.admin-container {
    max-width: 600px;
    margin: 60px auto;
    padding: 0 20px;
  }

  h1 {
    font-size: 28px;
    margin-bottom: 8px;
  }

  .subtitle {
    color: #555;
    margin-bottom: 32px;
  }

  .upload-card {
    background: #fff;
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  }

  label {
    display: block;
    font-weight: bold;
    margin-bottom: 8px;
  }

  input[type="file"] {
    display: block;
    width: 100%;
    padding: 10px;
    border: 2px dashed #aaa;
    border-radius: 8px;
    background: #f5f2ee;
    cursor: pointer;
    box-sizing: border-box;
    margin-bottom: 24px;
  }

  input[type="file"]:hover {
    border-color: #2363d2;
  }

  .upload-btn {
    background-color: #2363d2;
    color: #fff;
    border: none;
    padding: 12px 28px;
    border-radius: 10px;
    font-size: 16px;
    cursor: pointer;
    width: 100%;
  }

  .upload-btn:hover {
    background-color: #1a4fad;
  }

  .upload-btn:disabled {
    background-color: #888;
    cursor: not-allowed;
  }

  #status {
    margin-top: 20px;
    padding: 12px 16px;
    border-radius: 8px;
    display: none;
    font-weight: bold;
  }

  #status.success {
    background-color: #d4edda;
    color: #155724;
  }

  #status.error {
    background-color: #f8d7da;
    color: #721c24;
  }

  .spinner {
    display: none;
    margin-top: 16px;
    text-align: center;
    color: #555;
  }

  .email-block {
    background: #f5f2ee;
    border-radius: 12px;
    padding: 24px;
    margin-top: 24px;
  }

  .email-block-label {
    margin-top: 0;
    margin-bottom: 16px;
  }

  .email-field {
    margin-bottom: 16px;
  }

  .email-field-label {
    display: block;
    font-weight: bold;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #555;
    margin-bottom: 4px;
  }

  .email-text {
    background: #fff;
    border: 1px solid #ccc;
    border-radius: 8px;
    padding: 12px;
    white-space: pre-wrap;
    font-family: sans-serif;
    font-size: 14px;
    line-height: 1.6;
  }