/*
 * Nền chung cho mọi trang. Chỉ dùng biến semantic trong tokens.css.
 * Mobile trước: style mặc định cho màn hẹp, @media (min-width) cho màn rộng.
 */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-base);
  color: var(--color-text);
  background: var(--color-surface-alt);
}

img, svg { display: block; max-width: 100%; height: auto; }

[hidden] { display: none !important; }

a { color: var(--color-link); }
a:hover { color: var(--color-link-hover); }

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: var(--space-2);
  top: -100px;
  z-index: var(--z-toast);
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  color: var(--color-text);
}
.skip-link:focus { top: var(--space-2); }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* ---------- Đường dẫn (breadcrumb) ---------- */

.crumbs { padding: 10px var(--space-4); font-size: var(--text-xs); color: var(--color-text-muted); }
.crumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 2px 6px; }
.crumbs li + li::before { content: "›"; margin-right: 6px; }
.crumbs a { color: var(--color-text-muted); }
@media (min-width: 64em) { .crumbs { padding: var(--space-4) 0 var(--space-3); } }

/* ---------- Banner danh mục (snippet coll-banner) ---------- */

.cbanner { display: block; border-radius: var(--radius-md); overflow: hidden; background: var(--color-surface-sunken); }
.cbanner-a { display: block; }
.cbanner img { display: block; width: 100%; height: auto; aspect-ratio: 1200 / 160; object-fit: cover; }
/* 2 ảnh: mỗi ảnh 3,75:1 (960×256), trên máy tính cao gần bằng bản 1 ảnh. Điện thoại trượt ngang (ảnh sau ló 14%), máy tính 2 ảnh cạnh nhau */
.cbanner--pair { list-style: none; margin: 0; padding: 0; border-radius: 0; background: none; display: flex; gap: var(--space-2); overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
.cbanner--pair::-webkit-scrollbar { display: none; }
.cbanner--pair li { flex: 0 0 86%; scroll-snap-align: start; border-radius: var(--radius-md); overflow: hidden; background: var(--color-surface-sunken); }
.cbanner--pair img { aspect-ratio: 960 / 256; }
@media (min-width: 64em) {
  .cbanner--pair { overflow: visible; gap: var(--space-4); }
  .cbanner--pair li { flex: 1 1 0; min-width: 0; }
}

/* ---------- Nút dùng chung ---------- */

.btn {
  min-height: 48px;
  padding: 0 var(--space-5);
  border: 0;
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: var(--text-base);
  font-weight: var(--weight-strong);
  line-height: var(--leading-tight);
  text-align: center;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  cursor: pointer;
}
.btn .icon { width: 20px; height: 20px; flex: none; }
.btn-pri { background: var(--color-action); color: var(--color-on-action); }
.btn-pri:hover { background: var(--color-action-hover); color: var(--color-on-action); }
.btn-sec { background: var(--color-surface); color: var(--color-action); box-shadow: inset 0 0 0 1.5px var(--color-action); }
.btn-sec:hover { background: var(--color-action-bg); color: var(--color-action-hover); }
.btn-sm { min-height: 40px; padding: 0 var(--space-4); font-size: var(--text-sm); }
.btn[disabled], .btn[aria-disabled="true"] { background: var(--color-disabled-bg); color: var(--color-disabled); box-shadow: none; cursor: not-allowed; }

/* ---------- Nội dung soạn trong admin (mô tả, bài viết) ---------- */

.rte { overflow-wrap: anywhere; }
.rte > :first-child { margin-top: 0; }
.rte img { height: auto; margin: var(--space-3) auto; border-radius: var(--radius-sm); }
.rte h2, .rte h3, .rte h4 { line-height: var(--leading-tight); margin: var(--space-5) 0 var(--space-2); }
.rte h2 { font-size: var(--text-lg); }
.rte h3, .rte h4 { font-size: var(--text-base); }
.rte p, .rte ul, .rte ol { margin: 0 0 var(--space-3); }
.rte table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.rte td, .rte th { padding: var(--space-2) var(--space-3); border: 1px solid var(--color-border); vertical-align: top; text-align: left; }
.rte td p { margin: 0; }
.rte tr:nth-child(even) td { background: var(--color-surface-alt); }
.rte td[colspan] { background: var(--color-surface-sunken); font-weight: var(--weight-strong); }
.rte iframe { max-width: 100%; }

/* ---------- Phân trang số (blog, đơn hàng, sổ địa chỉ) ---------- */

.blog-pages { display: flex; justify-content: center; flex-wrap: wrap; gap: 4px; }
.blog-pg {
  min-width: var(--tap-min);
  height: var(--tap-min);
  padding: 0 var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-weight: var(--weight-strong);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.blog-pg.is-cur { background: var(--color-inverse); border-color: var(--color-inverse); color: var(--color-on-inverse); }
.blog-pg.is-gap { border-color: transparent; background: none; }
.blog-pg .icon { width: 18px; height: 18px; }