/* ===== 基础重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 主色调 */
    --color-primary: #1e293b;
    --color-primary-light: #334155;
    --color-primary-dark: #0f172a;

    /* 模型配色 */
    --color-opus: #d97706;
    --color-sonnet: #ec4899;
    --color-haiku: #3b82f6;
    --color-deepseek: #10b981;

    /* 中性色 */
    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-border: #e2e8f0;
    --color-border-dark: #cbd5e1;
    --color-text: #1e293b;
    --color-text-secondary: #64748b;
    --color-text-muted: #94a3b8;

    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    font-size: 14px;
}

/* ===== 应用容器 ===== */
.app-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ===== 顶部标题栏 ===== */
.header {
    background-color: var(--color-surface);
    border-bottom: 2px solid var(--color-border);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo {
    width: 48px;
    height: 48px;
    background-color: var(--color-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.header-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text);
}

.header-subtitle {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-top: 2px;
}

.header-stats {
    display: flex;
    gap: var(--spacing-lg);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    min-width: 100px;
}

.stat-item.highlight {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.stat-item.highlight .stat-value,
.stat-item.highlight .stat-label {
    color: white;
}

.stat-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 11px;
    color: var(--color-text-secondary);
    margin-top: 2px;
}

/* ===== 主内容区 ===== */
.main-content {
    flex: 1;
    display: flex;
    overflow: hidden;
    min-height: 0;
}

/* ===== 左侧边栏 ===== */
.sidebar {
    width: 260px;
    background-color: var(--color-surface);
    border-right: 2px solid var(--color-border);
    padding: var(--spacing-md);
    overflow-y: auto;
    flex-shrink: 0;
}

.sidebar-section {
    margin-bottom: var(--spacing-lg);
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.section-header svg {
    color: var(--color-text-muted);
}

/* 模型卡片 */
.model-card {
    background-color: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    cursor: pointer;
    transition: all 0.2s ease;
}

.model-card:hover {
    border-color: var(--color-border-dark);
}

.model-card.active {
    border-color: var(--color-primary);
    background-color: var(--color-surface);
}

.model-card.opus { border-left-color: var(--color-opus); }
.model-card.sonnet { border-left-color: var(--color-sonnet); }
.model-card.haiku { border-left-color: var(--color-haiku); }
.model-card.deepseek { border-left-color: var(--color-deepseek); }

.model-card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.model-icon {
    width: 22px;
    height: 22px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.model-icon img {
    width: 16px;
    height: 16px;
    object-fit: contain;
}

/* 给不同模型的图标加上背景色区分 */
.model-card.opus .model-icon { background-color: #fef3c7; }
.model-card.sonnet .model-icon { background-color: #fce7f3; }
.model-card.haiku .model-icon { background-color: #dbeafe; }
.model-card.deepseek .model-icon { background-color: #d1fae5; }

.model-name {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text);
}

.model-stats {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
}

.model-cost {
    font-weight: 700;
    color: var(--color-text);
}

.model-percent {
    color: var(--color-text-secondary);
}

/* 模型卡片全局提示 */
.model-global-hint {
    margin-top: var(--spacing-xs);
    padding-top: var(--spacing-xs);
    border-top: 1px dashed var(--color-border);
    font-size: 10px;
    color: var(--color-text-muted);
}

/* 可折叠区域 */
.sidebar-section.collapsible .section-header.clickable {
    cursor: pointer;
    user-select: none;
    transition: all 0.2s ease;
}

.sidebar-section.collapsible .section-header.clickable:hover {
    color: var(--color-text);
}

.section-header .collapse-icon {
    margin-left: auto;
    transition: transform 0.2s ease;
    color: var(--color-text-muted);
}

.sidebar-section.collapsible.collapsed .collapse-icon {
    transform: rotate(-90deg);
}

/* 当前筛选徽章 */
.current-filter-badge {
    display: none;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 8px;
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--radius-sm);
    margin-left: auto;
    margin-right: var(--spacing-sm);
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar-section.collapsible.collapsed .current-filter-badge {
    display: inline-block;
}

/* 快捷筛选 */
.quick-filters {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    max-height: 500px;
    overflow: hidden;
    transition: max-height 0.25s ease-out, opacity 0.2s ease-out, margin-top 0.2s ease;
    opacity: 1;
}

.sidebar-section.collapsible.collapsed .quick-filters {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
}

.quick-filter-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.quick-filter-btn:hover {
    border-color: var(--color-border-dark);
    color: var(--color-text);
}

.quick-filter-btn.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* 费用统计 */
.cost-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.cost-stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.cost-stat-item:last-child {
    border-bottom: none;
}

.cost-stat-label {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.cost-stat-value {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
}

/* 费用统计分隔线 */
.cost-stat-divider {
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-border), transparent);
    margin: var(--spacing-sm) 0;
}

