:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-soft: #f9fafb;
  --surface-raised: #ffffff;
  --text: #202428;
  --heading: #11161a;
  --muted: #68737d;
  --line: #d9e0e6;
  --accent: #2d7f5e;
  --accent-strong: #1f6146;
  --accent-soft: #e7f4ee;
  --warn: #8a641c;
  --warn-soft: #fff5dd;
  --danger: #9f3d31;
  --danger-soft: #fde9e5;
  --code-bg: #171b20;
  --code-text: #edf2f6;
  --shadow: 0 18px 42px rgba(26, 39, 52, 0.08);
  --radius: 6px;
  --font-sans: "Outfit", "Aptos", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #14181c;
  --surface: #1c2228;
  --surface-soft: #171c21;
  --surface-raised: #222a31;
  --text: #e9eef2;
  --heading: #f7fafc;
  --muted: #aeb8c2;
  --line: #37424c;
  --accent: #7fc7a9;
  --accent-strong: #a7dec8;
  --accent-soft: #1f3b31;
  --warn: #e0bd70;
  --warn-soft: #3c2f18;
  --danger: #e48a7a;
  --danger-soft: #3d231f;
  --code-bg: #101316;
  --code-text: #f4f7f8;
  --shadow: 0 18px 42px rgba(0, 0, 0, 0.24);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
}

a {
  color: var(--accent-strong);
  text-decoration-color: color-mix(in srgb, var(--accent) 45%, transparent);
  text-underline-offset: 0.2em;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 4;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.utility-bar,
.page-shell,
.site-footer {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.utility-bar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.5rem;
  align-items: center;
  min-height: 64px;
}

.brand {
  color: var(--heading);
  font-size: 1.08rem;
  font-weight: 800;
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  justify-content: center;
  color: var(--muted);
  font-size: 0.94rem;
}

.site-nav a,
.site-footer a {
  color: inherit;
  text-decoration: none;
}

.site-nav a:hover,
.site-footer a:hover {
  color: var(--accent-strong);
}

.theme-toggle,
.button,
.clear-button,
.filter-button,
.copy-button {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-raised);
  color: var(--text);
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.theme-toggle:hover,
.button:hover,
.clear-button:hover,
.filter-button:hover,
.copy-button:hover {
  border-color: var(--accent);
}

.theme-toggle:active,
.button:active,
.clear-button:active,
.filter-button:active,
.copy-button:active {
  transform: translateY(1px);
}

.theme-toggle {
  padding: 0.45rem 0.65rem;
}

.page-shell {
  padding: 1.25rem 0 4rem;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 1.25rem;
  padding: 0;
  color: var(--muted);
  font-size: 0.9rem;
  list-style: none;
}

.breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: 0.45rem;
  color: color-mix(in srgb, var(--muted) 65%, transparent);
}

.article {
  display: grid;
  gap: 0.85rem;
}

.article-header,
.quick-notes,
.toolbar-band,
.faq-section {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.article-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 340px);
  gap: 1rem;
  align-items: start;
  padding: clamp(1rem, 2.4vw, 1.4rem);
}

.article-kicker {
  margin-bottom: 0.75rem;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  color: var(--heading);
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.08;
}

.dek {
  max-width: 820px;
  margin: 0.6rem 0 0;
  color: var(--muted);
  font-size: 1rem;
}

.article-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.45rem;
}

.article-meta span {
  padding: 0.4rem 0.58rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.82rem;
}

.article-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
  margin-top: 0.7rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.65rem;
  padding: 0.68rem 0.9rem;
  color: var(--text);
  font-weight: 750;
  text-decoration: none;
}

.button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.button.secondary {
  background: var(--surface-soft);
}

.quick-notes h2,
.toolbar h2,
.faq-section h2 {
  margin: 0 0 0.55rem;
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  line-height: 1.18;
}

.toolbar p,
.faq-section p {
  margin: 0;
  color: var(--muted);
}

.quick-notes,
.faq-section {
  padding: clamp(1.25rem, 3vw, 1.8rem);
}

.quick-notes ul {
  display: grid;
  gap: 0.55rem;
  margin: 0.7rem 0 0;
  padding-left: 1.2rem;
}

.quick-notes li {
  padding-left: 0.15rem;
}

.toolbar-band {
  padding: 1rem;
}

.toolbar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  align-items: stretch;
}

.toolbar h2 {
  margin: 0 0 0.15rem;
  font-size: 1.35rem;
}

.toolbar p {
  max-width: 70ch;
  font-size: 0.9rem;
}

.search-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.search-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.6rem;
}

[type="search"] {
  width: 100%;
  min-height: 3rem;
  padding: 0 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-raised);
  color: var(--text);
}

[type="search"]:focus {
  outline: 3px solid color-mix(in srgb, var(--accent) 23%, transparent);
  border-color: var(--accent);
}

