*{box-sizing:border-box}body{margin:0;padding:20px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#1a1a2e;color:#eee}#root{max-width:1200px;margin:0 auto}h1{text-align:center;color:#00d9ff;margin-bottom:30px}.card{background:#16213e;border-radius:12px;padding:20px;margin-bottom:20px;border:1px solid #0f3460}.card h2{margin-top:0;color:#e94560;font-size:18px;border-bottom:1px solid #0f3460;padding-bottom:10px}.input-group{display:flex;gap:10px;flex-wrap:wrap}input{padding:12px;border:1px solid #0f3460;border-radius:8px;background:#0f3460;color:#fff;font-size:14px}input:focus{outline:none;border-color:#00d9ff}button{padding:12px 24px;border:none;border-radius:8px;cursor:pointer;font-weight:600;transition:all .2s}.btn-primary{background:#e94560;color:#fff}.btn-primary:hover{background:#ff6b6b}.btn-secondary{background:#0f3460;color:#fff}.btn-secondary:hover{background:#1a4a7a}.btn-success{background:#00d9ff;color:#1a1a2e}.btn-success:hover{background:#00f7ff}.btn-danger{background:#ff4757;color:#fff}.btn-danger:hover{background:#ff6b6b}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-sm{padding:8px 16px;font-size:13px}.btn-close{width:24px;height:24px;padding:0;background:transparent;color:#666;font-size:20px;line-height:1;border-radius:50%}.btn-close:hover{background:#ff475733;color:#ff4757}.status{display:inline-block;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600}.status-success{background:#00d9ff;color:#1a1a2e}.status-warning{background:#ffc107;color:#1a1a2e}.status-error{background:#ff4757;color:#fff}.status-idle{background:#6c757d;color:#fff}.log-container{max-height:300px;overflow-y:auto;background:#0a0a1a;border-radius:8px;padding:15px;font-family:monospace;font-size:13px}.log-entry{padding:5px 0;border-bottom:1px solid #1a1a2e}.log-time{color:#666;margin-right:10px}.log-success{color:#00d9ff}.log-error{color:#ff4757}.log-info{color:#ffc107}.user-list{display:flex;flex-direction:column;gap:15px}.user-item{background:#0a1628;border-radius:8px;padding:15px;border:1px solid #0f3460}.user-header{display:flex;align-items:center;gap:15px;margin-bottom:12px}.user-name{font-size:16px;font-weight:600;color:#fff}.user-id{font-size:12px;color:#666}.user-actions{display:flex;gap:10px;flex-wrap:wrap}.user-room-info{margin-top:12px;padding-top:12px;border-top:1px solid #0f3460;display:flex;gap:20px;font-size:13px;color:#888;flex-wrap:wrap}.error-msg{color:#ff4757;font-size:12px;margin-top:8px}