/* Touch-friendly minimum sizes */
button, [role="button"] {
    min-height: 44px;
    min-width: 44px;
}

/* Smooth dark mode transition */
*, *::before, *::after {
    transition-property: background-color, border-color, color;
    transition-duration: 200ms;
    transition-timing-function: ease-in-out;
}

/* Custom sidebar scrollbar */
#sidebar nav {
    scrollbar-width: thin;
    scrollbar-color: #94a3b8 transparent;
}
#sidebar nav::-webkit-scrollbar {
    width: 4px;
}
#sidebar nav::-webkit-scrollbar-track {
    background: transparent;
}
#sidebar nav::-webkit-scrollbar-thumb {
    background-color: #94a3b8;
    border-radius: 4px;
}
.dark #sidebar nav {
    scrollbar-color: #475569 transparent;
}
.dark #sidebar nav::-webkit-scrollbar-thumb {
    background-color: #475569;
}

/* PIN pad active state */
.key-btn:active {
    transform: scale(0.95);
}

/* Flash message auto-fade */
.flash-message {
    animation: fadeIn 0.2s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Dark mode specific overrides */
.dark ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
.dark ::-webkit-scrollbar-track {
    background: #1e293b;
}
.dark ::-webkit-scrollbar-thumb {
    background-color: #475569;
    border-radius: 4px;
}

/* Mobile bottom tab bar */
.mobile-tab-bar {
    padding-bottom: env(safe-area-inset-bottom, 0px);
}

/* Mobile cart panel smooth transition */
.mobile-panel {
    transition: opacity 0.15s ease-in-out;
}

/* Responsive: ensure proper tap targets on mobile */
@media (max-width: 767px) {
    .nav-item {
        padding: 12px;
    }
}

/* Menu item grid styling */
.menu-item {
    aspect-ratio: 1 / 1;
}
.menu-item img {
    aspect-ratio: 4 / 3;
    object-fit: cover;
}
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}