/* A runbook as a printed procedure: one sheet of paper, tables, and rules. */
:root {
  color-scheme: light;
  --desk: #e7e5e0;
  --paper: #fffefb;
  --ink: #1c1b19;
  --soft: #5f5c56;
  --faint: #a9a59d;
  --rule: #d9d5cc;
  --accent: #1f4e8c;
  --ok: #1e6b3a;
  --fail: #b3261e;
  --block: #8a5a00;
  --crit: #1c1b19;
  --inject: rgba(179, 38, 30, 0.07);
  --run: rgba(31, 78, 140, 0.09);
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --mono: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --desk: #121212;
    --paper: #1c1c1b;
    --ink: #e9e6df;
    --soft: #a8a398;
    --faint: #6b675f;
    --rule: #34322e;
    --accent: #8ab4f8;
    --ok: #6fcf8e;
    --fail: #f28b82;
    --block: #e6b35a;
    --crit: #e9e6df;
    --inject: rgba(242, 139, 130, 0.09);
    --run: rgba(138, 180, 248, 0.1);
  }
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--desk); color: var(--ink); font: 14px/1.5 var(--sans); }
a { color: var(--accent); }
code, pre { font-family: var(--mono); font-size: 0.92em; }
button, select, input { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.grow { flex: 1; }
.dim { color: var(--soft); }

button, .button, select {
  background: transparent; border: 1px solid var(--rule); border-radius: 2px; padding: 3px 9px; font-size: 13px; cursor: pointer;
}
select { background: var(--paper); }
button:hover, .button:hover { border-color: var(--soft); }
button.primary { background: var(--ink); border-color: var(--ink); color: var(--paper); }
button:disabled { opacity: 0.45; cursor: not-allowed; }

/* ------------------------------------------------------------ top bar */
.bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; padding: 8px 20px; font-size: 13px; }
.bar .name { font: 600 14px var(--mono); color: var(--ink); text-decoration: none; }
.bar label { display: flex; align-items: center; gap: 6px; color: var(--soft); }

/* ------------------------------------------------------------ the sheet */
.paper { max-width: 1040px; margin: 4px auto 40px; padding: 40px 48px 28px; background: var(--paper); border: 1px solid var(--rule); }
@media (max-width: 720px) { .paper { padding: 22px 16px; margin: 0 0 24px; border-width: 1px 0; } }

.doc-head { border-bottom: 2px solid var(--ink); padding-bottom: 16px; }
.kind { font-size: 11.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--soft); }
h1 { margin: 4px 0 6px; font: 600 28px/1.2 var(--serif); }
.lede { margin: 0; max-width: 760px; color: var(--soft); }
.fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 0; margin: 16px 0 0; border: 1px solid var(--rule); }
.fields div { padding: 6px 10px; border-right: 1px solid var(--rule); }
.fields div:last-child { border-right: 0; }
.fields dt { font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--soft); }
.fields dd { margin: 1px 0 0; font: 15px var(--mono); }
.fields .Succeeded { color: var(--ok); }
.fields .Failed { color: var(--fail); }

.drill { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 12px 0; border-bottom: 1px solid var(--rule); }
.drill label { display: flex; align-items: center; gap: 6px; color: var(--soft); font-size: 13px; }
.error { display: none; color: var(--fail); margin: 8px 0 0; }
.error.show { display: block; }

section { margin-top: 26px; }
h2 { display: flex; align-items: baseline; gap: 10px; margin: 0 0 6px; font: 600 18px var(--serif); }
h2 .num { font: 13px var(--mono); color: var(--soft); }
.note { margin: 0 0 10px; color: var(--soft); font-size: 13px; }
.crit-mark { color: var(--crit); }

