/* Phase 4 — navigation, filters, mega menu, search and content SEO. Safe, lightweight layer. */
.usg-phase4-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:18px 0 22px;padding:14px;border:1px solid rgba(15,23,42,.08);border-radius:22px;background:linear-gradient(180deg,#fff,#f8fafc);box-shadow:0 12px 34px rgba(15,23,42,.05);direction:rtl}
.usg-phase4-toolbar__main{display:flex;align-items:center;gap:12px;min-width:0}.usg-phase4-toolbar__meta{display:flex;flex-direction:column;gap:2px;min-width:0}.usg-phase4-toolbar__meta strong{font-size:15px;color:#0f172a}.usg-phase4-toolbar__meta small{font-size:12px;color:#64748b}.usg-phase4-filter-open{display:inline-flex;align-items:center;gap:8px;border:0;background:#0f172a;color:#fff;border-radius:14px;min-height:42px;padding:0 14px;font:inherit;font-weight:800;cursor:pointer;box-shadow:0 10px 22px rgba(15,23,42,.14);transition:transform .16s ease,box-shadow .16s ease}.usg-phase4-filter-open:hover{transform:translateY(-1px);box-shadow:0 14px 26px rgba(15,23,42,.18)}.usg-phase4-filter-open:active{transform:scale(.98)}.usg-phase4-filter-open svg{width:18px;height:18px;fill:currentColor}.usg-phase4-toolbar__sort .woocommerce-ordering{margin:0}.usg-phase4-toolbar__sort select{min-height:42px;border-radius:14px;border:1px solid rgba(15,23,42,.12);background:#fff;padding:0 14px;color:#0f172a;font:inherit}
.usg-filter-sheet{position:fixed;inset:0;z-index:2147483000;display:none;direction:rtl}.usg-filter-sheet.is-open{display:block}.usg-filter-sheet__overlay{position:absolute;inset:0;background:rgba(15,23,42,.44);backdrop-filter:blur(5px)}.usg-filter-sheet__panel{position:absolute;right:0;top:0;bottom:0;width:min(420px,92vw);background:#fff;box-shadow:-24px 0 60px rgba(15,23,42,.22);display:flex;flex-direction:column;border-radius:24px 0 0 24px;overflow:hidden;transform:translateX(104%);transition:transform .22s ease}.usg-filter-sheet.is-open .usg-filter-sheet__panel{transform:translateX(0)}.usg-filter-sheet__header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 18px 14px;border-bottom:1px solid rgba(15,23,42,.08)}.usg-filter-sheet__header strong{display:block;color:#0f172a;font-size:17px}.usg-filter-sheet__header span{display:block;color:#64748b;font-size:12px;margin-top:2px}.usg-filter-sheet__close{width:40px;height:40px;border:0;border-radius:999px;background:#f1f5f9;color:#0f172a;font-size:26px;line-height:1;cursor:pointer}.usg-filter-sheet__body{flex:1;overflow:auto;padding:16px;overscroll-behavior:contain}.usg-filter-widget{border:1px solid rgba(15,23,42,.08);border-radius:18px;padding:14px;background:#fff;margin:0 0 12px}.usg-filter-widget__title,.usg-filter-widget .widget-title{font-size:14px;margin:0 0 12px;color:#0f172a}.usg-filter-widget ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}.usg-filter-widget a{color:#334155;text-decoration:none}.usg-filter-sheet__footer{display:flex;gap:10px;align-items:center;padding:14px 16px calc(14px + env(safe-area-inset-bottom));border-top:1px solid rgba(15,23,42,.08);background:#fff}.usg-filter-sheet__clear,.usg-filter-sheet__apply{flex:1;min-height:44px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-weight:800;border:1px solid rgba(15,23,42,.1);cursor:pointer}.usg-filter-sheet__clear{background:#fff;color:#334155}.usg-filter-sheet__apply{background:var(--usg-primary,#2563eb);color:#fff;border-color:transparent}
.usg-mega-menu{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(260px,.65fr);gap:18px;padding:18px;border:1px solid rgba(15,23,42,.08);border-radius:24px;background:#fff;box-shadow:0 18px 44px rgba(15,23,42,.08);direction:rtl}.usg-mega-menu__cats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.usg-mega-cat{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 14px;border-radius:16px;background:#f8fafc;text-decoration:none;color:#0f172a;border:1px solid rgba(15,23,42,.06);transition:transform .16s ease,background .16s ease,border-color .16s ease}.usg-mega-cat:hover{background:#fff;border-color:rgba(37,99,235,.22);transform:translateY(-1px)}.usg-mega-cat span{font-weight:800}.usg-mega-cat small{color:#64748b;font-size:11px}.usg-mega-menu__products{display:grid;gap:10px;align-content:start}.usg-mega-menu__products>strong{font-size:14px;color:#0f172a}.usg-mega-product{display:grid;grid-template-columns:54px