/*
 * 华孚情报站 - 主样式文件
 * 企业级中后台风格，蓝色主色调
 */

/* CSS变量定义 */
:root {
    /* 主色调 - 蓝色系 */
    --primary-color: #1890ff;
    --primary-light: #40a9ff;
    --primary-dark: #096dd9;
    --primary-bg: #e6f7ff;
    
    /* 辅助色 */
    --success-color: #52c41a;
    --warning-color: #faad14;
    --danger-color: #f5222d;
    --info-color: #1890ff;
    
    /* 中性色 */
    --text-primary: #262626;
    --text-secondary: #8c8c8c;
    --text-disabled: #bfbfbf;
    --border-color: #d9d9d9;
    --bg-color: #f0f2f5;
    --bg-white: #ffffff;
    --bg-card: #ffffff;
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    
    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* 过渡 */
    --transition: all 0.3s ease;
    
    /* 头部高度 */
    --header-height: 64px;
    /* 底部高度 */
    --footer-height: 40px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    color: var(--text-primary);
    background-color: var(--bg-color);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* 头部导航 */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    padding: 0 var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: white;
    font-size: 20px;
    font-weight: 600;
}

.logo i {
    font-size: 28px;
}

.logo-text {
    letter-spacing: 1px;
}

.header-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.tab-navigation {
    display: flex;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.15);
    padding: 4px;
    border-radius: var(--radius-md);
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    background: transparent;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.tab-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.tab-btn.active {
    background: white;
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.tab-btn i {
    font-size: 16px;
}

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

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: white;
    font-size: 14px;
}

.user-info i {
    font-size: 20px;
}

.refresh-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.refresh-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(180deg);
}

.refresh-btn.spinning i {
    animation: spin 1s linear infinite;
}

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

/* 主内容区 */
.main-content {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

/* Tab面板 */
.tab-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

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

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

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--primary-color);
}

.panel-header h2 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.panel-header h2 i {
    color: var(--primary-color);
}

.time-select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: white;
    font-size: 14px;
    color: var(--text-primary);
    cursor: pointer;
    outline: none;
    transition: var(--transition);
}

.time-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-bg);
}

/* 仪表盘网格 */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.dashboard-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
}

.dashboard-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.dashboard-card.wide {
    grid-column: span 2;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(to right, var(--primary-bg), transparent);
    border-bottom: 1px solid var(--border-color);
}

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: var(--spacing-lg);
    min-height: 300px;
}

/* 图表容器 */
.chart-container {
    width: 100%;
    height: 300px;
}

/* 统计卡片 */
.stat-cards {
    grid-column: span 2;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    font-size: 24px;
}

.stat-icon.cotton {
    background: linear-gradient(135deg, #95de64, #73d13d);
    color: white;
}

.stat-icon.polyester {
    background: linear-gradient(135deg, #69c0ff, #40a9ff);
    color: white;
}

.stat-icon.yarn {
    background: linear-gradient(135deg, #ffec3d, #fadb14);
    color: white;
}

.stat-icon.freight {
    background: linear-gradient(135deg, #ff9c6e, #ff7a45);
    color: white;
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-change {
    font-size: 12px;
    font-weight: 500;
    margin-top: 4px;
}

.stat-change.positive {
    color: var(--success-color);
}

.stat-change.negative {
    color: var(--danger-color);
}

.stat-change.neutral {
    color: var(--text-secondary);
}

/* 表格容器 */
.table-container {
    width: 100%;
    overflow-x: auto;
}

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

.data-table th,
.data-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--primary-bg);
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.data-table tbody tr:hover {
    background: var(--primary-bg);
}

.data-table .positive {
    color: var(--success-color);
}

.data-table .negative {
    color: var(--danger-color);
}

/* 色卡容器 */
.swatches-container {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-sm);
}

.swatch-item {
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.swatch-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.swatch-item::after {
    content: attr(data-name);
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 4px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    font-size: 10px;
    text-align: center;
    transform: translateY(100%);
    transition: var(--transition);
}

.swatch-item:hover::after {
    transform: translateY(0);
}

/* 事件列表 */
.event-list {
    max-height: 400px;
    overflow-y: auto;
}

.event-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.event-item:hover {
    background: var(--primary-bg);
}

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

.event-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    padding: var(--spacing-sm);
    background: var(--primary-bg);
    border-radius: var(--radius-sm);
    text-align: center;
}

.event-date .month {
    font-size: 12px;
    color: var(--primary-color);
    font-weight: 600;
}

.event-date .day {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.event-content {
    flex: 1;
}

.event-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.event-desc {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.event-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 500;
    margin-top: var(--spacing-xs);
}

.event-tag.policy {
    background: #fff7e6;
    color: #fa8c16;
}

.event-tag.exhibition {
    background: #e6f7ff;
    color: #1890ff;
}

.event-tag.enterprise {
    background: #f6ffed;
    color: #52c41a;
}

.event-tag.market {
    background: #fff0f6;
    color: #eb2f96;
}

/* 底部 */
.footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--footer-height);
    padding: 0 var(--spacing-lg);
    background: white;
    border-top: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-secondary);
}

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

.divider {
    color: var(--border-color);
}

/* 加载遮罩 */
.loading-overlay {
    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: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    color: white;
}

.loading-spinner i {
    font-size: 48px;
    animation: spin 1s linear infinite;
}

.loading-spinner p {
    font-size: 16px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .stat-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header {
        flex-wrap: wrap;
        height: auto;
        padding: var(--spacing-md);
    }
    
    .header-center {
        order: 3;
        width: 100%;
        margin-top: var(--spacing-md);
    }
    
    .tab-navigation {
        width: 100%;
        overflow-x: auto;
    }
    
    .tab-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 12px;
    }
    
    .tab-btn span {
        display: none;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-card.wide,
    .stat-cards {
        grid-column: span 1;
    }
    
    .stat-cards {
        grid-template-columns: 1fr;
    }
    
    .swatches-container {
        grid-template-columns: repeat(4, 1fr);
    }
}

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

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

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

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