*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--paper:#fafaf7;--white:#fff;--ink:#18181b;--ink2:#3f3f46;--ink3:#71717a;--ink4:#a1a1aa;--line:#e4e4e7;--line2:#f4f4f5;--hl:#fde047;--hl-dark:#ca8a04;--hl-bg:#fefce8;--hl-border:#fef08a;--green:#15803d;--green-bg:#f0fdf4;--green-border:#bbf7d0;--red:#dc2626;--red-bg:#fff1f1;--blue:#1d4ed8;--radius:10px;--radius-lg:16px;--shadow:0 1px 2px #0000000f, 0 1px 3px #0000001a;--shadow-md:0 4px 6px -1px #00000012, 0 2px 4px -2px #0000000d;--shadow-lg:0 10px 15px -3px #00000014, 0 4px 6px -4px #0000000d;--surface:#fff;--bg:#f7f8fa}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;font-family:DM Sans,sans-serif;font-size:16px;line-height:1.6}button,input{font:inherit}button{cursor:pointer}img,svg{display:block}.site-nav{z-index:100;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);background:#fafaf7e6;justify-content:space-between;align-items:center;height:62px;padding:0 5%;display:flex;position:sticky;top:0}@keyframes logo-stamp{0%{opacity:0;transform:scale(1.18)rotate(6deg)}55%{opacity:1;transform:scale(.93)rotate(-1deg)}to{opacity:1;transform:scale(1)rotate(0)}}@keyframes logo-text-in{0%{opacity:0;transform:translate(-7px)}to{opacity:1;transform:translate(0)}}.logo{cursor:pointer;align-items:center;gap:9px;text-decoration:none;display:inline-flex}.logo-mark{width:40px;height:40px;color:var(--ink);flex-shrink:0;transition:transform .2s,filter .2s;animation:.45s cubic-bezier(.34,1.56,.64,1) both logo-stamp;display:inline-flex}.logo:hover .logo-mark{filter:drop-shadow(0 6px 14px #18181b40);transform:translateY(-2px)scale(1.05)}.logo-words{flex-direction:column;gap:2px;animation:.3s .1s both logo-text-in;display:flex}.logo-words-top{letter-spacing:-.5px;color:var(--ink);font-family:DM Sans,sans-serif;font-size:17px;font-weight:800;line-height:1}.logo-words-sub{letter-spacing:2px;text-transform:uppercase;color:var(--ink3);font-family:DM Sans,sans-serif;font-size:9.5px;font-weight:500;line-height:1}.nav-mid{gap:32px;list-style:none;display:flex}.nav-mid a{color:var(--ink3);font-size:14px;font-weight:500;text-decoration:none;transition:color .15s}.nav-mid a:hover{color:var(--ink)}.nav-end{align-items:center;gap:8px;display:flex}.n-login,.n-cta{border-radius:8px;font-size:14px;font-weight:600;transition:all .15s}.n-login{border:1px solid var(--line);color:var(--ink2);background:0 0;padding:7px 15px}.n-login:hover{border-color:var(--ink2)}.n-cta{background:var(--ink);color:var(--hl);border:none;padding:8px 18px}.n-cta:hover{background:#27272a}.hero{text-align:center;flex-direction:column;align-items:center;padding:80px 5% 0;display:flex;position:relative;overflow:hidden}.hero-lines{pointer-events:none;opacity:.35;background-image:repeating-linear-gradient(#0000,#0000 27px,#e9e9e4 28px);position:absolute;inset:0}.hero-inner{z-index:1;flex-direction:column;align-items:center;width:100%;display:flex;position:relative}.hero-chip{background:var(--hl-bg);border:1px solid var(--hl-border);color:var(--hl-dark);border-radius:100px;align-items:center;gap:6px;margin-bottom:28px;padding:5px 14px;font-size:13px;font-weight:600;display:inline-flex;position:relative}.chip-dot{background:var(--hl-dark);border-radius:50%;width:7px;height:7px;animation:1.4s infinite blink}@keyframes blink{0%,to{opacity:1}50%{opacity:.3}}h1{letter-spacing:-.5px;color:var(--ink);max-width:780px;margin-bottom:20px;font-family:Fraunces,serif;font-size:clamp(40px,6.5vw,76px);font-weight:700;line-height:1.08;position:relative}.hl-word{background:linear-gradient(180deg, transparent 55%, var(--hl) 55%, var(--hl) 92%, transparent 92%);padding:0 2px;display:inline-block;position:relative}.italic-word{color:var(--ink2);font-style:italic;font-weight:300}.hero-sub{color:var(--ink3);max-width:500px;margin:0 auto 40px;font-size:18px;font-weight:300;line-height:1.65}.search-outer{background:var(--white);border:2px solid var(--line);width:100%;max-width:600px;box-shadow:var(--shadow-lg);border-radius:14px;align-items:center;padding:6px;transition:border-color .2s;display:flex}.search-outer:focus-within{border-color:var(--ink)}.s-icon{color:var(--ink4);flex-shrink:0;margin:0 10px 0 8px}.search-outer input{color:var(--ink);background:0 0;border:none;outline:none;flex:1;min-width:0;font-size:15px}.search-outer input::placeholder{color:var(--ink4)}.s-btn{background:var(--ink);color:var(--hl);white-space:nowrap;border:none;border-radius:9px;flex-shrink:0;padding:11px 22px;font-size:14px;font-weight:600;transition:background .15s}.s-btn:hover{background:#27272a}.tag-row{flex-wrap:wrap;justify-content:center;gap:8px;margin:14px 0 0;display:flex}.s-tag{background:var(--white);border:1.5px solid var(--line);color:var(--ink3);border-radius:100px;padding:5px 13px;font-size:13px;font-weight:500;transition:all .15s}.s-tag:hover{border-color:var(--ink);color:var(--ink);background:var(--line2)}.ticker-strip{background:var(--hl);margin-top:64px;padding:9px 0;overflow:hidden}.ticker-inner{white-space:nowrap;gap:48px;width:max-content;animation:30s linear infinite tick;display:flex}.t-item{color:var(--ink);align-items:center;gap:6px;font-size:13px;font-weight:600;display:flex}@keyframes tick{0%{transform:translate(0)}to{transform:translate(-50%)}}.stats-strip{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:0 5%;display:flex}.stat-cell{text-align:center;border-right:1px solid var(--line);flex:1;padding:28px 20px}.stat-cell:last-child{border-right:none}.stat-n{color:var(--ink);font-family:Fraunces,serif;font-size:34px;font-weight:700;line-height:1}.stat-n em{color:var(--hl-dark);font-style:normal}.stat-l{color:var(--ink3);margin-top:5px;font-size:13px;font-weight:500}.vp-section,.exams-section,.how-section{padding:88px 5%}.section-copy.center{text-align:center}.section-copy.center .section-sub{margin-left:auto;margin-right:auto}.section-eyebrow{letter-spacing:2.5px;text-transform:uppercase;color:var(--ink4);margin-bottom:12px;font-size:12px;font-weight:600}.section-h2{color:var(--ink);letter-spacing:-.3px;white-space:pre-line;margin-bottom:10px;font-family:Fraunces,serif;font-size:clamp(28px,3.8vw,44px);font-weight:700;line-height:1.15}.section-sub{color:var(--ink3);max-width:460px;font-size:16px;font-weight:300}.vp-grid{grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px;display:grid}.vp-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;transition:box-shadow .2s,transform .2s}.vp-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)!important}.vp-icon{margin-bottom:18px;font-size:28px}.vp-title{color:var(--ink);margin-bottom:8px;font-family:Fraunces,serif;font-size:20px;font-weight:700}.vp-desc{color:var(--ink3);font-size:14px;font-weight:300;line-height:1.7}.vp-tag{background:var(--hl-bg);color:var(--hl-dark);border-radius:100px;margin-top:16px;padding:3px 10px;font-size:12px;font-weight:600;display:inline-block}.demo-section,.access-section,.testi-section{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:88px 5%}.demo-inner{grid-template-columns:1fr 1fr;align-items:center;gap:64px;max-width:1100px;margin:0 auto;display:grid}.demo-right .section-h2{font-size:clamp(24px,3.2vw,38px)}.demo-copy{color:var(--ink3);margin:12px 0 24px;font-size:16px;font-weight:300;line-height:1.7}.q-card{background:var(--paper);border:1.5px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:28px}.q-top{justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;display:flex}.q-pill{background:var(--hl-bg);border:1px solid var(--hl-border);color:var(--hl-dark);border-radius:100px;padding:3px 10px;font-size:12px;font-weight:600}.q-meta{color:var(--ink4);font-size:12px;font-weight:500}.q-text{color:var(--ink);margin-bottom:20px;font-family:Fraunces,serif;font-size:16px;font-weight:600;line-height:1.55}.q-opts{flex-direction:column;gap:9px;display:flex}.q-opt{background:var(--white);border:1.5px solid var(--line);border-radius:var(--radius);color:var(--ink2);text-align:left;align-items:center;gap:10px;padding:11px 14px;font-size:14px;font-weight:500;transition:all .15s;display:flex}.q-opt:hover{border-color:var(--ink3);background:var(--line2)}.q-opt.right{border-color:var(--green-border);background:var(--green-bg);color:var(--green)}.q-opt.wrong{background:var(--red-bg);color:var(--red);border-color:#fecaca}.q-opt .key{background:var(--line2);width:26px;height:26px;color:var(--ink3);border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:700;transition:all .15s;display:inline-flex}.q-opt.right .key{color:var(--green);background:#dcfce7}.q-opt.wrong .key{color:var(--red);background:#fee2e2}.q-actions{gap:8px;margin-top:14px;display:flex}.qa-btn{border:none;border-radius:8px;flex:1;padding:10px;font-size:13px;font-weight:600;transition:all .15s}.qa-btn.primary{background:var(--ink);color:var(--hl)}.qa-btn.primary:hover{background:#27272a}.qa-btn.ghost{background:var(--line2);color:var(--ink2)}.qa-btn.ghost:hover{background:var(--line)}.q-exp{background:var(--green-bg);border:1.5px solid var(--green-border);border-radius:var(--radius);color:#166534;margin-top:14px;padding:14px;font-size:13px;font-weight:400;line-height:1.65}.q-exp strong{font-weight:600}.check-item{align-items:flex-start;gap:12px;margin-top:20px;display:flex}.ci-icon{background:var(--hl-bg);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;margin-top:1px;font-size:14px;display:flex}.ci-text{color:var(--ink);font-size:15px;font-weight:500}.ci-text small{color:var(--ink3);margin-top:1px;font-size:13px;font-weight:300;display:block}.exam-grid{grid-template-columns:repeat(auto-fill,minmax(175px,1fr));gap:12px;margin-top:44px;display:grid}.exam-card{background:var(--white);border:1.5px solid var(--line);border-radius:var(--radius-lg);text-align:left;padding:20px;transition:all .18s;position:relative;overflow:hidden}.exam-card:before{content:"";background:var(--hl);transform-origin:bottom;width:3px;transition:transform .2s;position:absolute;top:0;bottom:0;left:0;transform:scaleY(0)}.exam-card:hover{border-color:var(--ink2);box-shadow:var(--shadow-md);transform:translateY(-2px)}.exam-card:hover:before{transform:scaleY(1)}.ec-icon{margin-bottom:10px;font-size:24px}.ec-name{color:var(--ink);margin-bottom:3px;font-size:14px;font-weight:700}.ec-sub{color:var(--ink4);font-size:12px;font-weight:400}.ec-badge{background:var(--line2);color:var(--ink3);border-radius:100px;margin-top:10px;padding:2px 9px;font-size:11px;font-weight:600;display:inline-block}.access-grid{grid-template-columns:1fr 1fr;gap:24px;max-width:900px;margin-top:48px;display:grid}.access-card{border-radius:var(--radius-lg);border:1.5px solid var(--line);padding:36px}.access-card.free-card{background:var(--paper)}.access-card.paid-card{background:var(--ink);border-color:var(--ink);position:relative;overflow:hidden}.ac-label{letter-spacing:1.5px;text-transform:uppercase;margin-bottom:10px;font-size:12px;font-weight:600}.free-card .ac-label{color:var(--ink4)}.paid-card .ac-label{color:var(--hl)}.ac-title{margin-bottom:6px;font-family:Fraunces,serif;font-size:22px;font-weight:700}.free-card .ac-title{color:var(--ink)}.paid-card .ac-title{color:var(--white)}.ac-sub{margin-bottom:24px;font-size:14px;font-weight:300}.free-card .ac-sub{color:var(--ink3)}.paid-card .ac-sub{color:#a1a1aa}.ac-list{flex-direction:column;gap:11px;display:flex}.ac-item{align-items:center;gap:10px;font-size:14px;font-weight:500;display:flex}.free-card .ac-item{color:var(--ink2)}.paid-card .ac-item{color:#e4e4e7}.ac-item .ic{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;font-size:11px;font-weight:700;display:inline-flex}.ic.yes{background:var(--green-bg);color:var(--green)}.ic.star{color:var(--hl);background:#fde04726}.how-steps{grid-template-columns:repeat(4,1fr);gap:0;margin-top:52px;display:grid;position:relative}.how-steps:before{content:"";background:var(--line);height:1px;position:absolute;top:24px;left:10%;right:10%}.how-step{text-align:center;padding:0 20px;position:relative}.hs-num{background:var(--white);border:2px solid var(--line);width:48px;height:48px;color:var(--ink);z-index:1;border-radius:50%;justify-content:center;align-items:center;margin:0 auto 18px;font-family:Fraunces,serif;font-size:20px;font-weight:700;transition:all .2s;display:flex;position:relative}.how-step:hover .hs-num{background:var(--ink);color:var(--hl);border-color:var(--ink)}.hs-title{color:var(--ink);margin-bottom:7px;font-family:Fraunces,serif;font-size:15px;font-weight:700}.hs-desc{color:var(--ink3);font-size:13px;font-weight:300;line-height:1.6}.pricing-section{background:var(--white);border-top:1px solid var(--line);padding:88px 5%}.pricing-free-banner{border:1.5px solid var(--line);background:var(--paper);border-radius:20px;grid-template-columns:auto 1fr auto;align-items:start;gap:24px;margin-top:44px;padding:32px 36px;display:grid}.pfb-chip{letter-spacing:.12em;color:#16a34a;white-space:nowrap;background:#f0fdf4;border:1.5px solid #bbf7d0;border-radius:100px;align-self:center;padding:6px 18px;font-size:12px;font-weight:800}.pfb-body strong{color:var(--ink);margin-bottom:6px;font-size:18px;font-weight:700;display:block}.pfb-body p{color:var(--ink3);margin:0;font-size:14px;line-height:1.55}.pfb-list{border-left:1px solid var(--line);flex-direction:column;gap:6px;padding-left:24px;display:flex}.pfb-list span{color:var(--ink2);font-size:13px;font-weight:500}@media (width<=760px){.pricing-free-banner{grid-template-columns:1fr;gap:20px}.pfb-list{border-left:none;border-top:1px solid var(--line);padding-top:16px;padding-left:0}}.price-grid{grid-template-columns:repeat(3,1fr);align-items:start;gap:16px;margin-top:48px;display:grid}.price-card{border-radius:var(--radius-lg);border:1.5px solid var(--line);background:var(--paper);padding:32px;position:relative}.price-card.pop{background:var(--ink);border-color:var(--ink)}.pop-tag{background:var(--hl);color:var(--ink);white-space:nowrap;letter-spacing:.5px;border-radius:100px;padding:3px 14px;font-size:11px;font-weight:700;position:absolute;top:-13px;left:50%;transform:translate(-50%)}.p-name{letter-spacing:1.5px;text-transform:uppercase;color:var(--ink4);margin-bottom:10px;font-size:12px;font-weight:600}.price-card.pop .p-name{color:var(--hl);margin-top:8px}.p-amt{color:var(--ink);margin-bottom:2px;font-family:Fraunces,serif;font-size:40px;font-weight:700}.price-card.pop .p-amt{color:var(--white)}.p-amt sup{font-size:20px}.p-per{color:var(--ink4);margin-bottom:24px;font-size:13px;font-weight:400}.price-card.pop .p-per{color:#71717a}.p-feats{flex-direction:column;gap:9px;margin-bottom:28px;list-style:none;display:flex}.p-feat{color:var(--ink2);align-items:center;gap:8px;font-size:14px;font-weight:400;display:flex}.price-card.pop .p-feat{color:#e4e4e7}.p-feat:before{content:"✓";color:var(--green);flex-shrink:0;font-size:13px;font-weight:700}.p-feat.no:before{content:"✕";color:var(--ink4)}.p-feat.no{color:var(--ink4)}.p-btn{border-radius:var(--radius);border:none;width:100%;padding:12px;font-size:14px;font-weight:600;transition:all .15s}.p-btn.ghost-btn{background:var(--white);color:var(--ink);border:1.5px solid var(--line)}.p-btn.ghost-btn:hover{border-color:var(--ink2)}.p-btn.dark-btn{background:var(--hl);color:var(--ink);font-weight:700}.p-btn.dark-btn:hover{background:#fcd34d}.seo-section{padding:72px 5%}.seo-grid{grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:10px;margin-top:36px;display:grid}.seo-card{background:var(--white);border:1.5px solid var(--line);border-radius:var(--radius);justify-content:space-between;align-items:center;gap:12px;padding:13px 16px;text-decoration:none;transition:all .15s;display:flex}.seo-card:hover{border-color:var(--ink2);transform:translate(4px)}.seo-text{color:var(--blue);text-underline-offset:2px;font-size:14px;font-weight:500;text-decoration:underline}.seo-card:hover .seo-text{color:var(--ink)}.seo-count{color:var(--ink4);background:var(--line2);white-space:nowrap;border-radius:100px;padding:2px 9px;font-size:12px;font-weight:500}.testi-grid{grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px;display:grid}.testi-card{background:var(--paper);border:1.5px solid var(--line);border-radius:var(--radius-lg);padding:28px}.testi-stars{color:var(--hl-dark);letter-spacing:1px;margin-bottom:14px;font-size:14px}.testi-quote{color:var(--ink);margin-bottom:20px;font-family:Fraunces,serif;font-size:16px;font-style:italic;font-weight:300;line-height:1.6}.testi-hl{background:linear-gradient(180deg, transparent 50%, var(--hl) 50%);padding:0 1px;display:inline}.testi-author{align-items:center;gap:10px;display:flex}.testi-avatar{background:var(--ink);width:36px;height:36px;color:var(--hl);border-radius:50%;justify-content:center;align-items:center;font-family:Fraunces,serif;font-size:14px;font-weight:700;display:flex}.testi-name{color:var(--ink);font-size:14px;font-weight:600}.testi-exam{color:var(--ink4);font-size:12px}.cta-section{text-align:center;background:var(--ink);padding:100px 5%;position:relative;overflow:hidden}.cta-section:before{content:"";background:radial-gradient(#fde0471f 0%,#0000 70%);width:600px;height:300px;position:absolute;top:-80px;left:50%;transform:translate(-50%)}.cta-h2{color:var(--white);margin-bottom:16px;font-family:Fraunces,serif;font-size:clamp(30px,5vw,56px);font-weight:700;line-height:1.1;position:relative}.cta-h2 .hl-word-inv{background:linear-gradient(180deg, transparent 50%, var(--hl) 50%, var(--hl) 92%, transparent 92%);padding:0 2px}.cta-sub{color:#a1a1aa;margin-bottom:40px;font-size:17px;font-weight:300;position:relative}.cta-btns{flex-wrap:wrap;justify-content:center;gap:12px;display:flex;position:relative}.cta-primary,.cta-secondary{border-radius:var(--radius);padding:15px 32px;font-size:16px;transition:all .15s}.cta-primary{background:var(--hl);color:var(--ink);border:none;font-weight:700}.cta-primary:hover{background:#fcd34d;transform:translateY(-1px)}.cta-secondary{color:#a1a1aa;background:0 0;border:1.5px solid #3f3f46;font-weight:500}.cta-secondary:hover{color:var(--white);border-color:#71717a}footer{background:var(--paper);border-top:1px solid var(--line);padding:52px 5% 30px}.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px;display:grid}.footer-about p{color:var(--ink3);max-width:230px;margin-top:12px;font-size:14px;font-weight:300;line-height:1.75}.fc h4{color:var(--ink);margin-bottom:16px;font-family:Fraunces,serif;font-size:14px;font-weight:700}.fc ul{flex-direction:column;gap:9px;list-style:none;display:flex}.fc a{color:var(--ink3);font-size:14px;font-weight:400;text-decoration:none;transition:color .15s}.fc a:hover{color:var(--ink)}.footer-bot{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;gap:8px;padding-top:22px;display:flex}.footer-bot p{color:var(--ink4);font-size:13px}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (width<=960px){.nav-mid{display:none}.vp-grid,.demo-inner,.access-grid,.price-grid,.testi-grid{grid-template-columns:1fr}.how-steps{grid-template-columns:1fr 1fr;gap:32px}.how-steps:before{display:none}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.stats-strip{flex-wrap:wrap}.stat-cell{border-bottom:1px solid var(--line);min-width:140px}}@media (width<=640px){.site-nav{padding:0 4%}.logo-words-sub,.n-login{display:none}.hero{padding-top:64px}.search-outer{flex-wrap:wrap;align-items:stretch;gap:8px;padding:8px}.s-icon{margin-top:12px}.search-outer input{min-height:44px}.s-btn{width:100%}.q-top,.q-actions{flex-direction:column;align-items:stretch}.seo-card{flex-direction:column;align-items:flex-start}}@media (width<=520px){.footer-grid,.how-steps{grid-template-columns:1fr}.footer-bot{flex-direction:column}}.nav-user{align-items:center;gap:9px;display:flex}.nav-user img,.nav-user>span{border:1px solid var(--line);border-radius:50%;width:34px;height:34px}.nav-user img{object-fit:cover}.nav-user>span{background:var(--ink);color:var(--hl);justify-content:center;align-items:center;font-weight:700;display:inline-flex}.nav-user-copy{flex-direction:column;max-width:180px;line-height:1.1;display:flex}.nav-user-copy strong{color:var(--ink);text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:700;overflow:hidden}.nav-user-copy small{color:var(--ink4);text-overflow:ellipsis;white-space:nowrap;font-size:11px;overflow:hidden}.auth-backdrop{z-index:200;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#18181b6b;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.auth-modal{background:var(--paper);border:1.5px solid var(--line);text-align:center;border-radius:22px;width:min(100%,420px);padding:34px;position:relative;box-shadow:0 24px 70px #00000038}.auth-close{border:1px solid var(--line);background:var(--white);width:34px;height:34px;color:var(--ink3);border-radius:999px;justify-content:center;align-items:center;display:inline-flex;position:absolute;top:14px;right:14px}.auth-close:hover{color:var(--ink);border-color:var(--ink3)}.auth-mark{justify-content:center;align-items:center;margin-bottom:18px;font-weight:800;display:inline-flex}.auth-modal h2{margin-bottom:10px;font-family:Fraunces,serif;font-size:30px;line-height:1.1}.auth-modal p{color:var(--ink3);max-width:320px;margin:0 auto 24px;font-size:15px;font-weight:300;line-height:1.7}.auth-google-slot{justify-content:center;margin:8px 0 18px;display:flex}.auth-config-warning{background:var(--hl-bg);border:1px solid var(--hl-border);color:var(--hl-dark);border-radius:var(--radius);margin-bottom:18px;padding:12px;font-size:13px;line-height:1.6}.auth-config-warning code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px}.auth-note{border-top:1px solid var(--line);color:var(--ink4);padding-top:14px;font-size:12px;line-height:1.6}.public-page{background:linear-gradient(180deg, var(--paper), #fff 55%, var(--paper));padding:34px 5% 88px}.public-shell{width:min(1120px,100%);margin:0 auto}.public-shell.narrow{width:min(860px,100%)}.crumbs{color:var(--ink4);align-items:center;gap:8px;margin-bottom:18px;font-size:13px;font-weight:700;display:flex}.crumbs a{color:var(--blue);text-decoration:none}.public-hero.compact{border:1.5px solid var(--line);background:var(--white);box-shadow:var(--shadow-md);border-radius:22px;justify-content:space-between;gap:28px;margin-bottom:20px;padding:30px;display:flex}.public-kicker{background:var(--hl-bg);border:1px solid var(--hl-border);width:fit-content;color:var(--hl-dark);text-transform:uppercase;letter-spacing:.4px;border-radius:999px;margin-bottom:12px;padding:5px 11px;font-size:12px;font-weight:800;display:inline-flex}.public-hero h1{max-width:720px;margin-bottom:12px}.public-hero p{max-width:680px;color:var(--ink3);font-weight:300}.public-actions,.question-actions{flex-wrap:wrap;gap:10px;margin-top:22px;display:flex}.exam-score-card{gap:8px;min-width:230px;display:grid}.exam-score-card div{border:1px solid var(--line);background:var(--paper);border-radius:14px;padding:12px}.exam-score-card strong{font-family:Fraunces,serif;font-size:26px;line-height:1;display:block}.exam-score-card span{color:var(--ink4);font-size:12px;font-weight:700}.public-grid{gap:16px;margin-bottom:16px;display:grid}.public-grid.two-col{grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr)}.public-card,.question-page-card{border:1.5px solid var(--line);background:var(--white);box-shadow:var(--shadow);border-radius:20px;padding:22px}.public-card-head{justify-content:space-between;align-items:center;gap:16px;margin-bottom:14px;display:flex}.public-card h2,.question-page-card h1{font-family:Fraunces,serif;line-height:1.15}.public-card h2{font-size:24px}.link-list{gap:9px;display:grid}.link-list a{border:1px solid var(--line);color:var(--ink);background:var(--paper);border-radius:13px;justify-content:space-between;align-items:center;gap:12px;padding:13px;font-size:14px;font-weight:700;text-decoration:none;display:flex}.link-list span{align-items:center;gap:8px;display:inline-flex}.subject-cloud,.year-row,.catalog-grid{flex-wrap:wrap;gap:9px;display:flex}.subject-cloud span,.year-row button{border:1px solid var(--line);background:var(--paper);color:var(--ink2);border-radius:999px;padding:7px 11px;font-size:13px;font-weight:800}.year-row{margin-top:18px}.seo-copy-card p,.muted-copy{color:var(--ink3)}.locked-row{border:1px solid var(--hl-border);background:var(--hl-bg);color:var(--hl-dark);border-radius:999px;align-items:center;gap:8px;margin-top:16px;padding:7px 11px;font-size:12px;font-weight:800;display:inline-flex}.catalog-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));display:grid}.catalog-card{border:1.5px solid var(--line);background:var(--white);color:var(--ink);box-shadow:var(--shadow);border-radius:17px;gap:6px;padding:20px;text-decoration:none;display:grid}.catalog-card span{font-size:27px}.catalog-card small{color:var(--ink4)}.question-meta-row{flex-wrap:wrap;gap:8px;margin-bottom:18px;display:flex}.question-meta-row span{background:var(--line2);color:var(--ink3);border-radius:999px;padding:5px 10px;font-size:12px;font-weight:800}.question-page-card h1{margin-bottom:22px;font-size:clamp(27px,4vw,42px)}.answer-options{gap:10px;margin-bottom:18px;display:grid}.answer-options button{border:1.5px solid var(--line);background:var(--paper);color:var(--ink2);text-align:left;border-radius:14px;align-items:center;gap:12px;padding:13px;font-weight:700;display:flex}.answer-options button span{background:var(--white);width:28px;height:28px;color:var(--ink3);border-radius:8px;justify-content:center;align-items:center;display:inline-flex}.answer-options button.correct{border-color:var(--green-border);background:var(--green-bg);color:var(--green)}.answer-options button.incorrect{background:var(--red-bg);color:var(--red);border-color:#fecaca}.explanation-box{border:1.5px solid var(--green-border);background:var(--green-bg);color:#166534;border-radius:16px;padding:18px}.answer-line{align-items:center;gap:8px;margin-bottom:8px;font-weight:800;display:flex}.tag-row.left{justify-content:flex-start;margin-top:14px}.exam-card{text-decoration:none}@media (width<=1080px){.setup-simple-card,.main-cards,.dashboard-body-grid,.public-grid.two-col{grid-template-columns:1fr}.simple-topbar,.public-hero.compact{flex-direction:column;align-items:stretch}.dashboard-search{min-width:0}}@media (width<=620px){.public-page{padding-left:4%;padding-right:4%}.testbook-row{grid-template-columns:auto 1fr}.testbook-row button,.free-tag,.lock-tag{grid-column:1/-1;width:fit-content}.exam-score-card{min-width:0}.locked-row{border-radius:14px;align-items:flex-start}}.vault-app{background:radial-gradient(circle at 18% -5%, #fde04742, transparent 30%), linear-gradient(180deg, #fffdf1 0%, var(--paper) 42%, #fff 100%);min-height:100vh;color:var(--ink);grid-template-columns:280px minmax(0,1fr);display:grid}.vault-sidebar{color:#d4d4d8;background:#18181b;flex-direction:column;gap:18px;height:100vh;padding:20px 