/* diarist.dev. Hand-written, no framework, no web fonts. Colours come from branding/README.md. */

:root {
  /* Brand palette */
  --ink: #1b1f27;
  --paper: #f6f3ec;
  --slate: #64748b;
  --speaker-1: #4e79a7;
  --speaker-2: #f28e2b;
  --speaker-3: #e15759;
  --recording: #dc2626;

  /* Page, light scheme */
  --bg: #f6f3ec;
  --text: #1b1f27;
  --muted: #4b5262;
  --link: #2f5d8a;
  --rule: #dcd6c8;
  --code-bg: #ece7db;
  --focus: #2f5d8a;
  --btn-bg: #1b1f27;
  --btn-bg-hover: #333a47;
  --btn-text: #f6f3ec;
  --btn2-text: #1b1f27;
  --btn2-border: #1b1f27;
  --btn2-bg-hover: #ece7db;
  --shot-bg: #ffffff;

  /* The transcript tile is ink in both schemes, like the mark */
  --tile: #1b1f27;
  --tile-text: #f3f4f6;
  --tile-muted: #9aa3b2;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, Inter, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, monospace;
  --max: 1080px;
  --gutter: 16px;
  --header-h: 0px;

  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --text: #f3f4f6;
    --muted: #a3aab8;
    --link: #8fb3dc;
    --rule: #272c36;
    --code-bg: #1b1f27;
    --focus: #8fb3dc;
    --btn-bg: #f3f4f6;
    --btn-bg-hover: #d5d9e0;
    --btn-text: #1b1f27;
    --btn2-text: #f3f4f6;
    --btn2-border: #f3f4f6;
    --btn2-bg-hover: #1b1f27;
    --shot-bg: #16181d;
  }
}

@media (min-width: 600px) {
  :root { --gutter: 24px; }
}

/* Base */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  overflow-wrap: break-word;
}

h1, h2, h3 {
  line-height: 1.15;
  margin: 0 0 0.6em;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.25rem, 4.2vw + 1rem, 3.6rem); letter-spacing: -0.025em; line-height: 1.06; }
h2 { font-size: clamp(1.6rem, 1.6vw + 1.05rem, 2.2rem); letter-spacing: -0.02em; }
h3 { font-size: 1.125rem; line-height: 1.3; }

p, ul, ol, table { margin: 0 0 1em; }

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}
a:hover { text-decoration-thickness: 2px; }

:focus-visible {
  outline: 2.5px solid var(--focus);
  outline-offset: 3px;
  border-radius: 3px;
}

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

code {
  font-size: 0.9em;
  background: var(--code-bg);
  padding: 0.1em 0.35em;
  border-radius: 4px;
  overflow-wrap: anywhere;
}

img { max-width: 100%; }

.wrap {
  width: 100%;
  max-width: calc(var(--max) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip {
  position: absolute;
  left: -9999px;
  top: 8px;
}
.skip:focus {
  left: var(--gutter);
  z-index: 20;
  background: var(--bg);
  color: var(--text);
  padding: 8px 12px;
}

/* Header: two rows on phones, one sticky row from 880 px */

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

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "brand download"
    "nav nav";
  align-items: center;
  column-gap: 24px;
  row-gap: 6px;
  padding-block: 12px 10px;
}

.brand { grid-area: brand; display: inline-flex; line-height: 0; }
.brand img { height: 28px; width: auto; display: block; }

.header-download { grid-area: download; justify-self: end; }

.site-nav { grid-area: nav; }
.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-nav a {
  display: inline-block;
  padding: 6px 0;
  color: var(--text);
  text-decoration: none;
  font-size: 0.9375rem;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

@media (min-width: 880px) {
  :root { --header-h: 64px; }
  .site-header {
    position: sticky;
    top: 0;
    z-index: 10;
  }
  .header-inner {
    grid-template-columns: auto 1fr auto;
    grid-template-areas: "brand nav download";
    padding-block: 12px;
  }
  .site-nav ul { justify-content: flex-end; gap: 4px 22px; }
}

[id] { scroll-margin-top: calc(var(--header-h) + 16px); }

/* Buttons */

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 1.1em;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  min-height: 46px;
  padding: 0.6em 1.15em;
  border: 1.5px solid transparent;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
}
.btn-primary { background: var(--btn-bg); color: var(--btn-text); }
.btn-primary:hover { background: var(--btn-bg-hover); }
.btn-secondary { color: var(--btn2-text); border-color: var(--btn2-border); }
.btn-secondary:hover { background: var(--btn2-bg-hover); }
.btn-compact { min-height: 38px; padding: 0.4em 0.9em; font-size: 0.9375rem; }

