/* Gyxen Docs — layout inspired by modern doc sites (Ecomdy-style) */
:root {
  --gyxen-brand: #670ef2;
  --gyxen-accent: #2563eb;
  --gyxen-accent-soft: #eff6ff;
  --gyxen-text: #111827;
  --gyxen-muted: #6b7280;
  --gyxen-border: #e5e7eb;
  --gyxen-sidebar-bg: #ffffff;
  --gyxen-sidebar-w: 272px;
  --gyxen-toc-w: 220px;
  --gyxen-header-h: 60px;
  --gyxen-edit-bar-h: 0px;
  --gyxen-inline-toolbar-h: 0px;
  --gyxen-chrome-top: var(--gyxen-header-h);
  --gyxen-radius: 8px;
  --gyxen-font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

[data-theme="dark"] {
  --gyxen-text: #f3f4f6;
  --gyxen-muted: #9ca3af;
  --gyxen-border: #374151;
  --gyxen-sidebar-bg: #111827;
  --gyxen-accent-soft: rgba(37, 99, 235, 0.15);
}

[data-theme="dark"] body {
  background: #0f172a;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--gyxen-chrome-top) + 20px);
}

body {
  margin: 0;
  font-family: var(--gyxen-font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--gyxen-text);
  background: #fff;
}

/* Thanh chỉnh sửa (Django, user đã đăng nhập) */
.gyxen-edit-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 110;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  background: #670ef2;
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 600;
}
.gyxen-edit-bar a {
  color: #fff;
  text-decoration: none;
}
.gyxen-edit-bar a:hover {
  text-decoration: underline;
}

body:has(.gyxen-edit-bar) {
  --gyxen-edit-bar-h: 36px;
  --gyxen-chrome-top: calc(var(--gyxen-header-h) + var(--gyxen-edit-bar-h));
}

body:has(.gyxen-edit-bar) .gyxen-header {
  top: var(--gyxen-edit-bar-h);
}

body:has(.gyxen-edit-bar) .gyxen-layout {
  padding-top: var(--gyxen-chrome-top);
}

body.gyxen-inline-editing {
  --gyxen-chrome-top: calc(
    var(--gyxen-header-h) + var(--gyxen-edit-bar-h) + max(var(--gyxen-inline-toolbar-h), 56px) + 16px
  );
}

/* CMS / inline edit — cùng layout sticky với bản public, không đè lên nội dung */
body.gyxen-cms-mode .gyxen-layout-inner,
body.gyxen-inline-editing .gyxen-layout-inner {
  display: flex;
  align-items: flex-start;
  width: 100%;
}

body.gyxen-cms-mode .gyxen-sidebar,
body.gyxen-inline-editing .gyxen-sidebar {
  position: sticky;
  top: var(--gyxen-chrome-top);
  z-index: 40;
}

body.gyxen-cms-mode .gyxen-menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

@media (min-width: 997px) {
  body.gyxen-cms-mode.gyxen-nav-collapsed .gyxen-sidebar {
    display: none;
  }
  body.gyxen-cms-mode.gyxen-nav-collapsed .gyxen-content-wrap,
  body.gyxen-cms-mode.gyxen-nav-collapsed .gyxen-footer {
    margin-left: 0;
    width: 100%;
    max-width: none;
  }
}

body.gyxen-cms-mode .gyxen-content-wrap,
body.gyxen-inline-editing .gyxen-content-wrap {
  flex: 1 1 auto;
  min-width: 0;
  width: auto;
  max-width: none;
  display: flex;
  z-index: 1;
}

body.gyxen-cms-mode.gyxen-inline-editing .gyxen-content-wrap,
body.gyxen-inline-editing .gyxen-content-wrap {
  pointer-events: none;
}
body.gyxen-cms-mode .gyxen-header,
body.gyxen-inline-editing .gyxen-header,
body.gyxen-cms-mode .gyxen-lang,
body.gyxen-inline-editing .gyxen-lang {
  pointer-events: auto !important;
  overflow: visible !important;
  z-index: 320;
}

body.gyxen-inline-editing .gyxen-main {
  min-width: min(100%, 320px);
  width: 100%;
}

body.gyxen-cms-mode .gyxen-footer {
  margin-left: 0;
}

body.gyxen-cms-mode .gyxen-toc {
  z-index: 140;
  pointer-events: auto;
}

body.gyxen-cms-mode .gyxen-nav__link,
body.gyxen-cms-mode .gyxen-nav__home,
body.gyxen-cms-mode .gyxen-nav__toggle,
body.gyxen-cms-mode .gyxen-sidebar__langs,
body.gyxen-cms-mode .gyxen-sidebar__lang,
body.gyxen-cms-mode .gyxen-nav__act {
  pointer-events: auto;
  cursor: pointer;
}
body.gyxen-cms-mode .gyxen-nav__toggle {
  padding-right: 3.4rem;
}
body.gyxen-cms-mode .gyxen-nav__link,
body.gyxen-cms-mode .gyxen-nav__home {
  padding-right: 2.4rem;
}

