/* Integration documentation. Reading-first: a measured column, a sticky contents
   rail, and tables that stay legible when someone prints the page for a
   procurement pack - which is what actually happens to integration docs. */

.doc { display: grid; grid-template-columns: 15rem minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3.5rem); align-items: start; }
@media (max-width: 900px) { .doc { grid-template-columns: 1fr; } }

.doc-nav { position: sticky; top: 5rem; }
.doc-nav h4 {
  font-family: var(--mono); font-size: 0.625rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 0.75rem; font-weight: 500;
}
.doc-nav ul { list-style: none; margin: 0 0 1.5rem; padding: 0; }
.doc-nav li { margin-bottom: 0.15rem; }
.doc-nav a {
  display: block; font-size: 0.8125rem; color: var(--ink-soft); text-decoration: none;
  padding: 0.3rem 0.5rem; border-radius: 2px; line-height: 1.35;
}
.doc-nav a:hover { color: var(--brand); background: var(--panel); }
.doc-nav a.on { color: var(--brand); background: var(--panel); font-weight: 600; }
/* On a phone the rail becomes a horizontal strip. Stacking fourteen contents links above the
   article pushes the article itself below the fold, which is the opposite of a contents list's job. */
@media (max-width: 900px) {
  .doc-nav {
    position: sticky;
    top: 0;
    z-index: 8;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    margin: 0 calc(var(--gutter) * -1) 1.25rem;
    padding: 0.55rem var(--gutter);
  }
  .doc-nav h4 { display: none; }
  .doc-nav ul {
    display: flex;
    gap: 0.3rem;
    margin: 0;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .doc-nav ul::-webkit-scrollbar { display: none; }
  .doc-nav ul + h4 + ul { display: none; }  /* secondary groups duplicate the top nav */
  .doc-nav li { margin: 0; flex: none; }
  .doc-nav a {
    white-space: nowrap;
    padding: 0.3rem 0.6rem;
    border: 1px solid var(--rule);
    border-radius: 999px;
    font-size: 0.75rem;
  }
  .doc-nav a.on { border-color: var(--brand); }
  .doc-body > section { scroll-margin-top: 3.5rem; }
}

.doc-body { min-width: 0; }
.doc-body > section { padding: 0 0 3rem; scroll-margin-top: 5rem; }
.doc-body h2 {
  font-size: clamp(1.4rem, 3vw, 1.9rem); margin: 0 0 0.6rem; letter-spacing: -0.02em;
  padding-top: 2.25rem; border-top: 1px solid var(--rule);
}
.doc-body section:first-child h2 { padding-top: 0; border-top: 0; }
.doc-body h3 { font-size: 1.0625rem; margin: 1.75rem 0 0.5rem; }
.doc-body h4 { font-size: 0.875rem; margin: 1.25rem 0 0.4rem; }
.doc-body p { font-size: 0.9375rem; line-height: 1.65; color: var(--ink-soft); max-width: 68ch; }
.doc-body p.lede { font-size: 1.0625rem; color: var(--ink); }
.doc-body ul, .doc-body ol { font-size: 0.9375rem; line-height: 1.65; color: var(--ink-soft); max-width: 68ch; padding-left: 1.1rem; }
.doc-body li { margin-bottom: 0.35rem; }
.doc-body strong { color: var(--ink); font-weight: 600; }
.doc-body a { color: var(--brand); }

code, .mono { font-family: var(--mono); font-size: 0.8125rem; }
p code, li code, td code { background: var(--panel); border: 1px solid var(--rule); border-radius: 2px; padding: 0.08em 0.3em; color: var(--ink); }

pre.blk {
  background: #12151a; color: #d5dbe2; border-radius: 3px; padding: 1rem 1.1rem;
  overflow-x: auto; font-family: var(--mono); font-size: 0.75rem; line-height: 1.65; margin: 0.9rem 0;
}
pre.blk .c { color: #7d8794; font-style: italic; }
pre.blk .k { color: #7fb3ff; }
pre.blk .s { color: #6fd7bd; }
pre.blk .n { color: #f0b45e; }

