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input.code-input{font-size:1.5rem;letter-spacing:4px;text-transform:uppercase;font-weight:700}.btn{width:100%;padding:14px;border:none;border-radius:12px;font-size:1.1rem;font-weight:700;cursor:pointer;transition:transform .1s,opacity .2s}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;margin-top:10px}.btn-primary:hover:not(:disabled){opacity:.9}.error-message{color:#e74c3c;margin-top:10px;font-size:.9rem}.waiting-room{background:#fff;border-radius:20px;padding:40px;text-align:center;box-shadow:0 20px 60px #0000004d;max-width:500px;width:100%}.waiting-room h2{font-size:1.5rem;margin-bottom:20px}.waiting-room .player-list{list-style:none;margin:20px 0}.waiting-room .player-list li{padding:8px 16px;background:#f0f0f0;border-radius:8px;margin-bottom:6px;font-size:1rem}.waiting-room .waiting-text{color:#666;font-size:.95rem;margin-top:20px}.pulse{animation:pulse 2s infinite}@keyframes 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.nickname{flex:1;font-size:1.1rem}.scoreboard .score-item .score{font-size:1.1rem;font-weight:700;color:#667eea}.admin-panel{background:#fff;border-radius:20px;padding:30px;box-shadow:0 20px 60px #0000004d;max-width:600px;width:100%}.admin-panel h1{text-align:center;margin-bottom:20px}.admin-panel .session-info{background:#f8f9fa;border-radius:12px;padding:20px;text-align:center;margin-bottom:20px}.admin-panel .session-code{font-size:2.5rem;font-weight:700;letter-spacing:6px;color:#667eea}.admin-panel .player-count{margin-top:8px;color:#666}.admin-panel .admin-controls{display:flex;flex-direction:column;gap:10px}.btn-admin{padding:14px;border:none;border-radius:12px;font-size:1rem;font-weight:700;cursor:pointer;transition:opacity .2s}.btn-admin:hover:not(:disabled){opacity:.85}.btn-admin:disabled{opacity:.4;cursor:not-allowed}.btn-start{background:#27ae60;color:#fff}.btn-next{background:#3498db;color:#fff}.btn-reveal{background:#f39c12;color:#fff}.admin-panel 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