/* ===========================================================
   INCLUDE_HOME_POPULAR.CSS
   FILE SOURCE:
   static/css/pages/test_pages_css/include_home_popular.css

   PURPOSE:
   - Homepage Best Sellers / Sản phẩm bán chạy section.
   - Server-rendered product cards.
   - Mobile: horizontal scroll.
   - Desktop:
     960px - 1199px = 3 + 3 grid.
     1200px+ = 6 cards in one row.
   - Uses root variables from skeleton base.

   ROOT VARIABLES USED:
   - --page-max-width: 1180px
   - --color-primary
   - --color-accent
   - --color-accent-dark
   - --color-bg
   - --color-bg-soft
   - --color-card
   - --color-muted
   - --color-border
   - --color-natural

   HTML TRACEBACK:
   templates/pages/test_pages_html/include_home_popular.html

   CARD BODY ORDER:
   1. Product name
   2. Price / promotion price
   3. Unit badge
   4. Grade badge

   DESIGN RULE:
   - Product name, price, unit, and grade are left-aligned.
   - Price has only a thin bottom border.
   - Unit / grade badges stay below the price separator.
   - Body height is compact to reduce blank space below grade badge.
   =========================================================== */


/* ===========================================================
   01. SECTION BASE
   =========================================================== */

.home-popular {
  width: 100%;
  background: var(--color-bg);
}

.home-popular,
.home-popular * {
  box-sizing: border-box;
}

.home-popular-inner {
  width: min(calc(100% - 32px), var(--page-max-width, 1180px));
  margin: 0 auto;
  padding: 8px 0 32px;
}


/* ===========================================================
   02. HEADING
   =========================================================== */

.home-popular-heading-row {
  position: relative;

  display: flex;
  align-items: center;
  justify-content: center;

  margin-bottom: 16px;
}

.home-popular-heading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;

  text-align: center;
}

.home-popular-heading h2 {
  margin: 0;

  color: var(--color-primary);
  font-size: clamp(1.25rem, 1rem + 1vw, 1.8rem);
  font-weight: 800;
  line-height: 1.2;
}

.home-section-line {
  width: clamp(34px, 8vw, 90px);
  height: 1px;

  display: inline-block;

  background: linear-gradient(
    90deg,
    transparent,
    rgba(185, 130, 47, 0.65),
    transparent
  );
}

.home-popular-view-all {
  position: absolute;
  right: 0;

  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
}

.home-popular-view-all:hover {
  color: var(--color-accent-dark);
}


/* ===========================================================
   03. MOBILE TRACK
   0px - 959px

   PURPOSE:
   - Keep homepage compact on mobile.
   - Product cards scroll horizontally.
   =========================================================== */

.home-popular-track {
  display: flex;
  align-items: stretch;
  gap: 14px;

  overflow-x: auto;
  overflow-y: hidden;

  padding: 2px 2px 10px;

  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.home-popular-track::-webkit-scrollbar {
  height: 6px;
}

.home-popular-track::-webkit-scrollbar-track {
  background: rgba(232, 222, 208, 0.65);
  border-radius: 999px;
}

.home-popular-track::-webkit-scrollbar-thumb {
  background: rgba(185, 130, 47, 0.55);
  border-radius: 999px;
}


/* ===========================================================
   04. PRODUCT CARD BASE
   =========================================================== */

.home-popular-card {
  flex: 0 0 auto;
  width: clamp(145px, 42vw, 168px);

  overflow: hidden;

  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: var(--color-card);
  box-shadow: 0 8px 22px rgba(43, 33, 24, 0.06);

  scroll-snap-align: start;

  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    border-color 0.18s ease;
}

.home-popular-card:hover {
  transform: translateY(-2px);
  border-color: rgba(185, 130, 47, 0.45);
  box-shadow: 0 14px 32px rgba(43, 33, 24, 0.1);
}


/* ===========================================================
   05. PRODUCT IMAGE
   =========================================================== */

.home-popular-media-link {
  display: block;
  text-decoration: none;
}

.home-popular-media {
  width: 100%;
  aspect-ratio: 1 / 1;

  overflow: hidden;

  background: var(--color-bg-soft);
}

.home-popular-media img {
  width: 100%;
  height: 100%;

  display: block;

  object-fit: cover;
  object-position: center;
}


/* ===========================================================
   06. CARD BODY
   PURPOSE:
   - All product information aligns left.
   - Compact height to reduce blank space below grade badge.
   - No fixed large min-height.
   =========================================================== */

.home-popular-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;

  padding: 9px 10px 7px;

  text-align: left;
}


/* ===========================================================
   07. PRODUCT NAME
   PURPOSE:
   - Max 2 lines.
   - Fixed visual height.
   - Left aligned.
   =========================================================== */

.home-popular-name {
  width: 100%;

  margin: 0 0 7px;

  text-align: left;
}

.home-popular-name a {
  width: 100%;
  min-height: 2.35em;

  display: -webkit-box;

  color: var(--color-primary);
  font-size: clamp(0.78rem, 2.5vw, 0.92rem);
  font-weight: 800;
  line-height: 1.18;
  text-align: left;
  text-decoration: none;

  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.home-popular-name a:hover {
  color: var(--color-accent-dark);
}


/* ===========================================================
   08. PRICE
   PURPOSE:
   - Price is below title.
   - Price has only a thin bottom border.
   - This separates price from unit/grade badges below.
   =========================================================== */

.home-popular-price {
  width: 100%;

  display: flex;
  align-items: baseline;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 6px;

  margin: 0 0 6px;
  padding: 0 0 6px;

  border-bottom: 1px solid rgba(185, 130, 47, 0.28);

  text-align: left;
}

.home-popular-price-main {
  color: var(--color-primary);
  font-size: 0.88rem;
  font-weight: 900;
  line-height: 1.2;
  text-align: left;
}

