/* RESET & FONT */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Inter', sans-serif;
      transition: background-color 0.3s, color 0.3s;
    }
    body {
      background: #f0f2f5;
      color: #333;
      padding: 2rem;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }
    /* DARK MODE */
    body.dark {
      background: #121212;
      color: #eee;
    }
    /* HEADER */
    header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 2rem;
      padding-bottom: 1rem;
      border-bottom: 2px solid #4f46e5;
    }
    header h1 {
      font-size: 2rem;
      font-weight: 700;
      cursor: default;
      user-select: none;
    }
    nav a {
      margin-left: 1.5rem;
      text-decoration: none;
      font-weight: 600;
      color: #4f46e5;
      transition: color 0.3s;
    }
    nav a:hover {
      color: #7c3aed;
    }
    /* DARK MODE BUTTON */
    #darkToggle {
      cursor: pointer;
      background: #4f46e5;
      border: none;
      color: white;
      padding: 0.4rem 1rem;
      border-radius: 9999px;
      font-weight: 600;
      user-select: none;
      transition: background 0.3s;
    }
    #darkToggle:hover {
      background: #7c3aed;
    }
    /* SEARCH */
    .search-bar {
      max-width: 400px;
      margin: 1rem auto 2rem auto;
      display: flex;
      justify-content: center;
    }
    .search-bar input {
      width: 100%;
      padding: 0.5rem 1rem;
      border-radius: 999px;
      border: 1px solid #ccc;
      outline: none;
      transition: all 0.3s;
    }
    body.dark .search-bar input {
      background: #222;
      border-color: #555;
      color: #eee;
    }
    .search-bar input:focus {
      border-color: #4f46e5;
    }
    /* GRID */
    .web-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 1.5rem;
      animation: fadeIn 1.5s ease-in-out;
      flex-grow: 1;
    }
    /* CARD */
    .card {
      background: white;
      border-radius: 1rem;
      box-shadow: 0 8px 20px rgba(0,0,0,0.1);
      overflow: hidden;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    body.dark .card {
      background: #1e1e1e;
      box-shadow: 0 8px 20px rgba(255,255,255,0.1);
    }
    .card:hover {
      transform: translateY(-5px);
      box-shadow: 0 12px 30px rgba(0,0,0,0.2);
    }
    body.dark .card:hover {
      box-shadow: 0 12px 30px rgba(255,255,255,0.2);
    }
    .card img {
      width: 100%;
      height: 150px;
      object-fit: cover;
      border-bottom: 1px solid #eee;
    }
    body.dark .card img {
      border-color: #444;
    }
    .card-content {
      padding: 1rem;
      flex-grow: 1;
    }
    .card-title {
      font-weight: 600;
      margin-bottom: 0.5rem;
      font-size: 1.2rem;
      color: #222;
    }
    body.dark .card-title {
      color: #eee;
    }
    .card-desc {
      font-size: 0.9rem;
      color: #666;
      margin-bottom: 1rem;
    }
    body.dark .card-desc {
      color: #aaa;
    }
    /* SHARE BUTTON */
    .share-btn {
      padding: 0.4rem 0.8rem;
      background: #4267B2;
      color: white;
      border-radius: 6px;
      text-align: center;
      cursor: pointer;
      user-select: none;
      font-weight: 600;
      transition: background 0.3s;
      text-decoration: none;
      display: inline-block;
    }
    .share-btn:hover {
      background: #365899;
    }
    /* FOOTER */
    footer {
      text-align: center;
      margin-top: 3rem;
      font-size: 0.8rem;
      color: #888;
      user-select: none;
    }
    body.dark footer {
      color: #666;
    }
    /* ANIMATION */
    @keyframes fadeIn {
      from { opacity: 0; }
      to { opacity: 1; }
    }