.tbl-wrap { overflow-x: auto; border: 1px solid var(--rule); background: var(--panel); margin: 1rem 0; }
table.doc-t { width: 100%; border-collapse: collapse; font-size: 0.8125rem; min-width: 34rem; }
table.doc-t th, table.doc-t td { text-align: left; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--rule); vertical-align: top; }
table.doc-t thead th {
  font-family: var(--mono); font-size: 0.625rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); font-weight: 500; white-space: nowrap; border-bottom: 1px solid var(--rule-strong);
}
table.doc-t td { color: var(--ink-soft); line-height: 1.5; }
table.doc-t td strong, table.doc-t tbody th { color: var(--ink); font-weight: 600; }
table.doc-t tbody th { text-align: left; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--rule); font-size: 0.8125rem; }
table.doc-t tr:last-child th, table.doc-t tr:last-child td { border-bottom: 0; }

.note {
  border: 1px solid var(--rule-strong); background: var(--panel); border-radius: 3px;
  padding: 0.9rem 1.1rem; margin: 1.1rem 0; font-size: 0.875rem; line-height: 1.6; color: var(--ink-soft);
  max-width: 68ch;
}
.note b { color: var(--ink); }
.note.warn { border-color: var(--breach); background: var(--breach-wash); }
.note.good { border-color: var(--brand); background: var(--brand-wash); }

.pill-row { display: flex; gap: 0.4rem; flex-wrap: wrap; margin: 0.6rem 0 1rem; }
.pill-row span {
  font-family: var(--mono); font-size: 0.625rem; letter-spacing: 0.05em;
  border: 1px solid var(--rule-strong); border-radius: 2px; padding: 0.22rem 0.5rem; color: var(--ink-soft);
}
.pill-row span.on { border-color: var(--brand); color: var(--brand); }

.step { display: grid; grid-template-columns: 2rem 1fr; gap: 1rem; padding: 0.9rem 0; border-bottom: 1px solid var(--rule); }
.step:last-child { border-bottom: 0; }
.step .n { font-family: var(--mono); font-size: 0.75rem; color: var(--brand); font-weight: 700; padding-top: 0.15rem; }
.step h4 { margin: 0 0 0.25rem; font-size: 0.9375rem; }
.step p { margin: 0; font-size: 0.875rem; }

.arch { border: 1px solid var(--rule); background: var(--panel); border-radius: 3px; padding: 1.25rem; margin: 1.25rem 0; overflow-x: auto; }
.arch svg { display: block; width: 100%; min-width: 40rem; height: auto; }

.evt-group { margin-bottom: 1.25rem; }
.evt-group h4 { font-family: var(--mono); font-size: 0.6875rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brand); margin: 0 0 0.4rem; }
.evt { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 0.75rem; padding: 0.28rem 0; border-bottom: 1px solid var(--rule); align-items: baseline; }
.evt:last-child { border-bottom: 0; }
.evt .e { font-family: var(--mono); font-size: 0.75rem; color: var(--ink); }
.evt .r { font-family: var(--mono); font-size: 0.5625rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
.evt .r b { color: var(--brand); font-weight: 500; }

.sys-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); margin: 1rem 0; }
.sys { background: var(--panel); padding: 0.9rem 1rem; }
.sys h4 { margin: 0 0 0.2rem; font-size: 0.875rem; }
.sys .v { font-family: var(--mono); font-size: 0.625rem; color: var(--muted); margin-bottom: 0.4rem; }
.sys p { font-size: 0.8125rem; margin: 0; line-height: 1.5; }

/* Long code blocks are the one thing that will not shrink to a phone. Let them scroll
   inside their own box rather than widening the page. */
@media (max-width: 640px) {
  pre.blk { font-size: 0.6875rem; padding: 0.8rem 0.85rem; }
  .doc-body p, .doc-body ul, .doc-body ol { font-size: 0.9rem; }
  .step { grid-template-columns: 1.5rem 1fr; gap: 0.7rem; }
  .sys-grid { grid-template-columns: 1fr; }
}