/* =====================================================
   趋势分析页面样式（重构版）
   配色与主应用统一：绿色主题 #10B981
   作用域隔离：仅在 #trendAnalysisPage 内生效
===================================================== */

/* CSS变量 - 与主应用一致 */
#trendAnalysisPage {
    --trend-accent: #10B981;
    --trend-accent-dark: #059669;
    --trend-accent-light: rgba(16, 185, 129, 0.1);
    --trend-orange: #ff9f40;
    --trend-orange-light: rgba(255, 159, 64, 0.1);
    --trend-text: #6B7280;
    --trend-text-strong: #111827;
    --trend-border: #E5E7EB;
    --trend-surface: #F9FAFB;
    --trend-bg: #FFFFFF;
}

/* 趋势分析容器 - 无独立header，直接从内容开始 */
#trendAnalysisPage .trend-app-container {
    width: 100%;
    margin: 0;
    padding: 0;
}

/* =====================================================
   顶部数据概览区（Dashboard风格）
===================================================== */
#trendAnalysisPage .trend-stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

#trendAnalysisPage .trend-stat-card {
    background: linear-gradient(135deg, var(--trend-accent) 0%, var(--trend-accent-dark) 100%);
    color: white;
    padding: 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
    transition: all 0.3s ease;
}

#trendAnalysisPage .trend-stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
}

#trendAnalysisPage .trend-stat-card.orange {
    background: linear-gradient(135deg, var(--trend-orange) 0%, #f59e0b 100%);
    box-shadow: 0 4px 12px rgba(255, 159, 64, 0.25);
}

#trendAnalysisPage .trend-stat-card.orange:hover {
    box-shadow: 0 6px 20px rgba(255, 159, 64, 0.35);
}

#trendAnalysisPage .trend-stat-icon {
    font-size: 32px;
    opacity: 0.9;
}

#trendAnalysisPage .trend-stat-info {
    flex: 1;
}

#trendAnalysisPage .trend-stat-value {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.2;
}

#trendAnalysisPage .trend-stat-label {
    font-size: 13px;
    opacity: 0.85;
    margin-top: 2px;
}

#trendAnalysisPage .trend-stat-trend {
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 4px;
    opacity: 0.9;
}

/* =====================================================
   主内容区：左窄右宽双栏布局
===================================================== */
#trendAnalysisPage .trend-main-content {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 20px;
}

/* =====================================================
   左侧控制面板（紧凑版 240px）
===================================================== */
#trendAnalysisPage .trend-control-panel {
    background: var(--trend-bg);
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    border: 1px solid var(--trend-border);
    height: fit-content;
    position: sticky;
    top: 20px;
}

#trendAnalysisPage .panel-section {
    margin-bottom: 16px;
}

#trendAnalysisPage .panel-section:last-child {
    margin-bottom: 0;
}

#trendAnalysisPage .section-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--trend-text-strong);
    margin-bottom: 12px;
}

#trendAnalysisPage .section-title .icon {
    font-size: 16px;
}

/* 数据状态 */
#trendAnalysisPage .data-status {
    padding: 12px;
    background: var(--trend-surface);
    border-radius: 8px;
}

#trendAnalysisPage .status-loading {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
    font-size: 13px;
    color: var(--trend-text);
}

#trendAnalysisPage .spinner-small {
    width: 18px;
    height: 18px;
    border: 2px solid var(--trend-border);
    border-top-color: var(--trend-accent);
    border-radius: 50%;
    animation: trend-spin 0.8s linear infinite;
}

@keyframes trend-spin {
    to { transform: rotate(360deg); }
}

#trendAnalysisPage .data-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

#trendAnalysisPage .info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 10px;
    background: var(--trend-surface);
    border-radius: 6px;
}

#trendAnalysisPage .info-label {
    font-size: 12px;
    color: var(--trend-text);
}

#trendAnalysisPage .info-value {
    font-size: 13px;
    font-weight: 600;
    color: var(--trend-text-strong);
}

/* =====================================================
   筛选模式卡片（紧凑版）
===================================================== */
#trendAnalysisPage .mode-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

