/* ===== Buttons ===== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--text-sm);
  border: 1px solid transparent;
  transition:
    background-color var(--duration-fast) var(--ease-out-expo),
    border-color var(--duration-fast) var(--ease-out-expo),
    transform var(--duration-fast) var(--ease-out-expo),
    box-shadow var(--duration-fast) var(--ease-out-expo);
}

.btn:active {
  transform: translateY(1px);
}

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

.btn--primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.btn--primary:hover {
  background: var(--accent-strong);
}

.btn--primary:focus-visible {
  outline: none;
  box-shadow: var(--glow-accent);
}

.btn--ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--ink);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ===== Site header ===== */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: color-mix(in oklch, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  height: 4rem;
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-variation-settings: 'wdth' 120;
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-right: auto;
}

.site-header__logo img {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: var(--radius-sm);
}

.site-header__nav {
  display: none;
  align-items: center;
  gap: var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
}

.site-header__nav a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--ink-muted);
  padding: var(--space-2) 0;
  border-bottom: 2px solid transparent;
  transition:
    color var(--duration-fast) var(--ease-out-expo),
    border-bottom-color var(--duration-fast) var(--ease-out-expo);
}

.site-header__nav a svg {
  width: 0.9rem;
  height: 0.9rem;
  flex-shrink: 0;
}

.site-header__nav a:hover,
.site-header__nav a[aria-current='page'] {
  color: var(--ink);
}

.site-header__nav a[aria-current='page'] {
  border-bottom-color: var(--accent);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.site-header__menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-md);
}

.site-header__menu-toggle:hover {
  background: var(--surface);
}

.site-header__menu-toggle svg {
  width: 1.25rem;
  height: 1.25rem;
}

@media (min-width: 1024px) {
  .site-header__nav {
    display: flex;
  }
  .site-header__menu-toggle {
    display: none;
  }
}

/* Icon buttons shared by search trigger / theme toggle */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 2.25rem;
  padding-inline: var(--space-3);
  border-radius: var(--radius-md);
  color: var(--ink-muted);
  border: 1px solid transparent;
  font-size: var(--text-sm);
  transition:
    color var(--duration-fast) var(--ease-out-expo),
    background-color var(--duration-fast) var(--ease-out-expo);
}

.icon-btn:hover {
  color: var(--ink);
  background: var(--surface);
}

.icon-btn svg {
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
}

.icon-btn kbd {
  font-size: var(--text-xs);
  color: var(--ink-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.05rem 0.35rem;
}

.search-trigger .shortcut-kbd {
  display: none;
  align-items: center;
  gap: 0.2rem;
}

/* data-platform is set synchronously in <head> (see platformInitScript in
   layout.mjs) before first paint, so only the matching keycap ever renders
   — no flash of the wrong platform's shortcut. Defaults to "other" so the
   hint still shows something sensible if that script never runs. */
:root[data-platform='mac'] .search-trigger .shortcut-kbd--mac {
  display: inline-flex;
}

:root:not([data-platform='mac']) .search-trigger .shortcut-kbd--other {
  display: inline-flex;
}

.search-trigger span.label {
  display: none;
}

@media (min-width: 768px) {
  .search-trigger {
    width: auto;
    justify-content: space-between;
    min-width: 11rem;
    border-color: var(--border);
  }
  .search-trigger span.label {
    display: inline;
  }
}

.theme-toggle {
  position: relative;
  width: 2.25rem;
}

.theme-toggle svg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition:
    opacity var(--duration-base) var(--ease-out-expo),
    transform var(--duration-base) var(--ease-out-expo);
}

/* Cross-fade + rotate between sun/moon on theme change, instead of an
   instant display:none swap — the icon change is the only signal the
   toggle click actually worked. */
:root[data-theme='dark'] .theme-toggle .icon-sun {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(-90deg) scale(0.5);
}

:root[data-theme='light'] .theme-toggle .icon-moon {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg) scale(0.5);
}

/* ===== Language switch ===== */

.lang-switch {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.lang-switch a {
  padding: 0.4rem 0.6rem;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  transition:
    color var(--duration-fast) var(--ease-out-expo),
    background-color var(--duration-fast) var(--ease-out-expo);
}

.lang-switch a[aria-current='true'] {
  background: var(--surface-2);
  color: var(--ink);
}

.lang-switch a:hover:not([aria-current='true']) {
  color: var(--ink);
}

/* ===== Docs layout: sidebar + content + on-this-page ===== */

.docs-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  padding-block: var(--space-8) var(--space-24);
}

