:root {
    --bg: #ffffff;
    --border: #e2e2e2;
    --text: #1a1a1a;
    --muted: #6b6b6b;
    --accent: #3b5bfd;
    --radius: 14px;
  }
  
  * {
    box-sizing: border-box;
  }
  
  body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #f5f5f7;
    margin: 0;
    padding: 40px 20px;
    display: flex;
    justify-content: center;
  }
  
  .demo-row {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    max-width: 1024px;
  }
  
  .site-card {
    display: block;
    width: 320px;
    text-decoration: none;
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
  }
  
  .site-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
  }
  
  .site-card__screenshot-wrap {
    width: 100%;
    aspect-ratio: 16 / 10;
    background: #ececec;
    position: relative;
    overflow: hidden;
  }
  
  .site-card__screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  
  .site-card__skeleton {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, #ececec 25%, #f5f5f5 50%, #ececec 75%);
    background-size: 200% 100%;
    animation: shimmer 1.4s infinite;
  }
  
  @keyframes shimmer {
    0% {
      background-position: 200% 0;
    }
    
    100% {
      background-position: -200% 0;
    }
  }
  
  .site-card__body {
    padding: 14px 16px;
  }
  
  .site-card__header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
  }
  
  .site-card__favicon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    border-radius: 3px;
  }
  
  .site-card__title {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  .site-card__description {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
  }
  
  .site-card__url {
    margin-top: 8px;
    font-size: 12px;
    color: var(--accent);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  
  .site-card--error .site-card__description {
    color: #c0392b;
  }