/**
 * Video Accessibility Styles - GIGW 3.0 Compliant
 * Ensures all videos have proper caption support and accessibility features
 */

/* Video Container Styles */
.video-container {
    position: relative;
    margin: 1rem 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    background: #000;
}

.video-container iframe {
    display: block;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 8px;
}

/* Video Accessibility Info */
.video-accessibility-info {
    background: rgba(27, 67, 50, 0.95);
    color: white;
    padding: 0.75rem 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.video-accessibility-info .caption-info {
    margin: 0;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.video-accessibility-info .caption-info i {
    font-size: 1rem;
    color: #4CAF50;
}

/* Video Fallback Styles */
.video-fallback {
    background: #f8f9fa;
    border: 2px dashed #dee2e6;
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    margin: 1rem 0;
}

.video-fallback p {
    margin-bottom: 1rem;
    color: #6c757d;
    font-size: 1rem;
}

.video-fallback a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary, #004d99);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: background-color 0.2s ease;
}

.video-fallback a:hover {
    background: var(--primary-dark, #003d7a);
    color: white;
    text-decoration: none;
}

/* Video Player Controls Enhancement */
.video-container .video-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    padding: 1rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-container:hover .video-controls {
    opacity: 1;
}

/* Caption Button Styles */
.caption-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.2s ease;
}

.caption-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
}

.caption-toggle.active {
    background: #4CAF50;
    border-color: #4CAF50;
}

/* High Contrast Mode Support */
@media (prefers-contrast: more) {
    .video-container {
        border: 2px solid #000;
    }
    
    .video-accessibility-info {
        background: #000;
        border-top: 2px solid #fff;
    }
    
    .video-fallback {
        border-color: #000;
        background: #fff;
    }
    
    .video-fallback a {
        background: #000;
        color: #fff;
        border: 2px solid #000;
    }
    
    .video-fallback a:hover {
        background: #fff;
        color: #000;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .video-container .video-controls {
        transition: none;
    }
    
    .video-fallback a {
        transition: none;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .video-fallback {
        background: #2d3748;
        border-color: #4a5568;
        color: #e2e8f0;
    }
    
    .video-fallback p {
        color: #a0aec0;
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .video-container {
        margin: 0.5rem 0;
    }
    
    .video-accessibility-info {
        padding: 0.5rem 0.75rem;
    }
    
    .video-accessibility-info .caption-info {
        font-size: 0.8rem;
    }
    
    .video-fallback {
        padding: 1.5rem;
    }
    
    .video-fallback a {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .video-accessibility-info .caption-info {
        font-size: 0.75rem;
        gap: 0.25rem;
    }
    
    .video-fallback {
        padding: 1rem;
    }
    
    .video-fallback p {
        font-size: 0.9rem;
    }
}

/* Focus Styles for Accessibility */
.video-container:focus-within {
    outline: 3px solid var(--primary, #004d99);
    outline-offset: 2px;
}

.video-fallback a:focus {
    outline: 3px solid var(--primary, #004d99);
    outline-offset: 2px;
}

.caption-toggle:focus {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

/* Screen Reader Only Text */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Video Loading States */
.video-container.loading {
    background: #f8f9fa;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-container.loading::before {
    content: '';
    width: 40px;
    height: 40px;
    border: 4px solid #e9ecef;
    border-top: 4px solid var(--primary, #004d99);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Video Error States */
.video-container.error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
    padding: 1rem;
    text-align: center;
}

.video-container.error::before {
    content: '⚠️';
    font-size: 2rem;
    display: block;
    margin-bottom: 0.5rem;
}

/* YouTube Specific Enhancements */
.video-container[data-platform="youtube"] {
    position: relative;
}

.video-container[data-platform="youtube"]::after {
    content: 'YouTube';
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Vimeo Specific Enhancements */
.video-container[data-platform="vimeo"]::after {
    content: 'Vimeo';
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Custom Video Player Styles */
.video-container.custom-video {
    background: #000;
}

.video-container.custom-video video {
    width: 100%;
    height: 100%;
    border-radius: 8px;
}

.video-container.custom-video .video-track {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.8);
    padding: 0.5rem;
    font-size: 0.9rem;
    color: white;
    text-align: center;
}

/* Caption Track Styles */
.video-container .caption-track {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
    max-width: 80%;
    text-align: center;
    z-index: 10;
}

/* Video Accessibility Compliance Notice */
.video-compliance-notice {
    background: #e3f2fd;
    border: 1px solid #2196f3;
    border-radius: 6px;
    padding: 0.75rem 1rem;
    margin: 0.5rem 0;
    font-size: 0.85rem;
    color: #1565c0;
}

.video-compliance-notice strong {
    color: #0d47a1;
}

/* Print Styles */
@media print {
    .video-container {
        display: none;
    }
    
    .video-fallback {
        border: 1px solid #000;
        background: #fff;
        color: #000;
    }
    
    .video-fallback a {
        background: #000;
        color: #fff;
        text-decoration: underline;
    }
}