body {
    background-color: #f4f6f9;
    font-family: 'Segoe UI', 'Noto Sans Bengali', Arial, sans-serif;
}

.app-navbar {
    background: linear-gradient(135deg, #1e3a8a, #2563eb);
}

.stat-card {
    border-radius: 14px;
    transition: transform .15s ease;
}
.stat-card:hover {
    transform: translateY(-3px);
}

.card {
    border-radius: 14px;
}

.login-body {
    background: linear-gradient(135deg, #1e3a8a, #2563eb);
}

.login-card {
    width: 100%;
    max-width: 420px;
    border-radius: 18px;
    border: none;
}

.table thead {
    background-color: #f8f9fa;
}

.navbar-nav .nav-link.active {
    font-weight: bold;
    border-bottom: 2px solid #fff;
}

::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-thumb {
    background: #c1c9d6;
    border-radius: 4px;
}