/*
 * Pattern reader typography.
 *
 * Keep the learning content calm and article-like: large readable body text,
 * generous leading and a dependable local serif stack. UI labels stay sans so
 * formulas, language markers and navigation remain easy to scan.
 */
.pattern-reader-body {
  --reader-page: #fbfaf7;
  --reader-surface: #fffefb;
  --reader-ink: #211f1b;
  --reader-muted: #67625b;
  --reader-line: #e7e2d8;
  background-color: var(--reader-page);
  color: var(--reader-ink);
}

.pattern-reader-body .site-header {
  border-color: var(--reader-line);
  background: color-mix(in srgb, var(--reader-page) 96%, transparent);
}

body.pattern-reader-body .pattern-page {
  --reader-serif: Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, "Times New Roman", serif;
  --reader-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  width: calc(100vw - 2rem);
  max-width: none;
  padding-inline: clamp(1.25rem, 3vw, 3rem);
  border-color: var(--reader-line);
  background: var(--reader-surface);
  box-shadow: none;
  font-family: var(--reader-serif);
  font-size: 1.375rem;
  line-height: 1.58;
  text-rendering: optimizeLegibility;
}

.pattern-reader-body .pattern-page p,
.pattern-reader-body .pattern-page li {
  font-family: var(--reader-serif);
  font-size: 1.375rem;
  line-height: 1.58;
  letter-spacing: 0;
}

.pattern-reader-body .pattern-page-head h1,
.pattern-reader-body .pattern-variations h2,
.pattern-reader-body .pattern-page .eyebrow,
.pattern-reader-body .pattern-page .breadcrumbs,
.pattern-reader-body .pattern-page small,
.pattern-reader-body .pattern-page button,
.pattern-reader-body .pattern-page .language-code,
.pattern-reader-body .pattern-reader-controls {
  font-family: var(--reader-sans);
}

.pattern-reader-body .pattern-page-head {
  max-width: none;
}

.pattern-reader-body .pattern-page-head h1 {
  max-width: 24ch;
  font-size: clamp(2.55rem, 5vw, 3.9rem);
  font-weight: 650;
  line-height: 1.08;
  letter-spacing: -.035em;
}

.pattern-reader-body .pattern-page-head .eyebrow,
.pattern-reader-body .pattern-page .breadcrumbs,
.pattern-reader-body .pattern-reference-card > header .eyebrow,
.pattern-reader-body .pattern-variations h2,
.pattern-reader-body .pattern-variations h2 small {
  font-size: .8rem;
  line-height: 1.45;
}

.pattern-reader-body .pattern-comparison,
.pattern-reader-body .pattern-reference-card,
.pattern-reader-body .pattern-comparison-sentences,
.pattern-reader-body .pattern-comparison-language {
  width: 100%;
  max-width: none;
}

.pattern-reader-body .pattern-comparison-language p,
.pattern-reader-body .pattern-comparison-list .pattern-comparison-language p {
  width: 100%;
  max-width: none;
  margin-right: 0;
  font-family: var(--reader-serif);
  font-size: 1.375rem;
  line-height: 1.58;
  letter-spacing: 0;
}

.pattern-reader-body .pattern-comparison-translation p {
  width: 100%;
  max-width: none;
  font-family: var(--reader-serif);
  font-size: 1.2rem;
  line-height: 1.6;
}

.pattern-reader-body .pattern-formulas code {
  font-size: 1.075rem;
  line-height: 1.55;
}

.pattern-reader-body .pattern-formulas,
.pattern-reader-body .pattern-primary-example,
.pattern-reader-body .pattern-comparison-card,
.pattern-reader-body .pattern-comparison-translation {
  border-color: var(--reader-line);
}

.pattern-reader-body .pattern-primary-example,
.pattern-reader-body .pattern-primary-example:hover {
  background: #fffdfa;
}

.pattern-reader-body .pattern-comparison-card,
.pattern-reader-body .pattern-comparison-card:hover {
  border-color: var(--reader-line);
  box-shadow: none;
  transform: none;
  transition: none;
}

.pattern-reader-body .pattern-comparison-card:not(.pattern-primary-example),
.pattern-reader-body .pattern-comparison-card:not(.pattern-primary-example):hover {
  background: transparent;
}

.pattern-reader-body .pattern-page a,
.pattern-reader-body .pattern-page button {
  transition: none;
}

.pattern-reader-body .pattern-page button:hover,
.pattern-reader-body .pattern-page .button-label:hover {
  transform: none;
}

.pattern-reader-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .8rem 1.5rem;
  margin: calc(-1 * clamp(1rem, 2vw, 1.5rem)) 0 clamp(2rem, 4vw, 3rem);
  padding: 0 0 1.25rem;
  border-bottom: 1px solid var(--reader-line);
}

.pattern-reader-control-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .65rem;
}

.pattern-reader-control-group > span {
  color: var(--reader-muted);
  font-size: .78rem;
  font-weight: 650;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.pattern-reader-controls [role="group"] {
  display: inline-flex;
  gap: .4rem;
}

.pattern-reader-controls button {
  border: 1px solid var(--reader-line);
  border-radius: 999px;
  padding: .48rem .75rem;
  background: transparent;
  color: var(--reader-ink);
  font-size: .8rem;
  font-weight: 650;
  line-height: 1.2;
  box-shadow: none;
  transform: none;
}

.pattern-reader-controls button:hover {
  border-color: var(--reader-line);
  background: transparent;
  color: var(--reader-ink);
}

.pattern-reader-controls button[aria-pressed="true"],
.pattern-reader-controls button[aria-pressed="true"]:hover {
  border-color: var(--reader-ink);
  background: var(--reader-ink);
  color: var(--reader-surface);
}

.pattern-reader-body[data-pattern-language-mode="en"] [data-target-language="de"],
.pattern-reader-body[data-pattern-language-mode="en"] .pattern-formulas > div:nth-child(2) {
  display: none !important;
}

.pattern-reader-body[data-pattern-language-mode="en"] .pattern-formulas > div:first-child {
  grid-column: 1 / -1;
}

@media (max-width: 700px) {
  body.pattern-reader-body .pattern-page {
    width: calc(100vw - 1rem);
    max-width: none;
    padding-inline: 1rem;
  }

  .pattern-reader-body .pattern-page,
  .pattern-reader-body .pattern-page p,
  .pattern-reader-body .pattern-page li,
  .pattern-reader-body .pattern-comparison-language p {
    font-size: 1.2rem;
    line-height: 1.58;
  }

  .pattern-reader-body .pattern-comparison-translation p {
    font-size: 1.1rem;
  }

  .pattern-reader-body .pattern-page-head h1 {
    font-size: clamp(2.2rem, 10vw, 3.05rem);
  }

  .pattern-reader-controls {
    align-items: flex-start;
    flex-direction: column;
  }

  .pattern-reader-control-group {
    align-items: flex-start;
  }
}