:root {
  color-scheme: light;
  --bg: #f7fbff;
  --bg-strong: #edf5ff;
  --panel: rgba(255, 255, 255, 0.84);
  --panel-strong: #ffffff;
  --panel-border: rgba(28, 31, 35, 0.08);
  --text: #1c1f23;
  --muted: #6b7075;
  --muted-strong: #5b6472;
  --accent: #0064fa;
  --accent-strong: #438ef8;
  --accent-soft: rgba(0, 100, 250, 0.1);
  --sun: #7a68ff;
  --sun-soft: rgba(122, 104, 255, 0.12);
  --info: rgba(0, 149, 238, 0.1);
  --warn: rgba(252, 136, 0, 0.1);
  --danger: rgba(249, 57, 32, 0.1);
  --shadow: 0 24px 80px rgba(43, 67, 150, 0.1);
  --sidebar-width: 290px;
  --toc-width: 240px;
  --content-width: 860px;
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --font-sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", "Consolas", monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background:
    radial-gradient(circle at 16% 18%, rgba(0, 149, 238, 0.14), transparent 26%),
    radial-gradient(circle at 84% 20%, rgba(106, 58, 199, 0.12), transparent 24%),
    radial-gradient(circle at 55% 90%, rgba(84, 169, 255, 0.08), transparent 30%),
    linear-gradient(135deg, #eff7ff 0%, #f9fbff 48%, #f4f2ff 100%);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

code,
pre,
kbd {
  font-family: var(--font-mono);
}

.site-chrome {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.glow {
  position: absolute;
  filter: blur(16px);
  border-radius: 999px;
  opacity: 0.65;
}

.glow-a {
  width: 320px;
  height: 320px;
  top: -60px;
  left: -40px;
  background: rgba(0, 149, 238, 0.16);
}

.glow-b {
  width: 260px;
  height: 260px;
  top: 20%;
  right: -80px;
  background: rgba(106, 58, 199, 0.16);
}

.glow-c {
  width: 240px;
  height: 240px;
  bottom: 6%;
  left: 20%;
  background: rgba(84, 169, 255, 0.16);
}

.app-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 24px 20px;
}

.sidebar-inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
  height: 100%;
  padding: 18px;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 12px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.56);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, #0095ee, #6a3ac7);
  color: #fff7ef;
  font-weight: 700;
  font-size: 1.05rem;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand-copy strong {
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.brand-copy small {
  color: var(--muted);
  font-size: 0.78rem;
}

.mobile-search-button,
.search-button,
.theme-toggle,
.topbar-link,
.button,
.button-ghost {
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.mobile-search-button,
.search-button,
.theme-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--muted-strong);
}

.search-button {
  justify-content: space-between;
  min-width: 180px;
}

.theme-toggle {
  justify-content: center;
  min-width: 122px;
  white-space: nowrap;
}

.mobile-search-button:hover,
.search-button:hover,
.theme-toggle:hover,
.topbar-link:hover,
.button:hover,
.button-ghost:hover,
.nav-link:hover,
.toc-link:hover,
.search-result:hover {
  transform: translateY(-1px);
  border-color: rgba(0, 100, 250, 0.22);
}

kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.5rem;
  padding: 0.1rem 0.45rem;
  border-radius: 8px;
  background: rgba(24, 22, 18, 0.08);
  color: var(--muted-strong);
  font-size: 0.78rem;
}

.nav-groups {
  display: flex;
  flex-direction: column;
  gap: 20px;
  overflow: auto;
  padding-right: 4px;
}

.nav-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-group-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  padding: 0 10px;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  text-align: left;
}

.nav-group-label {
  display: flex;
  align-items: center;
  padding: 0 10px;
}

.nav-group-title {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-group-caret {
  flex: none;
  width: 10px;
  height: 10px;
  border-right: 1.8px solid currentColor;
  border-bottom: 1.8px solid currentColor;
  transform: rotate(45deg);
  transition: transform 180ms ease;
  opacity: 0.7;
}

.nav-group.is-expanded .nav-group-caret {
  transform: rotate(225deg);
}

.nav-group-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-group-toggle:hover .nav-group-title,
.nav-group-toggle:hover .nav-group-caret {
  color: var(--muted-strong);
}

.nav-link {
  display: block;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 14px;
  color: var(--muted-strong);
  font-size: 0.96rem;
}

