/* =============================================================
   PRODUCT.CSS — PLP (listing/filters) + PDP (details)
   ============================================================= */

/* ---------- PLP LAYOUT ---------- */
.plp { display: grid; grid-template-columns: 264px 1fr; gap: var(--s-6); align-items: start; }
.plp-toolbar { display: flex; align-items: center; justify-content: space-between; gap: var(--s-4); flex-wrap: wrap; margin-bottom: var(--s-5); }
.plp-toolbar .res-count { color: var(--c-text-soft); font-size: var(--fs-sm); }
.plp-toolbar .res-count b { color: var(--c-text-strong); }
.view-toggle { display: inline-flex; border: 1px solid var(--c-border-strong); border-radius: var(--r-sm); overflow: hidden; }
.view-toggle button { width: 40px; height: 40px; display: grid; place-items: center; color: var(--c-muted); }
.view-toggle button.active { background: var(--c-primary); color: #fff; }

/* FILTER SIDEBAR */
.filters { position: sticky; top: calc(var(--nav-h) + 16px); background: #fff; border: 1px solid var(--c-border); border-radius: var(--r-lg); overflow: hidden; max-height: calc(100vh - var(--nav-h) - 32px); overflow-y: auto; }
.filters-head { display: flex; align-items: center; justify-content: space-between; padding: var(--s-4) var(--s-5); border-bottom: 1px solid var(--c-border); position: sticky; top: 0; background: #fff; z-index: 2; }
.filters-head h3 { font-size: var(--fs-md); }
.filter-group { padding: var(--s-4) var(--s-5); border-bottom: 1px solid var(--c-border); }
.filter-group > h4 { font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: .05em; color: var(--c-text); margin-bottom: var(--s-3); display: flex; align-items: center; justify-content: space-between; cursor: pointer; }
.filter-opts { display: flex; flex-direction: column; gap: 10px; max-height: 200px; overflow: auto; }
.filter-opts.colors { flex-direction: row; flex-wrap: wrap; gap: 10px; }
.filter-opts.sizes { flex-direction: row; flex-wrap: wrap; gap: 8px; }
.filter-opts .check { font-size: var(--fs-sm); }
.filter-opts .check .cnt { color: var(--c-muted); margin-left: auto; font-size: var(--fs-xs); }

/* price slider */
.price-slider { padding-top: 8px; }
.price-slider .track { position: relative; height: 4px; background: var(--c-border-strong); border-radius: var(--r-pill); margin: 18px 6px; }
.price-slider .fill { position: absolute; height: 100%; background: var(--c-primary); border-radius: var(--r-pill); }
.price-slider input[type=range] { position: absolute; top: 50%; left: 0; width: 100%; transform: translateY(-50%); -webkit-appearance: none; appearance: none; background: none; pointer-events: none; }
.price-slider input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; pointer-events: auto; width: 18px; height: 18px; border-radius: 50%; background: #fff; border: 3px solid var(--c-primary); cursor: pointer; box-shadow: var(--sh-sm); }
.price-vals { display: flex; justify-content: space-between; font-size: var(--fs-sm); font-weight: var(--fw-semibold); }

/* active filter chips */
.filter-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: var(--s-4); }

/* product grid */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: var(--s-5); }
.product-grid.list { grid-template-columns: 1fr; gap: var(--s-4); }

/* pagination */
.pagination { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: var(--s-8); }
.pagination button { min-width: 40px; height: 40px; border-radius: var(--r-sm); border: 1px solid var(--c-border-strong); font-weight: var(--fw-semibold); transition: all var(--t-base); }
.pagination button:hover { border-color: var(--c-primary); color: var(--c-primary); }
.pagination button.active { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.pagination button:disabled { opacity: .4; cursor: not-allowed; }

/* sort dropdown */
.dropdown { position: relative; }
.dropdown-menu { position: absolute; right: 0; top: calc(100% + 6px); background: #fff; border: 1px solid var(--c-border); border-radius: var(--r-md); box-shadow: var(--sh-lg); min-width: 220px; padding: 6px; z-index: var(--z-sticky); opacity: 0; visibility: hidden; transform: translateY(8px); transition: all var(--t-base); }
.dropdown.open .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu button { display: flex; width: 100%; align-items: center; justify-content: space-between; padding: 10px 12px; border-radius: var(--r-sm); font-size: var(--fs-base); text-align: left; }
.dropdown-menu button:hover { background: var(--c-bg-soft); }
.dropdown-menu button.active { color: var(--c-primary); font-weight: var(--fw-semibold); }

