body {
      background-color: #0a1f44;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      color: #ffffff;
      margin: 0;
      padding: 0;
    }

    .container {
      max-width: 600px;
      margin: 50px auto;
      padding: 30px;
      background-color: #112a56;
      border-radius: 12px;
      box-shadow: 0 0 15px rgba(0, 140, 255, 0.5);
    }

    h2, h3 {
      text-align: center;
      color: #00b4ff;
      margin-bottom: 20px;
    }

    form {
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    input[type="text"], input[type="file"] {
      padding: 10px;
      border: none;
      border-radius: 6px;
      font-size: 16px;
      background-color: #1b3969;
      color: #fff;
    }

    button {
      padding: 12px;
      background: linear-gradient(90deg, #007bff, #00d0ff);
      color: white;
      font-weight: bold;
      border: none;
      border-radius: 6px;
      font-size: 16px;
      cursor: pointer;
      transition: background 0.3s ease;
    }

    button:hover {
      background: linear-gradient(90deg, #005bb5, #00a6cc);
    }

    video {
      display: block;
      margin: 0 auto;
      border: 3px solid #00b4ff;
      border-radius: 8px;
    }

    hr {
      border: 1px solid #00b4ff;
    }

    canvas {
      display: none;
    }

    .note {
      text-align: center;
      font-size: 13px;
      color: #aaa;
      margin-top: -10px;
    }

    /* Modal Styles */
    .modal {
      display: none;
      position: fixed;
      z-index: 999;
      padding-top: 50px;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      overflow: auto;
      background-color: rgba(0,0,0,0.85);
    }

    .modal-content {
      background-color: #1b3969;
      margin: auto;
      padding: 20px;
      border: 1px solid #00b4ff;
      width: 90%;
      max-width: 500px;
      border-radius: 10px;
      text-align: center;
    }

    .modal-content h3 {
      color: #00b4ff;
    }

    .close {
      color: #fff;
      float: right;
      font-size: 28px;
      font-weight: bold;
      cursor: pointer;
    }

    .modal-buttons {
      margin-top: 10px;
    }

    .modal-buttons button {
      margin: 5px;
    }