/**
 * 移动端优化样式
 */

/* 平板端优化 (768px - 1200px) */
@media (max-width: 1200px) {
    .premium-hero-title {
        font-size: 48px;
    }
    
    .premium-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .premium-overview {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .premium-chart-layout {
        grid-template-columns: 1fr;
    }
    
    .premium-sidebar {
        position: static;
        max-height: 400px;
        overflow-y: auto;
    }
    
    .premium-metal-category-group {
        margin-bottom: 8px;
    }
}

/* 移动端优化 (<768px) */
@media (max-width: 768px) {
    /* Hero区域 */
    .premium-hero {
        padding: 40px 0 30px;
    }
    
    .premium-hero-title {
        font-size: 32px;
    }
    
    .premium-hero-subtitle {
        font-size: 16px;
        margin-bottom: 32px;
    }
    
    .premium-hero-badge {
        font-size: 11px;
        padding: 6px 16px;
    }
    
    /* Hero统计网格 */
    .premium-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .premium-stat-card {
        padding: 14px 12px;
    }
    
    .premium-stat-label {
        font-size: 10px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .premium-stat-value {
        font-size: 24px;
        word-break: break-all;
    }
    
    /* 特殊处理"系统状态"的文字 */
    .premium-stat-value:has(span) {
        font-size: 18px;
    }
    
    .premium-stat-change {
        font-size: 11px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    /* 4个数据卡片 - 2x2布局 */
    .premium-overview {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    /* 导航栏 */
    .premium-navbar-content {
        padding: 12px 16px;
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .premium-logo-text h1 {
        font-size: 16px;
    }
    
    .premium-logo-text p {
        display: none;
    }
    
    .premium-logo-icon {
        width: 32px;
        height: 32px;
        font-size: 18px;
    }
    
    /* 主内容区 */
    .premium-main {
        padding: 0 16px 40px;
    }
    
    /* 数据卡片 - 保持2x2 */
    .premium-card {
        padding: 16px;
    }
    
    .premium-card-title {
        font-size: 13px;
    }
    
    .premium-card-value {
        font-size: 24px;
    }
    
    .premium-card-icon {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }
    
    .premium-card-trend {
        font-size: 12px;
    }
    
    /* 移动端布局调整 */
    .premium-chart-layout {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    /* 移动端导航栏 */
    .premium-sidebar {
        padding: 0;
        background: transparent;
        border: none;
        position: static;
        order: 1; /* 放在K线上方 */
    }
    
    .premium-content {
        order: 2;
    }
    
    /* 折叠按钮 */
    .mobile-nav-toggle {
        display: block !important;
        width: 100%;
        padding: 16px 20px;
        background: rgba(255, 255, 255, 0.03);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 12px;
        color: #ffffff;
        font-size: 14px;
        font-weight: 600;
        cursor: pointer;
        text-align: left;
        margin-bottom: 12px;
        transition: all 0.3s ease;
    }
    
    .mobile-nav-toggle:active {
        background: rgba(255, 255, 255, 0.05);
    }
    
    .mobile-nav-toggle i.fa-chevron-down {
        color: #34d399;
        transition: transform 0.3s ease;
        float: right;
    }
    
    .mobile-nav-toggle.active i.fa-chevron-down {
        transform: rotate(180deg);
    }
    
    .mobile-nav-toggle span {
        display: block;
    }
    
    /* 桌面端导航头隐藏 */
    .premium-sidebar-header {
        display: none;
    }
    
    /* 导航列表样式 */
    .premium-metal-nav {
        max-height: 0;
        overflow: hidden;
        background: rgba(255, 255, 255, 0.03);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 12px;
        padding: 0;
        transition: max-height 0.4s ease, padding 0.4s ease;
        -webkit-overflow-scrolling: touch;
    }
    
    .premium-metal-nav.expanded {
        max-height: 400px;
        padding: 12px;
        overflow-y: auto;
        margin-bottom: 16px;
    }
    