/* mobile filter trigger bar */
.mobile-filterbar { display: none; position: sticky; top: var(--nav-h-mobile); z-index: var(--z-sticky); background: #fff; border-top: 1px solid var(--c-border); border-bottom: 1px solid var(--c-border); }
.mobile-filterbar button { flex: 1; padding: 14px; font-weight: var(--fw-semibold); display: flex; align-items: center; justify-content: center; gap: 8px; }
.mobile-filterbar button + button { border-left: 1px solid var(--c-border); }

/* ---------- PDP ---------- */
.pdp { display: grid; grid-template-columns: 1.15fr 1fr; gap: var(--s-8); align-items: start; }

/* gallery */
.gallery { display: block; position: sticky; top: calc(var(--nav-h) + 16px); }
.gallery-thumbs { display: none; }
.gallery-thumbs .thumb { aspect-ratio: 3/4; border-radius: var(--r-sm); overflow: hidden; cursor: pointer; border: 2px solid transparent; opacity: .7; transition: all var(--t-base); }
.gallery-thumbs .thumb.active { border-color: var(--c-primary); opacity: 1; }
.gallery-thumbs .thumb img { width: 100%; height: 100%; object-fit: cover; }
.gallery-main { position: relative; border-radius: var(--r-lg); overflow: hidden; aspect-ratio: 3/4; background: var(--c-bg-soft); cursor: zoom-in; }
.gallery-main img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s var(--ease); }
.gallery-main.zoom img { transform: scale(2); cursor: zoom-out; }
.gallery-main .wish-lg { position: absolute; top: 16px; right: 16px; width: 46px; height: 46px; border-radius: 50%; background: rgba(255,255,255,.92); display: grid; place-items: center; box-shadow: var(--sh-md); z-index: 2; }
.gallery-main .wish-lg svg { width: 22px; height: 22px; }
.gallery-main .wish-lg.active svg { fill: var(--c-primary); stroke: var(--c-primary); }
.gallery-dots { position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; padding: 7px 12px; border-radius: var(--r-pill); background: rgba(20,16,26,.32); backdrop-filter: blur(6px); z-index: 2; }
.gallery-dots .g-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.55); transition: width var(--t-base), background var(--t-base); cursor: pointer; }
.gallery-dots .g-dot:hover { background: rgba(255,255,255,.85); }
.gallery-dots .g-dot.active { width: 22px; background: #fff; }

/* full-screen image slider (lightbox) */
.fs-slider { position: fixed; inset: 0; z-index: var(--z-modal, 1200); background: rgba(12,10,16,.94); backdrop-filter: blur(6px); display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: opacity var(--t-base), visibility var(--t-base); }
.fs-slider.open { opacity: 1; visibility: visible; }
.fs-stage { width: min(92vw, 640px); height: min(82vh, 860px); display: flex; align-items: center; justify-content: center; }
.fs-stage img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: var(--r-md); box-shadow: 0 24px 70px rgba(0,0,0,.5); animation: fadeIn var(--t-base) var(--ease-out); }
.fs-close { position: absolute; top: 18px; right: 18px; width: 46px; height: 46px; border-radius: 50%; background: rgba(255,255,255,.14); color: #fff; display: grid; place-items: center; transition: background var(--t-fast), transform var(--t-fast); }
.fs-close:hover { background: rgba(255,255,255,.26); transform: rotate(90deg); }
.fs-close svg { width: 22px; height: 22px; }
.fs-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 52px; height: 52px; border-radius: 50%; background: rgba(255,255,255,.14); color: #fff; display: grid; place-items: center; transition: background var(--t-fast); }
.fs-nav:hover { background: rgba(255,255,255,.3); }
.fs-nav svg { width: 26px; height: 26px; }
.fs-prev { left: clamp(10px, 4vw, 48px); } .fs-prev svg { transform: scaleX(-1); }
.fs-next { right: clamp(10px, 4vw, 48px); }
.fs-counter { position: absolute; top: 22px; left: 50%; transform: translateX(-50%); color: #fff; font-weight: var(--fw-semibold); font-size: var(--fs-sm); letter-spacing: .04em; background: rgba(255,255,255,.12); padding: 6px 14px; border-radius: var(--r-pill); }
.fs-thumbs { position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; max-width: 92vw; overflow-x: auto; padding: 6px; scrollbar-width: none; }
.fs-thumbs::-webkit-scrollbar { display: none; }
.fs-thumb { width: 46px; height: 60px; border-radius: var(--r-xs); overflow: hidden; flex-shrink: 0; border: 2px solid transparent; opacity: .55; transition: opacity var(--t-fast), border-color var(--t-fast); }
.fs-thumb img { width: 100%; height: 100%; object-fit: cover; }
.fs-thumb.active { opacity: 1; border-color: #fff; }
.fs-thumb:hover { opacity: .85; }

