/* ════════════════════════════════════════════════════════════
   product-page.css  —  Cát Tường Bakery · Product Page Styles
   Link this AFTER style.css in your HTML:
     <link rel="stylesheet" href="style.css" />
     <link rel="stylesheet" href="product-page.css" />
   ════════════════════════════════════════════════════════════ */

body { background: rgb(251,243,206); overflow-x: hidden;}


/* ══════════════════════════════════════════════════════════
   HERO SECTION
══════════════════════════════════════════════════════════ */
.product-hero {
  background-image: url(../images/cover-product.jpg);
  padding: 4rem 2rem 3rem;
  text-align: center;
}
.product-hero h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: #000000;
}
.product-hero h1 em  { color: rgb(93, 64, 14); font-style: italic; }
.product-hero p      { color: rgba(0, 0, 0, 0.905); margin-top: .5rem; }


/* ══════════════════════════════════════════════════════════
   MAIN LAYOUT  (sidebar + content grid)
══════════════════════════════════════════════════════════ */
.product-layout {
  max-width: 1200px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2.5rem;
}


/* ══════════════════════════════════════════════════════════
   SIDEBAR  (unchanged from original)
══════════════════════════════════════════════════════════ */
.cat-sidebar {
  background: #fff;
  border-radius: 16px;
  padding: 1.5rem 1rem;
  box-shadow: 0 4px 20px rgba(84,51,4,.08);
  position: sticky;
  top: 90px;
}
.cat-sidebar h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--brown-dark);
  margin-bottom: 1rem;
  padding-bottom: .6rem;
  border-bottom: 1px solid var(--linen);
}

.cat-list                       { list-style: none; display: flex; flex-direction: column; gap: .3rem; }
.cat-list li button {
  width: 100%;
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .6rem .9rem;
  border: none;
  border-radius: 10px;
  background: transparent;
  font-family: 'Glory', sans-serif;
  font-size: .9rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  text-align: left;
  transition: background .2s, color .2s;
}
.cat-list li button:hover       { background: var(--parchment); color: var(--brown-dark); }
.cat-list li button.active      { background: var(--gold); color: var(--brown-dark); }

.cat-emoji { font-size: 1.1rem; }
.cat-count {
  margin-left: auto;
  font-size: .72rem;
  background: rgba(84,51,4,.1);
  padding: .15rem .5rem;
  border-radius: 99px;
  color: var(--brown-mid);
}
.cat-list li button.active .cat-count { background: rgba(84,51,4,.2); }

/* Mobile toggle for sidebar */
.cat-mobile-toggle {
  display: none;
  width: 100%;
  padding: .8rem 1.2rem;
  background: var(--brown-dark);
  color: var(--gold);
  font-family: 'Glory', sans-serif;
  font-size: .95rem;
  font-weight: 700;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  margin-bottom: 1.2rem;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
}


/* ══════════════════════════════════════════════════════════
   PRODUCT LIST  —  horizontal row format
══════════════════════════════════════════════════════════ */
.product-count {
  font-size: .82rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-weight: 600;
}

/* Wrapper for all rows */
.product-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ──────────────────────────────────────────────────────────
   .product-row  —  the copy-paste unit (one row = one product)
   ────────────────────────────────────────────────────────── */
.product-row {
  display: flex;
  align-items: center;
  gap: 20px;
  background: #fff;
  border-radius: 16px;
  padding: 14px;
  box-shadow: 0 4px 20px rgba(84,51,4,.07);
  cursor: pointer;
  transition: box-shadow .25s, transform .25s;
}
.product-row:hover {
  box-shadow: 0 8px 32px rgba(84,51,4,.16);
  transform: translateY(-2px);
}

/* Image wrapper — enforces 3:4 aspect ratio */
.product-row-img-wrap {
  flex-shrink: 0;
  width: 120px;              /* ← adjust thumbnail width here */
  aspect-ratio: 3 / 4;
  border-radius: 10px;
  overflow: hidden;
  background: var(--linen, #f0e8d5);
}
.product-row-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .35s ease;
}
.product-row:hover .product-row-img-wrap img { transform: scale(1.06); }

/* Text info */
.product-row-info  { flex: 1; min-width: 0; }
.product-row-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--brown-dark, #3a2005);
  margin: 0 0 .35rem;
  line-height: 1.3;
}
.product-row-sub {
  font-family: 'Glory', sans-serif;
  font-size: .82rem;
  color: var(--text-muted, #999);
  margin: 0;
}

/* Arrow chevron */
.product-row-arrow {
  flex-shrink: 0;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--gold, #d4a94a);
  display: flex; align-items: center; justify-content: center;
  color: var(--brown-dark, #3a2005);
  font-size: .85rem;
  transition: background .2s, color .2s;
}
.product-row:hover .product-row-arrow {
  background: var(--brown-dark, #3a2005);
  color: var(--gold, #d4a94a);
}

/* Empty state */
.empty-cat   { text-align: center; padding: 3rem 1rem; color: var(--text-muted); }
.empty-cat i { font-size: 2.5rem; color: var(--linen); margin-bottom: .8rem; display: block; }


/* ══════════════════════════════════════════════════════════
   PRODUCT DETAIL LIGHTBOX  (overlay + modal card)
══════════════════════════════════════════════════════════ */

/* Backdrop */
.pdlb {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.75);
  z-index: 700;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  overflow-y: auto;
}
.pdlb.active { display: flex; }