.tag {
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.25em 0.45em;
  border: 1px solid currentColor;
  border-radius: 5px;
}

/* Hero */

.hero {
  display: grid;
  gap: 40px;
  padding-top: clamp(40px, 6vw, 80px);
  padding-bottom: 8px;
}

.hero h1 { max-width: 14em; }

.lede {
  font-size: clamp(1.125rem, 0.6vw + 1rem, 1.3rem);
  line-height: 1.5;
  max-width: 34em;
  margin-bottom: 1.4em;
}

.meta, .small {
  color: var(--muted);
  font-size: 0.9375rem;
  max-width: 40em;
}
.meta { margin-bottom: 0.6em; }
.small { font-size: 0.875rem; margin-bottom: 0.4em; }

@media (min-width: 960px) {
  .hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
    gap: 56px;
  }
}

/* The transcript card: an ink tile with its top right corner turned down, like the mark */

.card {
  --fold: 48px;
  position: relative;
  margin: 0;
  width: 100%;
  max-width: 560px;
  justify-self: start;
  background: var(--tile);
  color: var(--tile-text);
  border-radius: 22px 0 22px 22px;
  clip-path: polygon(0 0, calc(100% - var(--fold)) 0, 100% var(--fold), 100% 100%, 0 100%);
  padding: 28px 28px 44px;
  container-type: inline-size;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: var(--fold);
  height: var(--fold);
  background: var(--slate);
  border-bottom-left-radius: 12px;
  clip-path: polygon(0 0, 0 100%, 100% 100%);
}

.transcript {
  list-style: none;
  margin: 0;
  padding: 0 calc(var(--fold) - 16px) 0 0;
  display: grid;
  gap: 16px;
}

.transcript li {
  display: grid;
  grid-template-columns: 3.3em minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 2px;
  line-height: 1.45;
}

.transcript .ts {
  grid-row: 1 / span 2;
  color: var(--tile-muted);
  font-size: 0.875rem;
  padding-top: 0.15em;
}

.transcript .who {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
}

.transcript .said { font-size: 1rem; }

.pill {
  flex: none;
  width: 22px;
  height: 8px;
  border-radius: 3px;
}
.pill.s1 { background: var(--speaker-1); }
.pill.s2 { background: var(--speaker-2); }
.pill.s3 { background: var(--speaker-3); }
.pill.me { background: var(--slate); }

@container (min-width: 470px) {
  .transcript li { grid-template-columns: 3.3em 7.6em minmax(0, 1fr); }
  .transcript .ts { grid-row: auto; }
  .transcript .who { padding-top: 0.1em; align-self: start; }
}

.rec {
  position: absolute;
  right: 22px;
  bottom: 20px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--recording);
  animation: rec-pulse 2.4s ease-in-out infinite;
}

@keyframes rec-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

@media (prefers-reduced-motion: reduce) {
  .rec { animation: none; }
}

@media (max-width: 420px) {
  .card { --fold: 40px; padding: 22px 20px 40px; }
}

/* Screenshot */

.shot { margin-top: clamp(48px, 7vw, 88px); }
.shot img {
  display: block;
  width: 100%;
  height: auto;
  background: var(--shot-bg);
  border: 1px solid var(--rule);
  border-radius: 12px;
}

/* Sections */

.section { padding-top: clamp(64px, 9vw, 120px); }
main > .section:last-child { padding-bottom: clamp(56px, 8vw, 104px); }

.lead {
  font-size: clamp(1.2rem, 0.9vw + 1rem, 1.45rem);
  line-height: 1.45;
  font-weight: 500;
  max-width: 30em;
}
.lead-wide { max-width: 36em; margin-bottom: 1.6em; }

.prose { max-width: 42em; }
.col > p { max-width: 40em; }

.cols-2 {
  display: grid;
  gap: 8px 56px;
}

@media (min-width: 880px) {
  .cols-2 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .cols-wide-left { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }
  .cols-wide-right { grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr); }
}