.nav-link.active {
  border-color: rgba(0, 100, 250, 0.18);
  background: linear-gradient(135deg, rgba(0, 149, 238, 0.12), rgba(106, 58, 199, 0.06));
  color: #005ce6;
  font-weight: 600;
}

.sidebar-card {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border-radius: 22px;
  border: 1px solid rgba(0, 100, 250, 0.12);
  background:
    linear-gradient(180deg, rgba(0, 149, 238, 0.1), rgba(106, 58, 199, 0.04)),
    rgba(255, 255, 255, 0.4);
}

.sidebar-card-label {
  color: var(--muted);
  font-size: 0.8rem;
}

.sidebar-card code {
  display: inline-flex;
  width: fit-content;
  padding: 0.35rem 0.55rem;
  border-radius: 10px;
  background: rgba(16, 20, 24, 0.08);
  color: var(--accent-strong);
  font-size: 0.82rem;
}

.sidebar-card p {
  margin: 0;
  color: var(--muted-strong);
  font-size: 0.88rem;
  line-height: 1.55;
}

.main-shell {
  min-width: 0;
  padding: 24px 28px 48px 8px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 18px;
  margin-bottom: 24px;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(24px);
}

.topbar-left,
.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.breadcrumbs {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.9rem;
}

.breadcrumb-current {
  color: var(--text);
  font-weight: 600;
}

.topbar-link {
  padding: 11px 16px;
  background: rgba(255, 255, 255, 0.56);
  color: var(--muted-strong);
}

.theme-toggle-dot {
  width: 0.68rem;
  height: 0.68rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--sun), var(--accent));
  box-shadow: 0 0 0 4px rgba(0, 100, 250, 0.08);
  flex-shrink: 0;
}

.icon-button {
  display: none;
  position: relative;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--panel-border);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.72);
}

.icon-button span {
  position: absolute;
  left: 11px;
  right: 11px;
  height: 2px;
  border-radius: 999px;
  background: var(--muted-strong);
}

#sidebar-toggle span:first-child {
  top: 15px;
}

#sidebar-toggle span:last-child {
  top: 23px;
}

.close-button span:first-child {
  top: 19px;
  transform: rotate(45deg);
}

.close-button span:last-child {
  top: 19px;
  transform: rotate(-45deg);
}

.content-grid {
  display: grid;
  grid-template-columns:
    minmax(0, var(--toc-width))
    minmax(0, var(--content-width))
    minmax(0, var(--toc-width));
  gap: 26px;
  justify-content: center;
  align-items: start;
}

.article-wrap {
  grid-column: 2;
  min-width: 0;
}

.article {
  width: 100%;
  margin-inline: auto;
  padding: 40px clamp(22px, 4vw, 42px) 56px;
  border: 1px solid var(--panel-border);
  border-radius: 34px;
  background: var(--panel);
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow);
  animation: rise-in 320ms ease;
}

.toc {
  grid-column: 3;
  position: sticky;
  top: 96px;
  padding: 18px;
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
}

.toc:empty {
  display: none;
}

.toc-title {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.toc-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.toc-link {
  display: block;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 12px;
  color: var(--muted-strong);
  font-size: 0.88rem;
  text-align: left;
  background: transparent;
  cursor: pointer;
}

.toc-link.is-sub {
  padding-left: 18px;
  color: var(--muted);
}

.page-head,
.hero {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 36px;
}

html:not([data-theme="dark"]) .page-head,
html:not([data-theme="dark"]) .hero {
  position: relative;
  overflow: hidden;
  padding: 30px;
  border: 1px solid rgba(0, 100, 250, 0.08);
  border-radius: 28px;
  background:
    radial-gradient(circle at 0% 24%, rgba(0, 149, 238, 0.08), transparent 28%),
    radial-gradient(circle at 100% 20%, rgba(106, 58, 199, 0.08), transparent 26%),
    linear-gradient(135deg, rgba(235, 246, 255, 0.92), rgba(255, 255, 255, 0.96) 46%, rgba(244, 241, 255, 0.94));
  box-shadow: 0 24px 60px rgba(48, 91, 255, 0.08);
}

html:not([data-theme="dark"]) .page-head::before,
html:not([data-theme="dark"]) .hero::before {
  content: "";
  position: absolute;
  inset: auto -8% -35% auto;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(106, 58, 199, 0.14), transparent 64%);
  filter: blur(16px);
  pointer-events: none;
}

