:root {
    --app-bg: #f5f7fb;
    --app-primary: #0d6efd;
}

body {
    background: var(--app-bg);
}

.login-bg {
    min-height: 100vh;
    background: linear-gradient(135deg, #eef5ff, #ffffff);
}

.navbar-brand {
    letter-spacing: -0.02em;
}

.card {
    overflow: hidden;
}

.chart-wrap {
    height: 360px;
}

@media (max-width: 576px) {
    .chart-wrap {
        height: 300px;
    }

    .table {
        font-size: 0.9rem;
    }
}