/* Tag统计面板样式 */
.tag-statistics-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    background: rgba(0, 0, 0, 0.95);
    border: 2px solid rgba(6, 182, 212, 0.3);
    border-radius: var(--radius-xl);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    z-index: 10000;
    overflow: hidden;
    animation: panelSlideIn 0.3s ease-out;
}

@keyframes panelSlideIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.tag-stats-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    background: rgba(6, 182, 212, 0.1);
    border-bottom: 1px solid rgba(6, 182, 212, 0.2);
}

.tag-stats-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.9);
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.tag-stats-title i {
    color: rgba(6, 182, 212, 0.8);
}

.close-stats-btn {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: rgba(239, 68, 68, 0.8);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-smooth);
}

.close-stats-btn:hover {
    background: rgba(239, 68, 68, 0.3);
    border-color: rgba(239, 68, 68, 0.5);
    color: rgba(239, 68, 68, 1);
}

.tag-stats-content {
    padding: var(--spacing-lg);
    max-height: calc(80vh - 80px);
    overflow-y: auto;
}

/* 总体统计卡片 */
.stats-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--duration-normal) var(--ease-smooth);
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(6, 182, 212, 0.3);
    transform: translateY(-2px);
}

.stat-number {
    color: rgba(6, 182, 212, 0.9);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 12px;
    font-weight: 500;
}

/* 统计部分 */
.stats-section {
    margin-bottom: var(--spacing-xl);
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.8);
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 var(--spacing-md) 0;
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.section-title i {
    color: rgba(6, 182, 212, 0.7);
    font-size: 14px;
}

.tag-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.tag-stat-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-smooth);
}

.tag-stat-item:hover {
    background: rgba(6, 182, 212, 0.1);
    border-color: rgba(6, 182, 212, 0.3);
    transform: translateX(4px);
}

.tag-name {
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    font-weight: 500;
}

.tag-count,
.tag-time,
.tag-connections {
    color: rgba(255, 255, 255, 0.6);
    font-size: 12px;
    font-weight: 400;
}

/* 操作按钮 */
.stats-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.action-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-smooth);
    font-size: 12px;
    font-weight: 500;
}

.action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.export-btn:hover {
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.3);
    color: rgba(34, 197, 94, 0.9);
}

.import-btn:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
    color: rgba(59, 130, 246, 0.9);
}

.cleanup-btn:hover {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
    color: rgba(245, 158, 11, 0.9);
}

.action-btn i {
    font-size: 12px;
}

/* 标签搜索建议 */
.tag-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    z-index: 1000;
    max-height: 300px;
    overflow-y: auto;
    animation: suggestionsSlideDown 0.2s ease-out;
}

@keyframes suggestionsSlideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.suggestions-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(6, 182, 212, 0.1);
    border-bottom: 1px solid rgba(6, 182, 212, 0.2);
}

.suggestions-title {
    color: rgba(255, 255, 255, 0.8);
    font-size: 12px;
    font-weight: 500;
}

.close-suggestions-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-xs);
    transition: all var(--duration-normal) var(--ease-smooth);
}

.close-suggestions-btn:hover {
    color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.1);
}

.suggestions-list {
    padding: var(--spacing-xs);
}

.suggestion-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-smooth);
}

.suggestion-item:hover {
    background: rgba(6, 182, 212, 0.1);
}

.suggestion-item.related {
    background: rgba(6, 182, 212, 0.05);
    border-left: 3px solid rgba(6, 182, 212, 0.3);
}

.suggestion-name {
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    font-weight: 500;
}

.suggestion-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
}

.connection-strength {
    color: rgba(6, 182, 212, 0.7);
    font-size: 10px;
    font-weight: 500;
}

.usage-count {
    color: rgba(255, 255, 255, 0.6);
    font-size: 10px;
    font-weight: 400;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .tag-statistics-panel {
        width: 95%;
        max-height: 90vh;
    }
    
    .stats-overview {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }
    
    .stat-card {
        padding: var(--spacing-sm);
    }
    
    .stat-number {
        font-size: 20px;
    }
    
    .stats-actions {
        flex-direction: column;
    }
    
    .action-btn {
        font-size: 11px;
        padding: var(--spacing-sm);
    }
}

/* 滚动条样式 */
.tag-stats-content::-webkit-scrollbar,
.tag-suggestions::-webkit-scrollbar {
    width: 6px;
}

.tag-stats-content::-webkit-scrollbar-track,
.tag-suggestions::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
}

.tag-stats-content::-webkit-scrollbar-thumb,
.tag-suggestions::-webkit-scrollbar-thumb {
    background: rgba(6, 182, 212, 0.3);
    border-radius: 3px;
}

.tag-stats-content::-webkit-scrollbar-thumb:hover,
.tag-suggestions::-webkit-scrollbar-thumb:hover {
    background: rgba(6, 182, 212, 0.5);
}