body {
      margin: 0;
      padding: 0;
      min-height: 100vh;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
   background-image: radial-gradient(circle at 74.6% -2.76%, #bbf9ee 0, #a3f0ea 12.5%, #88e6e6 25%, #65dbe3 37.5%, #31cfe1 50%, #00c2e0 62.5%, #00b6e1 75%, #00abe2 87.5%, #00a0e4 100%);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }

    header {
      text-align: center;
      margin-bottom: 30px;
    }

    header h1 {
      color: white;
      font-size: 2.5rem;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    }

    .login-container {
   
      padding: 40px 30px;
      border-radius: 15px;
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
      width: 100%;
      max-width: 400px;
    }

    .login-container h2 {
      text-align: center;
      color: #333;
      margin-bottom: 25px;
    }

    .form-group {
      margin-bottom: 20px;
    }

    label {
      display: block;
      margin-bottom: 6px;
      color: #555;
    }

    input[type="text"],
    input[type="password"] {
      width: 100%;
      padding: 10px;
      border-radius: 8px;
      border: 1px solid #ccc;
      box-sizing: border-box;
      font-size: 16px;
    }

    button {
      width: 100%;
      padding: 12px;
      background-color: #59a5ea;
      border: none;
      color: white;
      font-size: 16px;
      font-weight: bold;
      border-radius: 8px;
      cursor: pointer;
      transition: background-color 0.3s ease;
    }

    button:hover {
      background-color: #3f85c5;
    }

    .error-message {
      color: red;
      text-align: center;
      font-size: 14px;
      margin-bottom: 15px;
    }