/* Yaoyorozu AI ToolBox / UI・UX guide — family stylesheet.
   Same design tokens and component vocabulary as the main site (src/styles.css):
   warm paper, ink hairlines, mincho headings, orange mark accent, lime focus halo.
   Mobile is the base; wider layouts are added at 600px and 900px. */

:root {
  --paper: #f2eee3;
  --paper-deep: #e7e1d0;
  --field: #fbf9f3;
  --ink: #17150f;
  --ink-soft: #4f4a3f;
  --rule: rgba(23, 21, 15, 0.2);
  --orange: #ff4f00;
  --orange-strong: #b83900;
  --lime: #cbef3a;

  --mincho: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "BIZ UDPMincho", "Noto Serif JP", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Yu Gothic", "YuGothic", "Meiryo", "Noto Sans JP", system-ui, sans-serif;

  --gutter: 1.25rem;
  --max: 80rem;
  --measure: 40em;
  --header-h: 5.75rem;
  --tabbar-h: 3.5rem;

  --pad-l: max(var(--gutter), env(safe-area-inset-left));
  --pad-r: max(var(--gutter), env(safe-area-inset-right));
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-padding-top: calc(var(--header-h) + env(safe-area-inset-top) + 0.75rem);
  scroll-padding-bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom));
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.7;
  line-break: strict;
  overflow-wrap: break-word;
  padding-bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom));
}

img, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.22em; }
button, input, select, textarea { font: inherit; color: inherit; }
a, button, input, select, textarea, summary {
  scroll-margin-top: calc(var(--header-h) + env(safe-area-inset-top) + 1rem);
  scroll-margin-bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom) + 1rem);
}
button { cursor: pointer; }
h1, h2, h3, h4, p, ol, ul, dl, dd, figure, pre { margin: 0; }
ol, ul { padding: 0; list-style: none; }
h1, h2, h3, h4 { text-wrap: balance; }
p, li, dd { text-wrap: pretty; }
code, kbd { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; }

:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 2px;
  box-shadow: 0 0 0 5px var(--lime);
}
[tabindex="-1"]:focus:not(:focus-visible) { outline: none; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip {
  position: absolute; left: var(--pad-l); top: -4rem; z-index: 50;
  background: var(--ink); color: var(--paper); padding: 0.6rem 1rem; text-decoration: none;
}
.skip:focus { top: calc(env(safe-area-inset-top) + 0.5rem); }

.icon { width: 1.5rem; height: 1.5rem; flex: none; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }

/* Bands share the main site's safe side padding and maximum line. */
.masthead, .intro, .catalog, .example-feature, .comparison, .notes, .colophon {
  padding-left: max(var(--pad-l), calc((100% - var(--max)) / 2));
  padding-right: max(var(--pad-r), calc((100% - var(--max)) / 2));
}

/* Masthead: same chrome as the main site. */

.masthead {
  position: sticky; top: 0; z-index: 40;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0 1rem;
  min-height: calc(var(--header-h) + env(safe-area-inset-top));
  padding-top: env(safe-area-inset-top);
  background: var(--paper);
  border-bottom: 1px solid var(--ink);
}
.wordmark {
  display: inline-flex; align-items: center; min-height: 2.75rem;
  font-family: "Segoe UI", Arial, system-ui, sans-serif; font-weight: 700; font-size: clamp(1rem, 4vw, 1.25rem); line-height: 1.2;
  letter-spacing: -0.035em; text-decoration: none; white-space: nowrap;
}
.guide-mark { display: inline-flex; align-items: center; min-height: 2.75rem; font-size: 0.8125rem; font-weight: 700; color: var(--ink-soft); }
.guide-mark::before { content: ""; width: 0.55rem; height: 0.55rem; margin: 0 0.5rem; background: var(--orange); }
.masthead-nav { display: none; }

/* Specialist sites: one compact row at the very top, on every page and width. */
.masthead-sites {
  flex: 1 0 100%;
  display: flex; flex-wrap: nowrap; gap: 0.125rem 1.5rem;
  overflow-x: auto; overscroll-behavior-x: contain; scrollbar-width: thin;
  font-size: 0.8125rem; font-weight: 600; line-height: 1.3;
}
.masthead-sites a {
  display: inline-flex; align-items: center; min-height: 2.75rem; min-width: 2.75rem;
  text-decoration: none; white-space: nowrap;
}
.masthead-sites a[aria-current="page"] { font-weight: 700; box-shadow: inset 0 -3px 0 var(--orange); }

