body {
    background-color: #050f3b; /* Pure dark background for whole page */
    color: #fff;
    overflow-x: hidden;
}

.login-card {
    background: #0c1f75; /* Card color */
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

/* Control Laptop View Width */
@media (min-width: 992px) {
    .login-card {
        min-width: 400px;
    }
}

/* Mobile Devices Optimization */
@media (max-width: 576px) {
    .login-card {
        padding: 25px 20px;
        border-radius: 12px;
        margin-top: 20px;
    }

    h3 {
        font-size: 1.5rem;
    }
}

.form-control {
    background: #0c1f75;
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff !important;
}

    .form-control:focus {
        background: #050f3b;
        border-color: #0dcaf0;
        box-shadow: 0 0 8px rgba(13, 202, 240, 0.3);
    }

    .form-control::placeholder {
        color: rgba(255,255,255,0.5);
        font-size: 0.9rem;
    }

.validation-message {
    color: #ff4d4d;
    font-size: 0.8rem;
    margin-top: 4px;
    display: block;
}

.btn-primary {
    background-color: #0d6efd;
    border: none;
    transition: 0.3s;
}

    .btn-primary:hover {
        background-color: #0b5ed7;
        transform: translateY(-2px);
    }