:root{--bg: #f4f5f7;--surface: #ffffff;--text: #1c1d21;--muted: #6b7280;--border: #e3e5e9;--primary: #4f46e5;--primary-ink: #ffffff;--right: #16a34a;--wrong: #dc2626;--badge: #eef2ff;--badge-ink: #4338ca;--radius: 14px;--shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .04)}@media (prefers-color-scheme: dark){:root{--bg: #16171b;--surface: #212227;--text: #eceef2;--muted: #9aa0ab;--border: #33353c;--primary: #6366f1;--badge: #2a2b52;--badge-ink: #c7cbff;--shadow: none}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}a{color:var(--primary);text-decoration:none}h1{font-size:1.5rem;margin:.2em 0 .6em}h2{font-size:1.2rem;margin:0 0 .5em}.container{max-width:900px;margin:0 auto;padding:16px 16px calc(32px + env(safe-area-inset-bottom))}.appbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;padding-top:calc(12px + env(safe-area-inset-top));background:var(--surface);border-bottom:1px solid var(--border)}.brand{font-weight:700;font-size:1.05rem;color:var(--text)}.appbar-right{display:flex;align-items:center;gap:10px}.who{color:var(--muted);font-size:.85rem;max-width:40vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:14px}.muted{color:var(--muted)}.small{font-size:.85rem}.empty{padding:24px 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1fr}}.deck-card{margin:0;display:flex;flex-direction:column;gap:8px}.deck-head{display:flex;align-items:center;justify-content:space-between}.deck-title{font-weight:700;font-size:1.1rem;color:var(--text)}.deck-stats{display:flex;align-items:center;gap:10px;font-size:.9rem;color:var(--muted);margin-top:auto}.badge{background:var(--badge);color:var(--badge-ink);border-radius:999px;padding:2px 10px;font-weight:600}.deck-actions{display:flex;gap:8px;flex-wrap:wrap}.card-list{display:flex;flex-direction:column;gap:12px}.card-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.card-row-actions{grid-column:1 / -1;display:flex;gap:8px;justify-content:flex-end;border-top:1px solid var(--border);padding-top:10px}.card-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin-bottom:4px}@media (max-width: 560px){.card-row{grid-template-columns:1fr}}.editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}@media (max-width: 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