@import url("brand-tokens.css");

.readme-page { max-width: none; margin: 0; padding: 0; background: var(--bg); color: var(--text); }
.readme-page .main-nav a.active { color: var(--cream); }
.readme-page .main-nav a.active::after { right: 0; }

.docs-shell { width: min(980px, calc(100% - 40px)); margin-inline: auto; }
.docs-hero { padding: 82px 0 58px; display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 44px; border-bottom: 1px solid rgba(148,163,184,.13); }
.docs-hero h1 { margin: 18px 0 16px; color: #f8fafc; font-size: clamp(42px, 6vw, 72px); line-height: 1; letter-spacing: -.055em; white-space: nowrap; }
.docs-hero h1 em { color: var(--cream); font-style: normal; }
.docs-hero p { max-width: 650px; margin: 0; color: #aebbd0; font-size: 15px; line-height: 1.8; }
.docs-hero .docs-license { margin-top: 14px; padding-left: 13px; border-left: 2px solid rgba(234,179,8,.48); color: var(--muted); font-size: 12px; }
.docs-version-mark { min-width: 156px; padding: 22px; border: 1px solid var(--line); background: rgba(15,23,42,.72); text-align: right; }
.docs-version-mark small, .docs-version-mark strong { display: block; }
.docs-version-mark small { color: var(--muted); font-size: 10px; letter-spacing: .12em; }
.docs-version-mark strong { margin-top: 8px; color: var(--gold); font-size: 30px; }

.release-section { padding-block: 42px; border-bottom: 1px solid rgba(148,163,184,.13); }
.release-card { padding: 28px; border: 1px solid rgba(148,163,184,.14); background: rgba(15,23,42,.7); }
.release-card + .release-card { margin-top: 12px; }
.release-card.current { border-color: rgba(234,179,8,.45); background: linear-gradient(135deg, rgba(234,179,8,.075), rgba(15,23,42,.76) 50%); }
.release-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; }
.release-head h2 { margin: 6px 0 0; color: #f8fafc; font-size: clamp(28px, 4vw, 40px); letter-spacing: -.035em; }
.release-date { flex: 0 0 auto; padding: 7px 10px; border: 1px solid rgba(234,179,8,.24); color: var(--gold); font-size: 10px; letter-spacing: .08em; }
.release-list { margin: 22px 0 0; padding: 0; display: grid; gap: 10px; list-style: none; counter-reset: release-item; }
.release-list li { min-height: 48px; padding: 12px 14px 12px 48px; position: relative; border: 1px solid rgba(148,163,184,.1); color: #cbd5e1; background: rgba(23,32,51,.42); font-size: 13px; line-height: 1.7; counter-increment: release-item; }
.release-list li::before { content: counter(release-item, decimal-leading-zero); position: absolute; left: 14px; top: 13px; color: var(--gold); font-size: 9px; font-weight: 800; }
.release-list a { color: var(--gold); text-decoration: underline; text-underline-offset: 3px; }

.legacy-archive { margin: 42px 0 72px; border: 1px solid rgba(148,163,184,.14); background: rgba(15,23,42,.6); }
.legacy-archive > summary { min-height: 94px; padding: 20px 24px; display: flex; align-items: center; justify-content: space-between; gap: 24px; color: var(--cream); cursor: pointer; list-style: none; }
.legacy-archive > summary::-webkit-details-marker { display: none; }
.legacy-summary-copy { display: grid; }
.legacy-summary-copy small { color: var(--gold); font-size: 10px; font-weight: 800; letter-spacing: .15em; }
.legacy-summary-copy strong { margin-top: 6px; color: #f8fafc; font-size: 22px; }
.legacy-summary-copy em { margin-top: 5px; color: var(--muted); font-size: 11px; font-style: normal; }
.legacy-toggle { width: 38px; height: 38px; flex: 0 0 auto; display: grid; place-items: center; border: 1px solid rgba(234,179,8,.26); color: var(--gold); transition: transform .2s; }
.legacy-archive[open] .legacy-toggle { transform: rotate(180deg); }
.legacy-content { padding: 30px; border-top: 1px solid rgba(148,163,184,.14); }
.legacy-content > h2 { margin: 40px 0 16px; padding-left: 13px; border-left: 3px solid var(--gold); color: #f8fafc; font-size: 25px; }
.legacy-content > h2:first-child { margin-top: 0; }
.legacy-content > p { color: #b8c4d6; font-size: 13px; line-height: 1.85; }
.legacy-content > ol { margin: 0; padding-left: 24px; color: #b8c4d6; font-size: 13px; line-height: 1.75; }
.legacy-content > ol li { margin: 7px 0; padding-left: 5px; }
.version { margin-top: 12px; padding: 22px; border: 1px solid rgba(148,163,184,.13); background: rgba(23,32,51,.45); }
.version h3 { margin: 0 0 14px; color: var(--gold); font-size: 17px; }
.version h4 { margin: 20px 0 8px; color: var(--cream); font-size: 14px; }
.version p, .version li { color: #b8c4d6; font-size: 12px; line-height: 1.75; }
.version ul { margin: 8px 0 0; padding-left: 21px; }
.version li { margin: 6px 0; }
.version a { color: var(--gold); text-decoration: underline; text-underline-offset: 3px; }
.docs-actions { margin-top: 28px; display: flex; justify-content: center; }

