/* General Reset */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: Instrument Sans, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", "Liberation Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
      font-weight: 400;
      background-color: #f0f0f0;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100vh;
      position: relative;
    }

    /* Form and Video Container */
    .form-container, .video-container {
      background: #ffffff;
      border: 1px solid #ddd;
      border-radius: 8px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
      padding: 15px;
      max-width: 720px;
      width: 100%;
      text-align: center;
    }
    
    #login-form input {
        font-family: Instrument Sans, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", "Liberation Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    }
    
    h1 {
      font-family: Lexend Deca, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", "Liberation Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"
;
      font-weight: 400;
      color: #2E5339;
      font-size: 1.5rem;
      margin-bottom: 15px;
      color: #333;
    }

    p {
      font-size: 1rem;
      margin-bottom: 15px;
      color: #555;
    }

    input, textarea {
      width: 90%;
      padding: 8px;
      margin: 10px 0;
      border: 1px solid #ccc;
      border-radius: 4px;
    }

    button {
      font-family: Lexend Deca, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", "Liberation Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";  
      background-color: #2E5339;
      color: white;
      border: none;
      padding: 10px 20px;
      cursor: pointer;
      border-radius: 4px;
      margin-top: 10px;
      font-weight: 600;
    }

    button:hover {
      background-color: #203A28;
    }

    .hidden {
      display: none;
    }

    video {
      width: 100%;
      border-radius: 6px;
    }

    /* Certificate Button */
    .certificate-btn {
      background-color: white;
      color: #B30B00;
      border: 2px solid #B30B00;
      padding: 10px 20px;
      cursor: pointer;
      border-radius: 4px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: background-color 0.3s, color 0.3s;
      margin-top: 20px;
    }

    .certificate-btn:hover,
    .certificate-btn:focus,
    .certificate-btn:active {
      background-color: #B30B00;
      color: white;
    }