body {
      margin: 0;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background-color: #f9f9f9;
      color: #333;
      line-height: 1.4;
    }
    a { text-decoration: none; color: inherit; }

    /* Header */
    header {
      display: flex;
      align-items: center;
      padding: 8px 20px;
      background-color: #fff;
      box-shadow: 0 1px 3px rgba(0,0,0,0.1);
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .logo {
      display: flex;
      align-items: center;
      font-size: 20px;
      font-weight: bold;
      cursor: pointer;
      color: #3498db;
    }
    .logo img {
      width: 35px;
      height: 35px;
      margin-right: 8px;
      transition: transform 0.3s ease-in-out;
    }
    .logo:hover img {
      transform: translateX(10px) rotate(20deg);
    }

    /* Main Search Section */
    .main-search-section {
      display: flex;
      flex-direction: column;
      align-items: center;
      margin: 25px auto 15px;
      padding: 0 20px;
      max-width: 750px;
    }
    .search-title {
      font-size: 24px;
      margin-bottom: 20px;
      color: #2c3e50;
      text-align: center;
    }
    .main-search-container {
      display: flex;
      width: 100%;
      max-width: 600px;
      gap: 8px;
      margin-bottom: 10px;
    }
    .main-search-input {
      flex: 1;
      padding: 14px 20px;
      border-radius: 24px;
      border: 1px solid #dfe1e5;
      font-size: 16px;
      outline: none;
      transition: box-shadow 0.2s;
      box-shadow: 0 1px 4px rgba(32,33,36,0.08);
    }
    .main-search-input:focus {
      box-shadow: 0 1px 6px rgba(32,33,36,0.15);
      border-color: #3498db;
    }
    .main-crawl-button {
      padding: 14px 24px;
      border: none;
      border-radius: 24px;
      background-color: #3498db;
      color: #fff;
      font-size: 16px;
      font-weight: 600;
      cursor: pointer;
      transition: background 0.2s;
      white-space: nowrap;
    }
    .main-crawl-button:hover {
      background-color: #2980b9;
    }
    .search-hint {
      font-size: 13px;
      color: #666;
      text-align: center;
      margin-top: 8px;
    }
    .value-proposition {
      font-size: 14px;
      color: #555;
      text-align: center;
      margin-top: 15px;
      max-width: 600px;
    }

    /* Alert boxes */
    .alert {
      max-width: 600px;
      margin: 20px auto;
      padding: 15px 20px;
      border-radius: 8px;
      font-size: 14px;
    }
    .alert-success {
      background-color: #d4edda;
      color: #155724;
      border: 1px solid #c3e6cb;
    }
    .alert-error {
      background-color: #f8d7da;
      color: #721c24;
      border: 1px solid #f5c6cb;
    }
    .crawl-info {
      background-color: #fff;
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 4px rgba(0,0,0,0.1);
      margin: 10px 0;
    }
    .crawl-info h3 {
      margin-top: 0;
      color: #2c3e50;
    }
    .crawl-info p {
      margin: 8px 0;
    }
    .crawl-info strong {
      color: #3498db;
    }
    .notify-form {
      margin-top: 20px;
      padding: 15px;
      background-color: #f8f9fa;
      border-radius: 8px;
    }
    .notify-form input[type="email"] {
      width: calc(100% - 24px);
      padding: 10px 12px;
      border: 1px solid #ddd;
      border-radius: 4px;
      font-size: 14px;
      margin: 10px 0;
    }
    .notify-form button {
      padding: 10px 20px;
      background-color: #28a745;
      color: white;
      border: none;
      border-radius: 4px;
      cursor: pointer;
      font-size: 14px;
    }
    .notify-form button:hover {
      background-color: #218838;
    }

    /* Stats */
    .stats {
      text-align: center;
      margin: 20px auto;
      font-size: 15px;
      background-color: #fff;
      padding: 12px;
      border-radius: 8px;
      max-width: 700px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    }
    .stats span {
      margin: 0 12px;
      font-weight: bold;
      color: #3498db;
    }