/* Bottom bar (phones and small tablets), same as the main site. */

.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr);
  padding: 0 env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  background: var(--paper);
  border-top: 1px solid var(--ink);
}
.tab {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.125rem;
  min-width: 0; min-height: var(--tabbar-h); padding: 0.25rem 0.25rem 0.375rem;
  font-size: 0.8125rem; line-height: 1.2; font-weight: 600; text-decoration: none; text-align: center;
}
.tab span { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tab .icon { stroke-width: 2; }
.tab[aria-current="page"] { font-weight: 700; box-shadow: inset 0 3px 0 var(--orange); }
html.is-editing .tabbar { display: none; }

/* Intro: label, mincho title, lead, quick search and counts.
   Phones keep the main site's mobile density so the first cards arrive early. */

.intro { padding-top: 1rem; padding-bottom: 1.25rem; display: grid; gap: 1rem; }
.intro-label { margin-bottom: 0.375rem; font-size: 0.8125rem; font-weight: 700; color: var(--ink-soft); }
.intro-title {
  font-family: var(--mincho); font-weight: 700;
  font-size: clamp(1.875rem, 1.35rem + 2.4vw, 3.5rem); line-height: 1.3; letter-spacing: 0.01em;
}
@media (max-width: 599px) {
  /* The longer guide title wraps to two lines at phone widths instead of three. */
  .intro-title { font-size: clamp(1.625rem, 1.2rem + 2.2vw, 2rem); }
}
.intro-lead { margin-top: 0.625rem; max-width: 30em; color: var(--ink-soft); }

.search-label { display: block; margin-bottom: 0.375rem; padding: 0; font-size: 0.875rem; font-weight: 700; }
.search-row { display: flex; }
.search-box input {
  -webkit-appearance: none; appearance: none;
  flex: 1; width: 100%; min-width: 0; min-height: 3rem; padding: 0.5rem 0.875rem;
  font-size: 1.0625rem; line-height: 1.4;
  border: 1.5px solid var(--ink); border-radius: 0; background: var(--field);
}
.search-box input::placeholder { color: #77705f; opacity: 1; }
.search-submit {
  flex: none; min-width: 4.75rem; min-height: 3rem; padding: 0 1rem;
  border: 1.5px solid var(--ink); border-left: 0; border-radius: 0;
  background: var(--ink); color: var(--paper); font-size: 1rem; font-weight: 700;
}

.tally { display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; margin-top: 0.75rem; font-size: 0.875rem; color: var(--ink-soft); }
.tally div { display: flex; align-items: baseline; gap: 0.375rem; }
.tally dd { color: var(--ink); }
.num { font-family: var(--mincho); font-weight: 700; font-size: 1.25rem; line-height: 1; font-variant-numeric: tabular-nums; }

/* Sections separated by the main site's 1px ink rule. */

.catalog, .example-feature, .comparison, .notes {
  padding-top: 1.25rem; padding-bottom: 2rem;
  border-top: 1px solid var(--ink);
}
.catalog:focus { outline: none; }

.section-head { margin-bottom: 1rem; }
.section-title {
  font-family: var(--mincho); font-weight: 700;
  font-size: clamp(1.5rem, 1.25rem + 1.2vw, 2.25rem); line-height: 1.3; letter-spacing: 0.01em;
}

/* Existing section markup keeps its class names. */
.eyebrow { margin-bottom: 0.5rem; font-size: 0.8125rem; font-weight: 700; color: var(--ink-soft); }
.section-heading { margin-bottom: 1rem; }
.section-heading h2 {
  font-family: var(--mincho); font-weight: 700;
  font-size: clamp(1.5rem, 1.25rem + 1.2vw, 2.25rem); line-height: 1.3; letter-spacing: 0.01em;
}
.section-heading > p { margin-top: 0.375rem; max-width: 36em; font-size: 0.9375rem; color: var(--ink-soft); }
.catalog-heading { display: grid; gap: 0.75rem; }
.supporting { padding-bottom: 2.25rem; }
.supporting .section-heading { margin: 1.25rem 0 1rem; }
.supporting .resource { background: transparent; }

.primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
  margin-top: 1rem; min-height: 2.75rem; padding: 0.5rem 1.125rem;
  border: 1px solid var(--ink); border-radius: 0; background: var(--ink); color: var(--paper);
  font-size: 0.9375rem; font-weight: 700; text-decoration: none;
}

