/* 响应式设计样式表 */

/* 大屏幕优化 */
@media screen and (min-width: 1600px) {
    :root {
        --spacing-lg: 2.5rem;
        --spacing-xl: 3.5rem;
        --spacing-xxl: 5rem;
    }
    
    .main-content {
        padding: var(--spacing-xxl);
    }
    
    .post-single .post-title {
        font-size: 3rem;
    }
}

/* 中等屏幕 */
@media screen and (max-width: 1200px) {
    .main-container {
        padding: var(--spacing-lg);
    }
    
    .main-content {
        padding: var(--spacing-xl);
    }
    
    .site-sidebar {
        min-width: 250px;
    }
}

/* 平板设备 */
@media screen and (max-width: 768px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-xxl: 2.5rem;
    }
    
    .main-container {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-lg);
    }
    
    .main-content {
        width: 100%;
        padding: var(--spacing-lg);
    }
    
    .site-sidebar {
        width: 100%;
        min-width: auto;
    }
    
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .site-navigation .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-md);
    }
    
    .post-title {
        font-size: 1.5rem;
    }
    
    .post-single .post-title {
        font-size: 2rem;
    }
    
    .post-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
    
    .post-nav {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .pagination {
        flex-wrap: wrap;
    }
    
    .page-navigator {
        flex-wrap: wrap;
    }
}

/* 手机设备 */
@media screen and (max-width: 480px) {
    :root {
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.25rem;
        --spacing-xl: 1.5rem;
        --spacing-xxl: 2rem;
    }
    
    .main-container {
        padding: var(--spacing-sm);
    }
    
    .main-content {
        padding: var(--spacing-md);
    }
    
    .site-header {
        padding: var(--spacing-md) 0;
    }
    
    .header-content {
        padding: 0 var(--spacing-md);
    }
    
    .post-single .post-title {
        font-size: 1.5rem;
    }
    
    .post-single .post-content {
        padding: var(--spacing-lg);
    }
    
    .post-meta {
        font-size: 0.8rem;
    }
    
    .comment-form .comment-fields {
        grid-template-columns: 1fr;
    }
    
    .comment-wrapper {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .comment-children {
        margin-left: var(--spacing-lg);
    }
    
    .widget {
        padding: var(--spacing-md);
    }
    
    .footer-content {
        padding: 0 var(--spacing-md);
    }
}

/* 小屏手机 */
@media screen and (max-width: 320px) {
    html {
        font-size: 14px;
    }
    
    .post-title {
        font-size: 1.3rem;
    }
    
    .site-navigation .nav-menu {
        font-size: 0.9rem;
    }
}

/* 高DPI屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .post-content img,
    .page-content img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    :root {
        --color-text-primary: #e9ecef;
        --color-text-secondary: #ced4da;
        --color-text-muted: #adb5bd;
        --color-bg-primary: #212529;
        --color-bg-secondary: #343a40;
        --color-border: #495057;
    }
    
    body {
        background: linear-gradient(135deg, #212529 0%, #343a40 100%);
    }
    
    .site-header,
    .site-footer {
        background: rgba(33, 37, 41, 0.95);
    }
    
    .widget,
    .post-item,
    .post-single,
    .page-single {
        background: var(--color-bg-primary);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 打印样式 */
@media print {
    .site-header,
    .site-sidebar,
    .site-footer,
    .comment-actions,
    .post-nav,
    .pagination {
        display: none !important;
    }
    
    .main-container {
        padding: 0;
    }
    
    .main-content {
        width: 100%;
        box-shadow: none;
        border-radius: 0;
    }
    
    body {
        background: white;
        color: black;
        font-size: 12pt;
        line-height: 1.5;
    }
    
    .post-title {
        font-size: 18pt;
        margin-bottom: 12pt;
    }
    
    .post-content {
        font-size: 11pt;
    }
    
    a {
        color: black;
        text-decoration: underline;
    }
}

/* 横屏优化 */
@media screen and (orientation: landscape) and (max-width: 768px) {
    .site-navigation .nav-menu {
        display: flex;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    
    .site-navigation .nav-menu::-webkit-scrollbar {
        display: none;
    }
}

/* 触控优化 */
@media (hover: none) and (pointer: coarse) {
    .post-footer .read-more,
    .comment-actions .submit,
    .page-navigator a {
        padding: 12px 16px;
        min-height: 44px;
    }
    
    .site-navigation .nav-menu a {
        padding: 12px 8px;
    }
}