/* STARK Documentation Styles */
:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --background: #ffffff;
    --surface: #f8fafc;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --sidebar-width: 280px;
}

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

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

.container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Navigation */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--surface);
    border-right: 1px solid var(--border);
    padding: 1.5rem;
    overflow-y: auto;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
}

.logo h1 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.logo p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

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

.nav-section h3 {
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

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

.nav-section li {
    margin-bottom: 0.25rem;
}

.nav-section a {
    display: block;
    padding: 0.375rem 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    transition: all 0.15s ease;
}

.nav-section a:hover {
    background-color: var(--primary-color);
    color: white;
}

.nav-section a.active {
    background-color: var(--primary-color);
    color: white;
    font-weight: 500;
}

/* Main Content */
.content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem;
    max-width: 100%;
}

.page-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border);
}

.page-header h1 {
    color: var(--text-primary);
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), #3b82f6);
    color: white;
    padding: 3rem;
    border-radius: 0.75rem;
    margin-bottom: 3rem;
}

.hero h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    opacity: 0.95;
}

.cta-buttons {
    margin-top: 2rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 500;
    margin-right: 1rem;
    transition: all 0.15s ease;
}

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

.btn-primary:hover {
    background-color: var(--surface);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

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

/* Features Section */
.features {
    margin-bottom: 3rem;
}

.features h2 {
    font-size: 1.875rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background-color: var(--surface);
    padding: 1.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
}

.feature-card h3 {
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    font-size: 1.125rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.925rem;
}

/* Quick Example */
.quick-example {
    margin-bottom: 3rem;
}

.quick-example h2 {
    font-size: 1.875rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

pre {
    background-color: #1e293b;
    color: #e2e8f0;
    padding: 1.5rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
}

code {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

/* Navigation Help */
.navigation-help h2 {
    font-size: 1.875rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.navigation-help p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.navigation-help ul {
    list-style-type: none;
    padding-left: 0;
}

.navigation-help li {
    margin-bottom: 0.75rem;
    padding: 0.75rem;
    background-color: var(--surface);
    border-radius: 0.375rem;
    border-left: 4px solid var(--primary-color);
}

.navigation-help strong {
    color: var(--text-primary);
}

/* Content Pages */
.doc-content h1 {
    color: var(--text-primary);
    font-size: 2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border);
}

.doc-content h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
    margin: 2rem 0 1rem 0;
}

.doc-content h3 {
    color: var(--text-primary);
    font-size: 1.25rem;
    margin: 1.5rem 0 0.75rem 0;
}

.doc-content p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.doc-content ul, .doc-content ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.doc-content li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.doc-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.doc-content th,
.doc-content td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.doc-content th {
    background-color: var(--surface);
    font-weight: 600;
    color: var(--text-primary);
}

.doc-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
    margin: 1.5rem 0;
    font-style: italic;
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .content {
        margin-left: 0;
        padding: 1rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .hero {
        padding: 2rem;
    }
    
    .cta-buttons {
        text-align: center;
    }
    
    .btn {
        display: block;
        margin: 0.5rem auto;
        text-align: center;
        max-width: 200px;
    }
}

/* Syntax Highlighting for STARK code */
.stark {
    color: #e2e8f0;
}

.stark .keyword {
    color: #60a5fa;
}

.stark .string {
    color: #34d399;
}

.stark .comment {
    color: #6b7280;
    font-style: italic;
}

.stark .type {
    color: #f59e0b;
}

.stark .function {
    color: #a78bfa;
}