:root{--ink:#18243c;--muted:#79849a;--pale:#f4f6fb;--line:#e8ebf2;--indigo:#4b59ce;--indigo-dark:#3847b4;--navy:#202d49;--green:#27a77a;--white:#fff;--shadow:0 9px 30px rgba(33,48,85,.055)}*{box-sizing:border-box}body{margin:0;background:var(--pale);color:var(--ink);font-family:'DM Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:14px}.app-shell{min-height:100vh}.sidebar{width:250px;background:#fff;border-right:1px solid var(--line);position:fixed;inset:0 auto 0 0;padding:25px 16px 18px;display:flex;flex-direction:column;z-index:3}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);padding:0 8px 22px}.brand-mark{width:38px;height:38px;background:#eef0ff;color:var(--indigo);border-radius:12px;display:grid;place-items:center}.brand-mark svg{width:25px;height:25px}.brand b{font-family:Manrope,sans-serif;display:block;font-size:16px;font-weight:800;letter-spacing:-.5px}.brand 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7px;border-radius:6px;color:#8490a7}.subject-list{overflow:auto;min-height:0}.subject-item{display:flex;align-items:center;width:100%;height:37px;border:0;background:transparent;color:#68758c;text-align:left;gap:10px;padding:0 9px;border-radius:8px;font:500 12px 'DM Sans',sans-serif;cursor:pointer}.subject-item:hover,.nav-item:hover{background:#f4f5fb}.subject-num{width:20px;height:20px;display:grid;place-items:center;border-radius:6px;background:#f2f4f9;color:#7b88a1;font-size:10px;font-weight:700}.subject-item span:nth-child(2){overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.subject-count{margin-left:auto;color:#a2aabb;font-size:10px}.sidebar-bottom{margin-top:auto;padding:15px 5px 0;border-top:1px solid #eef0f5;color:#69758b;font-size:11px;white-space:nowrap}.local-dot,.green-dot,.tiny-dot{display:inline-block;width:7px;height:7px;background:#2cb787;border-radius:50%;margin-right:6px;vertical-align:1px}.offline{float:right;color:#9aa5b6;font-size:8px;font-weight:700;letter-spacing:.8px;border:1px solid #e8ebf2;border-radius:4px;padding:3px 5px}.main-area{margin-left:250px;min-height:100vh}.topbar{height:64px;border-bottom:1px solid #e9ecf3;background:rgba(255,255,255,.85);display:flex;justify-content:space-between;align-items:center;padding:0 44px;position:sticky;top:0;z-index:2;backdrop-filter:blur(12px)}.breadcrumb{display:flex;align-items:center;gap:11px;color:#8994a8;font-size:12px}.breadcrumb strong{font-weight:600;color:#35415a}.crumb-slash{color:#c3c9d4}.top-actions{display:flex;align-items:center;gap:14px}.sync-pill{background:#f7faf8;border:1px solid #e9f1ed;color:#547568;border-radius:20px;padding:7px 10px;font-size:10px}.green-dot{width:6px;height:6px}.avatar{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:#e9ebff;color:#4b59ce;font-weight:700;font-size:12px}.page-content{max-width:1300px;margin:auto;padding:39px 44px 0}.welcome-row{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:28px}.eyebrow{font-size:9px;color:#8c96ab;font-weight:700;letter-spacing:1.4px}.welcome-row h1{font-family:Manrope,sans-serif;font-size:27px;letter-spacing:-.9px;margin:11px 0 7px;font-weight:700;color:#1d2942}.welcome-copy{color:#8490a3;font-size:12px;margin:0}.date-chip{font-size:8px;color:#99a3b4;letter-spacing:.9px;display:flex;align-items:center;gap:7px;padding:8px 10px;background:#fff;border:1px solid var(--line);border-radius:8px;margin-bottom:2px}.date-icon{color:#dfac53;font-size:13px}.