:root{--surface: #f6f5f1;--panel: #ffffff;--ink: #1d1c1a;--ink-muted: #6b6862;--line: #d9d6cf;--axis: #8a867e;--quadrant: #a8a49b;--point: #2f5fd0;--mine: #e0602b;--accent: #1d1c1a;--accent-ink: #ffffff;--good: #2e7d4f;--danger: #b3261e;--radius: 14px;color-scheme:light}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--surface: #151513;--panel: #1f1f1c;--ink: #f1efe9;--ink-muted: #a29e95;--line: #3a3934;--axis: #8d897f;--quadrant: #6f6c64;--point: #7aa2ff;--mine: #ff8a55;--accent: #f1efe9;--accent-ink: #151513;--good: #6cc58f;--danger: #ff8a80;color-scheme:dark}}:root[data-theme=dark]{--surface: #151513;--panel: #1f1f1c;--ink: #f1efe9;--ink-muted: #a29e95;--line: #3a3934;--axis: #8d897f;--quadrant: #6f6c64;--point: #7aa2ff;--mine: #ff8a55;--accent: #f1efe9;--accent-ink: #151513;--good: #6cc58f;--danger: #ff8a80;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;background:var(--surface);color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-text-size-adjust:100%}button{font:inherit;cursor:pointer;border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:10px;padding:.7rem 1.1rem;font-weight:600}button.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}button.danger{color:var(--danger)}button:disabled{opacity:.45;cursor:not-allowed}input{font:inherit;padding:.7rem .9rem;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--ink)}.muted{color:var(--ink-muted)}