.eyebrow,
.search-eyebrow {
  margin: 0;
  color: #2b89f5;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.48rem 0.78rem;
  border-radius: 999px;
  background: rgba(0, 149, 238, 0.08);
  color: #2b89f5;
  font-size: 0.82rem;
  font-weight: 600;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -0.035em;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 1.02;
}

h2 {
  margin-top: 40px;
  margin-bottom: 16px;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  line-height: 1.14;
  scroll-margin-top: 110px;
}

h3 {
  margin-top: 26px;
  margin-bottom: 12px;
  font-size: clamp(1.05rem, 1.8vw, 1.22rem);
  scroll-margin-top: 110px;
}

html:not([data-theme="dark"]) .hero h1,
html:not([data-theme="dark"]) .page-head h1 {
  background: linear-gradient(135deg, #1c1f23 0%, #1c1f23 28%, #0095ee 56%, #6a3ac7 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  margin: 0;
  max-width: 760px;
  color: var(--muted-strong);
  font-size: 1.08rem;
  line-height: 1.78;
}

.hero-subgrid,
.card-grid,
.mini-card-grid,
.step-grid,
.metric-row {
  display: grid;
  gap: 16px;
}

.hero-subgrid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 10px;
}

.metric-card,
.feature-card,
.step-card,
.link-card,
.spot-card {
  border: 1px solid var(--panel-border);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.7);
}

.metric-card,
.feature-card,
.step-card,
.spot-card {
  padding: 18px;
}

.metric-card strong,
.feature-card strong,
.step-card strong,
.spot-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1rem;
}

.metric-card p,
.feature-card p,
.step-card p,
.spot-card p,
.link-card p,
.callout p,
.article p,
.article li {
  color: var(--muted-strong);
  line-height: 1.76;
}

.metric-value {
  font-size: 1.4rem;
  color: var(--text);
  font-weight: 700;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.button,
.button-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 18px;
  font-weight: 600;
}

.button {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff8ef;
}

.button-ghost {
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted-strong);
}

.card-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mini-card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.step-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  margin-bottom: 14px;
  border-radius: 12px;
  background: var(--sun-soft);
  color: var(--sun);
  font-weight: 700;
}

.link-card {
  display: block;
  padding: 20px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.link-card strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1.02rem;
}

.link-card:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 100, 250, 0.18);
  box-shadow: 0 18px 30px rgba(48, 91, 255, 0.08);
}

.spot-card {
  background:
    linear-gradient(180deg, rgba(0, 149, 238, 0.06), rgba(106, 58, 199, 0.03)),
    rgba(255, 255, 255, 0.64);
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.5rem 0.8rem;
  border: 1px solid rgba(0, 100, 250, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--muted-strong);
  font-size: 0.84rem;
}

.callout {
  margin: 22px 0;
  padding: 18px 20px;
  border-radius: 20px;
  border: 1px solid transparent;
}

.doc-image-wrap {
  margin: 20px 0 26px;
}

.doc-image-frame {
  overflow: hidden;
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  background: var(--panel-strong);
  box-shadow: 0 18px 40px rgba(43, 67, 150, 0.08);
}

.doc-image {
  display: block;
  width: 100%;
  height: auto;
}

.doc-image-caption {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.callout-title {
  margin: 0 0 6px;
  color: var(--text);
  font-weight: 700;
}

.callout.info {
  background: var(--info);
  border-color: rgba(0, 149, 238, 0.14);
}

.callout.warn {
  background: var(--warn);
  border-color: rgba(252, 136, 0, 0.16);
}

.callout.danger {
  background: var(--danger);
  border-color: rgba(197, 91, 45, 0.16);
}

.table-wrap {
  overflow: auto;
  margin: 20px 0 10px;
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.66);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
}

th,
td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(30, 27, 20, 0.06);
  vertical-align: top;
}

thead th {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.article p {
  margin: 0 0 16px;
}

.article ul,
.article ol {
  margin: 0 0 18px;
  padding-left: 1.25rem;
}

.article li + li {
  margin-top: 8px;
}

.article hr {
  margin: 30px 0;
  border: 0;
  border-top: 1px solid rgba(30, 27, 20, 0.08);
}