/* Toolbar: keyword and origin share one row; the live count and reset share one line. */

.filters { display: grid; gap: 0.75rem; padding-top: 0.75rem; border-top: 1px solid var(--rule); }
.filters input[type="search"] {
  -webkit-appearance: none; appearance: none;
  display: block; width: 100%; min-width: 0; min-height: 3rem; padding: 0.5rem 0.875rem;
  border: 1.5px solid var(--ink); border-radius: 0; background: var(--field);
  font-size: 1rem; line-height: 1.4;
}
.filters input[type="search"]::placeholder { color: #77705f; opacity: 1; }
.select-wrap { position: relative; }
.select-wrap::after {
  content: ""; position: absolute; right: 1rem; top: 50%; pointer-events: none;
  width: 0.5rem; height: 0.5rem; margin-top: -0.375rem;
  border-right: 2px solid var(--ink); border-bottom: 2px solid var(--ink); transform: rotate(45deg);
}
.filters select {
  -webkit-appearance: none; appearance: none;
  display: block; width: 100%; min-height: 3rem; padding: 0.5rem 2.5rem 0.5rem 0.875rem;
  border: 1.5px solid var(--ink); border-radius: 0; background: var(--field);
  font-size: 1rem; line-height: 1.4; text-overflow: ellipsis;
}
.filter { border: 0; margin: 0; padding: 0; min-width: 0; }
.search-field, .source-field { min-width: 0; }
.filters .search-field label, .filters .source-field label {
  display: block; margin-bottom: 0.375rem; font-size: 0.8125rem; font-weight: 700; color: var(--ink-soft);
}
.filters > .search-row {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(8.75rem, 9.5rem); gap: 0.75rem; align-items: end;
}

/* Category fieldset keeps its original class names; chips use the main gallery's pill shape. */
.category-filter { border: 0; margin: 0; padding: 0; min-width: 0; }
.category-filter legend { padding: 0; margin-bottom: 0.5rem; font-size: 0.875rem; font-weight: 700; }
/* Phones: one horizontally scrolling row of pills, like src/gallery.css .gallery-filter.
   Wider screens wrap them. The negative margins bleed the row to the screen edges. */
.category-filter > div {
  display: flex; flex-wrap: nowrap; gap: 0.375rem;
  margin: -0.375rem calc(-1 * var(--pad-r)) 0 calc(-1 * var(--pad-l));
  padding: 0.375rem var(--pad-r) 0.5rem var(--pad-l);
  overflow-x: auto; overscroll-behavior-x: contain; scrollbar-width: thin;
}
.category-filter button {
  flex: none; display: inline-flex; align-items: center; gap: 0.45rem;
  min-height: 2.75rem; padding: 0.375rem 0.9375rem;
  border: 1px solid var(--rule); border-radius: 999px; background: var(--field); color: var(--ink);
  font-size: 0.9375rem; line-height: 1.3; text-align: left; white-space: nowrap;
}
.category-filter button[aria-pressed="true"] { border-color: var(--ink); background: var(--ink); color: var(--paper); font-weight: 700; }
.chip-count { font-size: 0.8125rem; font-variant-numeric: tabular-nums; color: var(--ink-soft); }
.category-filter button[aria-pressed="true"] .chip-count { color: var(--paper-deep); }

.filter-status {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.25rem 1rem;
  padding-bottom: 0.5rem; border-bottom: 1px solid var(--ink);
}
#result-count { font-size: 0.875rem; color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.filters .reset {
  display: inline-flex; align-items: center; min-height: 2.75rem; padding: 0.25rem 0;
  border: 0; background: none; font-size: 0.9375rem; font-weight: 700;
  text-decoration: underline; text-underline-offset: 0.22em;
}

.result-status {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.125rem 0.875rem;
  margin-top: 1.25rem; padding-bottom: 0.625rem; border-bottom: 1px solid var(--ink);
  font-size: 0.875rem; color: var(--ink-soft);
}
.result-status strong { margin-right: 0.125rem; font-family: var(--mincho); font-size: 1.5rem; line-height: 1; font-variant-numeric: tabular-nums; }

