/* Documentation-site styles. These are not part of the tty.css framework. */

.docs-topbar {
  position: sticky;
  z-index: 20;
  top: 0;
  padding-block: 0.75rem;
  border-bottom: var(--tty-frame-width) solid var(--tty-border-strong);
  background: color-mix(in srgb, var(--tty-bg) 94%, transparent);
  backdrop-filter: blur(0.6rem);
}

.docs-topbar nav > ul:first-child strong {
  white-space: nowrap;
}

.docs-shell {
  display: grid;
  grid-template-columns: 15rem minmax(0, 1fr) 12rem;
  gap: clamp(1.5rem, 4vw, 3rem);
  width: min(100% - 2rem, 90rem);
  max-width: none;
  padding-block: 1.75rem 3.5rem;
}

.docs-sidebar,
.docs-toc {
  align-self: start;
  max-height: calc(100vh - 6rem);
  overflow-y: auto;
  position: sticky;
  top: 5.25rem;
}

/* tty.css treats every nav as a horizontal application bar. Documentation
   navigation is hierarchical, so explicitly restore a vertical flow here. */
.docs-sidebar nav,
.docs-toc nav {
  display: block;
}

.docs-sidebar nav > ul,
.docs-toc nav > ul {
  display: block;
}

.docs-sidebar details {
  margin: 0 0 0.35rem;
  padding: 0;
  border: 0;
  background: transparent;
}

.docs-sidebar details[open] summary {
  margin: 0 0 0.35rem;
  padding: 0;
  border: 0;
}

.docs-sidebar summary,
.docs-nav-title {
  font-size: 0.78rem;
  font-variant-caps: all-small-caps;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.docs-sidebar ul,
.docs-toc ul {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.docs-sidebar li,
.docs-toc li {
  margin: 0;
}

.docs-sidebar a,
.docs-toc a {
  display: block;
  padding: 0.22rem 0;
  color: var(--tty-fg-muted);
  font-size: 0.85rem;
  text-decoration: none;
}

.docs-sidebar a:hover,
.docs-sidebar a[aria-current="page"],
.docs-toc a:hover {
  color: var(--tty-fg);
  text-decoration: underline;
}

.docs-content {
  min-width: 0;
}

.docs-content > header {
  margin-bottom: 2rem;
}

.docs-content > header > p:first-child {
  margin-bottom: 0.5rem;
  color: var(--tty-fg-muted);
  font-size: 0.75rem;
  font-variant-caps: all-small-caps;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.docs-content > header h1 {
  font-size: clamp(1.75rem, 2.25vw, 2rem);
}

.docs-content h2 {
  font-size: clamp(1.3rem, 2vw, 1.5rem);
}

.docs-content h3 {
  font-size: 1.05rem;
}

.docs-content > section {
  margin-block: 2.75rem;
  scroll-margin-top: 6rem;
}

.docs-preview {
  margin-block: 1rem 1.5rem;
  padding: 1.25rem;
  border: var(--tty-border-width) dashed var(--tty-border);
  background: var(--tty-bg);
}

.docs-preview > :last-child {
  margin-bottom: 0;
}

.docs-palette-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  gap: 0.75rem 1.5rem;
}

.docs-palette-presets {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.docs-palette-presets label,
.docs-palette-presets select {
  margin-bottom: 0;
}

.docs-palette-presets select {
  flex: 1 1 12rem;
  width: auto;
  min-width: 0;
}

.docs-palette-controls label {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.25rem 0.75rem;
}

.docs-palette-controls output {
  color: var(--tty-fg-muted);
  font-variant-numeric: tabular-nums;
}

.code-example {
  position: relative;
  margin-block: 1rem 1.5rem;
}

.docs-preview:has(+ .code-example) {
  margin-bottom: 0;
}

.docs-preview + .code-example {
  margin-top: 0;
}

.code-example > button {
  position: absolute;
  z-index: 2;
  top: 0.65rem;
  right: 0.65rem;
  min-height: auto;
  padding: 0.35rem 0.55rem;
  box-shadow: none;
  font-size: 0.72rem;
}

.code-example pre {
  margin-bottom: 0;
  padding-top: 3rem;
}

.docs-pager {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: var(--tty-border-width) solid var(--tty-border);
}

.docs-pager a:last-child {
  margin-left: auto;
  text-align: right;
}

.example-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 21rem), 1fr));
  gap: 2rem;
}

.example-grid article {
  display: flex;
  min-height: 19rem;
  flex-direction: column;
}

.example-grid article footer {
  margin-top: auto;
}

.example-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.example-tags mark {
  font-size: 0.7rem;
  font-weight: 700;
}

@media (max-width: 68rem) {
  .docs-shell {
    grid-template-columns: 13rem minmax(0, 1fr);
  }

  .docs-toc {
    display: none;
  }
}

@media (max-width: 46rem) {
  .docs-topbar {
    position: static;
  }

  .docs-shell {
    display: block;
  }

  .docs-sidebar {
    position: static;
    max-height: none;
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    border-bottom: var(--tty-border-width) solid var(--tty-border);
  }

  .docs-preview {
    padding: 1rem;
  }

  .code-example > button {
    top: 0.5rem;
    right: 0.5rem;
  }

  .docs-pager {
    flex-direction: column;
  }

  .docs-pager a:last-child {
    margin-left: 0;
    text-align: left;
  }
}