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px}.stat-card{background:#fff;border:1px solid #eaedf3;border-radius:11px;padding:16px 17px 14px;box-shadow:0 3px 10px rgba(40,51,80,.02)}.stat-top{display:flex;align-items:center;justify-content:space-between;color:#8792a5;font-size:10px}.stat-icon{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-size:13px}.blue-icon{background:#edf0ff;color:#5564d4}.purple-icon{background:#f3efff;color:#8c72d3}.gold-icon{background:#fff7e8;color:#d89e3e}.green-icon{background:#eaf8f3;color:#2caa7b}.stat-value{font-family:Manrope,sans-serif;font-size:25px;font-weight:800;letter-spacing:-1px;margin:6px 0 3px}.stat-foot{color:#a0a8b7;font-size:9px}.blue-dot{background:#5c6ce1;width:6px;height:6px}.stat-unit{font-family:'DM Sans',sans-serif;font-size:11px;font-weight:500;color:#98a2b3;letter-spacing:0}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;margin:35px 0 13px}.section-heading h2{font-family:Manrope,sans-serif;font-size:18px;letter-spacing:-.45px;margin:5px 0 0}.text-button{border:0;background:transparent;color:#6977cc;font:600 10px 'DM Sans',sans-serif;cursor:pointer}.text-button span{margin-left:5px;font-size:14px}.start-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.start-card{min-height:74px;display:flex;align-items:center;gap:12px;padding:12px 14px;text-align:left;border-radius:11px;background:#fff;border:1px solid #e9ecf3;cursor:pointer;color:var(--ink);transition:.16s}.start-card:hover,.reading-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#d9defa}.primary-start{background:#4d5bd0;color:white;border-color:#4d5bd0}.primary-start:hover{background:#4654c5;border-color:#4654c5}.start-symbol{width:35px;height:35px;background:#6875df;color:#fff;border-radius:10px;display:grid;place-items:center;font-size:20px}.cfa-symbol{background:#edf0ff;color:#535fc8;font-size:16px;font-weight:800}.uworld-symbol{background:#eaf8f2;color:#339d73;font-size:15px;font-weight:800}.start-info{display:flex;flex-direction:column;gap:4px}.start-info b{font-size:11px;font-weight:700}.start-info small{font-size:9px;color:#939db0}.primary-start .start-info small{color:#d7dcff}.start-arrow{margin-left:auto;font-size:17px;color:#a1aabc}.primary-start .start-arrow{color:#e1e5ff}.readings-heading{margin-top:32px;align-items:flex-end}.search-box{height:32px;display:flex;align-items:center;gap:7px;background:#fff;border:1px solid #e7eaf1;border-radius:8px;padding:0 8px;color:#9ba5b6}.search-box>span{font-size:19px;line-height:1}.search-box input{width:150px;border:0;outline:0;font:10px 'DM Sans',sans-serif;color:var(--ink)}.search-box kbd{font:8px 'DM Sans',sans-serif;color:#9da7b7;border:1px solid #edf0f4;border-radius:4px;padding:3px 5px}.reading-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.reading-card{border:1px solid #e9ecf3;background:#fff;border-radius:10px;padding:12px 13px;display:flex;gap:11px;align-items:center;text-align:left;cursor:pointer;transition:.16s;color:var(--ink)}.reading-number{flex:0 0 31px;height:31px;border-radius:9px;background:#f0f2ff;color:#5664d0;display:grid;place-items:center;font:700 11px Manrope,sans-serif}.reading-text{min-width:0;display:flex;flex-direction:column;gap:4px}.reading-text strong{font-size:10px;line-height:1.4;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.reading-text small{font-size:9px;color:#99a3b4}.reading-total{margin-left:auto;align-self:flex-start;color:#a0a9b8;font-size:9px;padding-top:1px}.page-footer{border-top:1px solid #e7eaf1;color:#a6afbd;font-size:8px;letter-spacing:.45px;display:flex;justify-content:space-between;padding:16px 0 20px;margin-top:28px}.hidden{display:none!important}.quiz-page{max-width:1150px;margin:0 auto;padding:28px 46px 0}.quiz-back-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.back-button{border:0;background:transparent;color:#68758d;font:500 11px 'DM Sans',sans-serif;cursor:pointer;padding:7px 0}.back-button:hover{color:var(--indigo)}.back-button span{margin-left:5px}.quiz-meta-pills{display:flex;gap:7px}.source-badge{border-radius:20px;background:#edf0ff;color:#5966cb;padding:6px 10px;font-size:9px;font-weight:600}.muted-badge{background:#fff;color:#8994a8;border:1px solid #e9ecf3}.quiz-layout{display:grid;grid-template-columns:minmax(0,1fr) 235px;gap:24px;align-items:start}.question-column{background:#fff;border:1px solid #e9ecf3;border-radius:13px;padding:23px 25px 