:root{color-scheme:light;--bg:#f6f7fb;--surface:#fff;--surface-2:#f9faff;--surface-3:#eef1f8;--sidebar:#111827;--sidebar-text:#c7cfdf;--text:#192235;--text-2:#46516a;--muted:#838da3;--border:#e6eaf2;--border-strong:#dce2ed;--accent:#6657e8;--accent-hover:#5647d4;--accent-soft:#efedff;--green:#178565;--green-soft:#eaf8f2;--red:#c44e5e;--red-soft:#fff0f1;--amber:#ab741b;--amber-soft:#fff5e2;--blue:#4979dc;--blue-soft:#edf3ff;--shadow:0 8px 30px rgba(26,39,71,.045);--shadow-strong:0 22px 70px rgba(15,23,42,.18)}
:root[data-theme="dark"]{color-scheme:dark;--bg:#10141d;--surface:#181e29;--surface-2:#1d2432;--surface-3:#252d3d;--sidebar:#0c111a;--sidebar-text:#aab4c8;--text:#edf1fa;--text-2:#c4cce0;--muted:#8894aa;--border:#2b3445;--border-strong:#3a4559;--accent:#a49aff;--accent-hover:#b5adff;--accent-soft:#2b2850;--green:#6fdbb4;--green-soft:#1c3c35;--red:#ff8b9a;--red-soft:#3c242d;--amber:#efc474;--amber-soft:#3b3020;--blue:#8eb4ff;--blue-soft:#202e49;--shadow:0 8px 30px rgba(0,0,0,.14);--shadow-strong:0 22px 70px rgba(0,0,0,.45)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);background:var(--bg);color:var(--text);font-family:'DM Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:14px;line-height:1.5;transition:background .2s,color .2s}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.42;cursor:not-allowed}a{color:inherit;text-decoration:none}.app-shell{display:grid;grid-template-columns:252px minmax(0,1fr);min-height:calc(100vh - env(safe-area-inset-top) - env(safe-area-inset-bottom));min-height:calc(100dvh - env(safe-area-inset-top) - env(safe-area-inset-bottom))}.sidebar{position:sticky;top:0;height:100vh;overflow:auto;background:var(--sidebar);color:var(--sidebar-text);padding:23px 14px 16px;display:flex;flex-direction:column;z-index:15}.brand{display:flex;align-items:center;gap:11px;padding:2px 8px 28px;border:0;background:transparent;color:inherit;text-align:left}.brand-icon{position:relative;overflow:hidden;height:41px;width:41px;flex:0 0 41px;border-radius:13px;background:linear-gradient(140deg,#9688ff,#6351de);color:#fff;display:grid;place-items:center;font-family:Manrope,sans-serif;font-size:16px;font-weight:800;box-shadow:0 6px 18px #6351de36}.brand-icon img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:inherit;z-index:1}.brand-icon .brand-fallback{position:relative;z-index:0}.brand-icon.has-custom-icon .brand-fallback{display:none}.brand-copy{display:grid;gap:2px}.brand-copy strong{font-family:Manrope,sans-serif;font-size:14px;color:#fff;letter-spacing:-.25px}.brand-copy small{font-size:10.5px;color:#8d98af}.side-label{font-size:9.5px;letter-spacing:1.45px;font-weight:800;color:#68758c;padding:0 12px 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#2a3547;border-radius:12px;background:#182231}.local-dot{width:7px;height:7px;border-radius:50%;background:#4bd6aa;box-shadow:0 0 0 4px #4bd6aa19;flex:0 0 7px}.local-pill div{display:grid;gap:2px}.local-pill strong{font-size:10.5px;color:#e7edf7}.local-pill small{font-size:9.5px;color:#8897af}.sidebar-foot{text-align:center;color:#66728a;font-size:9px;padding:15px 0 0}.main-area{min-width:0}.topbar{height:69px;position:sticky;top:0;z-index:12;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 clamp(20px,3vw,45px);background:color-mix(in srgb,var(--surface) 92%,transparent);border-bottom:1px solid var(--border);backdrop-filter:blur(18px)}.breadcrumbs{display:flex;align-items:center;gap:11px;color:var(--muted);font-size:11.5px}.breadcrumbs strong{color:var(--text-2);font-weight:700}.crumb-sep{color:var(--border-strong)}.top-actions{display:flex;align-items:center;gap:9px}.offline-chip{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:10.5px;margin-right:6px}.offline-chip