/* Inline edit: chỉ page body + TOC nhận pointer */
body.gyxen-cms-mode.gyxen-inline-editing .gyxen-page-body.is-editing,
body.gyxen-cms-mode.gyxen-inline-editing .gyxen-toc,
body.gyxen-cms-mode.gyxen-inline-editing .gyxen-toc *,
body.gyxen-inline-editing .gyxen-page-body.is-editing,
body.gyxen-inline-editing .gyxen-toc,
body.gyxen-inline-editing .gyxen-toc * {
  pointer-events: auto;
}

a {
  color: var(--gyxen-accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* Header */
.gyxen-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 160;
  height: var(--gyxen-header-h);
  background: #fff;
  border-bottom: 1px solid var(--gyxen-border);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  gap: 1rem;
  overflow: visible;
  pointer-events: auto;
}

[data-theme="dark"] .gyxen-header {
  background: #111827;
}

.gyxen-header__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
  text-decoration: none;
}
.gyxen-header__brand:hover {
  text-decoration: none;
}

.gyxen-header__brand img {
  height: 1.75rem;
  width: auto;
  display: block;
}

.gyxen-header__docs {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--gyxen-text);
}

.gyxen-header__tools {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
  overflow: visible;
  position: relative;
  z-index: 5;
  pointer-events: auto;
}

.gyxen-header__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.65rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gyxen-text);
  background: transparent;
  border: 1px solid var(--gyxen-border);
  border-radius: var(--gyxen-radius);
  cursor: pointer;
  font-family: inherit;
}
.gyxen-header__btn:hover {
  background: var(--gyxen-accent-soft);
  border-color: #bfdbfe;
}

.gyxen-header__btn svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.gyxen-lang {
  position: relative;
  z-index: 400;
  flex-shrink: 0;
  pointer-events: auto;
}
.gyxen-lang .gyxen-header__btn--lang {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}
.gyxen-lang__face {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  pointer-events: none;
}
.gyxen-lang__caret {
  width: 0.85rem;
  height: 0.85rem;
  opacity: 0.7;
}
.gyxen-lang.is-open .gyxen-lang__caret {
  transform: rotate(180deg);
}
.gyxen-lang__menu {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  z-index: 400;
  min-width: 168px;
  margin: 0;
  padding: 6px;
  list-style: none;
  display: none;
  background: var(--gyxen-bg, #fff);
  border: 1px solid var(--gyxen-border, #e5e7eb);
  border-radius: 10px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.14);
}
.gyxen-lang:not(.is-open) .gyxen-lang__menu,
.gyxen-lang:not(.is-open) .gyxen-lang__menu[hidden] {
  display: none !important;
}
.gyxen-lang.is-open .gyxen-lang__menu,
.gyxen-lang.is-open .gyxen-lang__menu[hidden] {
  display: grid !important;
}
.gyxen-lang[hidden] {
  display: none !important;
}
.gyxen-lang__menu button,
.gyxen-lang__menu a {
  display: block;
  width: 100%;
  box-sizing: border-box;
  text-align: left;
  text-decoration: none;
  border: 0;
  background: none;
  padding: 8px 10px;
  border-radius: 8px;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gyxen-text, #111827);
  cursor: pointer;
}
.gyxen-lang__menu button:hover,
.gyxen-lang__menu button.is-active,
.gyxen-lang__menu a:hover,
.gyxen-lang__menu a.is-active {
  background: var(--gyxen-accent-soft, #eff6ff);
  color: var(--gyxen-accent, #2563eb);
}

.gyxen-search {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 200px;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--gyxen-border);
  border-radius: var(--gyxen-radius);
  background: #f9fafb;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--gyxen-muted);
}
[data-theme="dark"] .gyxen-search {
  background: #1f2937;
}

.gyxen-search kbd {
  margin-left: auto;
  font-size: 0.7rem;
  padding: 0.1rem 0.35rem;
  border: 1px solid var(--gyxen-border);
  border-radius: 4px;
  background: #fff;
  font-family: inherit;
  color: var(--gyxen-muted);
}

.gyxen-menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--gyxen-border);
  border-radius: 6px;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--gyxen-text);
}

/* Layout */
.gyxen-layout {
  display: block;
  padding-top: var(--gyxen-chrome-top);
  min-height: 100vh;
}

.gyxen-layout-inner {
  display: flex;
  align-items: flex-start;
  width: 100%;
  min-height: calc(100vh - var(--gyxen-chrome-top));
  position: relative;
}

.gyxen-page-extras {
  position: relative;
  z-index: 0;
  pointer-events: none;
}
body:has(.gyxen-inline-modal.is-open) .gyxen-page-extras {
  z-index: 1000;
}
body.gyxen-modal-open {
  overflow: hidden;
}

.gyxen-page-extras > * {
  pointer-events: auto;
}

.gyxen-csrf {
  display: none !important;
}

/* Sidebar — sticky trong flex (desktop), không bị content đè lên */
.gyxen-sidebar {
  position: sticky;
  top: var(--gyxen-chrome-top);
  left: 0;
  width: var(--gyxen-sidebar-w);
  height: calc(100vh - var(--gyxen-chrome-top));
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--gyxen-sidebar-bg);
  border-right: 1px solid var(--gyxen-border);
  padding: 0 0 2rem;
  z-index: 30;
  pointer-events: auto;
  flex-shrink: 0;
  -webkit-overflow-scrolling: touch;
}