.docs-sidebar {
  display: none;
  border-right: none;
}

.docs-sidebar__group {
  margin-bottom: var(--space-6);
}

.docs-sidebar__group-title {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  margin-bottom: var(--space-2);
}

.docs-sidebar__link {
  display: block;
  padding: 0.4rem var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--ink-muted);
  border-left: none;
  transition:
    color var(--duration-fast) var(--ease-out-expo),
    background-color var(--duration-fast) var(--ease-out-expo);
}

.docs-sidebar__link:hover {
  color: var(--ink);
  background: var(--surface);
}

.docs-sidebar__link[aria-current='page'] {
  color: var(--accent);
  background: var(--surface);
  font-weight: 600;
}

.docs-content {
  min-width: 0;
  max-width: var(--measure);
}

.docs-content > * + * {
  margin-top: var(--space-6);
}

.docs-content h2 {
  margin-top: var(--space-16);
  padding-top: var(--space-4);
  scroll-margin-top: 5rem;
}

.docs-content h3 {
  margin-top: var(--space-12);
  scroll-margin-top: 5rem;
}

.docs-content ul,
.docs-content ol {
  list-style: disc;
  padding-left: 1.25em;
}
.docs-content ol {
  list-style: decimal;
}
.docs-content li + li {
  margin-top: var(--space-2);
}

.docs-content :not(pre) > code {
  font-size: 0.9em;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.1em 0.4em;
}

.docs-toc {
  display: none;
}

.docs-toc__title {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  margin-bottom: var(--space-2);
}

.docs-toc a {
  display: block;
  padding-block: 0.3rem;
  font-size: var(--text-xs);
  color: var(--ink-muted);
  border-left: 2px solid transparent;
  padding-left: var(--space-3);
  transition:
    color var(--duration-fast) var(--ease-out-expo),
    border-left-color var(--duration-fast) var(--ease-out-expo);
}

.docs-toc a:hover,
.docs-toc a.active {
  color: var(--ink);
  border-left-color: var(--accent);
}

@media (min-width: 1024px) {
  .docs-layout {
    grid-template-columns: 15rem minmax(0, 1fr);
  }
  .docs-sidebar {
    display: block;
    position: sticky;
    top: 5.5rem;
    align-self: start;
    max-height: calc(100vh - 6rem);
    overflow-y: auto;
  }
}

@media (min-width: 1280px) {
  .docs-layout {
    grid-template-columns: 15rem minmax(0, var(--measure)) 14rem;
  }
  .docs-toc {
    display: block;
    position: sticky;
    top: 5.5rem;
    align-self: start;
  }
}

/* Mobile sidebar drawer */
dialog.docs-drawer {
  border: none;
  padding: 0;
  margin: 0;
  inset: 0 auto 0 0;
  height: 100%;
  width: min(20rem, 85vw);
  max-width: none;
  background: var(--bg);
  border-right: 1px solid var(--border);
  transform: translateX(-100%);
  transition: transform var(--duration-base) var(--ease-out-expo);
}

dialog.docs-drawer[open] {
  transform: translateX(0);
}

dialog.docs-drawer::backdrop {
  background: oklch(0 0 0 / 0.5);
}

.docs-drawer__inner {
  padding: var(--space-6);
  overflow-y: auto;
  height: 100%;
}

.docs-drawer__close {
  margin-bottom: var(--space-4);
}

@media (min-width: 1024px) {
  dialog.docs-drawer {
    display: none;
  }
}

/* ===== Hero ===== */

.hero {
  padding-block: var(--space-16) var(--space-section);
  position: relative;
  overflow: hidden;
}

.hero__inner {
  display: grid;
  gap: var(--space-16);
  align-items: center;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--accent);
  background: color-mix(in oklch, var(--accent) 14%, transparent);
  border-radius: var(--radius-md);
  padding: 0.35rem 0.75rem;
  margin-bottom: var(--space-6);
}

.hero h1 {
  max-width: 16ch;
}

.hero h1 .hero__accent {
  color: var(--accent);
}

.hero__lede {
  margin-top: var(--space-6);
  font-size: var(--text-lg);
  color: var(--ink-muted);
  max-width: 42ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
  margin-top: var(--space-8);
  font-size: var(--text-xs);
  color: var(--ink-muted);
}

.hero__meta li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.hero__meta svg {
  width: 1rem;
  height: 1rem;
  color: var(--accent);
}

.hero__diagram {
  justify-self: center;
  width: 100%;
  max-width: 30rem;
}

@media (min-width: 1024px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 26rem);
  }
}

