.ruled{ background-image:repeating-linear-gradient(to bottom,transparent 0 39px,var(--paper-line) 39px 40px);} .card-tag-amber{ color:#9A6A1F;background:var(--amber-soft);border-color:#E7CE9B;} [data-theme="dark"] a.card{ background:var(--paper-raised);} [data-theme="dark"] a.card:hover{ border-color:var(--green);} [data-theme="dark"] .card-tag{ background:var(--green-soft);border-color:#2B4A38;} [data-theme="dark"] .card-tag-amber{ background:var(--amber-soft);border-color:#5C4A28;} .hero-graphic-col{ display:flex;flex-direction:column;gap:16px;align-items:center;} .table-wrap{ overflow-x:auto;border:1px solid var(--paper-line);border-radius:var(--radius-md);} table{ width:100%;border-collapse:collapse;font-size:.92rem;background:var(--paper-raised);} th,td{ padding:11px 14px;text-align:left;border-bottom:1px solid var(--paper-line);} th{ font-family:var(--font-mono);font-size:.74rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-faint);background:var(--paper);} td.mono{ font-family:var(--font-mono);} tr:last-child td{ border-bottom:0;} .score-pill{ display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;font-family:var(--font-mono);font-weight:700;font-size:.85rem;color:#fff;} .score-5{ background:var(--green);} .score-4{ background:#3E8E6E;} .score-3{ background:var(--amber);} .score-2{ background:#C77A3A;} .score-1{ background:var(--red);} .faq-item{ border-bottom:1px solid var(--paper-line);} .faq-item summary{ cursor:pointer;list-style:none;padding:18px 4px;font-weight:600;display:flex;justify-content:space-between;gap:12px;} .faq-item summary::-webkit-details-marker{ display:none;} .faq-item summary::after{ content:"+";font-family:var(--font-mono);color:var(--green-deep);font-size:1.2rem;flex:none;} .faq-item[open] summary::after{ content:"–";} .faq-item p{ padding:0 4px 18px;} .breadcrumb{ font-family:var(--font-mono);font-size:.78rem;color:var(--ink-faint);margin-bottom:18px;} .site-footer a{ color:#B7BCC9;text-decoration:none;font-size:.92rem;} .related-links a:hover{ border-color:var(--green);color:var(--green-deep);} .exam-structure{ margin:28px 0 4px;} .exam-structure h2{ font-size:1.3rem;} .exam-structure ul{ list-style:none;padding:0;margin:0;} .exam-structure li{ display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--paper-line);color:var(--ink-soft);font-size:.95rem;} .exam-structure li:last-child{ border-bottom:0;} .exam-structure .k{ flex:none;font-family:var(--font-mono);font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;color:var(--green-deep);width:120px;padding-top:2px;} .exam-structure .v{ flex:1;} .verified-note{ display:inline-flex;align-items:center;gap:8px;margin:4px 0 0;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-faint);} .verified-note .dot{ width:8px;height:8px;border-radius:50%;background:var(--green);flex:none;} .reverse{ margin-top:18px;padding-top:16px;border-top:1px solid #2A3244;} .reverse label{ display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:.82rem;color:#9CA3B4;margin-bottom:8px;} .reverse select{ font-family:var(--font-mono);font-size:.9rem;color:var(--paper);font-weight:700;background:#1B2333;border:1px solid #3A4256;border-radius:var(--radius-md);padding:7px 10px;} .reverse-targets{ margin-top:10px;display:flex;flex-direction:column;gap:8px;} .reverse-target{ font-size:.82rem;color:#C7CBD6;background:#1B2333;border:1px solid #2A3244;border-radius:var(--radius-md);padding:9px 12px;} .reverse-target strong{ color:var(--amber);} .reverse-target .done{ color:var(--green);} .chart-download-bar{ display:flex;flex-wrap:wrap;gap:10px;margin:8px 0 22px;} .btn-download{ display:inline-flex;align-items:center;gap:8px;font-size:.85rem;font-weight:600;padding:10px 16px;border-radius:var(--radius-md);border:1.5px solid