:root{--exam-ink:#172132;--exam-muted:#667085;--exam-line:#e5e9f0;--exam-bg:#f4f7fb;--exam-blue:#246bfd;--exam-blue-deep:#1746a2;--exam-blue-soft:#eaf1ff;--exam-teal:#11a6a0;--exam-card:#fff}.exams-page,.exam-detail-page{min-height:650px;background:var(--exam-bg);color:var(--exam-ink)}.exams-hero{position:relative;overflow:hidden;display:flex;justify-content:space-between;align-items:flex-end;gap:30px;padding:58px max(7vw,32px);background:linear-gradient(125deg,#102a56 0%,#174d9a 58%,#178e9a 130%);color:#fff}.exams-hero:before,.exams-hero:after{content:"";position:absolute;border-radius:50%;pointer-events:none}.exams-hero:before{width:360px;height:360px;right:12%;top:-245px;border:70px solid rgba(255,255,255,.07)}.exams-hero:after{width:180px;height:180px;right:-35px;bottom:-95px;background:rgba(41,211,192,.13)}.exams-hero-copy,.exams-hero-stat{position:relative;z-index:1}.exams-hero-copy>span{font-size:11px;color:#9eece3;font-weight:800;letter-spacing:.2em}.exams-hero h1{margin:10px 0 12px;color:#fff;font-size:clamp(34px,4vw,48px);letter-spacing:-.03em}.exams-hero p{max-width:660px;margin:0;color:#d7e6fa;font-size:14px;line-height:1.8}.exams-hero-stat{min-width:150px;padding:17px 21px;border:1px solid rgba(255,255,255,.19);border-radius:16px;background:rgba(255,255,255,.1);backdrop-filter:blur(10px)}.exams-hero-stat strong{display:block;font-size:31px}.exams-hero-stat span{font-size:11px;color:#d8e7f6}.exam-browser{width:min(1180px,calc(100% - 40px));margin:30px auto 65px}.exam-filter-card,.exam-results{border:1px solid var(--exam-line);border-radius:20px;background:var(--exam-card);box-shadow:0 14px 38px rgba(24,50,89,.06)}.exam-filter-card{padding:25px 28px}.filter-heading,.exam-results-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.filter-heading{padding-bottom:19px;border-bottom:1px solid var(--exam-line)}.filter-heading span,.exam-results-head>div>span{color:var(--exam-teal);font-size:10px;font-weight:900;letter-spacing:.17em}.filter-heading h2,.exam-results-head h2{margin:4px 0 0;font-size:22px;color:var(--exam-ink)}.filter-heading button{padding:9px 13px;border:1px solid #dce3ed;border-radius:9px;background:#fff;color:#536174;cursor:pointer}.filter-heading button:hover{border-color:#aebbd0;color:var(--exam-blue)}.filter-step{display:grid;grid-template-columns:190px 1fr;gap:24px;padding:20px 0;border-bottom:1px solid #edf0f4}.filter-step:last-child{padding-bottom:2px;border:0}.filter-step[hidden]{display:none}.filter-label{display:flex;align-items:center;gap:12px}.filter-label>b{width:34px;height:34px;display:grid;place-items:center;border-radius:9px;background:var(--exam-blue-soft);color:var(--exam-blue);font-size:11px}.filter-label span{display:flex;flex-direction:column;gap:3px}.filter-label strong{font-size:14px}.filter-label small{color:#98a1af;font-size:10px}.filter-options{display:flex;align-items:center;flex-wrap:wrap;gap:9px}.filter-chip{min-width:72px;padding:10px 16px;border:1px solid #dfe5ee;border-radius:10px;background:#fff;color:#4a586d;font-size:13px;cursor:pointer;transition:.16s}.filter-chip:hover{border-color:#94add4;color:var(--exam-blue)}.filter-chip.is-active{border-color:var(--exam-blue);background:var(--exam-blue);color:#fff;box-shadow:0 6px 15px rgba(36,107,253,.2)}.exam-results{margin-top:22px;padding:26px 28px}.exam-results-head{align-items:flex-end;padding-bottom:18px;border-bottom:1px solid var(--exam-line)}.exam-results-head p{margin:5px 0 0;color:var(--exam-muted);font-size:12px}.active-filter-tags{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:7px}.active-filter-tags span{padding:6px 10px;border-radius:99px;background:var(--exam-blue-soft);color:var(--exam-blue-deep);font-size:10px;font-weight:700}.paper-list{display:flex;flex-direction:column}.paper-row{display:grid;grid-template-columns:46px minmax(0,1fr) auto;align-items:center;gap:16px;padding:18px 4px;border-bottom:1px solid #edf0f4;color:inherit;text-decoration:none;transition:.16s}.paper-row:last-child{border-bottom:0}.paper-row:hover{padding-left:10px;padding-right:10px;border-radius:12px;background:#f7faff}.pdf-mark{width:42px;height:48px;display:flex;align-items:flex-end;justify-content:center;padding-bottom:7px;border-radius:5px 12px 5px 5px;background:linear-gradient(155deg,#ff6b67,#e63d46);box-shadow:0 7px 15px rgba(222,64,70,.16)}.pdf-mark b{font-size:9px;color:#fff;letter-spacing:.06em}.paper-main{min-width:0}.paper-main strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#202a3a;font-size:14px}.paper-main small{display:block;margin-top:7px;color:#8a94a3;font-size:11px}.paper-meta{display:flex;align-items:center;gap:18px}.paper-meta i{padding:6px 