#trendAnalysisPage .mode-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid var(--trend-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--trend-bg);
}

#trendAnalysisPage .mode-option:hover {
    border-color: var(--trend-accent);
    background: var(--trend-accent-light);
}

#trendAnalysisPage .mode-option input[type="radio"] {
    margin: 0;
    width: 16px;
    height: 16px;
    accent-color: var(--trend-accent);
}

#trendAnalysisPage .mode-option:has(input:checked) {
    border-color: var(--trend-accent);
    background: var(--trend-accent-light);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

#trendAnalysisPage .mode-icon {
    font-size: 20px;
    transition: transform 0.2s;
}

#trendAnalysisPage .mode-option:has(input:checked) .mode-icon {
    transform: scale(1.1);
}

#trendAnalysisPage .mode-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

#trendAnalysisPage .mode-text strong {
    font-size: 13px;
    color: var(--trend-text-strong);
}

#trendAnalysisPage .mode-text small {
    font-size: 11px;
    color: var(--trend-text);
}

/* =====================================================
   操作按钮
===================================================== */
#trendAnalysisPage .action-buttons {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 16px;
}

#trendAnalysisPage .btn {
    padding: 10px 16px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

#trendAnalysisPage .btn-primary {
    background: linear-gradient(135deg, var(--trend-accent) 0%, var(--trend-accent-dark) 100%);
    color: white;
}

#trendAnalysisPage .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

#trendAnalysisPage .btn-secondary {
    background: var(--trend-surface);
    color: var(--trend-text-strong);
    border: 1px solid var(--trend-border);
}

#trendAnalysisPage .btn-secondary:hover {
    background: var(--trend-border);
}

#trendAnalysisPage .btn-outline {
    background: var(--trend-bg);
    color: var(--trend-accent);
    border: 1px solid var(--trend-accent);
}

#trendAnalysisPage .btn-outline:hover {
    background: var(--trend-accent);
    color: white;
}

#trendAnalysisPage .btn-large {
    padding: 12px 20px;
    font-size: 14px;
}

/* 使用说明（折叠式） */
#trendAnalysisPage .info-box {
    padding: 12px;
    background: var(--trend-surface);
    border-radius: 8px;
    border-left: 3px solid var(--trend-accent);
    font-size: 12px;
    color: var(--trend-text);
    line-height: 1.5;
}

/* =====================================================
   右侧结果面板
===================================================== */
#trendAnalysisPage .trend-result-panel {
    background: var(--trend-bg);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    border: 1px solid var(--trend-border);
    min-height: calc(100vh - 280px);
}

/* 空状态/加载状态 */
#trendAnalysisPage .empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    color: var(--trend-text);
    text-align: center;
    padding: 40px;
}

#trendAnalysisPage .empty-icon {
    font-size: 56px;
    margin-bottom: 16px;
}

#trendAnalysisPage .spinner-large {
    width: 48px;
    height: 48px;
    border: 3px solid var(--trend-border);
    border-top-color: var(--trend-accent);
    border-radius: 50%;
    animation: trend-spin 1s linear infinite;
    margin-bottom: 20px;
}

#trendAnalysisPage .empty-state h2 {
    font-size: 20px;
    color: var(--trend-text-strong);
    margin-bottom: 8px;
}

#trendAnalysisPage .empty-state p {
    font-size: 14px;
    color: var(--trend-text);
    margin-bottom: 16px;
}

/* =====================================================
   结果容器
===================================================== */
#trendAnalysisPage .result-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

#trendAnalysisPage .result-header {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 12px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--trend-border);
}

#trendAnalysisPage .result-header h2 {
    font-size: 18px;
    color: var(--trend-text-strong);
    margin: 0;
    white-space: nowrap;
}

#trendAnalysisPage .result-count {
    font-size: 13px;
    color: var(--trend-text);
    white-space: nowrap;
    flex-shrink: 0;
}

#trendAnalysisPage .result-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    flex-shrink: 0;
}

