/* ============================================================
   图表画廊专用样式
   依赖 base.css 中的 CSS 变量（--spacing-*, --radius-*, --text-*, 等）
   ============================================================ */

/* ---------- 整体布局 ---------- */
.cg-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: calc(100vh - 120px);
    gap: 0;
}

/* ---------- 侧边栏 ---------- */
.cg-sidebar {
    border-right: 1px solid var(--border-color, #e5e7eb);
    background: var(--bg-secondary, #f9fafb);
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.cg-sidebar-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

/* 搜索框 */
.cg-search-wrap {
    position: relative;
    padding: 12px 14px 10px;
    flex-shrink: 0;
    border-bottom: 1px solid var(--border-color, #e5e7eb);
}

.cg-search-icon {
    position: absolute;
    left: 24px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted, #9ca3af);
    font-size: 0.9rem;
    pointer-events: none;
}

.cg-search-input {
    width: 100%;
    padding: 6px 10px 6px 30px;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: var(--radius-sm, 6px);
    font-size: 0.85rem;
    background: var(--bg-primary, #fff);
    color: var(--text-primary, #111827);
    outline: none;
    transition: border-color 0.15s;
    box-sizing: border-box;
}

.cg-search-input:focus {
    border-color: var(--primary, #6366f1);
}

/* 分类导航 */
.cg-nav {
    overflow-y: auto;
    flex: 1;
    padding: 6px 0 16px;
}

.cg-cat-group {
    margin-bottom: 2px;
}

.cg-cat-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 7px 14px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary, #6b7280);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
}

.cg-cat-title:hover {
    color: var(--text-primary, #111827);
}

.cg-cat-arrow {
    transition: transform 0.2s;
    font-size: 1rem;
}

.cg-cat-group.collapsed .cg-cat-arrow {
    transform: rotate(-90deg);
}

.cg-cat-list {
    list-style: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    max-height: 9999px;
    transition: max-height 0.25s ease;
}

.cg-cat-group.collapsed .cg-cat-list {
    max-height: 0;
}

.cg-cat-list li {
    padding: 0;
}

.cg-chart-btn {
    display: block;
    width: 100%;
    padding: 7px 14px 7px 22px;
    font-size: 0.855rem;
    color: var(--text-secondary, #6b7280);
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    border-radius: 0;
    transition: background 0.12s, color 0.12s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cg-chart-btn:hover {
    background: var(--bg-hover, #f3f4f6);
    color: var(--text-primary, #111827);
}

.cg-chart-btn.active {
    background: linear-gradient(90deg, #ede9fe 0%, #f5f3ff 100%);
    color: var(--primary, #6366f1);
    font-weight: 600;
    border-right: 3px solid var(--primary, #6366f1);
}

.cg-chart-btn.hidden {
    display: none;
}

/* ---------- 主内容区 ---------- */
.cg-main {
    padding: 24px 28px 40px;
    min-width: 0;
}

/* 加载中 */
.cg-loading {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted, #9ca3af);
    font-size: 0.9rem;
    padding: 40px 0;
}

.cg-spin {
    animation: cg-spin 0.8s linear infinite;
    display: inline-block;
}

@keyframes cg-spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* 空状态 */
.cg-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 320px;
    color: var(--text-muted, #9ca3af);
    gap: 12px;
}

.cg-empty i {
    font-size: 3rem;
}

/* 面板头 */
.cg-panel-header {
    margin-bottom: 20px;
}

.cg-panel-title-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.cg-category-badge {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 20px;
    background: var(--bg-hover, #ede9fe);
    color: var(--primary, #6366f1);
    flex-shrink: 0;
}

.cg-panel-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary, #111827);
    margin: 0;
}

.cg-panel-desc {
    font-size: 0.88rem;
    color: var(--text-muted, #6b7280);
    margin: 0;
    line-height: 1.6;
}

/* ---------- 表格 + 图表 左右布局 ---------- */
.cg-body {
    display: grid;
    grid-template-columns: 1fr minmax(260px, 38%);
    gap: 20px;
    align-items: stretch;
}

.cg-chart-col { order: 1; }
.cg-table-col { order: 2; }

.cg-table-col,
.cg-chart-col {
    background: var(--bg-primary, #fff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: var(--radius-md, 10px);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* 小标题行 */
.cg-table-header,
.cg-chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-color, #e5e7eb);
    background: var(--bg-secondary, #f9fafb);
    gap: 8px;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.cg-table-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary, #6b7280);
    display: flex;
    align-items: center;
    gap: 5px;
}

/* 操作按钮区 */
.cg-table-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.cg-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 12px;
    border-radius: var(--radius-sm, 6px);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.15s;
    white-space: nowrap;
}

.cg-btn-outline {
    border-color: var(--border-color, #d1d5db);
    background: var(--bg-primary, #fff);
    color: var(--text-secondary, #6b7280);
}

.cg-btn-outline:hover {
    border-color: var(--primary, #6366f1);
    color: var(--primary, #6366f1);
}

.cg-btn-primary {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    border: none;
}

.cg-btn-primary:hover {
    opacity: 0.88;
}

.cg-btn-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    border: none;
}

.cg-btn-success:hover {
    opacity: 0.88;
}

.cg-btn-danger {
    background: none;
    border-color: #ef4444;
    color: #ef4444;
}

