/* 响应式设计样式 */

/* 通用导航栏基础样式 - 确保在所有屏幕尺寸下基本布局稳定 */
.navbar .container {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    flex-wrap: nowrap !important;
}

.nav-logo {
    flex-shrink: 0 !important;
    order: 1 !important;
}

.nav-brand {
    flex: 1 !important;
    order: 2 !important;
    display: flex !important;
    justify-content: center !important;
    min-width: 0 !important;
}

.nav-language {
    flex-shrink: 0 !important;
    order: 3 !important;
}

/* 大屏幕桌面端 (1400px+) */
@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
    }
    
    .tools-grid {
        grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    }
    
    .charts-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 标准桌面端 (1200px - 1399px) */
@media (max-width: 1399px) and (min-width: 1200px) {
    .tools-grid {
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    }
}

/* 小桌面端/大平板端 (992px - 1199px) */
@media (max-width: 1199px) and (min-width: 992px) {
    .main-content .container {
        grid-template-columns: 250px 1fr;
        gap: var(--spacing-xl);
        max-width: 1400px;
        margin: 0 auto;
        padding: 0 var(--spacing-lg);
    }
    
    .filters-section {
        padding: var(--spacing-md);
    }
    
    .search-container input {
        width: 250px;
    }
    
    .tools-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    }
    
    .stats-header {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }
    
    .stats-header h2 {
        font-size: var(--font-2xl);
    }
}

/* 平板端 (768px - 991px) */
@media (max-width: 991px) {
    .navbar .container {
        padding: var(--spacing-md);
    }
    
    .nav-brand h1 {
        font-size: var(--font-xl);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .logo-icon {
        width: 42px;
        height: 42px;
    }
    
    .nav-language .language-toggle-btn {
        width: 36px;
        height: 36px;
    }
    
    .nav-language .language-toggle-btn svg {
        width: 18px;
        height: 18px;
    }
    
    .nav-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    .search-container {
        flex: 1;
        max-width: 300px;
    }
    
    .search-container input {
        width: 100%;
    }
    
    .main-content .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 var(--spacing-md);
    }
    
    .filters-section {
        position: static;
        margin-bottom: var(--spacing-lg);
    }
    
    .filter-options {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }
    
    
    .tools-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: var(--spacing-md);
    }
    
    .stats-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .stats-info {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .view-toggles {
        align-self: flex-end;
    }
    
    .tool-card {
        padding: var(--spacing-md);
    }
    
    .charts-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .modal-content {
        width: 95%;
        margin: 2% auto;
        max-height: 90vh;
    }
}

/* 大手机端 (576px - 767px) */
@media (max-width: 767px) {
    :root {
        --spacing-2xl: 32px;
        --spacing-xl: 24px;
        --spacing-lg: 16px;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .navbar .container {
        padding: var(--spacing-sm);
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    /* 确保网站图标在左边缘 */
    .nav-logo {
        order: 1;
        flex-shrink: 0;
    }
    
    .logo-icon {
        width: 38px;
        height: 38px;
    }
    
    /* 标题居中，在小屏幕下可以缩小 */
    .nav-brand {
        order: 2;
        flex: 1;
        display: flex;
        justify-content: center;
        min-width: 0;
        padding: 0 var(--spacing-sm);
    }
    
    .nav-brand h1 {
        font-size: var(--font-xl);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
    }
    
    /* 确保语言切换按钮在右边缘 */
    .nav-language {
        order: 3;
        flex-shrink: 0;
    }
    
    .nav-language .language-toggle-btn {
        width: 36px;
        height: 36px;
    }
    
    .nav-language .language-toggle-btn svg {
        width: 18px;
        height: 18px;
    }
    
    .nav-subtitle {
        font-size: var(--font-xs);
    }
    
    .nav-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .search-container {
        max-width: 100%;
    }
    
    .search-container input {
        font-size: var(--font-sm);
        padding: var(--spacing-sm);
    }
    
    .comparison-btn {
        font-size: var(--font-sm);
        padding: var(--spacing-sm);
    }
    
    .main-content {
        padding: var(--spacing-lg) 0;
    }
    
    .filters-section {
        padding: var(--spacing-sm);
        border-radius: var(--radius-md);
    }
    
    .filters-section h2 {
        font-size: var(--font-lg);
        margin-bottom: var(--spacing-md);
    }
    
    .filter-group {
        margin-bottom: var(--spacing-md);
    }
    
    .filter-options {
        gap: var(--spacing-sm);
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .stats-header h2 {
        font-size: var(--font-xl);
    }
    
    .tool-card {
        padding: var(--spacing-sm);
    }
    
    .tool-name {
        font-size: var(--font-lg);
    }
    
    .tool-actions {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .tools-table {
        font-size: var(--font-sm);
    }
    
    .tools-table th,
    .tools-table td {
        padding: var(--spacing-sm);
    }
    
    .modal-content {
        width: 98%;
        margin: 1% auto;
        max-height: 95vh;
    }
    
    .modal-header {
        padding: var(--spacing-md);
    }
    
    .modal-header h3 {
        font-size: var(--font-xl);
    }
    
    .modal-body {
        padding: var(--spacing-md);
    }
    
    .comparison-table {
        font-size: var(--font-sm);
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: var(--spacing-sm);
    }
    
    .visualization-section {
        padding: var(--spacing-lg) 0;
    }
    
    .visualization-section h2 {
        font-size: var(--font-2xl);
        margin-bottom: var(--spacing-lg);
    }
    
    .chart-item {
        padding: var(--spacing-md);
    }
    
    .footer {
        padding: var(--spacing-lg) 0 var(--spacing-md);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .footer-section h4 {
        font-size: var(--font-base);
    }
}

