.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: #1f2937;
    color: #fff;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-badge { background: #25D366; color: white; padding: 5px 12px; border-radius: 5px; font-weight: bold; }
.admin-shell { display: flex; min-height: 90vh; background: #f3f4f6; }
.admin-sidebar { width: 240px; background: white; padding: 20px; border-right: 1px solid #e5e7eb; }
.admin-content { flex: 1; padding: 20px; }
.section-card { background: white; padding: 20px; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); }
.stat-card { padding: 15px; border-radius: 8px; background: #f9fafb; border: 1px solid #e5e7eb; }
.toast-container { position: fixed; bottom: 20px; right: 20px; }