/* ===== Resolution-graph diagram (shared by hero + architecture) ===== */

.graph-diagram {
  width: 100%;
  height: auto;
}

.graph-diagram text {
  font-family: var(--font-mono);
  fill: var(--ink);
}

.graph-diagram .graph-node-bg {
  fill: var(--surface);
  stroke: var(--border);
}

.graph-diagram .graph-node-bg--accent {
  stroke: var(--accent);
}

.graph-diagram .graph-edge {
  stroke: var(--ink-muted);
  fill: none;
  stroke-width: 1.5;
}

.graph-diagram .graph-edge--accent {
  stroke: var(--accent);
}

.graph-diagram .graph-label-muted {
  fill: var(--ink-muted);
  font-size: 0.7rem;
}

.graph-diagram [data-reveal] {
  opacity: 0;
  transform: translateY(6px);
  animation: graph-reveal var(--duration-slow) var(--ease-out-expo) forwards;
  animation-delay: calc(var(--reveal-index, 0) * 90ms + 200ms);
}

@keyframes graph-reveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.graph-diagram .graph-edge[data-reveal] {
  stroke-dasharray: var(--edge-length, 200);
  stroke-dashoffset: var(--edge-length, 200);
  animation: graph-draw var(--duration-slow) var(--ease-out-expo) forwards;
}

@keyframes graph-draw {
  to {
    stroke-dashoffset: 0;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .graph-diagram [data-reveal] {
    animation: none;
    opacity: 1;
    transform: none;
    stroke-dashoffset: 0;
  }
}

/* ===== Sections & prose (homepage) ===== */

.section {
  padding-block: var(--space-section);
}

.section__head {
  max-width: 42rem;
  margin-bottom: var(--space-12);
}

.section__head h1,
.section__head h2 {
  margin-bottom: var(--space-4);
}

.section__head p {
  color: var(--ink-muted);
  font-size: var(--text-lg);
}

/* ===== Feature list (asymmetric bento, not a uniform card grid) ===== */

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.feature {
  padding: var(--space-8);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.feature__icon {
  color: var(--accent);
  margin-bottom: var(--space-4);
}

.feature__icon svg {
  width: 2.5rem;
  height: 2.5rem;
}

.feature h3 {
  margin-bottom: var(--space-2);
}

.feature p {
  color: var(--ink-muted);
}

.feature--headline {
  background: var(--accent);
  color: var(--accent-ink);
}

.feature--headline .feature__icon {
  color: var(--accent-ink);
}

.feature--headline h3 {
  color: var(--accent-ink);
}

.feature--headline p {
  color: color-mix(in oklch, var(--accent-ink) 78%, transparent);
}

@media (min-width: 640px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(4, 1fr);
    grid-template-areas:
      'headline headline b c'
      'headline headline d e';
  }
  .feature--headline {
    grid-area: headline;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .feature--headline h3 {
    font-size: var(--text-2xl);
  }
}

/* ===== Language banner ===== */

[data-lang-banner] {
  display: none;
  transition:
    opacity var(--duration-base) var(--ease-out-expo),
    transform var(--duration-base) var(--ease-out-expo);
}

/* Dismissal (a user action) is animated; the initial appearance is not — it
   is decided synchronously pre-paint (see langBannerInitScript in
   layout.mjs) specifically so nothing shifts the layout on load. Adding a
   reveal transition here would reintroduce that exact bug in reverse. */
[data-lang-banner].is-dismissing {
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
}

:root[data-lang-banner-show] [data-lang-banner] {
  display: block;
}

/* ===== Callouts ===== */

.callout {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}

.callout__icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.15rem;
}

.callout__title {
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.callout--tip {
  background: color-mix(in oklch, var(--accent) 14%, var(--surface));
  color: var(--ink);
}

.callout--tip .callout__icon {
  color: var(--accent);
}

.callout--warning {
  background: color-mix(in oklch, var(--danger) 16%, var(--surface));
  color: var(--ink);
}

.callout--warning .callout__icon {
  color: var(--danger);
}

/* ===== Code blocks ===== */

.code-block {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
}

.code-block__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-4);
  border-bottom: 1px solid var(--border);
  font-size: var(--text-xs);
}

.code-block__lang {
  color: var(--ink-muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.code-block__copy {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--ink-muted);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition:
    color var(--duration-fast) var(--ease-out-expo),
    background-color var(--duration-fast) var(--ease-out-expo);
}