.cg-btn-danger:hover {
    background: #fef2f2;
}

/* 表格 */
.cg-table-wrap {
    overflow-y: auto;
    flex: 1;
    min-height: 80px;
}

.cg-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.84rem;
}

.cg-table th {
    background: var(--bg-secondary, #f9fafb);
    color: var(--text-secondary, #6b7280);
    font-weight: 600;
    padding: 8px 12px;
    text-align: left;
    white-space: nowrap;
    border-bottom: 1px solid var(--border-color, #e5e7eb);
    position: sticky;
    top: 0;
    z-index: 1;
}

.cg-table td {
    padding: 7px 12px;
    border-bottom: 1px solid var(--border-color-light, #f3f4f6);
    color: var(--text-primary, #111827);
    vertical-align: middle;
}

.cg-table tr:last-child td {
    border-bottom: none;
}

.cg-table tr:hover td {
    background: var(--bg-secondary, #f9fafb);
}

/* 编辑模式下的单元格 */
.cg-table td[contenteditable="true"] {
    outline: none;
    background: #fefce8;
    border: 1px solid #fbbf24;
    border-radius: 3px;
    padding: 5px 10px;
    cursor: text;
}

.cg-table td[contenteditable="true"]:focus {
    background: #fffbeb;
    border-color: #f59e0b;
    box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.15);
}

/* 权限提示 */
.cg-permission-hint {
    padding: 10px 14px;
    font-size: 0.82rem;
    color: var(--text-secondary, #374151);
    border-top: 2px solid var(--primary, #6366f1);
    flex-shrink: 0;
    background: #eef2ff;
    display: flex;
    align-items: center;
    gap: 8px;
    line-height: 1.5;
}

/* 上传区域 */
.cg-upload-area {
    padding: 10px 14px;
    border-top: 1px solid var(--border-color, #e5e7eb);
}

.cg-upload-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

#cg-file-input {
    display: none;
}

/* ECharts 图表容器 */
.cg-chart-container {
    width: 100%;
    min-height: 420px;
    flex: 1;
}

/* ---------- 示例说明通栏 ---------- */
.cg-example-note {
    margin-top: 16px;
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-left: 3px solid #f59e0b;
    border-radius: var(--radius-md, 10px);
    padding: 14px 18px 16px;
}

.cg-example-note-title {
    font-size: 0.78rem;
    font-weight: 600;
    color: #92400e;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.cg-example-note-title i {
    font-size: 0.92rem;
}

.cg-example-note-text {
    font-size: 0.855rem;
    color: #78350f;
    line-height: 1.75;
    margin: 0;
}

/* ---------- 适用场景通栏 ---------- */
.cg-use-cases {
    margin-top: 16px;
    background: var(--bg-primary, #fff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-left: 3px solid var(--primary, #6366f1);
    border-radius: var(--radius-md, 10px);
    padding: 14px 18px 16px;
}

.cg-use-cases-title {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary, #6b7280);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.cg-use-cases-title i {
    color: var(--primary, #6366f1);
    font-size: 0.92rem;
}

.cg-use-cases-text {
    font-size: 0.855rem;
    color: var(--text-primary, #374151);
    line-height: 1.75;
    margin: 0;
}

/* ---------- 导出控件 ---------- */
.cg-export-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cg-ratio-group {
    display: flex;
    border: 1px solid var(--border-color, #d1d5db);
    border-radius: var(--radius-sm, 6px);
    overflow: hidden;
}

.cg-ratio-btn {
    padding: 4px 9px;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--bg-primary, #fff);
    color: var(--text-secondary, #6b7280);
    border: none;
    border-right: 1px solid var(--border-color, #d1d5db);
    cursor: pointer;
    transition: background 0.12s, color 0.12s;
    line-height: 1.4;
}

.cg-ratio-btn:last-child {
    border-right: none;
}

.cg-ratio-btn.active {
    background: var(--primary, #6366f1);
    color: #fff;
}

/* ---------- 移动端工具栏（默认隐藏） ---------- */
.cg-mobile-bar {
    display: none;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.cg-menu-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    border: 1px solid var(--border-color, #d1d5db);
    border-radius: var(--radius-sm, 6px);
    font-size: 0.85rem;
    cursor: pointer;
    background: var(--bg-primary, #fff);
    color: var(--text-secondary, #6b7280);
}

.cg-mobile-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary, #111827);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 遮罩层 */
.cg-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 199;
}

/* ---------- 响应式 ---------- */
@media (max-width: 780px) {
    .cg-layout {
        grid-template-columns: 1fr;
    }

    .cg-sidebar {
        position: fixed;
        left: -260px;
        top: 0;
        width: 240px;
        height: 100vh;
        z-index: 200;
        transition: left 0.25s ease;
        box-shadow: none;
    }

    .cg-sidebar.open {
        left: 0;
        box-shadow: 4px 0 24px rgba(0,0,0,0.12);
    }

    .cg-overlay.visible {
        display: block;
    }

    .cg-mobile-bar {
        display: flex;
    }

    .cg-body {
        grid-template-columns: 1fr;
    }

    .cg-main {
        padding: 16px;
    }
}