.gyxen-sidebar__langs {
  position: sticky;
  top: 0;
  z-index: 3;
  padding: 0.55rem 0.55rem 0.65rem;
  margin: 0;
  background: var(--gyxen-sidebar-bg);
}
.gyxen-sidebar__langs-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 100%;
  margin: 0;
  padding: 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--gyxen-border);
}
.gyxen-sidebar__lang {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  min-width: 0;
  min-height: 2.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 0.4rem;
  margin: 0 0 -1px;
  border: 0;
  border-bottom: 3px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--gyxen-muted);
  cursor: pointer;
  font-family: "Be Vietnam Pro", Inter, system-ui, sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-decoration: none;
  -webkit-font-smoothing: antialiased;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.gyxen-sidebar__lang:hover {
  color: var(--gyxen-text);
  background: transparent;
  text-decoration: none;
}
.gyxen-sidebar__lang.is-active {
  color: #670ef2;
  font-weight: 600;
  background: transparent;
  border-bottom-color: #670ef2;
}
.gyxen-sidebar__file {
  display: block;
  margin: 0.5rem 0 0;
  padding: 0.45rem 0.55rem;
  background: #0b1220;
  border: 1px solid #1f2937;
  border-radius: 8px;
  color: #e2e8f0;
  line-height: 1.45;
  word-break: break-all;
}
.gyxen-sidebar__file code {
  display: block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0;
  color: #f8fafc;
  background: transparent;
}
.gyxen-sidebar__file.is-flash {
  box-shadow: 0 0 0 2px #670ef2;
}
.gyxen-sidebar__file[hidden] {
  display: none !important;
}
[data-theme="dark"] .gyxen-sidebar__file {
  background: #020617;
  border-color: #334155;
  color: #e2e8f0;
}
[data-theme="dark"] .gyxen-sidebar__lang {
  color: #9ca3af;
}
[data-theme="dark"] .gyxen-sidebar__lang:hover {
  color: #f3f4f6;
}
[data-theme="dark"] .gyxen-sidebar__lang.is-active {
  color: #c4b5fd;
  border-bottom-color: #a78bfa;
}

.gyxen-nav {
  list-style: none;
  margin: 0;
  padding: 0.85rem 0.65rem 0;
}

.gyxen-nav > li {
  margin: 0;
}

.gyxen-nav__children {
  list-style: none;
  margin: 0;
  padding: 0.15rem 0 0.4rem 0.15rem;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.3s ease, opacity 0.22s ease;
  border-left: 1px solid var(--gyxen-border);
  margin-left: 0.85rem;
}

.gyxen-nav__group.is-open > .gyxen-nav__children {
  max-height: 3200px;
  opacity: 1;
  overflow: visible;
}

.gyxen-nav__children .gyxen-nav__link {
  font-size: 0.8125rem;
  padding: 0.28rem 0.65rem;
  color: var(--gyxen-muted);
}

/* Top-level page links (e.g. "4. Pricing") — same row weight as group headers, not submenu */
.gyxen-nav > li > a.gyxen-nav__link {
  font-weight: 500;
  color: var(--gyxen-text);
  padding: 0.45rem 0.75rem;
}

.gyxen-nav > li:has(> .gyxen-nav__group) + li > a.gyxen-nav__link {
  margin-top: 0.35rem;
  padding-top: 0.55rem;
  border-top: 1px solid var(--gyxen-border);
}

.gyxen-nav__home {
  display: block;
  padding: 0.4rem 0.75rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gyxen-text);
  border-radius: 6px;
}
.gyxen-nav__home:hover,
.gyxen-nav__home.is-active {
  background: #f3f4f6;
  color: var(--gyxen-accent);
  text-decoration: none;
}

[data-theme="dark"] .gyxen-nav__home:hover,
[data-theme="dark"] .gyxen-nav__home.is-active {
  background: #1f2937;
}

.gyxen-nav__group {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
}

.gyxen-nav__toggle {
  display: flex;
  align-items: flex-start;
  flex-wrap: nowrap;
  gap: 0.35rem;
  width: 100%;
  box-sizing: border-box;
  padding: 0.45rem 1.85rem 0.45rem 0.75rem;
  position: relative;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--gyxen-text);
  background: none;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  list-style: none;
  position: relative;
  z-index: 2;
  pointer-events: auto;
}
.gyxen-nav__toggle::-webkit-details-marker {
  display: none;
}
.gyxen-nav__toggle::marker {
  content: "";
}
.gyxen-nav__toggle:hover {
  background: #f3f4f6;
}

[data-theme="dark"] .gyxen-nav__toggle:hover {
  background: #1f2937;
}

.gyxen-nav__toggle-text,
.gyxen-nav__group-link {
  flex: 1 1 auto;
  min-width: 0;
  text-align: left;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.gyxen-nav__group-link {
  display: block;
  color: inherit;
  text-decoration: none;
  border-radius: 4px;
}

