/* Videos Page Styles */

.page-header {
    background: linear-gradient(135deg, var(--primary-color, #FF6B35), var(--secondary-color, #F7931E));
    color: white;
    padding: 4rem 0 3rem;
    text-align: center;
    margin-top: 70px;
}

.page-header h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 3rem;
    margin: 0 0 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    font-weight: 700;
}

.page-header .subtitle {
    font-size: 1.2rem;
    opacity: 0.95;
    margin: 0;
}

.videos-section {
    padding: 3rem 0;
    min-height: calc(100vh - 400px);
}

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

/* Chapter Navigation */
.chapter-nav {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.chapter-btn {
    padding: 0.75rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border: 3px solid var(--primary-color, #FF6B35);
    background: white;
    color: var(--primary-color, #FF6B35);
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Fredoka', sans-serif;
}

.chapter-btn:hover:not(:disabled) {
    background: var(--primary-color, #FF6B35);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.chapter-btn.active {
    background: var(--primary-color, #FF6B35);
    color: white;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.chapter-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    border-color: #ccc;
    color: #999;
}

/* Chapter-Specific Colors */
/* Chapter 1: Las Flores - Pink/Rose colors */
.chapter-btn[data-chapter="1"] {
    border-color: #FF6B9D;
    color: #FF6B9D;
}

.chapter-btn[data-chapter="1"]:hover:not(:disabled),
.chapter-btn[data-chapter="1"].active {
    background: #FF6B9D;
    color: white;
    box-shadow: 0 4px 12px rgba(255, 107, 157, 0.4);
}

/* Chapter 2: Los Insectos - Green/Nature colors */
.chapter-btn[data-chapter="2"] {
    border-color: #4CAF50;
    color: #4CAF50;
}

.chapter-btn[data-chapter="2"]:hover:not(:disabled),
.chapter-btn[data-chapter="2"].active {
    background: #4CAF50;
    color: white;
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.4);
}

/* Chapter 3: La Naturaleza - Forest Green/Earth colors */
.chapter-btn[data-chapter="3"] {
    border-color: #2E7D32;
    color: #2E7D32;
}

.chapter-btn[data-chapter="3"]:hover:not(:disabled),
.chapter-btn[data-chapter="3"].active {
    background: #2E7D32;
    color: white;
    box-shadow: 0 4px 12px rgba(46, 125, 50, 0.4);
}

/* Chapter 4: Las Frutas - Red/Orange fruit colors */
.chapter-btn[data-chapter="4"] {
    border-color: #FF5722;
    color: #FF5722;
}

.chapter-btn[data-chapter="4"]:hover:not(:disabled),
.chapter-btn[data-chapter="4"].active {
    background: #FF5722;
    color: white;
    box-shadow: 0 4px 12px rgba(255, 87, 34, 0.4);
}

/* Chapter 5: Las Verduras - Fresh Green vegetable colors */
.chapter-btn[data-chapter="5"] {
    border-color: #8BC34A;
    color: #8BC34A;
}

.chapter-btn[data-chapter="5"]:hover:not(:disabled),
.chapter-btn[data-chapter="5"].active {
    background: #8BC34A;
    color: white;
    box-shadow: 0 4px 12px rgba(139, 195, 74, 0.4);
}

/* Videos Grid */
.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.video-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background: #f5f5f5;
    overflow: hidden;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Video Placeholder */
.video-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f5f5f5, #e0e0e0);
    color: #999;
}

/* Video Thumbnail */
.video-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Play Overlay */
.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.video-card:hover .play-overlay {
    background: rgba(0, 0, 0, 0.5);
}

.play-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color, #FF6B35);
    margin-bottom: 0;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.video-card:hover .play-icon {
    transform: scale(1.1);
    background: white;
}

.video-placeholder p {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

/* Video Info */
.video-info {
    padding: 1.5rem;
}

.video-info h3 {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.3rem;
    color: var(--text-dark, #2D3748);
    margin: 0 0 0.5rem;
}

.video-description {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

/* Chapter-Specific Video Card Styling */

/* Chapter 1: Las Flores - Pink */
#chapter-1 .video-card {
    border: 3px solid #E91E63;
    border-radius: 16px;
}

#chapter-1 .play-icon {
    color: #E91E63;
}

#chapter-1 .video-card:hover {
    box-shadow: 0 8px 24px rgba(233, 30, 99, 0.3);
}

/* Chapter 2: Los Insectos - Yellow */
#chapter-2 .video-card {
    border: 3px solid #FFC107;
    border-radius: 16px;
}

#chapter-2 .play-icon {
    color: #FFC107;
}

#chapter-2 .video-card:hover {
    box-shadow: 0 8px 24px rgba(255, 193, 7, 0.3);
}

/* Chapter 3: La Naturaleza - Orange */
#chapter-3 .video-card {
    border: 3px solid #FF6F3D;
    border-radius: 16px;
}

#chapter-3 .play-icon {
    color: #FF6F3D;
}

#chapter-3 .video-card:hover {
    box-shadow: 0 8px 24px rgba(255, 111, 61, 0.3);
}

/* Chapter 4: Las Frutas - Purple */
#chapter-4 .video-card {
    border: 3px solid #9C27B0;
    border-radius: 16px;
}

#chapter-4 .play-icon {
    color: #9C27B0;
}

#chapter-4 .video-card:hover {
    box-shadow: 0 8px 24px rgba(156, 39, 176, 0.3);
}

/* Chapter 5: Las Verduras - Green */
#chapter-5 .video-card {
    border: 3px solid #66BB6A;
    border-radius: 16px;
}

#chapter-5 .play-icon {
    color: #66BB6A;
}

#chapter-5 .video-card:hover {
    box-shadow: 0 8px 24px rgba(102, 187, 106, 0.3);
}

/* Footer */
footer {
    background: #2D3748;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
}

footer p {
    margin: 0;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .page-header {
        padding: 3rem 0 2rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .page-header .subtitle {
        font-size: 1rem;
    }

    .videos-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .chapter-nav {
        gap: 0.5rem;
    }

    .chapter-btn {
        padding: 0.6rem 1.5rem;
        font-size: 1rem;
    }

    .container {
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .page-header h1 {
        font-size: 1.75rem;
    }

    .video-info h3 {
        font-size: 1.1rem;
    }

    .play-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}