var(--paper-line);background:var(--paper-raised);color:var(--ink);text-decoration:none;} .btn-download:hover{ border-color:var(--green);color:var(--green-deep);} .pwa-install{ position:fixed;left:50%;bottom:18px;transform:translateX(-50%);display:flex;align-items:center;gap:14px;background:var(--ink-900);color:var(--paper);border:1px solid #3A4256;border-radius:var(--radius-lg);padding:14px 18px;max-width:min(92vw,520px);font-size:.9rem;box-shadow:var(--shadow-card);z-index:60;} .pwa-install .btn{ flex:none;} .pwa-dismiss{ border:0;background:transparent;color:#9CA3B4;font-size:1.3rem;cursor:pointer;padding:0 2px;} .pwa-dismiss:hover{ color:var(--paper);} @media (max-width:600px){ .pwa-install{ flex-wrap:wrap;justify-content:center;text-align:center;} } [data-theme="dark"]{ --paper:#171E2B;--paper-raised:#1B2333;--paper-line:#2A3244;--ink:#F3F1E9;--ink-soft:#C7CBD6;--ink-faint:#8890A6;--ink-900:#10151F;--ink-800:#171E2B;--green:#3E8E6E;--green-deep:#53A583;--amber:#D9922C;--amber-deep:#E0A34A;--red:#C4564C;--red-soft:#3A2220;--green-soft:#1D3328;--amber-soft:#3A2C14;--shadow-card:0 1px 0 rgba(0,0,0,0.2),0 8px 24px -16px rgba(0,0,0,0.6);--bg:var(--paper);--paper-sand:var(--amber-soft);} [data-theme="dark"] .site-header{ background:rgba(23,30,43,0.92);} [data-theme="dark"] .site-header,[data-theme="dark"] .card,[data-theme="dark"] .calc-card,[data-theme="dark"] .field input[type=number],[data-theme="dark"] table,[data-theme="dark"] .btn-download{ background:var(--paper-raised);color:var(--ink);} [data-theme="dark"] .nav-links a,[data-theme="dark"] .brand,[data-theme="dark"] .subject-card,[data-theme="dark"] .card h3,[data-theme="dark"] .card{ color:var(--ink);} [data-theme="dark"] .btn-ghost{ color:var(--paper);border-color:var(--ink-faint);} [data-theme="dark"] .nav-toggle,[data-theme="dark"] .theme-toggle{ background:var(--paper-raised);color:var(--ink);border-color:var(--paper-line);} [data-theme="dark"] .hero .btn-ghost{ color:#F3F1E9;border-color:#3A4256;} [data-theme="dark"] .disclaimer{ color:var(--ink-soft);background:var(--amber-soft);border-color:#6B5426;} [data-theme="dark"] .callout{ background:var(--green-soft);border-color:#2B4A38;} [data-theme="dark"] .filter-chip,[data-theme="dark"] .chip{ background:var(--paper-raised);color:var(--ink-soft);border-color:var(--paper-line);} [data-theme="dark"] .related-links a{ color:var(--ink-soft);background:var(--paper-raised);} [data-theme="dark"] .faq-item p{ color:var(--ink-soft);} [data-theme="dark"] .badge{ color:var(--ink-soft);border-color:var(--paper-line);} [data-theme="dark"] .footer-bottom span,[data-theme="dark"] .site-footer{ color:#9CA3B4;} [data-theme="dark"] .site-footer a{ color:#B7BCC9;} [data-theme="dark"] .eyebrow{ color:var(--green-deep);} [data-theme="dark"] .icon-tile{ background:var(--green-soft);color:var(--green-deep);} [data-theme="dark"] .field input[type=range]{ accent-color:var(--green);} [data-theme="dark"]::selection{ background:var(--amber);color:#10151F;} .formula-card{ background:var(--green-soft);border:1px solid #C5DBCD;border-radius:var(--radius-lg);padding:24px 26px;margin:28px 0;} .formula-card h3{ margin-top:0;} .formula-card p{ font-size:.95rem;} .formula{ font-family:var(--font-mono);font-size:.88rem;line-height:1.7;background:var(--ink-900);color:#E8EAF0;border-radius:var(--radius-md);padding:14px 16px;overflow-x:auto;margin:14px 0;} .formula code{ color:inherit;font-family:inherit;} .formula-example{ font-size:.92rem;margin:10px 0 8px;} .formula-example .score-pill{ vertical-align:-3px;} .viz-row{ display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;margin:26px 0 8px;} @media (max-width:760px){ .viz-row{ grid-template-columns:1fr;} } .curve-chart svg{ width:100%;height:auto;display:block;} .curve-chart svg text{ -webkit-print-color-adjust:exact;print-color-adjust:exact;} .chart-caption{ font-family:var(--font-mono);font-size:.74rem;color:var(--ink-faint);margin:8px 0 0;} .table-caption{ font-family:var(--font-mono);font-size:.74rem;color:var(--ink-faint);margin:8px 0 22px;} .donut{ display:flex;flex-direction:column;align-items:center;gap:12px;} .donut svg circle{ -webkit-print-color-adjust:exact;print-color-adjust:exact;} .donut-legend{ display:flex;flex-direction:column;gap:4px;font-size:.8rem;} .donut-legend span{ display:flex;align-items:center;gap:8px;} .donut-legend .sw{ width:12px;height:12px;border-radius:3px;display:inline-block;} .dist-stat{ display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin:18px 0 4px;} .dist-stat span{ background:var(--paper-raised);border:1px solid var(--paper-line);border-radius:var(--radius-md);padding:8px 14px;font-size:.88rem;} .dist-stat b{ font-family:var(--font-mono);color:var(--green-deep);} .dist-stat .dist-note{ background:none;border:0;padding:0;color:var(--ink-faint);font-size:.8rem;} .five-rate-chart{ margin:18px 0 6px;overflow-x:auto;} .five-rate-chart svg{ width:100%;max-width:720px;height:auto;display:block;} .five-rate-chart svg rect{ -webkit-print-color-adjust:exact;print-color-adjust:exact;} table.sortable{ } table.sortable th[data-sort]{ cursor:pointer;user-select:none;white-space:nowrap;} table.sortable th[data-sort]:hover{ color:var(--green-deep);} table.sortable th[data-sort]::after{ content:"⇅";font-size:.65rem;margin-left:4px;color:var(--ink-faint);opacity:.7;} table.sortable th.sorted-asc::after{ content:"▲";opacity:1;color:var(--green-deep);} table.sortable th.sorted-desc::after{ content:"▼";opacity:1;color:var(--green-deep);} [data-theme="dark"] .formula-card{ background:var(--green-soft);border-color:#2B4A38;} [data-theme="dark"] .formula{ background:#0D1220;color:#E8EAF0;} [data-theme="dark"] .dist-stat span{ background:var(--paper-raised);border-color:var(--paper-line);} [data-theme="dark"] .dist-stat b{ color:#7CC6A4;} [data-theme="dark"] .curve-marker line,[data-theme="dark"] #curve-marker{ stroke:#F3F1E9;} [data-theme="dark"] .donut-legend span,[data-theme="dark"] .table-caption,[data-theme="dark"] .chart-caption{ color:var(--ink-faint);} .tabs{ margin:26px 0 8px;} .tab-bar{ display:flex;gap:6px;flex-wrap:wrap;border-bottom:1px solid var(--paper-line);margin-bottom:18px;} .tab{ appearance:none;background:none;border:0;border-bottom:2px solid transparent;font-family:var(--font-body);font-size:.95rem;color:var(--ink-soft);padding:9px 14px;cursor:pointer;margin-bottom:-1px;} .tab:hover{ color:var(--green-deep);} .tab.is-active{ color:var(--green-deep);border-bottom-color:var(--green);font-weight:600;} [data-theme="dark"] .tab{ color:var(--ink-soft);} [data-theme="dark"] .tab.is-active{ color:#7CC6A4;} .timeline{ margin:22px 0 30px;} .timeline-track{ display:flex;gap:4px;list-style:none;margin:0 0 18px;padding:0;overflow-x:auto;} .timeline-step{ flex:1;min-width:0;text-align:center;cursor:pointer;position:relative;opacity:.45;transition:opacity .15s ease;} .timeline-step:hover{ opacity:.8;} .timeline-step.is-active{ opacity:1;} .timeline-step.is-past{ opacity:.6;} .timeline-dot{ width:14px;height:14px;border-radius:50%;display:block;margin:0 auto 6px;background:var(--paper-raised);border:2px solid var(--ink-faint);} .timeline-step.is-active .timeline-dot{ background:var(--green);border-color:var(--green);} .timeline-step.is-past .timeline-dot{ background:var(--ink-faint);border-color:var(--ink-faint);} .timeline-date{ font-family:var(--font-mono);font-size:.72rem;color:var(--ink-soft);display:block;} .timeline-step.is-active .timeline-date{ color:var(--green-deep);font-weight:700;} .timeline-body{ display:none;} .timeline-card{ background:var(--paper-raised);border:1px solid var(--paper-line);border-radius:var(--radius-lg);padding:20px 