.inline-code {
  padding: 0.12rem 0.4rem;
  border-radius: 8px;
  background: rgba(16, 20, 24, 0.08);
  color: var(--accent-strong);
  font-size: 0.92em;
}

pre {
  position: relative;
  margin: 20px 0;
  padding: 54px 18px 20px;
  overflow: auto;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 30%),
    #11161b;
  color: #f6f0e3;
  font-size: 0.9rem;
  line-height: 1.7;
}

pre code {
  white-space: pre;
}

.code-lang {
  position: absolute;
  top: 14px;
  left: 16px;
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 245, 226, 0.85);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.copy-button {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 0.38rem 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #fbf2e2;
  cursor: pointer;
}

.copy-button.is-copied {
  border-color: rgba(72, 221, 161, 0.3);
  background: rgba(72, 221, 161, 0.16);
}

.tabs {
  margin: 18px 0 10px;
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.64);
  overflow: hidden;
}

.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px;
  border-bottom: 1px solid rgba(30, 27, 20, 0.06);
  background: rgba(238, 245, 255, 0.92);
}

.tab-trigger {
  padding: 0.55rem 0.9rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.tab-trigger.is-active {
  border-color: rgba(0, 100, 250, 0.14);
  background: rgba(255, 255, 255, 0.96);
  color: #217df6;
  font-weight: 600;
}

.tab-panel {
  display: none;
  padding: 0 16px 12px;
}

.tab-panel.is-active {
  display: block;
}

.page-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 46px;
  padding-top: 28px;
  border-top: 1px solid rgba(30, 27, 20, 0.08);
}

.page-nav a {
  flex: 1;
  padding: 18px;
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.66);
}

.page-nav a span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 8px;
}

.page-nav a strong {
  font-size: 1rem;
}

.page-nav a:last-child {
  text-align: right;
}

.search-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
}

.search-backdrop,
.mobile-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(24, 22, 18, 0.35);
  backdrop-filter: blur(6px);
}

.search-panel {
  position: relative;
  width: min(720px, calc(100vw - 32px));
  margin: 8vh auto 0;
  padding: 22px;
  border: 1px solid var(--panel-border);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 36px 100px rgba(48, 91, 255, 0.12);
}

.search-panel-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 18px;
}

.search-panel-head h2 {
  margin: 6px 0 0;
  font-size: clamp(1.4rem, 3vw, 2rem);
}

.search-input-wrap {
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--muted);
  font-size: 0.9rem;
}

.search-input-wrap input {
  width: 100%;
  padding: 16px 18px;
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  background: #ffffff;
  outline: none;
}

.search-input-wrap input:focus {
  border-color: rgba(0, 100, 250, 0.24);
  box-shadow: 0 0 0 4px rgba(0, 100, 250, 0.08);
}

.search-hint-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin: 12px 0 18px;
  color: var(--muted);
  font-size: 0.82rem;
}

.search-results {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: min(60vh, 640px);
  overflow: auto;
}

.search-result,
.search-empty {
  padding: 16px 18px;
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
}

.search-result strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1rem;
}

.search-result span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 6px;
}

.search-result p,
.search-empty p {
  margin: 0;
  color: var(--muted-strong);
}

.search-empty {
  text-align: center;
}

[hidden] {
  display: none !important;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1260px) {
  .content-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .article-wrap,
  .toc {
    grid-column: 1;
  }

  .toc {
    display: none;
  }
}

@media (max-width: 1024px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(88vw, 360px);
    transform: translateX(-110%);
    transition: transform 220ms ease;
    z-index: 40;
  }

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

  .main-shell {
    padding: 18px 16px 36px;
  }

  .icon-button {
    display: inline-block;
  }

  .topbar {
    border-radius: 22px;
    padding: 14px;
  }

  .topbar-link {
    display: none;
  }

  .theme-toggle {
    min-width: auto;
  }

  .hero-subgrid,
  .mini-card-grid,
  .metric-row,
  .step-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .article {
    padding: 28px 18px 42px;
    border-radius: 26px;
  }

  .topbar-right .search-button {
    display: none;
  }

  .hero-subgrid,
  .card-grid,
  .mini-card-grid,
  .metric-row,
  .step-grid,
  .page-nav {
    grid-template-columns: 1fr;
  }