.code-block__copy:hover {
  color: var(--ink);
  background: var(--surface-2);
}

.code-block__copy svg {
  width: 0.9rem;
  height: 0.9rem;
  transition: transform var(--duration-fast) var(--ease-out-expo);
}

/* Success/error feedback, toggled briefly by scripts/code-block.js after a
   copy attempt — the smallest change that makes the outcome unmistakable. */
.code-block__copy--copied {
  color: var(--accent);
}

.code-block__copy--copied svg {
  transform: scale(1.15);
}

.code-block__copy--error {
  color: var(--danger);
}

.code-block pre {
  margin: 0;
  padding: var(--space-4);
  overflow-x: auto;
  font-size: var(--text-sm);
  line-height: var(--leading-loose);
}

.code-block code {
  counter-reset: line;
}

.code-block .code-line {
  display: block;
}

.code-block .code-line::before {
  counter-increment: line;
  content: counter(line);
  display: inline-block;
  width: 1.75em;
  margin-right: var(--space-4);
  text-align: right;
  color: var(--ink-muted);
  opacity: 0.55;
  user-select: none;
}

.code-block--no-lines .code-line::before {
  content: none;
  width: 0;
  margin: 0;
}

/* Syntax token colors */
.tok-keyword {
  color: var(--accent);
  font-weight: 600;
}
.tok-string {
  color: oklch(0.78 0.14 155);
}
:root[data-theme='light'] .tok-string {
  color: oklch(0.5 0.13 155);
}
.tok-comment {
  color: var(--ink-muted);
  font-style: italic;
}
.tok-number {
  color: oklch(0.78 0.13 75);
}
:root[data-theme='light'] .tok-number {
  color: oklch(0.52 0.14 75);
}
.tok-function {
  color: oklch(0.8 0.1 250);
}
:root[data-theme='light'] .tok-function {
  color: oklch(0.5 0.14 250);
}
.tok-type {
  color: oklch(0.82 0.09 200);
}
:root[data-theme='light'] .tok-type {
  color: oklch(0.5 0.1 200);
}
.tok-punct {
  color: var(--ink-muted);
}

/* ===== API reference tables ===== */

.api-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.api-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.api-table th {
  text-align: left;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.api-table td {
  padding: var(--space-4);
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.api-table tr:last-child td {
  border-bottom: none;
}

.api-table code {
  font-size: 0.9em;
}

/* ===== Example cards ===== */

.example-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}

.example-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-6);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  transition:
    border-color var(--duration-fast) var(--ease-out-expo),
    transform var(--duration-fast) var(--ease-out-expo);
}

.example-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.example-card h3 {
  font-size: var(--text-lg);
}

.example-card p {
  color: var(--ink-muted);
  font-size: var(--text-sm);
  flex-grow: 1;
}

.example-card__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent);
}

.example-card__cta svg {
  width: 0.9rem;
  height: 0.9rem;
  flex-shrink: 0;
}

/* ===== Comparison table ===== */

.compare-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-top: var(--space-6);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  min-width: 32rem;
}

.compare-table th,
.compare-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.compare-table th {
  background: var(--surface);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
}

.compare-table tr:last-child td {
  border-bottom: none;
}

/* ===== FAQ ===== */

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-item + .faq-item {
  margin-top: var(--space-3);
}

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  font-weight: 600;
  text-align: left;
}

.faq-item__question svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  color: var(--ink-muted);
  transition: transform var(--duration-fast) var(--ease-out-expo);
}

/* :not(.faq-item--closing) keeps the chevron in sync with the actual
   collapse animation (scripts/faq.js), not with the [open] attribute alone
   — [open] is only removed at the very end of the closing animation, so
   without this the chevron would stay rotated until the panel had already
   fully shrunk. */
.faq-item[open]:not(.faq-item--closing) .faq-item__question svg {
  transform: rotate(180deg);
}

.faq-item__answer {
  padding: 0 var(--space-6) var(--space-4);
  color: var(--ink-muted);
}

/* .faq-item already has overflow: hidden above (for the rounded corners),
   which is exactly what scripts/faq.js's height animation needs — native
   <details> removes its content from layout on close instantly, which pure
   CSS cannot tween, so the height itself is animated via the Web Animations
   API instead. */

/* ===== Search overlay (native <dialog>) ===== */

dialog.search-dialog {
  border: none;
  padding: 0;
  border-radius: var(--radius-lg);
  width: min(36rem, 92vw);
  max-height: min(28rem, 80vh);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  margin: 4rem auto auto;
  opacity: 1;
  transform: none;
  transition:
    opacity var(--duration-base) var(--ease-out-expo),
    transform var(--duration-base) var(--ease-out-expo),
    overlay var(--duration-base) allow-discrete,
    display var(--duration-base) allow-discrete;
}