/* Modal card */
.pdlb-card {
  background: #fff;
  border-radius: 20px;
  width: 100%;
  max-width: 860px;
  max-height: 92vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 24px 80px rgba(0,0,0,.35);
  scroll-behavior: smooth;
}

/* Close button (sticky so it stays visible while scrolling) */
.pdlb-close {
  position: sticky;
  top: 12px;
  float: right;
  margin: 12px 12px 0 0;
  z-index: 10;
  background: var(--brown-dark, #3a2005);
  border: none;
  color: #fff;
  width: 36px; height: 36px;
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.pdlb-close:hover { background: #c0392b; }

/* ── Top section: image gallery (left) + info (right) ── */
.pdlb-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 28px 28px 0;
  gap: 0;
  clear: both;
}

/* Gallery column */
.pdlb-gallery { display: flex; flex-direction: column; gap: 10px; }

.pdlb-main-img-wrap {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: var(--linen, #f0e8d5);
  aspect-ratio: 1 / 1;
}
.pdlb-main-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}

/* Prev / Next nav on main image */
.pdlb-img-nav {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  background: rgba(255,255,255,.8);
  border: none;
  width: 36px; height: 36px;
  border-radius: 50%;
  font-size: .9rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--brown-dark, #3a2005);
  transition: background .2s;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
}
.pdlb-img-nav:hover { background: #fff; }
.pdlb-img-prev { left: 10px; }
.pdlb-img-next { right: 10px; }

/* Thumbnail strip */
.pdlb-thumbs { display: flex; gap: 8px; flex-wrap: wrap; }
.pdlb-thumb {
  width: 60px; height: 60px;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color .2s;
  flex-shrink: 0;
}
.pdlb-thumb.active { border-color: var(--gold, #d4a94a); }
.pdlb-thumb img    { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Info column */
.pdlb-info {
  padding: 0 0 0 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pdlb-category-tag {
  display: inline-block;
  font-family: 'Glory', sans-serif;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: var(--gold, #d4a94a);
  color: var(--brown-dark, #3a2005);
  padding: .25rem .7rem;
  border-radius: 99px;
  align-self: flex-start;
}

.pdlb-product-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1.2rem, 2.5vw, 1.7rem);
  font-weight: 700;
  color: var(--brown-dark, #3a2005);
  margin: 0;
  line-height: 1.25;
}

/* Filling note */
.pdlb-filling-note {
  font-family: 'Glory', sans-serif;
  font-size: .88rem;
  font-weight: 700;
  color: var(--brown-dark, #3a2005);
  background: rgba(84,51,4,.06);
  border-left: 3px solid var(--gold, #d4a94a);
  padding: .6rem .9rem;
  border-radius: 0 8px 8px 0;
}


/* ── Product Information section (bottom, revealed on scroll) ── */
.pdlb-detail {
  padding: 24px 28px 32px;
}

.pdlb-detail-tab-header {
  font-family: 'Glory', sans-serif;
  font-size: .85rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--brown-dark, #3a2005);
  padding-bottom: .6rem;
  border-bottom: 2px solid var(--brown-dark, #3a2005);
  margin-bottom: 1.2rem;
  display: inline-block;
}

.pdlb-detail-section-title {
  font-family: 'Glory', sans-serif;
  font-size: .8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-muted, #999);
  margin: 1rem 0 .5rem;
}

.pdlb-detail-body {
  font-family: 'Glory', sans-serif;
  font-size: .9rem;
  color: #555;
  line-height: 1.75;
}
.pdlb-detail-body ul {
  list-style: none;
  padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: .3rem;
}
.pdlb-detail-body ul li::before {
  content: '–  ';
  color: var(--gold, #d4a94a);
  font-weight: 800;
}

/* Large image inside detail section */
.pdlb-detail-img {
  width: 100%;
  border-radius: 12px;
  margin-top: 1rem;
  object-fit: cover;
  max-height: 400px;
}
footer {
  width: 100vw;
}


/* ══════════════════════════════════════════════════════════
   RESPONSIVE MEDIA QUERIES
══════════════════════════════════════════════════════════ */

/* ── Tablet (≤ 900px): stack lightbox columns ── */
@media (max-width: 900px) {
  .pdlb-top {
    grid-template-columns: 1fr;
    padding: 20px 20px 0;
  }
  .pdlb-info  { padding: 16px 0 0; }
  .pdlb-detail { padding: 20px 20px 28px; }
}

/* ── Mobile (≤ 768px): sidebar collapses, list adjusts ── */
@media (max-width: 768px) {
  /* Layout */
  .product-layout {
    grid-template-columns: 1fr;
    gap: 0;
    padding-top: 1.5rem;
  }

  /* Sidebar */
  .cat-mobile-toggle { display: flex; }
  .cat-sidebar       { position: static; display: none; margin-bottom: 1.5rem; }
  .cat-sidebar.open  { display: block; }

  /* Product row */
  .product-row-img-wrap { width: 90px; }
  .product-row-name     { font-size: 1rem; }

  /* Lightbox */
  .pdlb        { padding: .5rem; align-items: flex-end; }
  .pdlb-card   { max-height: 96vh; border-radius: 20px 20px 0 0; }
  .pdlb-thumb  { width: 48px; height: 48px; }
}

/* ── Small mobile (≤ 420px): image goes full-width ── */
@media (max-width: 420px) {
  .product-row             { flex-wrap: wrap; }
  .product-row-img-wrap    { width: 100%; aspect-ratio: 16 / 9; }
}