.gyxen-nav__group-link:hover {
  color: var(--gyxen-accent);
  text-decoration: none;
}

.gyxen-nav__chevron {
  position: absolute;
  right: 0.8rem;
  top: 50%;
  width: 0.45rem;
  height: 0.45rem;
  flex-shrink: 0;
  border-right: 2px solid var(--gyxen-muted);
  border-bottom: 2px solid var(--gyxen-muted);
  transform: translateY(-50%) rotate(-45deg);
  transition: transform 0.15s ease;
  cursor: pointer;
  box-sizing: border-box;
  z-index: 3;
}

.gyxen-nav__chevron::after {
  content: "";
  position: absolute;
  inset: -12px;
}

.gyxen-nav__group.is-open > .gyxen-nav__toggle .gyxen-nav__chevron {
  transform: translateY(-50%) rotate(45deg);
}

.gyxen-nav__group.has-active-child > .gyxen-nav__toggle,
.gyxen-nav__toggle.is-active {
  color: var(--gyxen-accent);
  font-weight: 600;
  background: #f3f4f6;
}

[data-theme="dark"] .gyxen-nav__group.has-active-child > .gyxen-nav__toggle,
[data-theme="dark"] .gyxen-nav__toggle.is-active {
  background: #1f2937;
}

.gyxen-nav__link {
  display: block;
  padding: 0.35rem 0.75rem;
  font-size: 0.875rem;
  color: var(--gyxen-muted);
  border-radius: 6px;
}
.gyxen-nav__link:hover {
  color: var(--gyxen-accent);
  background: var(--gyxen-accent-soft);
  text-decoration: none;
}
.gyxen-nav__link.is-active {
  color: var(--gyxen-accent);
  font-weight: 600;
  background: #f3f4f6;
}

[data-theme="dark"] .gyxen-nav__link.is-active {
  background: #1f2937;
}

.gyxen-nav__link--nested {
  padding-left: 1.25rem;
  font-size: 0.8125rem;
}

.gyxen-nav__tools {
  margin-top: 0.75rem;
  padding-top: 0.65rem;
  border-top: 1px dashed var(--gyxen-border);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.gyxen-nav__add {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.4rem 0.75rem;
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gyxen-accent);
  background: var(--gyxen-accent-soft);
  border: 1px dashed var(--gyxen-accent);
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
}
.gyxen-nav__add:hover {
  background: #ede9fe;
  text-decoration: none;
}
[data-theme="dark"] .gyxen-nav__add {
  background: #1f2937;
  border-color: #6d28d9;
}
[data-theme="dark"] .gyxen-nav__add:hover {
  background: #111827;
}

.gyxen-nav li {
  position: relative;
}
.gyxen-nav__actions {
  display: none;
  position: absolute;
  right: 0.35rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 6;
  align-items: center;
  gap: 2px;
  pointer-events: auto;
}
.gyxen-nav__toggle .gyxen-nav__actions {
  right: 1.7rem;
}
body.gyxen-cms-mode .gyxen-nav > li:hover > .gyxen-nav__actions,
body.gyxen-cms-mode .gyxen-nav__toggle:hover > .gyxen-nav__actions,
body.gyxen-cms-mode .gyxen-nav__children > li:hover > .gyxen-nav__actions,
body.gyxen-inline-editing .gyxen-nav > li:hover > .gyxen-nav__actions,
body.gyxen-inline-editing .gyxen-nav__toggle:hover > .gyxen-nav__actions,
body.gyxen-inline-editing .gyxen-nav__children > li:hover > .gyxen-nav__actions {
  display: inline-flex;
}
.gyxen-nav__act {
  appearance: none;
  width: 1.35rem;
  height: 1.35rem;
  padding: 0;
  border: 0;
  border-radius: 5px;
  background: #fff;
  color: #4b5563;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 0 0 1px #e5e7eb;
}
.gyxen-nav__act:hover {
  background: #f5f3ff;
  color: #670ef2;
  box-shadow: 0 0 0 1px #c4b5fd;
}
.gyxen-nav__act[data-nav-act="delete"]:hover {
  background: #fef2f2;
  color: #b91c1c;
  box-shadow: 0 0 0 1px #fecaca;
}
[data-theme="dark"] .gyxen-nav__act {
  background: #1f2937;
  color: #e5e7eb;
  box-shadow: 0 0 0 1px #374151;
}

/* Content column */
.gyxen-content-wrap {
  flex: 1;
  margin-left: 0;
  display: flex;
  justify-content: center;
  gap: 0;
  min-width: 0;
  position: relative;
  z-index: 1;
}

.gyxen-main {
  flex: 1;
  min-width: 0;
  max-width: 760px;
  padding: 1.75rem 2.5rem 4rem;
}

/* Breadcrumbs */
.gyxen-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.875rem;
  color: var(--gyxen-muted);
  margin-bottom: 1.5rem;
}

.gyxen-breadcrumbs a {
  color: var(--gyxen-muted);
}
.gyxen-breadcrumbs a:hover {
  color: var(--gyxen-accent);
}

