/* Trang hướng dẫn: /huong-dan (hub), /huong-dan/{phan-he}, /huong-dan/{phan-he}/{bai}.
   Khối docs-* chép từ <style> của ui-template-v2/huong-dan.html; phần guide-* thiết kế thêm theo cùng hệ biến màu template. */

.guide-hero-meta {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: .8125rem;
  font-weight: 700;
  color: var(--cz-blue-primary);
}

/* ===== Hub: ô tìm kiếm (template) ===== */
.docs-search-box {
  max-width: 620px;
  margin: 32px auto 0;
  position: relative;
}
.docs-search-input {
  width: 100%;
  padding: 16px 24px 16px 54px;
  border-radius: var(--radius-full);
  border: 1px solid var(--bg-card-border);
  background: var(--bg-card);
  color: var(--text-heading);
  font-size: 1rem;
  outline: none;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}
.docs-search-input::placeholder { color: var(--text-muted); }
.docs-search-input:focus {
  border-color: var(--cz-blue-primary);
  box-shadow: 0 0 0 3px rgba(0, 161, 255, 0.2);
}
.docs-search-icon {
  position: absolute;
  top: 50%;
  left: 20px;
  transform: translateY(-50%);
  color: var(--cz-blue-primary);
}

/* Kết quả lọc: nằm trong luồng (hero có overflow: hidden nên không dùng dropdown tuyệt đối) */
.docs-search-results {
  max-width: 620px;
  margin: 12px auto 0;
  text-align: left;
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-height: 420px;
  overflow-y: auto;
}
.docs-search-results[hidden] { display: none; }
.docs-search-results ul { list-style: none; }
.docs-search-results li + li { border-top: 1px solid var(--bg-card-border); }
.docs-search-results a {
  display: block;
  padding: 12px 18px;
  transition: background var(--transition-fast);
}
.docs-search-results a:hover,
.docs-search-results a:focus { background: var(--cz-blue-soft); outline: none; }
.docs-search-results strong { display: block; color: var(--text-heading); font-size: .9375rem; }
.docs-search-path { display: block; font-family: var(--font-mono); font-size: .6875rem; color: var(--cz-blue-primary); }
.docs-search-desc { display: block; margin-top: 2px; font-size: .8125rem; line-height: 1.5; color: var(--text-muted); }
.docs-search-count,
.docs-search-empty { padding: 10px 18px; font-size: .8125rem; color: var(--text-muted); }
.docs-search-count { border-bottom: 1px solid var(--bg-card-border); }

/* ===== Hub: thẻ phân hệ (template) ===== */
.docs-category-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  max-width: 1040px;
  margin: 48px auto 0;
}
.docs-category-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-xl);
  padding: 36px 30px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}
.docs-category-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 161, 255, 0.4);
}
.docs-icon-wrap {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-lg);
  background: var(--cz-blue-soft);
  color: var(--cz-blue-primary);
  display: grid;
  place-items: center;
  margin-bottom: 22px;
}
.docs-category-card:hover .docs-icon-wrap { background: var(--cz-blue-primary); color: #FFFFFF; }
.docs-module-meta {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--cz-blue-primary);
}
.docs-module-title { font-size: 1.35rem; color: var(--text-heading); margin: 6px 0 10px; }
.docs-module-title a:hover { color: var(--cz-blue-primary); }
.docs-module-desc { font-size: .875rem; color: var(--text-body); line-height: 1.6; }

.docs-article-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 20px;
  align-content: start;
  margin-top: 24px;
  border-top: 1px solid var(--bg-card-border);
  padding-top: 20px;
  flex-grow: 1;
}
.docs-article-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .9rem;
  color: var(--text-body);
  transition: all var(--transition-fast);
}
.docs-article-list a:hover { color: var(--cz-blue-primary); padding-left: 4px; }
.docs-article-list a i { color: var(--cz-blue-primary); font-size: .8rem; font-style: normal; }
.docs-article-count { margin-left: auto; font-family: var(--font-mono); font-size: .6875rem; color: var(--text-muted); white-space: nowrap; }
.docs-card-action { margin-top: 24px; }
.docs-card-action .btn { width: 100%; white-space: normal; text-align: center; }

