/*
 * Ảnh tin cậy: khách hàng, showroom, PC lắp ráp (snippets/showroom-photos.bwt, assets/showroom.js).
 * Mobile trước. Desktop từ 64em. Mọi giá trị lấy từ tokens.css.
 */

.sr-sub { margin: calc(-1 * var(--space-1)) 0 0; font-size: var(--text-sm); color: var(--color-text-muted); }
.sr-link { display: inline-flex; align-items: center; min-height: var(--tap-min); font-size: var(--text-sm); font-weight: var(--weight-strong); text-decoration: none; white-space: nowrap; }
.sr-link .icon { width: 16px; height: 16px; }
.sr-rail, .sr-thumbs, .sr-gal { list-style: none; margin: 0; padding: 0; }

/* Ô ảnh: tỉ lệ cố định để trang không giật khi ảnh tải xong */
.sr-ph { position: relative; display: block; border-radius: var(--radius-md); overflow: hidden; background: var(--color-surface-sunken); }
.sr-ph img { display: block; width: 100%; height: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.sr-ph:focus-visible { outline: 2px solid var(--color-secondary); outline-offset: 2px; }
.sr-tag { position: absolute; left: var(--space-2); top: var(--space-2); padding: 2px var(--space-2); border-radius: var(--radius-full); background: var(--color-surface); color: var(--color-text); font-size: var(--text-xs); font-weight: var(--weight-strong); box-shadow: var(--shadow-sm); }
.sr-cap { margin: 6px 0 0; font-size: var(--text-sm); line-height: var(--leading-tight); color: var(--color-text-muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* Dải vuốt ngang (trang chủ, danh mục PC): thấy ~1,4 ảnh để khách biết vuốt được */
.sr-rail {
  margin: 0 calc(-1 * var(--space-4));
  padding: 0 var(--space-4);
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding: 0 var(--space-4);
  scrollbar-width: none;
}
.sr-rail::-webkit-scrollbar { display: none; }
.sr-rail > li { flex: 0 0 72%; scroll-snap-align: start; min-width: 0; }

/* Thẻ showroom */
.sr-store { display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-3); border-radius: var(--radius-md); background: var(--color-secondary-bg); font-size: var(--text-sm); }
.sr-store p { margin: 0; display: flex; gap: var(--space-2); align-items: flex-start; }
.sr-store p .icon { width: 18px; height: 18px; flex: none; margin-top: 2px; color: var(--color-secondary); }
.sr-store b { display: block; font-weight: var(--weight-strong); }
.sr-btns { display: flex; gap: var(--space-2); margin-top: var(--space-1); }
.sr-btns .btn { flex: 1; white-space: nowrap; }
.sr-btn-pri { background: var(--color-secondary); color: var(--color-on-action); }
.sr-btn-pri:hover { background: var(--color-secondary-hover); color: var(--color-on-action); }
.sr-btn { background: var(--color-surface); color: var(--color-secondary); box-shadow: inset 0 0 0 1.5px var(--color-secondary); }
.sr-home-body { display: flex; flex-direction: column; gap: var(--space-3); }

/* Trang sản phẩm: dòng chữ + 3 ảnh vuông nhỏ */
.sr-pdp { padding: 14px var(--space-4); display: flex; flex-direction: column; gap: var(--space-3); background: var(--color-surface); }
.sr-pdp-txt { display: flex; flex-direction: column; gap: 2px; }
.sr-pdp-txt .pd-box-title { margin: 0 0 var(--space-1); font-size: var(--text-base); }
.sr-pdp-txt p { margin: 0; font-size: var(--text-sm); color: var(--color-text-muted); }
.sr-pdp-txt .sr-link { align-self: flex-start; margin: -6px 0 -10px; }
.sr-thumbs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.sr-thumbs .sr-ph img { aspect-ratio: 1; }
.sr-ph--more span { position: absolute; inset: 0; display: grid; place-items: center; background: var(--color-overlay); color: var(--color-on-action); font-size: var(--text-lg); font-weight: var(--weight-strong); }

/* Danh mục PC, Tự cấu hình PC */
.sr-pc { margin: var(--space-6) var(--space-4) 0; padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-3); background: var(--color-surface); border-radius: var(--radius-md); }
.sr-head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); }
.sr-head h2 { margin: 0; font-size: var(--text-lg); line-height: var(--leading-tight); }
.sr-head .sr-link { margin: -10px 0; }

