/* ===== FAQ Knowledge Base Page ===== */

/* ───── Search bar + actions ───── */
.faq-search-bar {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.faq-search-input {
  flex: 1;
  min-width: 280px;
  position: relative;
  display: flex;
  align-items: center;
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-pill);
  padding: 0 16px 0 18px;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.faq-search-input:focus-within {
  border-color: var(--color-ink);
  box-shadow: 0 0 0 3px rgba(20,20,19,0.06);
}
.faq-search-input svg { color: var(--color-muted); flex-shrink: 0; }
.faq-search-input input {
  border: none;
  background: transparent;
  padding: 14px 12px;
  flex: 1;
  font: var(--type-body-md);
  color: var(--color-ink);
  outline: none;
  min-width: 0;
}
.faq-search-input input::placeholder { color: var(--color-muted); }
.faq-search-clear {
  border: none;
  background: var(--color-surface-card);
  color: var(--color-muted);
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background 0.2s var(--ease);
}
.faq-search-clear:hover { background: var(--color-ink); color: var(--color-canvas); }

.faq-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.faq-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  color: var(--color-ink);
  font: var(--type-caption-uppercase);
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.faq-action-btn:hover { background: var(--color-ink); color: var(--color-canvas); border-color: var(--color-ink); }
.faq-action-btn svg { flex-shrink: 0; }

.faq-search-result {
  margin-top: 12px;
  font: var(--type-body-sm);
  color: var(--color-muted);
}
.faq-search-result strong { color: var(--color-ink); }

/* ───── Sticky filter bar ───── */
.faq-filter-bar {
  position: sticky;
  top: 88px; /* below topnav (nav height) */
  z-index: 40;
  background: var(--color-canvas);
  border-bottom: 1px solid var(--color-hairline);
  padding: 12px 0;
  margin-bottom: 0;
}
.faq-filter-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  background: transparent;
  border: 1px solid var(--color-hairline);
  color: var(--color-body);
  font: var(--type-body-sm);
  cursor: pointer;
  transition: all 0.2s var(--ease);
  white-space: nowrap;
}
.faq-chip:hover { border-color: var(--color-ink); color: var(--color-ink); }
.faq-chip.is-active {
  background: var(--color-ink);
  color: var(--color-canvas);
  border-color: var(--color-ink);
}
.faq-chip-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  padding: 0 6px;
  font: var(--type-caption);
  background: rgba(0,0,0,0.06);
  border-radius: 999px;
  font-weight: 500;
}
.faq-chip.is-active .faq-chip-count { background: rgba(255,255,255,0.18); color: var(--color-canvas); }

/* ───── Layout (TOC sidebar + main) ───── */
.faq-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  align-items: start;
}
.faq-toc {
  position: sticky;
  top: 160px; /* below sticky filter bar */
}
.faq-toc__inner {
  padding-right: 12px;
  border-right: 1px solid var(--color-hairline-soft);
}
.faq-toc__title {
  font: var(--type-caption-uppercase);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 14px;
}
.faq-toc__nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.faq-toc__nav a {
  font: var(--type-body-sm);
  color: var(--color-body);
  text-decoration: none;
  padding: 6px 0;
  border-left: 2px solid transparent;
  padding-left: 12px;
  margin-left: -14px;
  transition: all 0.2s var(--ease);
}
.faq-toc__nav a:hover { color: var(--color-ink); }
.faq-toc__nav a.is-active {
  color: var(--color-ink);
  border-left-color: var(--color-primary);
  font-weight: 500;
}

