body {
    margin: 0;
    padding: 0;
    background-color: #121212;
    color: #ffffff;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
  }

  .container {
    text-align: center;
    padding: 40px 30px;
    width: 90%;
    max-width: 500px;
    background: #1f1f1f;
    border-radius: 12px;
    box-shadow: 0 6px 15px rgba(0,0,0,0.5);
  }

  h2 {
    margin-bottom: 25px;
    font-size: 2rem;
    font-weight: 500;
  }

  form {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  input[type="email"] {
    width: 100%;
    padding: 16px;
    border-radius: 8px;
    border: 1px solid #444;
    background: #2c2c2c;
    color: #fff;
    font-size: 1rem;
    box-sizing: border-box;
  }

  input[type="email"]::placeholder {
    color: #888;
  }

  label {
    display: flex;
    align-items: center;
    font-size: 1rem;
    color: #ddd;
  }

  label input[type="checkbox"] {
    margin-right: 12px;
    width: 20px;
    height: 20px;
  }

  .image-selector {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: -10px;
  }

  .selectable-image {
    width: 100%;
    height: 85px;
    object-fit: cover;
    cursor: pointer;
    border-radius: 6px;
    border: 2px solid transparent;
    position: relative;
    transition: border-color 0.3s;
  }

  .selectable-image:hover {
    border-color: #0063c8;
  }

  button {
    padding: 16px;
    border-radius: 8px;
    border: none;
    background-color: #0063c8;
    color: #fff;
    font-size: 1rem;
    font-weight: bold;
    text-transform: uppercase;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
  }

  button svg {
    margin-left: 10px;
    width: 18px;
    height: 18px;
    fill: currentColor;
    transition: transform 0.3s;
  }

  button:hover:not(:disabled) {
    background-color: #004a9f;
    transform: scale(1.02);
  }

  button:disabled {
    background-color: #555;
    cursor: not-allowed;
  }

  #statusMessage {
    margin-top: 15px;
    font-size: 0.95rem;
  }

  .disabled-form * {
    pointer-events: none;
    opacity: 0.5;
  }

  @media (max-width: 480px) {
    .container {
      padding: 30px 20px;
    }
    h2 { font-size: 1.6rem; }
    button { font-size: 1rem; }
  }