/* 费用统计对比项 */
.cost-stat-item.comparison {
    background-color: var(--color-bg);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
}

.cost-stat-item.comparison .cost-stat-value {
    color: var(--color-primary);
}

/* ===== 中间内容区 ===== */
.content-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

/* 标签页 */
.tab-container {
    background-color: var(--color-surface);
    border-bottom: 2px solid var(--color-border);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.tabs {
    display: flex;
    gap: var(--spacing-xs);
}

.tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab:hover {
    background-color: var(--color-bg);
    color: var(--color-text);
}

.tab.active {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.tab.active svg {
    color: white;
}

.tab-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.filter-indicator {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.clear-filter-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--radius-sm);
    font-size: 11px;
    color: #dc2626;
    cursor: pointer;
    transition: all 0.2s ease;
}

.clear-filter-btn:hover {
    background-color: #fee2e2;
}

/* 内容面板 */
.tab-content {
    display: none;
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.tab-content.active {
    display: block;
}

/* ===== 概览视图 ===== */
.overview-stats {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.overview-stat-card {
    background-color: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.overview-stat-card.highlight {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.overview-stat-card.highlight .overview-stat-label,
.overview-stat-card.highlight .overview-stat-value {
    color: white;
}

.overview-stat-card.highlight .overview-stat-label {
    opacity: 0.8;
}

.overview-stat-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.overview-stat-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
}

.overview-stat-sub {
    font-size: 11px;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.overview-stat-card.highlight .overview-stat-sub {
    color: rgba(255,255,255,0.7);
}

.overview-charts {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.chart-panel {
    background-color: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
}

.chart-panel.full-width {
    grid-column: span 2;
}

.chart-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.chart-container {
    position: relative;
    height: 250px;
}

/* ===== 每日明细视图 ===== */
.daily-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

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

.daily-info .separator {
    margin: 0 var(--spacing-sm);
    color: var(--color-border-dark);
}

#dailyTotalCost {
    font-weight: 600;
    color: var(--color-text);
}

.sort-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.sort-label {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-right: var(--spacing-sm);
}

.sort-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 11px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.sort-btn:hover {
    border-color: var(--color-border-dark);
    color: var(--color-text);
}

.sort-btn.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.daily-table-container {
    background-color: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.daily-table {
    width: 100%;
    border-collapse: collapse;
}

.daily-table th {
    text-align: left;
    padding: var(--spacing-md);
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background-color: var(--color-bg);
    border-bottom: 2px solid var(--color-border);
    position: sticky;
    top: 0;
}

.daily-table td {
    padding: var(--spacing-md);
    font-size: 13px;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
}

.daily-table tr {
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.daily-table tr:hover {
    background-color: var(--color-bg);
}

.daily-table tr.selected {
    background-color: #eff6ff;
}

.daily-table .date {
    font-weight: 600;
}

.daily-table .cost {
    font-weight: 700;
    color: var(--color-opus);
}

.daily-table .tokens {
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 12px;
    color: var(--color-text-secondary);
}

/* 模型标签 */
.model-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.model-tag {
    font-size: 10px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.model-tag.opus { background: #fef3c7; color: #92400e; }
.model-tag.sonnet { background: #fce7f3; color: #9d174d; }
.model-tag.haiku { background: #dbeafe; color: #1e40af; }
.model-tag.deepseek { background: #d1fae5; color: #065f46; }

/* ===== 模型详情视图 ===== */
.models-tabs {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.model-tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.model-tab:hover {
    border-color: var(--color-border-dark);
    color: var(--color-text);
}

.model-tab.active {
    border-color: var(--color-primary);
    color: var(--color-text);
    background-color: var(--color-bg);
}

.model-tab-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.model-tab-dot.opus { background: var(--color-opus); }
.model-tab-dot.sonnet { background: var(--color-sonnet); }
.model-tab-dot.haiku { background: var(--color-haiku); }
.model-tab-dot.deepseek { background: var(--color-deepseek); }

.model-detail-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.model-detail-card {
    background-color: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.model-detail-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.model-detail-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    background-color: var(--color-bg);
    border: 2px solid var(--color-border);
    overflow: hidden;
}

.model-detail-icon img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.model-detail-info h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
}

.model-detail-info p {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.model-detail-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.model-stat-item {
    padding: var(--spacing-md);
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
}

.model-stat-item .label {
    font-size: 11px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.model-stat-item .value {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
}

/* ===== 定价参考视图 ===== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.pricing-card {
    background-color: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.pricing-card.opus { border-top: 4px solid var(--color-opus); }
.pricing-card.sonnet { border-top: 4px solid var(--color-sonnet); }
.pricing-card.haiku { border-top: 4px solid var(--color-haiku); }
.pricing-card.deepseek { border-top: 4px solid var(--color-deepseek); }

.pricing-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.pricing-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    overflow: hidden;
}