/* Resource entries: the main gallery's rounded cards (1 / 2 / 3 columns). */

.resources { margin-top: 0.25rem; }
.catalog .resources {
  display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.25rem; margin-top: 1.25rem;
}
.resource { scroll-margin-top: calc(var(--header-h) + env(safe-area-inset-top) + 1rem); }
.catalog .resource {
  display: flex; flex-direction: column; min-width: 0;
  padding: 1.25rem; border: 0; border-radius: 1.5rem; background: var(--field);
  box-shadow: 0 0 0 1px rgba(23, 21, 15, 0.07), 0 1px 2px rgba(23, 21, 15, 0.04), 0 14px 32px -22px rgba(23, 21, 15, 0.3);
}
.resource-top { display: flex; flex-wrap: wrap; align-items: center; gap: 0.125rem 0.75rem; font-size: 0.8125rem; line-height: 1.6; color: var(--ink-soft); }
.resource-top .number { font-family: var(--mincho); font-weight: 700; font-size: 1.25rem; line-height: 1; color: var(--orange-strong); font-variant-numeric: tabular-nums; }
.resource-top .origin { padding: 0 0.4rem; border: 1px solid var(--rule); color: var(--ink); font-weight: 700; }
.resource h3 { margin-top: 0.25rem; font-family: var(--mincho); font-weight: 700; font-size: 1.375rem; line-height: 1.4; overflow-wrap: anywhere; }
.resource .headline { margin-top: 0.25rem; font-size: 1.0625rem; font-weight: 700; line-height: 1.5; }
.resource > p { margin-top: 0.375rem; max-width: var(--measure); }
.resource .best { margin-top: 0.5rem; max-width: var(--measure); font-size: 0.9375rem; color: var(--ink-soft); }
.resource .best strong {
  display: inline-block; margin-right: 0.5rem; padding: 0 0.375rem; border: 1px solid var(--rule);
  font-size: 0.8125rem; color: var(--ink);
}
/* Kind and applied-status chips stay inline-size (the card is a column flexbox,
   so unguarded children would stretch to the full card width). The lime accent
   survives as a small marker on the status chip, not a full-width band. */
.resource .kind {
  align-self: flex-start; display: inline-flex; align-items: center;
  min-height: 2rem; margin-top: 0.25rem; padding: 0 0.5rem;
  border: 1px solid var(--rule); color: var(--ink); font-size: 0.8125rem; font-weight: 700;
}
.resource .applied {
  align-self: flex-start; display: inline-flex; align-items: center; gap: 0.4rem;
  margin-top: 0.375rem; min-height: 2rem; padding: 0 0.5rem;
  border: 1px solid var(--ink); color: var(--ink); font-size: 0.8125rem; font-weight: 700;
  text-decoration: none;
}
.resource .applied::before {
  content: ""; flex: none; width: 0.45rem; height: 0.45rem;
  background: var(--lime); box-shadow: 0 0 0 1px rgba(23, 21, 15, 0.45);
}
.resource .applied:hover { text-decoration: underline; text-underline-offset: 0.22em; }
.tags { display: flex; flex-wrap: wrap; gap: 0.375rem; margin-top: 0.625rem; }
.tags span { font-size: 0.8125rem; line-height: 1.5; padding: 0.0625rem 0.45rem; border: 1px solid var(--rule); }

/* Disclosure: usage, install, license and sources. */

.resource details { margin-top: 0.75rem; border-top: 1px solid var(--rule); }
.resource summary {
  display: inline-flex; align-items: center; min-height: 2.75rem;
  font-size: 0.9375rem; font-weight: 700; cursor: pointer;
  text-decoration: underline; text-underline-offset: 0.22em;
}
.details-body { padding: 0.25rem 0 0.5rem; }
.details-body h4 { margin-top: 1rem; font-size: 0.9375rem; font-weight: 700; }
.details-body h4:first-child { margin-top: 0; }
.details-body p { margin-top: 0.375rem; max-width: var(--measure); font-size: 0.9375rem; }
.details-body .small { font-size: 0.8125rem; color: var(--ink-soft); }
.details-body pre {
  margin-top: 0.5rem; max-width: 100%; overflow: auto; padding: 0.75rem 0.875rem;
  border: 1px solid var(--rule); background: var(--paper); font-size: 0.875rem; line-height: 1.6;
  white-space: pre-wrap; overflow-wrap: anywhere;
}
.details-body .brief { padding: 0.75rem 0.875rem; border: 1px solid var(--ink); background: var(--paper); }
.copy {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
  margin-top: 0.625rem; min-height: 2.75rem; padding: 0.5rem 1.125rem;
  border: 1px solid var(--ink); border-radius: 999px; background: transparent; color: var(--ink);
  font-size: 0.9375rem; font-weight: 700;
}
.source-links { display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; margin-top: 0.75rem; font-size: 0.875rem; }
.source-links a { display: inline-flex; align-items: center; min-height: 2.75rem; font-weight: 700; }
.revision { color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.revision code { font-size: 0.75rem; }
.repo-link {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  margin-top: auto; padding-top: 0.75rem; border-top: 1px solid var(--rule);
  font-size: 0.9375rem; font-weight: 700; text-decoration: none; overflow-wrap: anywhere;
}
.repo-link span { flex: none; line-height: 1; }

