@import url('https://fonts.googleapis.com/css2?family=Special+Elite&display=swap');

    body {
      background-color: #0a1f44;
      font-family: 'Special Elite', Courier, monospace;
      color: #f0f0f0;
      margin: 0;
      padding: 0;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100vh;
    }

    .container {
      background: #111e3e; /* dark navy */
      border: 5px solid #00d0ff; /* neon cyan border */
      border-radius: 20px;
      box-shadow: 0 0 30px #00d0ff;
      padding: 30px 40px;
      width: 700px;
      max-width: 95vw;
      text-align: center;
      position: relative;
      color: #00d0ff;
    }

    .container::before {
      content: "POLICE";
      position: absolute;
      top: 20px;
      left: 50%;
      transform: translateX(-50%);
      font-size: 64px;
      font-weight: 900;
      letter-spacing: 10px;
      color: #00ffff;
      text-shadow: 0 0 8px #00ffff, 0 0 20px #00d0ff;
      user-select: none;
      font-family: 'Special Elite', Courier, monospace;
      pointer-events: none;
    }

    h2 {
      margin-top: 100px;
      font-size: 28px;
      color: #00ffff;
      text-transform: uppercase;
      letter-spacing: 4px;
      margin-bottom: 30px;
    }

    canvas#canvas {
      border: 3px solid #00d0ff;
      border-radius: 15px;
      box-shadow: 0 0 15px #00d0ff;
      max-width: 100%;
      display: block;
      margin: 0 auto 25px auto;
      background-color: #001433;
    }

    button {
      margin: 10px 8px 0 8px;
      padding: 12px 28px;
      background: linear-gradient(90deg, #007bff, #00d0ff);
      color: white;
      font-weight: 700;
      border: none;
      border-radius: 30px;
      font-size: 16px;
      cursor: pointer;
      transition: background 0.3s ease;
      font-family: 'Special Elite', Courier, monospace;
      box-shadow: 0 0 12px #00d0ff;
    }
    button:hover {
      background: linear-gradient(90deg, #005bb5, #00a6cc);
      box-shadow: 0 0 20px #00ffff;
    }

    #hiddenUploadBtn {
      display: none;
    }

    .note {
      margin-top: 15px;
      font-size: 14px;
      color: #66e0ffcc;
      font-style: italic;
      user-select: none;
    }