body {
    min-height: 100vh;
    margin: 0;
    background: linear-gradient(135deg, #0d6efd 0%, #163a66 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: Arial, Helvetica, sans-serif;
}

.login-container {
    width: 100%;
    max-width: 430px;
    padding: 20px;
}

.login-card {
    background: #ffffff;
    border: none;
    border-radius: 18px;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.25);
    overflow: hidden;
}

.login-header {
    background: #0d6efd;
    color: #ffffff;
    text-align: center;
    padding: 28px 20px;
}

.login-header h1 {
    font-size: 1.65rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.login-header p {
    margin: 0;
    opacity: 0.9;
}

.login-body {
    padding: 30px;
}

.form-label {
    font-weight: 600;
}

.form-control {
    min-height: 46px;
    border-radius: 10px;
}

.btn-login {
    min-height: 48px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1.05rem;
}

.login-footer {
    text-align: center;
    color: #6c757d;
    font-size: 0.85rem;
    padding-top: 20px;
}

@media (max-width: 576px) {
    .login-container {
        padding: 12px;
    }

    .login-body {
        padding: 24px 20px;
    }

    .login-header {
        padding: 24px 15px;
    }

    .login-header h1 {
        font-size: 1.4rem;
    }
}