/**
 * Claude Code 使用教程 - 样式文件
 * 参考网站: https://cc.yoouu.cn/
 * @author XuZCen
 */

/* ==================== CSS 变量定义 ==================== */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --bg-color: #f8fafc;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --card-bg: #ffffff;
    --code-bg: #1e293b;
    --sidebar-width: 260px;
    --header-height: 60px;
    --transition: all 0.3s ease;
}

/* ==================== 全局样式 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-color);
    font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

h3 {
    font-size: 1.5rem;
    margin-top: 1.5rem;
}

h4 {
    font-size: 1.25rem;
    margin-top: 1rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-hover);
}

code {
    background-color: #f1f5f9;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: "Consolas", "Monaco", "Courier New", monospace;
    font-size: 0.9em;
    color: #e11d48;
}

ul, ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

li {
    margin-bottom: 0.5rem;
}

/* ==================== 容器布局 ==================== */
.container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem;
}

/* ==================== 侧边栏导航 ==================== */
.sidebar {
    width: 220px;
    background-color: var(--card-bg);
    padding: 1.5rem 0;
    position: sticky;
    top: 50%;
    transform: translateY(-50%);
    height: fit-content;
    max-height: calc(100vh - 4rem);
    overflow-y: auto;
    flex-shrink: 0;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
}

.sidebar-title {
    font-size: 1.25rem;
    font-weight: 600;
    padding: 0 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sidebar-title i {
    color: var(--primary-color);
}

.nav-link {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-secondary);
    transition: var(--transition);
    border-left: 3px solid transparent;
    font-size: 0.95rem;
}

.nav-link:hover {
    background-color: var(--bg-color);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}

.nav-link.active {
    background-color: #eff6ff;
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    font-weight: 500;
}

/* ==================== 主内容区 ==================== */
.main-content {
    flex: 1;
    padding: 0;
    max-width: 1100px;
}

/* ==================== 头部区域 ==================== */
.header-section {
    margin-bottom: 3rem;
}

.version-tag {
    display: inline-block;
    background-color: #eff6ff;
    color: var(--primary-color);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* ==================== 功能区块 ==================== */
.features-section {
    margin-bottom: 3rem;
}

/* ==================== 画廊网格布局 ==================== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.gallery-card {
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.gallery-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.gallery-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.gallery-header h4 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.gallery-image-container {
    position: relative;
    width: 100%;
    padding-top: 100%;
    overflow: hidden;
    background-color: var(--bg-color);
}

.gallery-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    cursor: pointer;
    transition: var(--transition);
}

.gallery-image:hover {
    transform: scale(1.05);
}

.gallery-footer {
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: auto;
}

.after-sales-text {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    text-align: center;
}

/* ==================== 特性列表网格 ==================== */
.feature-list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.feature-item {
    background: var(--card-bg);
    padding: 1rem 1.25rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    font-size: 0.95rem;
    transition: var(--transition);
}

.feature-item:hover {
    border-color: var(--primary-color);
    background-color: #eff6ff;
}

/* ==================== 特性列表 ==================== */
.feature-list {
    list-style: none;
    margin-left: 0;
}

.feature-list li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.75rem;
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* ==================== 警告框 ==================== */
.alert {
    padding: 1.25rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border-left: 4px solid;
}

.alert h3 {
    margin-top: 0;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.alert p:last-child {
    margin-bottom: 0;
}

.alert-warning {
    background-color: #fffbeb;
    border-color: var(--warning-color);
    color: #92400e;
}

.alert-danger {
    background-color: #fef2f2;
    border-color: var(--danger-color);
    color: #991b1b;
}

.alert-info {
    background-color: #eff6ff;
    border-color: var(--primary-color);
    color: #1e40af;
}

.alert-success {
    background-color: #f0fdf4;
    border-color: var(--success-color);
    color: #166534;
}

/* ==================== 提示文本 ==================== */
.note {
    background-color: #fffbeb;
    border-left: 4px solid var(--warning-color);
    padding: 0.75rem 1rem;
    margin: 1rem 0;
    border-radius: 4px;
    font-size: 0.95rem;
}

/* ==================== 标签页 ==================== */
.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.tab-btn {
    padding: 0.75rem 1.25rem;
    background-color: transparent;
    border: none;
    border-radius: 6px 6px 0 0;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}

.tab-btn:hover {
    background-color: var(--bg-color);
    color: var(--text-primary);
}