/* 小手机端 (最大575px) */
@media (max-width: 575px) {
    :root {
        --font-3xl: 24px;
        --font-2xl: 20px;
        --font-xl: 18px;
        --font-lg: 16px;
        --font-base: 14px;
        --font-sm: 12px;
        --font-xs: 11px;
    }
    
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    /* 小屏幕导航栏布局 */
    .navbar .container {
        padding: var(--spacing-xs) var(--spacing-sm);
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: var(--spacing-xs);
    }
    
    /* 确保网站图标在左边缘 */
    .nav-logo {
        order: 1;
        flex-shrink: 0;
    }
    
    .logo-icon {
        width: 34px;
        height: 34px;
    }
    
    /* 标题居中，在小屏幕下可以缩小或隐藏部分文字 */
    .nav-brand {
        order: 2;
        flex: 1;
        display: flex;
        justify-content: center;
        min-width: 0;
        padding: 0 var(--spacing-xs);
    }
    
    .nav-brand h1 {
        font-size: var(--font-lg);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
    }
    
    /* 确保语言切换按钮在右边缘 */
    .nav-language {
        order: 3;
        flex-shrink: 0;
    }
    
    .nav-language .language-toggle-btn {
        width: 32px;
        height: 32px;
    }
    
    .nav-language .language-toggle-btn svg {
        width: 16px;
        height: 16px;
    }
    
    .nav-subtitle {
        display: none;
    }
    
    /* 极小屏幕下的特殊处理 */
    @media (max-width: 400px) {
        .nav-brand h1 {
            font-size: var(--font-base);
        }
        
        .logo-icon {
            width: 30px;
            height: 30px;
        }
        
        .nav-language .language-toggle-btn {
            width: 28px;
            height: 28px;
        }
        
        .nav-language .language-toggle-btn svg {
            width: 14px;
            height: 14px;
        }
        
        .navbar .container {
            padding: var(--spacing-xs);
            gap: var(--spacing-xs);
        }
    }
    
    .search-container input {
        width: 200px;
    }
    
    .stats-header {
        text-align: center;
    }
    
    .stats-info {
        align-items: center;
    }
    
    .view-toggles {
        align-self: center;
    }
    
    .tool-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
    
    .info-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
        text-align: left;
    }
    
    .info-value {
        text-align: left;
    }
    
    .popular-badge {
        position: static;
        margin-top: var(--spacing-xs);
    }
    
    .tools-table {
        overflow-x: scroll;
        -webkit-overflow-scrolling: touch;
    }
    
    .tools-table table {
        min-width: 600px;
    }
    
    .modal-header h3 {
        font-size: var(--font-lg);
    }
    
    .close-btn {
        font-size: var(--font-2xl);
    }
    
    .comparison-table {
        font-size: var(--font-xs);
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: var(--spacing-xs);
    }
    
    .chart-item h3 {
        font-size: var(--font-sm);
    }
    
    .footer-section {
        text-align: center;
    }
}

/* 横屏手机和小平板 */
@media (max-height: 500px) and (orientation: landscape) {
    .navbar {
        position: relative;
    }
    
    .main-content {
        padding: var(--spacing-md) 0;
    }
    
    .filters-section {
        position: static;
    }
    
    .modal-content {
        max-height: 90vh;
        margin: 2% auto;
    }
    
    .visualization-section {
        padding: var(--spacing-md) 0;
    }
}

/* 高分辨率屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .tool-card {
        border-width: 0.5px;
    }
    
    .tools-table th,
    .tools-table td {
        border-width: 0.5px;
    }
}

/* 触摸设备优化 */
@media (hover: none) {
    .tool-card:hover {
        transform: none;
    }
    
    .select-btn:hover,
    .comparison-btn:hover,
    .view-btn:hover,
    .reset-btn:hover {
        transform: none;
    }
    
    /* 增大触控区域 */
    .select-btn,
    .comparison-btn,
    .view-btn,
    .reset-btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .close-btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .filter-options label {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
}

/* 减少动画的偏好设置 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .tool-card:hover {
        transform: none;
    }
    
    .modal {
        animation: none;
    }
    
    .modal-content {
        animation: none;
    }
}

/* 深色主题支持 */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-white: #1a1a1a;
        --bg-light: #2d2d2d;
        --bg-card: #2d2d2d;
        --text-primary: #ffffff;
        --text-secondary: #cccccc;
        --text-muted: #999999;
        --border-light: #404040;
        --border-medium: #505050;
        --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
    }
    
    .navbar {
        background-color: var(--bg-card);
        border-bottom-color: var(--border-light);
    }
    
    .filters-section {
        background-color: var(--bg-light);
    }
    
    .tool-card {
        background-color: var(--bg-card);
        border-color: var(--border-light);
    }
    
    .modal-content {
        background-color: var(--bg-card);
    }
    
    .tools-table {
        background-color: var(--bg-card);
    }
    
    .visualization-section {
        background-color: var(--bg-light);
    }
    
    .chart-item {
        background-color: var(--bg-card);
    }
}

/* 打印样式 */
@media print {
    .navbar,
    .filters-section,
    .view-toggles,
    .tool-actions,
    .comparison-btn,
    .modal,
    .footer {
        display: none !important;
    }
    
    .main-content {
        padding: 0;
    }
    
    .main-content .container {
        grid-template-columns: 1fr;
        max-width: 100%;
        margin: 0;
        padding: 0;
    }
    
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .tool-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #000;
        margin-bottom: 10px;
    }
    
    .visualization-section {
        page-break-before: always;
    }
    
    body {
        font-size: 12px;
        line-height: 1.4;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
}