body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    min-height: 100vh;
    margin: 0;
    background-color: skyblue;
}

header {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

header h1 {
    margin: 0;
    font-size: 2.5em;
    font-weight: bold;
}

main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
}

.container {
    text-align: center;
}

.button-group {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

footer {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: #aaa;
    text-align: center;
    padding: 20px;
    font-size: 0.9em;
    border-top: 3px solid #34495e;
}
    .video-gallery {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 20px;
      margin-top: 20px;
    }
    
    .video-card {
      background: var(--card);
      border-radius: 8px;
      overflow: hidden;
      border: 1px solid rgba(16,24,40,0.06);
      box-shadow: 0 2px 8px rgba(2,6,23,0.04);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      cursor: pointer;
    }
    
    .video-card:hover {
      transform: translateY(-2px);
      box-shadow: 0 4px 16px rgba(2,6,23,0.08);
    }
    
    .video-thumbnail {
      width: 100%;
      height: 180px;
      object-fit: cover;
      background: #000;
    }
    
    .video-info {
      padding: 12px;
    }
    
    .video-title {
      font-size: 16px;
      font-weight: 600;
      margin: 0 0 8px 0;
      color: #111;
    }
    
    .video-player-section {
      margin-bottom: 24px;
    }
    
    .video-player-container {
      position: relative;
      background: #000;
      border-radius: 8px;
      overflow: hidden;
    }
    
    #main-video {
      width: 100%;
      height: auto;
      display: block;
    }
    
    .loading {
      text-align: center;
      padding: 40px;
      color: var(--muted);
    }
    
    .error {
      background: #fef2f2;
      color: #b91c1c;
      padding: 16px;
      border-radius: 6px;
      margin: 16px 0;
    }
    
    .no-videos {
      text-align: center;
      padding: 60px 20px;
      color: var(--muted);
    }