span{display:inline-block;width:6px;height:6px;border-radius:50%;background:#34c99b}.icon-button{height:36px;width:36px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text-2);display:grid;place-items:center;font-size:16px;transition:.15s}.icon-button:hover{border-color:var(--accent);color:var(--accent)}.top-action-button{height:36px;display:flex;align-items:center;gap:7px;padding:0 12px;border:1px solid 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var(--border);border-radius:17px;box-shadow:var(--shadow);padding:24px}.progress-overview{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:19px 23px;margin-bottom:25px}.progress-copy{min-width:0}.progress-copy>strong{display:block;font-family:Manrope,sans-serif;font-size:25px;line-height:1.4;letter-spacing:-.8px}.progress-copy>strong small{font-family:'DM Sans',sans-serif;font-size:11px;letter-spacing:0;font-weight:500;color:var(--muted)}.progress-copy p{margin:4px 0 0;color:var(--muted);font-size:10.5px}.progress-visual{display:flex;align-items:center;gap:13px;width:min(43%,390px)}.progress-track{width:100%;height:7px;border-radius:20px;background:var(--surface-3);overflow:hidden}.progress-fill{height:100%;width:0;background:linear-gradient(90deg,var(--accent),#a395ff);border-radius:20px;transition:width 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small{font-size:9.5px;color:var(--muted)}.app-footer{display:flex;align-items:center;gap:15px;flex-wrap:wrap;padding:20px 2px;color:var(--muted);font-size:10px}.app-footer span{margin-right:auto}.app-footer button{border:0;background:transparent;color:var(--muted);font-size:10px;padding:5px}.app-footer button:hover{color:var(--accent)}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:22px;margin-bottom:24px}.section-heading h1{font-size:30px}.section-heading h2{font:800 19px Manrope,sans-serif;margin:0}.section-count{background:var(--surface-3);border:1px solid var(--border);padding:9px 12px;border-radius:10px;color:var(--text-2);font-size:10.5px;font-weight:750;white-space:nowrap}.section-actions{display:flex;align-items:center;gap:8px}.filter-bar{display:flex;align-items:center;gap:9px;margin:0 0 18px}.search-field{flex:1;display:flex;align-items:center;gap:10px;min-height:42px;padding:0 13px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--muted)}.search-field>span{font-size:19px}.search-field input{width:100%;outline:0;border:0;background:transparent;color:var(--text);font-size:11.5px}.search-field:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.select{width:100%;height:40px;border:1px solid var(--border-strong);border-radius:10px;background:var(--surface);color:var(--text-2);padding:0 12px;font-size:11px;outline:none}.select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.filter-select{width:auto;min-width:160px;max-width:215px}.question-list{display:grid;gap:9px}.question-card{display:flex;align-items:flex-start;gap:13px;padding:16px;background:var(--surface);border:1px solid var(--border);border-radius:13px;transition:border-color .15s,background .15s}.question-card:hover{border-color:var(--border-strong);background:var(--surface-2)}.q-badge{display:grid;place-items:center;height:33px;width:33px;flex:0 0 33px;border-radius:10px;background:var(--accent-soft);color:var(--accent);font-size:10px;font-weight:800}.q-content{flex:1;min-width:0}.q-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:9px;color:var(--muted);margin-bottom:6px}.q-source{color:var(--accent);font-weight:750}.question-status{color:var(--muted)}.status-wrong,.error-label{color:var(--red)}.status-correct{color:var(--green)}.fav-label{color:var(--accent)}.flag-label{color:var(--amber)}.q-text{font-size:12px;line-height:1.55;font-weight:700;color:var(--text-2);overflow-wrap:anywhere}.q-summary{margin-top:7px;color:var(--muted);font-size:9.5px}.q-actions{display:flex;gap:6px;flex:0 0 auto}.tiny-button{border:1px solid var(--border);background:var(--surface);color:var(--text-2);border-radius:8px;padding:8px 