/* Vietnamese site additions. The shared visual baseline stays in /assets/site.css. */

.vn-site .nav-links { gap: 22px; }
.vn-site .nav-links a { white-space: nowrap; }
.vn-feature-grid .feature-card { display: flex; flex-direction: column; }
.vn-feature-grid .feature-card p { flex: 1; }
.vn-feature-grid .text-link { margin-top: 14px; font-size: 14px; font-weight: 700; }
.vn-solution-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.vn-solution-grid .mini-icon { width: fit-content; min-width: 42px; padding: 0 10px; white-space: nowrap; }

/* A plain 1fr track grows with nowrap text and pushes it past the list column. */
@media (min-width: 621px) { .vn-site .conversation { grid-template-columns: 34px minmax(0, 1fr); } }
.vn-site .conversation > span:last-child { min-width: 0; }

.vn-channel-group {
  margin: 44px 0 18px;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.35;
}
.vn-channel-group:first-of-type { margin-top: 0; }
.vn-channel-group small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
}
.vn-risk-note {
  margin: 20px 0 0;
  padding: 16px 20px;
  border: 1px solid #f0d9a4;
  border-radius: var(--radius-sm);
  color: #5d4708;
  background: var(--amber-soft);
  font-size: 14.5px;
}

.vn-faq { max-width: 820px; }
.vn-faq details, .docs-article details {
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
}
.vn-faq summary, .docs-article summary {
  cursor: pointer;
  font-weight: 700;
}
.vn-faq details p, .docs-article details p { margin: 10px 0 0; color: var(--ink-soft); }

/* Documentation */
body.docs-page { background: var(--paper); }
.docs-search { position: relative; flex: 1; max-width: 420px; }
.docs-search input {
  width: 100%;
  height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  color: var(--ink);
  background: var(--canvas);
}
.docs-search input:focus-visible { outline: 2px solid var(--brand); outline-offset: 1px; }
.docs-search-results {
  position: absolute;
  z-index: 60;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  max-height: 60vh;
  overflow-y: auto;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  box-shadow: var(--shadow);
}
.docs-search-results[hidden] { display: none; }
.docs-search-results a { display: block; padding: 9px 12px; border-radius: 8px; }
.docs-search-results a:hover, .docs-search-results a:focus-visible { background: var(--blue-soft); outline: none; }
.docs-search-results b { display: block; font-size: 14px; }
.docs-search-results small { color: var(--muted); font-size: 12.5px; }
.docs-search-results p { margin: 0; padding: 10px 12px; color: var(--muted); font-size: 14px; }

.docs-topnav {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 72px;
}
.docs-topnav .brand { flex: none; }
.docs-topnav-links { display: flex; align-items: center; gap: 14px; margin-left: auto; flex: none; }
.docs-topnav-links a { white-space: nowrap; font-size: 14px; }

.docs-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  align-items: start;
  gap: 48px;
  padding-top: 32px;
  padding-bottom: 72px;
}
.docs-sidebar {
  position: sticky;
  top: 92px;
  max-height: calc(100vh - 110px);
  overflow-y: auto;
  padding-right: 8px;
  font-size: 14px;
}
.docs-sidebar > summary { display: none; }
.docs-sidebar h2 {
  margin: 20px 0 6px;
  padding: 0 10px;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.docs-sidebar h2:first-of-type { margin-top: 0; }
.docs-sidebar a {
  display: block;
  padding: 6px 10px;
  border-radius: 8px;
  color: var(--ink-soft);
  line-height: 1.4;
}
.docs-sidebar a:hover { color: var(--ink); background: var(--canvas); }
.docs-sidebar a[aria-current="page"] {
  color: var(--brand-dark);
  background: var(--blue-soft);
  font-weight: 700;
}