20px;box-shadow:0 4px 15px rgba(42,54,88,.025)}.question-progress-row{display:flex;justify-content:space-between;color:#969fb0;font-size:9px;font-weight:700;letter-spacing:.75px}.progress-track{height:4px;background:#edf0f5;border-radius:3px;margin:11px 0 26px;overflow:hidden}.progress-track div{height:100%;background:linear-gradient(90deg,#5160d4,#8c8ff0);border-radius:3px;transition:width .25s}.question-label{display:flex;align-items:center;gap:8px;color:#919bad;font-size:9px;margin-bottom:12px}.question-label .los-tag{color:#6875ce;background:#f0f1ff;border-radius:5px;padding:4px 6px}.question-text{font-family:Manrope,'DM Sans',sans-serif;font-size:17px;line-height:1.65;letter-spacing:-.2px;font-weight:650;color:#202b43;white-space:pre-wrap;margin:0 0 20px}.choice-list{display:flex;flex-direction:column;gap:9px}.choice-option{width:100%;display:flex;align-items:flex-start;gap:11px;text-align:left;padding:12px 13px;border:1px solid #e8ebf2;border-radius:9px;background:#fff;cursor:pointer;color:#46536b;font:400 11px/1.65 'DM Sans',sans-serif;transition:.15s}.choice-option:hover{border-color:#bac1f1;background:#fcfcff}.choice-key{flex:0 0 23px;height:23px;display:grid;place-items:center;border-radius:7px;background:#f2f4f8;color:#77849a;font-size:10px;font-weight:700}.choice-option.selected{border-color:#7884df;background:#f7f7ff}.choice-option.selected .choice-key{background:#e8eaff;color:#4f5dcc}.choice-option.correct{border-color:#75c4a4;background:#f1fbf7}.choice-option.correct .choice-key{background:#dff5eb;color:#21966a}.choice-option.wrong{border-color:#e6a29e;background:#fff8f7}.choice-option.wrong .choice-key{background:#fce9e7;color:#cf635e}.choice-status{margin-left:auto;flex:0 0 18px;text-align:right;font-size:14px}.explanation{margin-top:15px;padding:13px 14px;border-radius:9px;background:#f7f8fc;border:1px solid #edf0f5;color:#68748a;font-size:10px;line-height:1.7}.explanation-head{display:flex;align-items:center;gap:6px;color:#293650;font-size:10px;font-weight:700;margin-bottom:7px}.explanation-head .answer-value{color:#2ca67c;background:#e8f7f0;padding:3px 6px;border-radius:5px;margin-left:2px}.explanation p{margin:0;white-space:pre-wrap}.quiz-controls{display:flex;justify-content:space-between;align-items:center;margin-top:18px}.skip-button{border:0;background:transparent;color:#8c96a9;font:500 10px 'DM Sans',sans-serif;cursor:pointer}.primary-button{border:0;border-radius:8px;background:#4e5cd0;color:#fff;padding:11px 17px;font:600 10px 'DM Sans',sans-serif;cursor:pointer;box-shadow:0 4px 10px rgba(73,87,199,.18)}.primary-button:hover{background:#3f4dbd}.primary-button:disabled{background:#c8cce8;box-shadow:none;cursor:not-allowed}.primary-button span{margin-left:9px}.quiz-side{display:flex;flex-direction:column;gap:12px}.side-card,.tip-card,.privacy-card{background:#fff;border:1px solid #e9ecf3;border-radius:11px;padding:15px}.side-card-title{font-size:10px;color:#59667d;font-weight:700}.side-spark{color:#d4a24f;margin-right:5px}.side-score{display:flex;align-items:baseline;gap:6px;margin:14px 0 12px;color:#8b96a9;font-size:9px}.side-score b{font:800 20px Manrope,sans-serif;color:#24304a}.side-score i{font-style:normal;color:#c0c6d1;padding:0 2px}.side-divider{height:1px;background:#eef0f5;margin:0 0 11px}.side-metric{display:flex;justify-content:space-between;color:#8d98aa;font-size:9px;margin-top:8px}.side-metric b{color:#4a5870;font-size:10px}.tip-card{background:#fffaf1;border-color:#f4ead4}.tip-icon{display:block;color:#c29444;font-size:16px;margin-bottom:8px}.tip-card b{font-size:10px;color:#625337}.tip-card p{color:#95896f;font-size:9px;line-height:1.6;margin:6px 0 0}.privacy-card{display:flex;align-items:center;gap:9px;padding:12px}.lock-icon{width:27px;height:27px;border-radius:8px;background:#eef8f3;color:#42a17d;display:grid;place-items:center;font-size:13px}.privacy-card