22px;} .timeline-step-label{ font-family:var(--font-mono);font-size:.72rem;color:var(--ink-faint);} .timeline-title{ margin:6px 0 6px;} .timeline-body-text{ margin:0 0 16px;color:var(--ink-soft);} .timeline-actions{ display:flex;gap:10px;} .timeline-actions .btn[disabled]{ opacity:.4;cursor:default;} [data-theme="dark"] .timeline-card{ background:var(--paper-raised);border-color:var(--paper-line);} [data-theme="dark"] .timeline-step.is-active .timeline-date{ color:#7CC6A4;} .filter-toolbar{ display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:14px 0;} .filter-search{ flex:1;min-width:220px;padding:10px 12px;border:1.5px solid var(--paper-line);border-radius:8px;font-family:var(--font-body);font-size:.95rem;background:var(--paper-raised);color:var(--ink);} .filter-chips{ display:flex;gap:6px;flex-wrap:wrap;} .filter-empty{ font-size:.9rem;color:var(--ink-faint);margin:10px 0;} table.filterable tbody tr[hidden]{ display:none;} table.filterable tbody tr[hidden]{ display:none;} .credit-lookup{ margin:16px 0;position:relative;} .lookup-results{ list-style:none;margin:8px 0 0;padding:0;background:var(--paper-raised);border:1.5px solid var(--paper-line);border-radius:var(--radius-md);max-height:340px;overflow-y:auto;} .lookup-results li{ padding:12px 14px;border-bottom:1px solid var(--paper-line);cursor:pointer;} .lookup-results li:last-child{ border-bottom:0;} .lookup-results li:hover{ background:var(--green-soft);} .lookup-results .lookup-badge{ display:inline-block;margin-left:8px;font-family:var(--font-mono);font-size:.68rem;background:var(--green-soft);color:var(--green-deep);border-radius:4px;padding:2px 7px;text-transform:uppercase;} .lookup-results p{ margin:4px 0 0;font-size:.85rem;color:var(--ink-soft);} .lookup-results .lookup-none{ cursor:default;} .lookup-results .lookup-none:hover{ background:transparent;} .practice-scorer{ margin-top:26px;background:var(--amber-soft);border:1px solid #E5D3AE;border-radius:var(--radius-lg);padding:18px 22px;} .practice-scorer h3{ margin:0 0 4px;} .practice-scorer p{ margin:0 0 12px;font-size:.9rem;} .practice-fields{ display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;} .practice-fields label{ display:flex;flex-direction:column;font-size:.85rem;color:var(--ink-soft);gap:4px;} .practice-fields input[type="number"]{ width:110px;padding:9px 10px;border:1.5px solid var(--paper-line);border-radius:8px;font-family:var(--font-mono);font-size:1rem;background:var(--paper-raised);color:var(--ink);} .practice-fields .hint{ font-size:.75rem;color:var(--ink-faint);} .practice-done{ margin-top:12px;font-size:.88rem;color:var(--green-deep);font-weight:600;} [data-theme="dark"] .practice-scorer{ background:#2B2B24;border-color:#4A4635;} [data-theme="dark"] .practice-done{ color:#7CC6A4;} .practice-cta-card{ margin-top:26px;display:flex;gap:18px;align-items:flex-start;background:var(--green-soft);border:1px solid #C5DBCD;border-radius:var(--radius-lg);padding:22px;} .practice-cta-icon{ flex:none;width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--green-deep);color:#fff;} .practice-cta-body{ flex:1;} .practice-cta-body h3{ margin:10px 0 6px;} .practice-cta-body p{ margin:0 0 14px;font-size:.95rem;color:var(--ink-soft);} .practice-cta-actions{ display:flex;gap:10px;flex-wrap:wrap;} @media (max-width:640px){ .practice-cta-card{ flex-direction:column;} } [data-theme="dark"] .practice-cta-card{ background:#22301f;border-color:#3A5236;} [data-theme="dark"] .practice-cta-icon{ background:#7CC6A4;color:#0B1220;} .terms-list{ list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;} .terms-list li{ padding:10px 14px;background:var(--paper-raised);border:1px solid var(--paper-line);border-radius:var(--radius-md);font-size:.95rem;} @media (max-width:640px){ .terms-list{ grid-template-columns:1fr;} } .drill-q{ background:var(--paper-raised);border:1px solid var(--paper-line);border-radius:var(--radius-lg);padding:18px 20px;margin:16px 0;} .drill-qnum{ font-weight:800;color:var(--primary-deep);margin:0 0 6px;font-size:.85rem;text-transform:uppercase;letter-spacing:.03em;} .drill-text{ font-weight:600;margin:0 0 12px;font-size:1rem;} .drill-opts{ display:grid;gap:8px;} .drill-opt{ text-align:left;font-family:var(--font-body);font-size:.95rem;color:var(--ink);background:var(--paper);border:1.5px solid var(--paper-line);border-radius:8px;padding:9px 12px;cursor:pointer;transition:border-color .15s,background .15s;} .drill-opt:hover{ border-color:var(--primary);} .drill-opt.correct{ border-color:var(--success);background:var(--green-soft);font-weight:700;} .drill-opt.wrong{ border-color:var(--danger);background:var(--red-soft);} .drill-answer{ margin:12px 0 0;font-size:.92rem;color:var(--ink-soft);} .drill-frq{ background:var(--paper-raised);border:1px solid var(--paper-line);border-radius:var(--radius-lg);padding:18px 20px;margin:16px 0;} .drill-frq details{ margin-top:10px;} .drill-frq summary{ cursor:pointer;font-weight:600;color:var(--primary-deep);font-size:.92rem;} .drill-frq details p{ margin:10px 0 0;font-size:.95rem;color:var(--ink-soft);} [data-theme="dark"] .drill-opt{ background:var(--paper-raised);} [data-theme="dark"] .drill-opt.correct{ background:var(--green-soft);} [data-theme="dark"] .drill-opt.wrong{ background:var(--red-soft);} .study-toc{ display:flex;flex-wrap:wrap;gap:8px;margin:0 0 8px;} .toc-chip{ text-decoration:none;font-size:.9rem;font-weight:600;color:var(--ink);background:var(--paper-raised);border:1px solid var(--paper-line);border-radius:20px;padding:7px 14px;transition:border-color .15s,transform .15s,background .15s;} .toc-chip:hover{ border-color:var(--green);transform:translateY(-1px);} .study-accs{ display:flex;flex-direction:column;gap:14px;} .study-acc{ background:var(--paper);border:1px solid var(--paper-line);border-radius:var(--radius-md);overflow:hidden;} .study-acc>summary{ list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 18px;font-size:1.05rem;font-weight:700;color:var(--ink);user-select:none;} .study-acc>summary::-webkit-details-marker{ display:none;} .study-acc>summary::after{ content:"+";font-family:var(--font-mono);font-size:1.2rem;color:var(--green-deep);opacity:.6;transition:transform .2s;flex:none;} .study-acc[open]>summary::after{ transform:rotate(45deg);} .study-acc>summary:hover{ background:var(--paper-raised);} .acc-tag{ font-family:var(--font-mono);font-size:.7rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-faint);background:var(--paper-raised);border:1px solid var(--paper-line);border-radius:20px;padding:3px 9px;flex:none;} .acc-body{ padding:2px 18px 18px;max-width:760px;} .acc-body h4{ margin:22px 0 8px;font-size:1rem;} .acc-lede{ color:var(--ink-soft);margin:6px 0 0;} .acc-body[hidden]{ display:none;} .pkg-section{ margin:30px 0;} .pkg-section-head{ display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 12px;padding-bottom:8px;border-bottom:1px solid var(--paper-line);} .pkg-section h3{ margin:0;font-size:1.05rem;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.06em;} .pkg-count{ font-family:var(--font-mono);font-size:.72rem;font-weight:700;color:var(--ink-faint);background:var(--paper-raised);border:1px solid var(--paper-line);border-radius:20px;padding:2px 10px;flex:none;} .pkg-accs{ display:flex;flex-direction:column;gap:10px;} .pkg-doc{ background:var(--paper);border:1px solid var(--paper-line);border-radius:var(--radius-md);overflow:hidden;} .pkg-doc>summary{ list-style:none;cursor:pointer;display:flex;align-items:center;gap:10px;padding:13px 16px;font-size:.95rem;font-weight:600;color:var(--ink);user-select:none;} .pkg-doc>summary::-webkit-details-marker{ display:none;} .pkg-doc>summary::after{ content:"+";font-family:var(--font-mono);font-size:1.1rem;color:var(--green-deep);opacity:.6;transition:transform .2s;margin-left:auto;flex:none;} .pkg-doc[open]>summary::after{ transform:rotate(45deg);} .pkg-doc>summary:hover{ background:var(--paper-raised);} .pkg-body{ padding:4px 18px 16px;max-width:780px;} .pkg-list{ list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;} .pkg-item{ margin:0;} .pkg-link{ display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 14px;background:var(--paper-raised);border:1px solid var(--paper-line);border-radius:var(--radius-md);font-size:.95rem;text-decoration:none;color:var(--ink);transition:transform .15s ease,border-color .15s ease,background .15s ease;} .pkg-link:hover{ border-color:var(--green);transform:translateX(2px);color:var(--ink);} .pkg-link-title{ overflow:hidden;text-overflow:ellipsis;white-space:nowrap;} .pkg-link-arrow{ font-family:var(--font-mono);color:var(--green-deep);opacity:.55;flex:none;transition:opacity .15s,transform .15s;} .pkg-link:hover .pkg-link-arrow{ opacity:1;transform:translateX(2px);} [data-theme="dark"] .pkg-link{ background:var(--paper-raised);} [data-theme="dark"] .pkg-link:hover{ border-color:var(--green);} @media (max-width:640px){ .pkg-list{ grid-template-columns:1fr;} } .pkg-body{ line-height:1.7;} .pkg-body h2{ font-size:1.35rem;margin:36px 0 12px;padding-bottom:8px;border-bottom:2px solid var(--green-soft);} .pkg-body h2:first-child{ margin-top:0;} .pkg-body h3{ font-size:1.15rem;margin:28px 0 8px;} .pkg-body h4{ font-size:1.02rem;margin:22px 0 6px;} .pkg-body p{ margin:12px 0;} .pkg-body strong{ color:var(--ink);} .pkg-body ul,.pkg-body ol{ margin:12px 0;padding-left:26px;} .pkg-body li{ margin:6px 0;} .pkg-body li>p{ margin:8px 0;} .pkg-body .md-code{ display:block;overflow-x:auto;font-size:.88rem;line-height:1.55;background:#0B1220;color:#e6edf3;padding:14px 16px;border-radius:var(--radius-md);border:1px solid var(--paper-line);} .pkg-body table.md-table{ margin:18px 0;border-collapse:collapse;} .pkg-body th{ padding:10px 12px;} .pkg-body td{ padding:10px 12px;} .pkg-body blockquote{ margin:18px 0;padding:14px 18px;border-left:3px solid var(--primary);background:var(--paper-raised);border-radius:0 var(--radius-md) var(--radius-md) 0;color:var(--ink-soft);} .pkg-body blockquote p{ margin:4px 0;} .pkg-body hr.md-hr{ margin:28px 0;border:none;border-top:1px solid var(--paper-line);} .pkg-body em{ color:var(--ink-soft);} [data-theme="dark"] .pkg-body blockquote{ background:#162032;border-color:var(--green-deep);} [data-theme="dark"] .pkg-body h2{ border-color:#2B4A38;} [data-theme="dark"] .pkg-body strong{ color:var(--ink);} .infographic-wrap{ overflow-x:auto;} .contact-form{ background:var(--paper-raised);border:1px solid var(--paper-line);border-radius:var(--radius-lg);padding:24px 26px;margin:26px 0;} .form-grid{ display:grid;grid-template-columns:1fr 1fr;gap:16px;} @media (max-width:640px){ .form-grid{ grid-template-columns:1fr;} } .form-field{ margin-bottom:18px;} .form-field label{ display:block;font-weight:600;font-size:.92rem;margin-bottom:8px;} .form-field input,.form-field select,.form-field textarea{ width:100%;padding:11px 13px;border:1.5px solid var(--paper-line);border-radius:8px;font-family:var(--font-body);font-size:.98rem;background:#fff;color:var(--ink);} .form-field textarea{ resize:vertical;} .form-field input:focus,.form-field select:focus,.form-field textarea:focus{ outline:none;border-color:var(--green);} .hp-field{ position:absolute;left:-9999px;opacity:0;} .form-note{ font-size:.8rem;color:var(--ink-faint);margin:12px 0 0;} .form-success{ margin-top:14px;background:var(--green-soft);border:1px solid #C5DBCD;border-radius:var(--radius-md);padding:14px 16px;} [data-theme="dark"] .form-field