/* ==========================================================================
   Components — nút, tiêu đề khối, thẻ sản phẩm, huy hiệu, accordion
   Dùng chung cho mọi trang.
   ========================================================================== */

/* ---------- Khối ---------- */
.bb-section { padding-block: var(--bb-section-y); position: relative; }
.bb-section--dough { background: var(--bb-dough); }
.bb-section--white { background: var(--bb-white); }

.bb-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.bb-head--left { text-align: left; margin-inline: 0; }
.bb-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--bb-font-hand);
  font-size: 24px; font-weight: 700;
  color: var(--bb-red);
  line-height: 1.2;
  margin-bottom: 8px;
}
.bb-eyebrow::before, .bb-eyebrow::after {
  content: ""; width: 26px; height: 2px; border-radius: 2px;
  background: currentColor; opacity: .5;
}
.bb-head--left .bb-eyebrow::before { display: none; }
.bb-title { font-size: clamp(30px, 3.6vw, 44px); font-weight: 800; }
.bb-title em { font-style: normal; color: var(--bb-red); }
.bb-lead { margin-top: 14px; color: var(--bb-muted); font-size: 17px; }

/* ---------- Nút ---------- */
.bb-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 26px;
  border: 2px solid transparent; border-radius: 999px;
  font-family: var(--bb-font-body); font-weight: 700; font-size: 16px;
  line-height: 1; cursor: pointer;
  transition: transform .2s ease, background-color .2s ease, color .2s ease, box-shadow .2s ease;
}
.bb-btn svg { width: 20px; height: 20px; flex: none; }
.bb-btn:hover { transform: translateY(-2px); }
.bb-btn--primary { background: var(--bb-red); color: #fff; box-shadow: 0 10px 22px rgba(184, 55, 43, .28); }
.bb-btn--primary:hover { background: var(--bb-red-dark); color: #fff; }
.bb-btn--purple { background: var(--bb-purple); color: #fff; box-shadow: 0 10px 22px rgba(107, 63, 147, .28); }
.bb-btn--purple:hover { background: var(--bb-purple-dark); color: #fff; }
.bb-btn--ghost { background: transparent; color: var(--bb-ink); border-color: var(--bb-ink); }
.bb-btn--ghost:hover { background: var(--bb-ink); color: var(--bb-cream); }
.bb-btn--light { background: #fff; color: var(--bb-red); }
.bb-btn--light:hover { background: var(--bb-cream); color: var(--bb-red-dark); }
.bb-btn--sm { min-height: 42px; padding: 0 18px; font-size: 14px; }

.bb-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 700; color: var(--bb-red);
}
.bb-link svg { width: 18px; height: 18px; transition: transform .2s ease; }
.bb-link:hover { color: var(--bb-red-dark); }
.bb-link:hover svg { transform: translateX(4px); }

/* ---------- Huy hiệu ---------- */
.bb-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 12px; border-radius: 999px;
  font-size: 13px; font-weight: 700; line-height: 1.3;
  background: var(--bb-dough); color: var(--bb-ink);
}
.bb-badge--white  { background: #fff; color: var(--bb-ink); border: 1px solid var(--bb-line); }
.bb-badge--purple { background: var(--bb-purple-soft); color: var(--bb-purple-dark); }
.bb-badge--sweet  { background: #fde8de; color: #a3412a; }
.bb-badge--hot    { background: var(--bb-gold); color: #4a2d05; }

/* ---------- Thẻ sản phẩm ---------- */
.bb-grid { display: grid; gap: 28px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.bb-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.bb-card {
  display: flex; flex-direction: column;
  background: #fff; border-radius: var(--bb-radius-lg);
  overflow: hidden; box-shadow: var(--bb-shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
.bb-card:hover { transform: translateY(-6px); box-shadow: var(--bb-shadow-lg); }
.bb-card__media { position: relative; display: block; aspect-ratio: 1 / 1; overflow: hidden; background: var(--bb-dough); }
.bb-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.bb-card:hover .bb-card__media img { transform: scale(1.06); }
.bb-card__flag { position: absolute; top: 14px; left: 14px; }
.bb-card__body { display: flex; flex-direction: column; gap: 10px; flex: 1; padding: 20px 22px 22px; }
.bb-card__title { font-size: 21px; font-weight: 700; }
.bb-card__title a:hover { color: var(--bb-red); }
.bb-card__desc { color: var(--bb-muted); font-size: 15px; }
.bb-card__foot {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-top: auto; padding-top: 14px; border-top: 1px dashed var(--bb-line);
}
.bb-price { font-family: var(--bb-font-head); font-size: 22px; font-weight: 800; color: var(--bb-red); }
.bb-price small { font-family: var(--bb-font-body); font-size: 13px; font-weight: 500; color: var(--bb-muted); }
.bb-price--contact { font-size: 17px; }

/* ---------- Accordion (FAQ) ---------- */
.bb-faq-list { display: grid; gap: 14px; max-width: 860px; margin-inline: auto; }
.bb-faq-item {
  background: #fff; border: 1px solid var(--bb-line); border-radius: var(--bb-radius);
  overflow: hidden;
}
.bb-faq-item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px; cursor: pointer; list-style: none;
  font-weight: 700; font-size: 17px;
}
.bb-faq-item summary::-webkit-details-marker { display: none; }
.bb-faq-item summary::after {
  content: "+"; flex: none;
  display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%;
  background: var(--bb-dough); color: var(--bb-red);
  font-size: 22px; font-weight: 700; line-height: 1;
  transition: transform .2s ease;
}
.bb-faq-item[open] summary::after { content: "–"; background: var(--bb-red); color: #fff; }
.bb-faq-item__a { padding: 0 24px 22px; color: var(--bb-muted); }

