body {
    background: #f4f7fb;
    color: #1e293b;
    font-family: 'Segoe UI', sans-serif;
}

.navbar {
    background: linear-gradient(135deg, #0d6efd, #0b5ed7);
}

.sidebar-card {
    background: #fff;
    border-radius: 1rem;
    padding: 1.25rem;
    box-shadow: 0 0.75rem 1.5rem rgba(15, 23, 42, 0.08);
}

.nav-link-item {
    display: block;
    padding: 0.7rem 0.9rem;
    border-radius: 0.75rem;
    color: #1f2937;
    text-decoration: none;
    font-weight: 600;
    background: #eef3ff;
}

.nav-link-item.active,
.nav-link-item:hover {
    background: #dfe9ff;
    color: #0b5ed7;
}

.brand-badge {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    margin: 0 auto;
    font-weight: 700;
    background: linear-gradient(135deg, #0d6efd, #2d6cdf);
    color: white;
    box-shadow: 0 1rem 2rem rgba(13, 110, 253, 0.25);
}

.card {
    border-radius: 1rem;
}

.table th,
.table td {
    vertical-align: middle;
}