.readme-footer { padding: 32px 0; border-top: 1px solid rgba(148,163,184,.12); color: var(--muted); font-size: 12px; }
.readme-footer .docs-shell { display: flex; justify-content: space-between; gap: 28px; }
.readme-footer p { margin: 0; line-height: 1.7; }
.readme-footer p:last-child { text-align: right; }

@media (max-width: 640px) {
    .docs-shell { width: min(100% - 24px, 980px); }
    .docs-hero { padding: 52px 0 40px; grid-template-columns: 1fr; gap: 24px; }
    .docs-hero h1 { font-size: clamp(38px, 12vw, 52px); }
    .docs-version-mark { width: 100%; text-align: left; }
    .release-section { padding-block: 30px; }
    .release-card { padding: 20px 16px; }
    .release-head { align-items: flex-start; flex-direction: column; gap: 12px; }
    .legacy-archive { margin: 30px 0 52px; }
    .legacy-archive > summary { padding: 18px; }
    .legacy-content { padding: 20px 16px; }
    .version { padding: 17px 15px; }
    .readme-footer .docs-shell { flex-direction: column; }
    .readme-footer p:last-child { text-align: left; }
}

/* Approved 2026 content-site visual system. */
.readme-page {
  --bg: var(--gsbp-ink-950);
  --surface: var(--gsbp-ink-900);
  --surface-2: var(--gsbp-ink-850);
  --surface-3: #18243a;
  --gold: var(--gsbp-gold);
  --cream: var(--gsbp-cream);
  --text: var(--gsbp-text-primary);
  --muted: var(--gsbp-text-muted);
  --line: var(--gsbp-line-subtle);
  --shell: 1200px;
  background:
    radial-gradient(circle at 79% 4%, rgba(234, 179, 8, .045), transparent 26rem),
    var(--gsbp-ink-950);
  color: var(--gsbp-text-primary);
  font-family: var(--gsbp-font-sans);
  font-synthesis: none;
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}.readme-page .site-header {
  border-bottom-color: var(--gsbp-line-subtle);
  background: rgba(8, 13, 25, .92);
}

.readme-page .nav-shell {
  min-height: 76px;
}

.readme-page .brand img {
  width: 104px;
  height: 52px;
}

.readme-page .main-nav {
  gap: 28px;
  color: var(--gsbp-text-secondary);
  font-size: 15px;
  font-weight: 500;
}

.readme-page .main-nav a {
  min-height: 76px;
  padding: 0;
  display: inline-flex;
  align-items: center;
}

.readme-page .section-kicker {
  color: var(--gsbp-gold);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
}

.readme-page .docs-shell {
  width: min(1000px, calc(100% - 40px));
}

.readme-page .docs-hero {
  padding-block: 72px 56px;
  border-bottom-color: var(--gsbp-line-subtle);
}

.readme-page .docs-hero h1 {
  margin-block: 18px 20px;
  color: var(--gsbp-text-primary);
  font-family: var(--gsbp-font-display);
  font-size: clamp(48px, 6vw, 70px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: .01em;
}

.readme-page .docs-hero p {
  color: var(--gsbp-text-secondary);
  font-size: 16px;
  line-height: 1.85;
}

.readme-page .docs-hero .docs-license {
  margin-top: 16px;
  color: var(--gsbp-text-muted);
  font-size: 14px;
  line-height: 1.75;
}

