/* RRP publication layout
   Dedicated to /rrp and /rrp-ja so the frozen protocol text can remain unchanged
   while the interface shell follows the current machine-first visual system. */

body.protocol-publication-page {
  --rrp-document-width: 820px;
  --rrp-shell-width: 1040px;
  background: var(--bg);
}

body.protocol-publication-page .site-header {
  position: static;
}

body.protocol-publication-page .protocol-publication {
  background: var(--bg);
}

body.protocol-publication-page .protocol-document-shell {
  width: min(calc(100% - 48px), var(--rrp-shell-width));
  margin-inline: auto;
}

/* Resource identity */
body.protocol-publication-page .rrp-resource-header {
  padding: clamp(2.75rem, 5vw, 4.5rem) 0 clamp(2.4rem, 4vw, 3.6rem);
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

body.protocol-publication-page .rrp-resource-topline {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 0.85rem;
  color: var(--text-soft);
  border-bottom: 1px solid var(--line);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

body.protocol-publication-page .rrp-resource-topline code {
  color: var(--text-soft);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
}

body.protocol-publication-page .rrp-resource-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

body.protocol-publication-page .rrp-shell-title {
  max-width: 720px;
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4.2vw, 3rem);
  line-height: 1.12;
}

body.protocol-publication-page .rrp-shell-lead {
  max-width: 700px;
  margin: 0;
  color: #46525e;
  font-size: 1.02rem;
  line-height: 1.72;
}

body.protocol-publication-page .rrp-resource-facts {
  margin: 0;
  padding: 0 1rem;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

body.protocol-publication-page .rrp-resource-facts > div {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 0.8rem;
  align-items: baseline;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
}

body.protocol-publication-page .rrp-resource-facts > div:last-child {
  border-bottom: 0;
}

body.protocol-publication-page .rrp-resource-facts dt {
  color: var(--text-soft);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.75rem;
  overflow-wrap: anywhere;
}

body.protocol-publication-page .rrp-resource-facts dd {
  min-width: 0;
  margin: 0;
  color: var(--text);
  font-size: 0.86rem;
  overflow-wrap: anywhere;
}

body.protocol-publication-page .rrp-resource-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
  margin-top: 2rem;
}

body.protocol-publication-page .rrp-resource-links a {
  min-width: 0;
  padding: 0.85rem 0.9rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
}

body.protocol-publication-page .rrp-resource-links a:hover {
  border-color: var(--line-strong);
  background: var(--surface-soft);
}

body.protocol-publication-page .rrp-resource-links span,
body.protocol-publication-page .rrp-resource-links code {
  display: block;
}

body.protocol-publication-page .rrp-resource-links span {
  margin-bottom: 0.22rem;
  font-size: 0.84rem;
  font-weight: 680;
}

body.protocol-publication-page .rrp-resource-links code {
  color: var(--text-soft);
  font-size: 0.72rem;
  overflow-wrap: anywhere;
}

body.protocol-publication-page .rrp-interface-boundary {
  margin: 1.2rem 0 0;
  padding: 0.85rem 1rem;
  color: #4c5863;
  background: var(--surface-soft);
  border-left: 3px solid var(--line-strong);
  font-size: 0.84rem;
  line-height: 1.6;
}

body.protocol-publication-page .rrp-interface-boundary strong {
  color: var(--text);
}

/* Reading surface */
body.protocol-publication-page .rrp-reading-section {
  padding: clamp(2.5rem, 5vw, 4.5rem) 0 clamp(4rem, 7vw, 6.5rem);
  background: var(--bg);
}

body.protocol-publication-page .rrp-document-frame {
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

body.protocol-publication-page .rrp-document-frame-head,
body.protocol-publication-page .rrp-document-frame-foot {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 1rem;
  color: var(--text-soft);
  background: var(--surface-soft);
  font-size: 0.74rem;
}

body.protocol-publication-page .rrp-document-frame-head {
  border-bottom: 1px solid var(--line);
}

body.protocol-publication-page .rrp-document-frame-foot {
  border-top: 1px solid var(--line);
}

