/* ==========================================================================
   Lộc Phát — Component classes
   Dịch từ Design System (_ds_bundle.js) sang CSS thuần.
   Hover/focus vốn là React state -> nay dùng :hover/:focus.
   ========================================================================== */

/* ---- Layout helpers ---------------------------------------------------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--space-8);
  padding-right: var(--space-8);
}
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---- Button ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;                 /* size md */
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-standard),
              border-color var(--duration-fast) var(--ease-standard);
}
.btn--sm { padding: 8px 14px;  font-size: var(--text-sm); gap: 6px; }
.btn--lg { padding: 14px 26px; font-size: var(--text-md); gap: 10px; }
.btn--full { width: 100%; }
.btn[disabled] { cursor: not-allowed; opacity: .45; }

.btn--primary   { background: var(--color-primary); color: var(--text-inverse); border-color: var(--color-primary); }
.btn--primary:hover   { background: var(--color-primary-hover); }
.btn--accent    { background: var(--color-accent); color: var(--text-inverse); border-color: var(--color-accent); }
.btn--accent:hover    { background: var(--color-accent-hover); }
.btn--secondary { background: var(--surface-card); color: var(--text-primary); border-color: var(--border-strong); }
.btn--secondary:hover { background: var(--surface-sunken); }
.btn--ghost     { background: transparent; color: var(--color-primary); border-color: transparent; }
.btn--ghost:hover     { background: var(--surface-primary-subtle); }
.btn--dark      { background: var(--gray-900); color: var(--text-inverse); border-color: var(--gray-900); }
.btn--dark:hover      { background: var(--gray-800); }
.btn .icon { display: inline-flex; width: 18px; height: 18px; }

/* ---- Badge ------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  border-radius: var(--radius-full);
  background: var(--gray-100);
  color: var(--text-secondary);
}
.badge--primary { background: var(--status-info-bg);    color: var(--status-info-fg); }
.badge--success { background: var(--status-success-bg); color: var(--status-success-fg); }
.badge--warning { background: var(--status-warning-bg); color: var(--status-warning-fg); }
.badge--danger  { background: var(--status-danger-bg);  color: var(--status-danger-fg); }
.badge--neutral { background: var(--gray-100);          color: var(--text-secondary); }
.badge--dark    { background: var(--gray-900);          color: var(--text-inverse); }

/* ---- Tag (filter chip) ------------------------------------------------- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid var(--border-default);
  background: var(--surface-card);
  color: var(--text-secondary);
  transition: all var(--duration-fast) var(--ease-standard);
}
.tag:hover { border-color: var(--border-strong); }
.tag.is-active {
  border-color: var(--color-primary);
  background: var(--surface-primary-subtle);
  color: var(--color-primary);
}

/* ProductCard / CategoryCard (DS gốc, ảnh thật) — đã gỡ: không trang nào dùng.
   Trang thực tế dùng .prod (shared.css) và .cat-tile (home.css) với ảnh placeholder. */

/* ---- SpecRow ----------------------------------------------------------- */
.spec-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  padding: 13px 18px;
  background: var(--surface-card);
  font-size: var(--text-base);
}
.spec-row:nth-child(odd) { background: var(--surface-sunken); }
.spec-row__label { color: var(--text-secondary); font-weight: 500; }
.spec-row__value { color: var(--text-primary); font-weight: 600; }
@media (max-width: 559px) { .spec-row { grid-template-columns: 1fr; gap: 4px; } }

/* ---- Breadcrumb -------------------------------------------------------- */
.breadcrumb {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-size: var(--text-sm); color: var(--text-tertiary);
}
.breadcrumb a { color: var(--text-tertiary); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { color: var(--gray-300); }
.breadcrumb .current { color: var(--text-primary); font-weight: var(--weight-medium); }
/* Dải .crumb-wrap: container của breadcrumb. Nguồn duy nhất — catalog.css còn
   override riêng vì ở đó breadcrumb bị ép nowrap trong khung hẹp hơn. */
.crumb-wrap { max-width: var(--container-max); margin: 0 auto; padding: 12px 14px 0; }
@media (min-width: 860px) { .crumb-wrap { padding: 18px 32px 0; } }
/* Breadcrumb trong dải .crumb-wrap: thu nhỏ trên mobile, trả về text-sm từ ≥860px.
   Nguồn duy nhất — trước đây lặp ở catalog/product/blog/du-an.css. */
.crumb-wrap .breadcrumb { font-size: 11.5px; }
@media (min-width: 860px) { .crumb-wrap .breadcrumb { font-size: var(--text-sm); } }

