/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --bg-color: #ffffff;
    --bg-secondary: #f8fafc;
    --text-color: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --sidebar-width: 280px;
    --header-height: 64px;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.header-container {
    max-width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 32px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 18px;
}

.logo-text h1 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-color);
}

.version {
    font-size: 12px;
    color: var(--text-secondary);
}

.header-nav {
    display: flex;
    gap: 24px;
    flex: 1;
}

.header-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

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

.search-box {
    position: relative;
    width: 300px;
}

.search-box input {
    width: 100%;
    padding: 8px 40px 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.search-box input:focus {
    border-color: var(--primary-color);
}

.search-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
}

/* Main Layout */
.main-container {
    display: flex;
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    overflow-y: auto;
    padding: 24px 0;
}

.sidebar-nav {
    padding: 0 16px;
}

.nav-section {
    margin-bottom: 32px;
}

.nav-title {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 12px;
    padding: 0 12px;
}

.nav-list {
    list-style: none;
}

.nav-link {
    display: block;
    padding: 8px 12px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 14px;
    border-radius: 6px;
    transition: all 0.2s;
}

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

.nav-link.active {
    background-color: var(--primary-color);
    color: white;
}

/* Content */
.content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 32px 48px;
    max-width: calc(100% - var(--sidebar-width));
}

.breadcrumb {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

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

.article {
    max-width: 900px;
}

.article h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-color);
}

.article h2 {
    font-size: 28px;
    font-weight: 600;
    margin-top: 48px;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border-color);
}

.article h3 {
    font-size: 22px;
    font-weight: 600;
    margin-top: 32px;
    margin-bottom: 12px;
}

.article p {
    margin-bottom: 16px;
    line-height: 1.7;
}

.lead {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* Info Boxes */
.info-box,
.warning-box,
.success-box {
    display: flex;
    gap: 12px;
    padding: 16px;
    border-radius: 8px;
    margin: 24px 0;
}

.info-box {
    background-color: #eff6ff;
    border-left: 4px solid var(--primary-color);
}

.warning-box {
    background-color: #fffbeb;
    border-left: 4px solid var(--warning-color);
}

.success-box {
    background-color: #f0fdf4;
    border-left: 4px solid var(--success-color);
}

.info-icon,
.warning-icon,
.success-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.info-content,
.warning-content,
.success-content {
    flex: 1;
}

/* Lists */
.feature-list {
    list-style: none;
    margin: 24px 0;
}

.feature-list li {
    padding: 12px 0 12px 32px;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.feature-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
    font-size: 18px;
}

.steps-list {
    margin: 24px 0;
    padding-left: 24px;
}

.steps-list li {
    margin-bottom: 12px;
    line-height: 1.7;
}

/* Tables */
.doc-table,
.commands-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 14px;
}

.doc-table th,
.commands-table th {
    background-color: var(--bg-secondary);
    padding: 12px;
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
}

.doc-table td,
.commands-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

.doc-table tr:hover,
.commands-table tr:hover {
    background-color: var(--bg-secondary);
}

/* FAQ */
.faq-item {
    margin-bottom: 24px;
    padding: 20px;
    background-color: var(--bg-secondary);
    border-radius: 8px;
}

.faq-item h3 {
    margin-top: 0;
    font-size: 18px;
}

/* Article Footer */
.article-footer {
    margin-top: 64px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.prev-next {
    display: flex;
    justify-content: space-between;
    margin-bottom: 24px;
}

.prev-link,
.next-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.edit-link {
    text-align: center;
}

.edit-link a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
}

/* Footer */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    margin-left: var(--sidebar-width);
    padding: 48px 48px 24px;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 8px;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
}

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

.footer-bottom {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

/* Links */
a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Inline Code */
code {
    background-color: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}