.cols-2 .col h3 { margin-top: 0.2em; }

.facts {
  list-style: none;
  max-width: 40em;
  padding: 0;
  margin: 1.1em 0 1.4em;
  border-top: 1px solid var(--rule);
}
.facts li {
  padding: 0.55em 0 0.55em 18px;
  border-bottom: 1px solid var(--rule);
  position: relative;
  font-size: 0.9688rem;
}
.facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15em;
  width: 8px;
  height: 3px;
  border-radius: 2px;
  background: var(--slate);
}

.across {
  margin-top: 1em;
  font-weight: 500;
  max-width: 48em;
}

.plain {
  list-style: none;
  padding: 0;
}
.plain li { padding: 0.15em 0; }
.plain li + li { border-top: 1px solid var(--rule); padding-top: 0.45em; margin-top: 0.3em; }

.grid-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(11em, 1fr));
  column-gap: 24px;
}
.grid-list li,
.grid-list li + li {
  border-top: 1px solid var(--rule);
  padding: 0.45em 0;
  margin: 0;
}

/* Harness blocks */

.blocks {
  display: grid;
  gap: 32px 40px;
  margin-top: 8px;
}
@media (min-width: 640px) {
  .blocks { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 960px) {
  .blocks { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.block {
  border-top: 2px solid var(--text);
  padding-top: 14px;
}
.block h3 { margin-bottom: 0.4em; }
.block p { margin: 0; }
.aside {
  border-top-color: var(--rule);
  border-top-width: 1px;
  color: var(--muted);
  font-size: 0.9375rem;
  align-self: start;
}

/* Tables */

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  line-height: 1.45;
}
caption {
  caption-side: bottom;
  text-align: left;
  color: var(--muted);
  font-size: 0.875rem;
  padding-top: 0.7em;
}
th, td {
  text-align: left;
  vertical-align: top;
  padding: 0.6em 0.9em 0.6em 0;
  border-bottom: 1px solid var(--rule);
}
th:last-child, td:last-child { padding-right: 0; }
thead th {
  font-weight: 600;
  border-bottom: 1.5px solid var(--text);
}
tbody th { font-weight: 400; }
.tiers tbody th { white-space: nowrap; }

.tables { margin-bottom: 1.6em; }
.tables .col { margin-bottom: 1.4em; }

.req { max-width: 48em; }
.models { max-width: 40em; }

/* Footer */

.site-footer {
  border-top: 1px solid var(--rule);
  padding-block: 36px 44px;
  color: var(--muted);
  font-size: 0.9375rem;
}
.footer-inner { display: grid; gap: 12px; }
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: var(--text);
}
.footer-brand img { width: 24px; height: 24px; display: block; }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links a { color: var(--text); }
.fine { font-size: 0.8125rem; margin: 0; }

/* Docs */

.docs-layout {
  display: grid;
  gap: 24px;
  padding-top: 28px;
  padding-bottom: 72px;
}

.docs-nav { font-size: 0.9375rem; }
.docs-nav-title { font-weight: 700; margin: 0 0 0.4em; }
.docs-nav-title a { color: var(--text); text-decoration: none; }
.docs-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 2px 16px;
}
.docs-nav li a {
  display: inline-block;
  padding: 4px 0;
  color: var(--text);
  text-decoration: none;
}
.docs-nav a:hover { text-decoration: underline; }
.docs-nav a[aria-current="page"] {
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

@media (max-width: 879px) {
  .docs-nav { border-bottom: 1px solid var(--rule); padding-bottom: 14px; }
}

@media (min-width: 880px) {
  .docs-layout {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 56px;
    padding-top: 44px;
  }
  .docs-nav {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }
  .docs-nav ul { display: block; }
  .docs-nav li a {
    display: block;
    padding: 5px 0 5px 12px;
    border-left: 2px solid var(--rule);
  }
  .docs-nav a[aria-current="page"] {
    text-decoration: none;
    border-left-color: var(--text);
  }
}

.doc { min-width: 0; max-width: 780px; }
.doc h1 { font-size: clamp(1.9rem, 2.2vw + 1.2rem, 2.6rem); margin-bottom: 0.5em; }
.doc h2 { font-size: 1.5rem; margin-top: 1.9em; }
.doc h3 { font-size: 1.15rem; margin-top: 1.6em; }
.doc h4 { font-size: 1rem; margin: 1.4em 0 0.5em; }
.doc li { margin-bottom: 0.3em; }
.doc li > p { margin-bottom: 0.4em; }
.doc ul, .doc ol { padding-left: 1.4em; }
.doc blockquote {
  margin: 0 0 1em;
  padding-left: 1em;
  border-left: 3px solid var(--rule);
  color: var(--muted);
}
.doc hr { border: 0; border-top: 1px solid var(--rule); margin: 2em 0; }