10px;font-size:9.5px;font-weight:700}.tiny-button:hover{border-color:var(--accent);color:var(--accent)}.pagination{display:flex;justify-content:center;align-items:center;gap:15px;padding:20px 0;color:var(--muted);font-size:10.5px}.pagination .secondary-button{min-height:34px}.empty-state{padding:40px 20px;text-align:center;background:var(--surface);border:1px dashed var(--border-strong);border-radius:14px}.empty-state strong{font-size:13px}.empty-state p{font-size:11px;color:var(--muted);margin:7px 0 0}.inline-summary{margin:-9px 0 16px;font-size:10.5px;color:var(--muted)}.inline-summary strong{color:var(--accent);font-size:13px;margin-right:4px}
.setup-layout{max-width:1120px;margin:0 auto}.exam-badge,.flash-badge{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);background:var(--surface);padding:8px 11px;border-radius:10px;font-size:10px;font-weight:750;color:var(--text-2);white-space:nowrap}.badge-dot{height:7px;width:7px;border-radius:50%;background:var(--green)}.flash-badge{background:var(--amber-soft);border-color:color-mix(in srgb,var(--amber) 25%,var(--border));color:var(--amber)}.setup-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:15px}.setup-main{padding:25px}.setup-heading{display:flex;align-items:flex-start;gap:13px;margin-bottom:21px}.setup-number{height:36px;width:36px;flex:0 0 36px;display:grid;place-items:center;border-radius:11px;background:var(--accent-soft);color:var(--accent);font:800 12px Manrope,sans-serif}.setup-heading h2{font:800 17px Manrope,sans-serif;margin:1px 0 4px}.setup-heading p{font-size:10.5px;line-height:1.5;margin:0;color:var(--muted)}.setup-main>label{display:block;font-size:10.5px;font-weight:750;color:var(--text-2);margin:13px 0 7px}.exam-rules{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:19px 0 20px}.exam-rules>div{display:grid;gap:5px;padding:13px 12px;border-radius:10px;background:var(--surface-2);border:1px solid var(--border)}.exam-rules span{font-size:9px;color:var(--muted)}.exam-rules strong{font:800 18px Manrope,sans-serif;letter-spacing:-.5px}.setup-main>.primary-button{min-height:45px}.scoring-panel{padding:25px}.scoring-panel h2{font-size:20px;margin:1px 0 18px}.score-rule{display:flex;align-items:center;gap:12px;padding:13px 0;border-top:1px solid var(--border)}.score-rule-icon{height:30px;width:30px;flex:0 0 30px;display:grid;place-items:center;border-radius:9px;font-size:15px;font-weight:800}.score-rule-icon.positive{background:var(--green-soft);color:var(--green)}.score-rule-icon.negative{background:var(--red-soft);color:var(--red)}.score-rule-icon.neutral{background:var(--surface-3);color:var(--muted)}.score-rule>div{display:grid;gap:3px}.score-rule strong{font-size:11px}.score-rule small{font-size:11px;color:var(--muted)}.small-note{font-size:10px;line-height:1.65;color:var(--muted);margin:17px 0 0}.error-pool-summary{display:flex;align-items:center;gap:11px;padding:14px;border:1px solid var(--border);border-radius:11px;background:var(--surface-2);margin-top:10px}.error-pool-summary strong{font:800 27px Manrope,sans-serif;color:var(--red)}.error-pool-summary span{font-size:10.5px;line-height:1.4;color:var(--muted)}.flash-explainer{position:relative;overflow:hidden}.flash-illustration{height:44px;width:44px;border-radius:14px;background:var(--amber-soft);color:var(--amber);display:grid;place-items:center;font-size:23px;margin-bottom:16px}.flash-explainer h2{font-size:21px;max-width:300px;line-height:1.25;margin:2px 0 10px}.flash-explainer>p{font-size:11px;line-height:1.7;color:var(--muted);margin:0 0 20px}.flash-feature{display:flex;align-items:center;gap:11px;border-top:1px solid var(--border);padding:12px 0;font-size:10.5px;font-weight:700;color:var(--text-2)}.flash-feature span:first-child{font-size:9px;color:var(--accent);font-weight:800}