/* =====================================================
   结果列表 - 5列网格布局（每页50个，5列x10行）
===================================================== */
#trendAnalysisPage .result-list {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}

/* 单个关键词卡片 */
#trendAnalysisPage .result-item-card {
    display: flex;
    flex-direction: column;
    padding: 10px 12px;
    border: 1px solid var(--trend-border);
    border-radius: 10px;
    transition: all 0.2s ease;
    background: var(--trend-bg);
    min-height: 220px;
}

#trendAnalysisPage .result-item-card:hover {
    border-color: var(--trend-accent);
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.15);
    transform: translateY(-2px);
}

/* 卡片头部：排名 + 趋势类型 */
#trendAnalysisPage .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

#trendAnalysisPage .card-rank {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--trend-accent) 0%, var(--trend-accent-dark) 100%);
    color: white;
    font-size: 11px;
    font-weight: 700;
    border-radius: 5px;
    flex-shrink: 0;
}

/* TOP3特殊样式 */
#trendAnalysisPage .result-item-card:nth-child(1) .card-rank {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

#trendAnalysisPage .result-item-card:nth-child(2) .card-rank {
    background: linear-gradient(135deg, #94a3b8 0%, #64748b 100%);
}

#trendAnalysisPage .result-item-card:nth-child(3) .card-rank {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
}

/* 关键词标题 - 支持双击跳转亚马逊 */
#trendAnalysisPage .card-keyword {
    font-size: 12px;
    font-weight: 600;
    color: var(--trend-text-strong);
    margin: 0 0 2px 0;
    line-height: 1.25;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    word-break: break-word;
    cursor: pointer;
    transition: color 0.2s ease, text-decoration 0.2s ease;
}

#trendAnalysisPage .card-keyword:hover {
    color: #f97316;
    text-decoration: underline;
}

/* 卡片数据统计 */
#trendAnalysisPage .card-stats {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 4px;
}

/* 潜力指数和增长率一行展示 */
#trendAnalysisPage .card-stat-row {
    display: flex !important;
    flex-direction: row !important;
    justify-content: space-between;
    align-items: center;
    padding: 4px 6px;
    background: var(--trend-surface);
    border-radius: 4px;
}

#trendAnalysisPage .card-stat-row .stat-item {
    display: inline-flex !important;
    flex-direction: row !important;
    align-items: baseline;
    gap: 4px;
}

#trendAnalysisPage .card-stat-row .stat-label {
    font-size: 10px;
    color: var(--trend-text);
    white-space: nowrap;
}

#trendAnalysisPage .card-stat-row .stat-value {
    font-size: 12px;
    font-weight: 600;
    color: var(--trend-text-strong);
    white-space: nowrap;
}

#trendAnalysisPage .card-stat-row .stat-value.positive {
    color: var(--trend-accent);
}

#trendAnalysisPage .card-stat-row .stat-value.negative {
    color: #ef4444;
}

#trendAnalysisPage .card-stat {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 3px 6px;
    background: var(--trend-surface);
    border-radius: 4px;
}

#trendAnalysisPage .card-stat .stat-label {
    font-size: 10px;
    color: var(--trend-text);
}

#trendAnalysisPage .card-stat .stat-value {
    font-size: 10px;
    font-weight: 600;
    color: var(--trend-text-strong);
    text-align: right;
}

#trendAnalysisPage .card-stat .stat-value.positive {
    color: var(--trend-accent);
}

#trendAnalysisPage .card-stat .stat-value.negative {
    color: #ef4444;
}

#trendAnalysisPage .card-stat.card-stat-wide {
    /* 保持一行布局 */
}

#trendAnalysisPage .card-stat-wide .stat-label {
    font-size: 10px;
}

#trendAnalysisPage .card-stat-wide .stat-value {
    font-size: 10px;
    text-align: right;
}

/* 图表区域 */
#trendAnalysisPage .card-chart {
    flex: 1;
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 4px;
}

#trendAnalysisPage .sparkline-canvas-grid {
    width: 100%;
    height: 90px;
}

/* ASIN 标签区域 - 放在关键词下面 */
#trendAnalysisPage .card-asins {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin: 0 0 4px 0;
    min-height: 18px;
}