.doc pre {
  background: var(--code-bg);
  padding: 14px 16px;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.5;
  margin: 0 0 1.2em;
}
.doc pre code {
  background: none;
  padding: 0;
  font-size: inherit;
  overflow-wrap: normal;
  white-space: pre;
}

/* Tables in the docs. The five-column known-issues tables must fit the content column at
   desktop widths, so cells and the inline code in them may break anywhere: a code span
   that cannot wrap (a pair of flags, a model path) otherwise sets a minimum width on its
   column and pushes the last column past the edge. The scrolling wrapper from build.ts
   stays as the fallback for narrow viewports, where the min-width floors add up to more
   than the column. */
.table-wrap {
  overflow-x: auto;
  margin: 0 0 1.3em;
}
.table-wrap table { margin: 0; }
.doc th, .doc td { min-width: 6.5em; overflow-wrap: anywhere; }
.doc td code, .doc th code { white-space: normal; overflow-wrap: anywhere; }

.edit {
  margin: 0 0 1.2em;
  font-size: 0.875rem;
  color: var(--muted);
}

.doc ul.doc-index {
  list-style: none;
  padding: 0;
  border-top: 1px solid var(--rule);
}
.doc-index li {
  padding: 0.75em 0;
  margin: 0;
  border-bottom: 1px solid var(--rule);
}
.doc-index a { font-weight: 600; }
.doc-index span { display: block; color: var(--muted); font-size: 0.9375rem; }

/* Built pages without a sidebar (/models/): one column up to 780 px */

.page {
  max-width: calc(780px + 2 * var(--gutter));
  padding-top: 28px;
  padding-bottom: 72px;
}
@media (min-width: 880px) { .page { padding-top: 44px; } }
.page h1 { font-size: clamp(1.9rem, 2.2vw + 1.2rem, 2.6rem); margin-bottom: 0.5em; }
.page h2 { font-size: 1.5rem; margin-top: 2em; }
.page h3 { font-size: 1.15rem; margin-top: 1.6em; }
.page-lede { max-width: 44em; }
.rule { max-width: 46em; margin-bottom: 0.6em; }
.page .table-wrap { margin-bottom: 1.2em; }
.pick th, .pick td { min-width: 6em; }
.pick td:last-child { min-width: 12em; }
.links a + a { margin-left: 1.25em; }

/* Charts: inline SVG from build/charts.ts. Bars are percentages of the width; text is CSS-sized. */

.chart-figure { margin: 1.2em 0 2.2em; }
.chart {
  display: block;
  width: 100%;
  overflow: visible;
  font-family: var(--font);
}
.chart text { fill: var(--text); font-size: 0.8125rem; }
.chart .c-label { font-weight: 600; }
.chart .c-meta,
.chart .c-tick,
.chart .c-axis,
.chart .c-empty { fill: var(--muted); font-size: 0.75rem; }
.chart .c-legend { font-size: 0.75rem; }
.chart .c-note { fill: var(--muted); font-weight: 400; }
.chart .c-value { font-variant-numeric: tabular-nums; }
.chart .c-grid { stroke: var(--rule); stroke-width: 1; }
.chart .c-bar.s0 { fill: var(--speaker-1); }
.chart .c-bar.s1 { fill: var(--speaker-2); }
.chart .c-bar.faded { opacity: 0.6; }
.chart .c-short { display: none; }
@media (max-width: 479px) {
  .chart .c-long { display: none; }
  .chart .c-short { display: inline; }
}
.chart-figure figcaption {
  color: var(--muted);
  font-size: 0.875rem;
  max-width: 46em;
  margin-top: 0.3em;
}
.chart-data { margin-top: 0.7em; font-size: 0.9375rem; }
.chart-data summary {
  cursor: pointer;
  color: var(--link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  width: max-content;
}
.chart-data .table-wrap { margin-top: 0.8em; }
.chart-data th, .chart-data td { min-width: 6em; }
.used {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.2;
  padding: 0.1em 0.4em;
  margin-left: 0.4em;
  border: 1px solid currentColor;
  border-radius: 5px;
  white-space: nowrap;
}