/* @starting-style gives supporting browsers an explicit "from" state to
   transition out of when the dialog enters the top layer — a fade + slight
   drop-in. Browsers without @starting-style just see opacity/transform at
   their target values immediately, i.e. today's instant-appear behavior:
   pure progressive enhancement, no fallback branch needed. */
@starting-style {
  dialog.search-dialog[open] {
    opacity: 0;
    transform: translateY(-8px) scale(0.98);
  }
}

dialog.search-dialog::backdrop {
  background: oklch(0 0 0 / 0.5);
  opacity: 1;
  transition:
    opacity var(--duration-base) var(--ease-out-expo),
    overlay var(--duration-base) allow-discrete,
    display var(--duration-base) allow-discrete;
}

@starting-style {
  dialog.search-dialog[open]::backdrop {
    opacity: 0;
  }
}

.search-dialog__inner {
  display: flex;
  flex-direction: column;
  max-height: min(28rem, 80vh);
}

.search-dialog__input-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border-bottom: 1px solid var(--border);
}

.search-dialog__input-row svg {
  width: 1.1rem;
  height: 1.1rem;
  color: var(--ink-muted);
  flex-shrink: 0;
}

.search-dialog__input {
  flex: 1;
  background: none;
  border: none;
  color: var(--ink);
  font-size: var(--text-base);
}

.search-dialog__input::-webkit-search-cancel-button {
  display: none;
}

.search-dialog__close {
  color: var(--ink-muted);
}

.search-dialog__results {
  overflow-y: auto;
  padding: var(--space-2);
}

.search-result {
  display: block;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
}

.search-result[data-active='true'],
.search-result:hover {
  background: var(--surface-2);
}

.search-result__page {
  font-size: var(--text-xs);
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: var(--space-1);
}

.search-result__title {
  font-weight: 600;
}

.search-result__snippet {
  font-size: var(--text-sm);
  color: var(--ink-muted);
}

.search-dialog__empty {
  padding: var(--space-8) var(--space-4);
  text-align: center;
  color: var(--ink-muted);
  font-size: var(--text-sm);
}

.search-dialog__hint {
  padding: var(--space-2) var(--space-4);
  border-top: 1px solid var(--border);
  font-size: var(--text-xs);
  color: var(--ink-muted);
  display: flex;
  gap: var(--space-4);
}

.search-dialog__hint kbd {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.05rem 0.35rem;
  margin-right: var(--space-1);
}

/* ===== Footer ===== */

.site-footer {
  border-top: 1px solid var(--border);
  padding-block: var(--space-12);
  margin-top: var(--space-24);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  align-items: center;
  justify-content: space-between;
}

.site-footer__note {
  color: var(--ink-muted);
  font-size: var(--text-sm);
}

.site-footer__links {
  display: flex;
  gap: var(--space-6);
  font-size: var(--text-sm);
}

.site-footer__links a {
  color: var(--ink-muted);
}

.site-footer__links a:hover {
  color: var(--ink);
}

/* ===== Blog ===== */

.post-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
  margin-top: var(--space-8);
}

.post-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-6);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  transition:
    border-color var(--duration-fast) var(--ease-out-expo),
    transform var(--duration-fast) var(--ease-out-expo);
}

.post-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.post-card h2 {
  font-size: var(--text-lg);
}

.post-card p {
  color: var(--ink-muted);
  font-size: var(--text-sm);
  flex-grow: 1;
}

.post-card__meta,
.post-header__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  color: var(--ink-muted);
  font-size: var(--text-sm);
}

.post-header__meta {
  margin-block: var(--space-4) var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--border);
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: 0;
}

.post-tag {
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: var(--text-sm);
  color: var(--accent);
}

/* A blog post's .post-tags sits inside .post.docs-content, whose list
   typography rules (.docs-content ul, .docs-content li + li) are more
   specific than the plain .post-tags/.post-tag selectors above and would
   otherwise win: disc markers reappear and the second tag gets pushed down
   by a stray margin-top. Re-assert the three clobbered properties at higher
   specificity instead of fighting source order. */
.docs-content .post-tags {
  list-style: none;
  padding-left: 0;
}

.docs-content .post-tags .post-tag {
  margin-top: 0;
}

.post {
  max-width: var(--measure);
  margin-inline: auto;
}