.session-host{max-width:1400px;margin:0 auto}.exam-session-top,.flash-session-top{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:3px 0 17px}.exam-session-top h2,.flash-session-top h2{font:800 22px Manrope,sans-serif;letter-spacing:-.6px;margin:0}.exam-session-top h2 small,.flash-session-top h2 small{font:500 13px 'DM Sans',sans-serif;color:var(--muted)}.exam-session-top p{font-size:10.5px;color:var(--muted);margin:4px 0 0}.exam-top-actions{display:flex;align-items:center;gap:12px}.timer-pill{display:grid;gap:2px;padding:8px 13px;border-radius:11px;border:1px solid var(--border);background:var(--surface);min-width:115px}.timer-pill span{color:var(--muted);font-size:8.5px}.timer-pill strong{font:800 20px Manrope,sans-serif;letter-spacing:.5px}.timer-pill.timer-danger,.timer-pill:has(.timer-danger){border-color:var(--red)}#examTimer.timer-danger{color:var(--red)}.exam-progress-track{height:5px;background:var(--surface-3);border-radius:10px;overflow:hidden;margin-bottom:15px}.exam-progress-track>span{display:block;height:100%;background:var(--accent);border-radius:10px;transition:width .2s}.exam-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:14px;align-items:start}.exam-question-card{padding:26px}.quiz-question-meta{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:9.5px;margin-bottom:14px;flex-wrap:wrap}.quiz-question-meta .chip{background:var(--accent-soft);color:var(--accent);padding:5px 8px;border-radius:6px;font-weight:800}.quiz-question{font:800 20px/1.55 Manrope,sans-serif;letter-spacing:-.45px;margin:0 0 22px;color:var(--text);overflow-wrap:anywhere}.option-list{display:grid;gap:9px}.option-button{display:flex;align-items:flex-start;gap:12px;padding:13px 15px;border:1px solid var(--border-strong);background:var(--surface);border-radius:11px;text-align:left;color:var(--text-2);line-height:1.55;font-size:11.5px;transition:.12s;width:100%}.option-button:hover:not(:disabled){border-color:var(--accent);background:var(--surface-2)}.option-letter{display:grid;place-items:center;height:27px;width:27px;border:1px solid var(--border-strong);border-radius:8px;flex:0 0 27px;font-size:10px;font-weight:800;color:var(--muted)}.option-button.selected{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 2px color-mix(in srgb,var(--accent) 12%,transparent)}.option-button.selected .option-letter{background:var(--accent);color:#fff;border-color:var(--accent)}.option-button.correct{border-color:var(--green);background:var(--green-soft)}.option-button.correct .option-letter{background:var(--green);border-color:var(--green);color:#fff}.option-button.wrong{border-color:var(--red);background:var(--red-soft)}.option-button.wrong .option-letter{background:var(--red);border-color:var(--red);color:#fff}.exam-question-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:25px;padding-top:18px;border-top:1px solid var(--border)}.exam-question-controls>div{display:flex;gap:8px}.exam-navigator{padding:20px;position:sticky;top:88px}.exam-navigator .panel-heading{margin-bottom:14px}.exam-navigator h3{font:800 14px Manrope,sans-serif;margin:0}.navigator-count{font-size:10px;color:var(--accent);font-weight:800}.question-number-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:7px}.question-number{aspect-ratio:1;border-radius:8px;background:var(--surface);border:1px solid var(--border-strong);color:var(--muted);font-size:10px;font-weight:800}.question-number.current{box-shadow:0 0 0 2px var(--accent);border-color:var(--accent);color:var(--accent)}.question-number.answered:not(.current){background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 30%,var(--border));color:var(--accent)}.navigator-legend{display:grid;gap:7px;margin:14px 0 18px;font-size:9px;color:var(--muted)}.navigator-legend span{display:flex;align-items:center;gap:7px}.navigator-legend i{height:8px;width:8px;border-radius:3px;display:inline-block}.legend-answered{background:var(--accent)}.legend-empty{background:var(--surface-3);border:1px solid