    .premium-sidebar-title {
        font-size: 16px;
    }
    
    .premium-metal-nav-item {
        padding: 10px 12px;
    }
    
    .premium-metal-nav-name {
        font-size: 12px;
    }
    
    .premium-category-title {
        font-size: 10px;
        padding: 6px 10px;
    }
    
    /* 图表 */
    .premium-chart {
        padding: 20px;
        border-radius: 12px;
    }
    
    .premium-chart-title {
        font-size: 18px;
    }
    
    .premium-chart-title::before {
        font-size: 20px;
    }
    
    .premium-chart-wrapper {
        height: 300px;
    }
    
    .premium-chart-controls {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .premium-chart-btn {
        padding: 8px 14px;
        font-size: 12px;
        white-space: nowrap;
    }
    
    /* 统计信息 */
    .premium-stats-grid-info {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .premium-stat-item {
        padding: 12px;
    }
    
    .premium-stat-item-value {
        font-size: 18px;
    }
    
    /* 状态栏 */
    .premium-status-bar {
        padding: 12px;
        font-size: 12px;
    }
    
    .premium-status-text {
        font-size: 11px;
    }
    
    /* 迷你图表 */
    .premium-mini-chart {
        height: 40px;
        margin-top: 12px;
        padding: 6px;
    }
}

/* 超小屏幕 (<480px) */
@media (max-width: 480px) {
    .premium-hero-title {
        font-size: 24px;
    }
    
    .premium-hero-subtitle {
        font-size: 14px;
    }
    
    /* Hero统计仍然是2x2 */
    .premium-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .premium-stat-card {
        padding: 10px 8px;
    }
    
    .premium-stat-label {
        font-size: 9px;
    }
    
    .premium-stat-value {
        font-size: 20px;
    }
    
    /* "系统状态"卡片文字 */
    .premium-stat-value:has(span) {
        font-size: 16px;
    }
    
    .premium-stat-change {
        font-size: 10px;
    }
    
    /* 数据卡片2x2 */
    .premium-overview {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .premium-card {
        padding: 14px;
    }
    
    .premium-card-title {
        font-size: 11px;
    }
    
    .premium-card-value {
        font-size: 20px;
    }
    
    .premium-card-icon {
        width: 28px;
        height: 28px;
        font-size: 14px;
    }
    
    .premium-card-trend {
        font-size: 11px;
    }
    
    .premium-mini-chart {
        height: 35px;
        margin-top: 8px;
        padding: 4px;
    }
    
    .premium-chart-wrapper {
        height: 250px;
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    /* 增大点击区域 */
    .premium-metal-nav-item,
    .premium-chart-btn,
    .btn-premium {
        padding: 14px 16px;
        min-height: 44px;
    }
    
    /* 禁用hover效果 */
    .premium-card:hover::after,
    .premium-stat-card:hover::after {
        display: none;
    }
    
    /* 优化滚动 */
    .premium-sidebar {
        -webkit-overflow-scrolling: touch;
    }
}

/* 横屏模式 */
@media (max-width: 896px) and (orientation: landscape) {
    .premium-hero {
        padding: 30px 0 20px;
    }
    
    .premium-hero-title {
        font-size: 28px;
    }
    
    .premium-stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .premium-chart-wrapper {
        height: 250px;
    }
}

/* iPad Pro 适配 */
@media (min-width: 1024px) and (max-width: 1366px) {
    .premium-overview {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .premium-chart-layout {
        grid-template-columns: 240px 1fr;
    }
}

/* 打印样式 */
@media print {
    .particles-bg,
    .premium-navbar,
    .premium-sidebar,
    .premium-chart-controls,
    .btn-premium {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .premium-card,
    .premium-chart {
        border: 1px solid #ccc;
        box-shadow: none;
        page-break-inside: avoid;
    }
}