16px;display:flex;position:sticky;top:0;overflow-y:auto}.vault-logo{color:#fff;align-items:center;gap:9px;text-decoration:none;display:flex}.vault-logo span{width:40px;height:40px;color:var(--hl);flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.vault-logo strong{letter-spacing:-.2px;font-family:DM Sans,sans-serif;font-size:17px;font-weight:700}.admin-rail .logo{color:var(--ink);padding:4px 0;text-decoration:none}.vault-nav-group p{color:#71717a;letter-spacing:1.4px;text-transform:uppercase;margin:0 0 8px 10px;font-size:11px;font-weight:800}.vault-nav-item,.vault-logout{color:#d4d4d8;text-align:left;background:0 0;border:0;border-radius:13px;align-items:center;gap:11px;width:100%;padding:11px 12px;font-size:14px;font-weight:700;transition:all .16s;display:flex}.vault-nav-item:hover,.vault-nav-item.active{background:var(--hl);color:var(--ink)}.vault-nav-item em{color:var(--hl);background:#fde04724;border-radius:999px;margin-left:auto;padding:3px 7px;font-size:10px;font-style:normal;font-weight:900}.vault-nav-item:hover em,.vault-nav-item.active em{background:var(--ink);color:var(--hl)}.vault-logout{color:#a1a1aa;margin-top:auto}.vault-logout:hover{color:#fff;background:#ffffff14}.vault-workspace{background:#fff;min-width:0}.vault-topbar{z-index:25;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#fafaf7e6;grid-template-columns:minmax(280px,1fr) 220px auto auto;align-items:center;gap:12px;height:72px;padding:0 24px;display:grid;position:sticky;top:0}.vault-search,.vault-select,.vault-icon-button,.vault-profile{border:1.5px solid var(--line);height:44px;box-shadow:var(--shadow);background:#fff;border-radius:14px}.vault-search{color:var(--ink4);align-items:center;gap:10px;padding:0 14px;display:flex}.vault-search input{width:100%;color:var(--ink);background:0 0;border:0;outline:0}.vault-select{color:var(--ink3);align-items:center;gap:8px;padding:0 12px;display:flex}.vault-select select{min-width:0;color:var(--ink);appearance:none;background:0 0;border:0;outline:0;flex:1;font-weight:800}.vault-icon-button,.vault-profile{border:0;justify-content:center;align-items:center;display:inline-flex}.vault-icon-button{width:44px;color:var(--ink3)}.vault-profile{color:var(--ink);gap:9px;padding:0 13px;font-weight:800}.vault-profile img,.vault-profile>svg{background:var(--ink);width:28px;height:28px;color:var(--hl);border-radius:50%;padding:6px}.vault-profile img{object-fit:cover;padding:0}.vault-main{width:min(1180px,100% - 48px);margin:0 auto;padding:28px 0 80px}.vault-hero-panel{grid-template-columns:minmax(0,1fr) 190px;gap:18px;margin-bottom:18px;display:grid}.vault-hero-copy,.vault-streak-card,.vault-panel,.vault-metrics article{border:1.5px solid var(--line);box-shadow:var(--shadow-md);background:#ffffffe0;border-radius:24px}.vault-hero-copy{padding:34px;position:relative;overflow:hidden}.vault-hero-copy:after{content:"";background:#fde0476b;border-radius:50%;width:260px;height:260px;position:absolute;top:-100px;right:-90px}.vault-hero-copy>span,.vault-panel-head span{color:var(--hl-dark);letter-spacing:1px;text-transform:uppercase;align-items:center;gap:7px;font-size:12px;font-weight:900;display:inline-flex}.vault-hero-copy h1{max-width:720px;margin:12px 0;font-size:clamp(32px,4.6vw,58px)}.vault-hero-copy p{max-width:650px;color:var(--ink3);font-weight:300}.vault-hero-actions{flex-wrap:wrap;gap:10px;margin-top:24px;display:flex}.vault-hero-actions button,.vault-hero-actions a,.vault-mock-row button,.vault-insight-panel button,.vault-library-panel button,.vault-settings-panel button{background:var(--ink);color:var(--hl);border:0;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:12px 16px;font-size:14px;font-weight:900;text-decoration:none;display:inline-flex}.vault-hero-actions a{background:var(--hl-bg);color:var(--hl-dark);border:1px solid var(--hl-border)}.vault-streak-card{text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:24px;display:flex}.vault-streak-card span,.vault-streak-card small{color:var(--ink4);text-transform:uppercase;font-size:12px;font-weight:900}.vault-streak-card strong{font-family:Fraunces,serif;font-size:72px;line-height:.9}.vault-streak-dots{gap:5px;margin-top:18px;display:flex}.vault-streak-dots i{background:var(--line);border-radius:50%;width:9px;height:9px}.vault-streak-dots i:first-child{background:var(--hl-dark)}.vault-metrics{grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px;display:grid}.vault-metrics article{gap:4px;padding:18px;display:grid}.vault-metrics svg{color:var(--hl-dark)}.vault-metrics strong{font-family:Fraunces,serif;font-size:28px;line-height:1}.vault-metrics span{color:var(--ink4);font-size:12px;font-weight:800}.vault-grid{grid-template-columns:minmax(0,1.45fr) minmax(300px,.72fr);align-items:start;gap:18px;display:grid}.vault-left-column,.vault-right-column{gap:18px;display:grid}.vault-panel{padding:22px}.vault-panel-head{justify-content:space-between;gap:18px;margin-bottom:16px;display:flex}.vault-panel-head.compact{align-items:center}.vault-panel-head h2,.vault-insight-panel h2,.vault-library-panel h2,.vault-settings-panel h2{margin-top:4px;font-family:Fraunces,serif;font-size:25px;line-height:1.15}.vault-panel-head a{color:var(--blue);font-size:13px;font-weight:900;text-decoration:none}.vault-question-list,.vault-mock-list,.vault-plan-list{gap:10px;display:grid}.vault-question-list a,.vault-mock-row{border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:16px;align-items:center;gap:12px;display:grid}.vault-question-list a{grid-template-columns:1fr auto;padding:15px;text-decoration:none}.vault-question-list strong,.vault-mock-row strong{font-size:14px;display:block}.vault-question-list small,.vault-mock-row small,.vault-insight-panel p,.vault-library-panel p,.vault-settings-panel p{color:var(--ink3);font-size:13px}.vault-mock-row{grid-template-columns:auto 1fr auto auto;padding:13px}.vault-mock-icon{background:var(--hl-bg);width:42px;height:42px;color:var(--hl-dark);border-radius:13px;justify-content:center;align-items:center;display:inline-flex}.vault-mock-row em{background:var(--line2);color:var(--ink3);border-radius:999px;padding:4px 8px;font-size:11px;font-style:normal;font-weight:900}.vault-mock-row button,.vault-insight-panel button,.vault-library-panel button,.vault-settings-panel button{padding:10px 13px;font-size:12px}.vault-plan-list label{border:1px solid var(--line);background:var(--paper);color:var(--ink2);border-radius:14px;align-items:center;gap:10px;padding:12px;font-size:14px;font-weight:800;display:flex}.vault-plan-list input{accent-color:var(--hl-dark)}.vault-insight-panel,.vault-library-panel,.vault-settings-panel{gap:10px;display:grid}.vault-insight-panel>svg,.vault-library-panel>svg,.vault-settings-panel>svg,.vault-panel-head>svg{color:var(--hl-dark)}.vault-library-panel button,.vault-settings-panel button{background:var(--line2);color:var(--ink)}@media (width<=1120px){.vault-app{grid-template-columns:82px minmax(0,1fr)}.vault-logo strong,.vault-nav-group p,.vault-nav-item span,.vault-nav-item em,.vault-logout{display:none}.vault-logo,.vault-nav-item{justify-content:center}.vault-sidebar{padding-left:12px;padding-right:12px}}@media (width<=900px){.vault-app{grid-template-columns:1fr}.vault-sidebar{display:none}.vault-topbar{grid-template-columns:1fr auto;height:auto;padding:12px}.vault-select,.vault-icon-button{display:none}.vault-main{width:min(100% - 24px,1180px);padding-top:16px}.vault-hero-panel,.vault-grid,.vault-metrics{grid-template-columns:1fr}.vault-mock-row{grid-template-columns:auto 1fr}.vault-mock-row em,.vault-mock-row button{grid-column:1/-1;width:fit-content}}.vault-app-simple{background:linear-gradient(180deg, #fffef4 0%, var(--paper) 38%, #fff 100%);grid-template-columns:248px minmax(0,1fr)}.vault-sidebar-simple{gap:24px}.vault-topbar-simple{grid-template-columns:minmax(260px,1fr) auto auto}.vault-main-simple{width:min(1120px,100% - 48px);padding-top:26px}.mock-seo-toolbar{gap:10px;margin:0 0 16px;display:flex}.mock-seo-toolbar label,.mock-seo-toolbar button{border:1.5px solid var(--line);background:var(--white);height:44px;box-shadow:var(--shadow);border-radius:14px;align-items:center;gap:9px;padding:0 13px;display:inline-flex}.mock-seo-toolbar label{color:var(--ink4);flex:1}.mock-seo-toolbar input{background:0 0;border:0;outline:0;width:100%}.mock-seo-toolbar button{color:var(--ink);font-weight:800}.mock-seo-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;display:grid}.mock-seo-card{border:1.5px solid var(--line);background:var(--white);min-height:250px;box-shadow:var(--shadow);color:var(--ink);border-radius:20px;flex-direction:column;justify-content:space-between;gap:20px;padding:22px;text-decoration:none;transition:all .16s;display:flex}.mock-seo-card:hover{border-color:var(--ink);box-shadow:var(--shadow-md);transform:translateY(-2px)}.mock-seo-card span{background:var(--hl-bg);width:fit-content;color:var(--hl-dark);border-radius:999px;margin-bottom:10px;padding:4px 9px;font-size:12px;font-weight:900;display:inline-flex}.mock-seo-card h2{margin-bottom:8px;font-family:Fraunces,serif;font-size:24px;line-height:1.15}.mock-seo-card p,.mock-detail-copy{color:var(--ink3);font-weight:300}.mock-seo-meta,.mock-detail-stats{flex-wrap:wrap;gap:8px;display:flex}.mock-seo-meta small,.mock-detail-stats span{background:var(--line2);color:var(--ink3);border-radius:999px;align-items:center;gap:5px;padding:5px 9px;font-size:12px;font-weight:800;display:inline-flex}.mock-detail-card .mock-detail-stats{margin-top:18px}.link-button{text-decoration:none}.paper-seo-page{background:linear-gradient(180deg, var(--paper), #fff 52%, var(--paper));padding:34px 5% 88px}.paper-shell{width:min(1180px,100%);margin:0 auto}.paper-layout{grid-template-columns:minmax(0,1fr) 330px;align-items:start;gap:20px;display:grid}.paper-main{gap:16px;min-width:0;display:grid}.paper-header-card,.paper-section-card,.paper-attempt-card,.paper-side-card{border:1.5px solid var(--line);box-shadow:var(--shadow-md);background:#fffffff0;border-radius:22px}.paper-header-card{padding:30px}.paper-header-card h1{margin:12px 0;font-size:clamp(34px,5vw,62px)}.paper-header-card p{max-width:760px;color:var(--ink3);font-weight:300}.paper-meta-row{flex-wrap:wrap;gap:8px;margin-top:20px;display:flex}.paper-meta-row span{background:var(--line2);color:var(--ink3);border-radius:999px;align-items:center;gap:6px;padding:6px 10px;font-size:12px;font-weight:900;display:inline-flex}.paper-section-card{padding:24px}.paper-section-head{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:16px;display:flex}.paper-section-head span,.paper-attempt-card>span{color:var(--hl-dark);letter-spacing:1px;text-transform:uppercase;font-size:12px;font-weight:900;display:inline-flex}.paper-section-head h2,.paper-attempt-card h2,.paper-side-card h3{margin-top:5px;font-family:Fraunces,serif;line-height:1.14}.paper-section-head h2{font-size:28px}.paper-section-head button{background:var(--line2);color:var(--ink);border:0;border-radius:12px;align-items:center;gap:7px;padding:10px 12px;font-weight:900;display:inline-flex}.paper-question-list{gap:10px;display:grid}.paper-question-list a{border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:16px;grid-template-columns:auto 1fr auto;align-items:center;gap:13px;padding:14px;text-decoration:none;display:grid}.paper-question-list a:hover{border-color:var(--ink)}.paper-q-no{background:var(--hl-bg);width:42px;height:42px;color:var(--hl-dark);border-radius:13px;justify-content:center;align-items:center;font-weight:900;display:inline-flex}.paper-question-list strong,.paper-related-mocks span{color:var(--ink);font-size:14px;display:block}.paper-question-list small{color:var(--ink3);margin-top:3px;font-size:12px;display:block}.paper-question-list a>span:last-child{background:var(--green-bg);color:var(--green);border-radius:999px;padding:4px 9px;font-size:11px;font-weight:900}.paper-side{gap:14px;display:grid;position:sticky;top:86px}.paper-attempt-card,.paper-side-card{padding:22px}.paper-attempt-card{background:var(--ink);border-color:var(--ink);color:#fff}.paper-attempt-card h2{color:#fff;margin-bottom:8px;font-size:28px}.paper-attempt-card p{color:#a1a1aa;margin-bottom:18px;font-size:14px;line-height:1.65}.paper-attempt-card button{color:#fff;background:#ffffff14;border:1px solid #ffffff1f;border-radius:13px;justify-content:center;align-items:center;gap:8px;width:100%;margin-top:8px;padding:12px;font-weight:900;display:inline-flex}.paper-attempt-card button.primary{background:var(--hl);color:var(--ink);border-color:var(--hl)}.paper-login-note{color:var(--hl);background:#fde0471a;border-radius:14px;align-items:flex-start;gap:8px;margin-top:14px;padding:10px;font-size:12px;font-weight:800;line-height:1.45;display:flex}.paper-side-card h3{margin-bottom:12px;font-size:20px}.paper-side-card dl{gap:10px;display:grid}.paper-side-card dl div{border-bottom:1px solid var(--line);justify-content:space-between;gap:12px;padding-bottom:9px;display:flex}.paper-side-card dt{color:var(--ink4);text-transform:uppercase;font-size:12px;font-weight:900}.paper-side-card dd{color:var(--ink);text-align:right;font-size:13px;font-weight:800}.paper-related-mocks{gap:9px;display:grid}.paper-related-mocks a{background:var(--paper);color:var(--ink);border-radius:13px;grid-template-columns:auto 1fr;align-items:center;gap:8px;padding:10px;font-size:13px;font-weight:800;text-decoration:none;display:grid}.paper-related-mocks svg{color:var(--hl-dark)}.paper-share-button{border:1.5px solid var(--line);background:var(--white);color:var(--ink);box-shadow:var(--shadow);border-radius:14px;justify-content:center;align-items:center;gap:8px;padding:12px;font-weight:900;display:inline-flex}@media (width<=980px){.paper-layout{grid-template-columns:1fr}.paper-side{position:static}}@media (width<=620px){.paper-seo-page{padding-left:4%;padding-right:4%}.paper-header-card,.paper-section-card,.paper-attempt-card,.paper-side-card{border-radius:18px;padding:18px}.paper-section-head,.paper-question-list a{flex-direction:column;grid-template-columns:1fr;align-items:stretch}.paper-question-list a>span:last-child{width:fit-content}}.pyp-page,.paper-simple-page{background:#f7f8fa;padding:28px 5% 80px}.pyp-shell,.paper-simple-shell{width:min(1120px,100%);margin:0 auto}.pyp-hero{background:#fff;border:1px solid #e5e7eb;border-radius:14px;grid-template-columns:minmax(0,1fr) 280px;gap:18px;margin-bottom:18px;padding:26px;display:grid;box-shadow:0 2px 8px #0f172a0d}.pyp-hero>div>span{color:var(--hl-dark);text-transform:uppercase;letter-spacing:.6px;font-size:12px;font-weight:800}.pyp-hero h1{margin:8px 0 10px;font-family:Fraunces,serif;font-size:clamp(30px,4vw,46px);line-height:1.12}.pyp-hero p{color:#5f6673;max-width:740px;font-size:15px;line-height:1.7}.pyp-hero-stats{flex-wrap:wrap;gap:8px;margin-top:18px;display:flex}.pyp-hero-stats strong{background:var(--hl-bg);color:var(--hl-dark);border-radius:999px;padding:6px 10px;font-size:12px}.pyp-hero aside{color:#3f4652;background:#fafafa;border-radius:12px;align-content:center;gap:9px;padding:18px;display:grid}.pyp-hero aside svg{color:var(--hl-dark)}.pyp-hero aside p{font-size:13px;line-height:1.55}.pyp-layout{grid-template-columns:minmax(0,1fr) 286px;align-items:start;gap:18px;display:grid}.pyp-main{min-width:0}.pyp-toolbar{gap:10px;margin-bottom:12px;display:flex}.pyp-toolbar label,.pyp-toolbar button{background:#fff;border:1px solid #e5e7eb;border-radius:10px;align-items:center;gap:8px;height:42px;padding:0 12px;display:inline-flex}.pyp-toolbar label{color:#9ca3af;flex:1}.pyp-toolbar input{border:0;outline:0;width:100%;font-size:14px}.pyp-toolbar button{color:#374151;font-weight:700}.pyp-year-filter{gap:8px;margin-bottom:12px;display:flex;overflow-x:auto}.pyp-year-filter button{color:#4b5563;white-space:nowrap;background:#fff;border:1px solid #e5e7eb;border-radius:999px;padding:7px 13px;font-size:13px;font-weight:700}.pyp-year-filter button.active{border-color:var(--ink);background:var(--ink);color:var(--hl)}.pyp-list-card,.pyp-side-card,.paper-simple-header,.paper-simple-card,.paper-action-box,.paper-detail-box{background:#fff;border:1px solid #e5e7eb;border-radius:14px;box-shadow:0 2px 8px #0f172a0d}.pyp-list-card{padding:18px}.pyp-list-head,.paper-simple-head{justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;display:flex}.pyp-list-head h2,.paper-simple-head h2,.paper-action-box h2,.paper-detail-box h3{font-family:Fraunces,serif;line-height:1.15}.pyp-list-head h2,.paper-simple-head h2{font-size:24px}.pyp-list-head span,.paper-simple-head span{color:#6b7280;font-size:13px;font-weight:700}.pyp-paper-list{gap:10px;display:grid}.pyp-paper-row{background:#fff;border:1px solid #eceff3;border-radius:12px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;padding:14px;display:grid}.pyp-paper-icon{background:var(--hl-bg);width:42px;height:42px;color:var(--hl-dark);border-radius:10px;place-items:center;display:grid}.pyp-paper-copy a{color:var(--ink);font-size:15px;font-weight:800;text-decoration:none}.pyp-paper-copy p{color:#6b7280;margin:3px 0 8px;font-size:13px}.pyp-paper-copy div{flex-wrap:wrap;gap:6px;display:flex}.pyp-paper-copy span{color:#6b7280;background:#f3f4f6;border-radius:999px;padding:3px 8px;font-size:11px;font-weight:700}.pyp-paper-actions{align-items:center;gap:8px;display:flex}.pyp-paper-actions button,.pyp-paper-actions a,.paper-action-box button{color:#374151;background:#fff;border:1px solid #e5e7eb;border-radius:9px;justify-content:center;align-items:center;gap:6px;padding:9px 11px;font-size:13px;font-weight:800;text-decoration:none;display:inline-flex}.pyp-paper-actions button.primary,.paper-action-box button.primary{border-color:var(--ink);background:var(--ink);color:var(--hl)}.pyp-side{gap:12px;display:grid;position:sticky;top:86px}.pyp-side-card{padding:18px}.pyp-side-card.highlight{background:var(--ink);border-color:var(--ink);color:#fff}.pyp-side-card.highlight svg{color:var(--hl)}.pyp-side-card h3{margin:8px 0;font-family:Fraunces,serif;font-size:22px}.pyp-side-card p{color:#9ca3af;font-size:13px;line-height:1.6}.pyp-side-card button{background:var(--hl);width:100%;color:var(--ink);border:0;border-radius:10px;margin-top:14px;padding:11px;font-weight:900}.sober-hero h1{font-size:clamp(30px,4vw,48px)}.paper-simple-layout{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:18px;display:grid}.paper-simple-main{gap:14px;min-width:0;display:grid}.paper-simple-header,.paper-simple-card,.paper-action-box,.paper-detail-box{padding:20px}.paper-simple-header>span{color:var(--hl-dark);text-transform:uppercase;font-size:12px;font-weight:900}.paper-simple-header h1{margin:8px 0;font-size:clamp(28px,4vw,44px)}.paper-simple-header p{color:#5f6673;line-height:1.7}.paper-simple-meta{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.paper-simple-meta small{color:#6b7280;background:#f3f4f6;border-radius:999px;padding:5px 9px;font-weight:800}.paper-simple-list{gap:9px;display:grid}.paper-simple-list a{color:var(--ink);background:#fff;border:1px solid #eceff3;border-radius:12px;grid-template-columns:auto 1fr;align-items:start;gap:12px;padding:14px;text-decoration:none;display:grid}.paper-simple-list a>span{background:var(--hl-bg);color:var(--hl-dark);border-radius:9px;padding:6px 8px;font-size:12px;font-weight:900}.paper-simple-list strong{font-size:14px;display:block}.paper-simple-list small{color:#6b7280;font-size:12px}.paper-simple-side{gap:12px;display:grid;position:sticky;top:86px}.paper-action-box h2{font-size:24px}.paper-action-box p,.paper-detail-box p{color:#6b7280;font-size:13px;line-height:1.6}.paper-action-box button{width:100%;margin-top:10px}.paper-action-box div{background:var(--hl-bg);color:var(--hl-dark);border-radius:10px;align-items:flex-start;gap:7px;margin-top:12px;padding:9px;font-size:12px;font-weight:800;display:flex}.paper-detail-box h3{margin-bottom:10px;font-size:20px}.paper-detail-box p{border-bottom:1px solid #eef0f3;gap:7px;padding:8px 0;display:flex}@media (width<=980px){.pyp-hero,.pyp-layout,.paper-simple-layout{grid-template-columns:1fr}.pyp-side,.paper-simple-side{position:static}}@media (width<=700px){.pyp-page,.paper-simple-page{padding-left:4%;padding-right:4%}.pyp-paper-row,.pyp-paper-actions{flex-direction:column;grid-template-columns:1fr;align-items:stretch}.pyp-paper-actions button,.pyp-paper-actions a{width:100%}}.pyq-reader-page,.pyq-paper-page,.pyp-sober-page{background:#f7f8fa;padding:28px 5% 80px;font-family:DM Sans,sans-serif}.pyq-reader-shell,.pyq-paper-shell,.pyp-sober-shell{width:min(1120px,100%);margin:0 auto}.pyq-reader-layout,.pyq-paper-layout,.pyp-sober-layout{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:18px;display:grid}.pyq-reader-main,.pyq-paper-main,.pyp-sober-main{gap:14px;min-width:0;display:grid}.pyq-reader-header,.pyq-reader-card,.pyq-action-card,.pyq-paper-header,.pyq-paper-card,.pyq-paper-action-card,.pyq-paper-detail-card,.pyp-sober-hero,.pyp-sober-card,.pyp-sober-side-card{background:#fff;border:1px solid #e5e7eb;border-radius:14px;box-shadow:0 2px 8px #0f172a0d}.pyq-reader-header,.pyq-reader-card,.pyq-action-card,.pyq-paper-header,.pyq-paper-card,.pyq-paper-action-card,.pyq-paper-detail-card{padding:20px}.pyq-reader-meta,.pyq-paper-meta,.pyp-sober-years,.pyq-tag-list,.pyp-sober-tags{flex-wrap:wrap;gap:8px;display:flex}.pyq-reader-meta span,.pyq-paper-meta small,.pyp-sober-years button,.pyq-tag-list span,.pyp-sober-tags span,.pyp-sober-card-top span,.pyp-sober-card-top small{color:#6b7280;background:#f3f4f6;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:700}.pyq-reader-header h1,.pyq-paper-header h1,.pyp-sober-hero h1{letter-spacing:-.02em;margin:10px 0;font-family:DM Sans,sans-serif;font-size:clamp(26px,3.2vw,36px);font-weight:700;line-height:1.28}.pyq-reader-header p,.pyq-paper-header p,.pyp-sober-hero p,.pyq-action-card p,.pyq-paper-action-card p,.pyq-paper-detail-card p,.pyp-sober-card p,.pyp-sober-side-card p{color:#5f6673;font-size:14px;line-height:1.7}.pyq-reader-card h2,.pyq-paper-card-head h2,.pyq-action-card h2,.pyq-paper-action-card h2,.pyq-paper-detail-card h3,.pyp-sober-card a,.pyp-sober-side-card h3{font-family:DM Sans,sans-serif;font-size:20px;font-weight:700;line-height:1.35}.pyq-option-list,.pyq-paper-question-list,.pyp-sober-card-grid{gap:10px;display:grid}.pyq-option-list button,.pyq-paper-question-list a,.pyp-sober-card{background:#fff;border:1px solid #eceff3;border-radius:12px}.pyq-option-list button{text-align:left;grid-template-columns:auto 1fr;align-items:center;gap:12px;padding:14px;display:grid}.pyq-option-list button span{color:#4b5563;background:#f3f4f6;border-radius:9px;justify-content:center;align-items:center;width:32px;height:32px;font-size:12px;font-weight:800;display:inline-flex}.pyq-option-list button strong,.pyq-paper-question-list strong,.pyp-sober-card a{color:#111827;font-size:14px;font-weight:700}.pyq-option-list button.correct{background:#f0fdf4;border-color:#bbf7d0}.pyq-option-list button.incorrect{background:#fff1f1;border-color:#fecaca}.explanation-card{background:#fafaf7}.answer-line{color:#166534;align-items:center;gap:8px;margin-bottom:10px;font-size:14px;font-weight:700;display:flex}.explanation-card p{color:#374151;font-size:14px}.pyq-reader-side,.pyq-paper-side,.pyp-sober-side{gap:12px;display:grid;position:sticky;top:86px}.pyq-action-card,.pyq-paper-action-card,.pyp-sober-side-card.highlight{background:#fff}.pyq-action-card button,.pyq-paper-action-card button,.pyp-sober-actions button,.pyp-sober-side-card button{color:#374151;background:#fff;border:1px solid #e5e7eb;border-radius:10px;justify-content:center;align-items:center;gap:7px;width:100%;margin-top:10px;padding:10px 12px;font-size:13px;font-weight:700;display:inline-flex}.pyq-action-card button.primary,.pyq-paper-action-card button.primary,.pyp-sober-actions button,.pyp-sober-side-card button{background:var(--ink);border-color:var(--ink);color:var(--hl)}.pyq-login-note,.pyq-paper-login-note{background:var(--hl-bg);color:var(--hl-dark);border-radius:10px;align-items:flex-start;gap:7px;margin-top:12px;padding:9px;font-size:12px;font-weight:700;display:flex}.pyq-paper-question-list a{grid-template-columns:auto 1fr;align-items:start;gap:12px;padding:14px;text-decoration:none;display:grid}.pyq-paper-question-list a>span{color:#4b5563;background:#f3f4f6;border-radius:9px;padding:6px 8px;font-size:12px;font-weight:800}.pyq-paper-question-list small{color:#6b7280;font-size:12px}.pyp-sober-hero{justify-content:space-between;align-items:center;gap:18px;margin-bottom:16px;padding:22px;display:flex}.pyp-sober-hero>div>span{color:var(--hl-dark);text-transform:uppercase;font-size:12px;font-weight:800}.pyp-sober-hero aside{background:#fafaf7;border-radius:12px;gap:6px;min-width:220px;padding:16px;display:grid}.pyp-sober-hero aside svg{color:var(--hl-dark)}.pyp-sober-hero aside strong{font-size:14px}.pyp-sober-hero aside small{color:#6b7280;font-size:12px}.pyp-sober-toolbar{gap:10px;display:flex}.pyp-sober-toolbar label,.pyp-sober-toolbar button{background:#fff;border:1px solid #e5e7eb;border-radius:10px;align-items:center;gap:8px;height:42px;padding:0 12px;display:inline-flex}.pyp-sober-toolbar label{color:#9ca3af;flex:1}.pyp-sober-toolbar input{border:0;outline:0;width:100%;font-size:14px}.pyp-sober-toolbar button{color:#374151;font-weight:700}.pyp-sober-years button.active{background:var(--ink);color:var(--hl)}.pyp-sober-card-grid{grid-template-columns:repeat(auto-fill,minmax(255px,1fr))}.pyp-sober-card{gap:12px;padding:16px;display:grid}.pyp-sober-card-top{justify-content:space-between;align-items:center;gap:10px;display:flex}.pyp-sober-card a{text-decoration:none}.pyp-sober-card p{margin-top:-4px}.pyp-sober-actions{flex-wrap:wrap;gap:8px;margin-top:auto;display:flex}.pyp-sober-actions a,.pyp-sober-actions button{color:#374151;background:#fff;border:1px solid #e5e7eb;border-radius:10px;flex:120px;justify-content:center;align-items:center;gap:7px;height:40px;font-size:13px;font-weight:700;text-decoration:none;display:inline-flex}.pyp-sober-actions a{color:#111827}.pyp-sober-side-card{padding:18px}.pyp-sober-side-card.highlight{border-color:#e5e7eb}@media (width<=980px){.pyq-reader-layout,.pyq-paper-layout,.pyp-sober-layout,.pyp-sober-hero{flex-direction:column;grid-template-columns:1fr;align-items:stretch}.pyq-reader-side,.pyq-paper-side,.pyp-sober-side{position:static}}@media (width<=700px){.pyq-reader-page,.pyq-paper-page,.pyp-sober-page{padding-left:4%;padding-right:4%}.pyq-reader-header,.pyq-reader-card,.pyq-action-card,.pyq-paper-header,.pyq-paper-card,.pyq-paper-action-card,.pyq-paper-detail-card,.pyp-sober-hero,.pyp-sober-card,.pyp-sober-side-card{border-radius:12px;padding:16px}.pyp-sober-toolbar,.pyp-sober-actions{flex-direction:column}.pyp-sober-actions a,.pyp-sober-actions button{width:100%}}.subpage-layout .ec-page{padding:28px 5% 