body {
      font-family: 'Roboto', sans-serif;
      background: linear-gradient(135deg, #89f7fe, #66a6ff);
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
      margin: 0;
    }

    .form-container {
      background-color: white;
      padding: 40px 30px;
      border-radius: 16px;
      box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
      width: 100%;
      max-width: 400px;
    }

    h1 {
      text-align: center;
      margin-bottom: 25px;
      font-weight: 700;
      color: #333;
    }

    .form-control {
      border-radius: 10px;
      padding: 12px;
      font-size: 16px;
      margin-bottom: 15px;
    }

    .btn-reset {
      background: linear-gradient(to right, #36d1dc, #5b86e5);
      color: white;
      font-weight: bold;
      border: none;
      padding: 12px;
      width: 100%;
      border-radius: 10px;
      transition: background 0.3s ease;
    }

    .btn-reset:hover {
      background: linear-gradient(to right, #5b86e5, #36d1dc);
    }

    .alert-danger {
      background-color: #ffe5e5;
      color: #d9534f;
      padding: 10px;
      border-radius: 8px;
      font-size: 14px;
      text-align: center;
      margin-bottom: 15px;
    }