/* Lưới ảnh đầy đủ (trang liên hệ, trang blog ảnh) */
.sr-gal-wrap { display: flex; flex-direction: column; gap: var(--space-3); }
.sr-gal-h { margin: 0; font-size: var(--text-lg); }
.sr-filter { display: flex; gap: var(--space-2); overflow-x: auto; scrollbar-width: none; margin: 0 calc(-1 * var(--space-4)); padding: 0 var(--space-4); }
.sr-chip { flex: none; min-height: 36px; padding: 0 14px; border-radius: var(--radius-full); border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text); font: inherit; font-size: var(--text-sm); cursor: pointer; }
.sr-chip[aria-pressed="true"] { background: var(--color-secondary-bg); border-color: var(--color-secondary); color: var(--color-secondary); font-weight: var(--weight-strong); }
.sr-gal { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; }
.sr-gal > li[hidden] { display: none; }
.sr-gal-more { align-self: center; }
.contact > .sr-gal-wrap { margin-top: var(--space-6); padding: 0 var(--space-4); }
.sr-blog-body { padding: 0 var(--space-4); display: flex; flex-direction: column; gap: var(--space-5); }

/* Hộp xem ảnh lớn (tạo bằng JS khi bấm) */
.sr-lb { width: 100%; max-width: 64rem; max-height: 100dvh; margin: auto; padding: 0; border: 0; background: transparent; color: var(--color-on-inverse-strong); }
.sr-lb::backdrop { background: rgb(18 21 31 / 0.94); }
.sr-lb-in { display: flex; flex-direction: column; gap: var(--space-3); padding: var(--space-4); }
.sr-lb-top { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); font-size: var(--text-sm); }
.sr-lb-fig { position: relative; margin: 0; }
.sr-lb-fig img { display: block; width: 100%; max-height: 75dvh; object-fit: contain; border-radius: var(--radius-md); background: var(--gray-800); }
.sr-lb-cap { margin: 0; font-size: var(--text-sm); }
.sr-lb-btn { width: var(--tap-min); height: var(--tap-min); flex: none; display: grid; place-items: center; border: 0; border-radius: var(--radius-full); background: rgb(255 255 255 / 0.14); color: inherit; cursor: pointer; }
.sr-lb-btn .icon { width: 22px; height: 22px; }
.sr-lb-nav { position: absolute; top: 50%; transform: translateY(-50%); }
.sr-lb-nav.is-prev { left: var(--space-2); }
.sr-lb-nav.is-next { right: var(--space-2); }
.sr-lb-btn:focus-visible { outline: 2px solid var(--color-on-inverse-strong); outline-offset: 2px; }

@media (min-width: 64em) {
  .sr-home-body { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: var(--space-4); }
  .sr-home .sr-rail { margin: 0; padding: 0; display: grid; grid-template-columns: 2fr 1fr 1fr; grid-auto-rows: auto; overflow: visible; }
  .sr-home .sr-rail > li:first-child { grid-row: span 2; }
  .sr-home .sr-rail > li:first-child .sr-ph, .sr-home .sr-rail > li:first-child img { height: 100%; }
  .sr-home .sr-cap { display: none; }
  .sr-store { justify-content: center; padding: var(--space-4); }

  /* Trang sản phẩm: thẻ ở cột phải (cùng cột chính sách, doanh nghiệp, video). Thêm một hàng cho cột phải
     để phần cao dư của cột mô tả vẫn dồn vào hàng 1fr cuối (xem .pd-bottom trong product.css). */
  .pd-bottom:has(.sr-pdp) { grid-template-rows: repeat(5, min-content) 1fr; }
  .sr-pdp { grid-column: 2; min-width: 0; padding: var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-md); }

  .sr-pc { margin: var(--space-6) 0 0; padding: var(--space-5); }
  .sr-rail--5 { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); overflow: visible; }
  .sr-rail--5 > li:nth-child(n+6) { display: none; }

  .sr-filter { margin: 0; padding: 0; flex-wrap: wrap; }
  .contact > .sr-gal-wrap, .sr-blog-body { padding: 0; }

  .sr-gal { grid-template-columns: repeat(4, 1fr); gap: var(--space-2); }
  .sr-lb-in { padding: var(--space-5); }
}