/* ===== CTA cuối trang (bỏ style inline của template) ===== */
.guide-cta { max-width: 760px; position: relative; z-index: 1; }
.guide-cta-title { font-size: 2.25rem; color: var(--text-heading); margin-bottom: 16px; }
.guide-cta-desc { font-size: 1.0625rem; color: var(--text-light-sub); margin-bottom: 32px; }
.guide-cta-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ===== Phân hệ: chip nhóm + lưới bài ===== */
.guide-module { padding-top: 56px; }
.guide-group-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 48px;
}
.guide-group-chips a {
  padding: 7px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--bg-card-border);
  background: var(--bg-card);
  font-size: .875rem;
  font-weight: 600;
  color: var(--text-body);
  transition: all var(--transition-fast);
}
.guide-group-chips a:hover { border-color: var(--cz-blue-primary); color: var(--cz-blue-primary); background: var(--cz-blue-soft); }

.guide-group { scroll-margin-top: 96px; }
.guide-group + .guide-group { margin-top: 48px; }
.guide-group-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.375rem;
  color: var(--text-title);
  margin-bottom: 18px;
}
.guide-group-title::before {
  content: "";
  width: 4px;
  height: 22px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cz-blue-primary), var(--cz-mint));
}
.guide-group-title span { font-family: var(--font-mono); font-size: .75rem; font-weight: 600; color: var(--text-muted); }

.guide-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.guide-card {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}
.guide-card:hover { transform: translateY(-3px); border-color: var(--bg-card-hover-border); box-shadow: var(--shadow-md); }
.guide-card-icon {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--cz-blue-soft);
  color: var(--cz-blue-primary);
}
.guide-card-body { min-width: 0; }
.guide-card-title { display: block; font-weight: 700; color: var(--text-heading); }
.guide-card:hover .guide-card-title { color: var(--cz-blue-primary); }
.guide-card-desc { display: block; margin-top: 4px; font-size: .875rem; line-height: 1.6; color: var(--text-body); }

/* ===== Bài viết ===== */
.hero-subpage.guide-hero { padding: 48px 0 56px; text-align: left; }
.hero-subpage.guide-hero .cz-container { max-width: 1240px; }
.guide-hero .hero-title { margin-bottom: 12px; }
.guide-hero .hero-desc { margin: 0; max-width: 760px; font-size: 1.0625rem; }

.guide-page { padding: 48px 0 92px; background: var(--bg-body); }
.guide-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr) 250px;
  gap: 40px;
  align-items: start;
}

/* Mục lục phân hệ (trái) */
.guide-nav {
  position: sticky;
  top: 96px;
}
.guide-nav summary { display: none; }
/* Thẻ mục lục: cùng kiểu .policy-menu (trang chính sách) - nền thẻ, cuộn bên trong, thanh cuộn chỉ hiện khi hover */
.guide-nav-body {
  position: relative;
  max-height: calc(100vh - 116px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 18px 12px;
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  scrollbar-width: thin;
  scrollbar-color: transparent transparent;
}
.guide-nav-body:hover, .guide-nav-body:focus-within { scrollbar-color: rgba(100, 116, 139, .45) transparent; }
.guide-nav-body::-webkit-scrollbar { width: 6px; }
.guide-nav-body::-webkit-scrollbar-track { background: transparent; margin: 12px 0; }
.guide-nav-body::-webkit-scrollbar-thumb { background: transparent; border-radius: 6px; }
.guide-nav-body:hover::-webkit-scrollbar-thumb, .guide-nav-body:focus-within::-webkit-scrollbar-thumb { background: rgba(100, 116, 139, .45); }
.guide-nav-group + .guide-nav-group { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--bg-card-border); }
.guide-nav-label { padding: 0 10px 6px; font-size: .75rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--text-muted); }
.guide-nav ul,
.guide-toc ul { list-style: none; }
.guide-nav ul { display: flex; flex-direction: column; gap: 2px; }
.guide-nav li a { display: block; padding: 8px 10px; border-radius: var(--radius-md); font-size: .875rem; font-weight: 500; line-height: 1.45; color: var(--text-heading); transition: background var(--transition-fast), color var(--transition-fast); }
.guide-nav li a:hover { background: var(--bg-surface); color: var(--cz-blue-primary); }
.guide-nav li a.active { background: var(--cz-blue-soft); color: var(--cz-blue-primary); font-weight: 600; }

