body {
      font-family: "Inter", Arial, sans-serif;
      margin: 0;
      background: #000;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
    }

    .card {
      background: #fff;
      padding: 40px 35px;
      border-radius: 16px;
      box-shadow: 0 6px 24px rgba(0,0,0,0.25);
      text-align: center;
      width: 400px; /* increased width for better alignment */
      box-sizing: border-box;
    }

    .logo {
      display: block;
      margin: 0 auto 20px;
      width: 80px;
      height: 80px;
      object-fit: contain;
    }

    h2 {
      font-size: 24px;
      font-weight: 700;
      margin-bottom: 8px;
      color: #222;
    }

    p {
      margin-bottom: 28px;
      font-size: 15px;
      color: #555;
    }

    .input-group {
      text-align: left;
      margin-bottom: 20px;
    }

    label {
      font-size: 14px;
      font-weight: 600;
      color: #333;
      display: block;
      margin-bottom: 6px;
    }

    input {
      width: 100%;
      box-sizing: border-box;
      padding: 14px 16px;
      border: 1px solid #ccc;
      border-radius: 8px;
      font-size: 16px; /* increased font size */
      outline: none;
      transition: border 0.3s ease, box-shadow 0.3s ease;
    }

    input:focus {
      border-color: #a601fe;
      box-shadow: 0 0 0 3px rgba(166,1,254,0.1);
    }

    .field-error {
      font-size: 13px;
      color: rgb(190, 14, 14);
      margin-top: 6px;
      display: none;
    }

    button {
      width: 100%;
      padding: 14px;
      background: #a601fe;
      border: none;
      border-radius: 8px;
      font-size: 17px;
      font-weight: 600;
      color: white;
      cursor: pointer;
      transition: background 0.3s ease;
      margin-top: 10px;
    }

    button:hover:not(:disabled) {
      background: #8d01d5;
    }

    button:disabled {
      opacity: 0.7;
      cursor: not-allowed;
    }

    .loading-spinner {
      border: 3px solid #fff;
      border-top: 3px solid #a601fe;
      border-radius: 50%;
      width: 16px;
      height: 16px;
      animation: spin 1s linear infinite;
      display: inline-block;
      margin-left: 8px;
      vertical-align: middle;
    }

    @keyframes spin {
      0% { transform: rotate(0deg); }
      100% { transform: rotate(360deg); }
    }

    .error-message {
      background: #f8d7da;
      color: #721c24;
      padding: 12px;
      margin-top: 16px;
      border-radius: 6px;
      font-size: 14px;
      display: none;
      text-align: left;
    }

    .footer {
      font-size: 14px;
      color: #666;
      margin-top: 20px;
    }

    .footer a {
      color: #a601fe;
      text-decoration: none;
      font-weight: 600;
    }