/**
 * 移动端响应式样式
 * 响应式布局、移动端导航
 */

/* 移动端头部 */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    z-index: 1001;
    padding: 0 16px;
    align-items: center;
    justify-content: space-between;
}

.mobile-header .mobile-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
}

.mobile-menu-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 移动端头部右侧按钮组 */
.mobile-header-right {
    display: flex;
    align-items: center;
    gap: 4px;
}

.mobile-toc-btn,
.mobile-theme-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 移动端遮罩 */
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.mobile-overlay.show {
    display: block;
}

/* 响应式布局 - 平板 */
@media (max-width: 1024px) {
    .toc-sidebar {
        width: 200px;
    }

    .toc-sidebar.collapsed {
        width: 0;
        padding: 0;
        border: none;
    }
}

/* 响应式布局 - 移动端 */
@media (max-width: 768px) {
    /* 显示移动端头部 */
    .mobile-header {
        display: flex;
    }

    /* 主容器调整 */
    .container {
        padding-top: 56px;
    }

    /* 左侧边栏 - 移动端抽屉 */
    .sidebar {
        position: fixed;
        top: 56px;
        left: -280px;
        width: 280px;
        height: calc(100vh - 56px);
        z-index: 1000;
        transition: left 0.3s ease;
        border-right: 1px solid var(--border-color);
    }

    .sidebar.mobile-open {
        left: 0;
    }

    .sidebar.collapsed {
        left: -280px;
        width: 280px;
    }

    /* 隐藏桌面端收缩按钮 */
    .sidebar-toggle {
        display: none;
    }

    /* 内容区全宽 */
    .main-content {
        margin-left: 0;
        margin-right: 0;
        padding: 20px 16px;
    }

    /* 右侧TOC - 由 toc.css 统一处理移动端样式 */
    .toc-toggle {
        display: none;
    }

    /* 主题按钮调整 */
    .theme-toggle-btn {
        bottom: 16px;
        left: 16px;
        width: 44px;
        height: 44px;
    }

    /* 主题面板调整 */
    .theme-panel {
        left: 16px;
        right: 16px;
        width: auto;
        bottom: 70px;
    }

    /* 文章内容调整 */
    .article-content h1 {
        font-size: 1.75rem;
    }

    .article-content h2 {
        font-size: 1.5rem;
    }

    .article-content h3 {
        font-size: 1.25rem;
    }

    /* 代码块调整 */
    .article-content pre {
        border-radius: 8px;
        margin: 1rem -16px;
        border-radius: 0;
    }

    .code-wrapper {
        border-radius: 0;
        margin: 1rem -16px;
    }

    /* 表格响应式 */
    .article-content table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}

/* 响应式布局 - 小屏手机 */
@media (max-width: 480px) {
    .mobile-header {
        padding: 0 12px;
    }

    .main-content {
        padding: 16px 12px;
    }

    .article-content h1 {
        font-size: 1.5rem;
    }

    .article-content h2 {
        font-size: 1.3rem;
    }

    .theme-panel {
        left: 12px;
        right: 12px;
    }

    .theme-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .color-inputs {
        grid-template-columns: 1fr;
    }
}

/* 打印样式 */
@media print {
    .sidebar,
    .toc-sidebar,
    .mobile-header,
    .theme-toggle-btn,
    .theme-panel,
    .sidebar-toggle,
    .toc-toggle {
        display: none !important;
    }

    .main-content {
        margin: 0;
        padding: 0;
    }

    .article-content {
        max-width: 100%;
    }
}