60px}.pyq-page{gap:16px;width:min(1100px,100%);margin:0 auto;display:grid}.pyq-paper-header{border:1.5px solid var(--line);background:#fff;border-radius:16px;justify-content:space-between;align-items:flex-start;gap:24px;padding:24px;display:flex;box-shadow:0 2px 8px #0000000a}.pyq-paper-header-body{flex:1;min-width:0}.pyq-paper-header-body h1{letter-spacing:-.02em;color:var(--ink);margin:6px 0 4px;font-size:clamp(17px,2.2vw,22px);font-weight:700;line-height:1.3}.pyq-paper-shift{color:var(--ink3);margin:0 0 8px;font-size:13px}.pyq-paper-meta-row{flex-wrap:wrap;gap:6px;margin-top:10px;display:flex}.pyq-paper-meta-row span{background:var(--line2);color:var(--ink3);border-radius:6px;padding:4px 10px;font-size:12px;font-weight:600;display:inline-flex}.pyq-paper-actions{flex-direction:column;flex-shrink:0;gap:8px;display:flex}.pyq-action-btn{border:1.5px solid var(--line);height:38px;color:var(--ink);cursor:pointer;white-space:nowrap;background:#fff;border-radius:10px;justify-content:center;align-items:center;gap:7px;padding:0 16px;font-size:13px;font-weight:700;text-decoration:none;transition:background .13s,border-color .13s;display:inline-flex}.pyq-action-btn:hover{border-color:var(--ink3);background:#f7f7f7}.pyq-action-btn.primary{background:var(--ink);border-color:var(--ink);color:#fff}.pyq-action-btn.primary:hover{background:#1a1a1a;border-color:#1a1a1a}.pyq-question-list{gap:12px;display:grid}.pyq-question-card{border:1.5px solid var(--line);background:#fff;border-radius:14px;gap:14px;padding:20px;display:grid}.pyq-q-header{justify-content:space-between;align-items:center;gap:10px;display:flex}.pyq-q-num{background:var(--ink);color:#fff;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;min-width:34px;height:28px;padding:0 8px;font-size:11.5px;font-weight:800;display:inline-flex}.pyq-q-subject{background:var(--hl-bg);color:var(--hl-dark);border-radius:6px;align-items:center;padding:4px 10px;font-size:11.5px;font-weight:700;text-decoration:none;transition:background .13s;display:inline-flex}.pyq-q-subject:hover{background:#fef3c7}.pyq-q-images{flex-wrap:wrap;justify-content:center;gap:10px;margin:8px 0 12px;display:flex}.pyq-q-img{border:1px solid var(--border);background:#fff;border-radius:6px;width:auto;max-width:100%;height:auto;max-height:300px;display:block}.pyq-q-text{color:var(--ink);margin:0;font-size:14.5px;line-height:1.65}.pyq-options{gap:8px;display:grid}.pyq-option{border:1.5px solid var(--line);text-align:left;cursor:pointer;color:var(--ink);background:#fff;border-radius:10px;grid-template-columns:34px 1fr;align-items:center;gap:12px;width:100%;padding:12px;font-size:13.5px;transition:border-color .12s,background .12s;display:grid}.pyq-option:hover:not(:disabled){border-color:var(--ink3);background:#fafafa}.pyq-option:disabled{cursor:default}.pyq-option.chosen{background:#eff6ff;border-color:#3b82f6}.pyq-option.correct{background:#f0fdf4;border-color:#16a34a}.pyq-option.wrong{background:#fff1f2;border-color:#dc2626}.pyq-opt-key{background:var(--line2);width:32px;height:32px;color:var(--ink3);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:800;transition:background .12s,color .12s;display:inline-flex}.pyq-option.chosen .pyq-opt-key{color:#fff;background:#3b82f6}.pyq-option.correct .pyq-opt-key{color:#fff;background:#16a34a}.pyq-option.wrong .pyq-opt-key{color:#fff;background:#dc2626}.pyq-q-tags{flex-wrap:wrap;gap:5px;display:flex}.pyq-q-tag{background:var(--line2);color:var(--ink3);border-radius:5px;padding:3px 8px;font-size:11px;font-weight:600}.pyq-q-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.pyq-reveal-btn{border:1.5px solid var(--ink);background:var(--ink);color:#fff;cursor:pointer;border-radius:9px;height:34px;padding:0 16px;font-size:12.5px;font-weight:700;transition:opacity .13s}.pyq-reveal-btn:disabled{opacity:.4;cursor:default}.pyq-result{border-radius:8px;align-items:center;gap:5px;height:32px;padding:0 12px;font-size:12.5px;font-weight:700;display:inline-flex}.pyq-result.correct{color:#15803d;background:#f0fdf4;border:1px solid #bbf7d0}.pyq-result.wrong{color:#dc2626;background:#fff1f2;border:1px solid #fecaca}.pyq-expl-btn{border:1.5px solid var(--line);height:32px;color:var(--ink);cursor:pointer;background:#fff;border-radius:8px;padding:0 12px;font-size:12.5px;font-weight:600;transition:background .13s,border-color .13s}.pyq-expl-btn:hover,.pyq-expl-btn.open{border-color:var(--ink3);background:#f5f5f5}.pyq-explanation{background:#fafaf7;border:1px solid #e8e5dc;border-radius:10px;padding:14px 16px}.pyq-explanation strong{text-transform:uppercase;letter-spacing:.05em;color:var(--ink3);margin-bottom:6px;font-size:11px;font-weight:800;display:block}.pyq-explanation p{color:var(--ink);margin:0;font-size:13.5px;line-height:1.65}.pyq-question-card.deleted{opacity:.85;background:#fafafa}.pyq-deleted-badge{letter-spacing:.04em;color:#dc2626;white-space:nowrap;background:#fef2f2;border:1px solid #fecaca;border-radius:99px;margin-left:auto;padding:2px 8px;font-size:11px;font-weight:700}.pyq-deleted-notice{background:#fef2f2;border:1px solid #fecaca;border-radius:10px;margin-top:10px;padding:12px 16px}.pyq-deleted-notice strong{color:#dc2626;text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px;font-size:12px;font-weight:700;display:block}.pyq-deleted-notice p{color:#7f1d1d;margin:0;font-size:13px;line-height:1.6}.pyq-reader-deleted{background:#fff5f5!important;border:1px solid #fecaca!important}.pyq-deleted-badge-lg{letter-spacing:.05em;color:#dc2626;background:#fef2f2;border:1px solid #fecaca;border-radius:99px;margin-bottom:10px;padding:4px 12px;font-size:12px;font-weight:700;display:inline-block}.pyq-deleted-reason{color:#7f1d1d;margin:0 0 16px;font-size:14px;line-height:1.65}@media (width<=640px){.pyq-paper-header{flex-direction:column;gap:16px}.pyq-paper-actions{flex-direction:row;width:100%}.pyq-action-btn{flex:1}.pyq-question-card{padding:16px}}.dashboard-topbar{grid-template-columns:minmax(300px,1fr) auto}.dashboard-profile{gap:10px;padding:0 12px;font-size:13px;font-weight:700}.dashboard-avatar{background:var(--ink);width:28px;height:28px;color:var(--hl);border-radius:999px;justify-content:center;align-items:center;font-size:12px;font-weight:800;display:inline-flex}.dashboard-main{width:auto;margin:0;padding:20px 24px 40px}.dashboard-strip,.dashboard-panel{border:1px solid var(--line);box-shadow:var(--shadow);background:#fffffff0;border-radius:16px}.dashboard-strip{grid-template-columns:repeat(3,minmax(0,160px)) minmax(0,1fr);align-items:center;gap:14px;margin-bottom:16px;padding:16px 18px;display:grid}.dashboard-strip small,.dashboard-panel-head small{color:var(--ink4);text-transform:uppercase;letter-spacing:.08em;font-size:11px;font-weight:700;display:block}.dashboard-strip strong{color:var(--ink);margin-top:3px;font-size:15px;font-weight:700;display:block}.dashboard-strip-actions{justify-content:flex-end;gap:8px;display:flex}.dashboard-strip-actions button{border:1px solid var(--line);height:36px;color:var(--ink);background:#fff;border-radius:10px;padding:0 12px;font-size:12px;font-weight:700}.dashboard-strip-actions button:hover,.dashboard-card-actions a:hover,.dashboard-feature-button:hover{border-color:var(--ink)}.dashboard-panel{padding:18px}.dashboard-panel+.dashboard-panel{margin-top:16px}.dashboard-panel-head{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:14px;display:flex}.dashboard-panel-head h2{color:var(--ink);margin-top:4px;font-family:DM Sans,sans-serif;font-size:18px;font-weight:700;line-height:1.25}.dashboard-panel-head a{color:var(--blue);font-size:12px;font-weight:700;text-decoration:none}.dashboard-exam-grid,.dashboard-card-grid{grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px;display:grid}.dashboard-exam-card,.dashboard-feature-card,.dashboard-list-row{border:1px solid var(--line);background:var(--paper);border-radius:12px}.dashboard-exam-card.active{border-color:var(--ink);background:var(--hl-bg)}.dashboard-exam-card button{text-align:left;background:0 0;border:0;justify-items:start;gap:4px;width:100%;padding:14px;display:grid}.dashboard-exam-icon{font-size:22px}.dashboard-exam-card strong,.dashboard-feature-card strong,.dashboard-list-row strong{color:var(--ink);font-size:14px;font-weight:700}.dashboard-exam-card small,.dashboard-feature-card small,.dashboard-list-row small{color:var(--ink3);font-size:12px}.dashboard-exam-card p{color:var(--ink4);font-size:12px}.dashboard-card-actions{gap:8px;padding:0 14px 14px;display:flex}.dashboard-card-actions a{border:1px solid var(--line);height:34px;color:var(--ink);background:#fff;border-radius:10px;flex:1;justify-content:center;align-items:center;font-size:12px;font-weight:700;text-decoration:none;display:inline-flex}.dashboard-content-grid{grid-template-columns:minmax(0,1.2fr) minmax(0,.9fr);gap:16px;display:grid}.dashboard-list{gap:10px;display:grid}.dashboard-list-row{color:var(--ink);justify-content:space-between;align-items:center;gap:12px;padding:14px;text-decoration:none;display:flex}.dashboard-list-row span,.dashboard-feature-card span{color:var(--ink4);white-space:nowrap;font-size:11px;font-weight:700}.dashboard-feature-card{color:var(--ink);gap:6px;padding:14px;text-decoration:none;display:grid}.dashboard-feature-button{text-align:left;background:var(--paper)}@media (width<=1100px){.dashboard-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.dashboard-strip-actions{flex-wrap:wrap;grid-column:1/-1;justify-content:flex-start}.dashboard-content-grid{grid-template-columns:1fr}}@media (width<=900px){.dashboard-topbar{grid-template-columns:1fr}.dashboard-main{padding:16px 12px 28px}}@media (width<=640px){.dashboard-strip{grid-template-columns:1fr}.dashboard-strip-actions{flex-direction:column}.dashboard-strip-actions button{width:100%}}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.vault-app,.vault-app *,.subpage-layout,.subpage-layout *{font-family:DM Sans,sans-serif!important}.subpage-layout main{min-height:calc(100vh - 64px)}.halo-loader-shell{place-items:center;display:grid}.halo-loader-shell.full{min-height:220px}.halo-loader{place-items:center;width:54px;height:54px;display:inline-grid;position:relative}.halo-loader-core,.halo-loader-ring{border-radius:999px;position:absolute;inset:0}.halo-loader-core{background:#111827;animation:1.2s ease-in-out infinite halo-pulse;inset:16px}.halo-loader-ring{border:2px solid #1118271f;border-top-color:#111827;animation:1s linear infinite halo-spin;box-shadow:0 0 22px #1118272e}@keyframes halo-spin{to{transform:rotate(360deg)}}@keyframes halo-pulse{0%,to{opacity:.75;transform:scale(.86)}50%{opacity:1;transform:scale(1)}}.utility-page-hero{gap:10px;margin-bottom:22px;padding:22px 0 8px;display:grid}.utility-page-hero small{color:#6b7280;letter-spacing:.08em;text-transform:uppercase;font-size:11px;font-weight:700}.utility-page-hero h1{color:#111827;letter-spacing:-.02em;max-width:780px;margin:0;font-size:clamp(24px,2.2vw,30px);font-weight:700;line-height:1.2}.utility-page-hero p{color:#6b7280;max-width:760px;font-size:14px;line-height:1.7}.dashboard-topbar{grid-template-columns:minmax(340px,1fr) auto;align-items:center}.vault-search-wrap,.vault-profile-wrap{position:relative}.vault-search-wrap{max-width:520px}.vault-search{width:100%}.vault-search-results{z-index:40;background:#fff;border:1px solid #e5e7eb;border-radius:14px;gap:6px;width:100%;padding:8px;display:grid;position:absolute;top:calc(100% + 10px);left:0;box-shadow:0 18px 40px #0f172a1f}.vault-search-result{text-align:left;background:#fff;border:0;border-radius:10px;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;width:100%;padding:10px 12px;display:grid}.vault-search-result:hover{background:#f8fafc}.vault-search-result>span:first-child{background:#f3f4f6;border-radius:10px;place-items:center;width:32px;height:32px;font-size:16px;display:inline-grid}.vault-search-result strong,.vault-search-empty strong{color:#111827;font-size:13px;font-weight:700}.vault-search-result small,.vault-search-empty small{color:#6b7280;font-size:12px}.vault-search-empty{gap:4px;padding:10px 12px;display:grid}.dashboard-profile{background:0 0;border:0;padding:0}.dashboard-profile-trigger{place-items:center;width:40px;height:40px;display:inline-grid}.dashboard-avatar{width:34px;height:34px;font-size:13px}.vault-profile-menu{z-index:40;background:#fff;border:1px solid #e5e7eb;border-radius:14px;gap:6px;min-width:180px;padding:12px;display:grid;position:absolute;top:calc(100% + 10px);right:0;box-shadow:0 18px 40px #0f172a1f}.vault-profile-menu strong{color:#111827;font-size:13px;font-weight:700}.vault-profile-menu small{color:#6b7280;font-size:12px}.vault-profile-menu button{color:#111827;background:#fff;border:1px solid #e5e7eb;border-radius:10px;justify-content:center;align-items:center;gap:7px;margin-top:4px;padding:10px 12px;font-size:13px;font-weight:700;display:inline-flex}.dashboard-main{padding:20px 24px 40px}.dashboard-flow{gap:16px;display:grid}.dashboard-error-shell{place-items:center;min-height:300px;display:grid}.dashboard-error-card{text-align:center;border:1px solid var(--line);background:#fff;border-radius:16px;gap:8px;max-width:360px;padding:32px 40px;display:grid}.dashboard-error-card strong{color:var(--ink);font-size:15px}.dashboard-error-card p{color:var(--ink3);font-size:13px}.dashboard-error-card button{border:1px solid var(--line);height:36px;color:var(--ink);background:#fff;border-radius:8px;margin-top:4px;font-size:13px;font-weight:700;transition:border-color .15s}.dashboard-error-card button:hover{border-color:var(--ink)}.dashboard-category-panel{padding:18px}.dashboard-panel-head small{color:#6b7280}.dashboard-panel-head h2{font-size:18px}.dashboard-exam-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.dashboard-exam-card{background:#fff;display:grid;overflow:hidden}.dashboard-exam-body{gap:6px;padding:16px;display:grid}.dashboard-exam-body strong{font-size:15px}.dashboard-exam-body small{line-height:1.5}.dashboard-exam-body p{color:#6b7280;font-size:12px}.dashboard-card-actions a{gap:6px}.dashboard-summary-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.mock-library-search{margin-bottom:22px}.mock-library-search label{color:#9ca3af;background:#fff;border:1px solid #e5e7eb;border-radius:12px;align-items:center;gap:8px;max-width:520px;height:44px;padding:0 14px;display:inline-flex}.mock-library-search input{background:0 0;border:0;outline:0;width:100%;font-size:14px}.mock-library-section+.mock-library-section{margin-top:28px}.mock-library-head{justify-content:space-between;align-items:center;gap:16px;margin-bottom:14px;display:flex}.mock-library-head small{color:#6b7280;letter-spacing:.08em;text-transform:uppercase;font-size:11px;font-weight:700;display:block}.mock-library-head h2{color:#111827;margin-top:4px;font-size:18px;font-weight:700}.mock-library-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;display:grid}.mock-library-card,.mock-series-card{background:#fff;border:1px solid #e5e7eb;border-radius:16px;box-shadow:0 6px 20px #0f172a0d}.mock-library-card{gap:10px;padding:16px;text-decoration:none;transition:transform .15s,box-shadow .15s,border-color .15s;display:grid}.mock-library-card:hover,.mock-series-card:hover{border-color:#cbd5e1;transform:translateY(-2px);box-shadow:0 12px 24px #0f172a14}.mock-library-card-top{justify-content:space-between;align-items:center;gap:10px;display:flex}.mock-library-card-top>span{background:#f3f4f6;border-radius:10px;place-items:center;width:34px;height:34px;font-size:17px;display:inline-grid}.mock-library-card-top small,.mock-series-top span,.mock-series-top small,.mock-library-metrics span,.mock-hub-metrics span,.mock-series-tags span{color:#4b5563;background:#f3f4f6;border-radius:999px;padding:5px 9px;font-size:11px;font-weight:700}.mock-library-card strong,.mock-series-card strong{color:#111827;font-size:15px;font-weight:700}.mock-library-card p,.mock-series-card p,.mock-hub-header p{color:#6b7280;font-size:13px;line-height:1.7}.mock-library-metrics,.mock-series-meta,.mock-series-tags,.mock-hub-metrics{flex-wrap:wrap;gap:8px;display:flex}.mock-hub-header{gap:14px;margin-bottom:18px;padding:22px 0 8px;display:grid}.mock-hub-header small{color:#6b7280;letter-spacing:.08em;text-transform:uppercase;font-size:11px;font-weight:700}.mock-hub-header h1{color:#111827;letter-spacing:-.02em;margin:8px 0 0;font-size:clamp(24px,2.2vw,30px);font-weight:700}.mock-series-panel{background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:18px}.mock-series-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;display:grid}.mock-series-card{gap:12px;padding:16px;display:grid}.mock-series-top{justify-content:space-between;align-items:center;gap:10px;display:flex}.mock-series-meta small{color:#4b5563;align-items:center;gap:6px;font-size:12px;font-weight:700;display:inline-flex}.mock-series-button{color:#fef3c7;background:#111827;border:1px solid #111827;border-radius:10px;justify-content:center;align-items:center;gap:7px;height:40px;font-size:13px;font-weight:700;display:inline-flex}.mock-hub-footnote{color:#6b7280;align-items:center;gap:8px;margin-top:14px;font-size:13px;display:inline-flex}@media (width<=900px){.dashboard-topbar{grid-template-columns:1fr auto}.dashboard-summary-grid{grid-template-columns:1fr}}@media (width<=700px){.dashboard-topbar{grid-template-columns:1fr}.vault-search-wrap{max-width:100%}.vault-profile-wrap{justify-self:end}.dashboard-main{padding:16px 12px 28px}.mock-library-grid,.mock-series-grid,.dashboard-exam-grid{grid-template-columns:1fr}}.db-page,.dashboard-flow,.workspace-page,.mock-catalog-page .public-shell,.mock-hub-page .public-shell,.vault-app .public-shell,.vault-app .pyp-shell,.vault-app .pyq-paper-shell,.vault-app .pyq-reader-shell{width:min(1180px,100%);margin-left:auto;margin-right:auto}.dashboard-panel,.dashboard-exam-card,.dashboard-list-row,.mock-library-card,.mock-series-card,.mock-series-panel{border-radius:8px}.workspace-page{gap:24px;display:grid}.workspace-page-head{justify-content:space-between;align-items:flex-end;gap:16px;display:flex}.workspace-page-head small,.workspace-section-head small{color:#6b7280;letter-spacing:.08em;text-transform:uppercase;font-size:11px;font-weight:700;display:block}.workspace-page-head h1{color:#111827;margin:4px 0 0;font-size:24px;font-weight:700;line-height:1.2}.workspace-search,.admin-search{color:#9ca3af;background:#fff;border:1px solid #e5e7eb;border-radius:8px;align-items:center;gap:8px;height:40px;padding:0 12px;display:inline-flex}.workspace-search{width:min(420px,100%)}.workspace-search input,.admin-search input{color:#111827;background:0 0;border:0;outline:0;width:100%;font-size:14px}.workspace-section-list{gap:18px;display:grid}.workspace-section{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:20px;overflow:hidden}.workspace-section-head{border-bottom:1px solid #f3f4f6;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;padding-bottom:14px;display:flex}.workspace-section-head h2{color:#111827;margin-top:4px;font-size:16px;font-weight:700}.workspace-section-head a{color:#2563eb;font-size:13px;font-weight:700;text-decoration:none}.workspace-card-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;display:grid}.workspace-card{color:#111827;background:#fff;border:1px solid #e5e7eb;border-radius:10px;gap:8px;padding:16px;text-decoration:none;transition:border-color .15s,box-shadow .15s;display:grid}.workspace-card:hover{border-color:#d1d5db;box-shadow:0 2px 8px #00000012}.workspace-card>span:first-child{color:#111827;background:#f3f4f6;border-radius:8px;place-items:center;width:32px;height:32px;display:inline-grid}.workspace-card strong{font-size:14px;font-weight:700;line-height:1.35}.workspace-card small,.workspace-card p{color:#6b7280;font-size:12px}.workspace-card-action{color:#fef3c7;background:#111827;border:1px solid #111827;border-radius:8px;justify-content:center;align-items:center;gap:6px;height:34px;margin-top:4px;font-size:12px;font-weight:700;text-decoration:none;display:inline-flex}.workspace-list{gap:8px;display:grid}.workspace-list-row{color:#111827;background:#fff;border:1px solid #e5e7eb;border-radius:8px;justify-content:space-between;align-items:center;gap:14px;padding:12px 16px;text-decoration:none;transition:border-color .15s,background .15s;display:flex}.workspace-list-row:hover{background:#fafafa;border-color:#d1d5db}.workspace-list-row strong{color:#111827;font-size:14px;display:block}.workspace-list-row small{color:#6b7280;font-size:12px}.workspace-list-row>span{color:#6b7280;white-space:nowrap;font-size:12px;font-weight:700}.analytics-stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;display:grid}.analytics-stat-grid article{background:#fff;border:1px solid #e5e7eb;border-radius:12px;flex-direction:column;gap:10px;padding:18px;display:flex}.analytics-stat-icon{color:#6b7280;background:#f3f4f6;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;display:flex}.analytics-stat-grid strong{color:#111827;letter-spacing:-.03em;font-size:28px;font-weight:800;line-height:1}.analytics-stat-grid article>span:last-child{color:#9ca3af;text-transform:uppercase;letter-spacing:.06em;font-size:11px;font-weight:700}.admin-workspace{color:#111827;background:#f7f8fa;grid-template-columns:240px minmax(0,1fr);min-height:100vh;font-family:DM Sans,sans-serif;display:grid}.admin-rail{background:#fff;border-right:1px solid #e5e7eb;grid-template-rows:auto 1fr auto;gap:18px;height:100vh;padding:18px;display:grid;position:sticky;top:0}.admin-rail nav{align-content:start;gap:6px;display:grid}.admin-rail nav a,.admin-rail button{color:#374151;text-align:left;background:0 0;border:0;border-radius:8px;align-items:center;gap:9px;padding:10px 11px;font-size:13px;font-weight:700;text-decoration:none;display:inline-flex}.admin-rail nav a:hover,.admin-rail button:hover{color:#111827;background:#f3f4f6}.admin-work-main{gap:16px;width:min(1180px,100%);margin:0 auto;padding:22px 24px 48px;display:grid}.admin-work-head{border-bottom:1px solid #e5e7eb;align-items:center;gap:12px;padding-bottom:18px;display:flex}.admin-work-head>div:first-child{flex:1;min-width:0}.admin-work-head small,.admin-panel-title small{color:#6b7280;letter-spacing:.08em;text-transform:uppercase;font-size:11px;font-weight:700;display:block}.admin-work-head h1{color:#111827;margin-top:4px;font-size:24px;font-weight:700}.admin-work-head button:disabled{cursor:not-allowed;opacity:.45}.admin-status{color:#166534;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:8px;padding:10px 12px;font-size:13px;font-weight:700}.admin-stat-row{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;display:grid}.admin-stat-row article,.admin-tool-panel{background:#fff;border:1px solid #e5e7eb;border-radius:8px}.admin-stat-row article{flex-direction:column;gap:10px;padding:16px;display:flex}.admin-stat-icon{color:#6b7280;background:#f3f4f6;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;display:flex}.admin-stat-icon.admin-stat-icon-draft{color:#a16207;background:#fef9c3}.admin-stat-row strong{color:#111827;letter-spacing:-.03em;font-size:28px;font-weight:800;line-height:1}.admin-stat-row span{color:#9ca3af;text-transform:uppercase;letter-spacing:.06em;font-size:11px;font-weight:700}.admin-tool-grid{grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);align-items:start;gap:14px;display:grid}.admin-tool-panel{gap:14px;padding:16px;display:grid}.admin-panel-title{justify-content:space-between;align-items:center;gap:14px;display:flex}.admin-panel-title h2{color:#111827;margin-top:4px;font-size:17px;font-weight:700}.admin-bulk-box{resize:vertical;color:#111827;border:1px solid #e5e7eb;border-radius:8px;outline:none;min-height:180px;padding:11px;font-size:13px}.admin-manage-list{gap:8px;max-height:560px;display:grid;overflow:auto}.admin-manage-row{background:#fff;border:1px solid #e5e7eb;border-radius:8px;grid-template-columns:minmax(72px,auto) minmax(0,1fr) auto;align-items:center;gap:10px;padding:10px;display:grid}.admin-manage-row>span{color:#6b7280;font-size:12px;font-weight:700}.admin-manage-row strong{color:#111827;font-size:13px;line-height:1.4;display:block}.admin-manage-row small,.admin-manage-list p{color:#6b7280;font-size:12px}.admin-manage-row button{color:#dc2626;background:#fff1f1;border:1px solid #fee2e2;border-radius:8px;place-items:center;width:34px;height:34px;display:inline-grid}.admin-row-actions{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.admin-file-action,.admin-link-action,.admin-manage-row .admin-row-action,.admin-mock-preview .admin-panel-title button{color:#111827;background:#fff;border:1px solid #d1d5db;border-radius:8px;justify-content:center;align-items:center;gap:7px;width:auto;min-height:34px;padding:0 11px;font-size:12px;font-weight:700;text-decoration:none;display:inline-flex}.admin-file-action{cursor:pointer;position:relative;overflow:hidden}.admin-file-action input{opacity:0;cursor:pointer;position:absolute;inset:0}.admin-manage-row .admin-row-action.danger{color:#dc2626;background:#fff1f1;border-color:#fee2e2;padding:0 9px}.admin-mock-row{cursor:pointer}.admin-mock-row:hover,.admin-mock-row.active{background:#f9fafb;border-color:#111827}.admin-help-text{color:#6b7280;font-size:12px;line-height:1.6}.admin-json-box{min-height:300px;font-family:JetBrains Mono,Cascadia Code,monospace;font-size:12px;line-height:1.55}.admin-mock-preview{scroll-margin-top:18px}.admin-question-detail-list{gap:12px;display:grid}.admin-question-detail{background:#fff;border:1px solid #e5e7eb;border-radius:10px;gap:12px;padding:14px;display:grid}.admin-question-detail-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.admin-question-detail-head>div{align-items:center;gap:8px;display:flex}.admin-question-detail-head span{color:#fef3c7;background:#111827;border-radius:8px;justify-content:center;align-items:center;min-width:36px;height:30px;font-size:12px;font-weight:800;display:inline-flex}.admin-question-detail-head strong,.admin-answer-box strong{color:#111827;font-size:13px}.admin-question-detail-head button{color:#dc2626;background:#fff1f1;border:1px solid #fee2e2;border-radius:8px;align-items:center;gap:7px;width:auto;height:34px;padding:0 10px;font-size:12px;font-weight:700;display:inline-flex}.admin-question-detail>p{color:#111827;font-size:14px;line-height:1.55}.admin-option-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.admin-option-grid div{background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;grid-template-columns:auto 1fr;gap:8px;padding:10px;display:grid}.admin-option-grid div.correct{background:#f0fdf4;border-color:#86efac}.admin-option-grid strong{color:#111827;background:#e5e7eb;border-radius:999px;place-items:center;width:24px;height:24px;font-size:12px;display:inline-grid}.admin-option-grid div.correct strong{color:#fff;background:#16a34a}.admin-option-grid