@import"https://fonts.googleapis.com/css2?family=Noto+Serif:wght@400;700&family=Source+Sans+3:wght@300;400;600;700&display=swap";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #161512;--bg-panel: #1f1e1c;--bg-input: #161512;--bg-card: #262421;--border: #3d3a35;--border-light: #4a4540;--light-sq: #f0d9b5;--dark-sq: #b58863;--sq-hover: rgba(20, 85, 30, .5);--sq-select: rgba(20, 85, 30, .8);--sq-last: rgba(155, 199, 0, .41);--sq-check: rgba(200, 30, 30, .6);--accent: #81b64c;--accent-dark: #5c8a2c;--accent-glow: rgba(129, 182, 76, .3);--btn-primary: #81b64c;--btn-hover: #6fa33e;--text: #e8e3d9;--text-muted: #8f8880;--text-dim: #6b6560;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;font-family:"Source Sans 3",ui-sans-serif,system-ui,sans-serif}body{background:var(--bg);color:var(--text);min-height:100vh;line-height:1.5}.page{max-width:1060px;margin:0 auto;padding:20px 16px 40px;display:flex;flex-direction:column;gap:20px}.header{display:flex;align-items:center;gap:14px;padding:14px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg)}.header-logo{font-size:28px;line-height:1}.header h1{font-family:"Noto Serif",Georgia,serif;font-size:22px;font-weight:700;color:var(--text);letter-spacing:-.3px}.sub{font-size:12px;color:var(--text-muted);margin-top:2px}.grid{display:grid;grid-template-columns:320px 1fr;gap:16px;align-items:start}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px}.card h2{font-family:"Noto Serif",serif;font-size:15px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid var(--border)}.row{display:flex;gap:8px;margin:10px 0;align-items:center}label{width:80px;font-size:13px;color:var(--text-muted);flex-shrink:0}input{flex:1;padding:9px 12px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-input);color:var(--text);font-size:13px;font-family:"Source Sans 3",sans-serif;outline:none;transition:border-color .15s}input:focus{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-glow)}input::placeholder{color:var(--text-dim)}button{padding:9px 16px;border-radius:var(--radius-sm);border:none;background:var(--bg-panel);color:var(--text-muted);font-size:13px;font-weight:600;font-family:"Source Sans 3",sans-serif;cursor:pointer;transition:background .12s,color .12s,transform .08s;white-space:nowrap}button:hover{background:var(--border);color:var(--text)}button:active{transform:scale(.97)}button.primary{background:var(--btn-primary);color:#1a1a1a;border:none}button.primary:hover{background:var(--btn-hover)}button:disabled{opacity:.5;cursor:not-allowed;transform:none}button:disabled:hover{background:var(--bg-panel);color:var(--text-muted)}button.primary:disabled:hover{background:var(--btn-primary);color:#1a1a1a}.error{margin-top:10px;padding:10px 14px;border-radius:var(--radius-sm);background:#2a0f0f;border:1px solid #7a2334;color:#f08080;font-size:13px}.kv{margin-top:14px;display:grid;gap:6px;background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius-md);padding:12px 14px;font-size:13px}.kv b{color:var(--text-muted);font-weight:600;margin-right:6px}.status-pill{display:inline-block;padding:2px 10px;border-radius:99px;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;background:var(--accent-dark);color:#d4f0a0}.board-wrapper{display:flex;flex-direction:column;align-items:center;gap:12px}.board-coords-wrap{display:flex;align-items:flex-start;gap:4px}.coords-files{display:flex;padding-left:20px}.coord-file{width:56px;text-align:center;font-size:10px;color:var(--text-dim);font-weight:600;letter-spacing:.05em;text-transform:uppercase}.coords-ranks{display:flex;flex-direction:column;justify-content:space-around;width:20px}.coord-rank{height:56px;display:flex;align-items:center;justify-content:flex-end;font-size:10px;color:var(--text-dim);font-weight:600;padding-right:4px}.board{display:inline-block;border-radius:4px;overflow:hidden;box-shadow:0 0 0 2px var(--border),0 8px 40px #0000008c,0 2px 8px #0006}.boardRow{display:flex}.cell{width:56px;height:56px;display:flex;align-items:center;justify-content:center;cursor:pointer;line-height:1;position:relative;transition:filter .08s;-webkit-user-select:none;user-select:none}.boardRow:nth-child(odd) .cell:nth-child(odd){background:var(--light-sq)}.boardRow:nth-child(odd) .cell:nth-child(2n){background:var(--dark-sq)}.boardRow:nth-child(2n) .cell:nth-child(odd){background:var(--dark-sq)}.boardRow:nth-child(2n) .cell:nth-child(2n){background:var(--light-sq)}.cell:hover:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:var(--sq-hover);pointer-events:none;border-radius:2px}.cell.selected:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:var(--sq-select);pointer-events:none}.cell.last-move{background:var(--sq-last)!important}.cell>img{filter:drop-shadow(0 1px 2px rgba(0,0,0,.5));position:relative;z-index:1}.piece-img{width:80%;height:80%;object-fit:contain;pointer-events:none;-webkit-user-select:none;user-select:none;transition:transform .1s ease}.cell:hover .piece-img{transform:scale(1.08)}.board-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.muted{color:var(--text-muted);font-size:12px;text-align:center}.turn-bar{width:100%;display:flex;align-items:center;gap:10px;padding:8px 12px;background:var(--bg-panel);border-radius:var(--radius-sm);border:1px solid var(--border);font-size:13px;font-weight:600}.turn-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.turn-dot.white{background:#f0d9b5;box-shadow:0 0 4px #f0d9b580}.turn-dot.black{background:#333;border:1px solid #666}.player-bar{display:flex;align-items:center;gap:8px;padding:6px 10px;background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:12px;width:100%}.player-avatar{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0}.player-avatar.white{background:var(--light-sq);color:#333}.player-avatar.black{background:#333;color:#ddd;border:1px solid #555}.player-name{font-weight:600;color:var(--text)}.player-role{color:var(--text-muted);margin-left:auto;font-size:11px}.divider{height:1px;background:var(--border);margin:12px 0}.code-display{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 12px;background:var(--bg-input);border:1px dashed var(--border-light);border-radius:var(--radius-sm);font-family:Courier New,monospace;font-size:13px;color:var(--accent);letter-spacing:.05em}.footer{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);color:var(--text-dim);font-size:11px}@media(max-width:800px){.grid{grid-template-columns:1fr}.cell{width:44px;height:44px}.coord-file{width:44px}.coord-rank{height:44px}}