minmax(0,1fr);gap:10px;align-items:center;padding:8px;border-radius:16px;text-decoration:none;color:#0f172a;background:#f8fafc}.usg-mega-product__thumb{width:54px;height:54px;border-radius:14px;background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden}.usg-mega-product__thumb img{width:100%;height:100%;object-fit:contain}.usg-mega-product__title{font-size:13px;font-weight:750;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.usg-search-landing{margin:18px 0}.usg-search-landing__box{padding:18px;border-radius:24px;background:linear-gradient(135deg,rgba(37,99,235,.08),rgba(6,182,212,.1));border:1px solid rgba(37,99,235,.12);display:grid;gap:12px}.usg-search-landing__box span{font-weight:900;color:#0f172a}.usg-search-landing form{display:flex;gap:10px}.usg-search-landing input{flex:1;min-height:46px;border:1px solid rgba(15,23,42,.12);border-radius:16px;background:#fff;padding:0 14px;font:inherit}.usg-search-landing button{min-height:46px;border:0;border-radius:16px;background:var(--usg-primary,#2563eb);color:#fff;font:inherit;font-weight:900;padding:0 18px;cursor:pointer}.usg-search-page .usg-search-group{margin:22px 0}.usg-search-group__title{font-size:18px;margin:0 0 12px;color:#0f172a}.usg-search-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.usg-search-card{display:grid;gap:9px;padding:12px;border:1px solid rgba(15,23,42,.08);border-radius:20px;text-decoration:none;background:#fff;color:#0f172a;box-shadow:0 10px 28px rgba(15,23,42,.04)}.usg-search-card__media{height:150px;border-radius:16px;background:#f8fafc;display:flex;align-items:center;justify-content:center;overflow:hidden}.usg-search-card__media img{width:100%;height:100%;object-fit:contain}.usg-search-card__type{font-size:11px;color:#64748b}.usg-search-card__title{font-weight:850;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.usg-search-card__excerpt{font-size:12px;color:#64748b;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.usg-cat-seo-footer{margin:30px 0 10px;padding:22px;border-radius:24px;background:#fff;border:1px solid rgba(15,23,42,.08);box-shadow:0 12px 34px rgba(15,23,42,.04);clear:both}.usg-cat-seo-footer h2{font-size:20px;margin:0 0 12px;color:#0f172a}.usg-cat-seo-footer__content{color:#475569;line-height:2}.usg-article-toc{margin:18px 0 24px;padding:16px;border:1px solid rgba(15,23,42,.08);border-radius:22px;background:#f8fafc}.usg-article-toc__toggle{width:100%;text-align:right;border:0;background:transparent;font:inherit;font-weight:900;color:#0f172a;padding:0;cursor:pointer}.usg-article-toc__list{margin:12px 0 0;padding:0 20px 0 0;display:grid;gap:8px}.usg-article-toc__list a{text-decoration:none;color:#334155}.usg-article-toc .is-level-3{margin-right:14px;font-size:.94em}.usg-article-store-cta{margin:28px 0 8px;padding:18px;border-radius:24px;background:linear-gradient(135deg,#0f172a,#1e293b);color:#fff;display:grid;gap:8px}.usg-article-store-cta strong{font-size:18px}.usg-article-store-cta span{color:rgba(255,255,255,.78)}.usg-article-store-cta a{justify-self:start;background:#fff;color:#0f172a;text-decoration:none;border-radius:14px;padding:10px 16px;font-weight:900;margin-top:4px}
@media (min-width:1025px){.usg-filter-sheet__panel{right:auto;left:50%;top:6vh;bottom:auto;width:min(980px,92vw);max-height:88vh;border-radius:28px;transform:translate(-50%,18px) scale(.98);opacity:0}.usg-filter-sheet.is-open .usg-filter-sheet__panel{transform:translate(-50%,0) scale(1);opacity:1}.usg-filter-sheet__body{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.usg-filter-widget{margin:0}}
@media (max-width:900px){.usg-phase4-toolbar{align-items:stretch;flex-direction:column}.usg-phase4-toolbar__sort select{width:100%}.usg-mega-menu{grid-template-columns:1fr}.usg-search-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.usg-mega-menu__cats{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.usg-phase4-toolbar{border-radius:18px;padding:12px}.usg-phase4-toolbar__meta small{display:none}.usg-filter-sheet__panel{left:0;right:0;top:auto;width:100%;height:min(82vh,720px);border-radius:24px 24px 0 0;transform:translateY(105%)}.usg-filter-sheet.is-open .usg-filter-sheet__panel{transform:translateY(0)}.usg-mega-menu__cats,.usg-search-grid{grid-template-columns:1fr}.usg-search-landing form{flex-direction:column}.usg-search-card__media{height:132px}}
@media (prefers-reduced-motion:reduce){.usg-filter-sheet__panel,.usg-phase4-filter-open,.usg-mega-cat{transition:none!important;transform:none!important}}