span,.admin-answer-box p{color:#374151;font-size:13px;line-height:1.5}.admin-answer-box{background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;gap:5px;padding:11px;display:grid}@media (width<=980px){.workspace-page-head,.admin-panel-title{flex-direction:column;align-items:stretch}.admin-work-head{flex-wrap:wrap}.admin-work-head .admin-active-pill{display:none}.analytics-stat-grid,.admin-stat-row,.admin-tool-grid,.admin-workspace{grid-template-columns:1fr}}@media (width<=640px){.workspace-card-grid{grid-template-columns:1fr}.workspace-list-row,.admin-manage-row{grid-template-columns:1fr;align-items:stretch}}.admin-rail-nav{align-content:start;gap:2px;display:grid}.admin-nav-btn{color:#374151;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:8px;align-items:center;gap:9px;width:100%;padding:10px 11px;font-size:13px;font-weight:600;text-decoration:none;transition:background .12s,color .12s;display:flex}.admin-nav-btn:hover{color:#111827;background:#f3f4f6}.admin-nav-btn.active{color:#fef3c7;background:#111827}.admin-rail-divider{background:#e5e7eb;height:1px;margin:6px 0}.admin-rail-logout{color:#9ca3af;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:8px;align-items:center;gap:9px;width:100%;padding:10px 11px;font-size:13px;font-weight:600;transition:background .12s,color .12s;display:flex}.admin-rail-logout:hover{color:#dc2626;background:#fef2f2}.admin-status-banner{border-radius:8px;align-items:center;gap:10px;padding:11px 14px;font-size:13px;font-weight:600;display:flex}.admin-status-banner.success{color:#166534;background:#f0fdf4;border:1px solid #bbf7d0}.admin-status-banner.error{color:#991b1b;background:#fef2f2;border:1px solid #fecaca}.admin-status-banner>span{flex:1}.admin-status-banner>button{opacity:.65;width:26px!important;height:26px!important;min-height:unset!important;color:inherit!important;background:0 0!important;border:0!important;border-radius:6px!important;justify-content:center!important;align-items:center!important;padding:0!important;display:inline-flex!important}.admin-status-banner>button:hover{opacity:1}.admin-tab-body{gap:16px;display:grid}.admin-overview-grid,.admin-two-col{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:16px;display:grid}.admin-head-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.admin-save-btn{color:#fef3c7;cursor:pointer;white-space:nowrap;background:#111827;border:1px solid #111827;border-radius:8px;align-items:center;gap:7px;height:38px;padding:0 14px;font-size:13px;font-weight:700;text-decoration:none;transition:opacity .12s;display:inline-flex}.admin-save-btn:hover{opacity:.88}.admin-save-btn:disabled{opacity:.4;cursor:not-allowed}.admin-save-btn.small{height:32px;padding:0 10px;font-size:12px}.admin-ghost-btn{color:#374151;cursor:pointer;white-space:nowrap;background:#fff;border:1px solid #d1d5db;border-radius:8px;align-items:center;gap:7px;height:38px;padding:0 14px;font-size:13px;font-weight:600;transition:border-color .12s,background .12s;display:inline-flex}.admin-ghost-btn:hover{background:#f9fafb;border-color:#9ca3af}.admin-ghost-btn:disabled{opacity:.4;cursor:not-allowed}.admin-text-btn{color:#6b7280;cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:6px;align-items:center;gap:5px;padding:5px 8px;font-size:12px;font-weight:600;transition:background .1s,color .1s;display:inline-flex}.admin-text-btn:hover{color:#111827;background:#f3f4f6}.admin-form-stack{gap:12px;display:grid}.admin-form-row{grid-template-columns:repeat(auto-fit,minmax(110px,1fr));align-items:end;gap:10px;display:grid}.admin-field{color:#6b7280;letter-spacing:.01em;gap:5px;font-size:12px;font-weight:600;display:grid}.admin-field input,.admin-field select,.admin-field textarea{color:#111827;box-sizing:border-box;background:#fff;border:1px solid #e5e7eb;border-radius:8px;outline:none;width:100%;padding:9px 11px;font-family:inherit;font-size:13px;transition:border-color .12s,box-shadow .12s}.admin-field input:focus,.admin-field select:focus,.admin-field textarea:focus{border-color:#374151;box-shadow:0 0 0 3px #37415112}.admin-field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-position:right 10px center;background-repeat:no-repeat;padding-right:30px}.admin-search-bar{color:#9ca3af;background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;align-items:center;gap:8px;height:38px;padding:0 12px;transition:border-color .12s;display:flex}.admin-search-bar:focus-within{background:#fff;border-color:#6b7280}.admin-search-bar input{color:#111827;background:0 0;border:0;outline:0;flex:1;font-family:inherit;font-size:13px}.admin-search-bar>button{cursor:pointer;border-radius:4px;width:24px!important;height:24px!important;min-height:unset!important;color:#9ca3af!important;background:0 0!important;border:0!important;justify-content:center!important;align-items:center!important;padding:0!important;display:inline-flex!important}.admin-search-bar>button:hover{color:#374151!important}.admin-quick-actions{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.admin-quick-btn{color:#374151;cursor:pointer;text-align:center;background:#f9fafb;border:1px solid #e5e7eb;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:18px 10px;font-size:12px;font-weight:600;text-decoration:none;transition:border-color .12s,background .12s,color .12s;display:flex}.admin-quick-btn:hover{color:#111827;background:#fff;border-color:#111827}.admin-quick-btn:disabled{opacity:.45;cursor:not-allowed}.admin-badge{white-space:nowrap;border-radius:999px;flex-shrink:0;align-items:center;height:22px;padding:0 8px;font-size:11px;font-weight:700;display:inline-flex}.admin-badge.free{color:#166534;background:#dcfce7}.admin-badge.premium{color:#92400e;background:#fef9c3}.admin-active-pill{border:1px solid var(--line);color:var(--ink3);background:var(--white);white-space:nowrap;border-radius:999px;align-items:center;gap:6px;margin-left:auto;padding:4px 10px;font-size:12px;font-weight:600;display:inline-flex}.admin-active-dot{background:var(--ink4);border-radius:50%;flex-shrink:0;width:7px;height:7px}.admin-active-dot.live{background:var(--green);animation:2s ease-in-out infinite active-pulse}@keyframes active-pulse{0%{box-shadow:0 0 #15803d66}60%{box-shadow:0 0 0 5px #15803d00}to{box-shadow:0 0 #15803d00}}.ov-users-section{border:1px solid var(--line);background:var(--white);border-radius:8px;overflow:hidden}.ov-users-head{border-bottom:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:14px 16px;display:flex}.ov-users-head h2{color:var(--ink);font-size:14px;font-weight:700}.ov-users-head small{color:var(--ink4);margin-left:6px;font-size:12px;font-weight:400;display:inline}.ov-users-search{background:var(--paper);border:1px solid var(--line);border-radius:6px;align-items:center;min-width:240px;height:34px;transition:border-color .1s;display:flex;overflow:hidden}.ov-users-search:focus-within{border-color:var(--ink2);background:var(--white)}.ov-users-search input{color:var(--ink);background:0 0;border:none;outline:none;flex:1;height:100%;padding:0 10px;font-size:13px}.ov-users-search input::placeholder{color:var(--ink4)}.ov-search-clear{color:var(--ink4);cursor:pointer;background:0 0;border:none;flex-shrink:0;align-items:center;height:100%;padding:0 6px;display:flex}.ov-search-clear:hover{color:var(--ink2)}.ov-search-go{background:var(--ink);width:36px;height:100%;color:var(--white);cursor:pointer;border:none;flex-shrink:0;justify-content:center;align-items:center;transition:opacity .12s;display:flex}.ov-search-go:hover{opacity:.82}.ov-search-go:disabled{opacity:.4;cursor:not-allowed}.ov-user-list-header{background:var(--line2);border-bottom:1px solid var(--line);color:var(--ink4);text-transform:uppercase;letter-spacing:.06em;grid-template-columns:1fr 1.4fr 60px 80px 110px 80px;align-items:center;gap:12px;padding:8px 16px;font-size:11px;font-weight:700;display:grid}.ov-user-list{display:grid}.ov-user-row{border-bottom:1px solid var(--line);grid-template-columns:1fr 1.4fr 60px 80px 110px 80px;align-items:center;gap:12px;padding:10px 16px;transition:background .1s;display:grid}.ov-user-row:last-child{border-bottom:none}.ov-user-row:hover{background:var(--line2)}.ov-user-identity{align-items:center;gap:9px;min-width:0;display:flex}.ov-user-initial{background:var(--hl);width:28px;height:28px;color:var(--ink);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:800;display:flex}.ov-user-name-text{color:var(--ink);white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:600;overflow:hidden}.ov-user-city{color:var(--ink2);white-space:nowrap;text-overflow:ellipsis;font-size:11px;font-weight:400;display:block;overflow:hidden}.ov-user-email-text{color:var(--ink3);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.ov-user-role-tag{color:var(--ink4);text-transform:capitalize;font-size:11px;font-weight:600}.ov-user-dot{white-space:nowrap;align-items:center;gap:5px;font-size:12px;font-weight:600;display:inline-flex}.inbox-widget{z-index:1000;flex-direction:column;align-items:flex-end;gap:10px;display:flex;position:fixed;bottom:24px;right:24px}.inbox-bubble{color:#fff;cursor:pointer;background:#111827;border:none;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;transition:transform .15s,box-shadow .15s;display:flex;position:relative;box-shadow:0 4px 20px #00000040}.inbox-bubble:hover{transform:scale(1.07);box-shadow:0 6px 24px #0000004d}.inbox-bubble--unread{background:#111827}.inbox-badge{background:#ef4444;border:2px solid #fff;border-radius:50%;width:10px;height:10px;position:absolute;top:4px;right:4px}.inbox-panel{background:#fff;border:1px solid #e4e4e7;border-radius:14px;flex-direction:column;width:320px;max-height:480px;display:flex;overflow:hidden;box-shadow:0 8px 32px #00000029}.inbox-panel-head{color:#18181b;background:#fff;border-bottom:1px solid #e4e4e7;align-items:center;gap:8px;padding:12px 14px;font-size:13px;font-weight:600;display:flex}.inbox-panel-head span{flex:1}.inbox-back,.inbox-close{cursor:pointer;color:var(--ink2);background:0 0;border:none;align-items:center;padding:2px;display:flex}.inbox-back:hover,.inbox-close:hover{color:var(--ink)}.inbox-list{background:#fff;flex-direction:column;flex:1;gap:4px;padding:8px;display:flex;overflow-y:auto}.inbox-empty{color:var(--ink2);text-align:center;padding:24px 16px;font-size:13px}.inbox-thread-row{text-align:left;cursor:pointer;background:0 0;border:1px solid #e4e4e7;border-radius:8px;width:100%;padding:10px 12px;transition:background .1s}.inbox-thread-row:hover{background:#f4f4f5}.inbox-thread-row--replied{border-color:#111827}.inbox-thread-meta{justify-content:space-between;margin-bottom:4px;display:flex}.inbox-thread-context{color:var(--hl);font-size:11px;font-weight:600}.inbox-thread-time{color:var(--ink2);font-size:11px}.inbox-thread-preview{color:var(--ink);white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:12px;overflow:hidden}.inbox-replied-badge{background:var(--hl);color:#fff;border-radius:4px;margin-top:6px;padding:2px 6px;font-size:10px;display:inline-block}.inbox-new-btn{color:#71717a;cursor:pointer;text-align:center;background:0 0;border:1px dashed #e4e4e7;border-radius:8px;width:100%;margin-top:4px;padding:10px;font-size:12px;transition:background .1s,color .1s}.inbox-new-btn:hover{color:#18181b;background:#f4f4f5}.inbox-thread-view{background:#fff;flex-direction:column;flex:1;display:flex;overflow:hidden}.inbox-messages{flex-direction:column;flex:1;gap:10px;padding:12px;display:flex;overflow-y:auto}.inbox-messages--new{justify-content:center}.inbox-msg{flex-direction:column;gap:2px;display:flex}.inbox-msg--user{align-items:flex-end}.inbox-msg--admin{align-items:flex-start}.inbox-msg-who{color:var(--ink2);font-size:10px}.inbox-msg-text{word-break:break-word;border-radius:10px;max-width:85%;margin:0;padding:8px 12px;font-size:13px;line-height:1.4}.inbox-msg--user .inbox-msg-text{color:#fff;background:#111827}.inbox-msg--admin .inbox-msg-text{color:#18181b;background:#f4f4f5;border:1px solid #e4e4e7}.inbox-msg-time{color:var(--ink2);font-size:10px}.inbox-context-pill{color:var(--ink2);border-bottom:1px solid var(--line);margin:0;padding:6px 12px;font-size:11px}.inbox-compose{background:#fff;border-top:1px solid #e4e4e7;align-items:flex-end;gap:8px;padding:10px;display:flex}.inbox-compose textarea{resize:none;color:#18181b;background:#f7f8fa;border:1px solid #e4e4e7;border-radius:8px;outline:none;flex:1;padding:8px 10px;font-family:inherit;font-size:13px}.inbox-compose textarea:focus{border-color:#111827}.inbox-compose button{color:#fff;cursor:pointer;background:#111827;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;transition:opacity .15s;display:flex}.inbox-compose button:disabled{opacity:.35;cursor:not-allowed}.inbox-error{color:#ef4444;margin:0;padding:0 12px 8px;font-size:12px}.admin-inbox-badge{color:#fff;vertical-align:middle;background:#ef4444;border-radius:10px;margin-left:6px;padding:1px 6px;font-size:10px;font-weight:700}@keyframes admin-inbox-spin{to{transform:rotate(360deg)}}.admin-inbox-spin{animation:.7s linear infinite admin-inbox-spin}.admin-inbox-tab{height:calc(100vh - 96px);padding:0}.admin-inbox-layout{border:1px solid var(--line);border-radius:14px;grid-template-columns:300px 1fr;height:100%;display:grid;overflow:hidden;box-shadow:0 1px 4px #0000000f}.admin-inbox-list{background:var(--surface);border-right:1px solid var(--line);flex-direction:column;display:flex;overflow:hidden}.admin-inbox-list-head{border-bottom:1px solid var(--line);flex-shrink:0;padding:16px 16px 12px}.admin-inbox-list-head h2{color:var(--ink);margin:0 0 2px;font-size:15px;font-weight:700}.admin-inbox-list-head-meta{justify-content:space-between;align-items:center;margin-bottom:2px;display:flex}.admin-inbox-count{color:var(--ink2);font-size:11px}.admin-inbox-refresh{cursor:pointer;color:var(--ink2);background:0 0;border:none;border-radius:6px;align-items:center;padding:4px;transition:background .1s,color .1s;display:flex}.admin-inbox-refresh:hover{background:var(--line2);color:var(--ink)}.admin-inbox-refresh:disabled{opacity:.4;cursor:not-allowed}.admin-inbox-thread-list{flex:1;overflow-y:auto}.admin-inbox-empty-list{height:200px;color:var(--ink2);flex-direction:column;justify-content:center;align-items:center;gap:10px;display:flex}.admin-inbox-empty-list p{margin:0;font-size:13px}.admin-inbox-row{border-bottom:1px solid var(--line);cursor:pointer;align-items:flex-start;gap:10px;padding:12px 14px;transition:background .1s;display:flex;position:relative}.admin-inbox-row:hover{background:var(--line2)}.admin-inbox-row.active{background:var(--line2);border-left:3px solid var(--hl);padding-left:11px}.admin-inbox-row--open:after{content:"";background:#f59e0b;border-radius:50%;width:7px;height:7px;position:absolute;top:14px;right:36px}.admin-inbox-avatar{background:var(--hl);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;margin-top:1px;font-size:13px;font-weight:700;display:flex}.admin-inbox-row-body{flex:1;min-width:0}.admin-inbox-row-top{justify-content:space-between;align-items:baseline;gap:6px;margin-bottom:2px;display:flex}.admin-inbox-user{color:var(--ink);font-size:13px;font-weight:600}.admin-inbox-time{color:var(--ink2);flex-shrink:0;font-size:10px}.admin-inbox-context-tag{color:var(--ink2);white-space:nowrap;text-overflow:ellipsis;margin-bottom:3px;font-size:10px;display:block;overflow:hidden}.admin-inbox-preview{color:var(--ink2);white-space:nowrap;text-overflow:ellipsis;margin:0 0 5px;padding-right:20px;font-size:12px;overflow:hidden}.admin-inbox-status-pill{border-radius:4px;align-items:center;gap:3px;padding:2px 7px;font-size:10px;font-weight:600;display:inline-flex}.admin-inbox-status-pill.open{color:#b45309;background:#fef3c7}.admin-inbox-status-pill.replied{color:#15803d;background:#dcfce7}.admin-inbox-del{opacity:0;cursor:pointer;color:var(--ink2);background:0 0;border:none;border-radius:5px;align-items:center;padding:4px;transition:opacity .12s,background .12s,color .12s;display:flex;position:absolute;top:10px;right:8px}.admin-inbox-del:hover{color:#ef4444;background:#fee2e2}.admin-inbox-row:hover .admin-inbox-del{opacity:1}.admin-inbox-convo{background:var(--bg);flex-direction:column;display:flex;overflow:hidden}.admin-inbox-convo-empty{color:var(--ink2);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:10px;display:flex}.admin-inbox-convo-empty svg{opacity:.2}.admin-inbox-convo-empty p{margin:0;font-size:13px}.admin-inbox-convo-head{border-bottom:1px solid var(--line);background:var(--surface);flex-shrink:0;align-items:center;gap:12px;padding:14px 20px;display:flex}.admin-inbox-convo-avatar{background:var(--hl);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;font-size:15px;font-weight:700;display:flex}.admin-inbox-convo-info{flex:1;min-width:0}.admin-inbox-convo-info strong{color:var(--ink);font-size:14px;font-weight:700;line-height:1.3;display:block}.admin-inbox-convo-info small{color:var(--ink2);font-size:11px}.admin-inbox-convo-tag{background:var(--line2);color:var(--ink);border:1px solid var(--line);white-space:nowrap;text-overflow:ellipsis;border-radius:6px;max-width:200px;padding:4px 10px;font-size:11px;font-weight:500;overflow:hidden}.admin-inbox-messages{flex-direction:column;flex:1;gap:16px;padding:20px 24px;display:flex;overflow-y:auto}.admin-inbox-msg{flex-direction:column;gap:4px;display:flex}.admin-inbox-msg--user{align-items:flex-start}.admin-inbox-msg--admin{align-items:flex-end}.admin-inbox-msg-who{color:var(--ink2);text-transform:uppercase;letter-spacing:.04em;font-size:10px;font-weight:600}.admin-inbox-msg-text{word-break:break-word;white-space:pre-wrap;max-width:72%;margin:0;padding:10px 15px;font-size:13.5px;line-height:1.55}.admin-inbox-msg--user .admin-inbox-msg-text{background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:2px 12px 12px}.admin-inbox-msg--admin .admin-inbox-msg-text{background:var(--hl);color:#fff;border-radius:12px 2px 12px 12px}.admin-inbox-msg-time{color:var(--ink2);font-size:10px}.admin-inbox-reply{border-top:1px solid var(--line);background:var(--surface);flex-shrink:0;padding:14px 20px 12px}.admin-inbox-reply-inner{border:1.5px solid var(--line);background:var(--bg);border-radius:12px;align-items:flex-end;gap:10px;padding:10px 14px;transition:border-color .15s;display:flex}.admin-inbox-reply-inner:focus-within{border-color:var(--hl)}.admin-inbox-reply textarea{color:var(--ink);resize:none;background:0 0;border:none;outline:none;flex:1;font-family:inherit;font-size:13px;line-height:1.5}.admin-inbox-reply textarea::placeholder{color:var(--ink2)}.admin-inbox-reply-send{background:var(--hl);color:#fff;cursor:pointer;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;transition:opacity .15s,transform .1s;display:flex}.admin-inbox-reply-send:hover:not(:disabled){transform:scale(1.05)}.admin-inbox-reply-send:disabled{opacity:.3;cursor:not-allowed}.admin-inbox-reply-hint{color:var(--ink2);margin:6px 0 0;font-size:10px}.inbox-bubble{background:#111827;box-shadow:0 4px 20px #00000040}.inbox-bubble svg{color:#fff}@media (width<=540px){.inbox-widget{bottom:72px;right:16px}.inbox-panel{border-bottom:none;border-left:none;border-right:none;border-radius:20px 20px 0 0;width:100%;max-height:75vh;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -4px 32px #0000002e}.inbox-bubble{width:50px;height:50px;position:fixed;bottom:76px;right:16px}}.admin-mobile-topbar,.admin-drawer-close{display:none}.admin-rail-header{justify-content:space-between;align-items:center;display:flex}.admin-drawer-overlay{display:none}@media (width<=900px){.admin-workspace{grid-template-columns:1fr;position:relative}.admin-mobile-topbar{z-index:90;background:#fff;border-bottom:1px solid #e5e7eb;align-items:center;gap:12px;padding:12px 16px;display:flex;position:sticky;top:0}.admin-dark .admin-mobile-topbar{background:#161b22;border-bottom-color:#30363d}.admin-hamburger{cursor:pointer;color:#374151;background:0 0;border:none;border-radius:6px;flex-shrink:0;align-items:center;padding:4px;display:flex}.admin-dark .admin-hamburger{color:#9ca3af}.admin-hamburger:hover{background:#f3f4f6}.admin-mobile-title{color:#111827;flex:1;font-size:15px;font-weight:700}.admin-dark .admin-mobile-title{color:#e5e7eb}.admin-active-pill--mobile{flex-shrink:0;margin-left:auto;font-size:11px}.admin-drawer-overlay{z-index:149;background:#00000073;animation:.15s admin-fade-in;display:block;position:fixed;inset:0}@keyframes admin-fade-in{0%{opacity:0}to{opacity:1}}.admin-rail{z-index:150;width:260px;height:100vh;box-shadow:none;transition:transform .22s cubic-bezier(.4,0,.2,1);position:fixed;top:0;left:0;overflow-y:auto;transform:translate(-100%)}.admin-rail--open{transform:translate(0);box-shadow:4px 0 24px #0000002e}.admin-rail-header{margin-bottom:8px}.admin-drawer-close{cursor:pointer;color:#6b7280;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;padding:6px;display:flex}.admin-drawer-close:hover{background:#f3f4f6}.admin-dark .admin-drawer-close{color:#9ca3af}.admin-dark .admin-drawer-close:hover{background:#21262d}.admin-inbox-tab{height:auto}.admin-inbox-layout{border-radius:12px;grid-template-columns:1fr;height:auto}.admin-inbox-list{border-bottom:1px solid #e5e7eb;border-right:none;max-height:320px}.admin-inbox-convo{min-height:380px}.admin-two-col{grid-template-columns:1fr}}@media (width<=640px){.ov-user-list-header{grid-template-columns:1fr 60px 70px 72px;gap:8px}.ov-user-list-header span:nth-child(2),.ov-user-list-header span:nth-child(5){display:none}.ov-user-row{grid-template-columns:1fr 60px 70px 72px;gap:8px}.ov-user-email-text,.ov-user-login-text{display:none}.admin-stat-row{grid-template-columns:1fr 1fr}.admin-work-main{gap:12px;padding:12px}.admin-work-head{padding:0 0 4px}.admin-tool-panel{padding:14px}.admin-form-row{grid-template-columns:1fr}.admin-inbox-list{max-height:260px}.admin-inbox-msg-text{max-width:90%}}.ov-user-dot:before{content:"";border-radius:50%;flex-shrink:0;width:6px;height:6px}.ov-user-dot.active{color:var(--green)}.ov-user-dot.active:before{background:var(--green)}.ov-user-dot.banned{color:var(--red)}.ov-user-dot.banned:before{background:var(--red)}.ov-user-login-text{color:var(--ink4);white-space:nowrap;font-size:12px}.ov-user-action-btn{cursor:pointer;white-space:nowrap;border:1px solid var(--line);background:var(--white);height:28px;color:var(--ink3);border-radius:5px;padding:0 10px;font-size:12px;font-weight:600;transition:all .12s}.ov-user-action-btn:hover{border-color:var(--ink3);color:var(--ink)}.ov-user-action-btn:disabled{opacity:.4;cursor:not-allowed}.ov-user-action-btn.ban{background:var(--red-bg);color:var(--red);border-color:#fecaca}.ov-user-action-btn.ban:hover{border-color:var(--red)}.ov-user-action-btn.activate{border-color:var(--green-border);background:var(--green-bg);color:var(--green)}.ov-user-action-btn.activate:hover{border-color:var(--green)}.ov-load-more{border:none;border-top:1px solid var(--line);background:var(--line2);width:100%;height:38px;color:var(--ink3);cursor:pointer;font-size:13px;font-weight:600;transition:background .1s,color .1s}.ov-load-more:hover{background:var(--line);color:var(--ink)}.ov-load-more:disabled{opacity:.5;cursor:not-allowed}.ov-users-empty{color:var(--ink4);text-align:center;padding:24px 16px;font-size:13px}.ov-users-loading{justify-content:center;padding:24px 16px;display:flex}.admin-q-num{color:#fef3c7;background:#111827;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;min-width:34px;height:26px;font-size:11px;font-weight:800;display:inline-flex}.admin-exam-icon{flex-shrink:0;font-size:20px;line-height:1}.admin-empty{color:#9ca3af;padding:10px 4px;font-size:13px}.admin-tips-grid{gap:10px;display:grid}.admin-tip{background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;align-items:flex-start;gap:12px;padding:12px;display:flex}.admin-tip>svg{color:#6b7280;flex-shrink:0;margin-top:2px}.admin-tip strong{color:#111827;margin-bottom:4px;font-size:13px;font-weight:700;display:block}.admin-tip code{color:#4b5563;word-break:break-all;font-family:JetBrains Mono,Cascadia Code,monospace;font-size:11px;line-height:1.5;display:block}@media (width<=900px){.admin-overview-grid,.admin-two-col{grid-template-columns:1fr}.admin-quick-actions{grid-template-columns:repeat(2,1fr)}}@media (width<=640px){.mock-question-actions{flex-direction:column;align-items:stretch}.mock-question-actions button{width:100%}.mock-attempt-topbar{flex-direction:column;align-items:stretch;height:auto;padding:10px 12px}.mock-attempt-page{grid-template-rows:auto minmax(0,1fr)}.mock-question-panel{padding:16px 12px}}.vault-search:focus-within{border-color:var(--ink3);box-shadow:0 0 0 3px #18181b12}.vault-sidebar-footer .vault-logout{margin-top:0}.vault-sidebar-footer{border-top:1px solid #ffffff12;flex-direction:column;gap:2px;margin-top:auto;padding-top:8px;display:flex}.vault-user-card{border-radius:10px;align-items:center;gap:10px;min-width:0;padding:10px 12px;display:flex}.vault-user-avatar{background:var(--hl);width:30px;height:30px;color:var(--ink);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:800;display:inline-flex}.vault-user-details{flex:1;gap:1px;min-width:0;display:grid}.vault-user-details strong{color:#e4e4e7;white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:700;overflow:hidden}.vault-user-details small{color:#52525b;white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.vault-topbar-new{z-index:25;border-bottom:1px solid var(--line);background:#fff;align-items:center;gap:12px;height:58px;padding:0 22px;display:flex;position:sticky;top:0}.vault-tb-left{flex:1;align-items:center;gap:8px;min-width:0;display:flex}.vault-tb-logo{flex-shrink:0;display:none}.vault-tb-title{color:var(--ink);letter-spacing:-.01em;white-space:nowrap;font-size:15px;font-weight:700}.vault-topbar-new .vault-search-wrap{flex:0 0 340px;max-width:340px;position:relative}.vault-topbar-new .vault-search{border:1.5px solid var(--line);width:100%;height:38px;box-shadow:var(--shadow);color:var(--ink4);background:#fff;border-radius:10px;align-items:center;gap:9px;padding:0 13px;transition:border-color .14s,box-shadow .14s;display:flex}.vault-topbar-new .vault-search:focus-within{border-color:var(--ink3);box-shadow:0 0 0 3px #18181b0f}.vault-topbar-new .vault-search input{width:100%;color:var(--ink);background:0 0;border:0;outline:0;font-size:13px}.vault-tb-right{flex:1;justify-content:flex-end;align-items:center;display:flex}.vault-profile-wrap{position:relative}.vault-profile-btn{border:1.5px solid var(--line);height:36px;color:var(--ink);box-shadow:var(--shadow);cursor:pointer;background:#fff;border-radius:10px;align-items:center;gap:7px;padding:0 10px 0 6px;font-size:13px;font-weight:700;transition:border-color .14s;display:inline-flex}.vault-profile-btn:hover{border-color:var(--ink3)}.vault-tb-avatar{background:var(--ink);width:24px;height:24px;color:var(--hl);border-radius:50%;justify-content:center;align-items:center;font-size:10px;font-weight:800;display:inline-flex}.vault-main-new{min-height:calc(100vh - 58px);padding:22px 24px 60px}@media (width<=1120px){.vault-user-details,.vault-user-card .vault-user-details{display:none}.vault-user-card{justify-content:center;padding:8px}.vault-profile-btn span,.vault-profile-btn svg:last-child{display:none}.vault-topbar-new .vault-search-wrap{flex:1;max-width:none}.vault-tb-left{display:none}}@media (width<=900px){.vault-topbar-new{padding:0 14px}.vault-topbar-new .vault-search-wrap{flex:1;max-width:none}.vault-main-new{padding:16px 14px 48px}}.ep-page{gap:24px;width:min(1100px,100%);margin:0 auto;display:grid}.ep-breadcrumb{color:#9ca3af;align-items:center;gap:6px;font-size:13px;display:flex}.ep-breadcrumb a{color:#6b7280;font-weight:500;text-decoration:none}.ep-breadcrumb a:hover{color:#111827}.ep-breadcrumb svg{color:#d1d5db}.ep-header{background:#fff;border:1px solid #e5e7eb;border-radius:16px;justify-content:space-between;align-items:flex-start;gap:24px;padding:28px 28px 24px;display:flex}.ep-header-left{flex:1;align-items:flex-start;gap:18px;min-width:0;display:flex}.ep-icon{background:#f3f4f6;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:52px;height:52px;font-size:26px;display:flex}.ep-category-tag{text-transform:uppercase;letter-spacing:.07em;color:#6b7280;background:#f3f4f6;border-radius:5px;margin-bottom:6px;padding:2px 8px;font-size:11px;font-weight:700;display:inline-block}.ep-header-left h1{color:#111827;margin:0 0 6px;font-size:22px;font-weight:800;line-height:1.2}.ep-desc{color:#6b7280;margin:0;font-size:14px;line-height:1.55}.ep-stat-row{border:1px solid #e5e7eb;border-radius:12px;flex-shrink:0;gap:0;display:flex;overflow:hidden}.ep-stat{border-right:1px solid #e5e7eb;flex-direction:column;align-items:center;gap:3px;min-width:80px;padding:14px 20px;display:flex}.ep-stat:last-child{border-right:none}.ep-stat strong{color:#111827;letter-spacing:-.02em;font-size:22px;font-weight:800;line-height:1}.ep-stat span{text-transform:uppercase;letter-spacing:.06em;color:#9ca3af;white-space:nowrap;font-size:10px;font-weight:700}.ep-tabs{border-bottom:2px solid #f3f4f6;gap:4px;padding-bottom:0;display:flex}.ep-tab{color:#6b7280;cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;align-items:center;gap:7px;margin-bottom:-2px;padding:10px 16px 12px;font-size:14px;font-weight:600;transition:color .14s,border-color .14s;display:inline-flex}.ep-tab:hover{color:#111827}.ep-tab.active{color:#111827;border-bottom-color:#111827}.ep-tab-count{color:#6b7280;background:#f3f4f6;border-radius:10px;justify-content:center;align-items:center;min-width:20px;height:20px;padding:0 5px;font-size:11px;font-weight:700;display:inline-flex}.ep-tab.active .ep-tab-count{color:#fff;background:#111827}.ep-tab-body{gap:20px;display:grid}.ep-empty{color:#9ca3af;text-align:center;padding:32px 0;font-size:14px}.ep-papers-list{gap:28px;display:grid}.ep-guides-strip{border:1px solid var(--line);background:#fafaf7;border-radius:10px;flex-wrap:wrap;align-items:center;gap:8px;margin-top:4px;padding:14px 16px;display:flex}.ep-guides-label{text-transform:uppercase;letter-spacing:.07em;color:var(--ink4);white-space:nowrap;font-size:11px;font-weight:700}.ep-guide-chip{color:var(--ink);border:1.5px solid var(--line);background:#fff;border-radius:8px;align-items:center;gap:4px;padding:5px 12px;font-size:12.5px;font-weight:700;text-decoration:none;transition:border-color .13s,background .13s;display:inline-flex}.ep-guide-chip:hover{border-color:var(--ink3);background:#f8f8f8}.ep-year-group{gap:10px;display:grid}.ep-year-label{text-transform:uppercase;letter-spacing:.07em;color:#9ca3af;font-size:12px;font-weight:700}.ep-paper-grid{gap:8px;display:grid}.ep-paper-card{background:#fff;border:1px solid #e5e7eb;border-radius:10px;transition:border-color .14s,box-shadow .14s;overflow:hidden}.ep-paper-card:hover{border-color:#d1d5db;box-shadow:0 2px 8px #0000000f}.ep-paper-card-inner{color:#111827;justify-content:space-between;align-items:center;gap:16px;padding:16px 18px 12px;text-decoration:none;display:flex}.ep-paper-card-main{flex:1;min-width:0}.ep-paper-card-main strong{margin-bottom:3px;font-size:14px;font-weight:700;display:block}.ep-paper-card-main small{color:#6b7280;font-size:12px}.ep-paper-meta{flex-wrap:wrap;align-items:center;gap:6px;margin-top:2px;display:flex}.ep-paper-meta small{display:inline}.ep-paper-date{color:#9ca3af}.ep-paper-tags{flex-wrap:wrap;gap:5px;padding:0 18px 14px;display:flex}.ep-paper-tag-btn{color:#2563eb;cursor:pointer;background:#eff6ff;border:1px solid #bfdbfe;border-radius:4px;padding:2px 8px;font-size:11px;font-weight:600;transition:background .13s,border-color .13s}.ep-paper-tag-btn:hover{background:#dbeafe;border-color:#93c5fd}.ep-paper-card-right{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:8px;display:flex}.ep-q-count{color:#6b7280;font-size:12px;font-weight:700}.ep-attempt-btn{color:#fff;white-space:nowrap;background:#111827;border-radius:7px;align-items:center;gap:3px;height:30px;padding:0 12px;font-size:12px;font-weight:700;display:inline-flex}.ep-paper-card:hover .ep-attempt-btn{background:#1f2937}.ep-filter-bar{gap:6px;display:flex}.ep-filter-btn{color:#6b7280;cursor:pointer;background:#fff;border:1px solid #e5e7eb;border-radius:8px;height:32px;padding:0 14px;font-size:13px;font-weight:600;transition:all .14s}.ep-filter-btn:hover{color:#111827;border-color:#d1d5db}.ep-filter-btn.active{color:#fff;background:#111827;border-color:#111827}.ep-mock-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px;display:grid}.ep-mock-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;flex-direction:column;gap:10px;padding:18px;transition:border-color .14s,box-shadow .14s;display:flex}.ep-mock-card:hover{border-color:#d1d5db;box-shadow:0 2px 10px #00000012}.ep-mock-badges{align-items:center;gap:6px;display:flex}.ep-diff-badge{letter-spacing:.03em;border-radius:5px;align-items:center;height:22px;padding:0 8px;font-size:11px;font-weight:700;display:inline-flex}.diff-beginner{color:#15803d;background:#dcfce7}.diff-moderate{color:#a16207;background:#fef9c3}.diff-advanced{color:#b91c1c;background:#fee2e2}.ep-free-badge{color:#1d4ed8;background:#eff6ff;border-radius:5px;align-items:center;height:22px;padding:0 8px;font-size:11px;font-weight:700;display:inline-flex}.ep-mock-title{color:#111827;font-size:14px;font-weight:700;line-height:1.35}.ep-mock-desc{color:#6b7280;flex:1;font-size:13px;line-height:1.5}.ep-mock-meta{color:#9ca3af;gap:12px;font-size:12px;font-weight:600;display:flex}.ep-mock-meta span{align-items:center;gap:4px;display:inline-flex}.ep-mock-footer{margin-top:auto}.ep-start-btn{color:#fff;cursor:pointer;background:#111827;border:1px solid #111827;border-radius:8px;justify-content:center;align-items:center;width:100%;height:36px;font-size:13px;font-weight:700;text-decoration:none;transition:background .14s;display:inline-flex}.ep-start-btn:hover{background:#1f2937}.ep-subjects-block{gap:14px;display:grid}.ep-subjects-block h2{color:#111827;font-size:15px;font-weight:700}.ep-subject-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:8px;display:grid}.ep-subject-card{color:#374151;background:#fff;border:1px solid #e5e7eb;border-radius:8px;align-items:center;gap:9px;padding:11px 14px;font-size:13px;font-weight:600;transition:border-color .14s;display:flex}.ep-subject-card:hover{border-color:#d1d5db}.ep-year-chips{flex-wrap:wrap;gap:8px;display:flex}.ep-year-chip{color:#374151;background:#f3f4f6;border-radius:8px;align-items:center;height:32px;padding:0 14px;font-size:13px;font-weight:700;display:inline-flex}@media (width<=768px){.ep-header{flex-direction:column;gap:18px}.ep-stat-row{width:100%}.ep-stat{flex:1;min-width:0;padding:12px 10px}.ep-mock-grid{grid-template-columns:1fr}.ep-subject-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}}@media (width<=540px){.ep-header-left{flex-direction:column;gap:12px}.ep-tabs{padding-bottom:2px;overflow-x:auto}.ep-tab{white-space:nowrap}}.ep-search-bar{color:#9ca3af;cursor:text;background:#fff;border:1px solid #e5e7eb;border-radius:10px;align-items:center;gap:9px;width:min(480px,100%);height:40px;padding:0 12px;transition:border-color .14s;display:flex}.ep-search-bar:focus-within{color:#6b7280;border-color:#6b7280}.ep-search-bar input{color:#111827;background:0 0;border:0;outline:0;flex:1;font-size:14px}.ep-search-bar button{cursor:pointer;color:#9ca3af;background:0 0;border:none;align-items:center;padding:0;display:flex}.ep-search-bar button:hover{color:#6b7280}.ep-header{background:#fff;border:1px solid #e5e7eb;border-radius:16px;align-items:flex-start;gap:24px;padding:24px 24px 20px;display:flex}.ep-subject-count{color:#9ca3af;background:#f3f4f6;border-radius:4px;margin-left:auto;padding:1px 6px;font-size:11px;font-weight:700}.ep-subject-card{color:#374151;cursor:pointer;text-align:left;background:#fff;border:1px solid #e5e7eb;border-radius:8px;align-items:center;gap:9px;width:100%;padding:11px 14px;font-size:13px;font-weight:600;transition:border-color .14s,background .14s;display:flex}.ep-subject-card:hover{background:#fafafa;border-color:#d1d5db}.ep-subject-card svg{color:#9ca3af;flex-shrink:0}.ep-subjects-hint{color:#9ca3af;margin:0 0 4px;font-size:13px}.ep-subject-drill-head{border-bottom:1px solid #f3f4f6;align-items:center;gap:12px;padding-bottom:16px;display:flex}.ep-subject-drill-head h2{color:#111827;flex:1;font-size:17px;font-weight:700}.ep-subject-drill-head span{color:#9ca3af;font-size:12px;font-weight:600}.ep-back-btn{color:#6b7280;cursor:pointer;white-space:nowrap;background:#fff;border:1px solid #e5e7eb;border-radius:7px;align-items:center;gap:4px;height:30px;padding:0 12px;font-size:12px;font-weight:600;transition:border-color .14s;display:inline-flex}.ep-back-btn:hover{color:#374151;border-color:#d1d5db}.ep-question-list{gap:6px;display:grid}.ep-question-row{color:#111827;background:#fff;border:1px solid #e5e7eb;border-radius:8px;align-items:center;gap:14px;padding:12px 14px;text-decoration:none;transition:border-color .14s,background .14s;display:flex}.ep-question-row:hover{background:#fafafa;border-color:#d1d5db}.ep-q-num{color:#9ca3af;text-align:center;min-width:32px;font-size:11px;font-weight:700}.ep-q-body{flex:1;min-width:0}.ep-q-body span{-webkit-line-clamp:2;color:#111827;-webkit-box-orient:vertical;font-size:13px;font-weight:500;line-height:1.45;display:-webkit-box;overflow:hidden}.ep-q-body small{color:#9ca3af;margin-top:2px;font-size:11px;display:block}.ep-q-arrow{color:#d1d5db;flex-shrink:0}.ep-q-tag{color:#3b82f6;background:#eff6ff;border-radius:4px;margin-right:6px;padding:1px 6px;font-size:10px;font-weight:600;display:inline-block}.ep-topic-chips{border-bottom:1px solid #f3f4f6;flex-wrap:wrap;gap:6px;margin-bottom:4px;padding:12px 0 16px;display:flex}.ep-topic-chip{color:#6b7280;cursor:pointer;background:#fff;border:1px solid #e5e7eb;border-radius:20px;padding:4px 12px;font-size:12px;font-weight:500;transition:all .14s}.ep-topic-chip:hover{color:#374151;border-color:#d1d5db}.ep-topic-chip.active{color:#fff;background:#1d4ed8;border-color:#1d4ed8}.sq-list{gap:12px;display:grid}.sq-card{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:16px}.sq-card-head{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px;display:flex}.sq-q-num{color:#fff;background:#6b7280;border-radius:4px;flex-shrink:0;padding:2px 7px;font-size:11px;font-weight:700}.sq-tag{color:#2563eb;background:#eff6ff;border-radius:10px;padding:2px 8px;font-size:11px;font-weight:600}.sq-tag-btn{cursor:pointer;border:none;transition:background .13s}.sq-tag-btn:hover{background:#dbeafe}.sq-source{color:#9ca3af;white-space:nowrap;margin-left:auto;font-size:11px}.sq-question{color:#111827;white-space:pre-wrap;margin:0 0 12px;font-size:14px;line-height:1.55}.sq-options{gap:8px;margin-bottom:10px;display:grid}.sq-option{color:#374151;text-align:left;cursor:pointer;background:#fff;border:1.5px solid #e5e7eb;border-radius:8px;align-items:flex-start;gap:10px;width:100%;padding:9px 12px;font-size:13px;transition:border-color .13s,background .13s;display:flex}.sq-option:not(:disabled):hover{background:#eff6ff;border-color:#93c5fd}.sq-option:disabled{cursor:default}.sq-option.correct{color:#15803d;background:#f0fdf4;border-color:#16a34a}.sq-option.wrong{color:#b91c1c;background:#fef2f2;border-color:#dc2626}.sq-opt-key{color:#6b7280;background:#f3f4f6;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;font-size:11px;font-weight:700;display:flex}.sq-option.correct .sq-opt-key{color:#fff;background:#16a34a}.sq-option.wrong .sq-opt-key{color:#fff;background:#dc2626}.sq-opt-text{flex:1;line-height:1.45}.sq-explanation{color:#4b5563;white-space:pre-wrap;background:#f9fafb;border-left:3px solid #d1d5db;border-radius:0 6px 6px 0;margin:4px 0 0;padding:10px 12px;font-size:13px;line-height:1.55}.sq-load-more{justify-content:center;padding:20px 0 4px;display:flex}.sq-load-btn{color:#374151;cursor:pointer;background:#fff;border:1.5px solid #e5e7eb;border-radius:8px;padding:10px 28px;font-size:13px;font-weight:600;transition:all .14s}.sq-load-btn:hover{color:#1d4ed8;background:#eff6ff;border-color:#1d4ed8}.pyq-answer-key{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);margin:24px 0 8px;padding:20px}.pyq-answer-key h2{color:var(--ink);margin-bottom:14px;font-size:15px;font-weight:700}.pyq-ak-grid{flex-wrap:wrap;gap:8px;display:flex}.pyq-ak-item{background:var(--line2);color:var(--ink3);border-radius:6px;align-items:center;gap:5px;padding:4px 10px;font-size:12px;display:flex}.pyq-ak-item strong{color:var(--ink);font-size:13px;font-weight:800}.ep-gate{justify-content:center;padding:40px 0 20px;display:flex}.ep-gate-inner{text-align:center;background:#fff;border:1px solid #e5e7eb;border-radius:16px;flex-direction:column;align-items:center;gap:10px;max-width:360px;padding:32px 28px;display:flex}.ep-gate-inner svg{color:#9ca3af}.ep-gate-inner strong{color:#111827;font-size:16px;font-weight:700}.ep-gate-inner p{color:#6b7280;margin:0;font-size:13px;line-height:1.5}.ep-gate-btn{color:#fff;cursor:pointer;background:#111827;border:none;border-radius:9px;height:38px;margin-top:6px;padding:0 20px;font-size:13px;font-weight:700;transition:background .14s}.ep-gate-btn:hover{background:#1f2937}.ep-faq{border-top:1.5px solid #f3f4f6;margin-top:40px;padding-top:28px}.ep-faq-title{color:#111827;margin:0 0 14px;font-size:15px;font-weight:700}.ep-faq-list{flex-direction:column;gap:2px;margin:0;padding:0;display:flex}.ep-faq-item{background:#fff;border:1.5px solid #f3f4f6;border-radius:10px;overflow:hidden}.ep-faq-item.open{border-color:#e5e7eb}.ep-faq-q{text-align:left;color:#1f2937;cursor:pointer;background:0 0;border:none;justify-content:space-between;align-items:center;gap:10px;width:100%;padding:13px 16px;font-size:13.5px;font-weight:600;line-height:1.45;display:flex}.ep-faq-q:hover{color:#1d4ed8}.ep-faq-chevron{color:#9ca3af;flex-shrink:0;transition:transform .18s}.ep-faq-item.open .ep-faq-chevron{transform:rotate(180deg)}.ep-faq-a{color:#4b5563;border-top:1px solid #f3f4f6;margin:0;padding:0 16px 14px;font-size:13px;line-height:1.6}.eo-card{border:1px solid var(--line);background:#fff;border-radius:16px;gap:20px;padding:24px 26px;display:grid}.eo-header{align-items:flex-start;gap:18px;display:flex}.eo-header-text{flex:1;gap:14px;min-width:0;display:grid}.eo-title{color:var(--ink);letter-spacing:-.025em;font-size:20px;font-weight:800;line-height:1.25}.eo-facts{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px;display:grid}.eo-fact{background:var(--line2);border-radius:10px;flex-direction:column;gap:3px;padding:10px 14px;display:flex}.eo-fact-label{color:var(--ink4);text-transform:uppercase;letter-spacing:.05em;font-size:10.5px;font-weight:700}.eo-fact-value{color:var(--ink);font-size:13px;font-weight:600}.eo-fact-link{color:var(--blue);align-items:center;gap:5px;font-size:13px;font-weight:600;text-decoration:none;display:inline-flex}.eo-fact-link:hover{text-decoration:underline}.eo-about{color:var(--ink2);font-size:13.5px;line-height:1.7}@media (width<=540px){.eo-card{padding:18px 16px}.eo-header{flex-direction:column;gap:12px}.eo-facts{grid-template-columns:1fr 1fr}}html{scrollbar-gutter:stable}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#00000021;border-radius:999px}::-webkit-scrollbar-thumb:hover{background:#0000003d}html{scrollbar-width:thin;scrollbar-color:#00000021 transparent}.vault-app .public-page,.vault-app .paper-seo-page{background:0 0;padding:0}.db-recent-panel{border:1px solid var(--line);background:#fff;border-radius:14px;max-width:640px;overflow:hidden}.ep-enroll-btn{border:1.5px solid var(--line);height:36px;color:var(--ink3);cursor:pointer;white-space:nowrap;background:#fff;border-radius:10px;flex-shrink:0;align-self:flex-start;align-items:center;gap:6px;padding:0 16px;font-size:13px;font-weight:700;transition:border-color .14s,background .14s,color .14s;display:inline-flex}.ep-enroll-btn:hover{border-color:var(--ink3);color:var(--ink)}.ep-enroll-btn.enrolled{border-color:var(--green,#16a34a);color:#16a34a;background:#f0fdf4}.ep-enroll-btn.enrolled:hover{color:#dc2626;background:#fef2f2;border-color:#dc2626}.ep-enroll-btn:disabled{opacity:.55;cursor:not-allowed}.enb{border:1px solid var(--line);background:#fff;border-radius:12px;align-items:stretch;gap:0;width:fit-content;padding:4px;display:flex}.enb-tab{height:38px;color:var(--ink3);white-space:nowrap;border-radius:9px;align-items:center;gap:7px;padding:0 18px;font-size:13px;font-weight:700;text-decoration:none;transition:background .13s,color .13s;display:inline-flex}.enb-tab:hover{background:var(--line2);color:var(--ink)}.enb-tab.active{background:var(--ink);color:#fff}@media (width<=540px){.enb{width:100%}.enb-tab{flex:1;justify-content:center;padding:0 12px;font-size:12.5px}}.ov-layout{grid-template-columns:1fr 272px;align-items:start;gap:20px;margin-top:20px;display:grid}.ov-main{gap:16px;display:grid}.ov-sidebar{gap:14px;display:grid;position:sticky;top:72px}.ov-section{border:1px solid var(--line);background:#fff;border-radius:12px;overflow:hidden}.ov-section-head{border-bottom:1px solid var(--line2);align-items:center;gap:9px;padding:12px 18px;display:flex}.ov-section-icon{color:var(--ink3);flex-shrink:0}.ov-section-title{color:var(--ink);letter-spacing:-.015em;font-size:13.5px;font-weight:800}.ov-section-body{padding:16px 18px}.ov-section-body--tight{padding:8px 10px}.ov-section-note{border-top:1px solid var(--line2);color:var(--ink4);padding:10px 18px;font-size:12px;line-height:1.55}.ov-table-wrap{overflow-x:auto}.ov-table{border-collapse:collapse;width:100%;font-size:13px}.ov-table th{background:var(--line2);text-align:left;color:var(--ink3);text-transform:uppercase;letter-spacing:.04em;white-space:nowrap;padding:9px 14px;font-size:11px;font-weight:700}.ov-table td{border-bottom:1px solid var(--line2);color:var(--ink2);vertical-align:top;padding:10px 14px;line-height:1.5}.ov-table tr:last-child td{border-bottom:none}.ov-table tr.ov-table-total td{color:var(--ink);background:var(--line2);font-weight:700}.ov-updates{flex-direction:column;display:flex}.ov-update{border-bottom:1px solid var(--line2);grid-template-columns:72px 1fr;gap:12px;padding:12px 0;display:grid}.ov-update:last-child{border-bottom:none}.ov-update-date{color:var(--ink4);white-space:nowrap;padding-top:2px;font-size:11px;font-weight:700}.ov-update-text{color:var(--ink2);font-size:13px;line-height:1.5}.ov-update-link{color:var(--blue);margin-top:4px;font-size:12px;font-weight:600;text-decoration:none;display:inline-block}.ov-update-link:hover{text-decoration:underline}.ov-eligibility{gap:14px;display:grid}.ov-elig-item{gap:3px;display:grid}.ov-elig-label{color:var(--ink4);text-transform:uppercase;letter-spacing:.04em;font-size:11px;font-weight:700}.ov-elig-value{color:var(--ink2);font-size:13px;line-height:1.6}.ov-steps{counter-reset:ov-step;flex-direction:column;list-style:none;display:flex}.ov-step{border-bottom:1px solid var(--line2);counter-increment:ov-step;align-items:flex-start;gap:12px;padding:11px 0;display:flex}.ov-step:last-child{border-bottom:none}.ov-step:before{content:counter(ov-step);background:var(--ink);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;min-width:22px;height:22px;margin-top:1px;font-size:11px;font-weight:800;display:flex}.ov-step-text{color:var(--ink2);font-size:13px;line-height:1.55}.ov-links{flex-direction:column;gap:1px;display:flex}.ov-link{color:var(--ink);border-radius:8px;align-items:center;gap:8px;padding:9px 10px;font-size:13px;font-weight:600;text-decoration:none;transition:background .12s;display:flex}.ov-link:hover{background:var(--line2)}.ov-link-ext{color:var(--ink4);flex-shrink:0;margin-left:auto}.ov-sidebar-cta{background:var(--ink);border-radius:12px;gap:12px;padding:18px 16px;display:grid}.ov-sidebar-cta-text{color:#ffffffbf;font-size:13px;font-weight:500;line-height:1.55}.ov-sidebar-cta-btn{background:var(--hl);height:38px;color:var(--ink);border-radius:9px;justify-content:center;align-items:center;font-size:13px;font-weight:800;text-decoration:none;transition:opacity .13s;display:flex}.ov-sidebar-cta-btn:hover{opacity:.88}@media (width<=780px){.ov-layout{grid-template-columns:1fr}.ov-sidebar{order:10;position:static}}.ep-hero{border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;border-radius:16px;justify-content:space-between;align-items:flex-start;gap:20px;padding:24px 26px;display:flex}.ep-hero-left{flex:1;align-items:flex-start;gap:18px;min-width:0;display:flex}.ep-hero-icon{flex-shrink:0;margin-top:2px;font-size:40px;line-height:1}.ep-hero-info{gap:6px;min-width:0;display:grid}.ep-hero-info h1{color:var(--ink);letter-spacing:-.025em;font-size:22px;font-weight:800;line-height:1.2}.ep-stats-row{flex-wrap:wrap;gap:7px;margin-top:2px;display:flex}.ep-stat-chip{color:var(--ink3);background:var(--line2);border-radius:100px;align-items:center;gap:4px;padding:3px 9px;font-size:11px;font-weight:700;display:inline-flex}.ep-tab-bar{background:var(--line2);border-radius:12px;gap:4px;width:fit-content;padding:4px;display:flex}.ep-tab-bar .ep-tab{height:36px;color:var(--ink3);cursor:pointer;background:0 0;border:none;border-radius:9px;align-items:center;gap:7px;padding:0 16px;font-size:13px;font-weight:700;transition:all .15s;display:inline-flex}.ep-tab-bar .ep-tab.active{color:var(--ink);box-shadow:var(--shadow);background:#fff}.ep-tab-count{background:var(--line);color:var(--ink4);border-radius:100px;padding:1px 7px;font-size:11px;font-weight:700}.ep-tab-bar .ep-tab.active .ep-tab-count{background:var(--ink);color:#fff}.ep-mock-card.ep-mock-beginner{border-top:3px solid #16a34a}.ep-mock-card.ep-mock-moderate{border-top:3px solid #d97706}.ep-mock-card.ep-mock-advanced{border-top:3px solid #dc2626}.ep-preview-btn{height:32px;color:var(--ink3);background:var(--line2);border-radius:8px;align-items:center;padding:0 14px;font-size:12px;font-weight:600;text-decoration:none;transition:background .13s,color .13s;display:inline-flex}.ep-preview-btn:hover{background:var(--line);color:var(--ink)}.ep-mock-footer{align-items:center;gap:8px;margin-top:4px;display:flex}.ec-card-cta{color:var(--ink3);margin-top:4px;font-size:12px;font-weight:700;transition:color .13s}.ec-card:hover .ec-card-cta{color:var(--ink)}@media (width<=700px){.ep-hero{flex-direction:column;gap:14px}.ep-hero-left{flex-direction:row}.ep-enroll-btn{width:100%}.ep-tab-bar{width:100%;overflow-x:auto}}.ts-page{gap:22px;display:grid}.ts-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:flex-start;gap:20px;padding-bottom:20px;display:flex}.ts-header h1{letter-spacing:-.025em;color:var(--ink);margin:4px 0 6px;font-size:clamp(20px,2.5vw,26px);font-weight:700}.ts-header small{color:var(--ink3);text-transform:uppercase;letter-spacing:.04em;font-size:12px}.ts-header p{color:var(--ink3);margin:0;font-size:13.5px}.ts-header-stats{flex-shrink:0;gap:24px;display:flex}.ts-stat{flex-direction:column;align-items:flex-end;gap:2px;display:flex}.ts-stat strong{color:var(--ink);font-size:22px;font-weight:700;line-height:1}.ts-stat span{color:var(--ink3);white-space:nowrap;font-size:11px}.ts-tabs{background:var(--line2);border-radius:10px;gap:4px;width:fit-content;padding:4px;display:flex}.ts-tab{color:var(--ink3);cursor:pointer;background:0 0;border:none;border-radius:7px;align-items:center;gap:6px;padding:7px 16px;font-size:13.5px;font-weight:600;transition:background .14s,color .14s;display:inline-flex}.ts-tab.active{color:var(--ink);background:#fff;box-shadow:0 1px 4px #00000014}.ts-tab-count{background:var(--line);min-width:20px;height:18px;color:var(--ink3);border-radius:99px;justify-content:center;align-items:center;padding:0 5px;font-size:11px;font-weight:700;display:inline-flex}.ts-tab.active .ts-tab-count{color:var(--ink);background:#00000012}.ts-filter-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.ts-select{border:1.5px solid var(--line);height:36px;color:var(--ink);cursor:pointer;background:#fff;border-radius:8px;outline:none;padding:0 10px;font-size:13px;transition:border-color .14s}.ts-select:focus{border-color:var(--ink3)}.ts-diff-pills{gap:6px;display:flex}.ts-diff-pill{border:1.5px solid var(--line);height:32px;color:var(--ink3);cursor:pointer;background:#fff;border-radius:8px;padding:0 12px;font-size:12.5px;font-weight:600;transition:border-color .13s,background .13s,color .13s}.ts-diff-pill.active,.ts-diff-pill:hover{border-color:var(--ink3);background:var(--ink);color:#fff}.ts-search{border:1.5px solid var(--line);background:#fff;border-radius:8px;flex:1;align-items:center;gap:7px;min-width:140px;max-width:280px;height:36px;padding:0 10px;transition:border-color .14s;display:flex}.ts-search:focus-within{border-color:var(--ink3)}.ts-search input{color:var(--ink);background:0 0;border:none;outline:none;flex:1;font-size:13px}.ts-search button{cursor:pointer;color:var(--ink3);background:0 0;border:none;align-items:center;padding:0;display:flex}.ts-results-bar{color:var(--ink3);justify-content:space-between;align-items:center;gap:12px;font-size:13px;display:flex}.ts-clear-btn{color:var(--ink3);cursor:pointer;background:0 0;border:none;padding:0;font-size:13px;font-weight:600;text-decoration:underline}.ts-empty{color:var(--ink3);text-align:center;padding:32px 0;font-size:14px}.ts-mock-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;display:grid}.ts-mock-card{border:1px solid var(--line);background:#fff;border-top-width:3px;border-radius:12px;flex-direction:column;gap:8px;padding:16px;display:flex}.ts-mock-card.diff-beginner{border-top-color:#16a34a}.ts-mock-card.diff-moderate{border-top-color:#d97706}.ts-mock-card.diff-advanced{border-top-color:#dc2626}.ts-mock-top{align-items:center;gap:6px;display:flex}.ts-diff-badge{text-transform:uppercase;letter-spacing:.04em;border-radius:99px;padding:2px 