  .page-nav {
    display: grid;
  }

  .page-nav a:last-child {
    text-align: left;
  }

  .search-panel {
    margin-top: 4vh;
    padding: 18px;
  }

  .search-hint-row {
    flex-direction: column;
  }
}

/* Ergouzi dark theme override */

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #050816;
  --bg-strong: #0a1020;
  --panel: rgba(10, 16, 30, 0.78);
  --panel-strong: rgba(12, 19, 35, 0.94);
  --panel-border: rgba(148, 163, 184, 0.14);
  --text: #f7fbff;
  --muted: #8090ab;
  --muted-strong: #c6d2ea;
  --accent: #5aa9ff;
  --accent-strong: #a8d9ff;
  --accent-soft: rgba(90, 169, 255, 0.14);
  --sun: #facc15;
  --sun-soft: rgba(250, 204, 21, 0.16);
  --info: rgba(14, 137, 153, 0.14);
  --warn: rgba(213, 111, 15, 0.14);
  --danger: rgba(215, 81, 67, 0.14);
  --shadow: 0 28px 80px rgba(3, 8, 20, 0.45);
  --font-sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

html[data-theme="dark"] body {
  color: var(--text);
  background:
    radial-gradient(circle at 18% 12%, rgba(99, 102, 241, 0.26), transparent 22%),
    radial-gradient(circle at 80% 16%, rgba(20, 184, 166, 0.24), transparent 24%),
    radial-gradient(circle at 48% 0%, rgba(59, 130, 246, 0.14), transparent 30%),
    linear-gradient(180deg, #030711 0%, #07101f 42%, #040914 100%);
}

html[data-theme="dark"] .glow {
  filter: blur(120px);
  opacity: 0.38;
}

html[data-theme="dark"] .glow-a {
  width: 420px;
  height: 420px;
  top: -80px;
  left: -20px;
  background: #6366f1;
}

html[data-theme="dark"] .glow-b {
  width: 380px;
  height: 380px;
  top: 12%;
  right: -120px;
  background: #14b8a6;
}

html[data-theme="dark"] .glow-c {
  width: 300px;
  height: 300px;
  bottom: 4%;
  left: 22%;
  background: rgba(96, 165, 250, 0.9);
}

html[data-theme="dark"] .sidebar-inner,
html[data-theme="dark"] .topbar,
html[data-theme="dark"] .article,
html[data-theme="dark"] .toc,
html[data-theme="dark"] .search-panel {
  border-color: var(--panel-border);
  background: linear-gradient(180deg, rgba(16, 24, 40, 0.86), rgba(7, 12, 24, 0.92));
  box-shadow: var(--shadow);
}

html[data-theme="dark"] .sidebar-inner {
  background:
    linear-gradient(180deg, rgba(14, 22, 39, 0.92), rgba(8, 13, 24, 0.98)),
    rgba(10, 16, 30, 0.9);
}

html[data-theme="dark"] .brand {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(148, 163, 184, 0.1);
}

html[data-theme="dark"] .brand-mark {
  background: linear-gradient(135deg, #4f67ff, #14b8a6);
  box-shadow: 0 10px 28px rgba(79, 103, 255, 0.28);
}

html[data-theme="dark"] .brand-copy strong {
  color: #eff6ff;
}

html[data-theme="dark"] .brand-copy small,
html[data-theme="dark"] .nav-group-title,
html[data-theme="dark"] .sidebar-card-label,
html[data-theme="dark"] .breadcrumbs,
html[data-theme="dark"] .toc-title,
html[data-theme="dark"] .search-hint-row,
html[data-theme="dark"] thead th,
html[data-theme="dark"] .page-nav a span,
html[data-theme="dark"] .search-result span {
  color: var(--muted);
}

html[data-theme="dark"] .mobile-search-button,
html[data-theme="dark"] .search-button,
html[data-theme="dark"] .theme-toggle,
html[data-theme="dark"] .topbar-link,
html[data-theme="dark"] .button-ghost,
html[data-theme="dark"] .icon-button,
html[data-theme="dark"] .search-input-wrap input,
html[data-theme="dark"] .search-result,
html[data-theme="dark"] .search-empty {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(148, 163, 184, 0.12);
  color: var(--muted-strong);
}

html[data-theme="dark"] .mobile-search-button:hover,
html[data-theme="dark"] .search-button:hover,
html[data-theme="dark"] .theme-toggle:hover,
html[data-theme="dark"] .topbar-link:hover,
html[data-theme="dark"] .button:hover,
html[data-theme="dark"] .button-ghost:hover,
html[data-theme="dark"] .nav-link:hover,
html[data-theme="dark"] .toc-link:hover,
html[data-theme="dark"] .search-result:hover,
html[data-theme="dark"] .page-nav a:hover,
html[data-theme="dark"] .link-card:hover {
  border-color: rgba(90, 169, 255, 0.22);
  box-shadow: 0 16px 36px rgba(4, 10, 24, 0.28);
}

