:root{--bg: #f6f4ef;--panel: #ffffff;--cell: #ebe7df;--border: #d8d2c6;--text: #22201c;--muted: #6f6a60;--accent: #c0562b;--wood: #4a2f1e;--wood-marker: #d8cbb0;--error: #a3261b;--error-bg: #fbe5e1;--sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #17161a;--panel: #222126;--cell: #2e2c33;--border: #3d3a42;--text: #ecebe8;--muted: #a19d96;--accent: #f08a5d;--wood: #3a2618;--wood-marker: #9c8c70;--error: #ffb4a8;--error-bg: #4a1d18;color-scheme:dark}}*,*:before,*:after{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.4}button,input,select{font:inherit;color:inherit}button{cursor:pointer;border:1px solid var(--border);background:var(--panel);border-radius:6px;padding:5px 10px}button.on{background:var(--accent);border-color:var(--accent);color:#fff}select,input[type=text]{background:var(--panel);border:1px solid var(--border);border-radius:6px;padding:5px 8px}input[type=range]{accent-color:var(--accent)}:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.field{display:flex;flex-direction:column;gap:4px}.field>span{font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.check{display:inline-flex;align-items:center;gap:6px;cursor:pointer}.check input{accent-color:var(--accent)}.segmented{display:flex;flex-wrap:wrap}.segmented button{border-radius:0;margin-left:-1px}.segmented button:first-child{border-radius:6px 0 0 6px;margin-left:0}.segmented button:last-child{border-radius:0 6px 6px 0}.segmented button.on{position:relative}