/* ========================================
       Content Panel
       ======================================== */
  
    .content-panel {
        display: none;
    }
  
    .content-panel.active {
        display: block;
    }
  
    /* ========================================
       Panel Title
       ======================================== */
  
    .panel-title {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 12px;
    }
  
    .panel-title h2 {
        font-size: 18px;
        font-weight: 600;
        color: var(--text-primary);
    }
  
    .title-actions {
        display: flex;
        gap: 10px;
    }
  
    .btn-icon {
        padding: 8px;
        background: transparent;
        border: none;
        border-radius: var(--radius-sm);
        color: var(--text-secondary);
        cursor: pointer;
        transition: all var(--transition-base);
    }
  
    .btn-icon:hover {
        background: var(--bg-hover);
        color: var(--text-primary);
    }
  
    /* ========================================
       Info Grid - 4 Cards
       ======================================== */
  
    .info-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 12px;
        margin-bottom: 12px;
    }
  
    .info-card {
        background: var(--bg-secondary);
        border: 1px solid var(--border-default);
        border-radius: var(--radius-lg);
        padding: 12px;
        display: flex;
        align-items: flex-start;
        gap: 12px;
        transition: all var(--transition-base);
    }
  
    .info-card:hover {
        border-color: var(--border-strong);
        box-shadow: var(--shadow-md);
    }
  
    .info-icon {
        width: 36px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: var(--radius-md);
        flex-shrink: 0;
    }
  
    .info-icon.voltage {
        background: rgba(59, 130, 246, 0.15);
        color: #3b82f6;
    }
  
    .info-icon.current {
        background: rgba(16, 185, 129, 0.15);
        color: #10b981;
    }
  
    .info-icon.soc {
        background: rgba(139, 92, 246, 0.15);
        color: #8b5cf6;
    }
  
    .info-icon.temperature {
        background: rgba(245, 158, 11, 0.15);
        color: #f59e0b;
    }
  
    .info-content {
        flex: 1;
        min-width: 0;
    }
  
    .info-label {
        display: block;
        font-size: 13px;
        color: var(--text-muted);
        transform: translateX(-50%) translateY(-50%);
    }
  
    .info-value {
        display: block;
        font-size: 18px;
        font-weight: 700;
        color: var(--text-primary);
        font-variant-numeric: tabular-nums;
    }
  
    .info-extra-split {
        display: flex;
        flex-direction: column;
        gap: 4px;
        padding-left: 12px;
        border-left: 1px solid var(--border-subtle);
        min-width: 70px;
    }
  
    .info-extra-row {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }
  
    .info-extra-label {
        font-size: 13px;
        color: var(--text-muted);
    }
  
    .info-extra-value {
        font-size: 13px;
        font-weight: 500;
        font-variant-numeric: tabular-nums;
    }
  
    .info-extra-value.high {
        color: var(--danger);
    }
  
    .info-extra-value.low {
        color: var(--success);
    }
  
    /* ========================================
       Info Details Section
       ======================================== */
  
    .info-details {
        background: var(--bg-secondary);
        border: 1px solid var(--border-default);
        border-radius: var(--radius-lg);
        padding: 12px;
        margin-bottom: 12px;
    }
  
    .info-details h3 {
        font-size: 14px;
        font-weight: 600;
        color: var(--text-primary);
        margin-bottom: 12px;
        padding-bottom: 8px;
        border-bottom: 1px solid var(--border-subtle);
    }
  
    /* Detail List - Multi-column layout */
    .detail-list {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 6px;
    }
  
    .detail-item {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 6px 10px;
        background: var(--bg-tertiary);
        border-radius: var(--radius-sm);
        border: 1px solid var(--border-subtle);
    }
  
    .detail-label {
        font-size: 13px;
        color: var(--text-secondary);
    }
  
    .detail-value {
        font-size: 13px;
        font-weight: 500;
        color: var(--text-primary);
        font-variant-numeric: tabular-nums;
    }
  
    /* ========================================
       Cell Voltage Section - Bar Chart
       ======================================== */
  
    .cell-voltage-section {
        background: var(--bg-secondary);
        border: 1px solid var(--border-default);
        border-radius: var(--radius-lg);
        padding: 12px;
        margin-bottom: 12px;
        overflow: visible;
    }
  
