/* Document-specific layouts use the site's shared design tokens. */
.spec-editions { display: grid; grid-template-columns: 1.25fr 1fr; border: 1px solid var(--spec-line); border-radius: 8px; overflow: hidden; }
.spec-edition { padding: 2.5rem; background: #fff; }
.spec-edition-current { background: #edf4f8; border-right: 1px solid var(--spec-line); }
.spec-edition h2 { font-size: 2.2rem; margin: 0; color: var(--spec-ink); }
.spec-format { font-size: 1.1rem; color: var(--spec-blue); margin: .4rem 0 1.5rem; }
.spec-edition p { max-width: 34rem; }
.spec-edition .spec-edition-note { color: var(--spec-muted); font-size: .8rem; margin-top: 1.5rem; }
.spec-badge { display: inline-block; background: #d9e9f2; color: #234e6e; padding: .2rem .55rem; border-radius: 4px; font-size: .7rem; font-weight: 700; letter-spacing: .04em; vertical-align: middle; }
.spec-shell { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 3rem; align-items: start; }
.spec-sidebar { position: sticky; top: 1rem; max-height: calc(100vh - 2rem); overflow-y: auto; font-size: .85rem; border-top: 3px solid var(--spec-blue); padding: 1rem .5rem 0 0; }
.spec-sidebar .spec-back { display: block; margin-bottom: 1.8rem; }
.spec-version { font-size: 1.8rem; color: var(--spec-ink); margin: 0; }
.spec-sidebar nav { border-top: 1px solid var(--spec-line); border-bottom: 1px solid var(--spec-line); padding: .8rem 0; margin: 1rem 0; }
.spec-sidebar nav a { display: block; padding: .35rem 0; text-decoration: none; }
.spec-sidebar nav a:hover, .spec-sidebar nav a:focus { text-decoration: underline; }
.spec-sidebar > a { display: block; margin-bottom: .7rem; }
.spec-document { min-width: 0; overflow-wrap: anywhere; font-size: .95rem; line-height: 1.75; }
.spec-document h1 { color: var(--spec-ink); text-align: left; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.2; margin: 0 0 1.4rem; letter-spacing: -.035em; }
.spec-document h2 { color: var(--spec-ink); border-top: 1px solid var(--spec-line); padding-top: 1.5rem; font-size: 1.7rem; margin-top: 3rem; scroll-margin-top: 1rem; }
.spec-document h3 { font-size: 1.15rem; scroll-margin-top: 1rem; }
.spec-document table { display: block; overflow-x: auto; font-size: .8rem; width: 100%; }
.spec-document th { background: #edf4f8; color: var(--spec-ink); }
.spec-document td, .spec-document th { padding: .5rem .65rem; }
.spec-document pre { white-space: pre; overflow-x: auto; background: #142d41; color: #f3f7fa; padding: 1.2rem; border-radius: 5px; font-size: .8rem; line-height: 1.6; }
.spec-document pre code { background: none; color: inherit; padding: 0; }
.spec-document code { font-size: .88em; background: #eef3f6; padding: .1em .25em; border-radius: 3px; }
.spec-document li { margin-bottom: .55rem; }
@media (max-width: 850px) {
  .spec-shell { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
  .spec-sidebar { position: static; max-height: none; overflow-y: visible; padding-right: 0; }
  .spec-sidebar nav { display: flex; flex-wrap: wrap; gap: .1rem 1rem; }
  .spec-editions { grid-template-columns: 1fr; }
  .spec-edition-current { border-right: 0; border-bottom: 1px solid var(--spec-line); }
}
@media (max-width: 550px) {
  .spec-edition { padding: 1.5rem; }
}