/* ---------- Breadcrumb ---------- */
.bb-crumb { display: flex; flex-wrap: wrap; gap: 6px; font-size: 14px; color: var(--bb-muted); }
.bb-crumb a:hover { color: var(--bb-red); }
.bb-crumb span[aria-hidden] { opacity: .5; }

/* ---------- Bộ lọc dạng viên ---------- */
.bb-pills { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 36px; }
.bb-pill {
  display: inline-flex; align-items: center; min-height: 42px; padding: 0 20px;
  border: 1.5px solid var(--bb-line); border-radius: 999px; background: #fff;
  font-weight: 600; font-size: 15px; color: var(--bb-ink); cursor: pointer;
  transition: all .2s ease;
}
.bb-pill:hover { border-color: var(--bb-red); color: var(--bb-red); }
.bb-pill.is-active { background: var(--bb-red); border-color: var(--bb-red); color: #fff; }

/* ---------- Thẻ bài viết ---------- */
.bb-post {
  display: flex; flex-direction: column; background: #fff;
  border-radius: var(--bb-radius-lg); overflow: hidden; box-shadow: var(--bb-shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
.bb-post:hover { transform: translateY(-6px); box-shadow: var(--bb-shadow-lg); }
.bb-post__media { display: block; aspect-ratio: 16 / 10; overflow: hidden; background: var(--bb-dough); }
.bb-post__media img { width: 100%; height: 100%; object-fit: cover; }
.bb-post__body { display: flex; flex-direction: column; gap: 10px; flex: 1; padding: 22px; }
.bb-post__meta { display: flex; flex-wrap: wrap; gap: 8px 14px; font-size: 13px; color: var(--bb-muted); }
.bb-post__meta a { color: var(--bb-red); font-weight: 700; }
.bb-post__title { font-size: 20px; line-height: 1.3; }
.bb-post__title a:hover { color: var(--bb-red); }
.bb-post__excerpt { font-size: 15px; color: var(--bb-muted); }
.bb-post__body .bb-link { margin-top: auto; padding-top: 6px; }

/* ---------- Dải kêu gọi đặt bánh ---------- */
.bb-cta { padding-block: 0 var(--bb-section-y); }
.bb-cta__box {
  position: relative; overflow: hidden;
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: center;
  padding: 56px 60px; border-radius: 36px;
  background: linear-gradient(120deg, var(--bb-red), #d0583a);
  color: #fff;
}
.bb-cta__box::before {
  content: ""; position: absolute; left: -80px; bottom: -120px; width: 300px; height: 300px;
  border-radius: 50%; background: rgba(255, 255, 255, .08);
}
.bb-cta__box h2 { color: #fff; font-size: clamp(28px, 3.2vw, 40px); font-weight: 800; }
.bb-cta__box p { margin-top: 12px; color: rgba(255, 255, 255, .9); font-size: 17px; }
.bb-cta__actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 14px; position: relative; }
.bb-cta__actions .bb-btn--ghost { border-color: #fff; color: #fff; }
.bb-cta__actions .bb-btn--ghost:hover { background: #fff; color: var(--bb-red); }

/* ---------- Đầu trang con ---------- */
.bb-page-hero {
  padding-block: 56px 60px; text-align: center;
  background:
    radial-gradient(circle at 15% 30%, rgba(227, 164, 58, .16), transparent 40%),
    radial-gradient(circle at 90% 70%, rgba(107, 63, 147, .10), transparent 45%),
    var(--bb-dough);
}
.bb-page-hero .bb-crumb { justify-content: center; margin-bottom: 14px; }
.bb-page-hero h1 { font-size: clamp(32px, 4.4vw, 52px); font-weight: 800; }
.bb-page-hero p { max-width: 680px; margin: 14px auto 0; color: var(--bb-muted); font-size: 17px; }

/* ---------- Phân trang ---------- */
.bb-pager { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin-top: 48px; }
.bb-pager .page-numbers {
  display: grid; place-items: center; min-width: 44px; height: 44px; padding: 0 12px;
  border-radius: 999px; background: #fff; border: 1px solid var(--bb-line); font-weight: 700;
}
.bb-pager .page-numbers.current,
.bb-pager a.page-numbers:hover { background: var(--bb-red); border-color: var(--bb-red); color: #fff; }

/* ---------- Văn bản dài (chính sách, bài viết, mô tả sản phẩm) ---------- */
.bb-prose { font-size: 17px; line-height: 1.8; color: #4a382b; }
.bb-prose > * + * { margin-top: 1.1em; }
.bb-prose h2 { margin-top: 1.8em; font-size: 28px; }
.bb-prose h3 { margin-top: 1.6em; font-size: 22px; }
.bb-prose ul, .bb-prose ol { padding-left: 1.4em; }
.bb-prose ul { list-style: disc; }
.bb-prose ol { list-style: decimal; }
.bb-prose li + li { margin-top: .4em; }
.bb-prose a { color: var(--bb-red); text-decoration: underline; text-underline-offset: 3px; }
.bb-prose img { border-radius: var(--bb-radius); }
.bb-prose blockquote {
  margin-inline: 0; padding: 18px 24px; border-left: 4px solid var(--bb-gold);
  background: var(--bb-dough); border-radius: 0 var(--bb-radius) var(--bb-radius) 0;
}
.bb-prose table { width: 100%; border-collapse: collapse; font-size: 15px; }
.bb-prose th, .bb-prose td { padding: 10px 12px; border: 1px solid var(--bb-line); text-align: left; }
.bb-prose th { background: var(--bb-dough); }
.bb-card[hidden], .bb-post[hidden] { display: none; }