8px;font-size:11px;font-weight:700;display:inline-block}.ts-diff-badge.beginner{color:#15803d;background:#dcfce7}.ts-diff-badge.moderate{color:#b45309;background:#fef3c7}.ts-diff-badge.advanced{color:#b91c1c;background:#fee2e2}.ts-free-badge{color:#1d4ed8;background:#eff6ff;border-radius:99px;padding:2px 8px;font-size:11px;font-weight:700;display:inline-block}.ts-mock-title{color:var(--ink);font-size:14.5px;font-weight:700;line-height:1.3}.ts-mock-exam{color:var(--ink3);margin:0;font-size:12px}.ts-mock-desc{color:var(--ink3);flex:1;margin:0;font-size:12.5px;line-height:1.5}.ts-mock-meta{color:var(--ink3);gap:14px;font-size:12px;display:flex}.ts-mock-meta span{align-items:center;gap:4px;display:flex}.ts-mock-footer{margin-top:auto;padding-top:4px}.ts-start-btn{background:var(--ink);color:#fff;cursor:pointer;border:none;border-radius:8px;align-items:center;height:34px;padding:0 18px;font-size:13px;font-weight:700;text-decoration:none;transition:opacity .13s;display:inline-flex}.ts-start-btn:hover{opacity:.85}.ts-paper-list{flex-direction:column;gap:6px;display:flex}.ts-paper-row{border:1px solid var(--line);background:#fff;border-radius:10px;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;text-decoration:none;transition:border-color .13s,box-shadow .13s;display:flex}.ts-paper-row:hover{border-color:var(--ink3);box-shadow:0 2px 8px #0000000f}.ts-paper-left{align-items:flex-start;gap:10px;min-width:0;display:flex}.ts-paper-icon{color:var(--ink3);flex-shrink:0;margin-top:2px}.ts-paper-left strong{color:var(--ink);font-size:14px;font-weight:700;display:block}.ts-paper-left small{color:var(--ink3);margin-top:2px;font-size:12px;display:block}.ts-paper-subjects{flex-wrap:wrap;gap:4px;margin-top:5px;display:flex}.ts-paper-subjects span{background:var(--line2);color:var(--ink3);border-radius:6px;padding:2px 7px;font-size:11px;display:inline-block}.ts-paper-right{flex-shrink:0;align-items:center;gap:8px;display:flex}.ts-paper-count{color:var(--ink3);white-space:nowrap;font-size:12px;font-weight:600}.ts-paper-arrow{color:var(--ink3);align-items:center;display:flex}@media (width<=640px){.ts-header{flex-direction:column;gap:14px}.ts-header-stats{flex-direction:row;justify-content:flex-start}.ts-stat{align-items:flex-start}.ts-filter-row{flex-direction:column;align-items:stretch}.ts-search{max-width:100%}.ts-mock-grid{grid-template-columns:1fr}}.db-page{gap:24px;display:grid}.db-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:flex-start;gap:20px;padding-bottom:20px;display:flex}.db-header-left h1{letter-spacing:-.025em;color:var(--ink);margin:0 0 6px;font-size:clamp(20px,2.5vw,26px);font-weight:700}.db-header-left p{color:var(--ink3);margin:0;font-size:13.5px}.db-header-stats{flex-shrink:0;gap:24px;display:flex}.db-header-stat{flex-direction:column;align-items:flex-end;gap:2px;display:flex}.db-header-stat strong{color:var(--ink);font-size:22px;font-weight:700;line-height:1}.db-header-stat span{color:var(--ink3);white-space:nowrap;font-size:11px}.db-section{gap:14px;display:grid}.db-section-head{justify-content:space-between;align-items:flex-end;gap:12px;display:flex}.db-section-head small{text-transform:uppercase;letter-spacing:.06em;color:var(--ink3);margin-bottom:3px;font-size:11px;font-weight:600;display:block}.db-section-head h2{color:var(--ink);letter-spacing:-.015em;margin:0;font-size:16px;font-weight:700}.db-section-link{color:var(--ink3);white-space:nowrap;font-size:12.5px;font-weight:600;text-decoration:none;transition:color .13s}.db-section-link:hover{color:var(--ink)}.db-enrolled-row{flex-wrap:wrap;gap:10px;display:flex}.db-enrolled-chip{border:1.5px solid var(--line);background:#fff;border-radius:12px;align-items:center;gap:10px;min-width:160px;padding:10px 14px;text-decoration:none;transition:border-color .13s,box-shadow .13s;display:flex}.db-enrolled-chip:hover{border-color:var(--ink3);box-shadow:0 2px 8px #0000000f}.db-chip-icon{flex-shrink:0;font-size:22px;line-height:1}.db-enrolled-chip strong{color:var(--ink);font-size:13px;font-weight:700;display:block}.db-enrolled-chip small{color:var(--ink3);margin-top:1px;font-size:11px;display:block}.db-add-chip{border-style:dashed;border-color:var(--line);color:var(--ink3)}.db-add-chip:hover{border-color:var(--ink3)}.db-add-chip strong{color:var(--ink3)}.db-add-chip .db-chip-icon{color:var(--ink3);font-size:18px}.db-viewed-row{flex-wrap:wrap;gap:8px;display:flex}.db-viewed-chip{border:1px solid var(--line);color:var(--ink);background:#fff;border-radius:99px;align-items:center;gap:6px;padding:6px 12px;font-size:13px;font-weight:600;text-decoration:none;transition:border-color .13s,background .13s;display:inline-flex}.db-viewed-chip:hover{border-color:var(--ink3);background:var(--paper)}.db-viewed-chip span{font-size:16px}.db-attempt-list{flex-direction:column;gap:6px;display:flex}.db-attempt-row{border:1px solid var(--line);background:#fff;border-radius:10px;align-items:center;gap:12px;padding:11px 14px;text-decoration:none;transition:border-color .13s,box-shadow .13s;display:flex}.db-attempt-row:hover{border-color:var(--ink3);box-shadow:0 2px 6px #0000000d}.db-attempt-badge{border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;display:flex}.db-attempt-badge.paper{color:#2563eb;background:#eff6ff}.db-attempt-badge.mock{color:#16a34a;background:#f0fdf4}.db-attempt-info{flex:1;min-width:0}.db-attempt-info strong{color:var(--ink);white-space:nowrap;text-overflow:ellipsis;font-size:13.5px;font-weight:700;display:block;overflow:hidden}.db-attempt-info small{color:var(--ink3);margin-top:1px;font-size:11.5px;display:block}.db-attempt-qs{color:var(--ink3);white-space:nowrap;flex-shrink:0;font-size:11.5px;font-weight:700}.db-attempts-empty{border:1.5px dashed var(--line);background:var(--paper);border-radius:12px;align-items:center;gap:16px;padding:20px;display:flex}.db-attempts-empty p{color:var(--ink3);flex:1;margin:0;font-size:13.5px}.db-enroll-cta{border:1.5px dashed var(--line);background:var(--paper);color:var(--ink3);border-radius:12px;align-items:center;gap:16px;padding:20px;display:flex}.db-enroll-cta>div{flex:1}.db-enroll-cta strong{color:var(--ink);margin-bottom:3px;font-size:14px;display:block}.db-enroll-cta p{color:var(--ink3);margin:0;font-size:13px}.db-enroll-btn{background:var(--ink);color:#fff;white-space:nowrap;border-radius:8px;flex-shrink:0;align-items:center;height:34px;padding:0 16px;font-size:13px;font-weight:700;text-decoration:none;transition:opacity .13s;display:inline-flex}.db-enroll-btn:hover{opacity:.85}.db-error-shell{place-items:center;min-height:320px;display:grid}.db-error-card{border:1px solid var(--line);text-align:center;background:#fff;border-radius:16px;flex-direction:column;align-items:center;gap:10px;padding:32px 28px;display:flex}.db-error-card strong{color:var(--ink);font-size:15px}.db-error-card p{color:var(--ink3);margin:0;font-size:13px}.db-error-card button{border:1.5px solid var(--line);height:34px;color:var(--ink);cursor:pointer;background:#fff;border-radius:8px;margin-top:4px;padding:0 18px;font-size:13px;font-weight:600;transition:border-color .13s}.db-error-card button:hover{border-color:var(--ink)}@media (width<=640px){.db-header{flex-direction:column;gap:14px}.db-header-stats{flex-direction:row;justify-content:flex-start;gap:20px}.db-header-stat{align-items:flex-start}.db-enrolled-row{flex-direction:column}.db-enrolled-chip{width:100%;min-width:0}.db-attempts-empty,.db-enroll-cta{flex-direction:column;align-items:flex-start}.db-page{gap:18px}}.ec-page{gap:22px;width:min(1100px,100%);margin:0 auto;display:grid}.ec-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:flex-start;gap:20px;padding-bottom:20px;display:flex}.ec-header-left small{text-transform:uppercase;letter-spacing:.06em;color:var(--ink3);margin-bottom:4px;font-size:11px;font-weight:600;display:block}.ec-header-left h1{letter-spacing:-.025em;color:var(--ink);margin:0 0 6px;font-size:clamp(20px,2.5vw,26px);font-weight:700}.ec-header-left p{color:var(--ink3);margin:0;font-size:13.5px}.ec-header-stats{flex-shrink:0;gap:24px;display:flex}.ec-stat{flex-direction:column;align-items:flex-end;gap:2px;display:flex}.ec-stat strong{color:var(--ink);font-size:22px;font-weight:700;line-height:1}.ec-stat span{color:var(--ink3);white-space:nowrap;font-size:11px}.ec-filter-bar{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.ec-category-tabs{flex-wrap:wrap;flex:1;gap:6px;display:flex}.ec-cat-tab{border:1.5px solid var(--line);height:32px;color:var(--ink3);cursor:pointer;white-space:nowrap;background:#fff;border-radius:8px;align-items:center;gap:5px;padding:0 12px;font-size:12.5px;font-weight:600;transition:border-color .13s,background .13s,color .13s;display:inline-flex}.ec-cat-tab.active,.ec-cat-tab:hover{border-color:var(--ink);background:var(--ink);color:#fff}.ec-search{border:1.5px solid var(--line);background:#fff;border-radius:8px;align-items:center;gap:7px;min-width:180px;max-width:260px;height:36px;padding:0 10px;transition:border-color .14s;display:flex}.ec-search:focus-within{border-color:var(--ink3)}.ec-search input{color:var(--ink);background:0 0;border:none;outline:none;flex:1;font-size:13px}.ec-search button{cursor:pointer;color:var(--ink3);background:0 0;border:none;align-items:center;padding:0;display:flex}.ec-results-bar{color:var(--ink3);justify-content:space-between;align-items:center;font-size:13px;display:flex}.ec-clear-btn{color:var(--ink3);cursor:pointer;background:0 0;border:none;padding:0;font-size:13px;font-weight:600;text-decoration:underline}.ec-empty{color:var(--ink3);text-align:center;padding:32px 0;font-size:14px}.ec-error{text-align:center;border:1px solid var(--line);background:#fff;border-radius:16px;justify-items:center;gap:10px;padding:60px 24px;display:grid}.ec-error strong{color:var(--ink);font-size:16px;font-weight:700}.ec-error p{color:var(--ink3);max-width:340px;font-size:14px}.ec-error button{border:1.5px solid var(--ink);background:var(--ink);color:#fff;cursor:pointer;border-radius:10px;height:38px;margin-top:4px;padding:0 20px;font-size:13px;font-weight:700}.ec-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;display:grid}.ec-card{border:1.5px solid var(--line);background:#fff;border-radius:14px;flex-direction:column;gap:6px;padding:16px;text-decoration:none;transition:border-color .14s,box-shadow .14s,transform .14s;display:flex;position:relative}.ec-card:hover{border-color:var(--ink3);transform:translateY(-2px);box-shadow:0 4px 16px #00000014}.ec-card.enrolled{background:#f0fdf4;border-color:#16a34a}.ec-card-top{justify-content:space-between;align-items:flex-start;margin-bottom:4px;display:flex}.ec-card-icon{font-size:26px;line-height:1}.ec-enrolled-check{color:#16a34a;flex-shrink:0;margin-top:4px}.ec-card-name{color:var(--ink);letter-spacing:-.01em;font-size:15px;font-weight:700;line-height:1.2}.ec-card-full{color:var(--ink3);flex:1;margin:0;font-size:11.5px;line-height:1.4}.ec-card-meta{flex-wrap:wrap;gap:5px;margin-top:4px;display:flex}.ec-card-meta span{background:var(--line2);color:var(--ink3);border-radius:6px;padding:2px 7px;font-size:11px;font-weight:600;display:inline-block}.ec-card.enrolled .ec-card-meta span{color:#15803d;background:#dcfce7}@media (width<=640px){.ec-header{flex-direction:column;gap:14px}.ec-header-stats{flex-direction:row;justify-content:flex-start}.ec-stat{align-items:flex-start}.ec-search{width:100%;min-width:0;max-width:100%}.ec-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=400px){.ec-grid{grid-template-columns:1fr}}.pa-attempt-page{background:#f4f5f7;grid-template-rows:52px minmax(0,1fr);height:100dvh;display:grid;overflow:hidden}.pa-topbar{color:#e4e4e7;z-index:20;background:#1a1a2e;border-bottom:1px solid #ffffff14;align-items:center;gap:12px;padding:0 20px;display:flex}.pa-topbar-left{flex-direction:column;flex:1;gap:1px;min-width:0;display:flex}.pa-topbar-left small{color:#71717a;text-transform:uppercase;letter-spacing:.08em;font-size:10px}.pa-topbar-left strong{white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:700;overflow:hidden}.pa-topbar-center{flex-shrink:0}.pa-topbar-right{flex-shrink:0;align-items:center;gap:8px;display:flex}.pa-timer{font-variant-numeric:tabular-nums;color:#e4e4e7;background:#ffffff14;border-radius:20px;align-items:center;gap:6px;padding:5px 14px;font-size:15px;font-weight:700;display:flex}.pa-timer.warning{color:#fca5a5;background:#7f1d1d;animation:1s infinite pa-pulse}@keyframes pa-pulse{0%,to{opacity:1}50%{opacity:.65}}.pa-submit-topbar-btn{color:#fff;cursor:pointer;background:#2563eb;border:none;border-radius:8px;height:34px;padding:0 16px;font-size:12px;font-weight:700;transition:background .15s}.pa-submit-topbar-btn:hover{background:#1d4ed8}.pa-review-badge{color:#c4b5fd;background:#7c3aed40;border-radius:20px;padding:4px 10px;font-size:11px;font-weight:700}.pa-exit-btn{color:#e4e4e7;cursor:pointer;background:#ffffff1a;border:none;border-radius:7px;height:30px;padding:0 12px;font-size:12px;font-weight:600}.pa-attempt-body{grid-template-columns:1fr 280px;display:grid;overflow:hidden}.pa-question-panel{background:#fff;border-right:1px solid #e5e7eb;flex-direction:column;display:flex;overflow:hidden}.pa-question-scroll{flex:1;padding:20px 28px 12px;overflow-y:auto}.pa-q-header{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:18px;display:flex}.pa-q-num{color:#374151;font-size:13px;font-weight:700}.pa-q-num small{color:#9ca3af;font-weight:400}.pa-q-subject{color:#1d4ed8;background:#eff6ff;border-radius:12px;margin-left:auto;padding:3px 9px;font-size:11px;font-weight:700;text-decoration:none}.pa-q-subject-link:hover{cursor:pointer;background:#dbeafe}.pa-mark-btn{color:#374151;cursor:pointer;background:#fff;border:1.5px solid #d1d5db;border-radius:7px;align-items:center;gap:5px;height:28px;padding:0 10px;font-size:11px;font-weight:600;transition:border-color .15s,background .15s,color .15s;display:flex}.pa-mark-btn.active{color:#7c3aed;background:#f5f3ff;border-color:#7c3aed}.pa-q-text{color:#111827;flex:1;margin-bottom:20px;font-size:15px;line-height:1.7}.pa-options{gap:10px;margin-bottom:16px;display:grid}.pa-option{color:#1f2937;text-align:left;cursor:pointer;background:#fafafa;border:1.5px solid #e5e7eb;border-radius:10px;align-items:flex-start;gap:12px;width:100%;padding:12px 14px;font-size:14px;transition:border-color .15s,background .15s;display:flex}.pa-option:hover{background:#eff6ff;border-color:#93c5fd}.pa-option.selected{color:#1d4ed8;background:#eff6ff;border-color:#2563eb}.pa-option.correct{color:#15803d;background:#f0fdf4;border-color:#16a34a}.pa-option.wrong{color:#b91c1c;background:#fef2f2;border-color:#dc2626}.pa-opt-key{opacity:.7;border:1.5px solid;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;font-size:11px;font-weight:800;display:inline-flex}.pa-opt-check{flex-shrink:0;margin-left:auto}.pa-clear-btn{color:#6b7280;cursor:pointer;background:0 0;border:none;align-self:flex-start;margin-bottom:8px;padding:0;font-size:12px;text-decoration:underline}.pa-not-attempted{color:#854d0e;background:#fef9c3;border-radius:8px;margin-bottom:12px;padding:10px 14px;font-size:13px}.pa-explanation{background:#f0f9ff;border:1px solid #bae6fd;border-radius:10px;margin-bottom:12px;padding:14px 16px}.pa-explanation strong{color:#0369a1;text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px;font-size:12px;font-weight:700;display:block}.pa-explanation span{color:#1e3a5f;font-size:13px;line-height:1.6}.pa-deleted-notice{background:#fef2f2;border:1px solid #fecaca;border-radius:10px;margin-bottom:12px;padding:14px 16px}.pa-deleted-badge{letter-spacing:.05em;color:#fff;background:#dc2626;border-radius:99px;margin-bottom:8px;padding:3px 10px;font-size:11px;font-weight:700;display:inline-block}.pa-deleted-notice p{color:#7f1d1d;margin:0;font-size:13px;line-height:1.6}.pa-palette-btn.deleted{color:#6b7280;background:#e5e7eb;border-color:#d1d5db;text-decoration:line-through}.pa-q-actions{background:#fff;border-top:1px solid #e5e7eb;flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;padding:12px 28px;display:flex}.pa-q-progress{color:#6b7280;font-size:12px}.pa-nav-btn{color:#374151;cursor:pointer;background:#fff;border:1.5px solid #e5e7eb;border-radius:8px;align-items:center;gap:6px;height:38px;padding:0 18px;font-size:13px;font-weight:600;transition:border-color .15s,background .15s;display:flex}.pa-nav-btn:hover:not(:disabled){background:#f9fafb;border-color:#d1d5db}.pa-nav-btn:disabled{opacity:.4;cursor:not-allowed}.pa-nav-btn.primary{color:#fef3c7;background:#111827;border-color:#111827}.pa-nav-btn.primary:hover:not(:disabled){background:#1f2937}.pa-palette-panel{background:#f9fafb;border-left:1px solid #e5e7eb;flex-direction:column;gap:12px;padding:16px 14px;display:flex;overflow-y:auto}.pa-palette-stats{flex-wrap:wrap;gap:6px;display:flex}.pa-stat-chip{border-radius:8px;align-items:center;gap:4px;padding:4px 8px;font-size:12px;font-weight:700;display:flex}.pa-stat-chip.answered{color:#15803d;background:#dcfce7}.pa-stat-chip.marked{color:#7c3aed;background:#f5f3ff}.pa-stat-chip.wrong{color:#b91c1c;background:#fef2f2}.pa-palette-legend{color:#6b7280;grid-template-columns:auto 1fr;align-items:center;gap:4px 8px;font-size:11px;display:grid}.pa-legend-dot{border-radius:4px;flex-shrink:0;width:14px;height:14px}.pa-legend-dot.not-visited{background:#e5e7eb}.pa-legend-dot.visited{background:#fecaca}.pa-legend-dot.answered{background:#86efac}.pa-legend-dot.marked{background:#c4b5fd}.pa-legend-dot.answered-marked{background:#a855f7}.pa-legend-dot.wrong{background:#fca5a5}.pa-palette-grid{grid-template-columns:repeat(5,1fr);gap:6px;display:grid}.pa-palette-btn{aspect-ratio:1;cursor:pointer;border:none;border-radius:6px;font-size:12px;font-weight:700;transition:transform .1s,box-shadow .1s}.pa-palette-btn:hover{transform:scale(1.05);box-shadow:0 2px 6px #0000001a}.pa-palette-btn.not-visited{color:#374151;background:#e5e7eb}.pa-palette-btn.visited{color:#7f1d1d;background:#fecaca}.pa-palette-btn.answered{color:#14532d;background:#86efac}.pa-palette-btn.marked{color:#4c1d95;background:#c4b5fd}.pa-palette-btn.answered-marked{color:#fff;background:#a855f7}.pa-palette-btn.wrong{color:#7f1d1d;background:#fca5a5}.pa-palette-btn.current{outline-offset:1px;outline:2.5px solid #2563eb}.pa-submit-palette-btn{color:#fff;cursor:pointer;background:#2563eb;border:none;border-radius:10px;width:100%;height:40px;margin-top:auto;font-size:13px;font-weight:700;transition:background .15s}.pa-submit-palette-btn:hover{background:#1d4ed8}.pa-exit-link{text-align:center;color:#6b7280;padding:6px 0;font-size:12px;text-decoration:none;display:block}.pa-exit-link:hover{color:#374151}.pa-back-results-btn{color:#374151;cursor:pointer;background:#fff;border:1.5px solid #e5e7eb;border-radius:9px;justify-content:center;align-items:center;gap:6px;width:100%;height:36px;margin-top:auto;font-size:12px;font-weight:600;display:flex}.pa-confirm-overlay{z-index:100;background:#00000080;place-items:center;display:grid;position:fixed;inset:0}.pa-confirm-dialog{background:#fff;border-radius:16px;width:min(440px,90vw);padding:28px 24px;box-shadow:0 20px 60px #0000002e}.pa-confirm-dialog h2{color:#111827;margin-bottom:10px;font-size:18px;font-weight:700}.pa-confirm-dialog p{color:#374151;margin-bottom:6px;font-size:14px}.pa-confirm-warn{color:#854d0e;background:#fef9c3;border-radius:8px;align-items:center;gap:6px;margin-bottom:10px;padding:8px 12px;font-size:13px;display:flex}.pa-confirm-actions{gap:10px;margin-top:20px;display:flex}.pa-confirm-submit{color:#fff;cursor:pointer;background:#2563eb;border:none;border-radius:10px;flex:1;height:42px;font-size:14px;font-weight:700}.pa-confirm-cancel{color:#374151;cursor:pointer;background:#f3f4f6;border:none;border-radius:10px;flex:1;height:42px;font-size:14px;font-weight:600}.pa-result-page{background:#f4f5f7;flex-direction:column;height:100dvh;display:flex;overflow:hidden}.pa-result-header{color:#e4e4e7;background:#1a1a2e;flex-shrink:0;align-items:center;gap:12px;padding:14px 24px;display:flex}.pa-result-header-text small{color:#71717a;text-transform:uppercase;letter-spacing:.08em;font-size:10px;display:block}.pa-result-header-text h1{white-space:nowrap;text-overflow:ellipsis;margin:2px 0 0;font-size:14px;font-weight:700;overflow:hidden}.pa-result-icon{color:#4ade80;flex-shrink:0}.pa-result-body{flex:1;grid-template-columns:280px 1fr;gap:0;display:grid;overflow:hidden}.pa-score-panel{text-align:center;background:#fff;border-right:1px solid #e5e7eb;flex-direction:column;justify-content:center;align-items:center;gap:10px;padding:24px 20px;display:flex}.pa-score-ring{align-items:baseline;gap:4px;display:flex}.pa-score-ring strong{color:#111827;font-size:64px;font-weight:800;line-height:1}.pa-score-ring span{color:#9ca3af;font-size:22px}.pa-score-pct{color:#2563eb;margin:0;font-size:28px;font-weight:800;line-height:1}.pa-score-label{color:#9ca3af;margin:-4px 0 4px;font-size:12px}.pa-score-stats{gap:8px;margin-top:4px;display:flex}.pa-stat{border-radius:10px;flex-direction:column;align-items:center;gap:2px;min-width:56px;padding:8px 14px;display:flex}.pa-stat span{font-size:22px;font-weight:800;line-height:1}.pa-stat small{text-transform:uppercase;letter-spacing:.04em;font-size:10px;font-weight:600}.pa-stat--c{color:#15803d;background:#f0fdf4}.pa-stat--w{color:#b91c1c;background:#fef2f2}.pa-stat--s{color:#92400e;background:#fffbeb}.pa-score-meta{margin-top:4px}.pa-negmark-note{color:#6b7280;margin:3px 0;font-size:11.5px}.pa-time-taken{color:#6b7280;margin:3px 0;font-size:12px;font-weight:500}.pa-subject-panel{flex-direction:column;padding:20px 24px;display:flex;overflow-y:auto}.pa-subject-table{border-collapse:collapse;width:100%}.pa-subject-table th{text-transform:uppercase;letter-spacing:.06em;color:#6b7280;text-align:left;background:#f4f5f7;border-bottom:2px solid #e5e7eb;padding:8px 12px;font-size:11px;font-weight:700;position:sticky;top:0}.pa-subject-table td{color:#374151;border-bottom:1px solid #f1f5f9;padding:11px 12px;font-size:13px}.pa-subject-table tr:last-child td{border-bottom:none}.pa-subject-table td.correct{color:#16a34a;font-weight:700}.pa-subject-table td.wrong{color:#dc2626;font-weight:700}.pa-subject-table td.skipped{color:#d97706}.pa-subject-empty{color:#9ca3af;padding:20px 0;font-size:13px}.pa-result-footer{background:#fff;border-top:1px solid #e5e7eb;flex-shrink:0;align-items:center;gap:10px;padding:14px 24px;display:flex}.pa-btn-review{color:#fff;cursor:pointer;background:#2563eb;border:none;border-radius:8px;align-items:center;gap:6px;height:40px;padding:0 20px;font-size:13px;font-weight:700;display:flex}.pa-btn-review:hover{background:#1d4ed8}.pa-btn-secondary{color:#374151;cursor:pointer;background:#fff;border:1.5px solid #e5e7eb;border-radius:8px;height:40px;padding:0 18px;font-size:13px;font-weight:600}.pa-btn-secondary:hover{background:#f9fafb}.pa-empty-q{color:#9ca3af;flex-direction:column;align-items:center;gap:10px;padding:40px;font-size:14px;display:flex}@media (width<=768px){.pa-attempt-body{grid-template-columns:1fr}.pa-palette-panel{border-bottom:1px solid #e5e7eb;border-left:none;order:-1;max-height:200px}.pa-topbar-center{display:none}.pa-topbar-right .pa-timer{font-size:13px;display:flex}.pa-result-page{height:auto;min-height:100dvh;overflow:auto}.pa-result-body{grid-template-columns:1fr;overflow:visible}.pa-score-panel{border-bottom:1px solid #e5e7eb;border-right:none;padding:28px 20px}.pa-subject-panel{padding:20px;overflow:visible}.pa-result-footer{flex-wrap:wrap}}.logout-overlay{z-index:9999;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#18181bb8;place-items:center;display:grid;position:fixed;inset:0}.logout-overlay-inner{color:#fff;flex-direction:column;align-items:center;gap:14px;display:flex}.logout-overlay-inner span{letter-spacing:.01em;color:#ffffffd9;font-size:15px;font-weight:600}.logout-spinner{color:#fde047;stroke-dasharray:90;stroke-dashoffset:60px;width:44px;height:44px;animation:.9s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.vault-sidebar-simple{background:#111113;border-right:1px solid #ffffff0f;flex-direction:column;gap:0;padding:18px 14px;display:flex}.vault-logo{color:#fff;border-radius:12px;align-items:center;gap:10px;margin-bottom:28px;padding:6px 8px 6px 4px;text-decoration:none;transition:background .15s;display:flex}.vault-logo:hover{background:#ffffff0d}.vault-logo-mark{background:#fde0471a;border:1px solid #fde04733;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;display:inline-flex}.vault-logo-text{flex-direction:column;line-height:1.1;display:flex}.vault-logo-text strong{letter-spacing:-.3px;color:#fff;font-family:DM Sans,sans-serif;font-size:15px;font-weight:800}.vault-logo-text small{color:#71717a;letter-spacing:.02em;font-size:11px;font-weight:500}.vault-nav{flex-direction:column;flex:1;gap:2px;display:flex}.vault-nav-label{letter-spacing:1.6px;text-transform:uppercase;color:#3f3f46;margin:0 0 8px;padding:0 10px;font-size:10px;font-weight:700}.vault-sidebar-simple .vault-nav-item{color:#71717a;text-align:left;letter-spacing:-.01em;cursor:pointer;background:0 0;border:0;border-radius:10px;align-items:center;gap:10px;width:100%;padding:10px 12px;font-size:13.5px;font-weight:600;transition:all .14s;display:flex}.vault-sidebar-simple .vault-nav-item:hover{color:#e4e4e7;background:#ffffff0f}.vault-sidebar-simple .vault-nav-item.active{color:#fde047;background:#fde04721}.vault-nav-icon{background:#ffffff0d;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;transition:background .14s;display:inline-flex}.vault-sidebar-simple .vault-nav-item:hover .vault-nav-icon{background:#ffffff17}.vault-sidebar-simple .vault-nav-item.active .vault-nav-icon{background:#fde0472e}.vault-sidebar-bottom{border-top:1px solid #ffffff12;flex-direction:column;gap:6px;margin-top:auto;padding-top:16px;display:flex}.vault-sidebar-user{background:#ffffff0a;border-radius:10px;align-items:center;gap:10px;padding:8px 10px;display:flex}.vault-sidebar-avatar{color:#fde047;background:#fde0472e;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;font-size:13px;font-weight:800;display:inline-flex}.vault-sidebar-user-info{flex-direction:column;min-width:0;line-height:1.1;display:flex}.vault-sidebar-user-info strong{color:#e4e4e7;text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:700;overflow:hidden}.vault-sidebar-user-info small{color:#52525b;text-overflow:ellipsis;white-space:nowrap;font-size:11px;overflow:hidden}.vault-sidebar-simple .vault-logout{color:#52525b;cursor:pointer;background:0 0;border:0;border-radius:10px;align-items:center;gap:9px;width:100%;margin-top:0;padding:9px 12px;font-size:13px;font-weight:600;transition:all .14s;display:flex}.vault-sidebar-simple .vault-logout:hover{color:#ef4444;background:#ef444417}@media (width<=1120px){.vault-app-simple{grid-template-columns:68px minmax(0,1fr)}.vault-logo-text,.vault-nav-label,.vault-sidebar-user-info,.vault-sidebar-simple .vault-nav-item>span:not(.vault-nav-icon),.vault-sidebar-simple .vault-logout>span{display:none}.vault-logo{justify-content:center;margin-bottom:20px;padding:6px}.vault-sidebar-simple .vault-nav-item{justify-content:center;padding:10px 0}.vault-nav-icon{width:34px;height:34px}.vault-sidebar-user{justify-content:center;padding:8px 0}.vault-sidebar-simple .vault-logout{justify-content:center;padding:9px 0}}.vault-bottom-nav{border-top:1px solid var(--line);z-index:60;height:56px;padding-bottom:env(safe-area-inset-bottom);-webkit-tap-highlight-color:transparent;background:#fff;display:none;position:fixed;bottom:0;left:0;right:0}.vault-bottom-nav-item{cursor:pointer;color:var(--ink4);letter-spacing:.01em;-webkit-tap-highlight-color:transparent;background:0 0;border:none;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;padding:6px 4px;font-size:10px;font-weight:500;transition:color .15s;display:flex}.vault-bottom-nav-item.active{color:var(--ink)}.vault-bottom-nav-item.active svg{color:#ca8a04}.vault-bottom-nav-item:active{opacity:.65}@media (width<=768px){.vault-bottom-nav{display:flex}.vault-sidebar-simple{display:none!important}.vault-app-simple{grid-template-columns:1fr}.vault-tb-left{flex-shrink:0;display:flex!important}.vault-tb-logo{display:flex}.vault-topbar-new{gap:8px;padding:0 12px}.vault-topbar-new .vault-search-wrap{flex:1;min-width:0;max-width:none}.vault-main-new{padding:14px 12px calc(56px + env(safe-area-inset-bottom) + 16px)}.vault-app-simple,.vault-workspace,.vault-main-new{overflow-x:hidden}.vault-profile-btn span,.vault-profile-btn svg:last-child{display:none}}.pg-page{gap:20px;width:min(1120px,100%);margin:0 auto;display:grid}.pg-layout{grid-template-columns:minmax(0,1fr) 280px;align-items:start;gap:24px;display:grid}.pg-header{border:1px solid var(--line);background:#fff;border-radius:14px;margin-bottom:4px;padding:28px}.pg-header h1{color:var(--ink);letter-spacing:-.025em;margin:8px 0;font-size:clamp(18px,2.4vw,24px);font-weight:800;line-height:1.25}.pg-tagline{color:var(--ink3);margin:0 0 14px;font-size:13.5px;line-height:1.5}.pg-meta-strip{color:var(--ink3);flex-wrap:wrap;align-items:center;gap:6px 10px;font-size:12.5px;display:flex}.pg-meta-item strong{color:var(--ink2);font-weight:600}.pg-meta-sep{color:var(--line)}.pg-main{gap:16px;display:grid}.pg-section{border:1px solid var(--line);background:#fff;border-radius:14px;padding:24px 26px}.pg-section h2{color:var(--ink);letter-spacing:-.015em;border-bottom:1px solid var(--line2);margin:0 0 14px;padding-bottom:12px;font-size:16px;font-weight:700}.pg-section p{color:#374151;margin:0 0 12px;font-size:14px;line-height:1.75}.pg-section p:last-child{margin-bottom:0}.pg-note{color:var(--ink3);background:var(--line2);border-radius:8px;padding:10px 14px;font-size:13px;line-height:1.5;margin-bottom:14px!important}.pg-note-warning{color:#854d0e;background:#fef9c3;border-left:3px solid #eab308}.pg-table-wrap{border:1px solid var(--line);border-radius:10px;overflow-x:auto}.pg-table{border-collapse:collapse;width:100%;font-size:13.5px}.pg-table th{background:var(--line2);color:var(--ink2);text-transform:uppercase;letter-spacing:.05em;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;padding:10px 14px;font-size:11px;font-weight:700}.pg-table td{color:var(--ink);border-bottom:1px solid var(--line2);padding:11px 14px;line-height:1.4}.pg-table tr:last-child td{border-bottom:none}.pg-table-total td{background:var(--line2);color:var(--ink);font-weight:700}.pg-syllabus{gap:16px;display:grid}.pg-syllabus-block{border:1px solid var(--line);border-radius:10px;overflow:hidden}.pg-syllabus-block h3{color:var(--ink);background:var(--line2);border-bottom:1px solid var(--line);letter-spacing:-.01em;margin:0;padding:10px 16px;font-size:13px;font-weight:700}.pg-syllabus-block ul{gap:5px;margin:0;padding:12px 16px 12px 32px;display:grid}.pg-syllabus-block li{color:#374151;font-size:13px;line-height:1.55}.pg-dl{gap:10px;display:grid}.pg-dl-row{border-bottom:1px solid var(--line2);grid-template-columns:110px 1fr;align-items:baseline;gap:12px;padding-bottom:10px;display:grid}.pg-dl-row:last-child{border-bottom:none;padding-bottom:0}.pg-dl-row dt{text-transform:uppercase;letter-spacing:.06em;color:var(--ink4);padding-top:2px;font-size:11px;font-weight:700}.pg-dl-row dd{color:var(--ink);margin:0;font-size:13.5px;line-height:1.6}.pg-steps{counter-reset:none;gap:10px;margin:0;padding:0;list-style:none;display:grid}.pg-steps li{color:var(--ink);align-items:flex-start;gap:12px;font-size:13.5px;line-height:1.55;display:flex}.pg-step-num{background:var(--ink);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;min-width:24px;height:24px;margin-top:1px;font-size:11px;font-weight:700;display:inline-flex}.pg-tips{gap:12px;margin:0;padding-left:20px;display:grid}.pg-tips li{color:#374151;font-size:13.5px;line-height:1.7}.pg-sidebar{gap:14px;display:grid;position:sticky;top:74px}.pg-sidebar-card{border:1px solid var(--line);background:#fff;border-radius:14px;gap:12px;padding:18px;display:grid}.pg-sidebar-card-head{color:var(--ink);align-items:center;gap:8px;display:flex}.pg-sidebar-card-head strong{font-size:13.5px;font-weight:700}.pg-sidebar-card-head svg{color:var(--ink3)}.pg-papers-list{gap:6px;display:grid}.pg-paper-row{border:1px solid var(--line);background:#fafafa;border-radius:10px;align-items:center;gap:10px;padding:10px 12px;text-decoration:none;transition:border-color .13s,background .13s;display:flex}.pg-paper-row:hover{border-color:var(--ink3);background:#fff}.pg-paper-info{flex:1;gap:2px;min-width:0;display:grid}.pg-paper-title{color:var(--ink);font-size:12.5px;font-weight:700;line-height:1.3}.pg-paper-meta{color:var(--ink3);font-size:11px;font-weight:500}.pg-paper-arrow{color:var(--ink4);flex-shrink:0}.pg-all-papers-btn{background:var(--ink);color:#fff;border-radius:10px;justify-content:center;align-items:center;gap:5px;width:100%;height:38px;font-size:13px;font-weight:700;text-decoration:none;transition:opacity .13s;display:flex}.pg-all-papers-btn:hover{opacity:.88}.pg-quick-facts{gap:8px;margin:0;display:grid}.pg-quick-facts>div{border-bottom:1px solid var(--line2);justify-content:space-between;align-items:baseline;gap:8px;padding-bottom:8px;display:flex}.pg-quick-facts>div:last-child{border-bottom:none;padding-bottom:0}.pg-quick-facts dt{text-transform:uppercase;letter-spacing:.05em;color:var(--ink4);white-space:nowrap;font-size:11px;font-weight:700}.pg-quick-facts dd{color:var(--ink);text-align:right;margin:0;font-size:12px;font-weight:600}.pg-official-link{color:var(--ink3);align-items:center;gap:5px;font-size:12px;font-weight:600;text-decoration:none;transition:color .13s;display:inline-flex}.pg-official-link:hover{color:var(--ink)}@media (width<=860px){.pg-layout{grid-template-columns:1fr}.pg-sidebar{order:-1;grid-template-columns:repeat(2,1fr);gap:12px;display:grid;position:static}}@media (width<=580px){.pg-sidebar{grid-template-columns:1fr}.pg-section{padding:18px 16px}.pg-header{padding:20px}.pg-dl-row{grid-template-columns:1fr;gap:4px}}@media (width<=540px){.ep-filter-bar{flex-wrap:wrap}.ep-hero{gap:12px;padding:16px}.pyq-question-card{padding:14px 12px}.ep-paper-card-inner{flex-direction:column;align-items:flex-start;gap:12px}.ep-paper-card-right{flex-direction:row;align-items:center;gap:10px}}@media (width<=380px){.vault-tb-title{display:none}.vault-topbar-new{gap:6px;padding:0 8px}.vault-bottom-nav-item{gap:1px;font-size:9px}}.legal-page{max-width:780px;margin:0 auto}.legal-limited-use{background:#eff6ff;border:1.5px solid #bfdbfe;border-left:4px solid #2563eb;border-radius:12px;margin-bottom:4px;padding:18px 20px}.legal-limited-use strong{color:#1e3a8a;text-transform:uppercase;letter-spacing:.6px;margin-bottom:6px;font-size:13px;font-weight:700;display:block}.legal-limited-use p{color:#1e40af;margin:0;font-size:14px;line-height:1.65}.legal-limited-use a{color:#1d4ed8;font-weight:600}.legal-body code{background:var(--line2);color:var(--ink2);border:1px solid var(--line);border-radius:5px;padding:2px 6px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12.5px}.legal-hero{border-bottom:1px solid var(--line);margin-bottom:48px;padding-bottom:32px}.legal-hero h1{color:var(--ink);letter-spacing:-.4px;margin:12px 0 10px;font-family:Fraunces,serif;font-size:clamp(32px,5vw,52px);font-weight:700;line-height:1.1}.legal-hero p{color:var(--ink4);font-size:14px;font-weight:500}.legal-body{flex-direction:column;gap:36px;display:flex}.legal-body section h2{color:var(--ink);margin-top:0;margin-bottom:10px;font-family:Fraunces,serif;font-size:20px;font-weight:700}.legal-body section h3{color:var(--ink2);text-transform:uppercase;letter-spacing:.6px;margin:14px 0 6px;font-size:14px;font-weight:700}.legal-body section p{color:var(--ink2);margin-bottom:10px;font-size:15px;font-weight:400;line-height:1.75}.legal-body section p:last-child{margin-bottom:0}.legal-body section ul{flex-direction:column;gap:6px;margin-bottom:10px;padding-left:20px;display:flex}.legal-body section ul li{color:var(--ink2);font-size:15px;line-height:1.7}.legal-body a{color:var(--blue);text-underline-offset:2px;text-decoration:underline}.footer-bot a{color:var(--ink4);text-decoration:none;transition:color .15s}.footer-bot a:hover{color:var(--ink)}.mr-screen{background:#f4f5f7;flex-direction:column;min-height:100dvh;display:flex}.mr-top-bar{color:#e4e4e7;background:#1a1a2e;flex-shrink:0;justify-content:space-between;align-items:center;gap:16px;padding:16px 28px;display:flex}.mr-top-exam{flex-direction:column;gap:2px;min-width:0;display:flex}.mr-top-exam small{color:#71717a;text-transform:uppercase;letter-spacing:.08em;font-size:11px}.mr-top-exam strong{color:#e4e4e7;white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:700;overflow:hidden}.mr-top-badge{color:#4ade80;background:#16a34a2e;border:1px solid #16a34a52;border-radius:20px;flex-shrink:0;align-items:center;gap:6px;padding:6px 14px;font-size:13px;font-weight:700;display:inline-flex}.mr-body{flex:1;grid-template-columns:360px minmax(0,1fr);align-items:start;gap:28px;width:100%;max-width:1100px;margin:0 auto;padding:32px 20px 48px;display:grid}.mr-left{background:#fff;border:1px solid #e5e7eb;border-radius:16px;flex-direction:column;align-items:center;gap:24px;padding:28px 24px;display:flex;position:sticky;top:24px;box-shadow:0 2px 12px #0000000f}.mr-ring-wrap{justify-content:center;align-items:center;display:inline-flex;position:relative}.mr-ring-center{flex-direction:column;align-items:center;line-height:1.15;display:flex;position:absolute}.mr-ring-center strong{letter-spacing:-.04em;font-size:36px;font-weight:800}.mr-ring-center span{color:#9ca3af;font-size:14px;font-weight:600}.mr-stat-list{background:#f3f4f6;border:1px solid #f3f4f6;border-radius:12px;gap:1px;width:100%;display:grid;overflow:hidden}.mr-stat{background:#fff;justify-content:space-between;align-items:center;gap:10px;padding:11px 14px;display:flex}.mr-stat-label{color:#6b7280;font-size:13px;font-weight:500}.mr-stat-val{color:#111827;font-size:15px;font-weight:700}.mr-stat-val.good{color:#16a34a}.mr-stat-val.mid{color:#d97706}.mr-stat-val.bad{color:#dc2626}.mr-stat-val.muted{color:#9ca3af}.mr-negmark-note{color:#6b7280;text-align:center;margin:4px 0 0;font-size:12px}.mr-right{flex-direction:column;gap:16px;display:flex}.mr-section{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:20px 22px;box-shadow:0 2px 12px #0000000d}.mr-section h3{color:#374151;letter-spacing:-.01em;margin:0 0 14px;font-size:14px;font-weight:700}.mr-cutoff-year{color:#9ca3af;font-weight:500}.mr-subject-list{flex-direction:column;gap:10px;display:flex}.mr-subject-row{grid-template-columns:1fr auto;align-items:center;gap:8px;display:grid}.mr-subject-label{grid-column:1/-1;justify-content:space-between;align-items:center;gap:6px;margin-bottom:4px;display:flex}.mr-subject-label span{color:#374151;font-size:13px;font-weight:600}.mr-subject-label small{color:#9ca3af;font-size:12px}.mr-bar-track{background:#f3f4f6;border-radius:999px;grid-column:1;height:7px;overflow:hidden}.mr-bar-fill{border-radius:999px;height:100%;transition:width .8s}.mr-bar-pct{white-space:nowrap;text-align:right;min-width:36px;font-size:12px;font-weight:700}.mr-subject-row{grid-template-rows:auto auto;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:4px 8px;display:grid}.mr-subject-label{grid-area:1/1/auto/-1;margin-bottom:0}.mr-bar-track{grid-area:2/1}.mr-bar-pct{grid-area:2/2}.mr-cutoff-verdict{border-radius:10px;margin-bottom:14px;padding:10px 14px;font-size:13.5px;font-weight:600;line-height:1.5}.mr-cutoff-verdict.cleared{color:#15803d;background:#f0fdf4;border:1px solid #86efac}.mr-cutoff-verdict.missed{color:#b91c1c;background:#fef2f2;border:1px solid #fca5a5}.mr-cutoff-table{flex-direction:column;gap:6px;display:flex}.mr-cutoff-row{background:#f9fafb;border-radius:8px;align-items:center;gap:10px;padding:8px 12px;font-size:13px;display:flex}.mr-cutoff-row span:first-child{color:#374151;flex:1;font-weight:600}.mr-cutoff-marks{color:#111827;text-align:right;min-width:40px;font-size:13px;font-weight:700}.mr-cutoff-badge{white-space:nowrap;border-radius:99px;padding:3px 9px;font-size:11px;font-weight:700}.mr-cutoff-badge.pass{color:#15803d;background:#dcfce7}.mr-cutoff-badge.fail{color:#b91c1c;background:#fef2f2}.mr-percentile-bar{margin-top:2px}.mr-percentile-track{background:#f3f4f6;border-radius:999px;height:14px;margin-bottom:10px;position:relative;overflow:visible}.mr-percentile-fill{background:linear-gradient(90deg,#2563eb 0%,#7c3aed 100%);border-radius:999px;height:100%;transition:width .9s}.mr-percentile-marker{z-index:1;background:#fff;border:3px solid #7c3aed;border-radius:50%;width:18px;height:18px;position:absolute;top:50%;transform:translate(-50%,-50%);box-shadow:0 2px 8px #7c3aed66}.mr-percentile-labels{color:#9ca3af;justify-content:space-between;align-items:center;font-size:12px;font-weight:600;display:flex}.mr-percentile-you{color:#7c3aed;font-size:13px;font-weight:700}.mr-actions{background:#fff;border-top:1px solid #f3f4f6;flex-wrap:wrap;justify-content:center;gap:10px;padding:20px 20px 36px;display:flex}.mr-btn{cursor:pointer;border:none;border-radius:10px;align-items:center;gap:7px;height:44px;padding:0 22px;font-size:14px;font-weight:700;text-decoration:none;transition:opacity .13s,box-shadow .13s;display:inline-flex}.mr-btn.primary{color:#fef3c7;background:#111827}.mr-btn.primary:hover{opacity:.88}.mr-btn.secondary{color:#374151;background:#fff;border:1.5px solid #e5e7eb}.mr-btn.secondary:hover{border-color:#d1d5db;box-shadow:0 2px 8px #00000012}.mr-btn.ghost{color:#6b7280;background:0 0;border:1.5px solid #e5e7eb}.mr-btn.ghost:hover{color:#374151;border-color:#d1d5db}@media (width<=860px){.mr-body{grid-template-columns:1fr}.mr-left{flex-flow:wrap;align-items:flex-start;gap:20px;padding:20px;position:static}.mr-ring-wrap{flex-shrink:0}.mr-stat-list{flex:1;min-width:200px}}@media (width<=540px){.mr-top-bar{padding:12px 16px}.mr-body{gap:14px;padding:16px 12px 32px}.mr-section,.mr-actions{padding:16px}.mr-btn{height:40px;padding:0 16px;font-size:13px}}.an-page{gap:24px;display:grid}.an-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:flex-start;gap:20px;padding-bottom:20px;display:flex}.an-header-left small{text-transform:uppercase;letter-spacing:.06em;color:var(--ink3);margin-bottom:4px;font-size:11px;font-weight:600;display:block}.an-header-left h1{letter-spacing:-.025em;color:var(--ink);margin:0 0 6px;font-size:clamp(20px,2.5vw,26px);font-weight:700}.an-header-left p{color:var(--ink3);margin:0;font-size:13.5px}.an-summary-strip{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;display:grid}.an-summary-card{border:1px solid var(--line);background:#fff;border-radius:12px;flex-direction:column;gap:8px;padding:16px 18px;display:flex;box-shadow:0 1px 4px #0000000a}.an-summary-icon{background:var(--line2);width:32px;height:32px;color:var(--ink3);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.an-summary-card strong{color:var(--ink);letter-spacing:-.03em;font-size:26px;font-weight:800;line-height:1}.an-summary-card span{text-transform:uppercase;letter-spacing:.06em;color:var(--ink4);font-size:11px;font-weight:700}.an-empty{border:1px solid var(--line);text-align:center;background:#fff;border-radius:16px;flex-direction:column;align-items:center;gap:14px;padding:64px 24px;display:flex}.an-empty svg{color:var(--ink4)}.an-empty strong{color:var(--ink);font-size:16px;font-weight:700}.an-empty p{color:var(--ink3);max-width:380px;margin:0;font-size:14px;line-height:1.6}.an-empty-btn{background:var(--ink);color:#fff;cursor:pointer;border:none;border-radius:10px;align-items:center;gap:7px;height:40px;padding:0 20px;font-size:13px;font-weight:700;text-decoration:none;transition:opacity .13s;display:inline-flex}.an-empty-btn:hover{opacity:.88}.an-attempt-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;display:grid}.an-attempt-card{aspect-ratio:1;background:#fafafa;border:1px solid #e5e7eb;border-radius:10px;flex-direction:column;gap:8px;padding:16px;transition:box-shadow .15s,border-color .15s;display:flex}.an-attempt-card:hover{background:#fff;border-color:#c7d2fe;box-shadow:0 2px 8px #6366f114}.an-card-top{justify-content:space-between;align-items:center;display:flex}.an-card-score{letter-spacing:-.02em;font-size:22px;font-weight:800;line-height:1}.an-card-score.good{color:#15803d}.an-card-score.mid{color:#92400e}.an-card-score.bad{color:#b91c1c}.an-card-pctile{color:#6366f1;background:#ede9fe;border-radius:10px;align-items:center;gap:3px;padding:2px 7px;font-size:11px;font-weight:600;display:inline-flex}.an-card-title{color:var(--ink);-webkit-line-clamp:2;-webkit-box-orient:vertical;flex:1;font-size:13px;font-weight:600;display:-webkit-box;overflow:hidden}.an-card-meta{color:var(--ink3);font-size:11px;font-weight:500}.an-card-date{color:#9ca3af;align-items:center;gap:3px;font-size:10.5px;font-weight:500;display:inline-flex}.an-card-chips{flex-wrap:wrap;gap:5px;margin-top:auto;display:flex}.an-chip{border-radius:8px;padding:2px 7px;font-size:10.5px;font-weight:600}.an-chip--c{color:#15803d;background:#dcfce7}.an-chip--w{color:#b91c1c;background:#fee2e2}.an-chip--s{color:#64748b;background:#f1f5f9}@media (width<=860px){.an-summary-strip{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=540px){.an-summary-strip{grid-template-columns:1fr}.an-header{flex-direction:column;gap:12px}.an-attempt-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.an-attempt-card{aspect-ratio:auto;min-height:140px}}.ea-page{gap:24px;display:grid}.ea-header{border-bottom:1px solid var(--line);flex-direction:column;gap:10px;padding-bottom:20px;display:flex}.ea-back-btn{color:var(--ink3);text-transform:uppercase;letter-spacing:.05em;align-items:center;gap:6px;font-size:12px;font-weight:700;text-decoration:none;transition:color .13s;display:inline-flex}.ea-back-btn:hover{color:var(--ink)}.ea-header small{text-transform:uppercase;letter-spacing:.06em;color:var(--ink3);margin-bottom:4px;font-size:11px;font-weight:600;display:block}.ea-header h1{letter-spacing:-.025em;color:var(--ink);margin:0 0 4px;font-size:clamp(20px,2.5vw,26px);font-weight:700}.ea-header p{color:var(--ink3);margin:0;font-size:13.5px}.ea-summary-strip{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;display:grid}.ea-summary-card{border:1px solid var(--line);background:#fff;border-radius:12px;flex-direction:column;gap:8px;padding:16px 18px;display:flex;box-shadow:0 1px 4px #0000000a}.ea-summary-icon{background:var(--line2);width:30px;height:30px;color:var(--ink3);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.ea-summary-card strong{color:var(--ink);letter-spacing:-.03em;font-size:24px;font-weight:800;line-height:1}.ea-summary-card span{text-transform:uppercase;letter-spacing:.06em;color:var(--ink4);font-size:11px;font-weight:700}.ea-charts-row{gap:16px;display:grid}.ea-charts-2-1{grid-template-columns:2fr 1fr}.ea-charts-even{grid-template-columns:1fr 1fr}.ea-chart-wrap{border:1px solid var(--line);background:#fff;border-radius:14px;padding:18px 20px 16px;box-shadow:0 1px 4px #0000000a}.ea-chart-title{color:var(--ink);align-items:center;gap:8px;margin-bottom:12px;font-size:13px;font-weight:700;display:flex}.ea-chart-sub{color:var(--ink4);background:var(--line2);border-radius:99px;padding:2px 8px;font-size:11px;font-weight:600}.ea-trend-badge{border-radius:99px;padding:2px 8px;font-size:11px;font-weight:700}.ea-trend-badge.up{color:#15803d;background:#dcfce7}.ea-trend-badge.down{color:#b91c1c;background:#fee2e2}.ea-svg{width:100%;height:auto;display:block}.ea-donut-body{align-items:center;gap:16px;display:flex}.ea-donut-svg{flex-shrink:0;width:140px;height:140px}.ea-donut-legend{flex-direction:column;flex:1;gap:6px;min-width:0;display:flex}.ea-legend-row{align-items:center;gap:7px;min-width:0;display:flex}.ea-legend-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.ea-legend-name{color:#374151;white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:12px;font-weight:600;overflow:hidden}.ea-legend-pct{flex-shrink:0;font-size:12px;font-weight:700}.ea-legend-more .ea-legend-name{color:var(--ink4)}.ea-gauge-stats{color:var(--ink3);justify-content:space-between;align-items:center;gap:12px;margin-top:8px;font-size:12.5px;font-weight:600;display:flex}.ea-gauge-stats strong{color:var(--ink)}.ea-cutoff-row{grid-template-columns:76px 1fr 64px;align-items:center;gap:10px;margin-bottom:10px;display:grid}.ea-cutoff-row--user{border-bottom:1px dashed var(--line);margin-bottom:4px;padding-bottom:10px}.ea-cutoff-cat{color:var(--ink2);white-space:nowrap;font-size:12px;font-weight:700}.ea-cutoff-track-wrap{align-items:center;display:flex;position:relative}.ea-cutoff-track{background:#f1f5f9;border-radius:99px;flex:1;height:10px;overflow:hidden}.ea-cutoff-fill{border-radius:99px;height:100%;transition:width .6s}.ea-cutoff-fill.user{background:#93c5fd}.ea-cutoff-fill.cleared{background:#86efac}.ea-cutoff-fill.missed{background:#fca5a5}.ea-cutoff-marker{z-index:1;background:#1d4ed8;border-radius:2px;width:3px;height:16px;position:absolute;top:-3px;transform:translate(-50%)}.ea-cutoff-val{text-align:right;white-space:nowrap;font-size:12px;font-weight:700}.ea-cutoff-val.user{color:#1d4ed8}.ea-cutoff-val.pass{color:#15803d}.ea-cutoff-val.fail{color:#b91c1c}.ea-cutoff-note{color:var(--ink4);margin:4px 0 0;font-size:11.5px}.ea-history-panel{border:1px solid var(--line);background:#fff;border-radius:14px;padding:20px 22px;box-shadow:0 1px 4px #0000000a}.ea-history-panel h2{color:var(--ink);margin:0 0 14px;font-size:15px;font-weight:700}.ea-history-list{flex-direction:column;gap:0;display:flex}.ea-history-row{border-bottom:1px solid #f9fafb;grid-template-columns:36px 1fr auto;align-items:center;gap:12px;padding:12px 0;display:grid}.ea-history-row:last-child{border-bottom:none}.ea-hist-num{color:var(--ink4);text-align:center;font-size:11px;font-weight:700}.ea-hist-info{flex-direction:column;gap:2px;min-width:0;display:flex}.ea-hist-info strong{color:var(--ink);white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:700;overflow:hidden}.ea-hist-info span{color:var(--ink4);font-size:11.5px}.ea-hist-stats{flex-shrink:0;align-items:center;gap:8px;display:flex}.ea-hist-score{border-radius:99px;justify-content:center;align-items:center;min-width:48px;height:28px;padding:0 8px;font-size:12px;font-weight:800;display:inline-flex}.ea-hist-score.good{color:#15803d;background:#dcfce7}.ea-hist-score.mid{color:#854d0e;background:#fef9c3}.ea-hist-score.bad{color:#b91c1c;background:#fee2e2}.ea-hist-detail{color:var(--ink4);align-items:center;gap:4px;font-size:11.5px;font-weight:600;display:inline-flex}.ea-hist-pctile{color:#6d28d9;background:#f5f3ff;border-radius:99px;padding:2px 7px;font-size:11px;font-weight:700}.ea-mastery-panel{border:1px solid var(--line);background:#fff;border-radius:14px;padding:20px 22px;box-shadow:0 1px 4px #0000000a}.ea-mastery-panel h2{color:var(--ink);margin:0 0 4px;font-size:15px;font-weight:700}.ea-mastery-panel>p{color:var(--ink3);margin:0 0 16px;font-size:13px}.ea-mastery-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;display:grid}.ea-mastery-card{border:1px solid var(--line);background:#f9fafb;border-radius:10px;padding:14px}.ea-mastery-head{align-items:center;gap:7px;margin-bottom:8px;display:flex}.ea-mastery-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.ea-mastery-name{color:#374151;text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:12.5px;font-weight:700;overflow:hidden}.ea-mastery-pct{border-radius:99px;flex-shrink:0;padding:2px 7px;font-size:12px;font-weight:800}.ea-mastery-pct.good{color:#15803d;background:#dcfce7}.ea-mastery-pct.mid{color:#854d0e;background:#fef9c3}.ea-mastery-pct.bad{color:#b91c1c;background:#fee2e2}.ea-mastery-bar{background:#e5e7eb;border-radius:999px;height:6px;margin-bottom:6px;overflow:hidden}.ea-mastery-fill{border-radius:999px;height:100%;transition:width .7s}.ea-mastery-detail{color:#9ca3af;font-size:11px;font-weight:600}.ep-analytics-btn{color:#1d4ed8;background:#f0f9ff;border:1.5px solid #bfdbfe;border-radius:10px;flex-shrink:0;align-items:center;gap:6px;height:40px;padding:0 16px;font-size:13px;font-weight:700;text-decoration:none;transition:background .13s,border-color .13s;display:inline-flex}.ep-analytics-btn:hover{background:#dbeafe;border-color:#93c5fd}.ep-hero-actions{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:8px;display:flex}@media (width<=860px){.ea-summary-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.ea-charts-2-1,.ea-charts-even{grid-template-columns:1fr}.ea-donut-svg{width:120px;height:120px}}@media (width<=540px){.ea-summary-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.ea-history-row{grid-template-columns:28px 1fr}.ea-hist-stats{flex-wrap:wrap;grid-column:2}.ea-cutoff-row{grid-template-columns:64px 1fr 52px;gap:6px}.ea-donut-body{flex-direction:column;align-items:flex-start}}.ea2-page{flex-direction:column;gap:24px;display:flex}.ea2-header{flex-direction:column;gap:8px;display:flex}.ea2-back{color:var(--ink3);align-items:center;gap:5px;width:fit-content;font-size:12.5px;font-weight:600;text-decoration:none;display:inline-flex}.ea2-back:hover{color:var(--ink)}.ea2-header-body h1{color:var(--ink);letter-spacing:-.025em;margin:0;font-size:22px;font-weight:800}.ea2-header-body p{color:var(--ink3);margin:3px 0 0;font-size:12.5px}.ea2-strip{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;display:grid}.ea2-strip-card{background:#fff;border:1px solid #e5e7eb;border-radius:10px;flex-direction:column;gap:3px;padding:14px 