.tab-btn.active {
    background-color: #eff6ff;
    color: var(--primary-color);
}

.tab-btn.active::after {
    content: "";
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-color);
}

.tab-btn i {
    margin-right: 0.5rem;
}

/* ==================== 标签页内容 ==================== */
.tool-content {
    display: none;
}

.tool-content.active {
    display: block;
}

.os-content {
    display: none;
}

.os-content.active {
    display: block;
}

/* ==================== 按钮样式 ==================== */
.btn {
    display: inline-block;
    padding: 0.65rem 1.25rem;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* ==================== 链接组 ==================== */
.link-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

/* ==================== 代码块 ==================== */
.code-block {
    background-color: var(--code-bg);
    border-radius: 8px;
    overflow: hidden;
    margin: 1.5rem 0;
}

.code-header {
    background-color: #0f172a;
    padding: 0.75rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #334155;
}

.code-header span {
    color: #94a3b8;
    font-size: 0.85rem;
    font-weight: 500;
}

.copy-btn {
    background-color: #334155;
    color: white;
    border: none;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition);
}

.copy-btn:hover {
    background-color: #475569;
}

.code-block pre {
    margin: 0;
    padding: 1.25rem;
    overflow-x: auto;
}

.code-block code {
    background: transparent;
    color: #e2e8f0;
    padding: 0;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ==================== 折叠面板 ==================== */
.collapsible {
    margin: 1rem 0;
    border-radius: 8px;
    overflow: hidden;
}

.collapsible-btn {
    width: 100%;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 0.875rem 1rem;
    text-align: left;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 8px;
    transition: var(--transition);
    position: relative;
    padding-left: 2rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.collapsible-btn:hover {
    background-color: #eef2f6;
    border-color: var(--border-color);
}

.collapsible-btn::before {
    content: "▶";
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    transition: transform 0.2s ease;
    color: var(--text-secondary);
    font-size: 0.65rem;
}

.collapsible-btn.active {
    border-radius: 8px 8px 0 0;
    border-bottom-color: transparent;
}

.collapsible-btn.active::before {
    transform: translateY(-50%) rotate(90deg);
}

.collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 8px 8px;
    margin-top: -1px;
    background-color: var(--card-bg);
    padding: 0 1.25rem;
}

.collapsible-content.active {
    max-height: 10000px;
    padding: 1.25rem;
}

.collapsible-content > *:first-child {
    margin-top: 0;
}

.collapsible-content > *:last-child {
    margin-bottom: 0;
}

/* 嵌套的collapsible样式 */
.collapsible-content .collapsible {
    margin: 0.75rem 0;
}

.collapsible-content .collapsible-btn {
    background-color: #f8fafc;
    padding: 0.75rem 0.875rem;
    padding-left: 1.75rem;
    font-size: 0.875rem;
}

.collapsible-content .collapsible-btn::before {
    left: 0.75rem;
    font-size: 0.6rem;
}

/* ==================== Remote Tools Grid ==================== */
.remote-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.tool-card {
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
}

.tool-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.06);
}

.tool-card-header h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
}

.tool-platform {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0 0 1rem 0;
}

.tool-card .link-group {
    justify-content: flex-end;
    margin-top: 1rem;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .container {
        flex-direction: column;
        align-items: stretch;
        padding: 1rem;
    }

    .sidebar {
        width: 100%;
        height: auto;
        position: static;
        max-height: none;
    }

    .main-content {
        max-width: 100%;
        padding: 0;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .sidebar {
        width: calc(100% - 24px);
        margin: 12px;
    }

    .main-content {
        padding: 1.5rem 1rem;
    }

    .gallery-grid,
    .feature-list-grid,
    .remote-tools-grid {
        grid-template-columns: 1fr;
    }

    .tabs {
        flex-direction: column;
        gap: 0;
    }

    .tab-btn {
        width: 100%;
        border-radius: 0;
        text-align: left;
    }

    .collapsible-btn {
        padding: 0.75rem 0.875rem;
        padding-left: 1.75rem;
        font-size: 0.85rem;
    }
}

/* ==================== 滚动条样式 ==================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ==================== 平滑滚动 ==================== */
html {
    scroll-behavior: smooth;
}

/* ==================== 选中文本样式 ==================== */
::selection {
    background-color: #dbeafe;
    color: var(--text-primary);
}