:root{--ink: #17212b;--muted: #667085;--line: #d7dee8;--bg: #f5f7fb;--panel: #fff;--accent: #0f766e;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 Inter,system-ui,-apple-system,Segoe UI,sans-serif;-webkit-text-size-adjust:100%}#view{max-width:560px;margin:0 auto;padding:16px 16px calc(72px + env(safe-area-inset-bottom))}.screen h1{font-size:1.4rem;margin:8px 0 12px}.muted{color:var(--muted)}.bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:10;display:grid;grid-template-columns:repeat(5,1fr);background:var(--panel);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:56px;text-decoration:none;color:var(--muted);font-size:.72rem;font-weight:700}.bottom-nav a span{font-size:1.15rem;line-height:1}.bottom-nav a.active{color:var(--accent)}.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px;margin:10px 0}label{display:block;font-size:.82rem;font-weight:700;color:var(--muted);margin-top:8px}select,textarea,input[type=number]{width:100%;min-height:44px;margin-top:4px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font:inherit}textarea{min-height:110px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.check{display:flex;align-items:center;gap:8px;font-weight:600;margin:10px 0}.check input{width:auto;min-height:0}.btn{display:inline-flex;align-items:center;justify-content:center;width:100%;min-height:44px;margin-top:12px;padding:0 14px;border:1px solid var(--accent);border-radius:8px;font:inherit;font-weight:800;cursor:pointer;background:#fff;color:var(--accent)}.btn.primary{background:var(--accent);color:#fff}.btn.ghost{border-color:var(--line);color:var(--ink);background:#fff}.btn.sm{width:auto;min-height:34px;margin:0;font-size:.78rem}.btn:disabled{opacity:.5;cursor:not-allowed}a.pack{display:block;text-decoration:none;color:inherit}.pack-title{font-weight:800}.badge{display:inline-block;padding:1px 7px;border-radius:999px;font-size:.68rem;font-weight:800}.badge.ok{background:#e8f5f1;color:#0d5d56}.badge.warn{background:#fff4d6;color:#7a4b00}.quiz-bar{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:6px 0;font-weight:700}.clock{font-variant-numeric:tabular-nums;background:#fff4d6;color:#7a4b00;padding:2px 10px;border-radius:999px}.qmeta{color:var(--muted);font-size:.76rem;font-weight:700}.qtext{white-space:pre-wrap;margin:8px 0}.options{display:grid;gap:8px}.option{text-align:left;min-height:44px;padding:10px;border:1px solid var(--line);border-radius:8px;background:#fff;font:inherit;cursor:pointer}.option.active{border-color:var(--accent);background:#e8f5f1}.quiz-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px}.cover-meta{padding-left:18px}.cover-head{color:var(--muted);font-size:.8rem;font-weight:700}.instructions,.feedback,.scheme,.ans{white-space:pre-wrap}.feedback{margin-top:10px;padding:8px 10px;border-radius:8px}.feedback.ok{background:#e8f6ee}.feedback.no{background:#fdecec}.scheme{margin-top:8px;padding:8px 10px;border-radius:8px;background:#f8fbff}.scheme.model{background:#fff7e0}.src-link{display:inline-block;margin-top:8px;color:var(--accent);font-size:.8rem}.report-btn{display:block;margin-top:8px}.selfmark{display:flex;align-items:center;gap:8px;margin-top:8px;font-weight:700}.selfmark input{width:80px}.today-hero{text-align:center}.countdown{font-size:1rem}.countdown strong{font-size:2rem;color:var(--accent);display:block}.today-stats{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:8px;font-weight:700;font-size:.85rem}.topics{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:4px 10px;font-size:.76rem;font-weight:700;cursor:pointer}.chip.excluded{background:#fdecec;border-color:#f5b3b3;color:#7a1f1f}.seedbox{margin-top:10px}.seedbox summary{cursor:pointer;color:var(--accent);font-weight:700}.rate-row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.rate-row .btn{margin-top:0}.readiness{text-align:center}.readiness-num{font-size:2.4rem;font-weight:800;color:var(--accent)}.bar-row{display:grid;grid-template-columns:1fr 90px 42px;align-items:center;gap:8px;margin:6px 0;font-size:.82rem}.bar-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bar{height:8px;background:#eef2f6;border-radius:999px;overflow:hidden}.bar span{display:block;height:100%;background:var(--accent)}.bar-pct{text-align:right;font-weight:700}.bar-row.weak .bar span{background:var(--accent-2, #b42318)}.bar-row.weak .bar-pct{color:var(--accent-2, #b42318)}.trend{display:flex;align-items:flex-end;gap:4px;height:80px;margin:8px 0}.trend-bar{flex:1;background:#eef2f6;border-radius:4px 4px 0 0;display:flex;align-items:flex-end}.trend-bar span{display:block;width:100%;background:var(--accent);border-radius:4px 4px 0 0}.qextras{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.qextras .btn{margin-top:0}.note-wrap{margin-top:8px}.qimages{display:grid;gap:8px}.qimg{width:100%;max-height:280px;object-fit:contain;border:1px solid var(--line);border-radius:8px;background:#fff;margin-top:8px}.lowdata-note{margin-top:8px;font-style:italic}.links{margin-top:10px;font-weight:700}.links a{color:var(--accent);text-decoration:none}.saved-row{padding:8px 0;border-top:1px solid var(--line)}.saved-row:first-of-type{border-top:0}.note-text{margin-top:4px;padding:6px 8px;background:#fff7e0;border-radius:6px;white-space:pre-wrap}html.lockdown,html.lockdown body{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;-webkit-touch-callout:none}html.lockdown input,html.lockdown textarea,html.lockdown select,html.lockdown [contenteditable=true]{-webkit-user-select:text;-moz-user-select:text;-ms-user-select:text;user-select:text}@media print{html.lockdown body{display:none!important}}.lockdown-shield{position:fixed;inset:0;z-index:2147483647;display:flex;align-items:center;justify-content:center;text-align:center;background:#0b0f14;color:#cbd5e1;font:700 16px/1.6 system-ui,-apple-system,Segoe UI,sans-serif;padding:24px;opacity:0;pointer-events:none;transition:opacity .08s ease}.lockdown-shield.on{opacity:1;pointer-events:auto}.lockdown-shield-sub{font-weight:500;font-size:.82rem;color:#94a3b8}