input,[data-theme="dark"] .form-field select,[data-theme="dark"] .form-field textarea{ background:var(--paper-raised);color:var(--ink);border-color:var(--paper-line);} [data-theme="dark"] .form-success{ background:var(--green-soft);border-color:#2B4A38;} .contact-cards{ display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin:20px 0 28px;} .contact-card{ background:var(--paper-raised);border:1px solid var(--paper-line);border-radius:var(--radius-lg);padding:20px 22px;} .contact-card h3{ margin:0 0 8px;font-size:1.05rem;} .contact-card p{ font-size:.92rem;margin:0 0 8px;} [data-theme="dark"] .contact-card{ background:var(--paper-raised);border-color:var(--paper-line);} body.exam-mode { background:var(--paper);} body.exam-mode .site-header,body.exam-mode .site-footer,body.exam-mode .crumbs,body.exam-mode .related-links { display:none;} .exam-bar { position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;gap:16px;background:var(--surface-raised);border-bottom:1px solid var(--paper-line);padding:12px 20px;} .exam-title { font-weight:700;} .exam-subtitle { display:block;font-size:.85rem;color:var(--ink-faint);} .exam-timerwrap { font-size:.9rem;color:var(--ink-faint);} .exam-timer { font-family:var(--font-mono);font-size:1.15rem;font-weight:700;color:var(--ink);} .exam-timer.is-low { color:var(--red);} .exam-body { display:grid;grid-template-columns:220px 1fr;gap:24px;padding:20px;max-width:1080px;margin:0 auto;} .exam-palette-wrap { position:sticky;top:80px;align-self:start;} .exam-progress { font-size:.85rem;color:var(--ink-faint);margin-bottom:10px;} .exam-palette { display:grid;grid-template-columns:repeat(6,1fr);gap:6px;} .palette-item { border:1px solid var(--paper-line);background:var(--surface-raised);border-radius:var(--radius-md);padding:8px 0;cursor:pointer;font-size:.85rem;text-align:center;color:var(--ink);} .palette-item.is-current { outline:2px solid var(--primary);} .palette-item.is-answered { background:var(--green-soft);border-color:var(--green);} .palette-item.is-flagged { background:var(--amber-soft);border-color:var(--amber);} .exam-question { background:var(--surface-raised);border:1px solid var(--paper-line);border-radius:var(--radius-lg);padding:24px;} .exam-q-meta { font-size:.85rem;color:var(--ink-faint);margin-bottom:8px;} .exam-q { margin:0 0 16px;line-height:1.45;} .exam-opts { display:grid;gap:10px;} .exam-option { display:flex;align-items:flex-start;gap:12px;text-align:left;border:1px solid var(--paper-line);border-radius:10px;background:var(--surface-raised);padding:12px 14px;cursor:pointer;font:inherit;line-height:1.4;color:var(--ink);} .exam-option:hover { border-color:var(--primary);} .exam-option.is-selected { border-color:var(--primary);background:var(--green-soft);} .exam-opt-let { font-weight:700;color:var(--primary-deep);} .exam-rubric { font-size:.9rem;color:var(--ink-soft);background:var(--paper);border-radius:var(--radius-md);padding:10px;} .exam-ta { width:100%;border:1px solid var(--paper-line);border-radius:10px;padding:12px;font:inherit;line-height:1.5;background:var(--surface-raised);color:var(--ink);} .exam-actions { display:flex;gap:10px;flex-wrap:wrap;padding:16px 20px 28px;justify-content:center;} .exam-calc-note { margin-top:16px;font-size:.85rem;color:var(--ink-faint);} .exam-actions .btn:disabled { opacity:.4;cursor:not-allowed;} .exam-review { max-width:860px;margin:0 auto;padding:24px 16px 56px;} .review-verdict { display:flex;gap:16px;align-items:center;background:var(--surface-raised);border:1px solid var(--paper-line);border-radius:var(--radius-lg);padding:20px;margin:16px 0;} .review-verdict .score-pill { font-size:2rem;min-width:72px;height:72px;line-height:72px;} .stat-big { font-size:2.2rem;font-weight:800;margin:4px 0;} .frq-self { display:flex;justify-content:space-between;gap:16px;background:var(--surface-raised);border:1px solid var(--paper-line);border-radius:12px;padding:14px;margin-bottom:10px;} .frq-self input { width:84px;padding:8px;border:1px solid var(--paper-line);border-radius:var(--radius-md);background:var(--paper);color:var(--ink);} .frq-hint { color:var(--ink-faint);font-size:.9rem;} .review-mcq { margin-top:24px;} .review-q { background:var(--surface-raised);border:1px solid var(--paper-line);border-radius:12px;padding:12px 14px;margin-bottom:10px;} .review-q[data-ok="true"] { border-left:4px solid var(--success);} .review-q[data-ok="false"] { border-left:4px solid var(--danger);} .review-ans { margin:6px 0 4px;font-size:.92rem;} .review-expl { color:var(--ink-soft);font-size:.9rem;} .review-actions { display:flex;gap:10px;flex-wrap:wrap;margin-top:24px;} @media (max-width:860px){ .exam-body{ grid-template-columns:1fr;} .exam-palette-wrap{ position:static;order:2;} .exam-palette{ grid-template-columns:repeat(5,1fr);} .exam-bar{ flex-wrap:wrap;} .review-verdict{ flex-direction:column;align-items:flex-start;} .frq-self{ flex-direction:column;gap:10px;} } .print-bar { display:flex;gap:10px;padding:16px 20px;align-items:center;} .pdf-page { max-width:820px;margin:0 auto 60px;background:#fff;color:#111;padding:32px;border-radius:12px;box-shadow:var(--shadow-card);} .pdf-cover h1 { font-size:1.8rem;margin-bottom:6px;} .pdf-structure { width:100%;border-collapse:collapse;margin-top:14px;} .pdf-structure th,.pdf-structure td { border:1px solid #d1d5db;padding:8px 10px;text-align:left;font-size:.95rem;} .pdf-q { padding:14px 0;border-bottom:1px solid #f3f4f6;break-inside:avoid;} .pdf-q p { margin:0 0 6px;font-size:.98rem;} .pdf-qnum { font-weight:800;margin-right:6px;} .pdf-opt { display:block;margin:2px 0 2px 22px;font-size:.95rem;} .pdf-answer-bubble { margin-top:8px;font-size:.9rem;} .pdf-bubble { font-size:1.3rem;letter-spacing:4px;color:#111;} .pdf-pts { font-size:.85rem;color:#4b5563;} .pdf-lines { height:90px;border-bottom:1px solid #d1d5db;margin-top:8px;} .pdf-sectionbreak { margin:18px 0;border-bottom:2px solid #9ca3af;} .pdf-pagebreak { page-break-before:always;} .pdf-answerkey { break-inside:auto;} .pdf-answerkey p { font-size:.92rem;margin:4px 0;} .pdf-sheet{ margin:0 0 40px;padding-top:6px;} .pdf-sheet-head{ max-width:820px;margin:0 auto 10px;} .pdf-sheet-head h2{ font-size:1.2rem;margin:0;color:var(--ink);} .pdf-sheet + .pdf-sheet{ border-top:1px solid var(--paper-line);padding-top:34px;} .pdf-answerkey-page{ page-break-before:always;} .pdf-sheet-hint{ max-width:820px;margin:0 auto 22px;font-size:.92rem;color:var(--ink-soft);} @media print{ .pdf-sheet-head{ display:block;} .pdf-sheet-hint{ display:none;} } @media print{ .site-header,.site-footer,.breadcrumb,.calc-shell,.faq-item,.related-links,.chart-download-bar,.reverse,.nav-actions,.skip-link,.timeline-track,.tab-bar,.filter-toolbar,.practice-fields,.timeline-actions,.print-bar{ display:none !important;} body,section,article{ background:#fff !important;color:#000 !important;padding:0 !important;margin:0 !important;} .wrap,.wrap-narrow{ max-width:100%;padding:0 !important;} .table-wrap{ border:1px solid #444;border-radius:0;} table,tr,td,th{ background:#fff !important;color:#000 !important;} a{ color:#000;text-decoration:underline;} .exam-structure .k{ color:#000;} .timeline-body{ display:block !important;} .tab-panel:not(.is-active){ display:block !important;} .tab-panel[hidden]{ display:block !important;} .pdf-page{ box-shadow:none;border:0;border-radius:0;padding:0;margin:0;max-width:none;} .pdf-sectionbreak,.pdf-q,.pdf-pagebreak{ break-inside:avoid;} .score-pill,.viz-row,.dist-stat,.five-rate-chart,.curve-chart svg text,.donut svg circle,.five-rate-chart svg rect{ -webkit-print-color-adjust:exact;print-color-adjust:exact;} }