:root{--board-light: #F0D9B5;--board-dark: #B58863;--piece-light: #FFFFFF;--piece-dark: #000000;--highlight: #FFD700;--valid-move: #00FF00;--capture: #FF0000;--bg-color: #2C2C2C;--text-color: #FFFFFF}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh;background-color:var(--bg-color);color:var(--text-color);font-family:Arial,Helvetica,sans-serif;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}#root{max-width:1280px;margin:0 auto;padding:2rem;text-align:center;width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center}button{border-radius:8px;border:2px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}:root{--header-height: 60px;--footer-height: 80px;--board-padding: 10px}#root{width:100%;height:100vh;max-width:100%;margin:0;padding:0;overflow:hidden}.game-container{display:flex;flex-direction:column;height:100vh;width:100%;background-color:var(--bg-color)}.game-header{height:var(--header-height);display:flex;align-items:center;justify-content:space-between;padding:0 20px;background-color:#0003;flex-shrink:0}.menu-btn{font-size:16px;height:40px;min-width:80px;padding:0 15px;background:transparent;border:1px solid rgba(255,255,255,.3);color:var(--text-color);border-radius:8px;cursor:pointer}.game-title{font-size:20px;font-weight:700;color:var(--text-color)}.game-main{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:10px;width:100%;box-sizing:border-box;overflow:hidden}.board-wrapper{flex:1;display:flex;align-items:center;justify-content:center;width:100%;max-height:100%;padding:10px 0}.board-container{width:min(90vw,65vh)!important;height:min(90vw,65vh)!important;border:2px solid #444!important;box-shadow:0 10px 30px #00000080;border-radius:4px}.player-info{width:100%;padding:5px 0;font-size:18px;font-weight:700;text-transform:uppercase;letter-spacing:1px;transition:all .3s ease;text-align:center;display:flex;flex-direction:column;align-items:center;gap:5px}.captured-pieces{display:flex;height:20px;justify-content:center;align-items:center;margin-bottom:4px}.captured-piece{width:16px;height:16px;border-radius:50%;border:2px solid rgba(0,0,0,.3);margin-left:-8px;box-shadow:2px 2px 4px #0000004d;position:relative}.captured-piece:first-child{margin-left:0}.captured-piece.light{background-color:var(--piece-light);border-color:#ccc}.captured-piece.dark{background-color:var(--piece-dark);border-color:#333}.player-info.active{transform:scale(1.05);text-shadow:0 0 10px var(--highlight);color:var(--highlight)}.player-info.rotated{transform:rotate(180deg)}.player-info.active.rotated{transform:rotate(180deg) scale(1.05)}.rotated{transform:rotate(180deg)}.game-footer{height:var(--footer-height);display:flex;align-items:center;justify-content:center;background-color:#0003;padding-bottom:env(safe-area-inset-bottom);flex-shrink:0}.controls-container{display:flex;gap:15px;width:100%;justify-content:center;padding:0 20px}.control-btn{flex:1;max-width:120px;height:50px;font-size:14px;display:flex;align-items:center;justify-content:center;gap:8px;background-color:#3a3a3a;color:#fff;border:none;border-radius:25px;box-shadow:0 4px 6px #0003;cursor:pointer}.control-btn:active{transform:translateY(2px);box-shadow:0 2px 4px #0003}.control-btn:disabled{opacity:.4;transform:none;cursor:not-allowed}.icon{font-size:18px}.modal-overlay{position:fixed;inset:0;background-color:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{background-color:var(--bg-color);border:2px solid var(--highlight);padding:30px;border-radius:16px;width:80%;max-width:320px;text-align:center;box-shadow:0 20px 50px #00000080}.modal-content h3{margin-top:0;font-size:24px;color:var(--text-color)}.modal-actions{display:flex;gap:15px;justify-content:center;margin-top:25px}.confirm-btn,.cancel-btn{min-width:80px;height:44px;border:none;border-radius:8px;font-weight:700;font-size:16px;cursor:pointer}.confirm-btn{background-color:#4caf50;color:#fff}.cancel-btn{background-color:#f44336;color:#fff}.menu-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;padding:20px;background-color:var(--bg-color)}.menu-title{font-size:48px;margin-bottom:40px;color:var(--text-color);text-align:center}.menu-buttons{display:flex;flex-direction:column;gap:20px;width:100%;max-width:400px}.menu-action-btn{width:100%;height:80px;font-size:24px;font-weight:700;border-radius:12px;background-color:#3a3a3a;color:#fff;border:2px solid transparent;cursor:pointer;transition:all .2s}.menu-action-btn:hover{border-color:var(--highlight);background-color:#444}.menu-action-btn:active{transform:scale(.98)}@media(max-width:600px){.menu-title{font-size:36px}.menu-action-btn{height:60px;font-size:18px}}