:root{--bg:#f7f8fa;--card:#fff;--text:#1b2430;--muted:#5b6776;--line:#d9dee5;--accent:#1f6feb;--data:#6b7686;--fit:#d9480f;--warn-bg:#fff4e0;--warn:#8a4b00;color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--bg:#11151b;--card:#1a2029;--text:#e7ebf0;--muted:#9aa6b5;--line:#2c3541;--accent:#5aa2ff;--data:#9aa6b5;--fit:#ff8a4c;--warn-bg:#3a2a10;--warn:#ffc778}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}.app{max-width:1040px;margin:0 auto;padding:24px 16px 48px}h1{margin:0 0 4px;font-size:1.6rem}.sub{color:var(--muted);margin:0 0 20px}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;margin-bottom:16px;padding:16px}.row{flex-wrap:wrap;align-items:end;gap:12px;display:flex}label{color:var(--muted);flex-direction:column;gap:4px;font-size:.85rem;display:flex}select,input[type=number]{border:1px solid var(--line);background:var(--bg);color:var(--text);font:inherit;border-radius:6px;padding:7px 8px}button,.filebtn{border:1px solid var(--line);background:var(--card);color:var(--text);font:inherit;cursor:pointer;border-radius:6px;padding:8px 14px}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button:disabled{opacity:.5;cursor:not-allowed}.check{flex-direction:row;align-items:center;gap:6px}.err{color:#8a1c1c;background:#fde8e8;border-radius:6px;padding:10px 12px}@media (prefers-color-scheme:dark){.err{color:#ffb4b4;background:#4a1d1d}}.warn{background:var(--warn-bg);color:var(--warn);border-radius:6px;padding:8px 12px;font-size:.85rem}table{border-collapse:collapse;width:100%;font-size:.92rem}th,td{text-align:left;border-bottom:1px solid var(--line);padding:6px 8px}th{color:var(--muted);font-weight:600}td.num{font-variant-numeric:tabular-nums}.stats{color:var(--muted);flex-wrap:wrap;gap:24px;margin:8px 0 0;font-size:.9rem;display:flex}.legend{color:var(--muted);gap:16px;margin-top:6px;font-size:.85rem;display:flex}.dot{border-radius:50%;width:10px;height:10px;margin-right:6px;display:inline-block}@media (width<=600px){th:nth-child(4),td:nth-child(4){display:none}}.meaning{color:var(--muted);max-width:34ch;margin-top:2px;font-size:.8rem}.plain{margin:4px 0 12px;line-height:1.5}.advanced{margin-top:14px;font-size:.9rem}.advanced summary{cursor:pointer;color:var(--muted)}