    .cell-voltage-section h3 {
        font-size: 14px;
        font-weight: 600;
        color: var(--text-primary);
        margin-bottom: 12px;
        padding-bottom: 8px;
        border-bottom: 1px solid var(--border-subtle);
    }
  
    .cell-voltage-list {
        min-height: 200px;
        overflow: visible;
    }
  
    .cell-empty {
        text-align: center;
        padding: 40px 20px;
        color: var(--text-muted);
        font-size: 13px;
    }
  
    /* 柱状图容器 */
    .cell-voltage-chart-wrapper {
        display: flex;
        gap: 6px;
        height: 180px;
        padding: 30px 0 10px 0;
    }
  
    /* Y轴 */
    .cell-chart-yaxis {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        align-items: flex-end;
        width: 50px;
        padding-right: 8px;
        border-right: 1px solid var(--border-subtle);
    }
  
    .yaxis-label {
        font-size: 13px;
        color: var(--text-muted);
        font-variant-numeric: tabular-nums;
    }
  
    .yaxis-unit {
        font-size: 13px;
        color: var(--text-muted);
        font-weight: 500;
    }
  
    /* 柱状图区域 */
    .cell-voltage-chart {
        flex: 1;
        display: flex;
        align-items: flex-end;
        gap: 6px;
        padding: 0 8px;
        overflow-x: auto;
        overflow-y: hidden;
    }
  
    /* 单个柱子 */
    .cell-bar-item {
        flex: 1 1 0;
        min-width: 16px;
        max-width: 50px;
        display: flex;
        flex-direction: column;
        align-items: center;
        height: 100%;
        cursor: pointer;
        position: relative;
    }
  
    .cell-bar-container {
        flex: 1;
        width: 100%;
        display: flex;
        align-items: flex-end;
        justify-content: center;
        background: var(--bg-tertiary);
        border-radius: 4px 4px 0 0;
        overflow: visible;
    }
  
    .cell-bar {
        width: 100%;
        min-height: 2px;
        background: var(--accent-gradient);
        border-radius: 4px 4px 0 0;
        transition: height 0.3s ease;
    }
  
    /* 状态颜色 */
    .cell-bar-item.status-high .cell-bar {
        background: linear-gradient(180deg, #10b981 0%, #059669 100%);
    }
  
    .cell-bar-item.status-low .cell-bar {
        background: linear-gradient(180deg, #f59e0b 0%, #d97706 100%);
    }
  
    .cell-bar-item.status-invalid .cell-bar {
        background: var(--bg-tertiary);
    }
  
    /* 柱子底部标签 - 深色主题白色，浅色主题黑色 */
    .cell-bar-label {
        font-size: 13px;
        color: var(--text-primary);
        margin-top: 4px;
        text-align: center;
    }
  
    /* 悬停效果 */
    .cell-bar-item:hover .cell-bar-container {
        background: var(--bg-hover);
    }
  
    .cell-bar-item:hover .cell-bar {
        filter: brightness(1.2);
    }
  
    /* 提示框 */
    .cell-tooltip {
        position: fixed;
        background: var(--bg-primary);
        color: var(--text-primary);
        padding: 6px 10px;
        border-radius: var(--radius-sm);
        font-size: 13px;
        white-space: nowrap;
        z-index: 10000;
        box-shadow: var(--shadow-lg);
        border: 1px solid var(--border-default);
        pointer-events: none;
    }
  

/* ========================================
   Error Record Card Styles
   ======================================== */

.error-record-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    overflow: hidden;
    transition: all var(--transition-base);
}

.error-record-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.error-record-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border-bottom: 1px solid var(--border-color);
}

.record-index {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}

.record-time {
    font-size: 13px;
    color: var(--text-secondary);
}

.error-record-body {
    padding: 16px;
}

.error-record-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 8px;
}

.error-record-row:last-child {
    margin-bottom: 0;
}

.error-record-param {
    display: flex;
    align-items: center;
    gap: 8px;
}

.param-name {
    font-size: 13px;
    color: var(--text-secondary);
    min-width: 80px;
}

.param-value {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

/* 响应式布局 */
@media (max-width: 1200px) {
    .error-record-row {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .error-record-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .error-record-row {
        grid-template-columns: 1fr;
    }
    
    .error-record-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
}

/* ========================================
   Error Records Container
   ======================================== */

.error-records-container {
    padding: 0;
}

.error-records-count {
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    text-align: center;
}

.error-records-count {
    display: none; /* 隐藏记录条数 */
}