#game-canvas{display:block;margin:0 auto;border-radius:8px;background:#1a1a2e;box-shadow:0 4px 20px rgba(0,0,0,.3)}.board-container{position:relative;display:flex;justify-content:center;align-items:center;width:100%;padding:10px;background:linear-gradient(145deg,#16213e,#0f0f23);border-radius:12px;margin:10px 0;box-sizing:border-box}.player-card .color-indicator{width:18px;height:18px;border-radius:50%;flex-shrink:0}.player-card .color-indicator.player1-color{background:linear-gradient(135deg,#e74c3c,#c0392b);border:1px solid #c0392b}.player-card .color-indicator.player2-color{background:linear-gradient(135deg,#3498db,#2980b9);border:1px solid #2980b9}.player-card .score{font-family:monospace;font-size:14px;font-weight:700}#player1-card .score{color:#e74c3c}#player2-card .score{color:#3498db}.chat-tabs{display:flex;border-bottom:1px solid var(--border-color);margin-bottom:0}.chat-tab{flex:1;padding:10px 15px;background:0 0;border:none;color:var(--text-secondary);font-size:14px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:6px}.chat-tab:hover{background:var(--bg-hover);color:var(--text-primary)}.chat-tab.active{color:var(--accent);border-bottom:2px solid var(--accent);font-weight:500}.participant-count{background:var(--accent);color:#fff;font-size:11px;padding:2px 6px;border-radius:10px;margin-left:4px}.tab-content{flex:1;display:flex;flex-direction:column;overflow:hidden}#chat-content{display:flex;flex-direction:column;height:100%}#chat-content .chat-messages{flex:1}.participants-list{padding:10px;overflow-y:auto;height:100%}.participant-section{margin-bottom:15px}.participant-section-header{font-size:12px;color:var(--text-secondary);font-weight:600;margin-bottom:8px;padding-bottom:5px;border-bottom:1px solid var(--border-color)}.participant-items{display:flex;flex-direction:column;gap:6px}.participant-item{display:flex;align-items:center;gap:10px;padding:8px 10px;background:var(--bg-secondary);border-radius:8px;font-size:13px}.participant-item.player{border-left:3px solid var(--accent)}.participant-item.host{border-left:3px solid #f1c40f}.participant-avatar{width:28px;height:28px;border-radius:50%;background:var(--bg-hover);display:flex;align-items:center;justify-content:center;font-size:14px}.participant-info{flex:1}.participant-name{font-weight:500;color:var(--text-primary)}.participant-role{font-size:11px;color:var(--text-secondary)}.participant-badge{font-size:10px;padding:2px 6px;border-radius:4px;font-weight:500}.participant-badge.host{background:#f1c40f;color:#000}.participant-badge.red{background:#e74c3c;color:#fff}.participant-badge.blue{background:#3498db;color:#fff}.empty-participants{text-align:center;color:var(--text-secondary);padding:20px;font-size:13px}.final-score{font-size:18px;font-weight:700;margin-bottom:10px;color:var(--text-primary)}.ai-badge{background:linear-gradient(135deg,#f39c12,#e67e22);color:#fff;font-size:10px;font-weight:700;padding:2px 6px;border-radius:4px;margin-left:8px}.waiting-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.8);display:none;flex-direction:column;justify-content:center;align-items:center;border-radius:12px;z-index:10}.waiting-overlay.active{display:flex}.waiting-overlay h3{margin-top:20px;color:var(--text-primary)}.spinner{width:40px;height:40px;border:3px solid var(--surface);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width:820px){.board-container{width:100%;padding:10px;box-sizing:border-box}}@media (max-width:480px){.player-card{min-width:140px;padding:8px 10px}.player-card .name{font-size:13px}.player-card .score{font-size:16px}.player-card .color-indicator{width:16px;height:16px}.board-container{padding:4px}}.theme-light .board-container{background:linear-gradient(145deg,#e8e8e8,#f5f5f5)}.theme-light #game-canvas{background:#f0f0f0}.theme-light .player-card{background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.1)}.theme-light .player-score{background:rgba(0,0,0,.05)}@media (max-width:768px){.ad-pc-only{display:none!important}}@media (min-width:769px){.ad-mobile-only{display:none!important}}.ad-lobby{display:flex;flex-wrap:wrap;justify-content:center}.ad-mobile-fixed{position:static;margin:10px auto;width:320px;height:50px}.ad-mobile-fixed.hidden{display:none}.sidebar{padding:1px;gap:1px}.sidebar-tabs{display:flex;border-bottom:1px solid var(--border-color);margin-bottom:1px;flex-shrink:0}.sidebar-tab{flex:1;padding:10px;background:0 0;border:none;color:var(--text-secondary);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:6px}.sidebar-tab:hover{background:var(--bg-hover);color:var(--text-primary)}.sidebar-tab.active{color:var(--accent);border-bottom:2px solid var(--accent);margin-bottom:-1px}.sidebar-tab-content{flex:1;display:flex;flex-direction:column;gap:1px;overflow-y:auto;min-height:0}#sidebar-chat-content .chat-panel{display:flex;flex-direction:column;flex:1;background:var(--bg-card);border-radius:1px;overflow:hidden;min-height:0}#sidebar-chat-content .chat-section{flex:1;display:flex;flex-direction:column;overflow:hidden;min-height:0}#sidebar-chat-content .chat-messages{flex:1;overflow-y:auto;padding:1px;min-height:150px}#sidebar-chat-content .game-controls{padding:10px;border-top:1px solid var(--border-color);display:flex;flex-wrap:wrap;gap:8px;flex-shrink:0}#sidebar-chat-content .game-controls .btn{flex:1;min-width:80px}.sidebar .ad-sidebar{flex-shrink:0;margin-top:auto;display:flex;justify-content:center}@media (max-width:820px){.sidebar-tabs{display:none}}#participants-content{min-height:0}#participants-content .participants-list{flex:1;height:auto;min-height:0}.participant-search{padding:10px 10px 0}.participant-search input{width:100%;padding:8px 10px;color:var(--text-primary);background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:6px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}#players-list.virtual-list{display:block}#players-list.virtual-list>.participant-item{margin-bottom:6px}.virtual-list-spacer{width:100%;margin:0;padding:0;pointer-events:none}