#trendAnalysisPage .card-asin {
    font-size: 9px;
    font-family: 'Monaco', 'Consolas', monospace;
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.08);
    padding: 2px 5px;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.15s ease;
    border: 1px solid transparent;
    user-select: none;
}

#trendAnalysisPage .card-asin:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.4);
}

#trendAnalysisPage .card-asin:active {
    background: rgba(59, 130, 246, 0.25);
    transform: scale(0.98);
}

/* 卡片操作按钮 */
#trendAnalysisPage .card-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 6px;
    opacity: 0;
    transition: opacity 0.2s;
}

#trendAnalysisPage .result-item-card:hover .card-actions {
    opacity: 1;
}

#trendAnalysisPage .btn-copy-small {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    border: 1px solid var(--trend-border);
    background: var(--trend-bg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all 0.2s;
}

#trendAnalysisPage .btn-copy-small:hover {
    border-color: var(--trend-accent);
    background: var(--trend-accent-light);
}

/* =====================================================
   旧版单列布局（保留兼容）
===================================================== */
#trendAnalysisPage .result-item {
    display: flex;
    gap: 16px;
    padding: 16px;
    border: 1px solid var(--trend-border);
    border-radius: 10px;
    transition: all 0.2s ease;
    background: var(--trend-bg);
}

#trendAnalysisPage .result-item:hover {
    border-color: var(--trend-accent);
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.12);
}

/* 排名徽章 - 绿色渐变 */
#trendAnalysisPage .item-rank {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--trend-accent) 0%, var(--trend-accent-dark) 100%);
    color: white;
    font-size: 16px;
    font-weight: 700;
    border-radius: 8px;
    flex-shrink: 0;
}

/* TOP3特殊样式 */
#trendAnalysisPage .result-item:nth-child(1) .item-rank {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

#trendAnalysisPage .result-item:nth-child(2) .item-rank {
    background: linear-gradient(135deg, #94a3b8 0%, #64748b 100%);
}

#trendAnalysisPage .result-item:nth-child(3) .item-rank {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
}

#trendAnalysisPage .item-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 0;
}

#trendAnalysisPage .item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

#trendAnalysisPage .item-keyword {
    font-size: 16px;
    font-weight: 600;
    color: var(--trend-text-strong);
    margin: 0;
    word-break: break-word;
}

/* 趋势类型徽章 */
#trendAnalysisPage .badge {
    padding: 2px 6px;
    border-radius: 8px;
    font-size: 9px;
    font-weight: 500;
    white-space: nowrap;
    flex-shrink: 0;
}

#trendAnalysisPage .badge-rocket {
    background: #fef3c7;
    color: #92400e;
}

#trendAnalysisPage .badge-explosive {
    background: #fee2e2;
    color: #991b1b;
}

#trendAnalysisPage .badge-steady {
    background: #dcfce7;
    color: #166534;
}

#trendAnalysisPage .badge-declining {
    background: #e5e7eb;
    color: #374151;
}

#trendAnalysisPage .badge-default {
    background: #f3f4f6;
    color: #6b7280;
}

/* 新词型徽章 */
#trendAnalysisPage .badge-inverted-u {
    background: #fef3c7;
    color: #92400e;
}

#trendAnalysisPage .badge-u-shape {
    background: #d1fae5;
    color: #065f46;
}

#trendAnalysisPage .badge-dual-peak {
    background: #e0e7ff;
    color: #3730a3;
}

#trendAnalysisPage .badge-insufficient {
    background: #f5f5f5;
    color: #9ca3af;
}

/* 产品类型徽章 */
#trendAnalysisPage .badge-stable {
    background: #dbeafe;
    color: #1e40af;
}

#trendAnalysisPage .badge-seasonal {
    background: #fef3c7;
    color: #92400e;
}

#trendAnalysisPage .badge-holiday {
    background: #fce7f3;
    color: #be185d;
}