.home-popular-price-old {
  color: var(--color-muted);
  font-size: 0.72rem;
  font-weight: 500;
  line-height: 1.2;
  text-align: left;
  text-decoration: line-through;
}


/* ===========================================================
   09. META AREA: UNIT + GRADE
   PURPOSE:
   - Badges are below price separator.
   - Badges are content-width.
   - Badges are left-aligned.
   - Compact gap to reduce blank card body height.
   =========================================================== */

.home-popular-meta {
  width: 100%;

  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;

  margin: 0;
  padding: 0;

  text-align: left;
}

.home-popular-badge {
  max-width: 100%;
  width: fit-content;

  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 3px;

  padding: 2px 7px;

  border-radius: 999px;

  color: var(--color-muted);
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.2;
  text-align: left;

  white-space: nowrap;
}

.home-popular-unit {
  align-self: flex-start;
  background: rgba(78, 96, 69, 0.08);
}

.home-popular-grade {
  align-self: flex-start;
  background: rgba(185, 130, 47, 0.1);
}

.home-popular-badge-label,
.home-popular-badge-value {
  display: inline-block;

  min-width: 0;

  overflow: hidden;
  text-overflow: ellipsis;
}

.home-popular-badge-label {
  flex: 0 0 auto;
}

.home-popular-badge-value {
  flex: 1 1 auto;
}


/* ===========================================================
   10. EMPTY STATE
   =========================================================== */

.home-popular-empty {
  padding: 18px;

  border: 1px dashed var(--color-border);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.45);

  color: var(--color-muted);
  text-align: center;
  font-size: 0.95rem;
}


/* ===========================================================
   11. TINY PHONE
   0px - 320px
   =========================================================== */

@media (max-width: 320px) {
  .home-popular-inner {
    width: min(calc(100% - 18px), var(--page-max-width, 1180px));
  }

  .home-popular-heading-row {
    margin-bottom: 20px;
  }

  .home-popular-heading {
    gap: 8px;
  }

  .home-popular-heading h2 {
    font-size: 1.12rem;
  }

  .home-section-line {
    width: 28px;
  }

  .home-popular-view-all {
    display: none;
  }

  .home-popular-card {
    width: 136px;
  }

  .home-popular-body {
    padding: 8px 8px 6px;
  }

  .home-popular-name a {
    font-size: 0.72rem;
  }

  .home-popular-price {
    padding-bottom: 5px;
    margin-bottom: 5px;
  }

  .home-popular-price-main {
    font-size: 0.78rem;
  }

  .home-popular-price-old {
    font-size: 0.64rem;
  }

  .home-popular-meta {
    gap: 3px;
  }

  .home-popular-badge {
    padding: 2px 6px;
    font-size: 0.6rem;
  }
}


/* ===========================================================
   12. MAIN MOBILE
   321px - 640px

   PURPOSE:
   - Put "Xem tất cả" on its own line.
   - Add enough gap before product cards.
   =========================================================== */

@media (min-width: 321px) and (max-width: 640px) {
  .home-popular-inner {
    width: min(calc(100% - 24px), var(--page-max-width, 1180px));
  }

  .home-popular-heading-row {
    flex-direction: column;
    gap: 6px;

    margin-bottom: 24px;
  }

  .home-popular-view-all {
    position: static;

    display: inline-flex;
    align-self: flex-end;

    margin-top: 2px;
    margin-right: 2px;

    font-size: 0.78rem;
  }

  .home-popular-price {
    padding-bottom: 5px;
    margin-bottom: 5px;
  }

  .home-popular-meta {
    gap: 3px;
  }
}


/* ===========================================================
   13. TABLET
   641px - 959px
   =========================================================== */

@media (min-width: 641px) and (max-width: 959px) {
  .home-popular-inner {
    width: min(calc(100% - 44px), var(--page-max-width, 1180px));
  }

  .home-popular-track {
    gap: 18px;
  }

  .home-popular-card {
    width: 174px;
  }

  .home-popular-body {
    padding-bottom: 7px;
  }
}


/* ===========================================================
   14. DESKTOP BASE
   960px+
   =========================================================== */

@media (min-width: 960px) {
  .home-popular-inner {
    width: min(calc(100% - 36px), var(--page-max-width, 1180px));
    padding-top: 14px;
    padding-bottom: 42px;
  }

  .home-popular-track {
    display: grid;

    overflow: visible;
    padding: 0;

    scroll-snap-type: none;
  }

  .home-popular-card {
    width: auto;
  }

  .home-popular-name a {
    font-size: 0.86rem;
  }

  .home-popular-body {
    padding-bottom: 7px;
  }
}


/* ===========================================================
   15. SMALL DESKTOP
   960px - 1199px

   LAYOUT:
   - 6 products = 3 + 3
   =========================================================== */

@media (min-width: 960px) and (max-width: 1199px) {
  .home-popular-track {
    grid-template-columns: repeat(3, 210px);
    justify-content: center;
    column-gap: 28px;
    row-gap: 24px;
  }

  .home-popular-card {
    width: 210px;
  }
}


/* ===========================================================
   16. NORMAL DESKTOP
   1200px+

   LAYOUT:
   - 6 products in one row.
   - Uses full --page-max-width area.
   =========================================================== */

@media (min-width: 1200px) {
  .home-popular-track {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 16px;
  }

  .home-popular-card {
    min-width: 0;
  }
}


/* ===========================================================
   17. WIDE DESKTOP
   1680px+

   NOTE:
   - Still follows --page-max-width: 1180px.
   =========================================================== */

@media (min-width: 1680px) {
  .home-popular-track {
    gap: 18px;
  }
}