/* Supporting library keeps the main catalog's ruled rows. */
.supporting .resources { margin-top: 0.25rem; }
.supporting .resource { padding: 1rem 0 1.125rem; border-bottom: 1px solid var(--rule); }

.empty { padding: 2rem 0; border-bottom: 1px solid var(--ink); max-width: var(--measure); }
.empty p + p { margin-top: 0.5rem; }
.empty .btn { margin-top: 1rem; }
.empty-title { font-family: var(--mincho); font-weight: 700; font-size: 1.375rem; line-height: 1.45; }
.notice { margin-top: 1rem; padding: 0.75rem 0.875rem; border: 1px solid var(--ink); background: var(--lime); font-size: 0.9375rem; }

/* Buttons shared by empty states and the example band. */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
  min-height: 2.75rem; padding: 0.5rem 1.125rem;
  border: 1px solid var(--ink); border-radius: 0;
  font-size: 0.9375rem; font-weight: 700; line-height: 1.4;
  text-decoration: none; text-align: center; background: transparent; color: var(--ink);
}
.btn-ink { background: var(--ink); color: var(--paper); }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; }
.actions { display: flex; flex-wrap: wrap; gap: 0.625rem; margin-top: 1rem; }

/* Example band: the studio-desk artifact, kept compact like the main site's demo callout. */

.example-feature { display: grid; gap: 1.25rem; }
.example-feature h2 {
  font-family: var(--mincho); font-weight: 700;
  font-size: clamp(1.5rem, 1.25rem + 1.2vw, 2.25rem); line-height: 1.3; letter-spacing: 0.01em;
}
.example-feature p:not(.eyebrow):not(.example-number) { margin-top: 0.625rem; max-width: var(--measure); color: var(--ink-soft); }
.example-note { font-size: 0.8125rem !important; }
.example-process { padding: 1rem 1.125rem 1.125rem; border: 1px solid var(--ink); border-top: 4px solid var(--orange); background: var(--field); }
.example-number { font-size: 0.8125rem; font-weight: 700; color: var(--ink-soft); }
.example-process h3 { margin-top: 0.375rem; font-family: var(--mincho); font-weight: 700; font-size: 1.375rem; line-height: 1.45; }
.example-process ol { margin-top: 0.75rem; border-top: 1px solid var(--rule); }
.example-process li { padding: 0.625rem 0; border-bottom: 1px solid var(--rule); font-size: 0.9375rem; }
.example-process li span { display: block; font-size: 0.8125rem; color: var(--ink-soft); }
.example-process a { display: inline-flex; align-items: center; min-height: 2.75rem; margin-top: 0.75rem; font-size: 0.9375rem; font-weight: 700; }

/* Comparison table. */

.table-wrap { overflow-x: auto; border-top: 1px solid var(--ink); }
table { width: 100%; min-width: 40rem; border-collapse: collapse; font-size: 0.9375rem; text-align: left; }
caption { padding-top: 0.75rem; text-align: left; font-size: 0.8125rem; color: var(--ink-soft); }
th, td { padding: 0.75rem 0.875rem 0.75rem 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
th[scope="col"] { font-size: 0.8125rem; color: var(--ink-soft); }
th[scope="row"] { min-width: 12rem; font-weight: 700; }

/* About and scope notes. */

.notes { display: grid; gap: 1.5rem; }
.notes h2 {
  font-family: var(--mincho); font-weight: 700;
  font-size: clamp(1.5rem, 1.25rem + 1.2vw, 2.25rem); line-height: 1.3; letter-spacing: 0.01em;
}
.notes p { margin-top: 0.75rem; max-width: var(--measure); }
.boundary { padding: 1rem 1.125rem; border: 1px solid var(--ink); background: var(--field); }
.boundary h3 { font-family: var(--mincho); font-weight: 700; font-size: 1.1875rem; }
.boundary p { margin-top: 0.5rem; font-size: 0.9375rem; color: var(--ink-soft); }

