/* ── Mobile Off-Canvas Drawer — Sprint 20 ── */

.mobile-drawer-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 90;
    opacity: 0;
    transition: opacity 0.2s ease;
}
.mobile-drawer-backdrop.open {
    display: block;
    opacity: 1;
}

/* Body scroll-lock while the drawer is open */
body.drawer-open {
    overflow: hidden;
}

@media (min-width: 769px) {
    .mobile-drawer-backdrop { display: none !important; }
}

@media (prefers-reduced-motion: reduce) {
    .mobile-drawer-backdrop { transition: none; }
}