:root {
  --m3-primary: 0 97 164;
  --m3-on-primary: 255 255 255;
  --m3-primary-container: 209 228 255;
  --m3-on-primary-container: 0 29 54;
  --m3-secondary: 83 95 112;
  --m3-on-secondary: 255 255 255;
  --m3-secondary-container: 215 227 247;
  --m3-on-secondary-container: 16 28 43;
  --m3-surface: 248 249 255;
  --m3-surface-dim: 216 218 224;
  --m3-surface-container-low: 242 244 250;
  --m3-surface-container: 236 238 244;
  --m3-surface-container-high: 230 232 238;
  --m3-surface-container-highest: 224 226 232;
  --m3-on-surface: 25 28 32;
  --m3-on-surface-variant: 66 71 78;
  --m3-outline: 114 120 126;
  --m3-outline-variant: 193 199 206;
  --m3-inverse-surface: 46 49 53;
  --m3-inverse-on-surface: 240 240 244;
  --m3-scrim: 0 0 0;
  color-scheme: light;
}

html.dark {
  --m3-primary: 158 202 255;
  --m3-on-primary: 0 50 88;
  --m3-primary-container: 0 74 119;
  --m3-on-primary-container: 209 228 255;
  --m3-secondary: 187 199 219;
  --m3-on-secondary: 37 49 64;
  --m3-secondary-container: 59 72 88;
  --m3-on-secondary-container: 215 227 247;
  --m3-surface: 17 19 24;
  --m3-surface-dim: 17 19 24;
  --m3-surface-container-low: 25 28 32;
  --m3-surface-container: 29 32 36;
  --m3-surface-container-high: 39 42 46;
  --m3-surface-container-highest: 50 53 57;
  --m3-on-surface: 225 226 232;
  --m3-on-surface-variant: 193 199 206;
  --m3-outline: 139 145 152;
  --m3-outline-variant: 66 71 78;
  --m3-inverse-surface: 225 226 232;
  --m3-inverse-on-surface: 46 49 53;
  --m3-scrim: 0 0 0;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: rgb(var(--m3-surface));
  color: rgb(var(--m3-on-surface));
  font-family: "Google Sans", "Google Sans Text", Roboto, system-ui, sans-serif;
  line-height: 1.55;
}

.page,
.appbar,
.hero,
.card,
.doc-shell,
.doc-head,
.command,
.nav-link,
.icon-btn,
.kicker,
.brand-icon,
.command-code,
.inline-code,
.pipe-item,
.meta-row,
.footer,
.notice {
  transition:
    background-color 280ms cubic-bezier(0.2, 0, 0, 1),
    color 280ms cubic-bezier(0.2, 0, 0, 1),
    border-color 280ms cubic-bezier(0.2, 0, 0, 1),
    box-shadow 280ms cubic-bezier(0.2, 0, 0, 1),
    opacity 220ms cubic-bezier(0.2, 0, 0, 1),
    transform 220ms cubic-bezier(0.2, 0, 0, 1);
}

.material-icons-round {
  transition:
    color 280ms cubic-bezier(0.2, 0, 0, 1),
    transform 280ms cubic-bezier(0.2, 0, 0, 1),
    opacity 180ms cubic-bezier(0.2, 0, 0, 1);
}


@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}

html,
body {
  min-height: 100%;
  background: rgb(var(--m3-surface));
}

body {
  transition:
    background-color 280ms cubic-bezier(0.2, 0, 0, 1),
    color 280ms cubic-bezier(0.2, 0, 0, 1);
}

html::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgb(var(--m3-surface));
  opacity: 0;
  pointer-events: none;
  z-index: 9999;
  transition:
    opacity 220ms cubic-bezier(0.2, 0, 0, 1),
    background-color 280ms cubic-bezier(0.2, 0, 0, 1);
}

html.is-transitioning::before {
  opacity: 1;
}

body.is-entering .page {
  opacity: 0;
  transform: translateY(8px);
}

.page {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 260ms cubic-bezier(0.2, 0, 0, 1),
    transform 260ms cubic-bezier(0.2, 0, 0, 1);
}

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

button {
  font: inherit;
}

.page {
  width: min(100% - 24px, 1040px);
  margin: 0 auto;
  padding: 20px 0 40px;
}

.appbar {
  position: sticky;
  top: 0;
  z-index: 50;
  margin-bottom: 20px;
  padding: 12px 14px;
  border: 1px solid rgb(var(--m3-outline-variant) / 0.45);
  border-radius: 24px;
  background: rgb(var(--m3-surface-container) / 0.9);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgb(var(--m3-primary));
  color: rgb(var(--m3-on-primary));
  font-weight: 700;
  font-size: 1rem;
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.35),
    0 1px 3px 1px rgba(0, 0, 0, 0.15);
}

.brand-copy {
  min-width: 0;
}

.brand-label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgb(var(--m3-on-surface-variant));
  margin-bottom: 2px;
}

.brand-title {
  font-size: 0.98rem;
  font-weight: 700;
  color: rgb(var(--m3-on-surface));
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-link,
.icon-btn {
  border: 0;
  background: transparent;
  color: rgb(var(--m3-on-surface-variant));
  transition: 0.15s ease;
}

