.arcade-panel{max-width:1000px;margin:0 auto 40px;padding:24px}.arcade-top{display:flex;align-items:center;flex-wrap:wrap;gap:12px}.arcade-top h2{margin-right:auto}.arcade-panel label{display:grid;gap:8px;margin:12px 0;color:var(--muted)}.arcade-panel input,.arcade-panel select{min-height:46px;max-width:100%;padding:10px;border:1px solid var(--line);border-radius:9px;background:var(--bg);color:var(--ink);font:inherit}.arcade-panel button{touch-action:manipulation;cursor:pointer}.arcade-panel button:disabled{cursor:default;opacity:.65}.arcade-panel [hidden]{display:none!important}.arcade-panel .button-row{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.arcade-help{margin:16px 0;color:var(--muted)}.arcade-help summary{cursor:pointer;min-height:44px;padding:10px 0}.arcade-info{font-size:17px;line-height:1.7;margin:14px 0}.arcade-roster{display:flex;gap:8px;flex-wrap:wrap}.arcade-player{padding:7px 10px;border:1px solid var(--line);border-radius:8px}.arcade-player.current{border-color:var(--green)}#ag-error{color:#e87070;min-height:1.5em}.arcade-workspace{overflow-x:auto;overscroll-behavior-x:contain;padding:8px 0;max-width:100%}.ag-grid{display:grid;grid-template-columns:repeat(var(--cols),minmax(44px,1fr));gap:4px;width:max(100%,calc(var(--cols)*48px));max-width:650px;margin:0 auto}.ag-cell{min-height:44px;aspect-ratio:1;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font:600 20px/1 sans-serif;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;user-select:none}.ag-cell.small{font-size:15px}.ag-cell.empty{opacity:.35}.ag-cell.selected{outline:3px solid var(--green);outline-offset:-3px}.ag-cell.filled{background:var(--green);color:#14200e}.ag-cell.player1{background:#a8d4f3;color:#102836}.ag-cell.player2{background:#facb79;color:#3a2609}.ag-cell.legal{box-shadow:inset 0 0 0 2px var(--green)}.ag-cell.found{background:#8ed9b6;color:#10281c}.ag-cell.flag{background:#facb79;color:#38270c}.ag-cell.hit{background:#efacbd;color:#46152b}.ag-cell.miss{background:#a8d4f3;color:#102836}.ag-strip{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.ag-piece{min-width:54px;min-height:54px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font-size:18px;cursor:pointer}.ag-piece.selected{outline:3px solid var(--green)}.ag-puzzle-cell{border-radius:0;background-color:var(--bg);background-repeat:no-repeat}.ag-clues{white-space:pre-line;font-size:12px;line-height:1.4}.ag-hint-grid{display:grid;grid-template-columns:44px repeat(var(--cols),minmax(44px,1fr));gap:3px;width:max(100%,calc((var(--cols) + 1)*47px));max-width:700px}.ag-hint-grid .ag-cell{border-radius:2px}.ag-stage{width:100%;height:auto;aspect-ratio:5/3;max-height:420px;display:block;background:#fff;border:1px solid var(--line);border-radius:8px;touch-action:none}.ag-log{max-height:200px;overflow:auto;padding:12px;border:1px solid var(--line);border-radius:9px}.ag-log p{margin:4px 0}.ag-chain{display:flex;gap:4px;flex-wrap:wrap;padding:12px;border:1px solid var(--line);border-radius:9px;min-height:60px}.ag-domino{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:7px;background:var(--bg);color:var(--ink);min-width:56px;min-height:44px;font-size:20px}.ag-shape{font-size:16px;line-height:1.1;white-space:pre;font-family:monospace}.arcade-share{margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}.arcade-share input{font-size:12px;width:100%}.ag-note{color:var(--muted);font-size:13px}.tg-mini .arcade-intro{display:none}.tg-mini .arcade-panel{padding:10px 0;border:0}.ag-review-row{padding:10px 0;border-bottom:1px solid var(--line)}.ag-preview{max-width:320px;aspect-ratio:4/3;background-size:100% 100%;margin:12px auto;border-radius:8px}.ag-score{font-size:24px;font-weight:700;color:var(--green)}@media(max-width:600px){.arcade-panel{padding:14px}.arcade-panel .button{padding:10px 12px}.arcade-intro h1{font-size:32px}.ag-grid{gap:2px;width:max(100%,calc(var(--cols)*46px))}.ag-cell{font-size:18px}}@media(prefers-reduced-motion:reduce){.ag-cell{transition:none}}
.ag-compact .ag-grid{width:100%;max-width:650px;grid-template-columns:repeat(var(--cols),minmax(24px,1fr));gap:2px}.ag-compact .ag-cell{min-height:24px;border-radius:4px;font-size:16px}.ag-compact .ag-hint-grid{width:100%;grid-template-columns:32px repeat(var(--cols),minmax(22px,1fr));gap:2px}.ag-compact .ag-clues{font-size:10px}.ag-grid .ag-cell:hover:not(:disabled){outline:2px solid var(--green);outline-offset:-2px}.ag-stage{user-select:none}