    /* Recent Crawls */
    .recent-crawls {
      max-width: 700px;
      margin: 25px auto;
      padding: 0 20px;
    }
    .section-title {
      font-size: 18px;
      font-weight: 600;
      color: #2c3e50;
      margin-bottom: 15px;
    }
    .result-card {
      background-color: #fff;
      padding: 14px 16px;
      border-radius: 6px;
      margin-bottom: 12px;
      box-shadow: 0 1px 3px rgba(32,33,36,0.08);
      transition: box-shadow 0.2s;
      border-left: 3px solid transparent;
    }
    .result-card:hover {
      box-shadow: 0 1px 5px rgba(32,33,36,0.12);
      border-left-color: #3498db;
    }
    .result-url {
      color: #202124;
      font-size: 13px;
      margin-bottom: 4px;
    }
    .result-title {
      font-size: 18px;
      color: #1a0dab;
      margin-bottom: 6px;
      font-weight: 500;
      line-height: 1.3;
    }
    .result-title:hover {
      text-decoration: underline;
    }
    .result-description {
      color: #4d5156;
      font-size: 14px;
      line-height: 1.4;
      margin-bottom: 6px;
    }
    .result-meta {
      display: flex;
      flex-wrap: wrap;
      margin-top: 6px;
      font-size: 12px;
      color: #666;
    }
    .meta-item {
      margin-right: 16px;
      display: flex;
      align-items: center;
    }
    .ssl-grade {
      display: inline-block;
      padding: 1px 6px;
      border-radius: 10px;
      font-weight: bold;
      font-size: 11px;
      margin-left: 4px;
    }
    .ssl-a { background-color: #d4edda; color: #155724; }
    .ssl-b { background-color: #fff3cd; color: #856404; }
    .ssl-c { background-color: #f8d7da; color: #721c24; }
    .ssl-a-plus { background-color: #d1ecf1; color: #0c5460; }

    /* Pagination */
    .pagination {
      display: flex;
      justify-content: center;
      align-items: center;
      margin: 25px 0 30px;
      gap: 6px;
    }
    .pagination a, .pagination span {
      padding: 8px 14px;
      border: 1px solid #ddd;
      background-color: #fff;
      color: #3498db;
      text-decoration: none;
      border-radius: 4px;
      font-size: 14px;
      transition: all 0.2s;
    }
    .pagination a:hover {
      background-color: #f5f5f5;
      border-color: #ccc;
    }
    .pagination .active {
      background-color: #3498db;
      color: white;
      border-color: #3498db;
    }
    .pagination .disabled {
      background-color: #f5f5f5;
      color: #aaa;
      cursor: not-allowed;
      pointer-events: none;
    }
    .page-info {
      font-size: 14px;
      color: #666;
      margin: 0 10px;
    }

    /* Search Section */
    .search-section {
      display: flex;
      justify-content: center;
      margin: 25px 20px 30px;
      gap: 8px;
      flex-wrap: wrap;
    }
    .search-section input {
      width: 350px;
      max-width: 90%;
      padding: 10px 16px;
      border-radius: 20px;
      border: 1px solid #ccc;
      font-size: 14px;
      outline: none;
      transition: border 0.2s;
    }
    .search-section input:focus {
      border-color: #3498db;
    }
    .search-section a {
      padding: 10px 20px;
      border: none;
      border-radius: 20px;
      background-color: #3498db;
      color: #fff;
      font-size: 14px;
      cursor: pointer;
      transition: background 0.2s;
      display: inline-block;
    }
    .search-section a:hover {
      background-color: #2980b9;
    }

    /* Footer */
    footer {
      background-color: #fff;
      padding: 15px 10px;
      text-align: center;
      font-size: 13px;
      color: #777;
      border-top: 1px solid #ddd;
      margin-top: 30px;
    }
    footer a {
      margin: 0 6px;
      color: #3498db;
      transition: color 0.2s;
    }
    footer a:hover {
      color: #2980b9;
      text-decoration: underline;
    }

    /* Responsive */
    @media (max-width: 768px) {
      .main-search-container {
        flex-direction: column;
        align-items: center;
      }
      .main-search-input, .main-crawl-button {
        width: 100%;
        max-width: 100%;
      }
      .main-crawl-button {
        margin-top: 8px;
      }
      .search-section {
        flex-direction: column;
        align-items: center;
        margin: 20px 15px 25px;
      }
      .search-section input, .search-section a {
        width: 100%;
      }
      .stats {
        font-size: 14px;
        padding: 10px;
        margin: 15px 15px;
      }
      .stats span {
        display: inline-block;
        margin: 0 8px;
      }
      .result-card {
        padding: 12px 14px;
        margin-bottom: 10px;
      }
      .result-title {
        font-size: 16px;
      }
      .pagination a, .pagination span {
        padding: 6px 10px;
        font-size: 13px;
      }
    }