.readme-page .docs-version-mark {
  min-width: 170px;
  padding: 22px;
  border-color: var(--gsbp-line-brand);
  background: rgba(13, 22, 39, .72);
}

.readme-page .docs-version-mark small {
  color: var(--gsbp-text-muted);
  font-size: 13px;
  font-weight: 500;
}

.readme-page .docs-version-mark strong {
  color: var(--gsbp-gold);
  font-size: 32px;
  font-weight: 500;
}

.readme-page .release-section {
  padding-block: 48px;
  border-bottom-color: var(--gsbp-line-subtle);
}

.readme-page .release-card {
  padding: 30px;
  border-color: var(--gsbp-line-subtle);
  background: rgba(13, 22, 39, .7);
}

.readme-page .release-card.current {
  border-color: var(--gsbp-line-brand);
  background: linear-gradient(135deg, rgba(234, 179, 8, .055), rgba(13, 22, 39, .78) 48%);
}

.readme-page .release-head h2 {
  color: var(--gsbp-text-primary);
  font-size: clamp(30px, 4vw, 40px);
  font-weight: 500;
}

.readme-page .release-date {
  color: var(--gsbp-gold);
  font-size: 13px;
  font-weight: 500;
}

.readme-page .release-list {
  margin-top: 24px;
  gap: 0;
}

.readme-page .release-list li {
  min-height: 54px;
  padding: 15px 14px 15px 50px;
  border: 0;
  border-top: 1px solid var(--gsbp-line-subtle);
  color: var(--gsbp-text-secondary);
  background: transparent;
  font-size: 15px;
  line-height: 1.75;
}

.readme-page .release-list li::before {
  top: 16px;
  color: var(--gsbp-gold);
  font-size: 13px;
  font-weight: 500;
}

.readme-page .legacy-archive {
  border-color: var(--gsbp-line-subtle);
  background: rgba(13, 22, 39, .62);
}

.readme-page .legacy-archive > summary {
  min-height: 104px;
}

.readme-page .legacy-summary-copy small {
  color: var(--gsbp-gold);
  font-size: 13px;
  font-weight: 700;
}

.readme-page .legacy-summary-copy strong {
  color: var(--gsbp-text-primary);
  font-size: 23px;
  font-weight: 500;
}

.readme-page .legacy-summary-copy em {
  color: var(--gsbp-text-muted);
  font-size: 14px;
  line-height: 1.55;
}

.readme-page .legacy-content {
  border-top-color: var(--gsbp-line-subtle);
}

.readme-page .legacy-content > h2 {
  color: var(--gsbp-text-primary);
  font-size: 27px;
  font-weight: 500;
}

.readme-page .legacy-content > p,
.readme-page .legacy-content > ol {
  color: var(--gsbp-text-secondary);
  font-size: 15px;
  line-height: 1.8;
}

.readme-page .version {
  margin-top: 0;
  padding: 25px 0;
  border: 0;
  border-top: 1px solid var(--gsbp-line-subtle);
  background: transparent;
}

.readme-page .version h3 {
  color: var(--gsbp-gold);
  font-size: 19px;
  font-weight: 500;
}

.readme-page .version h4 {
  color: var(--gsbp-cream);
  font-size: 16px;
  font-weight: 500;
}

.readme-page .version p,
.readme-page .version li {
  color: var(--gsbp-text-secondary);
  font-size: 15px;
  line-height: 1.8;
}

.readme-page .readme-footer {
  border-top-color: var(--gsbp-line-subtle);
  color: var(--gsbp-text-muted);
  font-size: 13px;
}

@media (max-width: 980px) {
  .readme-page .nav-shell {
    min-height: 68px;
  }

  .readme-page .main-nav {
    grid-template-columns: repeat(4, 1fr);
  }

  .readme-page .main-nav a {
    min-height: 0;
    padding: 11px 2px;
    font-size: 15px;
  }
}

@media (max-width: 640px) {.readme-page .docs-hero {
    padding-block: 50px 40px;
  }

  .readme-page .docs-hero h1 {
    font-size: clamp(42px, 12vw, 54px);
  }

  .readme-page .release-card {
    padding: 22px 16px;
  }

  .readme-page .release-list li {
    padding-inline: 42px 4px;
  }

  .readme-page .release-list li::before {
    left: 5px;
  }

  .readme-page .legacy-archive > summary {
    padding: 18px;
  }

  .readme-page .legacy-content {
    padding: 22px 16px;
  }
}