.gyxen-breadcrumbs__sep {
  color: #d1d5db;
}

.gyxen-breadcrumbs__current {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  background: var(--gyxen-accent-soft);
  color: var(--gyxen-accent);
  border-radius: 999px;
  font-weight: 500;
}

.gyxen-breadcrumbs__home-icon {
  display: inline-flex;
  color: var(--gyxen-muted);
}

/* Main typography */
.gyxen-main h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin: 0 0 1.25rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.gyxen-main h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 2.25rem 0 1rem;
  padding-top: 0.25rem;
  scroll-margin-top: calc(var(--gyxen-header-h) + 16px);
}

.gyxen-main h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 1.5rem 0 0.65rem;
}

.gyxen-main h4 {
  font-size: 1rem;
  font-weight: 600;
  margin: 1.25rem 0 0.5rem;
}

.gyxen-main p {
  margin: 0 0 1rem;
}

.gyxen-main div[style*="text-align: center"],
.gyxen-page-body div[style*="text-align: center"],
.gyxen-markdown-body div[style*="text-align: center"] {
  text-align: center;
}
.gyxen-main div[style*="text-align: right"],
.gyxen-page-body div[style*="text-align: right"],
.gyxen-markdown-body div[style*="text-align: right"] {
  text-align: right;
}
.gyxen-main div[style*="text-align: left"],
.gyxen-page-body div[style*="text-align: left"],
.gyxen-markdown-body div[style*="text-align: left"] {
  text-align: left;
}

/* Markdown-rendered body */
.gyxen-markdown-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--gyxen-radius);
  border: 1px solid var(--gyxen-border);
  margin: 1rem 0;
}
.gyxen-markdown-body code {
  background: #f3f4f6;
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  font-size: 0.9em;
}
.gyxen-markdown-body pre {
  background: #f3f4f6;
  padding: 1rem;
  border-radius: var(--gyxen-radius);
  overflow-x: auto;
}
.gyxen-edit-bar__icon {
  border-radius: 4px;
}

.gyxen-main ul,
.gyxen-main ol {
  margin: 0 0 1rem;
  padding-left: 1.5rem;
}

.gyxen-main li {
  margin-bottom: 0.35rem;
}

.gyxen-main table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.9rem;
}

.gyxen-main th,
.gyxen-main td {
  border: 1px solid var(--gyxen-border);
  padding: 0.6rem 0.75rem;
  text-align: left;
}

.gyxen-main th {
  background: #f9fafb;
  font-weight: 600;
}

[data-theme="dark"] .gyxen-main th {
  background: #1f2937;
}

.gyxen-main img,
.gyxen-page-body img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin: 0.5rem 0 1rem;
}

/* Tabs block (inline editor + public) */
.gyxen-tabs {
  margin: 1.5rem 0;
  border: 1px solid var(--gyxen-border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--gyxen-bg);
}
.gyxen-tabs__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 1px solid var(--gyxen-border);
  background: #f9fafb;
}
[data-theme="dark"] .gyxen-tabs__nav {
  background: #111827;
}
.gyxen-tabs__tab {
  flex: 1 1 auto;
  min-width: 0;
  padding: 0.65rem 1rem;
  border: none;
  background: transparent;
  font: inherit;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--gyxen-text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
}
.gyxen-tabs__tab:hover {
  color: var(--gyxen-text);
  background: rgba(103, 14, 242, 0.06);
}
.gyxen-tabs__tab.is-active {
  color: #670ef2;
  border-bottom-color: #670ef2;
  background: var(--gyxen-bg);
}
.gyxen-tabs__panel {
  display: none;
  padding: 1rem 1.25rem 1.25rem;
}
.gyxen-tabs__panel.is-active {
  display: block;
}
.gyxen-tabs__panel > :first-child {
  margin-top: 0;
}
.gyxen-tabs__panel > :last-child {
  margin-bottom: 0;
}

/* Video embed */
.gyxen-video {
  position: relative;
  margin: 1.25rem 0;
  border-radius: 10px;
  overflow: hidden;
  background: #000;
}
.gyxen-video iframe,
.gyxen-video video {
  display: block;
  width: 100%;
  max-width: 100%;
  border: none;
  aspect-ratio: 16 / 9;
  height: auto;
  min-height: 200px;
}

.gyxen-cols {
  display: grid;
  gap: 1rem;
  margin: 1.25rem 0;
}
.gyxen-cols--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.gyxen-cols--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.gyxen-cols__col {
  min-width: 0;
  padding: 0.85rem 1rem;
  border: 1px solid var(--gyxen-border, #e5e7eb);
  border-radius: 10px;
  background: var(--gyxen-bg, #fff);
}
.gyxen-cols__col > :first-child {
  margin-top: 0;
}
.gyxen-cols__col > :last-child {
  margin-bottom: 0;
}
@media (max-width: 720px) {
  .gyxen-cols--2,
  .gyxen-cols--3 {
    grid-template-columns: 1fr;
  }
}

.gyxen-figure {
  text-align: center;
  margin: 1.5rem 0;
}
.gyxen-figure img {
  max-width: min(100%, 720px);
  height: auto;
  border-radius: var(--gyxen-radius);
  border: 1px solid var(--gyxen-border);
}