#trendAnalysisPage .badge-spike {
    background: #fee2e2;
    color: #991b1b;
}

#trendAnalysisPage .badge-insufficient {
    background: #e5e7eb;
    color: #6b7280;
}

/* =====================================================
   数据指标区（带迷你趋势图）
===================================================== */
#trendAnalysisPage .item-stats {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

#trendAnalysisPage .stat-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 80px;
}

#trendAnalysisPage .stat-label {
    font-size: 11px;
    color: var(--trend-text);
}

#trendAnalysisPage .stat-value {
    font-size: 15px;
    font-weight: 600;
    color: var(--trend-text-strong);
}

#trendAnalysisPage .stat-value.positive {
    color: var(--trend-accent);
}

#trendAnalysisPage .stat-value.negative {
    color: #ef4444;
}

/* 迷你趋势图容器 */
#trendAnalysisPage .sparkline-container {
    width: 80px;
    height: 32px;
    flex-shrink: 0;
}

#trendAnalysisPage .sparkline-canvas {
    width: 100%;
    height: 100%;
}

/* 进度条可视化 */
#trendAnalysisPage .progress-bar {
    width: 60px;
    height: 6px;
    background: var(--trend-border);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 4px;
}

#trendAnalysisPage .progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--trend-accent) 0%, var(--trend-accent-dark) 100%);
    border-radius: 3px;
    transition: width 0.3s ease;
}

#trendAnalysisPage .progress-fill.orange {
    background: linear-gradient(90deg, var(--trend-orange) 0%, #f59e0b 100%);
}

/* 元数据行 */
#trendAnalysisPage .item-meta {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--trend-text);
    flex-wrap: wrap;
}

#trendAnalysisPage .item-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 操作按钮区 */
#trendAnalysisPage .item-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    opacity: 0;
    transition: opacity 0.2s;
}

#trendAnalysisPage .result-item:hover .item-actions {
    opacity: 1;
}

#trendAnalysisPage .btn-icon-small {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 1px solid var(--trend-border);
    background: var(--trend-bg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all 0.2s;
}

#trendAnalysisPage .btn-icon-small:hover {
    border-color: var(--trend-accent);
    background: var(--trend-accent-light);
}

/* =====================================================
   加载遮罩
===================================================== */
#trendAnalysisPage .loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

#trendAnalysisPage .loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: trend-spin 1s linear infinite;
    margin-bottom: 16px;
}

#trendAnalysisPage .loading-overlay p {
    color: white;
    font-size: 15px;
    font-weight: 500;
}

/* =====================================================
   模态框
===================================================== */
#trendAnalysisPage .modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

#trendAnalysisPage .modal-content {
    background: var(--trend-bg);
    padding: 24px;
    border-radius: 12px;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

#trendAnalysisPage .modal-content h3 {
    font-size: 18px;
    color: var(--trend-text-strong);
    margin: 0 0 16px 0;
}

#trendAnalysisPage .export-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 16px;
}

/* =====================================================
   响应式布局
===================================================== */
@media (max-width: 1400px) {
    #trendAnalysisPage .trend-stats-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1200px) {
    #trendAnalysisPage .trend-main-content {
        grid-template-columns: 220px 1fr;
    }
    
    #trendAnalysisPage .item-stats {
        gap: 16px;
    }
}

@media (max-width: 900px) {
    #trendAnalysisPage .trend-main-content {
        grid-template-columns: 1fr;
    }
    
    #trendAnalysisPage .trend-control-panel {
        position: static;
    }
    
    #trendAnalysisPage .trend-stats-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1600px) {
    #trendAnalysisPage .result-list {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 1200px) {
    #trendAnalysisPage .result-list {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    #trendAnalysisPage .result-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    #trendAnalysisPage .trend-stats-row {
        grid-template-columns: 1fr;
    }
    
    #trendAnalysisPage .result-list {
        grid-template-columns: 1fr;
    }
    
    #trendAnalysisPage .result-item-card {
        min-height: auto;
    }
    
    #trendAnalysisPage .card-actions {
        opacity: 1;
    }
    
    #trendAnalysisPage .item-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    #trendAnalysisPage .stat-item {
        flex-direction: row;
        align-items: center;
        gap: 8px;
        min-width: auto;
    }
    