.pricing-icon img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.pricing-card.opus .pricing-icon { background: #fef3c7; }
.pricing-card.sonnet .pricing-icon { background: #fce7f3; }
.pricing-card.haiku .pricing-icon { background: #dbeafe; }
.pricing-card.deepseek .pricing-icon { background: #d1fae5; }

.pricing-info h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}

.pricing-info p {
    font-size: 11px;
    color: var(--color-text-secondary);
}

.pricing-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* 定价分段标题 */
.pricing-section-title {
    font-size: 10px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px dashed var(--color-border);
}

.pricing-section-title:first-child {
    margin-top: 0;
}

.pricing-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.pricing-row:last-child {
    border-bottom: none;
}

.pricing-row .label {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.pricing-row .value {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
}

/* ===== 右侧详情面板 ===== */
.detail-panel {
    width: 300px;
    background-color: var(--color-surface);
    border-left: 2px solid var(--color-border);
    overflow-y: auto;
    flex-shrink: 0;
}

/* 摘要面板 */
.detail-summary {
    padding: var(--spacing-md);
    border-bottom: 2px solid var(--color-border);
}

.summary-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.summary-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text);
}

.summary-filter-hint {
    font-size: 10px;
    padding: 2px 8px;
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--radius-sm);
}

.summary-section {
    margin-bottom: var(--spacing-md);
}

.summary-section:last-of-type {
    margin-bottom: 0;
}

.summary-section-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

.summary-big-stat {
    text-align: center;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: var(--radius-md);
    border: 2px solid var(--color-border);
}

.big-stat-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--color-opus);
}

.big-stat-label {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xs);
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
}

.summary-item {
    background-color: var(--color-bg);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    text-align: center;
}

.summary-item-label {
    font-size: 10px;
    color: var(--color-text-muted);
}

.summary-item-value {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-text);
    margin-top: 2px;
}

.summary-ranking {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
}

.summary-rank-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--color-bg);
    border-radius: var(--radius-sm);
}

.rank-num {
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: white;
    border-radius: 50%;
    font-size: 10px;
    font-weight: 700;
}

.rank-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.rank-icon img {
    width: 14px;
    height: 14px;
    object-fit: contain;
}

.rank-name {
    flex: 1;
    font-size: 12px;
    font-weight: 500;
}

.rank-cost {
    font-size: 12px;
    font-weight: 700;
    color: var(--color-text);
}

.summary-latest {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background-color: var(--color-bg);
    border-radius: var(--radius-sm);
    border: 2px solid var(--color-border);
}

.latest-date {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.latest-cost {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-opus);
}

.summary-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    font-size: 11px;
    color: var(--color-text-muted);
}

.detail-content {
    padding: var(--spacing-md);
}

.detail-header {
    margin-bottom: var(--spacing-lg);
}

.detail-date {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.detail-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.detail-cost {
    font-size: 28px;
    font-weight: 800;
    color: var(--color-opus);
}

/* 详情面板提示 */
.detail-cost-hint {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.detail-filter-hint {
    font-weight: 400;
    color: var(--color-primary);
    font-size: 10px;
    margin-left: var(--spacing-xs);
}

.detail-section {
    margin-bottom: var(--spacing-lg);
}

.detail-section-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.detail-stat-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.detail-stat-item {
    padding: var(--spacing-sm);
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
}

.detail-stat-item .label {
    font-size: 10px;
    color: var(--color-text-muted);
}

.detail-stat-item .value {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}

.detail-model-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.detail-model-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    border-left: 3px solid;
}

.detail-model-item.opus { border-left-color: var(--color-opus); }
.detail-model-item.sonnet { border-left-color: var(--color-sonnet); }
.detail-model-item.haiku { border-left-color: var(--color-haiku); }
.detail-model-item.deepseek { border-left-color: var(--color-deepseek); }

/* 模型项高亮（筛选时） */
.detail-model-item.highlighted {
    background-color: var(--color-surface);
    box-shadow: var(--shadow-sm);
    border-left-width: 4px;
}

.detail-model-name {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text);
}

.detail-model-name img {
    width: 16px;
    height: 16px;
    object-fit: contain;
}

.detail-model-cost {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-text);
}

/* ===== 响应式 ===== */
@media (max-width: 1200px) {
    .overview-stats {
        grid-template-columns: repeat(3, 1fr);
    }
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .detail-panel {
        width: 280px;
    }
    .sidebar {
        width: 220px;
    }
}

@media (max-width: 1024px) {
    .sidebar {
        display: none;
    }
    .detail-panel {
        display: none;
    }
}

@media (max-width: 768px) {
    .overview-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .overview-charts {
        grid-template-columns: 1fr;
    }
    .chart-panel.full-width {
        grid-column: span 1;
    }
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    .model-detail-container {
        grid-template-columns: 1fr;
    }
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border-dark);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}