/* Thanh màn hẹp (.guide-mbar) - cùng kiểu .policy-mbar trang chính sách. Desktop ẩn */
.guide-mbar { display: none; grid-column: 1 / -1; position: relative; }
.guide-mbar [hidden] { display: none !important; }
.guide-mbar-item { position: static; }
.guide-mbar-item.is-grow { flex: 1 1 auto; min-width: 0; }
.guide-mbar-btn { width: 100%; display: flex; align-items: center; gap: 10px; padding: 12px 16px; border: 1px solid var(--bg-card-border); border-radius: var(--radius-lg); background: var(--bg-card); box-shadow: var(--shadow-md); font-family: var(--font-body); font-size: .9375rem; font-weight: 700; color: var(--text-heading); white-space: nowrap; cursor: pointer; transition: border-color var(--transition-fast), color var(--transition-fast); }
.guide-mbar-btn > svg:first-child { flex-shrink: 0; color: var(--text-muted); }
.guide-mbar-btn:hover, .guide-mbar-btn[aria-expanded="true"] { border-color: var(--cz-blue-primary); }
.guide-mbar-btn[aria-expanded="true"] > svg:first-child { color: var(--cz-blue-primary); }
.guide-mbar-text { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; text-align: left; }
.guide-mbar-chevron { flex-shrink: 0; color: var(--text-muted); transition: transform var(--transition-fast); }
.guide-mbar-btn[aria-expanded="true"] .guide-mbar-chevron { transform: rotate(180deg); }
.guide-mbar-panel { position: absolute; top: calc(100% + 8px); left: 0; z-index: 5; width: 100%; max-height: min(60vh, 460px); overflow-y: auto; overscroll-behavior: contain; padding: 12px 8px; border: 1px solid var(--bg-card-border); border-radius: var(--radius-lg); background: var(--bg-card); box-shadow: var(--shadow-lg); }
.guide-mbar-panel.is-right { left: auto; right: 0; width: min(320px, calc(100vw - 32px)); }
.guide-mbar-panel-title { padding: 2px 10px 6px; font-size: .6875rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--text-muted); }
.guide-mbar-list + .guide-mbar-panel-title { margin-top: 8px; padding-top: 12px; border-top: 1px solid var(--bg-card-border); }
.guide-mbar-list { list-style: none; margin: 0; display: flex; flex-direction: column; gap: 2px; }
.guide-mbar-list a { display: block; padding: 9px 10px; border-radius: var(--radius-md); font-size: .9375rem; font-weight: 500; line-height: 1.4; color: var(--text-heading); }
.guide-mbar-list a:hover { background: var(--bg-surface); color: var(--cz-blue-primary); }
.guide-mbar-list a.is-active { background: var(--cz-blue-soft); color: var(--cz-blue-primary); font-weight: 600; }
.guide-mbar-list.is-toc a { padding: 7px 10px 7px 12px; border-left: 2px solid transparent; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: .875rem; color: var(--text-body); }
.guide-mbar-list.is-toc a.is-current { border-left-color: var(--cz-blue-primary); color: var(--cz-blue-primary); font-weight: 600; }

