body {
            background-color: #800020;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            padding-top: 80px;
        }
        .navbar {
            background-color: #800020;
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 10;
            padding: 10px 20px;
        }
        .navbar-brand {
            color: white;
            font-weight: bold;
        }
        .login-container {
            background-color: #fff;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
            text-align: center;
            width: 100%;
            max-width: 400px;
        }
        .logo {
            max-width: 230px;
            height: auto;
            margin-bottom: 20px;
        }
        .btn-custom {
            background-color: #800020;
            color: #fff;
            font-weight: bold;
            width: 100%;
            transition: 0.3s;
        }
        .btn-custom:hover {
            background-color: #a52a2a;
        }
        .form-check {
            text-align: left;
        }