:root {
    --login-primary: #2563eb;
    --login-secondary: #1d4ed8;
    --login-dark: #111827;
}

html,
body {
    min-height: 100%;
}

    body.login-page {
        margin: 0;
        background-color: #f4f7fb;
    }

.login-shell {
    display: grid;
    min-height: 100vh;
    grid-template-columns: minmax(360px, 42%) 1fr;
}

.login-brand-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 50px;
    background: linear-gradient( 145deg, var(--login-dark), #1f2937 );
    color: #fff;
}

.login-brand-content {
    max-width: 480px;
}

.login-logo {
    display: inline-flex;
    width: 72px;
    height: 72px;
    align-items: center;
    justify-content: center;
    margin-bottom: 26px;
    border-radius: 20px;
    background-color: var(--login-primary);
    font-size: 2rem;
    box-shadow: 0 18px 35px rgba(0, 0, 0, 0.25);
}

.login-brand-content h1 {
    margin-bottom: 16px;
    font-size: clamp(2.1rem, 4vw, 3.5rem);
    font-weight: 800;
}

.login-brand-content p {
    margin: 0;
    color: rgba(255, 255, 255, 0.72);
    font-size: 1.05rem;
    line-height: 1.7;
}

.login-form-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
}

.login-card {
    width: 100%;
    max-width: 460px;
    padding: 42px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 22px;
    background-color: #fff;
    box-shadow: 0 22px 50px rgba(15, 23, 42, 0.1);
}

    .login-card .form-control,
    .login-card .input-group-text {
        min-height: 48px;
    }

        .login-card .form-control:focus {
            border-color: var(--login-primary);
            box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.15);
        }

    .login-card .btn-primary {
        border-color: var(--login-primary);
        background-color: var(--login-primary);
        font-weight: 600;
    }

        .login-card .btn-primary:hover {
            border-color: var(--login-secondary);
            background-color: var(--login-secondary);
        }

@media (max-width: 900px) {
    .login-shell {
        grid-template-columns: 1fr;
    }

    .login-brand-panel {
        min-height: 280px;
        padding: 40px 24px;
        text-align: center;
    }

    .login-logo {
        margin-bottom: 18px;
    }
}

@media (max-width: 575px) {
    .login-form-panel {
        padding: 24px 16px;
    }

    .login-card {
        padding: 28px 22px;
        border-radius: 16px;
    }
}