.docs-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 13px;
}
.docs-breadcrumb a:hover { color: var(--brand-dark); }
.docs-article { max-width: 780px; min-width: 0; }
.docs-article h1 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(28px, 3.2vw, 36px);
  line-height: 1.2;
}
.docs-lead { margin: 0 0 24px; color: var(--ink-soft); font-size: 17px; }
.docs-article h2 {
  margin: 36px 0 12px;
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.3;
  scroll-margin-top: 92px;
}
.docs-article h3 { margin: 24px 0 8px; font-size: 16.5px; }
.docs-article p, .docs-article li { color: var(--ink-soft); }
.docs-article ol, .docs-article ul { padding-left: 22px; }
.docs-article li + li { margin-top: 6px; }
.docs-article a:not(.button):not(.docs-pager a) { color: var(--brand-dark); font-weight: 600; }
.docs-article code {
  padding: 2px 6px;
  border-radius: 6px;
  background: var(--canvas);
  font-size: 0.9em;
  overflow-wrap: anywhere;
}
.docs-article .guide-path { margin: 0 0 18px; }
.docs-table-wrap { margin: 16px 0; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-sm); }
.docs-article table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.docs-article th, .docs-article td { padding: 10px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.docs-article th { color: var(--ink); background: var(--canvas); white-space: nowrap; }
.docs-article tr:last-child td { border-bottom: 0; }
.docs-article td { color: var(--ink-soft); }

.docs-figure { margin: 22px 0; }
.docs-figure figcaption { margin-top: 8px; color: var(--muted); font-size: 13px; text-align: center; }
.docs-layout-map {
  display: grid;
  grid-template-columns: 1fr 1.6fr 1fr;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--canvas);
}
.docs-layout-map > div {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  font-size: 13px;
  line-height: 1.5;
}
.docs-layout-map b { display: block; margin-bottom: 6px; color: var(--ink); }
.docs-funnel { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.docs-funnel > div {
  padding: 14px 12px;
  border-radius: 10px;
  background: var(--blue-soft);
  font-size: 13px;
  text-align: center;
}
.docs-funnel b { display: block; color: var(--ink); font-size: 14px; }

.docs-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.docs-pager a {
  display: block;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  font-weight: 700;
  font-size: 14px;
}
.docs-pager a:hover { border-color: var(--brand); }
.docs-pager small { display: block; color: var(--muted); font-weight: 400; }
.docs-pager .next { grid-column: 2; text-align: right; }
.docs-updated { margin-top: 24px; color: var(--muted); font-size: 13px; }

.docs-home-hero { padding: 56px 0 44px; background: var(--canvas-blue); }
.docs-home-hero h1 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.15;
}
.docs-home-hero p { margin: 0; max-width: 680px; color: var(--ink-soft); font-size: 17px; }
.docs-home-hero .docs-search { max-width: 560px; margin-top: 24px; }
.docs-home-hero .docs-search input { height: 50px; background: var(--paper); }
.docs-home-main { padding-top: 44px; padding-bottom: 72px; }
.docs-home-main h2 { margin: 0 0 16px; font-family: var(--font-display); font-size: 22px; }
.docs-home-main .help-quick-grid { margin-bottom: 44px; }
.docs-group-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.docs-group-card { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
.docs-group-card h3 { margin: 0 0 10px; font-family: var(--font-display); font-size: 16.5px; }
.docs-group-card ul { margin: 0; padding: 0; list-style: none; font-size: 14px; }
.docs-group-card li + li { margin-top: 5px; }
.docs-group-card a { color: var(--ink-soft); }
.docs-group-card a:hover { color: var(--brand-dark); }

@media (max-width: 1040px) {
  .vn-site .nav-links { gap: 14px; }
  .vn-solution-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .docs-group-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .docs-shell { display: block; padding-top: 16px; }
  .docs-sidebar {
    position: static;
    max-height: none;
    margin-bottom: 24px;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 12px;
  }
  .docs-sidebar > summary { display: block; padding: 12px 16px; cursor: pointer; font-weight: 700; }
  .docs-sidebar-body { padding: 0 8px 12px; }
}
@media (max-width: 620px) {
  .vn-nav-cta { display: none; }
  .vn-site .preview-body { grid-template-columns: 146px minmax(0, 1fr); }
  .vn-solution-grid, .docs-group-grid { grid-template-columns: minmax(0, 1fr); }
  .docs-topnav { flex-wrap: wrap; gap: 10px; padding-top: 10px; padding-bottom: 10px; }
  .docs-topnav-links { margin-left: auto; }
  .docs-topnav .docs-search { order: 3; flex-basis: 100%; max-width: none; }
  .docs-layout-map { grid-template-columns: minmax(0, 1fr); }
  .docs-funnel { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .docs-pager { grid-template-columns: minmax(0, 1fr); }
  .docs-pager .next { grid-column: 1; }
}