/**
 * Category Drill-Down — mobile native-style navigation
 */

.category-drilldown {
    position: fixed;
    inset: 0;
    z-index: 10001;
    pointer-events: none;
    visibility: hidden;
}

.category-drilldown.is-open {
    pointer-events: auto;
    visibility: visible;
}

.category-drilldown-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    opacity: 0;
    transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity;
}

.category-drilldown.is-open .category-drilldown-backdrop {
    opacity: 1;
}

.category-drilldown-sheet {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    max-height: min(88vh, 640px);

    background: #FFFFFF;
    border-radius: 24px 24px 0 0;
    box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.12);

    display: flex;
    flex-direction: column;
    overflow: hidden;

    transform: translate3d(0, 100%, 0);
    transition: transform 0.25s cubic-bezier(0.32, 0.72, 0, 1);
    will-change: transform;
}

.category-drilldown.is-open .category-drilldown-sheet {
    transform: translate3d(0, 0, 0);
}

body.dark-mode .category-drilldown-sheet {
    background: #1E293B;
    box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.4);
}

.category-drilldown-handle {
    width: 36px;
    height: 4px;
    background: #CBD5E1;
    border-radius: 999px;
    margin: 10px auto 0;
    flex-shrink: 0;
}

body.dark-mode .category-drilldown-handle {
    background: #475569;
}

.category-drilldown-view {
    display: none;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    animation: drilldown-slide-in 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-drilldown-view.is-active {
    display: flex;
}

@keyframes drilldown-slide-in {
    from {
        opacity: 0;
        transform: translate3d(24px, 0, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

.category-drilldown-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-bottom: 1px solid #F1F5F9;
    flex-shrink: 0;
    min-height: 52px;
}

body.dark-mode .category-drilldown-header {
    border-bottom-color: #334155;
}

.category-drilldown-title {
    margin: 0;
    flex: 1;
    font-size: 17px;
    font-weight: 700;
    color: #1E293B;
    letter-spacing: -0.01em;
}

body.dark-mode .category-drilldown-title {
    color: #F1F5F9;
}

.category-drilldown-close,
.category-drilldown-back {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    border: none;
    background: transparent;
    color: #2563EB;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    padding: 6px 8px;
    border-radius: 10px;
    transition: background 0.2s;
}

.category-drilldown-close {
    margin-left: auto;
    width: 36px;
    height: 36px;
    padding: 0;
    justify-content: center;
    background: #F1F5F9;
    color: #64748B;
    border-radius: 50%;
}

.category-drilldown-close:hover {
    background: #E2E8F0;
}

.category-drilldown-back:hover {
    background: #EFF6FF;
}

body.dark-mode .category-drilldown-close {
    background: #334155;
    color: #94A3B8;
}

body.dark-mode .category-drilldown-back {
    color: #60A5FA;
}

body.dark-mode .category-drilldown-back:hover {
    background: rgba(37, 99, 235, 0.15);
}

.category-drilldown-list {
    list-style: none;
    margin: 0;
    padding: 8px 12px calc(env(safe-area-inset-bottom) + 16px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.category-drilldown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 14px 16px;
    border: none;
    background: transparent;
    border-radius: 14px;
    color: #1E293B;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    text-align: left;
    transition: background 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-drilldown-item:hover,
.category-drilldown-item:focus-visible {
    background: #F8FAFC;
    outline: none;
}

.category-drilldown-item svg {
    width: 18px;
    height: 18px;
    color: #94A3B8;
    flex-shrink: 0;
}

.category-drilldown-item.active {
    background: #EFF6FF;
    color: #2563EB;
}

body.dark-mode .category-drilldown-item {
    color: #E2E8F0;
}

body.dark-mode .category-drilldown-item:hover,
body.dark-mode .category-drilldown-item:focus-visible {
    background: rgba(255, 255, 255, 0.05);
}

body.dark-mode .category-drilldown-item.active {
    background: rgba(37, 99, 235, 0.15);
    color: #60A5FA;
}

a.category-drilldown-item {
    display: flex;
}

@media (min-width: 768px) {
    .category-drilldown {
        display: none !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    .category-drilldown-backdrop,
    .category-drilldown-sheet,
    .category-drilldown-view {
        transition: none;
        animation: none;
    }
}

body.drilldown-open {
    overflow: hidden;
}

/* Menyembunyikan bottom nav saat drilldown/overlay terbuka diatur di
   assets/css/components/mobile-bottom-nav.css (selector body.mobile-nav-hidden).
   Aturan duplikat di sini dihapus karena nilainya berbeda dan saling menimpa. */