/* Copy toast. */

.copy-status {
  position: fixed; bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom) + 1rem); left: 50%; transform: translateX(-50%);
  z-index: 50; max-width: calc(100% - 2rem); padding: 0.625rem 1rem;
  background: var(--ink); color: var(--paper); font-size: 0.875rem; text-align: center;
}
.copy-status:empty { display: none; }

/* Colophon: same as the main site footer. */

.colophon {
  display: grid; gap: 1.5rem;
  padding-top: 2rem; padding-bottom: 2rem;
  border-top: 1px solid var(--ink);
  font-size: 0.9375rem;
}
.colophon-main p + p { margin-top: 0.625rem; max-width: 34em; }
.wordmark-small { font-size:  1.25rem; }
.colophon-links { display: flex; flex-direction: column; border-top: 1px solid var(--ink); }
.colophon-links a { display: flex; align-items: center; min-height: 2.75rem; border-bottom: 1px solid var(--rule); text-decoration: none; }

/* Wider phones and small tablets */

@media (min-width: 600px) {
  :root { --gutter: 2rem; }
  .catalog .resources { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Desktop: masthead navigation replaces the bottom bar. */

@media (min-width: 900px) {
  :root { --gutter: clamp(2rem, 4vw, 3.5rem); }
  body { font-size: 1.0625rem; padding-bottom: 0; }
  html { scroll-padding-bottom: 0; }
  .tabbar { display: none; }
  .copy-status { bottom: 1.5rem; }
  .masthead-nav { display: flex; gap: 0.25rem 1.5rem; font-size: 0.9375rem; }
  .masthead-nav a { display: inline-flex; align-items: center; min-height: 2.75rem; text-decoration: none; }

  .intro {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); align-items: end; gap: 1.5rem 4rem;
    padding-top: 2.25rem; padding-bottom: 1.75rem;
  }
  .catalog, .example-feature, .comparison, .notes { padding-top: 2rem; padding-bottom: 2.5rem; }

  .category-filter > div { flex-wrap: wrap; margin: 0; padding: 0; overflow: visible; }
  .filters > .search-row { grid-template-columns: minmax(0, 1fr) minmax(11rem, 14rem); }

  .example-feature { grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 2rem 4rem; align-items: center; }
  .catalog-heading { grid-template-columns: minmax(0, 1fr) minmax(0, 22rem); align-items: end; gap: 2rem; }
  .notes { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 3rem; }
  .colophon { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 3rem; }
}

/* Wide desktop: the card grid matches the main gallery's three columns. */

@media (min-width: 1100px) {
  .catalog .resources { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
}

/* Short landscape screens: the masthead scrolls away and the bottom bar gets lower. */

@media (max-height: 500px) and (orientation: landscape) {
  :root { --tabbar-h: 2.75rem; }
  .masthead { position: static; }
  html { scroll-padding-top: 1rem; }
  .tab { flex-direction: row; gap: 0.375rem; padding-bottom: 0.25rem; }
  .tab .icon { width: 1.25rem; height: 1.25rem; }
}

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

/* Hover is an enhancement for precise pointers only. */
@media (hover: hover) and (pointer: fine) {
  a:hover { text-decoration-thickness: 2px; }
  .btn-ink:hover, .search-submit:hover, .primary:hover { background: #2e2a21; }
  .btn:hover, .copy:hover { background: var(--paper-deep); }
  .category-filter button:not([aria-pressed="true"]):hover { background: var(--paper-deep); border-color: var(--ink); }
  .masthead-nav a:hover, .masthead-sites a:hover, .colophon-links a:hover, .source-links a:hover { text-decoration: underline; }
  .resource h3 a:hover { text-decoration-thickness: 2px; }
  .catalog .resource:hover { box-shadow: 0 0 0 1px rgba(23, 21, 15, 0.12), 0 2px 4px rgba(23, 21, 15, 0.05), 0 22px 40px -22px rgba(23, 21, 15, 0.38); }
}

@media (prefers-reduced-motion: no-preference) {
  .btn, .category-filter button, .copy, .search-submit, .tab {
    transition-property: transform, background-color, color, border-color;
    transition-duration: 150ms;
    transition-timing-function: ease-out;
  }
  .btn:active:not([disabled]), .category-filter button:active, .copy:active, .search-submit:active { transform: scale(0.96); }
  .catalog .resource { transition: box-shadow 200ms ease-out; }
}