/* Videos Section Styles */
.videos-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 15px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #3498db, #2980b9);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #7f8c8d;
    margin: 0;
}

/* Video Filters */
.video-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 25px;
    color: #6c757d;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.filter-btn:hover {
    border-color: #3498db;
    color: #3498db;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.2);
}

.filter-btn.active {
    background: linear-gradient(135deg, #3498db, #2980b9);
    border-color: #3498db;
    color: white;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.filter-btn i {
    font-size: 0.9rem;
}

/* Videos Grid */
.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 40px;
    padding: 20px 0;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

/* Loading State */
.loading-videos {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: #7f8c8d;
}

.loading-videos i {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #3498db;
}

.loading-videos p {
    font-size: 1.1rem;
    margin: 0;
}

/* No Videos State */
.no-videos {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    color: #7f8c8d;
}

.no-videos i {
    font-size: 4rem;
    margin-bottom: 20px;
    color: #bdc3c7;
}

.no-videos h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #2c3e50;
}

.no-videos p {
    font-size: 1.1rem;
    margin: 0;
}

/* Video Card */
.video-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    border: 1px solid rgba(0,0,0,0.05);
    max-width: 400px;
    margin: 0 auto;
    width: 100%;
}

.video-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
    border-color: rgba(79, 195, 247, 0.3);
}

.video-thumbnail {
    position: relative;
    width: 100%;
    height: 180px;
    overflow: hidden;
    border-radius: 15px 15px 0 0;
}

.thumbnail-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.video-card:hover .thumbnail-video {
    transform: scale(1.05);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.video-card:hover .video-overlay {
    background: rgba(0,0,0,0.2);
}

.video-overlay i {
    font-size: 2.5rem;
    color: white;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    transition: all 0.3s ease;
}

.video-card:hover .video-overlay i {
    transform: scale(1.1);
    color: #4fc3f7;
}

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.video-content {
    padding: 20px;
}

.video-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.video-card:hover .video-title {
    color: #3498db;
}

.video-description {
    font-size: 0.9rem;
    color: #7f8c8d;
    line-height: 1.5;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.video-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.video-meta span {
    font-size: 0.8rem;
    color: #95a5a6;
    display: flex;
    align-items: center;
    gap: 5px;
}

.video-meta .category {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-weight: 500;
    font-size: 0.75rem;
}

.video-meta .duration {
    background: rgba(52, 152, 219, 0.1);
    color: #3498db;
    padding: 4px 8px;
    border-radius: 4px;
}

.video-meta .views {
    color: #7f8c8d;
}

/* Video Modal */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.video-modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.modal-content {
    position: relative;
    background: white;
    border-radius: 15px;
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0,0,0,0.8);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: rgba(0,0,0,1);
    transform: scale(1.1);
}

.video-player-container {
    width: 100%;
    background: #000;
}

#videoPlayer {
    width: 100%;
    height: auto;
    max-height: 60vh;
    display: block;
}

.video-info {
    padding: 25px;
}

.video-info h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
}

.video-info p {
    color: #7f8c8d;
    line-height: 1.6;
    margin-bottom: 20px;
}

.video-info .video-meta {
    border-top: 1px solid #e9ecef;
    padding-top: 15px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .videos-section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .video-filters {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
    
    .videos-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
        padding: 15px;
    }
    
    .video-card {
        max-width: 350px;
    }
    
    .video-thumbnail {
        height: 160px;
    }
    
    .modal-content {
        width: 95%;
        margin: 10px;
    }
    
    .video-info {
        padding: 15px;
    }
    
    .video-info h3 {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.8rem;
    }
    
    .filter-btn {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
    
    .filter-btn i {
        font-size: 0.8rem;
    }
    
    .videos-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 10px;
    }
    
    .video-card {
        max-width: 100%;
        margin: 0;
    }
    
    .video-thumbnail {
        height: 140px;
    }
    
    .video-content {
        padding: 15px;
    }
    
    .video-title {
        font-size: 1rem;
    }
    
    .video-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .video-meta span {
        font-size: 0.75rem;
    }
}