/* ==========================================
   AEC - Algemene Economie C-cluster
   Global Styles with Design System
   Version: 2.0 - Unified Design System
   ========================================== */

/* Design system now loaded directly via <link> tag in HTML for better reliability */

/* ==========================================
   AEC-Specific Customizations
   ========================================== */

/* Header Styles - Using design system */
.site-header {
    background: var(--base);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding: var(--space-2xl) 0;
    text-align: center;
}

.site-title {
    margin-bottom: var(--space-sm);
}

.site-title abbr {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    display: block;
}

.site-title .full-title {
    display: block;
    font-size: clamp(0.875rem, 2vw, 1rem);
    color: var(--text-medium);
    font-weight: 400;
    margin-top: var(--space-xs);
}

.site-tagline {
    color: var(--text-medium);
    font-size: clamp(0.875rem, 2vw, 1.125rem);
    margin: 0;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: var(--space-2xl) 0;
}

/* Intro Section */
.intro-section {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.intro-text {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--text-medium);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Portal Navigation Cards */
.portal-navigation {
    margin-bottom: var(--space-2xl);
}

.section-title {
    /* Inherits spacing from design-system.css */
    text-align: center;
    color: var(--text-dark);
}

/* Card Grid - Override design system grid for specific layout */
.card-grid {
    display: grid;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
    grid-template-columns: 1fr;
}

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

@media (min-width: 1024px) {
    .card-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Portal Cards - Enhanced with AEC branding */
.portal-card {
    position: relative;
    overflow: hidden;
}

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

.card-link {
    display: block;
    padding: var(--space-xl);
    height: 100%;
    text-decoration: none;
    color: inherit;
}

/* Card Icons with AEC colors */
.card-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-lg);
    color: var(--primary);
    opacity: 0.9;
}

.teacher-card .card-icon {
    color: var(--accent);
}

.committee-card .card-icon {
    color: var(--text-medium);
}

/* Card Features */
.card-features {
    list-style: none;
    margin-bottom: var(--space-lg);
    padding: 0;
}

.card-features li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    color: var(--text-light);
    font-size: 0.9rem;
}

.card-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

/* Card CTA */
.card-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--primary);
    font-weight: 600;
    transition: gap var(--transition);
}

.portal-card:hover .card-cta {
    gap: var(--space-md);
}

.teacher-card .card-cta {
    color: var(--accent);
}

.committee-card .card-cta {
    color: var(--text-dark);
}

.cta-arrow {
    transition: transform var(--transition);
}

.portal-card:hover .cta-arrow {
    transform: translateX(4px);
}

/* Features Section */
.features-section {
    padding: var(--space-2xl) 0;
    background: var(--base);
    border-radius: var(--radius-xl);
}

.features-grid {
    display: grid;
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature {
    text-align: center;
    padding: var(--space-lg);
}

.feature-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-sm);
    color: var(--primary);
}

.feature-description {
    color: var(--text-medium);
    line-height: 1.6;
    margin: 0;
}

/* Footer */
.site-footer {
    background: var(--text-dark);
    color: var(--base);
    padding: var(--space-xl) 0;
    text-align: center;
    margin-top: auto;
}

.footer-text {
    margin-bottom: var(--space-sm);
}

.footer-meta {
    color: rgba(255, 255, 255, 0.7);
}

/* ==========================================
   AI Mode Toggle
   ========================================== */

.ai-mode-toggle {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.mode-label {
    font-size: 0.875rem;
    color: var(--text-dark);
    font-weight: 500;
    margin-right: var(--space-sm);
}

.mode-select {
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.875rem;
    color: var(--text-dark);
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
    transition: border-color var(--transition);
    min-width: 140px;
}

.mode-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(143, 209, 79, 0.2);
}

.mode-select:hover {
    border-color: var(--primary);
}

/* Different mode indicators */
body[data-mode="traditional"] .ai-mode-toggle {
    border-left: 4px solid #6B7280;
}

body[data-mode="ai-assisted"] .ai-mode-toggle {
    border-left: 4px solid #3B82F6;
}

body[data-mode="ai-integrated"] .ai-mode-toggle {
    border-left: 4px solid var(--primary);
}

body[data-mode="ai-first"] .ai-mode-toggle {
    border-left: 4px solid var(--accent);
}

/* Mode-specific content visibility */
.mode-content {
    display: none;
}

body[data-mode="traditional"] .mode-content[data-mode="traditional"],
body[data-mode="ai-assisted"] .mode-content[data-mode="ai-assisted"],
body[data-mode="ai-integrated"] .mode-content[data-mode="ai-integrated"],
body[data-mode="ai-first"] .mode-content[data-mode="ai-first"] {
    display: block;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .ai-mode-toggle {
        position: relative;
        top: auto;
        right: auto;
        margin-bottom: var(--space-md);
        width: 100%;
        text-align: center;
    }
    
    .mode-label {
        display: block;
        margin-bottom: var(--space-xs);
        margin-right: 0;
    }
    
    .mode-select {
        width: 100%;
        max-width: 200px;
    }
}