body {
      margin: 0;
      font-family: 'Segoe UI', sans-serif;
      background: #f9f9f9;
    }

    header {
      background: #dfdfdf;
      position: sticky;
      top: 0;
      z-index: 1000;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0.5rem 1rem;
      flex-wrap: nowrap;
    }

    .logo-crop {
      max-width: 180px;
      height: 60px;
      overflow: hidden;
      flex-shrink: 0;
    }

    .logo-crop img {
      width: 100%;
      height: auto;
      position: relative;
      top: -60px;
      display: block;
    }

    .nav-toggle {
      display: none;
    }

    .nav-label {
      display: none;
      font-size: 1.8rem;
      color: black;
      cursor: pointer;
    }

    nav {
      display: flex;
      gap: 1.5rem;
    }

    nav button {
      background: none;
      border: none;
      font-size: 0.95rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      cursor: pointer;
      padding: 0.75rem 1rem;
      color: black;
      transition: color 0.2s ease;
    }

    nav button:hover {
      color: #0070f3;
    }

    .caret {
      font-size: 0.7em;
      margin-left: 0.3em;
    }

    .dropdown {
      position: relative;
    }

    .dropdown-content {
      display: none;
      position: absolute;
      top: 100%;
      right: 0;
      background-color: white;
      border: 1px solid #ccc;
      border-radius: 6px;
      min-width: 220px;
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
      padding: 0.5rem 0;
      z-index: 1;
    }

    .dropdown-content a {
      display: block;
      padding: 0.6rem 1rem;
      color: #333;
      font-size: 0.95rem;
      text-decoration: none;
    }

    .dropdown-content a:hover {
      background-color: #f2f2f2;
    }

    .dropdown:hover .dropdown-content {
      display: block;
    }

    @media (max-width: 768px) {
      .header-inner {
        flex-wrap: wrap;
      }

      .nav-label {
        display: block;
        margin-left: auto;
        padding: 0.5rem 1rem;
      }

      nav {
        display: none;
        flex-direction: column;
        width: 100%;
        padding: 0 1rem 1rem;
      }

      .nav-toggle:checked + .nav-label + nav {
        display: flex;
      }

      .dropdown {
        width: 100%;
      }

      .dropdown > button {
        width: 100%;
        text-align: left;
        padding: 0.75rem 0;
        border-top: 1px solid #ccc;
      }

      .dropdown-content {
        position: static;
        background: none;
        border: none;
        box-shadow: none;
        padding-left: 1rem;
      }

      .dropdown-content a {
        color: #000;
      }
    }

    main {
      max-width: 1000px;
      margin: 2rem auto;
      padding: 1rem;
    }

    .tool-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 1.5rem;
      margin-top: 2rem;
    }

    .tool-card {
      background: white;
      border: 1px solid #ddd;
      border-radius: 8px;
      padding: 1rem;
      box-shadow: 0 2px 6px rgba(0,0,0,0.04);
    }

    .tool-card h3 {
      margin-top: 0;
      font-size: 1.1rem;
      margin-bottom: 0.5rem;
    }

    .tool-card a {
      display: block;
      color: #0070f3;
      text-decoration: none;
      margin: 0.25rem 0;
      font-size: 0.95rem;
    }

    .tool-card a:hover {
      text-decoration: underline;
    }
    
      #app-container {
    width: 95%;
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  }

    footer {
      background: #222;
      color: #ccc;
      text-align: center;
      padding: 1rem;
      margin-top: 3rem;
    }

    footer a {
      color: #ccc;
      margin: 0 1rem;
      text-decoration: none;
    }

    footer a:hover {
      text-decoration: underline;
    }