/* Shared stylesheet for the Oper backend feature documentation.
   Every page (hub, service pages, flow pages) includes this by relative path.
   No build step: plain CSS, opens from disk. */

:root {
  --ink: #1f2933;
  --muted: #52606d;
  --line: #d9e2ec;
  --bg: #ffffff;
  --soft: #f5f7fa;
  --live: #1b7f4b;
  --suspect: #b7791f;
  --dead: #b23b3b;
  --unknown: #6b7280;
  --accent: #2b5fd9;
  --admin: #6b46c1;
  --mobile: #0e7490;
  --internal: #475569;
  --background-actor: #92400e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

header {
  border-bottom: 1px solid var(--line);
  padding: 26px 40px 18px;
}
header h1 { margin: 0 0 6px; font-size: 25px; }
header .meta { color: var(--muted); font-size: 13px; }
header .meta a { color: var(--accent); }

.layout { display: grid; grid-template-columns: 250px 1fr; }

nav {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  overflow: auto;
  padding: 22px 18px 40px;
  border-right: 1px solid var(--line);
  background: var(--soft);
  font-size: 13.5px;
}
nav a { display: block; color: var(--ink); text-decoration: none; padding: 4px 0; }
nav a:hover { color: var(--accent); }
nav .sub { padding-left: 12px; color: var(--muted); }
nav .navtitle {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  font-size: 11.5px;
  color: var(--muted);
  margin: 16px 0 4px;
}

main { padding: 26px 48px 90px; max-width: 1140px; }

h2 {
  margin-top: 42px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 21px;
}
h3 { margin-top: 26px; font-size: 16.5px; }
h4 {
  margin: 18px 0 6px;
  font-size: 13.5px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .04em;
}
p, li { max-width: 80ch; }

code {
  font: 12.8px/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--soft);
  padding: 1px 5px;
  border-radius: 4px;
}
pre.code {
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 14px;
  overflow: auto;
  font: 12.8px/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

table { border-collapse: collapse; width: 100%; margin: 12px 0 18px; font-size: 13.3px; }
th, td { border: 1px solid var(--line); padding: 7px 9px; vertical-align: top; text-align: left; }
th { background: var(--soft); font-weight: 600; }
td.num { text-align: right; white-space: nowrap; }
table.api td:nth-child(2) { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.4px; }
table.kv td:first-child { width: 200px; font-weight: 600; background: var(--soft); }

.box {
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  background: var(--soft);
  padding: 14px 18px;
  border-radius: 6px;
  margin: 16px 0;
}
.box.warn { border-left-color: var(--suspect); }
.box.risk { border-left-color: var(--dead); }
.box h3 { margin-top: 0; }

.badge {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 600;
  padding: 1px 7px;
  border-radius: 10px;
  color: #fff;
  vertical-align: middle;
  white-space: nowrap;
}
.live { background: var(--live); }
.suspect { background: var(--suspect); }
.dead { background: var(--dead); }
.unknown { background: var(--unknown); }

.actor {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 1px 7px;
  border-radius: 3px;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: .03em;
}
.actor.admin { background: var(--admin); }
.actor.mobile { background: var(--mobile); }
.actor.internal { background: var(--internal); }
.actor.background { background: var(--background-actor); }

.feature {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 16px;
  margin: 14px 0;
  background: #fff;
}
.feature h3 { margin: 0 0 6px; font-size: 15.5px; }
.feature .why { margin: 6px 0 10px; }
.feature dl { margin: 0; display: grid; grid-template-columns: 118px 1fr; gap: 3px 10px; font-size: 13.2px; }
.feature dt { color: var(--muted); font-weight: 600; }
.feature dd { margin: 0; }
.feature dd code { font-size: 12.4px; }

.mermaid {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  margin: 14px 0 20px;
  overflow: auto;
}

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 14px; margin: 16px 0; }
.card {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 13px 16px;
  background: #fff;
}
.card h3 { margin: 0 0 4px; font-size: 15.5px; }
.card h3 a { color: var(--accent); text-decoration: none; }
.card h3 a:hover { text-decoration: underline; }
.card p { margin: 4px 0 8px; font-size: 13.4px; color: var(--ink); }
.card .counts { font-size: 12.3px; color: var(--muted); }

small, .small { color: var(--muted); font-size: 12.5px; }
.size {
  display: inline-block;
  min-width: 26px;
  text-align: center;
  font-weight: 600;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0 5px;
  background: #fff;
}
.evidence { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.2px; color: var(--muted); }

@media print {
  nav { display: none; }
  .layout { grid-template-columns: 1fr; }
  body { font-size: 11pt; }
}