body {
            background-color: #121212;
            color: #e0e0e0;
        }

        .login-container {
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .login-card {
            background-color: #1e1e1e;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 0 15px rgba(0, 0, 0, 0.6);
            width: 100%;
            max-width: 400px;
        }

        .form-control {
            background-color: #2b2b2b;
            color: #fff;
            border: 1px solid #444;
        }

        .form-control:focus {
            background-color: #333;
            color: #fff;
            border-color: #0d6efd;
            box-shadow: none;
        }

        .btn-primary {
            background-color: #0d6efd;
            border: none;
        }

        .btn-primary:hover {
            background-color: #0b5ed7;
        }

        .form-control {
            font-family: 'Calibri', sans-serif;
            font-size: 17px;
        }