var(--border-strong)}.exam-navigator .small-note{margin-top:10px;font-size:9px}.exam-result-panel{max-width:960px;margin:0 auto 24px;padding:33px}.result-topline{display:flex;align-items:center;gap:11px;margin-bottom:14px}.result-topline .eyebrow{margin:0}.result-check{height:36px;width:36px;border-radius:12px;display:grid;place-items:center;background:var(--green-soft);color:var(--green);font-size:16px;font-weight:800}.exam-result-panel h2{font:800 28px Manrope,sans-serif;letter-spacing:-.7px}.exam-score-hero{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:22px 0;padding:22px;border-radius:16px;background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 15%,var(--border))}.exam-score-hero>div:first-child>span{display:block;font-size:8.5px;letter-spacing:1.2px;font-weight:800;color:var(--muted)}.exam-score-hero>div:first-child>strong{display:block;font:800 42px Manrope,sans-serif;letter-spacing:-1.6px;color:var(--accent);margin-top:5px}.exam-score-hero>div:first-child>strong small{font:600 13px 'DM Sans',sans-serif;color:var(--muted);letter-spacing:0}.exam-score-hero p{font-size:10.5px;color:var(--text-2);margin:5px 0 0}.score-dial{height:91px;width:91px;flex:0 0 91px;border-radius:50%;border:5px solid color-mix(in srgb,var(--accent) 25%,transparent);display:grid;place-content:center;text-align:center;color:var(--accent)}.score-dial strong{font:800 23px Manrope,sans-serif}.score-dial strong small{font:500 10px 'DM Sans',sans-serif;color:var(--muted)}.score-dial span{font-size:8.5px;color:var(--muted)}.finish-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;margin:20px 0}.finish-stat{background:var(--surface-2);border:1px solid var(--border);border-radius:11px;padding:13px;text-align:center}.finish-stat strong{display:block;font:800 22px Manrope,sans-serif}.finish-stat span{display:block;color:var(--muted);font-size:9px;margin-top:4px}.result-actions{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-top:19px}.result-review{margin-top:30px}.result-review .section-heading{align-items:center}.result-review .section-heading h2{font-size:21px}.result-question-list{display:grid;gap:12px}.result-question{padding:20px;border-radius:13px;background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--border-strong)}.result-question.result-correct{border-left-color:var(--green)}.result-question.result-wrong{border-left-color:var(--red)}.result-question.result-blank{border-left-color:var(--muted)}.result-question-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}.result-q-number{height:26px;width:26px;display:grid;place-items:center;background:var(--surface-3);border-radius:8px;font-size:10px;font-weight:800}.result-q-status{font-size:9.5px;font-weight:800;color:var(--text-2)}.result-correct .result-q-status{color:var(--green)}.result-wrong .result-q-status{color:var(--red)}.result-question h3{font-size:13px;line-height:1.6;margin:0 0 11px}.result-question p{font-size:10.5px;color:var(--text-2);margin:6px 0}.result-correct-answer strong{color:var(--green)}.result-chosen strong{color:var(--text)}.source-note{display:block;font-size:9px;color:var(--muted);margin-top:12px}.flash-question-card{max-width:920px;margin:0 auto;padding:30px}.flash-hint{color:var(--muted);font-size:10.5px;margin:-10px 0 17px}.flash-question-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:20px}.quiz-feedback{margin-top:17px;border-radius:11px;padding:15px 16px;font-size:10.5px;line-height:1.65}.feedback-correct{background:var(--green-soft);border:1px solid color-mix(in srgb,var(--green) 30%,var(--border));color:var(--text-2)}.feedback-wrong{background:var(--red-soft);border:1px solid color-mix(in srgb,var(--red) 30%,var(--border));color:var(--text-2)}.quiz-feedback>strong{display:block;font-size:11px;margin-bottom:5px;color:var(--text)}.quiz-feedback p{margin:5px 0}.solution-box{margin-top:13px;padding:13px 