/* ---- Form field (Input / Select) -------------------------------------- */
.field { display: flex; flex-direction: column; gap: 6px; font-family: var(--font-body); }
.field__label { font-size: var(--text-sm); font-weight: var(--weight-semibold); color: var(--text-primary); }
.field__control { position: relative; display: flex; align-items: center; }
.field__control .icon { position: absolute; left: 12px; width: 16px; height: 16px; color: var(--text-tertiary); display: flex; }
.field input,
.field select {
  width: 100%;
  padding: 10px 12px;
  font-size: var(--text-base);
  font-family: inherit;
  color: var(--text-primary);
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}
.field__control .icon + input { padding-left: 36px; }
.field input:focus,
.field select:focus { border-color: var(--border-focus); box-shadow: var(--shadow-focus); }
.field input.is-error { border-color: var(--red-500); }
.field__helper { font-size: var(--text-xs); color: var(--text-tertiary); }
.field__error  { font-size: var(--text-xs); color: var(--red-600); }

/* ==========================================================================
   Header — from ds-handoff/Header.jsx (responsive, breakpoint 860px)
   ========================================================================== */
.site-header {
  background: var(--surface-card);
  border-bottom: 1px solid var(--border-default);
}
/* utility bar */
.site-header__utility { background: var(--gray-900); color: var(--gray-400); font-size: 12px; }
.site-header__utility .container {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; padding-top: 7px; padding-bottom: 7px;
}
.site-header__utility a { color: var(--gray-400); display: flex; align-items: center; gap: 6px; }
.site-header__utility i { color: var(--gray-500); }
.site-header__utility-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.site-header__utility-right span { display: flex; align-items: center; gap: 6px; }

/* main bar */
.site-header__bar {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  padding-top: 14px; padding-bottom: 14px;
}
.site-header__logo { flex: none; display: flex; align-items: center; }
.site-header__logo img { height: 44px; display: block; }
.site-header__search { flex: 1 1 260px; min-width: 200px; position: relative; }
.site-header__search i {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  color: var(--text-tertiary); font-size: 14px; pointer-events: none;
}
.site-header__search input {
  width: 100%; height: 44px; border: 1px solid var(--border-default);
  border-radius: var(--radius-sm); background: var(--surface-card);
  padding: 0 14px 0 40px; font-size: var(--text-base); font-family: var(--font-body);
  color: var(--text-primary); outline: none;
}
.site-header__actions { flex: none; display: flex; align-items: center; gap: 12px; }
.site-header__hotline {
  display: flex; align-items: center; gap: 9px; height: 42px;
  background: var(--color-accent); color: var(--text-inverse); padding: 0 18px;
  border-radius: var(--radius-sm); font-family: var(--font-display);
  font-weight: var(--weight-semibold); font-size: var(--text-base); white-space: nowrap;
}
.site-header__hotline:hover { background: var(--color-accent-hover); color: var(--text-inverse); }
.site-header__cart {
  position: relative; display: flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border: 1.5px solid var(--border-default);
  border-radius: var(--radius-sm); color: var(--text-primary);
}
.site-header__cart-count {
  position: absolute; top: -6px; right: -6px; background: var(--color-primary); color: #fff;
  font-size: 11px; font-weight: 700; width: 18px; height: 18px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
/* primary nav */
.site-nav { border-top: 1px solid var(--border-default); }
.site-nav .container { display: flex; align-items: center; gap: 30px; flex-wrap: wrap; }
.site-nav a {
  padding: 12px 0 10px; border-bottom: 2px solid transparent;
  font-family: var(--font-display); font-weight: var(--weight-semibold); font-size: var(--text-sm);
  text-transform: uppercase; letter-spacing: var(--tracking-wide); color: var(--text-secondary);
}
.site-nav a:hover { color: var(--color-primary); }
.site-nav a.is-active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

/* --- Menu con của nav chính -------------------------------------------
   Chỉ chạy ở desktop (≥860px) vì .site-nav ẩn ở mobile — mobile dùng drawer.
   Các rule .site-nav__sub a PHẢI nằm sau .site-nav a ở trên: hai selector
   cùng độ đặc hiệu (1 class + 1 element), cái đứng sau mới thắng. */
.site-nav__item { position: relative; display: flex; align-items: center; gap: 2px; }
.site-nav__caret {
  background: none; border: 0; cursor: pointer; line-height: 1;
  padding: 12px 6px 10px; color: var(--text-tertiary); font-size: 10px;
}
.site-nav__item:hover .site-nav__caret,
.site-nav__item.is-open .site-nav__caret { color: var(--color-primary); }
.site-nav__caret i { transition: transform .15s ease; }
.site-nav__item.is-open .site-nav__caret i { transform: rotate(180deg); }

