/* 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-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-header-h) + 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-header {
  top: 36px;
}
body:has(.gyxen-edit-bar) .gyxen-layout {
  padding-top: calc(var(--gyxen-header-h) + 36px);
}
body:has(.gyxen-edit-bar) .gyxen-sidebar {
  top: calc(var(--gyxen-header-h) + 36px);
  height: calc(100vh - var(--gyxen-header-h) - 36px);
}
body:has(.gyxen-edit-bar) .gyxen-toc {
  top: calc(var(--gyxen-header-h) + 36px + 1.5rem);
}

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: 100;
  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;
}

[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;
}

.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-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: flex;
  padding-top: var(--gyxen-header-h);
  min-height: 100vh;
}

/* Sidebar */
.gyxen-sidebar {
  position: fixed;
  top: var(--gyxen-header-h);
  left: 0;
  width: var(--gyxen-sidebar-w);
  height: calc(100vh - var(--gyxen-header-h));
  overflow-y: auto;
  background: var(--gyxen-sidebar-bg);
  border-right: 1px solid var(--gyxen-border);
  padding: 1rem 0 2rem;
  z-index: 50;
  pointer-events: auto;
}

.gyxen-nav {
  list-style: none;
  margin: 0;
  padding: 0 0.75rem;
}

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

.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 {
  margin-top: 0.25rem;
}

.gyxen-nav__toggle {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 0.45rem 0.75rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gyxen-text);
  background: none;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}
.gyxen-nav__toggle:hover {
  background: #f3f4f6;
}

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

.gyxen-nav__chevron {
  margin-left: auto;
  width: 0.5rem;
  height: 0.5rem;
  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-nav__group.is-open .gyxen-nav__chevron {
  transform: rotate(45deg);
  margin-top: -0.15rem;
}

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

.gyxen-nav__group.is-open .gyxen-nav__children {
  display: block;
}

.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;
}

/* Content column */
.gyxen-content-wrap {
  flex: 1;
  margin-left: var(--gyxen-sidebar-w);
  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;
}

/* 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-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) */
.gyxen-toc {
  position: sticky;
  top: calc(var(--gyxen-header-h) + 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-header-h) - 2rem);
  overflow-y: auto;
  z-index: 50;
  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;
  text-align: left;
  font-family: inherit;
}

.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 */
.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 */
@media (max-width: 1200px) {
  .gyxen-toc {
    display: none;
  }
  .gyxen-toc-mobile-btn {
    display: block;
  }
}

@media (max-width: 996px) {
  .gyxen-menu-toggle {
    display: block;
  }

  .gyxen-sidebar {
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    z-index: 90;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.12);
  }

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

  .gyxen-content-wrap,
  .gyxen-footer {
    margin-left: 0;
  }

  .gyxen-main {
    padding: 1.25rem 1.25rem 3rem;
  }

  .gyxen-search {
    min-width: 0;
    flex: 1;
    max-width: 140px;
  }
  .gyxen-search kbd {
    display: none;
  }

  .gyxen-header__btn--lang span {
    display: none;
  }
}