.gyxen-hr {
  border: none;
  border-top: 1px solid var(--gyxen-border);
  margin: 2rem 0;
}

/* TOC (right) — ẩn khi trang không cần (section đơn, không có H3/H4) */
body.gyxen-hide-toc .gyxen-toc,
body.gyxen-hide-toc .gyxen-toc-mobile,
body.gyxen-hide-toc .gyxen-toc-mobile-btn {
  display: none !important;
}

.gyxen-toc.gyxen-toc--empty {
  display: none !important;
}

.gyxen-toc {
  position: sticky;
  top: calc(var(--gyxen-chrome-top) + 1.5rem);
  width: var(--gyxen-toc-w);
  flex-shrink: 0;
  align-self: flex-start;
  padding: 1.75rem 1.25rem 2rem 0;
  max-height: calc(100vh - var(--gyxen-chrome-top) - 2rem);
  overflow-y: auto;
  z-index: 20;
  pointer-events: auto;
}

.gyxen-toc__title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gyxen-muted);
  margin: 0 0 0.75rem;
}

.gyxen-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 0.75rem;
  border-left: 1px solid var(--gyxen-border);
}

.gyxen-toc__list a {
  display: block;
  padding: 0.25rem 0 0.25rem 0.65rem;
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--gyxen-muted);
  border-left: 2px solid transparent;
  margin-left: -0.75rem;
  padding-left: calc(0.65rem + 0.75rem);
}
.gyxen-toc__list a:hover {
  color: var(--gyxen-accent);
  text-decoration: none;
}
.gyxen-toc__list a.is-active {
  color: var(--gyxen-accent);
  font-weight: 600;
  border-left-color: var(--gyxen-accent);
}

/* TOC groups — same accordion pattern as left sidebar */
.gyxen-toc__group {
  margin: 0.15rem 0;
}

.gyxen-toc__toggle {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 0.25rem 0 0.25rem 0.65rem;
  margin-left: -0.75rem;
  padding-left: calc(0.65rem + 0.75rem);
  font-size: 0.8125rem;
  line-height: 1.4;
  font-weight: 500;
  color: var(--gyxen-text);
  background: none;
  border: none;
  border-left: 2px solid transparent;
  cursor: pointer;
  pointer-events: auto;
  position: relative;
  z-index: 2;
  font-family: inherit;
  text-align: left;
}

.gyxen-toc__toggle:hover {
  color: var(--gyxen-accent);
}

.gyxen-toc__group.is-open > .gyxen-toc__toggle,
.gyxen-toc__toggle.is-active {
  color: var(--gyxen-accent);
  font-weight: 600;
  border-left-color: var(--gyxen-accent);
}

.gyxen-toc__chevron {
  margin-left: auto;
  width: 0.45rem;
  height: 0.45rem;
  border-right: 2px solid var(--gyxen-muted);
  border-bottom: 2px solid var(--gyxen-muted);
  transform: rotate(-45deg);
  transition: transform 0.15s ease;
  flex-shrink: 0;
}

.gyxen-toc__group.is-open > .gyxen-toc__toggle .gyxen-toc__chevron {
  transform: rotate(45deg);
  margin-top: -0.1rem;
}

.gyxen-toc__children {
  list-style: none;
  margin: 0;
  padding: 0 0 0.25rem 0.5rem;
  display: none;
}

.gyxen-toc__group.is-open > .gyxen-toc__children {
  display: block;
}

.gyxen-toc__item {
  list-style: none;
}

.gyxen-toc__item--level-3 > a,
.gyxen-toc__item--level-4 > a {
  font-size: 0.75rem;
  padding-top: 0.15rem;
  padding-bottom: 0.15rem;
}

.gyxen-toc__item--level-4 > a {
  padding-left: calc(0.65rem + 0.75rem + 0.5rem);
}

.gyxen-toc-mobile__list .gyxen-toc__group {
  margin: 0.15rem 0;
}

.gyxen-toc-mobile__list .gyxen-toc__children {
  display: none;
  padding-left: 0.75rem;
}

.gyxen-toc-mobile__list .gyxen-toc__group.is-open > .gyxen-toc__children {
  display: block;
}

.gyxen-toc-mobile__list .gyxen-toc__toggle {
  margin-left: 0;
  padding-left: 0;
  border-left: none;
}

.gyxen-toc-mobile__list a.is-active {
  color: var(--gyxen-accent);
  font-weight: 600;
}

/* Footer */
.gyxen-footer {
  margin-left: var(--gyxen-sidebar-w);
  border-top: 1px solid var(--gyxen-border);
  padding: 1rem 2.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--gyxen-muted);
}

.gyxen-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.gyxen-footer__links a {
  color: var(--gyxen-muted);
  font-weight: 500;
}
.gyxen-footer__links a:hover {
  color: var(--gyxen-accent);
}

/* Search modal */
.gyxen-search-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12vh;
  background: rgba(0, 0, 0, 0.45);
}
.gyxen-search-modal.is-open {
  display: flex;
}

.gyxen-search-modal__panel {
  width: min(560px, 92vw);
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.18);
  overflow: hidden;
}