.site-nav__sub {
  position: absolute; top: 100%; left: -14px; z-index: 72;
  min-width: 264px; padding: 6px 0;
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-top: 2px solid var(--color-primary);
  box-shadow: 0 12px 28px rgba(15, 23, 42, .12);
  opacity: 0; visibility: hidden; transform: translateY(4px);
  transition: opacity .14s ease, transform .14s ease, visibility .14s;
}
.site-nav__item:hover .site-nav__sub,
.site-nav__item:focus-within .site-nav__sub,
.site-nav__item.is-open .site-nav__sub {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.site-nav__sub a {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 8px 16px; border-bottom: 0;
  font-size: var(--text-sm); font-weight: var(--weight-medium);
  text-transform: none; letter-spacing: 0; white-space: nowrap;
  color: var(--text-secondary);
}
.site-nav__sub a:hover { background: var(--surface-primary-subtle); color: var(--color-primary); }
.site-nav__sub a.is-active { color: var(--color-primary); border-bottom-color: transparent; }
.site-nav__sub-count {
  font-size: var(--text-xs); color: var(--text-tertiary); font-variant-numeric: tabular-nums;
}
.site-nav__sub a:hover .site-nav__sub-count { color: var(--color-primary); }

@media (prefers-reduced-motion: reduce) {
  .site-nav__sub,
  .site-nav__caret i { transition: none; }
}

/* --- MOBILE-FIRST: mặc định ẩn phần desktop, hiện header mobile --------- */
.site-header__utility { display: none; }
.site-header__bar { display: none; }
.site-nav { display: none; }
.site-header__mobile { display: block; padding: 10px 14px; }
.site-header__mobile-row { display: flex; align-items: center; gap: 10px; }
.site-header__burger {
  width: 38px; height: 38px; border: none; background: transparent; color: var(--text-primary);
  display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); cursor: pointer;
}
.site-header__mobile-logo { flex: 1; display: flex; align-items: center; justify-content: center; }
.site-header__mobile-logo img { height: 30px; display: block; }
.site-header__mobile-search { margin-top: 10px; position: relative; }
.site-header__mobile-search input {
  width: 100%; height: 40px; border: 1px solid var(--border-default); border-radius: var(--radius-full);
  background: var(--surface-sunken); padding: 0 40px 0 36px; font-size: 13px;
  font-family: var(--font-body); color: var(--text-primary); outline: none;
}
.site-header__mobile-search > i {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--text-tertiary); font-size: 13px; pointer-events: none; z-index: 1;
}
.site-header__mobile-search button {
  position: absolute; right: 4px; top: 50%; transform: translateY(-50%); width: 32px; height: 32px;
  border: none; background: var(--color-primary); color: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}

/* --- Gợi ý tìm kiếm (autocomplete) — gắn dưới ô search desktop & mobile ---- */
.lp-suggest {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0; z-index: 60;
  background: var(--surface-card); border: 1px solid var(--border-default);
  border-radius: var(--radius-sm); box-shadow: var(--shadow-md); overflow: hidden; display: none;
}
.lp-suggest.is-open { display: block; }
.lp-suggest__item { display: flex; align-items: center; gap: 10px; padding: 8px 12px; color: var(--text-primary); }
.lp-suggest__item:hover, .lp-suggest__item.is-active { background: var(--surface-sunken); }
.lp-suggest__thumb {
  width: 40px; height: 40px; flex: none; object-fit: contain;
  border-radius: var(--radius-sm); background: var(--surface-sunken);
}
.lp-suggest__thumb--ph { display: flex; align-items: center; justify-content: center; color: var(--text-tertiary); font-size: 15px; }
.lp-suggest__body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.lp-suggest__name {
  font-size: 13px; font-weight: 600; line-height: 1.3; color: var(--text-primary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.lp-suggest__price { font-size: 12px; font-weight: 700; color: var(--color-accent); }
.lp-suggest__all {
  display: block; text-align: center; padding: 9px; font-size: 12px; font-weight: 700;
  color: var(--color-primary); background: var(--surface-sunken); border-top: 1px solid var(--border-default);
}
.lp-suggest__all:hover { color: var(--color-primary-hover); }
.lp-suggest__empty { padding: 14px 12px; text-align: center; color: var(--text-tertiary); font-size: 13px; }
.lp-suggest__loading { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 12px; color: var(--text-tertiary); font-size: 13px; }
.lp-suggest__loading i { color: var(--color-primary); }

/* --- Desktop ≥860px: hiện utility + bar + nav, ẩn header mobile -------- */
@media (min-width: 860px) {
  .site-header__utility { display: block; }
  .site-header__bar { display: flex; }
  .site-nav { display: block; }
  .site-header__mobile { display: none; }
}