.nav-link {
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-link:hover {
  background: rgb(var(--m3-primary) / 0.1);
  color: rgb(var(--m3-primary));
}

.nav-link.active {
  background: rgb(var(--m3-secondary-container));
  color: rgb(var(--m3-on-secondary-container));
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: inline-grid;
  place-items: center;
  cursor: pointer;
}

.icon-btn:hover {
  background: rgb(var(--m3-on-surface) / 0.1);
  color: rgb(var(--m3-on-surface));
}

.hero {
  padding: 26px;
  border-radius: 32px;
  background: rgb(var(--m3-surface-container));
  border: 1px solid rgb(var(--m3-outline-variant) / 0.35);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.30),
    0 2px 6px 2px rgba(0, 0, 0, 0.15);
  margin-bottom: 18px;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgb(var(--m3-primary-container));
  color: rgb(var(--m3-on-primary-container));
  font-size: 0.86rem;
  font-weight: 600;
  margin-bottom: 14px;
}

.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero p {
  margin: 0;
  max-width: 72ch;
  color: rgb(var(--m3-on-surface-variant));
  font-size: 1rem;
}

.grid {
  display: grid;
  gap: 16px;
}

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

.card {
  background: rgb(var(--m3-surface-container));
  border: 1px solid rgb(var(--m3-outline-variant) / 0.28);
  border-radius: 28px;
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.30),
    0 2px 6px 2px rgba(0, 0, 0, 0.15);
}

.card-inner {
  padding: 22px;
}

.card h2 {
  margin: 0 0 12px;
  font-size: 1.12rem;
  letter-spacing: -0.02em;
}

.card p {
  margin: 0;
  color: rgb(var(--m3-on-surface));
}

.stack {
  display: grid;
  gap: 16px;
}

.command {
  padding: 16px 18px;
  border-radius: 24px;
  background: rgb(var(--m3-surface-container-high));
  border: 1px solid rgb(var(--m3-outline-variant) / 0.25);
}

.command-code,
.inline-code {
  font-family: "Roboto Mono", monospace;
  font-size: 0.88rem;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgb(var(--m3-primary) / 0.12);
  color: rgb(var(--m3-primary));
}

.command-title {
  margin-bottom: 10px;
}

.command p + p {
  margin-top: 8px;
}

.doc-content {
  line-height: 1.7;
}

.doc-content h1,
.doc-content h2,
.doc-content h3 {
  margin-top: 18px;
}

.doc-content code {
  font-family: "Roboto Mono", monospace;
  font-size: 0.9em;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgb(var(--m3-primary) / 0.12);
  color: rgb(var(--m3-primary));
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  color: rgb(var(--m3-on-surface-variant));
  font-size: 0.93rem;
  margin-top: 12px;
}

.meta-row span:not(:last-child)::after {
  content: "|";
  margin-left: 12px;
  color: rgb(var(--m3-outline));
}

.doc-shell {
  background: rgb(var(--m3-surface-container));
  border: 1px solid rgb(var(--m3-outline-variant) / 0.28);
  border-radius: 32px;
  overflow: hidden;
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.30),
    0 2px 6px 2px rgba(0, 0, 0, 0.15);
}

.doc-head {
  padding: 18px 22px;
  border-bottom: 1px solid rgb(var(--m3-outline-variant) / 0.28);
  background: rgb(var(--m3-surface-container-high));
}

.doc-content {
  max-width: 860px;
  padding: 28px 22px 34px;
  margin: 0 auto;
}

.doc-content h1,
.doc-content h2,
.doc-content h3 {
  margin: 0;
  letter-spacing: -0.02em;
}

.doc-content h1 {
  font-size: 2rem;
  line-height: 1.15;
}

.doc-content h2 {
  margin-top: 28px;
  font-size: 1.18rem;
}

.doc-content h3 {
  margin-top: 22px;
  font-size: 1rem;
}

.doc-content p {
  margin: 12px 0 0;
  color: rgb(var(--m3-on-surface));
}

.doc-content .muted {
  color: rgb(var(--m3-on-surface-variant));
}

.doc-content .pipe-list {
  margin-top: 12px;
}

.doc-content strong {
  font-weight: 700;
}

.doc-content code {
  font-family: "Roboto Mono", monospace;
  font-size: 0.88rem;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgb(var(--m3-primary) / 0.12);
  color: rgb(var(--m3-primary));
}

.footer {
  padding: 22px 4px 0;
  text-align: center;
  color: rgb(var(--m3-on-surface-variant));
  font-size: 0.9rem;
}

.notice {
  margin-top: 14px;
  color: rgb(var(--m3-on-surface-variant));
  font-size: 0.9rem;
  text-align: center;
}

.section-spacer {
  margin-top: 16px;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgb(var(--m3-surface-container));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: rgb(var(--m3-outline-variant));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgb(var(--m3-outline));
}

@media (max-width: 860px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .page {
    width: min(100% - 16px, 1040px);
    padding-top: 12px;
  }

  .appbar {
    border-radius: 22px;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
  }

  .hero,
  .card-inner,
  .doc-head,
  .doc-content {
    padding-left: 18px;
    padding-right: 18px;
  }
}