div{display:flex;flex-direction:column;gap:4px}.privacy-card b{font-size:9px;color:#536377}.privacy-card small{font-size:8px;color:#9ca6b5}.privacy-check{margin-left:auto;color:#35a87c}.quiz-footer{margin-top:24px}.results-page{min-height:calc(100vh - 64px);display:grid;place-items:center;padding:35px}.results-card{width:min(480px,100%);background:#fff;border:1px solid #e9ecf3;border-radius:16px;padding:38px;text-align:center;box-shadow:var(--shadow)}.results-icon{width:55px;height:55px;border-radius:17px;background:#e9f8f1;color:#28a477;display:grid;place-items:center;font-size:24px;margin:0 auto 18px}.results-card h1{font:750 23px Manrope,sans-serif;letter-spacing:-.7px;margin:10px 0}.results-card>p{font-size:11px;color:#8994a7}.result-numbers{display:grid;grid-template-columns:repeat(3,1fr);margin:26px 0;padding:17px 0;border-block:1px solid #edf0f5}.result-numbers div{display:flex;flex-direction:column;gap:5px}.result-numbers b{font:800 22px Manrope,sans-serif;color:#24304a}.result-numbers span{font-size:9px;color:#98a2b3}.results-card .primary-button{width:100%;padding:13px}.results-card>.back-button{margin-top:12px}.empty-state{grid-column:1/-1;color:#97a2b4;padding:25px;text-align:center;background:#fff;border:1px dashed #dfe3ec;border-radius:10px;font-size:11px}
@media(max-width:1100px){.sidebar{width:220px}.main-area{margin-left:220px}.page-content{padding:31px 27px 0}.topbar{padding:0 27px}.reading-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.quiz-page{padding:24px 26px 0}.quiz-layout{grid-template-columns:minmax(0,1fr) 205px;gap:15px}.question-column{padding:20px}.start-grid{gap:9px}.start-card{padding:10px}.welcome-row h1{font-size:24px}}
.mock-start{border-color:#dfe3f6;background:linear-gradient(105deg,#fff,#f7f8ff)}.mock-symbol{background:#f0efff;color:#6158c7}.timer-badge{background:#fff2e8;color:#b46335;border:1px solid #f5dcc9;font-variant-numeric:tabular-nums;letter-spacing:.5px}.question-stat{margin-left:auto;color:#8995aa;font-size:9px}.mock-nav{display:flex;gap:8px;align-items:center}.secondary-button{border:1px solid #e5e8f0;background:#fff;color:#6b7890;padding:10px 13px;border-radius:8px;font:600 10px 'DM Sans',sans-serif;cursor:pointer}.secondary-button:disabled{opacity:.4;cursor:not-allowed}.mock-nav .primary-button{padding:11px 14px}.mock-mode .choice-option{min-height:47px}.mock-mode .choice-option.selected{border-color:#7884df;background:#f7f7ff}.mock-mode .choice-option.selected .choice-key{background:#e8eaff;color:#4f5dcc}
@media(max-width:760px){.sidebar{width:58px;padding:17px 8px}.brand{padding:0 2px 18px}.brand-mark{width:38px;flex:0 0 38px}.brand>span:nth-child(2),.sidebar-rule,.nav-label,.nav-item span:not(.nav-icon),.subject-list,.sidebar-bottom{display:none}.nav-item{justify-content:center;padding:0}.nav-icon{font-size:20px}.main-area{margin-left:58px}.topbar{height:55px;padding:0 14px}.page-content{padding:23px 15px 0}.welcome-row{align-items:flex-start}.welcome-row h1{font-size:21px;line-height:1.35}.welcome-copy{font-size:10px;line-height:1.6}.date-chip{display:none}.stat-grid{grid-template-columns:repeat(2,1fr);gap:8px}.stat-card{padding:12px}.stat-value{font-size:21px}.start-grid{grid-template-columns:1fr}.start-card{min-height:61px}.section-heading{margin-top:26px}.section-heading h2{font-size:16px}.readings-heading{flex-wrap:wrap;gap:10px}.search-box{width:100%}.search-box input{flex:1}.reading-grid{grid-template-columns:1fr;gap:7px}.reading-card{padding:10px}.quiz-page{padding:17px 13px 0}.quiz-back-row{margin-bottom:13px}.quiz-layout{grid-template-columns:1fr}.quiz-side{display:grid;grid-template-columns:1fr 1fr}.privacy-card{grid-column:1/-1}.question-column{padding:17px 14px}.question-text{font-size:15px}.quiz-meta-pills{gap:4px}.source-badge{font-size:8px;padding:5px 7px}.page-footer{margin-top:20px}.breadcrumb{font-size:10px}.sync-pill{font-size:9px}.results-card{padding:28px 20px}}