.faq-main {
  min-width: 0;
}

/* ───── Category groups ───── */
.faq-category {
  margin-bottom: 48px;
  scroll-margin-top: 180px;
}
.faq-category:last-child { margin-bottom: 0; }
.faq-category__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-hairline);
}
.faq-category__title {
  font: var(--type-title-lg);
  color: var(--color-ink);
  font-weight: 500;
  margin: 0;
}
.faq-category__count {
  font: var(--type-caption);
  color: var(--color-muted);
}
.faq-category__count::before { content: "· "; }
.faq-category__count::after { content: " ข้อ"; }
.faq-category__items {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ───── FAQ items (inherits .faq-item from site.css but with extras) ───── */
.faq-main .faq-item {
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-md);
  overflow: hidden;
  scroll-margin-top: 180px;
}
.faq-main .faq-item:target {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(204,120,92,0.15);
}
.faq-main .faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  transition: background 0.15s var(--ease);
}
.faq-main .faq-item summary:hover { background: var(--color-surface-soft); }
.faq-main .faq-item summary::-webkit-details-marker { display: none; }
/* Suppress the legacy global + chevron from site.css — faq.html uses its own */
.faq-main .faq-item summary::after { content: none !important; }
.faq-item__q {
  font: var(--type-title-sm);
  color: var(--color-ink);
  font-weight: 500;
  line-height: 1.4;
  flex: 1;
}
.faq-item__tools {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.faq-item__tool {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px; height: 30px;
  border-radius: var(--radius-md);
  background: transparent;
  border: none;
  color: var(--color-muted);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.faq-item__tool:hover {
  background: var(--color-surface-card);
  color: var(--color-primary);
}
.faq-item__tool.is-copied {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

/* Add chevron after tools */
.faq-item__tools::after {
  content: "+";
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--color-primary);
  line-height: 1;
  margin-left: 4px;
  transition: transform 250ms cubic-bezier(0.2, 0, 0, 1);
  width: 18px;
  text-align: center;
}
.faq-main .faq-item[open] .faq-item__tools::after { transform: rotate(45deg); }

/* Body inherits from site.css .faq-body */

/* ───── No results state ───── */
.faq-no-results {
  text-align: center;
  padding: 60px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.faq-no-results svg { margin-bottom: 8px; }
.faq-no-results h3 {
  font: var(--type-title-md);
  color: var(--color-ink);
  font-weight: 500;
  margin: 0;
}
.faq-no-results p {
  font: var(--type-body-sm);
  color: var(--color-body);
  margin: 0 0 12px;
}

/* ───── CTA section ───── */
.faq-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 40px;
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-xl);
  flex-wrap: wrap;
}
.faq-cta__btns {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ───── Copy toast ───── */
.faq-toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-ink);
  color: var(--color-canvas);
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: var(--type-body-sm);
  box-shadow: 0 8px 24px rgba(20,20,19,0.18);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
  z-index: 9999;
}
.faq-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ───── Search highlight ───── */
.faq-highlight {
  background: rgba(244,180,0,0.35);
  color: var(--color-ink);
  padding: 0 2px;
  border-radius: 2px;
}

/* ───── Hidden by search/filter ───── */
.faq-item.is-hidden,
.faq-category.is-hidden { display: none !important; }

/* ───── Responsive ───── */
@media (max-width: 960px) {
  .faq-layout { grid-template-columns: 1fr; gap: 0; }
  .faq-toc { display: none; }
}
@media (max-width: 760px) {
  .faq-search-bar { flex-direction: column; align-items: stretch; }
  .faq-search-input { width: 100%; }
  .faq-actions { justify-content: center; }
  .faq-filter-bar { top: 60px; }
  .faq-cta { flex-direction: column; align-items: flex-start; padding: 28px; }
}

/* ───── Print mode ───── */
@media print {
  .topnav, .footer, .contact-stack, .contact-stack-show, .tweaks-fab,
  .faq-search-bar, .faq-filter-bar, .faq-toc, .faq-item__tools,
  .faq-cta, .faq-toast, .page-hero__crumbs, [data-site-line-cta], [data-site-tweaks] {
    display: none !important;
  }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-main .faq-item { break-inside: avoid; border: 1px solid #ccc !important; box-shadow: none !important; margin-bottom: 8px; }
  .faq-main .faq-item summary { padding: 8px 12px; }
  .faq-main .faq-item[open] { background: white; }
  .faq-main .faq-item .faq-body { padding: 4px 12px 12px; display: block !important; }
  /* Auto-open all on print */
  .faq-main details { open: true; }
  details > summary ~ * { display: block !important; }
  .page-hero, section { padding: 16px 0 !important; break-inside: avoid; }
  body { background: white !important; color: black !important; font-size: 11pt; }
  h1, h2, h3 { color: black !important; }
}