 <style>
    body {
      margin: 0;
      font-family: 'Segoe UI', sans-serif;
      background: linear-gradient(to right, #ffecd2, #fcb69f);
      color: #333;
    }

    header {
      text-align: center;
      padding: 2rem;
      background: linear-gradient(to right, #a1c4fd, #c2e9fb);
      color: white;
    }

    .gallery {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
      gap: 15px;
      padding: 2rem;
    }

    .gallery img {
      width: 100%;
      border-radius: 10px;
      cursor: pointer;
      transition: transform 0.3s ease;
    }

    .gallery img:hover {
      transform: scale(1.05);
    }

    .pagination {
      text-align: center;
      margin-bottom: 2rem;
    }

    .pagination button {
      padding: 10px 20px;
      margin: 0 10px;
      background: linear-gradient(to right, #ff9a9e, #fad0c4);
      border: none;
      border-radius: 20px;
      cursor: pointer;
      font-weight: bold;
    }

    .popup {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0,0,0,0.8);
      display: none;
      justify-content: center;
      align-items: center;
      z-index: 999;
    }

    .popup img {
      max-width: 80%;
      max-height: 80%;
      border-radius: 10px;
    }

    #closePopup {
      position: absolute;
      top: 30px;
      right: 50px;
      font-size: 2rem;
      color: white;
      cursor: pointer;
    }
  </style>