.live-preview{display:block;width:100%;border:0;min-height:260px;background:#101a29}.live-preview[hidden]{display:none!important}:root{color-scheme:dark;--bg:#141817;--surface:#1b201e;--line:#343a33;--ink:#f1f0e7;--muted:#9da59a;--lime:#d2ef96}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px system-ui,sans-serif}button,textarea{font:inherit}button,a,canvas{-webkit-tap-highlight-color:transparent}button{cursor:pointer;background:#252b27;border:1px solid #485046;border-radius:4px;color:inherit;padding:8px 12px}button:hover{border-color:#b3c6a7}button:disabled{opacity:.4;cursor:not-allowed}button:focus-visible,a:focus-visible,canvas:focus-visible,summary:focus-visible{outline:2px solid var(--lime);outline-offset:3px}.shell{max-width:1500px;padding:16px;margin:auto}.game-nav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.game-nav a{color:var(--muted);padding:8px 12px;text-decoration:none;border:1px solid var(--line);border-radius:4px}.game-nav a[aria-current="page"]{color:var(--ink);border-color:#abb8a3}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px;align-items:start}.play-panel{min-width:0}.game-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}.stats{display:flex;flex-wrap:wrap;gap:18px;color:var(--muted)}.stats strong{font-weight:500;color:var(--ink);font-variant-numeric:tabular-nums}.stats small{font-size:12px;color:var(--muted)}canvas{display:block;width:100%;height:auto;touch-action:none;background:#101a29}.game-bottom{font-size:12px;color:var(--muted);padding:10px 0}.control-panel{padding-top:0}label{display:block;margin-bottom:8px}textarea{width:100%;resize:vertical;min-height:110px;max-height:260px;background:#101510;color:var(--ink);border:1px solid #485046;border-radius:4px;padding:10px;line-height:1.5}textarea:focus{outline:1px solid var(--lime)}.primary{width:100%;margin:8px 0;background:#d2ef96;color:#172010;border-color:#d2ef96}.rule-actions{display:flex;gap:8px;margin:0 0 12px}.rule-actions button{flex:1;font-size:12px}#feedback{font-size:12px;line-height:1.5;color:#b8d399}#feedback:empty{display:none}#feedback.error{color:#ff9c7d}#diff{font:11px ui-monospace,monospace;margin:12px 0;overflow-wrap:anywhere}.diff-row{display:grid;grid-template-columns:1.2fr 1fr auto 1fr;gap:6px;margin:6px 0;align-items:center}.diff-row del{color:#b9a49a;text-decoration:none}.diff-row ins{color:var(--lime);text-decoration:none}details{margin:14px 0;font-size:12px;color:var(--muted)}summary{cursor:pointer}pre{font:11px/1.5 ui-monospace,monospace;white-space:pre-wrap;overflow-wrap:anywhere;color:var(--ink)}#mode{display:block;font-size:11px;color:var(--muted)}[hidden]{display:none!important}@media(max-width:800px){.workspace{grid-template-columns:1fr}.shell{padding:10px}.game-nav{margin-bottom:12px}.control-panel{max-width:100%}.stats{gap:10px;font-size:12px}.game-top{gap:8px}.game-top button{font-size:12px}textarea{min-height:85px}}