/* Embedding Optimization CSS */

/* Iframe-friendly styles */
body.embedded {
    margin: 0;
    padding: 0;
    background-color: var(--white);
}

.embedded .hero {
    padding: var(--space-2xl) 0;
}

.embedded .hero h1 {
    font-size: 2rem;
}

.embedded .section {
    padding: var(--space-2xl) 0;
}

/* Responsive table of contents for embedding */
@media (max-width: 1024px) {
    .container .grid[style*="grid-template-columns: 300px 1fr"] {
        grid-template-columns: 1fr !important;
    }
    
    .table-of-contents {
        position: static;
        margin-bottom: var(--space-lg);
        background-color: var(--primary-color);
        color: var(--white);
    }
    
    .table-of-contents h3 {
        color: var(--white);
    }
    
    .table-of-contents a {
        color: rgba(255, 255, 255, 0.8);
    }
    
    .table-of-contents a:hover {
        background-color: rgba(255, 255, 255, 0.1);
        color: var(--white);
    }
    
    .table-of-contents a.active {
        background-color: rgba(255, 255, 255, 0.2);
        color: var(--white);
    }
}

/* Enhanced interactive elements */
.interactive-card {
    transition: all var(--transition-normal);
    cursor: pointer;
}

.interactive-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Enhanced architecture diagram with syntax highlighting */
.architecture-diagram {
    position: relative;
    overflow: hidden;
}

.architecture-diagram::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

/* Progress indicator for long content */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: rgba(37, 99, 235, 0.1);
    z-index: 1000;
}

.reading-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    width: 0%;
    transition: width 0.1s ease;
}

/* Enhanced hover effects for better interactivity */
.card {
    transition: all var(--transition-normal);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn {
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

/* Collapsible sections for mobile */
.collapsible-section {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.collapsible-header {
    padding: var(--space-md);
    background-color: var(--gray-50);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-fast);
}

.collapsible-header:hover {
    background-color: var(--gray-100);
}

.collapsible-content {
    padding: var(--space-md);
    display: none;
}

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

.collapsible-icon {
    transition: transform var(--transition-fast);
}

.collapsible-section.active .collapsible-icon {
    transform: rotate(180deg);
}

/* Enhanced table styling */
.comparison-table {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.comparison-table th {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
}

.comparison-table tbody tr:nth-child(even) {
    background-color: var(--gray-50);
}

/* Timeline enhancements */
.phase-timeline {
    position: relative;
}

.phase-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 40px;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
}

.phase-number {
    position: relative;
    z-index: 2;
    box-shadow: 0 0 0 4px var(--white);
}

/* Print styles for PDF generation */
@media print {
    .table-of-contents {
        position: static !important;
        page-break-inside: avoid;
    }
    
    .hero {
        page-break-after: always;
    }
    
    section {
        page-break-inside: avoid;
    }
    
    .card {
        page-break-inside: avoid;
    }
    
    .phase-timeline {
        page-break-inside: avoid;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid var(--gray-800);
    }
    
    .btn {
        border: 2px solid currentColor;
    }
    
    .table-of-contents {
        border: 2px solid var(--gray-800);
    }
}

/* Dark mode support for embedding */
@media (prefers-color-scheme: dark) {
    :root {
        --white: #0f172a;
        --gray-50: #1e293b;
        --gray-100: #334155;
        --gray-200: #475569;
        --gray-300: #64748b;
        --gray-400: #94a3b8;
        --gray-500: #cbd5e1;
        --gray-600: #e2e8f0;
        --gray-700: #f1f5f9;
        --gray-800: #f8fafc;
        --gray-900: #ffffff;
    }
    
    body {
        background-color: var(--white);
        color: var(--gray-800);
    }
    
    .architecture-diagram {
        background-color: #000;
        border: 1px solid var(--gray-200);
    }
}