html[data-theme="dark"] .theme-toggle-dot {
  box-shadow: 0 0 0 4px rgba(90, 169, 255, 0.12);
}

html[data-theme="dark"] kbd {
  background: rgba(255, 255, 255, 0.08);
  color: #dbeafe;
}

html[data-theme="dark"] .nav-link {
  color: var(--muted-strong);
}

html[data-theme="dark"] .nav-link.active {
  border-color: rgba(90, 169, 255, 0.28);
  background:
    linear-gradient(135deg, rgba(79, 103, 255, 0.24), rgba(20, 184, 166, 0.14)),
    rgba(255, 255, 255, 0.03);
  color: #eef6ff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

html[data-theme="dark"] .sidebar-card {
  border-color: rgba(90, 169, 255, 0.18);
  background:
    linear-gradient(135deg, rgba(79, 103, 255, 0.16), rgba(20, 184, 166, 0.1)),
    rgba(255, 255, 255, 0.03);
}

html[data-theme="dark"] .sidebar-card code,
html[data-theme="dark"] .inline-code {
  background: rgba(90, 169, 255, 0.12);
  color: #cde7ff;
}

html[data-theme="dark"] .topbar {
  background:
    linear-gradient(180deg, rgba(14, 22, 39, 0.8), rgba(9, 14, 26, 0.88)),
    rgba(10, 16, 30, 0.8);
}

html[data-theme="dark"] .breadcrumb-current,
html[data-theme="dark"] h1,
html[data-theme="dark"] h2,
html[data-theme="dark"] h3,
html[data-theme="dark"] .callout-title,
html[data-theme="dark"] .metric-value,
html[data-theme="dark"] .page-nav a strong,
html[data-theme="dark"] .search-panel-head h2,
html[data-theme="dark"] .search-result strong {
  color: #f8fbff;
}

html[data-theme="dark"] .icon-button span {
  background: #dbeafe;
}

html[data-theme="dark"] .article {
  background:
    linear-gradient(180deg, rgba(11, 18, 33, 0.9), rgba(7, 13, 24, 0.96)),
    rgba(10, 16, 30, 0.86);
}

html[data-theme="dark"] .toc {
  background:
    linear-gradient(180deg, rgba(13, 20, 36, 0.82), rgba(8, 13, 24, 0.94)),
    rgba(10, 16, 30, 0.78);
}

html[data-theme="dark"] .toc-link {
  color: var(--muted-strong);
}

html[data-theme="dark"] .toc-link.is-sub {
  color: var(--muted);
}

html[data-theme="dark"] .page-head,
html[data-theme="dark"] .hero {
  position: relative;
  overflow: hidden;
  padding: 30px;
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(79, 103, 255, 0.18), rgba(20, 184, 166, 0.1) 42%, rgba(255, 255, 255, 0.03) 100%),
    rgba(255, 255, 255, 0.02);
}

html[data-theme="dark"] .page-head::before,
html[data-theme="dark"] .hero::before {
  content: "";
  position: absolute;
  inset: auto -10% -38% auto;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.22), transparent 64%);
  filter: blur(18px);
  pointer-events: none;
}

html[data-theme="dark"] .hero h1,
html[data-theme="dark"] .page-head h1 {
  background: linear-gradient(135deg, #ffffff 0%, #dbeafe 45%, #8ee7de 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

html[data-theme="dark"] .eyebrow,
html[data-theme="dark"] .search-eyebrow,
html[data-theme="dark"] .page-badge {
  color: #cde7ff;
}

html[data-theme="dark"] .page-badge {
  border: 1px solid rgba(90, 169, 255, 0.16);
  background: rgba(90, 169, 255, 0.12);
}

html[data-theme="dark"] .lead,
html[data-theme="dark"] .metric-card p,
html[data-theme="dark"] .feature-card p,
html[data-theme="dark"] .step-card p,
html[data-theme="dark"] .spot-card p,
html[data-theme="dark"] .link-card p,
html[data-theme="dark"] .callout p,
html[data-theme="dark"] .article p,
html[data-theme="dark"] .article li,
html[data-theme="dark"] .sidebar-card p {
  color: var(--muted-strong);
}

