/**
 * 聊天面板样式
 */

.chat-panel {
    height: 100%;
    display: flex;
    flex-direction: column;
    background-color: var(--surface-color, #fff);
    border-radius: var(--border-radius, 8px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background-color: var(--primary-color, #2196f3);
    color: white;
    border-bottom: 1px solid var(--border-color, #ddd);
}

.chat-title {
    margin: 0;
    font-size: 16px;
    font-weight: 500;
}

.chat-actions {
    display: flex;
    gap: 8px;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    background-color: var(--bg-primary, #f9f9f9);
    max-height: 400px;
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: var(--bg-secondary, #f1f1f1);
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--border-color, #c1c1c1);
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary, #a8a8a8);
}

.message {
    margin-bottom: 12px;
    padding: 8px 12px;
    border-radius: var(--border-radius, 8px);
    background-color: white;
    border-left: 4px solid var(--border-color, #ddd);
    animation: messageSlide 0.3s ease-out;
}

@keyframes messageSlide {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.message.system {
    border-left-color: var(--info-color, #00bcd4);
    background-color: var(--info-light, #e1f5fe);
}

.message.error {
    border-left-color: var(--danger-color, #f44336);
    background-color: var(--danger-light, #ffebee);
}

.message.success {
    border-left-color: var(--success-color, #4caf50);
    background-color: var(--success-light, #e8f5e8);
}

.message.self {
    background-color: var(--primary-light, #e3f2fd);
    border-left-color: var(--primary-color, #2196f3);
}

.message-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.message-sender {
    font-weight: 600;
    color: var(--primary-color, #2196f3);
    font-size: 14px;
}

.message-text {
    color: var(--text-primary, #333);
    font-size: 14px;
    line-height: 1.4;
    word-wrap: break-word;
}

.message-time {
    font-size: 12px;
    color: var(--text-secondary, #666);
    text-align: right;
    margin-top: 4px;
}

.chat-input-area {
    padding: 16px;
    background-color: white;
    border-top: 1px solid var(--border-color, #ddd);
}

.input-group {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.chat-input {
    flex: 1;
    padding: 8px 12px;
    border: 2px solid var(--border-color, #ddd);
    border-radius: var(--border-radius, 8px);
    font-size: 14px;
    transition: border-color 0.2s ease;
}

.chat-input:focus {
    outline: none;
    border-color: var(--primary-color, #2196f3);
    box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.2);
}

.chat-hint {
    font-size: 12px;
    color: var(--text-secondary, #666);
    text-align: center;
}

/* 观战面板 */
.spectator-panel {
    height: 100%;
    display: flex;
    flex-direction: column;
    background-color: var(--surface-color, #fff);
    border-radius: var(--border-radius, 8px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-top: 16px;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background-color: var(--secondary-color, #ff9800);
    color: white;
}

.panel-title {
    margin: 0;
    font-size: 16px;
    font-weight: 500;
}

.badge {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.spectator-list {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
}

.spectator-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
    border-radius: var(--border-radius, 4px);
    margin-bottom: 4px;
    background-color: var(--bg-secondary, #f5f5f5);
}

.spectator-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--primary-color, #2196f3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 14px;
}

.spectator-name {
    font-size: 14px;
    color: var(--text-primary, #333);
}

/* 排行榜样式 */
.leaderboard-panel {
    height: 100%;
    display: flex;
    flex-direction: column;
    background-color: var(--surface-color, #fff);
    border-radius: var(--border-radius, 8px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-top: 16px;
}

.leaderboard-list {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
    border-radius: var(--border-radius, 8px);
    margin-bottom: 8px;
    background-color: var(--bg-secondary, #f5f5f5);
    transition: transform 0.2s ease;
}

.leaderboard-item:hover {
    transform: translateX(4px);
    background-color: var(--primary-light, #e3f2fd);
}

.leaderboard-rank {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.rank-1 {
    background-color: #ffd700;
    color: #333;
}

.rank-2 {
    background-color: #c0c0c0;
    color: #333;
}

.rank-3 {
    background-color: #cd7f32;
    color: #fff;
}

.rank-other {
    background-color: var(--border-color, #ddd);
    color: var(--text-secondary, #666);
}

.leaderboard-info {
    flex: 1;
    margin: 0 12px;
}

.leaderboard-name {
    font-weight: 600;
    color: var(--text-primary, #333);
    font-size: 14px;
}

.leaderboard-stats {
    font-size: 12px;
    color: var(--text-secondary, #666);
    margin-top: 2px;
}

.leaderboard-score {
    font-weight: 700;
    color: var(--primary-color, #2196f3);
    font-size: 16px;
}

/* 加载状态 */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    color: var(--text-secondary, #666);
}

.loading-spinner-sm {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-color, #ddd);
    border-top: 2px solid var(--primary-color, #2196f3);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 12px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 空状态 */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    color: var(--text-secondary, #666);
}

.empty-icon {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.5;
}

.empty-text {
    font-size: 14px;
    text-align: center;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .chat-panel {
        height: 300px;
    }
    
    .chat-header {
        padding: 12px;
    }
    
    .chat-title {
        font-size: 14px;
    }
    
    .chat-messages {
        padding: 12px;
        max-height: 200px;
    }
    
    .chat-input-area {
        padding: 12px;
    }
    
    .spectator-panel,
    .leaderboard-panel {
        margin-top: 12px;
    }
    
    .leaderboard-item {
        padding: 8px;
    }
    
    .leaderboard-name {
        font-size: 13px;
    }
    
    .leaderboard-score {
        font-size: 14px;
    }
}