/* ------------------------------------------------------------ procedure table */
.procedure { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.procedure th { text-align: left; font-size: 11px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--soft); padding: 6px 8px; border-bottom: 1px solid var(--ink); white-space: nowrap; }
.procedure td { padding: 8px; border-bottom: 1px solid var(--rule); vertical-align: top; }
.procedure tbody tr { cursor: pointer; }
.procedure tbody tr:hover td { background: var(--run); }
.procedure .no { font: 13px var(--mono); color: var(--soft); width: 44px; position: relative; }
.procedure tr.critical .no::before { content: ""; position: absolute; left: 0; top: 8px; bottom: 8px; width: 3px; background: var(--crit); }
.procedure .no { padding-left: 12px; }
.procedure .step b { font-weight: 600; }
.procedure .step code { display: block; color: var(--faint); font-size: 11.5px; }
.procedure .target { font: 12px var(--mono); color: var(--soft); overflow-wrap: anywhere; }
.procedure .how { font-size: 12.5px; white-space: nowrap; }
.procedure .how span { display: block; color: var(--soft); font-size: 11.5px; }
.procedure .after, .procedure .plan { font: 12.5px var(--mono); white-space: nowrap; }
.procedure .result { font-size: 12.5px; min-width: 130px; }
.procedure .result b { font-weight: 600; }
.procedure .result small { display: block; font-family: var(--mono); color: var(--soft); }
.procedure tr.inject td { background: var(--inject); }
.procedure tr.inject .result { color: var(--fail); }
.procedure tr.running td { background: var(--run); }
.procedure .Succeeded b { color: var(--ok); }
.procedure .Failed b { color: var(--fail); }
.procedure .Blocked b { color: var(--block); }
@media (prefers-reduced-motion: no-preference) {
  .procedure tr.running .result b { animation: blink 0.9s steps(2, start) infinite; }
  @keyframes blink { to { visibility: hidden; } }
}
@media (max-width: 720px) {
  .procedure .target, .procedure th.target, .procedure .how, .procedure th.how { display: none; }
  .procedure td, .procedure th { padding-left: 5px; padding-right: 5px; }
  .procedure .result { min-width: 0; }
  .procedure .no { width: 34px; }
}

/* ------------------------------------------------------------ schedule */
.schedule { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 3px 8px; font-size: 12px; }
.schedule .no { font-family: var(--mono); color: var(--soft); padding-left: 12px; }
.schedule .track { position: relative; height: 16px; border-bottom: 1px dotted var(--rule); }
.schedule .plan { position: absolute; top: 2px; height: 8px; border: 1px solid var(--faint); }
.schedule .plan.critical { border: 2px solid var(--crit); top: 1px; }
.schedule .actual { position: absolute; top: 11px; height: 4px; background: var(--faint); }
.schedule .actual.Succeeded { background: var(--ok); }
.schedule .actual.Failed { background: var(--fail); }
.schedule .axis { grid-column: 2; position: relative; height: 18px; font: 11px var(--mono); color: var(--soft); border-top: 1px solid var(--ink); }
.schedule .axis span { position: absolute; top: 2px; transform: translateX(-50%); }
.schedule .axis span:first-child { transform: none; }
.schedule .axis span.end { left: auto; right: 0; transform: none; white-space: nowrap; }

/* ------------------------------------------------------------ log */
.log { margin: 0; padding: 12px 14px; min-height: 60px; background: transparent; border: 1px solid var(--rule); font-size: 12px; line-height: 1.6; white-space: pre-wrap; overflow-wrap: anywhere; }
.log .t { color: var(--soft); }
.log .Succeeded { color: var(--ok); }
.log .Failed { color: var(--fail); }
.log .Blocked { color: var(--block); }

.doc-foot { margin-top: 30px; padding-top: 10px; border-top: 1px solid var(--rule); color: var(--soft); font-size: 12px; }

/* ------------------------------------------------------------ print */
@media print {
  :root { --paper: #fff; --ink: #000; --soft: #444; --rule: #bbb; --crit: #000; }
  body { background: #fff; }
  .no-print { display: none !important; }
  .paper { border: 0; margin: 0; padding: 0; max-width: none; }
  .procedure tbody tr { break-inside: avoid; }
  section { break-inside: avoid-page; }
}