@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap";:root{--ink:#161821;--bg:#f4f5f8;--card:#fff;--paper:#f6f7fa;--line:#eceef2;--accent:#3457ea;--accent-soft:#eaefff;--amber:#e2a63d;--green:#2fa96b;--red:#e34f45;--muted:#84899a;--font:"Plus Jakarta Sans", sans-serif;--shadow-sm:0 1px 2px #1416230a;--shadow-md:0 10px 28px -14px #14162329}*{box-sizing:border-box}html,body{height:100%;margin:0;padding:0}body{background:var(--bg);font-family:var(--font);color:var(--ink)}@media (width>=1001px){body.app-shell{overflow:hidden}}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-thumb{background:var(--line);border-radius:2px}@keyframes 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.5s}.bar-caption{color:var(--muted);justify-content:space-between;margin-top:8px;font-size:12px;font-weight:500;display:flex}.stat-row{gap:12px;display:flex}.stat{background:var(--paper);text-align:left;border:none;border-radius:12px;flex:1;padding:14px}.stat .num{color:var(--accent);font-size:22px;font-weight:800}.stat .lbl{color:var(--muted);margin-top:2px;font-size:11px;font-weight:500}.btn-primary{background:var(--accent);color:#fff;cursor:pointer;width:100%;font-size:14px;font-weight:700;font-family:var(--font);border:none;border-radius:12px;padding:14px}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-outline{background:var(--card);color:var(--ink);border:1.5px solid var(--line);font-weight:700;font-family:var(--font);cursor:pointer;border-radius:10px;padding:10px 16px;transition:border-color .12s,background .12s}.btn-outline:hover{border-color:var(--ink)}.btn-back{color:var(--muted);cursor:pointer;font-size:13px;font-weight:600;font-family:var(--font);background:0 0;border:none;align-items:center;gap:6px;width:fit-content;padding:0;display:inline-flex}.btn-back:hover{color:var(--ink)}.input-field{font-family:var(--font);cursor:pointer;outline:none}.input-field:focus{border-color:var(--accent)!important}.link-card{cursor:pointer;flex-shrink:0;justify-content:space-between;align-items:center;display:flex}.link-card .txt .t{font-size:14px;font-weight:700}.link-card .txt .s{color:var(--muted);margin-top:2px;font-size:12px;font-weight:500}.link-card .arrow-btn{background:var(--paper);width:32px;height:32px;color:var(--ink);border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:14px;display:flex}.pulse-card{flex-direction:column;gap:16px;display:flex}.pulse-main{align-items:center;gap:18px;display:flex}.pulse-ring{background:conic-gradient(var(--accent) 0 0%, var(--line) 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th{color:var(--muted);border-bottom:1px solid var(--line);text-transform:uppercase;letter-spacing:.05em;padding:0 8px 12px;font-size:11px;font-weight:700}table.chapters td{border-bottom:1px solid var(--line);vertical-align:middle;padding:14px 8px;font-weight:500}table.chapters tr:last-child td{border-bottom:none}.td-subject{color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px;font-size:11px;font-weight:700}.td-chapter{color:var(--ink);font-size:14px;font-weight:700}.chapter-actions{gap:8px;display:flex}.chapter-actions .btn-outline{padding:6px 12px;font-size:12px}.revised-pill{background:var(--accent-soft);color:var(--accent);border-radius:4px;padding:2px 6px;font-size:10px;font-weight:600}.analytics-layout{grid-template-columns:1.2fr 1fr;gap:16px;display:grid}@media (width<=900px){.analytics-layout{grid-template-columns:1fr}}.analytics-card h3{color:var(--ink);margin:0 0 6px;font-size:14px;font-weight:700}.analytics-card 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