body {
    background: #f5f7fb;
    color: #1e293b;
    font-size: 0.95rem;
}

.app-shell {
    min-height: 100vh;
    display: flex;
}

.sidebar {
    width: 270px;
    background: linear-gradient(180deg, #0f172a 0%, #111827 100%);
    color: #fff;
    padding: 1.25rem;
    box-shadow: 8px 0 24px rgba(15, 23, 42, 0.08);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    margin-bottom: 1.5rem;
}

.brand-badge {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #2563eb, #60a5fa);
    font-weight: 700;
}

.brand-title {
    font-weight: 700;
}

.brand-subtitle {
    color: rgba(255,255,255,0.65);
    font-size: 0.82rem;
}

.sidebar-nav .nav-link {
    color: rgba(255,255,255,0.8);
    border-radius: 12px;
    padding: 0.75rem 0.9rem;
    margin-bottom: 0.35rem;
}

.sidebar-nav .nav-link:hover,
.sidebar-nav .nav-link.active {
    background: rgba(255,255,255,0.12);
    color: #fff;
}

.main-content {
    flex: 1;
    min-width: 0;
}

.topbar {
    background: #fff;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid #e2e8f0;
}

.page-title {
    font-size: 1.4rem;
    font-weight: 700;
}

.content-wrap {
    padding: 1.5rem;
}

.card-soft {
    border: 0;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.stat-card {
    padding: 1.25rem;
}

.label-muted {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: #64748b;
    letter-spacing: 0.04em;
}

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #e2e8f0, #f8fafc);
}

.login-card {
    width: 100%;
    max-width: 430px;
    border: 0;
    border-radius: 24px;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
}

.table thead th {
    color: #64748b;
    font-size: 0.82rem;
    text-transform: uppercase;
}

.badge-soft {
    background: #dbeafe;
    color: #1d4ed8;
}

@media (max-width: 991.98px) {
    .app-shell {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
    }
}