/* ==========================================================================
   Footer — from ds-handoff/Footer.jsx
   ========================================================================== */
/* MOBILE-FIRST base */
.site-footer {
  background: var(--gray-900); color: var(--gray-400);
  /* Chừa chỗ cho .mbar + ~24px thoáng; env() cho máy có notch. */
  padding: 24px 14px calc(var(--mbar-height) + 24px + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--gray-800);
}
.site-footer__grid { max-width: var(--container-max); margin: 0 auto; display: grid; grid-template-columns: 1fr; gap: 0; }
.site-footer__grid .site-footer__col { display: none; }   /* mobile: cột chuyển vào accordion */
.site-footer__brand img { height: 30px; margin-bottom: 12px; }
.site-footer__brand p.desc { font-size: 12px; line-height: 1.55; color: var(--gray-400); margin-bottom: 6px; }
.site-footer__brand p.company { font-size: 10.5px; line-height: 1.5; color: var(--gray-600); }
.site-footer__col h4 { color: #fff; font-size: var(--text-base); margin-bottom: 14px; text-transform: uppercase; letter-spacing: var(--tracking-wide); }
.site-footer__col .links { display: flex; flex-direction: column; gap: 10px; }
.site-footer__col a, .site-footer__acc-body a,
.site-footer__line { color: var(--gray-400); display: flex; align-items: flex-start; gap: 6px; font-size: var(--text-sm); }
.site-footer__col a:hover, .site-footer__acc-body a:hover { color: var(--gray-300); }
.site-footer__col a i, .site-footer__acc-body a i,
.site-footer__line i { margin-top: 4px; font-size: 11px; }
.site-footer__bar {
  max-width: var(--container-max); margin: 6px auto 0; padding-top: 16px; border-top: 1px solid var(--gray-800);
  display: flex; flex-direction: column; align-items: flex-start; gap: 10px;
}
.site-footer__bar .copy { font-size: 10.5px; color: var(--gray-600); }
.site-footer__notice { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border: 1px solid var(--gray-800); border-radius: var(--radius-sm); color: var(--gray-400); font-size: 11px; }
.site-footer__notice i { color: var(--green-600); }

/* footer accordion (mobile) */
.site-footer__accordion { display: block; margin-top: 12px; }
.site-footer__acc-item { border-top: 1px solid var(--gray-800); }
.site-footer__acc-head {
  display: flex; align-items: center; justify-content: space-between; padding: 14px 0; cursor: pointer;
  color: #fff; font-family: var(--font-display); font-weight: 700; font-size: 12px;
  text-transform: uppercase; letter-spacing: .05em;
}
.site-footer__acc-head i { color: var(--gray-500); font-size: 11px; }
.site-footer__acc-body { padding-bottom: 14px; display: none; flex-direction: column; gap: 8px; }
.site-footer__acc-item.is-open .site-footer__acc-body { display: flex; }

/* Desktop ≥860px: grid cột, ẩn accordion */
@media (min-width: 860px) {
  .site-footer { padding: 64px 32px 28px; }
  .site-footer__grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 32px; }
  .site-footer__grid .site-footer__col { display: block; }
  .site-footer__brand img { height: 36px; margin-bottom: 16px; }
  .site-footer__brand p.desc { font-size: var(--text-sm); margin-bottom: 10px; }
  .site-footer__brand p.company { font-size: 11.5px; }
  .site-footer__accordion { display: none; }
  .site-footer__bar { margin: 40px auto 0; padding-top: 20px; flex-direction: row; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
  .site-footer__bar .copy { font-size: var(--text-xs); }
}

/* ==========================================================================
   Tabs — MOBILE-FIRST (base: cuộn ngang pill; desktop: wrap)
   ========================================================================== */
.tabs { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; margin: 0 -14px 14px; padding: 2px 14px; }
.tabs::-webkit-scrollbar { display: none; }
.tabs__item {
  flex: none; white-space: nowrap; height: 32px; padding: 0 14px;
  border: 1px solid var(--border-default); border-radius: var(--radius-full);
  background: var(--surface-card); color: var(--text-secondary);
  font-family: var(--font-display); font-weight: 600; font-size: 11.5px; cursor: pointer;
  display: inline-flex; align-items: center;
  transition: all var(--duration-fast) var(--ease-standard);
}
.tabs__item:hover { border-color: var(--border-strong); }
.tabs__item.is-active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
@media (min-width: 860px) {
  .tabs { flex-wrap: wrap; overflow: visible; gap: 10px; margin: 0 0 24px; padding: 0; }
  .tabs__item { height: auto; padding: 7px 14px; border-radius: var(--radius-sm); font-size: var(--text-sm); font-weight: var(--weight-medium); font-family: var(--font-body); }
}