html[data-theme="dark"] .metric-card,
html[data-theme="dark"] .feature-card,
html[data-theme="dark"] .step-card,
html[data-theme="dark"] .link-card,
html[data-theme="dark"] .spot-card,
html[data-theme="dark"] .table-wrap,
html[data-theme="dark"] .tabs,
html[data-theme="dark"] .page-nav a {
  border-color: rgba(148, 163, 184, 0.12);
  background:
    linear-gradient(180deg, rgba(17, 24, 39, 0.86), rgba(10, 16, 29, 0.92)),
    rgba(255, 255, 255, 0.03);
}

html[data-theme="dark"] .spot-card {
  background:
    linear-gradient(135deg, rgba(79, 103, 255, 0.12), rgba(20, 184, 166, 0.08)),
    rgba(255, 255, 255, 0.03);
}

html[data-theme="dark"] .button {
  border-color: rgba(90, 169, 255, 0.18);
  background: linear-gradient(135deg, #4f67ff 0%, #208dff 42%, #14b8a6 100%);
  color: #f8fbff;
  box-shadow: 0 14px 32px rgba(48, 91, 255, 0.22);
}

html[data-theme="dark"] .button-ghost {
  color: #dbeafe;
}

html[data-theme="dark"] .pill {
  border-color: rgba(148, 163, 184, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: #d6e6ff;
}

html[data-theme="dark"] .callout.info {
  background: rgba(10, 129, 151, 0.12);
  border-color: rgba(56, 187, 198, 0.18);
}

html[data-theme="dark"] .callout.warn {
  background: rgba(255, 146, 20, 0.1);
  border-color: rgba(255, 174, 67, 0.18);
}

html[data-theme="dark"] .callout.danger {
  background: rgba(215, 81, 67, 0.12);
  border-color: rgba(252, 114, 90, 0.18);
}

html[data-theme="dark"] th,
html[data-theme="dark"] td {
  border-bottom-color: rgba(148, 163, 184, 0.08);
  color: var(--muted-strong);
}

html[data-theme="dark"] .article hr,
html[data-theme="dark"] .page-nav {
  border-color: rgba(148, 163, 184, 0.1);
}

html[data-theme="dark"] .article a:not(.button):not(.button-ghost):not(.link-card):not(.nav-link) {
  color: #8dc5ff;
}

html[data-theme="dark"] pre {
  border-color: rgba(90, 169, 255, 0.14);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 28%),
    linear-gradient(180deg, #0d1426, #091120);
  color: #edf6ff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

html[data-theme="dark"] .code-lang,
html[data-theme="dark"] .copy-button {
  border-color: rgba(148, 163, 184, 0.16);
  background: rgba(255, 255, 255, 0.06);
  color: #dbeafe;
}

html[data-theme="dark"] .copy-button.is-copied {
  border-color: rgba(20, 184, 166, 0.32);
  background: rgba(20, 184, 166, 0.14);
}

html[data-theme="dark"] .tab-list {
  border-bottom-color: rgba(148, 163, 184, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

html[data-theme="dark"] .tab-trigger {
  color: var(--muted);
}

html[data-theme="dark"] .tab-trigger.is-active {
  border-color: rgba(90, 169, 255, 0.18);
  background:
    linear-gradient(135deg, rgba(79, 103, 255, 0.18), rgba(20, 184, 166, 0.1)),
    rgba(255, 255, 255, 0.04);
  color: #eff6ff;
}

html[data-theme="dark"] .search-backdrop,
html[data-theme="dark"] .mobile-backdrop {
  background: rgba(2, 6, 18, 0.56);
}

html[data-theme="dark"] .search-panel {
  background:
    linear-gradient(180deg, rgba(13, 20, 36, 0.96), rgba(8, 13, 24, 0.98)),
    rgba(10, 16, 30, 0.95);
}

html[data-theme="dark"] .search-input-wrap input:focus {
  border-color: rgba(90, 169, 255, 0.28);
  box-shadow: 0 0 0 4px rgba(90, 169, 255, 0.1);
}

@media (max-width: 1024px) {
  html[data-theme="dark"] .sidebar {
    background: linear-gradient(180deg, rgba(4, 8, 20, 0.72), rgba(4, 8, 20, 0.72));
  }
}

@media (max-width: 720px) {
  html[data-theme="dark"] .page-head,
  html[data-theme="dark"] .hero {
    padding: 22px;
    border-radius: 24px;
  }
}