    #trendAnalysisPage .result-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    #trendAnalysisPage .item-rank {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
    
    #trendAnalysisPage .item-actions {
        opacity: 1;
    }
}

/* =====================================================
   排序控件
===================================================== */
#trendAnalysisPage .sort-control {
    display: flex;
    align-items: center;
    gap: 4px;
}

#trendAnalysisPage .sort-control select {
    padding: 8px 12px;
    border: 1px solid var(--trend-border);
    border-radius: 6px;
    font-size: 13px;
    background: var(--trend-bg);
    color: var(--trend-text-strong);
    cursor: pointer;
    outline: none;
}

#trendAnalysisPage .sort-control select:focus {
    border-color: var(--trend-accent);
}

#trendAnalysisPage .btn-sort-order {
    width: 32px;
    height: 32px;
    border: 1px solid var(--trend-border);
    border-radius: 6px;
    background: var(--trend-bg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--trend-text-strong);
    transition: all 0.2s;
}

#trendAnalysisPage .btn-sort-order:hover {
    border-color: var(--trend-accent);
    background: var(--trend-accent-light);
}

/* =====================================================
   筛选条件胶囊
===================================================== */
#trendAnalysisPage .filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px 0;
    border-bottom: 1px solid var(--trend-border);
}

#trendAnalysisPage .filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--trend-accent-light);
    border: 1px solid var(--trend-accent);
    border-radius: 20px;
    font-size: 12px;
    color: var(--trend-accent-dark);
}

#trendAnalysisPage .filter-chip button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    color: var(--trend-accent-dark);
    padding: 0;
    line-height: 1;
}

#trendAnalysisPage .filter-chip button:hover {
    color: #ef4444;
}

/* =====================================================
   高级筛选面板 V2 - 分组卡片布局
===================================================== */
#trendAnalysisPage .filter-panel-v2 {
    background: var(--trend-surface);
    border: 1px solid var(--trend-border);
    border-radius: 12px;
    margin-bottom: 16px;
    padding: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

/* 筛选行 - 作为分组容器 */
#trendAnalysisPage .filter-row-v2 {
    display: flex;
    align-items: stretch;
    gap: 12px;
    margin-bottom: 12px;
}

#trendAnalysisPage .filter-row-v2:last-child {
    margin-bottom: 0;
}

/* 筛选分组卡片 */
#trendAnalysisPage .filter-group-v2 {
    background: var(--trend-bg);
    border: 1px solid var(--trend-border);
    border-radius: 8px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#trendAnalysisPage .filter-group-v2.flex-row {
    flex-direction: row;
    align-items: flex-end;
    flex-wrap: wrap;
}

/* 分组标题 */
#trendAnalysisPage .filter-group-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--trend-accent-dark);
    display: flex;
    align-items: center;
    gap: 6px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--trend-accent-light);
    margin-bottom: 2px;
}

/* 分组内的输入项容器 */
#trendAnalysisPage .filter-group-items {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: flex-end;
}

/* 筛选项 */
#trendAnalysisPage .filter-item-v2 {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    flex: 1;
}

#trendAnalysisPage .filter-item-v2.filter-item-wide {
    flex: 2;
    min-width: 180px;
}

#trendAnalysisPage .filter-item-v2.filter-item-narrow {
    flex: 0 0 auto;
    min-width: 80px;
}

#trendAnalysisPage .filter-item-v2.filter-item-check {
    flex: 0 0 auto;
    justify-content: flex-end;
}

#trendAnalysisPage .filter-item-v2 > label {
    font-size: 10px;
    font-weight: 500;
    color: var(--trend-text);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 输入框通用样式 */
#trendAnalysisPage .filter-item-v2 input[type="text"],
#trendAnalysisPage .filter-item-v2 input[type="number"],
#trendAnalysisPage .filter-item-v2 select {
    padding: 8px 10px;
    border: 1px solid var(--trend-border);
    border-radius: 6px;
    font-size: 13px;
    background: var(--trend-surface);
    color: var(--trend-text-strong);
    outline: none;
    width: 100%;
    min-width: 60px;
    transition: all 0.2s;
}