14px;border-radius:10px;background:var(--surface);border:1px solid var(--border);color:var(--text-2);font-size:10.5px;line-height:1.65}.solution-box strong{display:block;font-size:10.5px;color:var(--text);margin-bottom:4px}.solution-box p{margin:3px 0}.solution-pending{background:var(--amber-soft);border-color:color-mix(in srgb,var(--amber) 28%,var(--border))}.provisional-note{font-size:9px;color:var(--muted)}.flash-finish{text-align:center;max-width:760px;margin:30px auto;padding:35px}.flash-finish .finish-icon{margin:0 auto 15px;height:52px;width:52px;border-radius:16px;background:var(--amber-soft);color:var(--amber);display:grid;place-items:center;font-size:24px}.flash-finish h2{font-size:26px}.flash-finish>p{max-width:500px;margin:8px auto 20px;font-size:11px;line-height:1.7;color:var(--muted)}.flash-finish .finish-stats{grid-template-columns:repeat(3,minmax(0,1fr));max-width:460px;margin:20px auto}.flash-finish .result-actions{justify-content:center}
.reference-page-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:15px;align-items:start}.reference-page-card{display:flex;flex-direction:column;align-items:center;gap:11px;width:100%;padding:16px;border:1px solid var(--border);background:var(--surface);border-radius:15px;box-shadow:var(--shadow);color:var(--text);text-align:left}.reference-page-card:hover{border-color:var(--accent)}.reference-page-label{align-self:flex-start;font-size:9px;font-weight:800;letter-spacing:1px;color:var(--muted)}.reference-page-card img{display:block;max-width:100%;max-height:72vh;width:auto;height:auto;object-fit:contain;border-radius:4px;background:#fff}.reference-footnote{font-size:10px;color:var(--muted);margin-top:13px}.link-button{white-space:nowrap}.modal-backdrop{position:fixed;inset:0;z-index:50;background:rgba(7,12,22,.62);backdrop-filter:blur(7px);display:flex;align-items:center;justify-content:center;padding:18px}.hidden{display:none!important}.modal-card{background:var(--surface);border-radius:17px;border:1px solid var(--border);box-shadow:var(--shadow-strong);width:min(760px,100%);max-height:min(91vh,920px);overflow:auto;padding:23px}.modal-header{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:18px}.modal-header h2{font:800 19px/1.4 Manrope,sans-serif;letter-spacing:-.35px;margin:0;color:var(--text)}.modal-meta-line{font-size:10px;color:var(--muted);margin-bottom:13px}.modal-options{display:grid;gap:8px}.modal-option{display:flex;gap:10px;padding:11px 12px;border:1px solid var(--border);border-radius:9px;font-size:10.5px;line-height:1.5;color:var(--text-2);background:var(--surface)}.modal-option .letter{font-weight:800;color:var(--accent);flex:0 0 19px}.modal-option.answer-key{border-color:var(--green);background:var(--green-soft)}.modal-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:17px}.settings-card{width:min(580px,100%)}.settings-section{border-top:1px solid var(--border);padding:16px 0}.settings-section strong{font-size:12px}.settings-section p{font-size:10.5px;line-height:1.65;color:var(--muted);margin:7px 0 12px}.import-label{display:inline-flex!important;cursor:pointer;margin-left:7px}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);background:#182234;color:#fff;border:1px solid #36435a;border-radius:11px;padding:12px 17px;font-size:11px;opacity:0;pointer-events:none;transition:.2s;z-index:100;box-shadow:0 12px 30px #09112233;max-width:min(600px,calc(100vw - 24px));text-align:center}.toast.visible{opacity:1;transform:translate(-50%,0)}
