body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background: linear-gradient(135deg, #74ebd5 0%, #9face6 100%);
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
      margin: 0;
    }
    .form-container {
      background: #fff;
      padding: 30px;
      border-radius: 12px;
      box-shadow: 0 8px 20px rgba(0,0,0,0.15);
      width: 350px;
    }
    .form-container h2 {
      text-align: center;
      margin-bottom: 20px;
      color: #333;
    }
    .form-group {
      margin-bottom: 15px;
    }
    .form-group label {
      display: block;
      margin-bottom: 6px;
      font-weight: 600;
      color: #555;
    }
    .form-group input {
      width: 100%;
      padding: 10px;
      border: 1px solid #ccc;
      border-radius: 8px;
      outline: none;
      transition: border-color 0.3s;
    }
    .form-group input:focus {
      border-color: #6a5acd;
    }
    .submit-btn {
      width: 100%;
      padding: 12px;
      background: #6a5acd;
      color: #fff;
      border: none;
      border-radius: 8px;
      font-size: 16px;
      cursor: pointer;
      transition: background 0.3s;
    }
    .submit-btn:hover {
      background: #483d8b;
    }