/* product info */
.pdp-info { padding-bottom: var(--s-7); }
.pdp-brand { font-size: var(--fs-xl); font-weight: var(--fw-bold); font-family: var(--font-display); }
.pdp-title { font-size: var(--fs-lg); color: var(--c-text-soft); font-weight: var(--fw-regular); margin-top: 2px; }
.pdp-rating { display: inline-flex; align-items: center; gap: 8px; margin-top: var(--s-4); border: 1px solid var(--c-border); border-radius: var(--r-sm); padding: 6px 10px; font-weight: var(--fw-bold); font-size: var(--fs-sm); }
.pdp-rating svg { width: 14px; height: 14px; fill: var(--c-success); }
.pdp-rating .div { width: 1px; height: 16px; background: var(--c-border); }
.pdp-rating .cnt { color: var(--c-muted); font-weight: var(--fw-regular); }
.pdp-price { display: flex; align-items: baseline; gap: 12px; margin: var(--s-5) 0 4px; flex-wrap: wrap; }
.pdp-price .now { font-size: var(--fs-2xl); font-weight: var(--fw-bold); }
.pdp-price .mrp { font-size: var(--fs-lg); color: var(--c-muted); text-decoration: line-through; }
.pdp-price .off { font-size: var(--fs-lg); color: var(--c-warning); font-weight: var(--fw-semibold); }
.tax-note { color: var(--c-success); font-weight: var(--fw-semibold); font-size: var(--fs-sm); }

.size-head { display: flex; align-items: center; justify-content: space-between; margin: var(--s-6) 0 var(--s-3); }
.size-head a { color: var(--c-primary); font-weight: var(--fw-bold); font-size: var(--fs-sm); }
.size-row { display: flex; gap: 10px; flex-wrap: wrap; }

.pdp-cta { display: flex; gap: 12px; margin: var(--s-6) 0; }
.pdp-cta .btn { flex: 1; }

/* offers card */
.offer-card { border: 1px solid var(--c-border); border-radius: var(--r-md); padding: var(--s-5); margin-top: var(--s-5); }
.offer-card h4 { display: flex; align-items: center; gap: 8px; margin-bottom: var(--s-3); }
.offer-item { display: flex; gap: 10px; padding: 8px 0; font-size: var(--fs-sm); }
.offer-item .tag { color: var(--c-primary); }

/* delivery card */
.delivery-row { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px dashed var(--c-border); }
.delivery-row svg { width: 22px; height: 22px; color: var(--c-primary); flex-shrink: 0; }

/* reviews */
.rating-summary { display: grid; grid-template-columns: 200px 1fr; gap: var(--s-7); align-items: center; padding: var(--s-5); background: var(--c-bg-alt); border-radius: var(--r-lg); }
.rating-big { text-align: center; }
.rating-big .num { font-size: var(--fs-4xl); font-weight: var(--fw-bold); font-family: var(--font-display); }
.rating-bars { display: flex; flex-direction: column; gap: 8px; }
.rating-bar { display: flex; align-items: center; gap: 10px; font-size: var(--fs-sm); }
.rating-bar .label { width: 36px; display: flex; align-items: center; gap: 3px; }
.rating-bar .bar { flex: 1; height: 7px; background: var(--c-border); border-radius: var(--r-pill); overflow: hidden; }
.rating-bar .bar span { display: block; height: 100%; background: var(--c-success); }
.review { padding: var(--s-5) 0; border-bottom: 1px solid var(--c-border); }
.review-head { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.review-chip { display: inline-flex; align-items: center; gap: 4px; background: var(--c-success); color: #fff; padding: 2px 8px; border-radius: var(--r-xs); font-size: var(--fs-xs); font-weight: var(--fw-bold); }

@media (max-width: 1024px){ .pdp { grid-template-columns: 1fr; } .gallery { position: static; } .rating-summary { grid-template-columns: 1fr; } }