#trendAnalysisPage .filter-item-v2 input:focus,
#trendAnalysisPage .filter-item-v2 select:focus {
    border-color: var(--trend-accent);
    background: var(--trend-bg);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* 范围输入组 */
#trendAnalysisPage .filter-range {
    display: flex;
    align-items: center;
    gap: 6px;
}

#trendAnalysisPage .filter-range input,
#trendAnalysisPage .filter-range select {
    flex: 1;
    min-width: 55px;
}

#trendAnalysisPage .filter-range span {
    color: var(--trend-text);
    font-size: 12px;
    flex-shrink: 0;
}

/* 带后缀的输入 */
#trendAnalysisPage .filter-input-suffix {
    display: flex;
    align-items: center;
    gap: 4px;
}

#trendAnalysisPage .filter-input-suffix input {
    flex: 1;
}

#trendAnalysisPage .filter-input-suffix span {
    color: var(--trend-text);
    font-size: 12px;
    font-weight: 500;
}

/* 复选框样式 */
#trendAnalysisPage .filter-checkbox-v2 {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: var(--trend-surface);
    border: 1px solid var(--trend-border);
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    color: var(--trend-text-strong);
    white-space: nowrap;
    transition: all 0.2s;
}

#trendAnalysisPage .filter-checkbox-v2:hover {
    border-color: var(--trend-accent);
}

#trendAnalysisPage .filter-checkbox-v2:has(input:checked) {
    background: var(--trend-accent-light);
    border-color: var(--trend-accent);
    color: var(--trend-accent-dark);
}

#trendAnalysisPage .filter-checkbox-v2 input {
    width: 14px;
    height: 14px;
    margin: 0;
    accent-color: var(--trend-accent);
}

/* ===== 趋势类型区域 ===== */
#trendAnalysisPage .filter-row-tags {
    background: var(--trend-bg);
    border: 1px solid var(--trend-border);
    border-radius: 8px;
    padding: 12px;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
}

#trendAnalysisPage .filter-tags-v2 {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    flex-wrap: wrap;
}

#trendAnalysisPage .filter-tags-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--trend-accent-dark);
    white-space: nowrap;
    margin-right: 8px;
    padding-right: 12px;
    border-right: 2px solid var(--trend-accent-light);
}

#trendAnalysisPage .filter-tag-v2 {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 5px 10px;
    background: var(--trend-surface);
    border: 1px solid var(--trend-border);
    border-radius: 16px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}

#trendAnalysisPage .filter-tag-v2:hover {
    border-color: var(--trend-accent);
    background: var(--trend-accent-light);
}

#trendAnalysisPage .filter-tag-v2:has(input:checked) {
    background: var(--trend-accent);
    border-color: var(--trend-accent);
    color: white;
    font-weight: 500;
}

#trendAnalysisPage .filter-tag-v2 input {
    display: none;
}

#trendAnalysisPage .filter-tag-v2 span {
    line-height: 1;
}

/* 操作按钮 */
#trendAnalysisPage .filter-actions-v2 {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    margin-left: auto;
    padding-left: 16px;
    border-left: 1px solid var(--trend-border);
}

#trendAnalysisPage .btn-filter-clear {
    padding: 8px 14px;
    background: var(--trend-surface);
    border: 1px solid var(--trend-border);
    border-radius: 6px;
    font-size: 12px;
    color: var(--trend-text);
    cursor: pointer;
    transition: all 0.2s;
}

#trendAnalysisPage .btn-filter-clear:hover {
    border-color: #ef4444;
    color: #ef4444;
    background: #fef2f2;
}

#trendAnalysisPage .btn-filter-apply {
    padding: 8px 20px;
    background: linear-gradient(135deg, var(--trend-accent) 0%, var(--trend-accent-dark) 100%);
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    color: white;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

