/* ============================================================================
   MEGA MENU (Avito-style) — добавь @import или вставь в конец app.css
   ============================================================================ */
.cats-trigger {
    display: inline-flex; align-items: center; gap: var(--gap-2);
    padding: 0 18px; height: 46px;
    background: var(--brand); color: #fff;
    border-radius: var(--r-sm);
    font-weight: 700; font-size: 14px;
    border: 0; cursor: pointer;
    flex-shrink: 0; transition: all var(--tr);
    white-space: nowrap;
}
.cats-trigger:hover { background: var(--brand-hover); }
.cats-trigger.open { background: var(--brand-hover); }

.header-search {
    flex: 1; display: flex; align-items: center;
    background: var(--bg-soft); border: 1px solid var(--border);
    border-radius: var(--r-sm); overflow: hidden;
    transition: border-color var(--tr); min-width: 0;
}
.header-search:focus-within { border-color: var(--brand); }
.header-search-icon { color: var(--text-muted); font-size: 14px; padding: 0 var(--g-3); flex-shrink: 0; }
.header-search-input {
    flex: 1; border: 0; outline: 0;
    background: transparent; height: 46px;
    font-size: 14px; color: var(--text); min-width: 0;
}
.header-search-btn {
    padding: 0 20px; height: 46px;
    background: var(--brand); color: #fff;
    font-weight: 700; font-size: 14px;
    border: 0; cursor: pointer;
    transition: background var(--tr); flex-shrink: 0;
}
.header-search-btn:hover { background: var(--brand-hover); }

.mega-menu {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg-elev);
    border-top: 1px solid var(--border-soft);
    border-bottom: 1px solid var(--border-soft);
    box-shadow: 0 24px 64px rgba(20,24,43,.14);
    z-index: 90;
    animation: megaFadeIn .18s ease;
}
@keyframes megaFadeIn {
    from { opacity:0; transform:translateY(-8px); }
    to   { opacity:1; transform:translateY(0); }
}
.mega-menu:not([hidden]) { display: block; }
.mega-menu-inner {
    display: flex;
    min-height: 420px;
    max-height: 70vh;
    overflow: hidden;
}

.mega-menu-roots {
    width: 260px; flex-shrink: 0;
    border-right: 1px solid var(--border-soft);
    overflow-y: auto;
    background: var(--bg-soft);
    padding: 8px 0;
}
.mega-root-item {
    display: flex; align-items: center; gap: 12px;
    width: 100%; padding: 12px 18px;
    font-size: 14px; font-weight: 500; color: var(--text);
    background: transparent; border: 0;
    border-left: 3px solid transparent;
    cursor: pointer; text-align: left;
    transition: background .12s, color .12s;
}
.mega-root-item:hover, .mega-root-item.active {
    background: var(--bg-elev); color: var(--brand);
    border-left-color: var(--brand);
}
.mega-root-item.active { font-weight: 600; }
.mega-root-icon {
    width: 34px; height: 34px;
    border-radius: 6px; background: var(--bg-elev);
    display: grid; place-items: center;
    font-size: 16px; color: var(--brand);
    flex-shrink: 0; overflow: hidden;
}
.mega-root-icon img { width: 100%; height: 100%; object-fit: cover; }
.mega-root-item.active .mega-root-icon { background: var(--brand-soft); }
.mega-root-name { flex: 1; min-width: 0; }
.mega-root-arrow { color: var(--text-muted); font-size: 11px; flex-shrink: 0; transition: transform .2s; }
.mega-root-item.active .mega-root-arrow { color: var(--brand); transform: translateX(2px); }

.mega-panel { flex: 1; padding: 20px 24px; overflow-y: auto; }
.mega-panel:not([hidden]) { display: block; }
.mega-panel-head { margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--border-soft); }
.mega-panel-title {
    font-size: 22px; font-weight: 800; color: var(--text);
    display: inline-flex; align-items: center; gap: 8px;
    letter-spacing: -0.02em; transition: color .12s;
}
.mega-panel-title:hover { color: var(--brand); }
.mega-panel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 2px;
}
.mega-sub-item {
    display: flex; align-items: center;
    justify-content: space-between; gap: 12px;
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 14px; color: var(--text-soft);
    transition: all .12s;
}
.mega-sub-item:hover { background: var(--brand-soft); color: var(--brand); }
.mega-sub-name { flex: 1; }
.mega-sub-count {
    font-size: 12px; color: var(--text-muted);
    background: var(--bg-soft); padding: 2px 8px;
    border-radius: 999px; flex-shrink: 0;
}
.mega-sub-item:hover .mega-sub-count { background: var(--bg-elev); }

.mega-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.35);
    z-index: 89; backdrop-filter: blur(2px);
}
.mega-overlay:not([hidden]) { display: block; }

.cat-card-photo {
    position: absolute; inset: 0; z-index: 0;
}
.cat-card-photo img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform .38s cubic-bezier(.4,0,.2,1);
}
.cat-card:hover .cat-card-photo img { transform: scale(1.08); }

@media (max-width: 768px) {
    .cats-trigger span { display: none; }
    .cats-trigger { padding: 0 14px; }
    .header-search-btn { padding: 0 14px; font-size: 0; }
    .header-search-btn::after { content: '\f002'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 14px; }
    .mega-menu-roots { width: 200px; }
    .mega-panel-grid { grid-template-columns: 1fr 1fr; }
}


/* ── Мега-меню на мобилке: на весь экран ── */
@media (max-width: 768px) {
    .mega-menu {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        width: 100% !important;
        height: 100vh !important;
        height: 100dvh !important;   /* для мобильных браузеров с динамической панелью */
        max-height: none !important;
        z-index: 250 !important;
        overflow-y: auto !important;
        border-radius: 0 !important;
        animation: none !important;
    }
    .mega-menu-inner {
        flex-direction: column !important;
        min-height: 100% !important;
        max-height: none !important;
        height: auto !important;
    }
    .mega-menu-roots {
        width: 100% !important;
        border-right: 0 !important;
        background: var(--bg-elev) !important;
        padding: 0 !important;
    }
    .mega-root-item {
        border-bottom: 1px solid var(--border-soft);
        padding: 16px 18px;
    }
    .mega-root-arrow { transition: transform 0.2s; }
    .mega-root-item.expanded .mega-root-arrow { transform: rotate(90deg); }

    .mega-panel {
        padding: 12px 16px 16px !important;
        background: var(--bg-soft) !important;
    }
    .mega-panel-head { margin-bottom: 12px; padding-bottom: 10px; }
    .mega-panel-title { font-size: 18px; }
    .mega-panel-grid { grid-template-columns: 1fr !important; }
}

.mega-mobile-head { display: none; }
@media (max-width: 768px) {
    .mega-mobile-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 16px 18px;
        border-bottom: 1px solid var(--border-soft);
        position: sticky;
        top: 0;
        background: var(--bg-elev);
        z-index: 5;
    }
    .mega-mobile-title { font-size: 18px; font-weight: 700; }
    .mega-mobile-close {
        width: 40px; height: 40px;
        border-radius: 50%;
        background: var(--bg-soft);
        color: var(--text);
        display: grid; place-items: center;
        font-size: 18px; border: 0; cursor: pointer;
    }
}