.clear-button,
.copy-button {
  padding: 0.55rem 0.75rem;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding-top: 0.1rem;
}

.filter-button {
  min-height: 2.05rem;
  padding: 0.36rem 0.65rem;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 750;
  line-height: 1;
  text-align: center;
  white-space: normal;
}

.filter-button[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.result-count {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.docs-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
}

.section-nav-wrap {
  position: sticky;
  top: 1rem;
  max-height: calc(100dvh - 2rem);
  overflow: auto;
  padding: 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.nav-title {
  margin: 0 0 0.6rem;
  color: var(--heading);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.section-nav {
  display: grid;
  gap: 0.25rem;
}

.section-nav a {
  padding: 0.45rem 0.5rem;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.92rem;
  text-decoration: none;
}

.section-nav a:hover {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.sections {
  display: grid;
  gap: 1.35rem;
  min-width: 0;
}

.cheat-section {
  scroll-margin-top: 10rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.section-heading {
  display: grid;
  gap: 0.35rem;
  padding: 1.1rem 1.1rem 0;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
}

.section-heading p {
  max-width: 68ch;
  margin: 0;
  color: var(--muted);
}

.item-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 0;
  padding: 1rem;
}

.cheat-card {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 0.72rem;
  min-width: 0;
  padding: 1rem;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.cheat-card:nth-child(1),
.cheat-card:nth-child(2) {
  border-top: 0;
}

.cheat-card:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.7rem;
}

.card-head h3 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.28;
}

.status {
  flex: 0 0 auto;
  padding: 0.18rem 0.44rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
}

.status.changed,
.status.caution {
  background: var(--warn-soft);
  color: var(--warn);
}

.status.removed {
  background: var(--danger-soft);
  color: var(--danger);
}

.syntax {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.83rem;
  overflow-wrap: anywhere;
}

.code-wrap {
  position: relative;
  min-width: 0;
}

.code-wrap pre {
  min-height: 8rem;
  max-height: 18rem;
  margin: 0;
  overflow: auto;
  padding: 0.9rem;
  border-radius: var(--radius);
  background: var(--code-bg);
  color: var(--code-text);
  font-size: 0.82rem;
  line-height: 1.55;
}

.copy-button {
  position: absolute;
  right: 0.5rem;
  top: 0.5rem;
  background: color-mix(in srgb, var(--surface-raised) 88%, transparent);
  color: var(--text);
  font-size: 0.78rem;
}

.notes {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.replacement {
  margin: 0;
  padding: 0.7rem;
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.9rem;
}

.official-link {
  justify-self: start;
  color: var(--accent-strong);
  font-size: 0.9rem;
  font-weight: 750;
}

.empty-state,
.error-state {
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.empty-state h2,
.error-state h2 {
  margin: 0 0 0.4rem;
}

.empty-state p,
.error-state p {
  margin: 0;
  color: var(--muted);
}

.skeleton-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 1rem;
}

.skeleton-grid span {
  height: 16rem;
  border-radius: var(--radius);
  background: linear-gradient(100deg, var(--surface-soft), var(--surface), var(--surface-soft));
  background-size: 220% 100%;
  animation: shimmer 1.2s infinite;
}

@keyframes shimmer {
  from {
    background-position: 220% 0;
  }

  to {
    background-position: -220% 0;
  }
}

.faq-section {
  display: grid;
  gap: 0.75rem;
}

.faq-section details {
  border-top: 1px solid var(--line);
  padding-top: 0.85rem;
}

.faq-section details:first-of-type {
  border-top: 0;
}

.faq-section summary {
  color: var(--heading);
  font-weight: 800;
  cursor: pointer;
}

.faq-section details p {
  margin-top: 0.45rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer strong {
  color: var(--heading);
}

.site-footer p {
  margin: 0.15rem 0 0;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

@media (max-width: 940px) {
  .utility-bar {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    padding-bottom: 0.85rem;
  }

  .article-header,
  .docs-layout {
    grid-template-columns: 1fr;
  }

  .section-nav-wrap {
    position: static;
    max-height: none;
  }

  .section-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 0.35rem;
  }

  .section-nav a {
    white-space: normal;
  }
}

@media (max-width: 720px) {
  .site-footer {
    flex-direction: column;
  }

  .article-actions {
    grid-template-columns: 1fr;
  }

  .article-actions .button {
    width: 100%;
  }

  .cheat-card:nth-child(odd) {
    border-right: 0;
  }

  .cheat-card:nth-child(2) {
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 520px) {
  .utility-bar,
  .search-row {
    grid-template-columns: 1fr;
  }

  .theme-toggle {
    justify-self: start;
  }

  h1 {
    font-size: clamp(2rem, 13vw, 3.25rem);
  }
}