[data-theme="dark"] .gyxen-search-modal__panel {
  background: #1f2937;
}

.gyxen-search-modal__input {
  width: 100%;
  padding: 1rem 1.25rem;
  font-size: 1rem;
  border: none;
  border-bottom: 1px solid var(--gyxen-border);
  outline: none;
  font-family: inherit;
  color: var(--gyxen-text);
  background: transparent;
}

/* Mobile TOC drawer — chỉ dùng khi cột TOC desktop bị ẩn */
.gyxen-toc-mobile-btn[hidden],
.gyxen-toc-mobile[hidden] {
  display: none !important;
}

.gyxen-toc-mobile-btn {
  display: none;
  position: fixed;
  right: 1rem;
  bottom: 1.25rem;
  z-index: 85;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--gyxen-border);
  background: #fff;
  color: var(--gyxen-text);
  font-size: 0.8125rem;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  cursor: pointer;
}
[data-theme="dark"] .gyxen-toc-mobile-btn {
  background: #1f2937;
}
.gyxen-toc-mobile {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 95;
  background: rgba(0, 0, 0, 0.45);
}
.gyxen-toc-mobile.is-open {
  display: block;
}
.gyxen-toc-mobile__panel {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: min(300px, 88vw);
  background: #fff;
  padding: 1rem 1rem 2rem;
  overflow-y: auto;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
}
[data-theme="dark"] .gyxen-toc-mobile__panel {
  background: #111827;
}
.gyxen-toc-mobile__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}
.gyxen-toc-mobile__close {
  border: none;
  background: transparent;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  color: var(--gyxen-muted);
  padding: 0.25rem 0.5rem;
}
.gyxen-toc-mobile__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 0.75rem;
  border-left: 1px solid var(--gyxen-border);
}
.gyxen-toc-mobile__list a {
  display: block;
  padding: 0.3rem 0 0.3rem 0.65rem;
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--gyxen-muted);
  border-left: 2px solid transparent;
  margin-left: -0.75rem;
  padding-left: calc(0.65rem + 0.75rem);
}
.gyxen-toc-mobile__list a.is-active {
  color: var(--gyxen-accent);
  font-weight: 600;
  border-left-color: var(--gyxen-accent);
}
.gyxen-toc-mobile__list .gyxen-toc__sub a {
  font-size: 0.75rem;
}

/* Responsive — TOC phải (ẩn khi hẹp; CMS giữ TOC desktop tới 996px) */
@media (min-width: 1201px) {
  body:not(.gyxen-cms-mode) .gyxen-toc-mobile,
  body:not(.gyxen-cms-mode) .gyxen-toc-mobile-btn {
    display: none !important;
  }
}

@media (min-width: 997px) {
  body.gyxen-cms-mode .gyxen-toc-mobile,
  body.gyxen-cms-mode .gyxen-toc-mobile-btn {
    display: none !important;
  }
}

@media (max-width: 1200px) {
  body:not(.gyxen-cms-mode) .gyxen-toc {
    display: none !important;
  }
  body:not(.gyxen-cms-mode) .gyxen-toc-mobile-btn {
    display: block;
  }
}

@media (max-width: 996px) {
  body.gyxen-cms-mode .gyxen-toc {
    display: none !important;
  }
  body.gyxen-cms-mode .gyxen-toc-mobile-btn {
    display: block;
    z-index: 148;
  }
}

@media (min-width: 997px) {
  body.gyxen-cms-mode .gyxen-toc {
    display: block;
  }
}

@media (min-width: 997px) {
  .gyxen-sidebar-backdrop {
    display: none !important;
  }
}

@media (max-width: 996px) {
  .gyxen-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    min-height: 2.5rem;
    flex-shrink: 0;
  }

  .gyxen-header {
    padding: 0 0.75rem;
    gap: 0.5rem;
  }

  .gyxen-header__brand img {
    height: 1.45rem;
  }

  .gyxen-header__docs {
    font-size: 0.85rem;
  }

  .gyxen-header__tools {
    gap: 0.35rem;
    min-width: 0;
    flex: 1;
    justify-content: flex-end;
    overflow: visible;
  }

  body.gyxen-cms-mode .gyxen-content-wrap,
  body.gyxen-inline-editing .gyxen-content-wrap,
  body.gyxen-cms-mode .gyxen-footer,
  body.gyxen-inline-editing .gyxen-footer {
    margin-left: 0 !important;
    width: 100% !important;
  }

  body.gyxen-cms-mode .gyxen-sidebar,
  body.gyxen-inline-editing .gyxen-sidebar {
    width: min(300px, 88vw);
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    z-index: 260;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
  }

  body.gyxen-cms-mode .gyxen-sidebar.is-open,
  body.gyxen-inline-editing .gyxen-sidebar.is-open {
    transform: translateX(0);
  }

  .gyxen-sidebar {
    position: fixed;
    top: var(--gyxen-chrome-top);
    left: 0;
    height: calc(100vh - var(--gyxen-chrome-top));
    height: calc(100dvh - var(--gyxen-chrome-top));
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    z-index: 260;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.12);
  }

