*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#1a1a1a;color:#eee;overflow:hidden}#root{width:100vw;height:100vh}button{font-family:inherit;cursor:pointer;border:none;padding:10px 20px;border-radius:5px;font-size:14px;font-weight:600;transition:all .2s}button:hover{transform:translateY(-2px);box-shadow:0 4px 8px #0000004d}button:active{transform:translateY(0)}button:disabled{opacity:.5;cursor:not-allowed;transform:none}input{font-family:inherit;padding:10px;border:2px solid #333;border-radius:5px;font-size:14px;background:#2a2a2a;color:#eee}input:focus{outline:none;border-color:#6a9bc3}.app{width:100%;height:100%;display:flex;flex-direction:column}.game-container{flex:1;display:flex;gap:20px;padding:20px;overflow:hidden}.board-section{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:0}.sidebar{width:300px;display:flex;flex-direction:column;gap:15px;overflow-y:auto;padding-right:10px}.panel{background:#2a2a2a;border-radius:10px;padding:15px;box-shadow:0 4px 6px #0000004d}.panel h3{margin-bottom:10px;font-size:16px;color:#6a9bc3}.join-screen{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1a1a1a,#252525)}.join-form{background:#2a2a2a;padding:40px;border-radius:15px;box-shadow:0 8px 16px #0006;max-width:400px;width:90%}.join-form h1{margin-bottom:10px;color:#6a9bc3;font-size:32px}.join-form p{margin-bottom:25px;color:#aaa;font-size:14px}.join-form input,.join-form select{width:100%;margin-bottom:15px}.join-form button{width:100%;background:#6a9bc3;color:#fff;font-size:16px;padding:12px}.join-form button:hover{background:#5a8db8}.score-display{display:flex;justify-content:space-between;margin-bottom:10px;font-size:14px}.score-label{color:#aaa}.score-value{color:#6a9bc3;font-weight:700}.timer{text-align:center;padding:20px;background:linear-gradient(135deg,#c85a6a,#b85060);border-radius:10px;margin-bottom:15px}.timer.waiting{background:linear-gradient(135deg,#6a9bc3,#5a8db8)}.timer h4{margin-bottom:5px;font-size:14px;opacity:.9}.timer .time{font-size:36px;font-weight:700}.controls{display:flex;flex-direction:column;gap:10px}.controls button{background:#6a9bc3;color:#fff}.controls button.danger{background:#c85a6a}.controls button:hover{opacity:.9}.leaderboard-item{display:flex;justify-content:space-between;align-items:center;padding:10px;background:#1a1a1a;border-radius:5px;margin-bottom:8px}.leaderboard-item .rank{font-weight:700;color:#6a9bc3;margin-right:10px}.leaderboard-item .name{flex:1}.leaderboard-item .score{font-weight:700;color:#6ab880}.admin-controls{display:flex;flex-direction:column;gap:10px}.player-list{max-height:300px;overflow-y:auto}.player-item{display:flex;justify-content:space-between;align-items:center;padding:8px;background:#1a1a1a;border-radius:5px;margin-bottom:5px;font-size:12px}.player-item button{padding:4px 8px;font-size:11px;background:#c85a6a;color:#fff}.modal-overlay{position:fixed;inset:0;background:#000c;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:#2a2a2a;padding:40px;border-radius:15px;max-width:500px;width:90%;text-align:center}.modal h2{margin-bottom:20px;color:#6a9bc3}.modal button{margin-top:20px;background:#6a9bc3;color:#fff;padding:12px 30px}@media(max-width:768px){.game-container{flex-direction:column}.sidebar{width:100%;flex-direction:row;overflow-x:auto;overflow-y:visible;padding-right:0;padding-bottom:10px}.panel{min-width:250px}}