body.protocol-publication-page .rrp-document-frame-head span,
body.protocol-publication-page .rrp-document-frame-foot span {
  font-weight: 700;
  letter-spacing: 0.04em;
}

body.protocol-publication-page .rrp-document-frame-head code,
body.protocol-publication-page .rrp-document-frame-foot a {
  font-size: 0.74rem;
}

body.protocol-publication-page .rrp-publication-content {
  width: min(calc(100% - 48px), var(--rrp-document-width));
  margin-inline: auto;
  padding: clamp(2.75rem, 6vw, 5rem) 0;
  color: #202b35;
  font-size: 1rem;
  line-height: 1.78;
}

body.protocol-publication-page .rrp-publication-content h1 {
  margin-bottom: 1.25rem;
  font-size: clamp(2.15rem, 5vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

body.protocol-publication-page .rrp-publication-content .meta {
  margin: 0 0 2rem;
  padding: 0.9rem 1rem;
  color: var(--text-soft);
  background: var(--surface-soft);
  border-left: 3px solid var(--line-strong);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.82rem;
  line-height: 1.65;
}

body.protocol-publication-page .rrp-publication-content .definition {
  margin: 0 0 2.35rem;
  padding: 1rem 1.1rem;
  background: #f7f9fa;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
}

body.protocol-publication-page .rrp-publication-content h2 {
  margin-top: 2.55rem;
  margin-bottom: 0.75rem;
  font-size: clamp(1.28rem, 2.5vw, 1.55rem);
  line-height: 1.28;
  letter-spacing: -0.015em;
}

body.protocol-publication-page .rrp-publication-content p {
  margin: 0 0 1rem;
}

body.protocol-publication-page .rrp-publication-content ul {
  margin: 0.55rem 0 1.25rem;
  padding-left: 1.35rem;
}

body.protocol-publication-page .rrp-publication-content li {
  margin: 0.28rem 0;
}

body.protocol-publication-page .rrp-publication-content hr {
  margin: 2.7rem 0;
  border: 0;
  border-top: 1px solid var(--line);
}

body.protocol-publication-page .rrp-publication-content a,
body.protocol-publication-page .rrp-document-frame-foot a {
  overflow-wrap: anywhere;
}

body.protocol-publication-page.rrp-reference-page .rrp-publication-content[lang="ja"] {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", "Segoe UI", sans-serif;
  line-height: 1.92;
}

body.protocol-publication-page.rrp-reference-page .rrp-publication-content[lang="ja"] h1,
body.protocol-publication-page.rrp-reference-page .rrp-publication-content[lang="ja"] h2 {
  letter-spacing: -0.01em;
}

/* Keep the shared site footer compact even though these two documents retain
   a dedicated publication body. */
body.protocol-publication-page .site-footer {
  margin-top: 0;
}

@media (max-width: 900px) {
  body.protocol-publication-page .rrp-resource-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  body.protocol-publication-page .rrp-resource-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  body.protocol-publication-page .protocol-document-shell {
    width: min(calc(100% - 32px), var(--rrp-shell-width));
  }

  body.protocol-publication-page .rrp-resource-header {
    padding: 2.25rem 0 2rem;
  }

  body.protocol-publication-page .rrp-resource-topline,
  body.protocol-publication-page .rrp-document-frame-head,
  body.protocol-publication-page .rrp-document-frame-foot {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.3rem;
  }

  body.protocol-publication-page .rrp-resource-facts > div {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  body.protocol-publication-page .rrp-resource-links {
    grid-template-columns: 1fr;
  }

  body.protocol-publication-page .rrp-reading-section {
    padding: 1.5rem 0 3.5rem;
  }

  body.protocol-publication-page .rrp-publication-content {
    width: min(calc(100% - 32px), var(--rrp-document-width));
    padding: 2.25rem 0 3rem;
  }

  body.protocol-publication-page .rrp-publication-content h1 {
    font-size: clamp(2rem, 11vw, 2.7rem);
  }
}