*{margin:0;padding:0;box-sizing:border-box}body{background:#0a1628;color:#ccc;font-family:-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;overflow-x:hidden}#app{max-width:600px;margin:0 auto}#board-container{position:relative;width:100%;min-height:300px;background:#112240;border-radius:8px;margin:8px 0;overflow:hidden}#board{position:relative;width:100%}.tile{position:absolute;background:#e8d5b0;border:1px solid #8a6a3060;border-radius:3px;display:flex;overflow:hidden}.tile.vertical{flex-direction:column}.tile.horizontal{flex-direction:row}.tile-half{flex:1;position:relative;display:flex;align-items:center;justify-content:center}.tile .divider-h{width:calc(100% - 4px);height:1px;background:#8a6a3060;align-self:center}.tile .divider-v{height:calc(100% - 4px);width:1px;background:#8a6a3060;align-self:center}.pip{position:absolute;background:#1a1a2e;border-radius:50%}.pip-hollow{position:absolute;border:1px solid #1a1a2e30;border-radius:50%}#grid-overlay{position:absolute;top:0;left:0;right:0;bottom:0;pointer-events:none;z-index:10;background-image:repeating-linear-gradient(to right,rgba(255,255,255,.08) 0,rgba(255,255,255,.08) 1px,transparent 1px,transparent var(--grid-size)),repeating-linear-gradient(to bottom,rgba(255,255,255,.08) 0,rgba(255,255,255,.08) 1px,transparent 1px,transparent var(--grid-size))}#grid-overlay.hidden{display:none}#controls{display:flex;gap:8px;padding:8px;flex-wrap:wrap}#controls button,#btn-load-label{padding:6px 14px;background:#1e3a5f;color:#ccc;border:1px solid #2a5080;border-radius:6px;cursor:pointer;font-size:13px}#controls button:disabled{opacity:.4;cursor:default}#controls button:hover:not(:disabled),#btn-load-label:hover{background:#2a5080}#end-picker{display:flex;align-items:center;gap:8px;padding:8px 12px;background:#1e3a5f;border-radius:6px;margin:0 8px}#end-picker.hidden{display:none}#end-picker button{padding:6px 16px;border:1px solid #4a8;background:#2a6040;color:#fff;border-radius:6px;cursor:pointer}#end-picker button:hover{background:#3a8050}#btn-cancel{background:#603030!important;border-color:#a44!important}#hand{display:flex;flex-wrap:wrap;gap:4px;padding:8px;justify-content:center}.hand-tile{width:36px;height:60px;background:#e8d5b0;border:1px solid #8a6a3060;border-radius:4px;cursor:pointer;display:flex;flex-direction:column;overflow:hidden;transition:transform .1s}.hand-tile:hover{transform:scale(1.1)}.hand-tile.played{opacity:.2;pointer-events:none}.hand-tile.selected{border:2px solid #ffd700;transform:scale(1.15)}.hand-tile.invalid{opacity:.35;cursor:default}.hand-tile .tile-half{flex:1;position:relative}.hand-tile .divider-h{width:calc(100% - 4px);height:1px;background:#8a6a3060;align-self:center}#debug-panel{margin:8px;padding:8px;background:#0d1b2a;border-radius:6px;font-size:11px;font-family:monospace}#debug-panel summary{cursor:pointer;color:#8ac}#debug-metrics{margin:8px 0;color:#8a8;white-space:pre}#debug-checks{color:#f88;margin:4px 0}#debug-table{width:100%;border-collapse:collapse;margin-top:8px}#debug-table th{text-align:left;color:#8ac;border-bottom:1px solid #223;padding:2px 6px}#debug-table td{padding:2px 6px;color:#aaa}#debug-table tr:hover td{background:#112}