:root {
    --bg-dark: #0E111B;
    --bg-secondary: #1E2130;
    --bg-tertiary: #252836;
    --primary-purple: #9896FF;
    --primary-green: #00BC20;
    --text-primary: #FFF;
    --text-secondary: #B0B3C1;
    --text-muted: #6B7280;
    --border-color: #2A2D3A;
    --sidebar-width: 280px;
    --header-height: 64px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 16px;
}

.docs-layout {
    display: flex;
    min-height: 100vh;
    padding-top: var(--header-height);
}

.docs-sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    position: fixed;
    top: var(--header-height);
    left: 0;
    height: calc(100vh - var(--header-height));
    overflow-y: auto;
    padding: 1.5rem 0;
    z-index: 100;
}

.docs-sidebar::-webkit-scrollbar {
    width: 6px;
}

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

.docs-sidebar::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.sidebar-section {
    margin-bottom: 1.5rem;
}

.sidebar-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    padding: 0.5rem 1.5rem;
    margin-bottom: 0.25rem;
}

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

.sidebar-nav li {
    margin: 0;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
    background: rgba(152, 150, 255, 0.08);
    color: var(--text-primary);
}

.sidebar-nav a.active {
    background: rgba(152, 150, 255, 0.12);
    color: var(--primary-purple);
    border-left-color: var(--primary-purple);
    font-weight: 500;
}

.sidebar-nav .nav-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.sidebar-nav .submenu {
    list-style: none;
    margin-left: 2.5rem;
    border-left: 1px solid var(--border-color);
}

.sidebar-nav .submenu a {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    border-left: none;
}

.docs-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    max-width: calc(100% - var(--sidebar-width));
}

.docs-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 2.5rem 3rem;
}

.docs-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 1000;
    display: flex;
    align-items: center;
}

.docs-header-inner {
    max-width: 100%;
    width: 100%;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.docs-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
}

.docs-logo-icon {
    width: 32px;
    height: 32px;
    background: var(--primary-purple);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: white;
}

.docs-logo-text {
    font-size: 1.125rem;
    font-weight: 600;
}

.docs-logo-badge {
    font-size: 0.75rem;
    background: rgba(152, 150, 255, 0.15);
    color: var(--primary-purple);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    margin-left: 0.5rem;
}

.docs-header-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.docs-header-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color 0.2s;
}

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

.docs-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

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

.docs-breadcrumb a:hover {
    color: var(--primary-purple);
}

.docs-breadcrumb span {
    color: var(--text-muted);
}

.docs-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.docs-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.docs-section {
    margin-bottom: 3rem;
}

.docs-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.docs-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.docs-section p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.docs-section ul, .docs-section ol {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.docs-section li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.docs-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.docs-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-decoration: none;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
}

.docs-card:hover {
    border-color: var(--primary-purple);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(152, 150, 255, 0.15);
}

.docs-card-icon {
    width: 48px;
    height: 48px;
    background: rgba(152, 150, 255, 0.15);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.docs-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.docs-card-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.docs-card-badge {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    background: rgba(0, 188, 32, 0.15);
    color: var(--primary-green);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    margin-left: 0.5rem;
}

.docs-callout {
    background: linear-gradient(135deg, rgba(152, 150, 255, 0.1) 0%, rgba(152, 150, 255, 0.05) 100%);
    border: 1px solid rgba(152, 150, 255, 0.3);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.docs-callout-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--primary-purple);
}

.docs-callout-content {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.docs-callout-content a {
    color: var(--primary-purple);
    text-decoration: none;
}

.docs-callout-content a:hover {
    text-decoration: underline;
}

.docs-code {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    overflow-x: auto;
}

.docs-code pre {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.docs-code code {
    color: #7dd3fc;
}

.docs-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem;
    font-size: 0.9375rem;
}

.docs-table th {
    text-align: left;
    padding: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-primary);
}

.docs-table td {
    padding: 1rem;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.docs-table tr:hover td {
    background: rgba(152, 150, 255, 0.05);
}

.docs-nav-footer {
    display: flex;
    justify-content: space-between;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.docs-nav-link {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    padding: 1rem 1.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.2s ease;
    max-width: 45%;
}

.docs-nav-link:hover {
    border-color: var(--primary-purple);
    transform: translateY(-2px);
}

.docs-nav-link.prev {
    align-items: flex-start;
}

.docs-nav-link.next {
    align-items: flex-end;
    margin-left: auto;
}

.docs-nav-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.docs-nav-title {
    font-weight: 600;
    color: var(--primary-purple);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

@media (max-width: 1024px) {
    .docs-content {
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .docs-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        width: 100%;
        max-width: 300px;
    }
    
    .docs-sidebar.open {
        transform: translateX(0);
    }
    
    .docs-main {
        margin-left: 0;
        max-width: 100%;
    }
    
    .docs-content {
        padding: 1.5rem;
    }
    
    .docs-title {
        font-size: 1.75rem;
    }
    
    .docs-card-grid {
        grid-template-columns: 1fr;
    }
    
    .docs-nav-footer {
        flex-direction: column;
        gap: 1rem;
    }
    
    .docs-nav-link {
        max-width: 100%;
    }
    
    .docs-header-nav {
        display: none;
    }
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
}

.sidebar-overlay.open {
    display: block;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

@media (max-width: 900px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }
}

.feature-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
}

.feature-item h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.feature-item p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin: 2rem 0;
}

@media (max-width: 768px) {
    .stat-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.stat-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
    text-align: center;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-purple);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.version-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.625rem;
    border-radius: 4px;
    margin-left: 0.5rem;
}

.version-badge.stable {
    background: rgba(0, 188, 32, 0.15);
    color: #00BC20;
}

.version-badge.preview {
    background: rgba(251, 191, 36, 0.15);
    color: #FBBF24;
}

.version-badge.new {
    background: rgba(152, 150, 255, 0.15);
    color: var(--primary-purple);
}