#trendAnalysisPage .btn-filter-apply:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
}

/* 响应式 - 筛选面板 */
@media (max-width: 1400px) {
    #trendAnalysisPage .filter-row-v2 {
        flex-wrap: wrap;
    }
    
    #trendAnalysisPage .filter-group-v2 {
        min-width: 280px;
        flex: 1;
    }
}

@media (max-width: 900px) {
    #trendAnalysisPage .filter-panel-v2 {
        padding: 12px;
    }
    
    #trendAnalysisPage .filter-group-v2 {
        min-width: 100%;
    }
    
    #trendAnalysisPage .filter-row-tags {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    
    #trendAnalysisPage .filter-tags-label {
        border-right: none;
        border-bottom: 2px solid var(--trend-accent-light);
        padding-bottom: 8px;
        margin-bottom: 4px;
    }
    
    #trendAnalysisPage .filter-actions-v2 {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        padding-top: 12px;
        border-top: 1px solid var(--trend-border);
        justify-content: flex-end;
    }
}

/* =====================================================
   分页控件
===================================================== */
#trendAnalysisPage .pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 20px 0;
    flex-wrap: wrap;
    border-top: 1px solid var(--trend-border);
    margin-top: 16px;
}

#trendAnalysisPage .pagination-btn {
    padding: 8px 12px;
    border: 1px solid var(--trend-border);
    border-radius: 6px;
    background: var(--trend-bg);
    cursor: pointer;
    font-size: 13px;
    color: var(--trend-text-strong);
    transition: all 0.2s;
}

#trendAnalysisPage .pagination-btn:hover:not(:disabled) {
    border-color: var(--trend-accent);
    background: var(--trend-accent-light);
}

#trendAnalysisPage .pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#trendAnalysisPage .page-numbers {
    display: flex;
    gap: 4px;
}

#trendAnalysisPage .page-btn {
    width: 32px;
    height: 32px;
    border: 1px solid var(--trend-border);
    border-radius: 6px;
    background: var(--trend-bg);
    cursor: pointer;
    font-size: 13px;
    color: var(--trend-text-strong);
    transition: all 0.2s;
}

#trendAnalysisPage .page-btn:hover {
    border-color: var(--trend-accent);
    background: var(--trend-accent-light);
}

#trendAnalysisPage .page-btn.active {
    background: var(--trend-accent);
    border-color: var(--trend-accent);
    color: white;
}

#trendAnalysisPage .pagination-info {
    font-size: 13px;
    color: var(--trend-text);
    padding: 0 8px;
}

#trendAnalysisPage .pagination-info strong {
    color: var(--trend-text-strong);
}

#trendAnalysisPage .pagination-jump {
    display: flex;
    align-items: center;
    gap: 4px;
}

#trendAnalysisPage .pagination-jump input {
    width: 60px;
    padding: 6px 10px;
    border: 1px solid var(--trend-border);
    border-radius: 6px;
    font-size: 13px;
    text-align: center;
    outline: none;
}

#trendAnalysisPage .pagination-jump input:focus {
    border-color: var(--trend-accent);
}

#trendAnalysisPage .btn-jump {
    padding: 6px 12px;
}

/* =====================================================
   无结果状态
===================================================== */
#trendAnalysisPage .no-results {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
}

#trendAnalysisPage .no-results-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

#trendAnalysisPage .no-results p {
    font-size: 15px;
    color: var(--trend-text);
    margin-bottom: 16px;
}

/* =====================================================
   响应式 - 结果头部
===================================================== */
@media (max-width: 900px) {
    #trendAnalysisPage .result-header {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    #trendAnalysisPage .result-header h2 {
        font-size: 16px;
    }
    
    #trendAnalysisPage .result-actions {
        margin-left: 0;
        flex-wrap: wrap;
    }
}

@media (max-width: 640px) {
    #trendAnalysisPage .pagination {
        flex-direction: column;
        gap: 12px;
    }
    
    #trendAnalysisPage .page-numbers {
        order: -1;
    }
}