:root{--bg: #f3f4f1;--surface: #ffffff;--ink: #111827;--muted: #5b6472;--line: #dfe3dc;--primary: #0b5d3b;--on-primary: #ffffff;--select: #ffd23f;--select-edge: #e0b100;--on-select: #111827;--danger: #c62828;--focus: #0b5d3b;color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media(prefers-color-scheme:dark){:root{--bg: #14181f;--surface: #1d232c;--ink: #e8ecf1;--muted: #9aa6b4;--line: #2c3440;--primary: #7ddc9c;--on-primary: #0f2e1f;--danger: #ef9a9a;--focus: #7ddc9c}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}button,input,select,textarea{font:inherit}button,.button,summary,select{cursor:pointer}button,.button{transition:background-color .12s,border-color .12s,color .12s,filter .12s}button:active:not(:disabled),.button:active{filter:brightness(.92)}:focus-visible{outline:2px solid var(--focus);outline-offset:2px}a{color:var(--primary)}h1{font-size:24px;margin:8px 0 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var(--bg)}.steps .step-more{right:0}.steps .step-play{right:46px}.caption-line{margin:0}.caption-line input{width:100%;min-height:44px;padding:6px 12px;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--ink)}p.caption-line{padding:4px 2px;font-size:14px}.board-caption{position:absolute;left:8px;right:8px;bottom:8px;margin:0;padding:6px 10px;border-radius:8px;background:#000c;color:#fff;font-size:14px;pointer-events:none;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.topbar .save.is-saved:disabled{opacity:1;background:transparent;border-color:var(--line);color:var(--primary)}.options{padding:8px}.option{display:flex;gap:10px;align-items:flex-start;padding:10px;border:1px solid var(--line);border-radius:8px;color:var(--ink);cursor:pointer}.option:has(input:checked){border:2px solid var(--primary);padding:9px}.option span{display:grid;gap:2px}.option 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