.reference-backdrop{z-index:70;padding:12px}.reference-modal-card{display:flex;flex-direction:column;width:min(1540px,100%);max-height:calc(100vh - 24px);border-radius:17px;border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow-strong);overflow:hidden}.reference-modal-header{padding:17px 21px 13px;margin:0;flex-shrink:0}.reference-modal-header h2{font-size:19px}.reference-modal-header p{font-size:10px;color:var(--muted);margin:5px 0 0}.reference-modal-pages{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.72fr);align-items:center;gap:12px;overflow:auto;padding:12px 19px 15px;background:var(--bg);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.reference-modal-page{min-width:0;margin:0;display:flex;flex-direction:column;align-items:center;gap:8px}.reference-modal-page figcaption{align-self:flex-start;color:var(--muted);font-size:8.5px;letter-spacing:1px;font-weight:800}.reference-modal-page img{display:block;max-width:100%;width:auto;height:auto;max-height:66vh;object-fit:contain;background:#fff;border-radius:4px;box-shadow:0 2px 14px rgba(0,0,0,.1)}.reference-modal-footer{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 20px;flex-shrink:0}.reference-modal-actions{display:flex;justify-content:flex-end;gap:8px}.reference-modal-actions .primary-button{min-height:41px}
.dup-legend{display:flex;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:10px;margin:-5px 0 17px}.dup-legend span{display:flex;align-items:center;gap:6px}.legend-dot{width:7px;height:7px;border-radius:50%;display:inline-block}.legend-dot.exact{background:var(--accent)}.legend-dot.near{background:var(--amber)}.legend-dot.decided{background:var(--green)}.duplicate-list{display:grid;gap:12px}.duplicate-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:17px}.duplicate-head{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:12px}.duplicate-head strong{font-size:11px}.kind-tag{font-size:9px;padding:5px 7px;border-radius:6px;font-weight:800}.kind-tag.exact{background:var(--accent-soft);color:var(--accent)}.kind-tag.near{background:var(--amber-soft);color:var(--amber)}.kind-tag.decided{background:var(--green-soft);color:var(--green)}.similarity{font-size:9.5px;color:var(--muted);margin-left:auto}.duplicate-pair{display:grid;grid-template-columns:1fr 1fr;gap:10px}.duplicate-question{background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:12px}.duplicate-question .dq-meta{font-size:9px;color:var(--muted);margin-bottom:7px}.duplicate-question p{font-size:10.5px;line-height:1.6;color:var(--text-2);margin:0;overflow-wrap:anywhere}.duplicate-actions{display:flex;align-items:center;gap:7px;margin-top:12px;flex-wrap:wrap}.duplicate-actions .dupe-help{font-size:9px;color:var(--muted);margin-right:auto}.decision-button{border:1px solid var(--border-strong);border-radius:8px;background:var(--surface);padding:8px 10px;color:var(--text-2);font-size:9.5px;font-weight:750}.decision-button.same{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.decision-button.different{background:var(--green-soft);border-color:var(--green);color:var(--green)}.decision-button.undo{background:var(--red-soft);border-color:var(--red);color:var(--red)}.error-panel{padding:28px}.error-panel p{font-size:12px;color:var(--muted)}
@media(max-width:1280px){.app-shell{grid-template-columns:230px minmax(0,1fr)}.launch-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.launch-card{min-height:200px}.setup-grid{grid-template-columns:minmax(0,1fr) minmax(260px,.85fr)}.exam-layout{grid-template-columns:minmax(0,1fr) 240px}.content-wrap{padding-left:27px;padding-right:27px}}
@media(max-width:900px){.app-shell{grid-template-columns:72px minmax(0,1fr)}.sidebar{padding:18px 8px 12px;align-items:center}.brand{padding:0 0 24px}.brand-copy,.side-label,.nav-item span:not(.nav-icon),.sidebar-bottom{display:none}.brand-icon{width:42px;height:42px;flex-basis:42px}.main-nav{width:100%}.nav-item{justify-content:center;padding:0;height:44px;min-height:44px}.nav-icon{font-size:20px}.main-area{min-width:0}.topbar{height:62px;padding:0 18px}.mobile-brand{display:flex}.breadcrumbs{display:none}.top-actions{gap:7px}.offline-chip{display:none}.content-wrap{padding:23px 20px 34px}.dashboard-bottom-grid{grid-template-columns:1fr}.setup-grid{grid-template-columns:1fr}.scoring-panel{padding:22px}.exam-layout{grid-template-columns:1fr}.exam-navigator{position:static;order:-1}.question-number-grid{grid-template-columns:repeat(15,minmax(0,1fr))}.question-number{aspect-ratio:unset;height:34px}.reference-modal-pages{grid-template-columns:minmax(0,1fr) minmax(220px,.72fr)}.reference-modal-page img{max-height:61vh}}