/* Thân bài */
.guide-main { min-width: 0; }
.guide-article {
  /* Không đặt bài trong khung (nền, viền, padding 32/36px) để vùng đọc rộng hơn */
  min-width: 0;
}
.guide-content > :first-child { margin-top: 0; }
.guide-content a:not([class]) { color: var(--cz-blue-primary); text-decoration: underline; }
.guide-content h2[id] { scroll-margin-top: 96px; }
.guide-content figure a { display: block; }
/* Nền minh họa trong bài (bg-slate-50) trùng màu thẻ ở chế độ tối: tách bằng nền surface */
[data-theme="dark"] .guide-content .bg-slate-50 { background-color: var(--bg-surface) !important; }

/* Bài trước / bài tiếp */
.guide-pager {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 32px;
}
.guide-pager-link {
  display: block;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}
.guide-pager-link:hover { border-color: var(--bg-card-hover-border); box-shadow: var(--shadow-md); }
.guide-pager-next { text-align: right; }
.guide-pager-label { display: block; font-family: var(--font-mono); font-size: .75rem; color: var(--text-muted); }
.guide-pager-title { display: block; margin-top: 4px; font-weight: 700; color: var(--text-heading); }
.guide-pager-link:hover .guide-pager-title { color: var(--cz-blue-primary); }

/* Cột phải: "Trong bài này" + hộp liên hệ */
.guide-aside-inner { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 24px; }
.guide-toc ul { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.guide-toc a { font-size: .875rem; line-height: 1.45; color: var(--text-body); }
.guide-toc a:hover { color: var(--cz-blue-primary); }

.guide-cta-box {
  position: relative;
  overflow: hidden;
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 161, 255, .28);
  background:
    radial-gradient(120% 80% at 100% 0%, rgba(0, 161, 255, .16) 0%, transparent 70%),
    var(--bg-surface);
  box-shadow: var(--shadow-md);
}
.guide-cta-box-eyebrow { font-family: var(--font-mono); font-size: .6875rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--cz-blue-primary); }
.guide-cta-box h3 { margin-top: 8px; font-size: 1.125rem; line-height: 1.35; color: var(--text-title); }
.guide-cta-box p:not(.guide-cta-box-eyebrow) { margin-top: 8px; font-size: .875rem; line-height: 1.6; color: var(--text-body); }
.guide-cta-box .btn { width: 100%; margin-top: 10px; white-space: normal; }
.guide-cta-box .btn-phone { margin-top: 16px; }

/* ===== Responsive ===== */
@media (max-width: 1279px) {
  .guide-layout { grid-template-columns: 240px minmax(0, 1fr); }
  /* Cột phải xuống dưới bài: ẩn mục lục "Trong bài này", giữ hộp liên hệ */
  .guide-aside { grid-column: 2; }
  .guide-toc { display: none; }
  .guide-aside-inner { position: static; }
  .guide-cta-box { max-width: 520px; }
}

@media (max-width: 1023px) {
  .docs-category-grid { grid-template-columns: 1fr; }
  .guide-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .guide-layout { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .guide-aside { grid-column: auto; }
  /* Mục lục cột trái thay bằng thanh .guide-mbar */
  .guide-sidebar { display: none; }
  .guide-mbar { position: sticky; top: 87px; z-index: 50; display: flex; gap: 10px; }
  .guide-content h2[id] { scroll-margin-top: 160px; }
}

@media (max-width: 768px) {
  .guide-cta-title { font-size: 1.75rem; }
  .guide-page { padding: 28px 0 64px; }
  .hero-subpage.guide-hero { padding: 28px 0 32px; }
  .guide-hero .hero-desc { font-size: .9375rem; line-height: 1.6; }
}

@media (max-width: 640px) {
  .docs-category-card { padding: 28px 20px; }
  .docs-article-list { grid-template-columns: 1fr; }
  .guide-card-grid { grid-template-columns: 1fr; }
  .guide-pager { grid-template-columns: 1fr; }
  .guide-pager > span:empty { display: none; }
  .guide-module { padding-top: 40px; }
  .guide-group-chips { margin-bottom: 36px; }
  .docs-search-input { padding: 14px 18px 14px 48px; font-size: .9375rem; }
  .docs-search-icon { left: 16px; }
}