16px;display:flex}.ea2-strip-icon{color:var(--ink3);align-items:center;margin-bottom:4px;display:flex}.ea2-strip-card strong{color:var(--ink);letter-spacing:-.02em;font-size:20px;font-weight:800;line-height:1}.ea2-strip-card strong.good{color:#16a34a}.ea2-strip-card strong.mid{color:#d97706}.ea2-strip-card strong.bad{color:#dc2626}.ea2-strip-card span{color:var(--ink3);font-size:11.5px;font-weight:500}.ea2-main-row{grid-template-columns:1fr 240px;align-items:start;gap:16px;display:grid}.ea2-chart-panel{background:#fff;border:1px solid #e5e7eb;border-radius:12px;flex-direction:column;gap:14px;padding:20px 22px;display:flex}.ea2-chart-heading{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.ea2-chart-heading h2{color:var(--ink);letter-spacing:-.015em;margin:0;font-size:15px;font-weight:700}.ea2-chart-heading p{color:var(--ink3);margin:2px 0 0;font-size:12px}.ea2-chart-meta{color:#475569;white-space:nowrap;background:#f1f5f9;border-radius:20px;flex-shrink:0;padding:3px 10px;font-size:11px;font-weight:600}.ea2-cat-tabs{scrollbar-width:none;-ms-overflow-style:none;gap:6px;padding-bottom:2px;display:flex;overflow-x:auto}.ea2-cat-tabs::-webkit-scrollbar{display:none}.ea2-cat-tab{color:var(--ink3);cursor:pointer;white-space:nowrap;background:#fff;border:1.5px solid #e5e7eb;border-radius:20px;flex-shrink:0;padding:5px 14px;font-size:12.5px;font-weight:600;transition:all .15s}.ea2-cat-tab:hover{color:var(--ink);border-color:#94a3b8}.ea2-cat-tab.active{color:#fff;background:#1e3a5f;border-color:#1e3a5f}.ea2-dist-svg{width:100%;height:auto;display:block;overflow:visible}.ea2-chart-placeholder{text-align:center;color:var(--ink3);padding:32px 0;font-size:13px}.ea2-legend{flex-wrap:wrap;gap:14px 20px;padding-top:2px;display:flex}.ea2-legend-item{color:var(--ink3);align-items:center;gap:6px;font-size:11.5px;font-weight:500;display:inline-flex}.ea2-legend-line{border-radius:2px;flex-shrink:0;width:22px;height:2.5px;display:inline-block}.ea2-legend-line--dash{background:repeating-linear-gradient(90deg,currentColor 0 4px,#0000 4px 7px)}.ea2-legend--you .ea2-legend-line{background:#3b82f6}.ea2-legend--avg .ea2-legend-line{background:#f59e0b}.ea2-legend--cut{color:#ef4444}.ea2-legend--cut .ea2-legend-line--dash{background:repeating-linear-gradient(90deg,#ef4444 0 4px,#0000 4px 7px)}.ea2-legend-dot-fill{background:#22c55e40;border:1px solid #22c55e66;border-radius:3px;flex-shrink:0;width:14px;height:14px}.ea2-verdict{border:1px solid;border-radius:8px;padding:10px 14px;font-size:13px;font-weight:500}.ea2-verdict.pass{color:#15803d;background:#f0fdf4;border-color:#bbf7d0}.ea2-verdict.fail{color:#b91c1c;background:#fff1f2;border-color:#fecdd3}.ea2-rank-estimate{color:var(--ink3);gap:20px;padding-top:2px;font-size:12.5px;display:flex}.ea2-rank-estimate strong{color:var(--ink)}.ea2-lb-panel{background:#fff;border:1px solid #e5e7eb;border-radius:12px;flex-direction:column;gap:4px;padding:16px;display:flex}.ea2-lb-header{color:var(--ink);letter-spacing:-.01em;border-bottom:1px solid #f1f5f9;align-items:center;gap:6px;margin-bottom:4px;padding-bottom:10px;font-size:14px;font-weight:700;display:flex}.ea2-lb-empty{color:var(--ink3);text-align:center;padding:16px 0;font-size:12.5px}.ea2-lb-list{flex-direction:column;gap:1px;margin:0;padding:0;list-style:none;display:flex}.ea2-lb-row{border-radius:7px;align-items:center;gap:8px;padding:7px 6px;transition:background .12s;display:flex}.ea2-lb-row:hover{background:#f8fafc}.ea2-lb-row--me{background:#eff6ff;border:1px solid #bfdbfe}.ea2-lb-row--me:hover{background:#dbeafe}.ea2-lb-row--user{margin-top:2px}.ea2-lb-rank{color:var(--ink3);text-align:center;flex-shrink:0;width:28px;font-size:13px;font-weight:700}.ea2-lb-name{color:var(--ink);white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;font-size:12.5px;font-weight:500;overflow:hidden}.ea2-lb-score{color:var(--ink3);flex-shrink:0;font-size:12px;font-weight:700}.ea2-lb-you{color:#fff;letter-spacing:.04em;background:#1e3a5f;border-radius:10px;flex-shrink:0;padding:2px 6px;font-size:10px;font-weight:800}.ea2-lb-sep{background:#f1f5f9;height:1px;margin:6px 0 4px}.ea2-lb-pool{color:var(--ink3);text-align:center;margin:6px 0 0;font-size:11px}.ea2-history{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:20px 22px}.ea2-history h2{color:var(--ink);letter-spacing:-.015em;margin:0 0 16px;font-size:15px;font-weight:700}.ea2-hist-list{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;display:grid}.ea2-hist-card{aspect-ratio:1;background:#fafafa;border:1px solid #e5e7eb;border-radius:10px;flex-direction:column;gap:8px;padding:16px;transition:box-shadow .15s,border-color .15s;display:flex}.ea2-hist-card:hover{background:#fff;border-color:#c7d2fe;box-shadow:0 2px 8px #6366f114}.ea2-hist-card-top{justify-content:space-between;align-items:center;display:flex}.ea2-hist-score{letter-spacing:-.02em;font-size:22px;font-weight:800;line-height:1}.ea2-hist-score.good{color:#15803d}.ea2-hist-score.mid{color:#92400e}.ea2-hist-score.bad{color:#b91c1c}.ea2-hist-pctile{color:#6366f1;background:#ede9fe;border-radius:10px;padding:2px 7px;font-size:11px;font-weight:600}.ea2-hist-card-title{color:var(--ink);-webkit-line-clamp:2;-webkit-box-orient:vertical;flex:1;font-size:13px;font-weight:600;display:-webkit-box;overflow:hidden}.ea2-hist-card-meta{color:var(--ink3);font-size:11px;font-weight:500}.ea2-hist-card-stats{flex-wrap:wrap;gap:6px;margin-top:auto;display:flex}.ea2-hist-cs{border-radius:8px;padding:2px 7px;font-size:10.5px;font-weight:600}.ea2-hist-cs--c{color:#15803d;background:#dcfce7}.ea2-hist-cs--w{color:#b91c1c;background:#fee2e2}.ea2-hist-cs--s{color:#64748b;background:#f1f5f9}@media (width<=900px){.ea2-main-row{grid-template-columns:1fr}.ea2-lb-panel{order:-1}.ea2-lb-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;display:grid}}@media (width<=640px){.ea2-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.ea2-lb-list{grid-template-columns:1fr}.ea2-hist-list{grid-template-columns:repeat(2,minmax(0,1fr))}.ea2-hist-card{aspect-ratio:auto;min-height:140px}.ea2-rank-estimate{flex-direction:column;gap:4px}}.qr-multiline{flex-direction:column;gap:6px;display:flex}.qr-instruction{color:var(--ink2);font-size:.875rem;font-style:italic;font-weight:600;line-height:1.5}.qr-text{white-space:pre-wrap;line-height:1.6}.qr-highlight{background:var(--hl-bg);border:1px solid var(--hl-border);color:var(--hl-dark);border-radius:3px;padding:1px 4px;font-style:normal;font-weight:700}.qr-segments{flex-direction:column;gap:4px;padding:8px 0 4px;display:flex}.qr-segment{background:var(--line2);border-left:3px solid var(--line);border-radius:0 4px 4px 0;align-items:baseline;gap:6px;padding:5px 10px;line-height:1.55;display:flex}.qr-segment-text{color:var(--ink);flex:1;font-size:.9rem}.qr-segment-num{color:var(--ink3);background:var(--white);border:1px solid var(--line);letter-spacing:.02em;border-radius:3px;flex-shrink:0;padding:1px 5px;font-size:.75rem;font-weight:700}.math-inline .katex{font-size:1em}.math-block{padding:6px 0;display:block;overflow-x:auto}.math-block .katex-display{margin:0}.qr-analogy{background:var(--line2);border:1px solid var(--line);letter-spacing:.02em;white-space:nowrap;border-radius:4px;flex-wrap:nowrap;align-items:center;gap:5px;padding:3px 10px;font-size:.9rem;display:inline-flex}.qr-analogy-word{color:var(--ink);font-weight:700}.qr-analogy-colon{color:var(--ink3);font-weight:500}.qr-analogy-sep{color:var(--ink3);padding:0 2px;font-weight:700}.qr-analogy-blank{color:var(--accent,#2563eb);text-align:center;border-bottom:2px solid;min-width:22px;padding:0 5px;font-weight:800;display:inline-block}.qr-analogy-raw{color:var(--ink);font-weight:600}.qr-table-wrap{border-radius:var(--radius);border:1px solid var(--line);margin:6px 0 4px;overflow-x:auto}.qr-table{border-collapse:collapse;width:100%;font-size:.875rem}.qr-table thead tr{background:var(--line2)}.qr-table th{text-align:left;color:var(--ink2);letter-spacing:.02em;border-bottom:2px solid var(--line);white-space:nowrap;padding:8px 12px;font-size:.8rem;font-weight:600}.qr-table td{color:var(--ink);border-bottom:1px solid var(--line2);padding:7px 12px;line-height:1.4}.qr-table tbody tr:last-child td{border-bottom:none}.qr-table tbody tr:hover{background:var(--line2)}.qr-table td:last-child,.qr-table th:last-child{text-align:right;font-variant-numeric:tabular-nums}.qr-match{flex-direction:column;gap:10px;display:flex}.qr-match-intro{color:var(--ink2);font-size:.95rem;line-height:1.5}.qr-match-grid{border:1px solid var(--line);border-radius:var(--radius);grid-template-columns:1fr 1fr;gap:0;font-size:.875rem;display:grid;overflow:hidden}.qr-match-col{flex-direction:column;display:flex}.qr-match-col+.qr-match-col{border-left:1px solid var(--line)}.qr-match-head{background:var(--line2);color:var(--ink2);border-bottom:1px solid var(--line);letter-spacing:.01em;padding:6px 10px;font-size:.8rem;font-weight:600}.qr-match-row{color:var(--ink);align-items:flex-start;gap:6px;padding:6px 10px;line-height:1.45;display:flex}.qr-match-row+.qr-match-row{border-top:1px solid var(--line2)}.qr-match-idx{min-width:24px;color:var(--ink3);flex-shrink:0;padding-top:1px;font-size:.8rem;font-weight:600}@media (width<=480px){.qr-match-grid{grid-template-columns:1fr}.qr-match-col+.qr-match-col{border-left:none;border-top:1px solid var(--line)}}.admin-workspace.admin-dark{color:#e5e7eb;--surface:#161b22;--bg:#0f1117;--line:#30363d;--line2:#21262d;--ink:#e5e7eb;--ink2:#9ca3af;background:#0f1117}.admin-dark .admin-rail{background:#161b22;border-right-color:#30363d}.admin-dark .admin-rail nav a,.admin-dark .admin-rail button{color:#9ca3af}.admin-dark .admin-rail nav a:hover,.admin-dark .admin-rail button:hover{color:#e5e7eb;background:#21262d}.admin-dark .admin-nav-btn{color:#9ca3af}.admin-dark .admin-nav-btn:hover{color:#e5e7eb;background:#21262d}.admin-dark .admin-nav-btn.active{color:#111827;background:#fef3c7}.admin-dark .admin-rail-divider{background:#30363d}.admin-dark .admin-rail-logout{color:#6b7280}.admin-dark .admin-rail-logout:hover{color:#f87171;background:#dc26261f}.admin-dark .admin-work-head{border-bottom-color:#30363d}.admin-dark .admin-work-head small,.admin-dark .admin-panel-title small{color:#6b7280}.admin-dark .admin-work-head h1,.admin-dark .admin-panel-title h2{color:#f3f4f6}.admin-dark .admin-stat-row article,.admin-dark .admin-tool-panel{background:#161b22;border-color:#30363d}.admin-dark .admin-stat-row strong{color:#f3f4f6}.admin-dark .admin-stat-row span{color:#6b7280}.admin-dark .admin-stat-icon{color:#9ca3af;background:#21262d}.admin-dark .admin-manage-row{background:#1c2128;border-color:#30363d}.admin-dark .admin-manage-row strong{color:#e5e7eb}.admin-dark .admin-manage-row small,.admin-dark .admin-manage-list p,.admin-dark .admin-manage-row>span{color:#6b7280}.admin-dark .admin-mock-row:hover,.admin-dark .admin-mock-row.active{background:#1c2128;border-color:#58a6ff}.admin-dark .admin-file-action,.admin-dark .admin-link-action,.admin-dark .admin-manage-row .admin-row-action,.admin-dark .admin-mock-preview .admin-panel-title button{color:#c9d1d9;background:#21262d;border-color:#30363d}.admin-dark .admin-manage-row .admin-row-action.danger,.admin-dark .admin-manage-row button{color:#f87171;background:#dc26261f;border-color:#dc262640}.admin-dark .admin-save-btn{color:#111827;background:#fef3c7;border-color:#fef3c7}.admin-dark .admin-ghost-btn{color:#c9d1d9;background:#21262d;border-color:#30363d}.admin-dark .admin-ghost-btn:hover{background:#30363d;border-color:#58a6ff}.admin-dark .admin-text-btn{color:#6b7280}.admin-dark .admin-text-btn:hover{color:#e5e7eb;background:#21262d}.admin-dark .admin-work-head .admin-save-btn{color:#111827;background:#fef3c7;border-color:#fef3c7}.admin-dark .admin-field{color:#9ca3af}.admin-dark .admin-field input,.admin-dark .admin-field select,.admin-dark .admin-field textarea{color:#e5e7eb;background:#1c2128;border-color:#30363d}.admin-dark .admin-field input:focus,.admin-dark .admin-field select:focus,.admin-dark .admin-field textarea:focus{border-color:#58a6ff;box-shadow:0 0 0 3px #58a6ff1a}.admin-dark .admin-field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E")}.admin-dark .admin-bulk-box{color:#e5e7eb;background:#1c2128;border-color:#30363d}.admin-dark .admin-search-bar{color:#6b7280;background:#1c2128;border-color:#30363d}.admin-dark .admin-search-bar:focus-within{background:#1c2128;border-color:#58a6ff}.admin-dark .admin-search-bar input{color:#e5e7eb}.admin-dark .admin-search-bar>button{color:#6b7280!important}.admin-dark .admin-search-bar>button:hover{color:#c9d1d9!important}.admin-dark .admin-quick-btn{color:#9ca3af;background:#1c2128;border-color:#30363d}.admin-dark .admin-quick-btn:hover{color:#e5e7eb;background:#21262d;border-color:#58a6ff}.admin-dark .admin-status-banner.success{color:#4ade80;background:#16a34a1f;border-color:#16a34a4d}.admin-dark .admin-status-banner.error{color:#f87171;background:#dc26261f;border-color:#dc26264d}.admin-dark .admin-question-detail{background:#1c2128;border-color:#30363d}.admin-dark .admin-question-detail>p{color:#c9d1d9}.admin-dark .admin-question-detail-head span{color:#111827;background:#fef3c7}.admin-dark .admin-question-detail-head strong,.admin-dark .admin-answer-box strong{color:#e5e7eb}.admin-dark .admin-question-detail-head button{color:#f87171;background:#dc26261f;border-color:#dc262640}.admin-dark .admin-option-grid div{background:#21262d;border-color:#30363d}.admin-dark .admin-option-grid div.correct{background:#16a34a1a;border-color:#16a34a59}.admin-dark .admin-option-grid strong{color:#c9d1d9;background:#30363d}.admin-dark .admin-option-grid div.correct strong{color:#fff;background:#16a34a}.admin-dark .admin-option-grid span,.admin-dark .admin-answer-box p{color:#9ca3af}.admin-dark .admin-answer-box{background:#21262d;border-color:#30363d}.admin-dark .admin-help-text,.admin-dark .admin-empty{color:#6b7280}.admin-dark .admin-q-num{color:#111827;background:#fef3c7}.admin-dark .admin-badge.free{color:#4ade80;background:#16a34a26}.admin-dark .admin-badge.premium{color:#fbbf24;background:#eab3081f}.admin-dark-toggle{color:#9ca3af;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:8px;align-items:center;gap:9px;width:100%;padding:10px 11px;font-size:13px;font-weight:600;transition:background .12s,color .12s;display:flex}.admin-dark-toggle:hover{color:#111827;background:#f3f4f6}.admin-dark .admin-dark-toggle{color:#6b7280}.admin-dark .admin-dark-toggle:hover{color:#e5e7eb;background:#21262d}.pa-fullscreen-warn{z-index:9999;color:#fff;cursor:pointer;letter-spacing:.01em;background:#f59e0b;border:none;justify-content:center;align-items:center;gap:7px;width:100%;padding:9px 16px;font-size:13px;font-weight:500;transition:background .15s;display:flex;position:fixed;top:0;left:0;right:0}.pa-fullscreen-warn:hover{background:#d97706}.pa-fs-btn{color:#fff;cursor:pointer;background:#ffffff1f;border:1px solid #fff3;border-radius:6px;justify-content:center;align-items:center;width:32px;height:32px;transition:background .12s;display:flex}.pa-fs-btn:hover{background:#ffffff38}.pyq-language-toggle{background:#fff;border:1px solid #1118271f;border-radius:8px;align-items:center;gap:2px;padding:3px;display:inline-flex;box-shadow:0 1px 2px #0f172a0f}.pyq-language-toggle.compact{box-shadow:none;background:#ffffff1f;border-color:#ffffff38}.pyq-language-toggle button{color:#475569;cursor:pointer;background:0 0;border:0;border-radius:6px;min-width:72px;height:30px;font-size:12px;font-weight:700}.pyq-language-toggle.compact button{color:#ffffffc7}.pyq-language-toggle button.active{color:#fff;background:#111827}.pyq-language-toggle.compact button.active{color:#111827;background:#fff}.pyq-passage{color:#334155;background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;margin:0 0 16px;padding:14px 16px}.pyq-passage>strong{color:#0f172a;text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px;font-size:12px;display:block}.pyq-passage p{margin:0;line-height:1.65}.pa-resumed-notice{color:#065f46;text-align:center;letter-spacing:.01em;background:#ecfdf5;border-bottom:1px solid #a7f3d0;padding:7px 16px;font-size:12px;font-weight:500}.db-ip-heading{align-items:center;gap:8px;display:flex}.db-ip-heading-label{color:var(--ink);letter-spacing:-.015em;font-size:16px;font-weight:700}.db-ip-heading-count{color:#dc2626;letter-spacing:.02em;background:#fee2e2;border-radius:20px;padding:2px 9px;font-size:11px;font-weight:700}.db-live-dot{background:#ef4444;border-radius:50%;flex-shrink:0;width:8px;height:8px;animation:1.6s ease-in-out infinite db-live-pulse}@keyframes db-live-pulse{0%,to{box-shadow:0 0 #ef444480}55%{box-shadow:0 0 0 5px #ef444400}}.db-ip-list{flex-direction:column;gap:10px;display:flex}.db-ip-card{background:#fff;border:1px solid #e5e7eb;border-radius:10px;align-items:center;transition:box-shadow .15s;display:flex;overflow:hidden;box-shadow:0 1px 3px #0000000a}.db-ip-card:hover{box-shadow:0 3px 10px #00000014}.db-ip-accent{background:#ef4444;flex-shrink:0;align-self:stretch;width:4px}.db-ip-info{flex:1;min-width:0;padding:14px 18px}.db-ip-info strong{color:#111827;white-space:nowrap;text-overflow:ellipsis;margin-bottom:2px;font-size:13.5px;font-weight:600;display:block;overflow:hidden}.db-ip-info small{color:#6b7280;font-size:12px}.db-ip-stat,.db-ip-timer{border-left:1px solid #f3f4f6;flex-direction:column;flex-shrink:0;align-items:center;gap:1px;padding:0 20px;display:flex}.db-ip-stat strong{color:#111827;font-variant-numeric:tabular-nums;font-size:15px;font-weight:700}.db-ip-stat strong em{color:#9ca3af;font-size:13px;font-style:normal;font-weight:500}.db-ip-stat small,.db-ip-timer small{color:#9ca3af;letter-spacing:.02em;font-size:10.5px;font-weight:500}.db-ip-timer strong{color:#ef4444;font-variant-numeric:tabular-nums;font-size:15px;font-weight:700}.db-ip-btn{color:#fff;white-space:nowrap;background:#111827;border-radius:8px;flex-shrink:0;align-items:center;gap:5px;margin:0 14px;padding:8px 15px;font-size:13px;font-weight:600;text-decoration:none;transition:background .15s;display:inline-flex}.db-ip-btn:hover{background:#1f2937}@media (width<=640px){.db-ip-card{flex-wrap:wrap}.db-ip-accent{align-self:auto;width:100%;height:3px}.db-ip-info{width:100%;padding:12px 14px 8px}.db-ip-stat,.db-ip-timer{border-top:1px solid #f3f4f6;border-left:none;flex:1;padding:8px 14px}.db-ip-btn{margin:8px 14px 12px auto}}.pa-subject-picker{flex-direction:column;flex:1;justify-content:center;align-items:center;padding:32px 28px;display:flex;overflow-y:auto}.pa-subject-picker-head{text-align:center;margin-bottom:28px}.pa-subject-picker-head h2{color:#111827;margin:0 0 8px;font-size:18px;font-weight:800}.pa-subject-picker-head p{color:#6b7280;margin:0;font-size:13px}.pa-subject-picker-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;width:100%;max-width:680px;display:grid}.pa-subject-card{cursor:pointer;text-align:left;background:#fff;border:1.5px solid #e5e7eb;border-radius:12px;flex-direction:column;align-items:flex-start;gap:6px;padding:18px 16px;transition:border-color .15s,box-shadow .15s,transform .1s;display:flex}.pa-subject-card:hover{border-color:#3b82f6;transform:translateY(-2px);box-shadow:0 4px 16px #3b82f61f}.pa-subject-card strong{color:#111827;font-size:14px;font-weight:700;line-height:1.3}.pa-subject-card>span{color:#6b7280;font-size:12px}.pa-subject-card small{color:#9ca3af;font-size:11px}.pa-sc-bar{background:#e5e7eb;border-radius:4px;width:100%;height:4px;overflow:hidden}.pa-sc-fill{background:#22c55e;border-radius:4px;height:100%;transition:width .3s}.pa-palette-subject-list{flex-direction:column;flex:1;gap:6px;display:flex;overflow-y:auto}.pa-palette-subject-hint{color:#9ca3af;text-transform:uppercase;letter-spacing:.08em;margin:0 0 4px;font-size:10px;font-weight:700}.pa-palette-subject-btn{cursor:pointer;color:#374151;text-align:left;background:#fff;border:1.5px solid #e5e7eb;border-radius:8px;justify-content:space-between;align-items:center;gap:8px;padding:10px 12px;font-size:13px;font-weight:600;transition:border-color .15s,background .15s;display:flex}.pa-palette-subject-btn:hover{color:#1d4ed8;background:#eff6ff;border-color:#3b82f6}.pa-palette-subject-count{color:#6b7280;background:#f3f4f6;border-radius:10px;flex-shrink:0;padding:2px 7px;font-size:11px;font-weight:700}.pa-intro-page{background:#0f172a;justify-content:center;align-items:center;min-height:100dvh;padding:24px 16px;display:flex}.pa-intro-card{text-align:center;background:#fff;border-radius:18px;flex-direction:column;gap:24px;width:100%;max-width:560px;padding:40px 44px;display:flex;box-shadow:0 24px 64px #00000059}.pa-intro-exam-badge{color:#1d4ed8;letter-spacing:.08em;text-transform:uppercase;background:#eff6ff;border-radius:20px;align-self:center;padding:4px 12px;font-size:11px;font-weight:700;display:inline-block}.pa-intro-title{color:#111827;margin:0;font-size:22px;font-weight:800;line-height:1.3}.pa-intro-stats{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.pa-intro-stat{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;flex-direction:column;align-items:center;gap:3px;min-width:90px;padding:12px 20px;display:flex}.pa-intro-stat strong{color:#111827;font-size:22px;font-weight:800;line-height:1}.pa-intro-stat span{color:#6b7280;text-transform:uppercase;letter-spacing:.05em;font-size:11px;font-weight:500}.pa-intro-stat-neg{background:#fff5f5;border-color:#fecaca}.pa-intro-stat-neg strong{color:#dc2626}.pa-intro-instructions{text-align:left;background:#f8fafc;border-radius:12px;padding:18px 20px}.pa-intro-instructions h3{color:#374151;text-transform:uppercase;letter-spacing:.08em;margin:0 0 12px;font-size:12px;font-weight:700}.pa-intro-instructions ul{flex-direction:column;gap:7px;margin:0;padding:0 0 0 18px;display:flex}.pa-intro-instructions li{color:#4b5563;font-size:13px;line-height:1.5}.pa-intro-fs-warn{text-align:left;background:#fffbeb;border:1px solid #fcd34d;border-radius:10px;align-items:flex-start;gap:12px;padding:14px 16px;display:flex}.pa-intro-fs-warn svg{color:#d97706;flex-shrink:0;margin-top:2px}.pa-intro-fs-warn strong{color:#92400e;margin-bottom:3px;font-size:13px;font-weight:700;display:block}.pa-intro-fs-warn p{color:#78350f;margin:0;font-size:12px;line-height:1.4}.pa-intro-start-btn{color:#fff;cursor:pointer;letter-spacing:.01em;background:#2563eb;border:none;border-radius:12px;justify-content:center;align-items:center;gap:8px;height:52px;font-size:16px;font-weight:700;transition:background .15s,transform .1s;display:inline-flex}.pa-intro-start-btn:hover:not(:disabled){background:#1d4ed8;transform:translateY(-1px)}.pa-intro-start-btn:disabled{opacity:.6;cursor:not-allowed}.pa-intro-back-link{color:#6b7280;align-self:center;font-size:13px;text-decoration:none;transition:color .15s}.pa-intro-back-link:hover{color:#374151}.pa-resume-card{text-align:center}.pa-resume-progress{background:#f0f4ff;border:1px solid #c7d7fe;border-radius:12px;justify-content:center;align-items:center;gap:24px;margin:24px 0;padding:20px 28px;display:flex}.pa-resume-stat{flex-direction:column;align-items:center;gap:4px;display:flex}.pa-resume-stat strong{color:#1e3a8a;font-size:28px;font-weight:700;line-height:1}.pa-resume-stat span{color:#6b7280;font-size:12px;font-weight:500}.pa-resume-divider{background:#c7d7fe;width:1px;height:40px}@media (width<=560px){.pa-intro-card{padding:28px 20px}.pa-intro-title{font-size:18px}.pa-intro-stat{min-width:72px;padding:10px 14px}.pa-intro-stat strong{font-size:18px}}.pa-attempt-page.has-subjects{grid-template-rows:52px 40px minmax(0,1fr)}.pa-subject-tabs{scrollbar-width:none;-ms-overflow-style:none;background:#1a1a2e;border-bottom:1px solid #ffffff14;flex-wrap:nowrap;align-items:center;gap:2px;height:40px;padding:0 12px;display:flex;overflow-x:auto}.pa-subject-tabs::-webkit-scrollbar{display:none}.pa-subject-tab{color:#9ca3af;cursor:pointer;white-space:nowrap;background:0 0;border:none;border-bottom:2px solid #0000;flex-shrink:0;align-items:center;gap:5px;height:100%;padding:6px 10px;font-size:11px;font-weight:600;transition:color .15s,border-color .15s;display:inline-flex}.pa-subject-tab:hover{color:#e4e4e7}.pa-subject-tab.active{color:#60a5fa;border-bottom-color:#3b82f6}.pa-subject-tab-count{color:#d1d5db;background:#ffffff1a;border-radius:10px;padding:1px 6px;font-size:10px;font-weight:700}.pa-subject-tab.active .pa-subject-tab-count{color:#93c5fd;background:#3b82f640}.pa-q-progress small{color:#9ca3af;margin-left:4px;font-size:10px}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2)format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff)format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff)format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff)format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2)format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff)format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2)format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff)format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2)format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff)format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2)format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff)format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2)format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff)format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2)format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff)format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff)format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff)format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff)format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2)format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff)format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2)format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff)format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2)format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff)format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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)format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff)format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2)format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff)format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2)format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff)format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.16.47"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.newline{display:block}.katex .base{white-space:nowrap;width:min-content;position:relative}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{flex-direction:row;display:inline-flex}.katex .thinbox{width:0;max-width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}