@media(max-width:600px){.content-wrap{padding:18px 12px 27px}.topbar{padding:0 10px}.top-action-button{width:36px;padding:0;justify-content:center}.top-action-button span{display:none}.icon-button{height:34px;width:34px}.mobile-brand{font-size:11.5px}.hero-row{align-items:flex-start;flex-direction:column;gap:15px}.hero-row h1,.section-heading h1{font-size:26px;letter-spacing:-.8px}.hero-button{width:100%}.progress-overview{align-items:flex-start;flex-direction:column;gap:13px;padding:17px}.progress-copy>strong{font-size:23px}.progress-visual{width:100%}.launch-grid{grid-template-columns:1fr;gap:10px}.launch-card{min-height:0;padding:16px}.launch-symbol{margin-bottom:11px;width:36px;height:36px}.launch-arrow{padding-top:12px}.dashboard-bottom-grid{gap:10px}.panel{padding:17px}.section-heading{align-items:flex-start;flex-direction:column;gap:13px}.section-actions{width:100%;flex-wrap:wrap}.section-actions button{flex:1}.filter-bar{flex-wrap:wrap}.search-field{flex-basis:100%;min-height:41px}.filter-select{width:calc(50% - 5px);min-width:0;max-width:none;flex:1}.question-card{padding:12px;gap:9px}.q-badge{height:29px;width:29px;flex-basis:29px}.q-actions{flex-direction:column}.tiny-button{padding:7px}.q-text{font-size:11px}.q-summary{font-size:8.5px}.q-meta{font-size:8.5px}.setup-main,.scoring-panel{padding:18px}.setup-heading h2{font-size:15px}.exam-rules{gap:6px}.exam-rules>div{padding:10px 8px}.exam-rules strong{font-size:16px}.exam-rules span{font-size:8px}.exam-session-top,.flash-session-top{align-items:flex-start}.exam-session-top h2,.flash-session-top h2{font-size:19px}.exam-top-actions{flex-direction:column;align-items:flex-end;gap:7px}.timer-pill{min-width:100px;padding:7px 10px}.timer-pill strong{font-size:18px}.exam-question-card,.flash-question-card{padding:18px 14px}.quiz-question{font-size:17px;line-height:1.5}.option-button{font-size:10.5px;padding:11px}.exam-question-controls{align-items:stretch;flex-direction:column}.exam-question-controls>div{display:grid;grid-template-columns:1fr 1.5fr}.exam-question-controls>button{width:100%}.exam-navigator{padding:15px}.question-number-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.result-actions{display:grid;grid-template-columns:1fr}.exam-result-panel{padding:20px 14px}.exam-result-panel h2{font-size:23px}.exam-score-hero{padding:15px}.exam-score-hero>div:first-child>strong{font-size:32px}.score-dial{height:72px;width:72px;flex-basis:72px}.finish-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.result-question{padding:15px}.reference-page-grid{grid-template-columns:1fr}.reference-page-card img{max-height:none;width:auto;max-width:100%}.reference-modal-backdrop{padding:0}.reference-modal-card{max-height:100vh;border-radius:0}.reference-modal-pages{grid-template-columns:1fr;padding:10px;gap:14px}.reference-modal-page img{max-height:none;width:auto;max-width:100%}.reference-modal-header{padding:14px}.reference-modal-header h2{font-size:16px}.reference-modal-footer{align-items:stretch;flex-direction:column;padding:11px}.reference-modal-footer>.link-button{width:100%}.reference-modal-actions{display:grid;grid-template-columns:.7fr 1.3fr}.reference-modal-actions button{white-space:normal}.modal-backdrop{padding:8px}.modal-card{padding:17px 14px;border-radius:13px}.modal-header h2{font-size:16px}.duplicate-pair{grid-template-columns:1fr}.similarity{margin-left:0}.duplicate-card{padding:13px}.duplicate-actions .dupe-help{flex-basis:100%}.app-footer{gap:8px}.app-footer span{flex-basis:100%}}