/**
 * YouTube Carousel — Zusatz-Styles
 * Nur Komponenten, die nicht in styles.css leben:
 * SEO-Content-Sektion, Sprachauswahl-Modal, Accessibility-Helfer.
 * Alle Regeln sind dunkel (Theme aus styles.css) und kollidieren nicht damit.
 */

/* ========================================
   SEO Content Section
   ======================================== */

[data-schema] {
    display: none;
}

.seo-content {
    padding: 4rem 0;
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
}

.content-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.seo-content h2 {
    text-align: center;
    margin-bottom: 2.5rem;
    color: var(--text-primary);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.content-item {
    background: var(--surface-color);
    padding: 1.75rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.content-item:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 0, 0, 0.4);
    box-shadow: 0 16px 40px var(--shadow-color);
}

.content-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.content-item p {
    color: var(--text-secondary);
    line-height: 1.65;
    font-size: 0.95rem;
    margin: 0;
}

/* ========================================
   Sprachauswahl-Modal (von languages.js erzeugt)
   ======================================== */

.language-selector-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(6px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1200;
    animation: langFadeIn 0.25s ease;
}

@keyframes langFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.language-selector-modal .modal-content {
    background: var(--surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    max-width: 560px;
    width: 92%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
    animation: langSlideUp 0.25s ease;
}

@keyframes langSlideUp {
    from { transform: translateY(16px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.language-selector-modal .modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.language-selector-modal .modal-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.language-selector-modal .modal-close {
    background: none;
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    color: var(--text-secondary);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.language-selector-modal .modal-close:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.language-selector-modal .modal-body {
    padding: 1.25rem 1.5rem 1.5rem;
}

.language-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    border: 1px solid var(--border-color);
    background: var(--surface-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.95rem;
    font-weight: 500;
    font-family: inherit;
    color: var(--text-primary);
}

.lang-btn:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.lang-btn.active {
    border-color: var(--primary-color);
    background: var(--gradient-primary);
    color: #fff;
}

.flag {
    font-size: 1.4rem;
    line-height: 1;
}

.lang-name {
    flex: 1;
    text-align: left;
}

@media (max-width: 520px) {
    .language-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Accessibility
   ======================================== */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 1300;
}

.skip-link:focus {
    top: 6px;
}

/* ========================================
   Print
   ======================================== */

@media print {
    .nav,
    .carousel-controls,
    .hero-features,
    .hero-stats,
    .category-filter,
    .search-section,
    .language-selector-modal {
        display: none !important;
    }

    .seo-content {
        background: none !important;
    }
}