  .gyxen-sidebar.is-open {
    transform: translateX(0);
  }

  .gyxen-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    top: var(--gyxen-chrome-top);
    z-index: 255;
    background: rgba(15, 23, 42, 0.45);
    -webkit-tap-highlight-color: transparent;
  }

  .gyxen-sidebar-backdrop.is-open {
    display: block;
  }

  body.gyxen-nav-open {
    overflow: hidden;
  }

  .gyxen-content-wrap {
    display: block;
    margin-left: 0;
    width: 100%;
  }

  .gyxen-footer {
    margin-left: 0;
    padding: 1.25rem 1rem 1.5rem;
  }

  .gyxen-main {
    padding: 1rem 1rem 2.5rem;
    max-width: none;
    width: 100%;
    box-sizing: border-box;
  }

  .gyxen-nav {
    padding: 0 0.5rem 1rem;
  }

  .gyxen-nav__toggle {
    font-size: 0.8125rem;
    padding: 0.55rem 0.65rem;
    min-height: 2.75rem;
  }

  .gyxen-nav__home,
  .gyxen-nav__link {
    padding-top: 0.45rem;
    padding-bottom: 0.45rem;
    min-height: 2.5rem;
    display: flex;
    align-items: center;
  }

  .gyxen-search {
    min-width: 0;
    flex: 1;
    max-width: none;
    padding: 0.4rem 0.55rem;
    font-size: 0.8125rem;
  }

  .gyxen-search kbd {
    display: none;
  }

  .gyxen-header__btn {
    padding: 0.35rem 0.5rem;
  }

  .gyxen-header__btn--lang [data-docs-lang-label] {
    display: none;
  }

  .gyxen-toc-mobile-btn {
    bottom: max(1rem, env(safe-area-inset-bottom));
    right: max(1rem, env(safe-area-inset-right));
    z-index: 148;
  }

  .gyxen-edit-bar {
    justify-content: flex-start;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    gap: 0.85rem;
    padding: 0 0.75rem;
    scrollbar-width: none;
  }

  body.gyxen-inline-editing .gyxen-main {
    min-width: 0;
    width: 100%;
  }

  .gyxen-main,
  .gyxen-page-body,
  .gyxen-markdown-body {
    overflow-x: hidden;
    max-width: 100%;
  }

  .gyxen-main table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    font-size: 0.8125rem;
  }

  .gyxen-main thead,
  .gyxen-main tbody,
  .gyxen-main tr {
    display: table;
    width: 100%;
    table-layout: auto;
  }

  .gyxen-main th,
  .gyxen-main td {
    padding: 0.45rem 0.55rem;
  }

  .gyxen-markdown-body pre {
    font-size: 0.8125rem;
    padding: 0.75rem;
  }

  .gyxen-tabs__nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .gyxen-tabs__nav::-webkit-scrollbar {
    display: none;
  }

  .gyxen-tabs__tab {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  .gyxen-breadcrumbs {
    flex-wrap: wrap;
    row-gap: 0.25rem;
  }

}

@media (max-width: 480px) {
  .gyxen-header__docs {
    display: none;
  }

  .gyxen-header__brand img {
    height: 1.35rem;
  }

  .gyxen-edit-bar {
    font-size: 0.75rem;
    height: auto;
    min-height: 36px;
    flex-wrap: nowrap;
  }

  .gyxen-breadcrumbs {
    font-size: 0.75rem;
  }

  .gyxen-main h1 {
    font-size: 1.5rem;
  }

  .gyxen-toc-mobile-btn {
    font-size: 0.75rem;
    padding: 0.5rem 0.75rem;
  }
}

/* CMS /edit/pages — ribbon Office + giấy soạn thảo */
body.ed-body--edit {
  background: #f3f2f1;
}
body.ed-body--edit .ed-office.gyxen-content-wrap,
body.ed-body--edit.gyxen-cms-mode .ed-office.gyxen-content-wrap {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  max-width: none;
  width: auto;
}
body.ed-body--edit .ed-paper.gyxen-main {
  max-width: 816px;
  padding: 2.25rem 3rem 3rem;
}
body.ed-body--edit .gyxen-edit-bar__btn {
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #fff;
  font: inherit;
  font-weight: 700;
  padding: 0.15rem 0.7rem;
  border-radius: 4px;
  cursor: pointer;
}
body.ed-body--edit .gyxen-edit-bar__btn:hover {
  background: rgba(255, 255, 255, 0.28);
}
@media (max-width: 996px) {
  body.ed-body--edit.gyxen-cms-mode .gyxen-layout-inner {
    flex-direction: column;
  }
  body.ed-body--edit.gyxen-cms-mode .gyxen-sidebar {
    position: relative !important;
    top: 0 !important;
    left: auto;
    width: 100% !important;
    max-width: none;
    height: auto !important;
    max-height: 42vh;
    transform: none !important;
    box-shadow: none;
    border-right: 0;
    border-bottom: 1px solid var(--gyxen-border);
  }
  body.ed-body--edit .ed-paper.gyxen-main {
    padding: 1.25rem 1.15rem 2rem;
  }
}