9px;border-radius:7px;background:#eff4fa;color:#53677f;font-size:10px;font-style:normal}.paper-meta em{color:var(--exam-blue);font-size:11px;font-style:normal}.exam-empty{min-height:210px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#7e8999}.exam-empty[hidden]{display:none}.exam-empty b{font-size:15px;color:#3d4a5d}.exam-empty span{margin-top:8px;font-size:11px}.exam-detail-page{padding:28px max(4vw,20px) 55px}.exam-detail-shell{max-width:1380px;margin:auto}.exam-detail-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.exam-detail-head h1{font-size:25px;margin:0}.exam-detail-head a{color:var(--exam-blue);text-decoration:none;font-size:12px}.exam-workspace{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:18px;min-height:760px}.pdf-panel{padding:12px;border:1px solid var(--exam-line);border-radius:16px;background:#fff}.pdf-panel iframe{width:100%;height:100%;min-height:730px;border:0;border-radius:10px;background:#e6e7eb}.exam-actions{display:flex;flex-direction:column;gap:12px}.exam-action-card{padding:20px;border:1px solid var(--exam-line);border-radius:15px;background:#fff}.exam-action-card h2{font-size:17px;margin:0 0 13px}.exam-action-card p{font-size:11px;color:#858691;line-height:1.7}.exam-button{width:100%;height:48px;display:flex;align-items:center;justify-content:center;border:0;border-radius:10px;background:var(--exam-blue-deep);color:#fff;text-decoration:none;font-size:16px;font-weight:700;cursor:pointer}.exam-button.light{margin-top:9px;color:var(--exam-blue-deep);background:var(--exam-blue-soft)}.favorite-button.active{color:#925d00;background:#fff2cc}.answer-placeholder{padding:14px;border-radius:10px;background:var(--exam-blue-soft);color:#31568a;font-size:11px}.related-paper-group+.related-paper-group{margin-top:17px;padding-top:15px;border-top:1px solid #e7e8ec}.related-paper-group h3{margin:0 0 8px;color:#747782;font-size:11px}.related-paper-links{display:flex;flex-direction:column;gap:6px;max-height:205px;overflow:auto}.related-paper-links a{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:9px 10px;border-radius:8px;color:#4d515b;background:#f3f6fa;text-decoration:none;font-size:11px}.related-paper-links a:hover{color:var(--exam-blue-deep);background:var(--exam-blue-soft)}.related-paper-links i{color:#7689a2;font-style:normal;font-size:10px}.pdf-empty{height:100%;min-height:730px;display:grid;place-items:center;border-radius:10px;background:#f0f3f7;color:#7a8492}.exam-button[hidden]{display:none}html[data-theme="dark"] .exams-page,html[data-theme="dark"] .exam-detail-page{background:#090f18!important}html[data-theme="dark"] .exam-filter-card,html[data-theme="dark"] .exam-results,html[data-theme="dark"] .pdf-panel,html[data-theme="dark"] .exam-action-card{background:#111a27!important;border-color:#27354a!important}html[data-theme="dark"] .filter-heading,html[data-theme="dark"] .filter-step,html[data-theme="dark"] .exam-results-head,html[data-theme="dark"] .paper-row{border-color:#263347!important}html[data-theme="dark"] .filter-heading h2,html[data-theme="dark"] .exam-results-head h2,html[data-theme="dark"] .filter-label strong,html[data-theme="dark"] .paper-main strong,html[data-theme="dark"] .exam-detail-head h1,html[data-theme="dark"] .exam-action-card h2{color:#edf4ff!important}html[data-theme="dark"] .filter-chip,html[data-theme="dark"] .filter-heading button{background:#162231!important;border-color:#33445c!important;color:#c7d3e3!important}html[data-theme="dark"] .filter-chip.is-active{background:#3c7cff!important;border-color:#3c7cff!important;color:#fff!important}html[data-theme="dark"] .paper-row:hover{background:#172538!important}html[data-theme="dark"] .paper-meta i{background:#1b2b3e!important;color:#aac0da!important}@media(max-width:760px){.exams-hero{align-items:flex-start;flex-direction:column;padding:42px 22px}.exams-hero-stat{min-width:130px}.exam-browser{width:calc(100% - 24px)}.exam-filter-card,.exam-results{padding:20px 16px}.filter-step{grid-template-columns:1fr;gap:13px}.filter-label small{display:none}.exam-results-head{align-items:flex-start;flex-direction:column}.active-filter-tags{justify-content:flex-start}.paper-row{grid-template-columns:40px minmax(0,1fr)}.paper-meta{grid-column:2;justify-content:space-between}.pdf-mark{width:38px;height:43px}.exam-workspace{grid-template-columns:1fr}.pdf-panel iframe{height:650px}.exam-actions{display:grid;grid-template-columns:1fr 1fr}}@media(max-width:480px){.filter-chip{min-width:64px;padding:9px 12px}.paper-meta em{display:none}.paper-main strong{white-space:normal;line-height:1.5}.paper-main small{line-height:1.6}.exam-actions{grid-template-columns:1fr}.pdf-panel iframe{height:520px;min-height:520px}}