/* FailEcho.
   A filed bulletin from a monitoring network: chart paper, ink, a trace-red
   pen reserved for failure. Red means failure, never brand.
   System fonts only, no build step, no raster images. */

:root {
  /* Chart paper and ink. Red is the trace pen: failure signal only. */
  --paper:        #eff1ec;
  --paper-2:      #f7f8f5;
  --paper-sunk:   #e7eae3;
  --ink:          #17211d;
  --ink-2:        #4a574f;
  --ink-3:        #6f7c74;
  --rule:         #cbd3cb;
  --rule-strong:  #a4b0a7;
  --signal:       #c0341d;
  --caution:      #8a5f08;
  --steady:       #1e6b45;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua",
    Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;

  --gutter: 22px;
  --measure: 66ch;
  --rail: 208px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:       #131816;
    --paper-2:     #191f1c;
    --paper-sunk:  #0e1312;
    --ink:         #e4e9e3;
    --ink-2:       #a9b4ac;
    --ink-3:       #808d86;
    --rule:        #2a322d;
    --rule-strong: #414c45;
    --signal:      #e4614a;
    --caution:     #d6a344;
    --steady:      #57be86;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.62;
}

a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px;
    text-decoration-thickness: 1px; text-decoration-color: var(--rule-strong); }
a:hover { text-decoration-color: var(--signal); }

:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }

.shell { max-width: 1040px; margin: 0 auto; padding-inline: var(--gutter); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 10;
  background: var(--paper-2); border: 1px solid var(--ink); padding: 10px 16px;
}
.skip-link:focus { left: 14px; top: 14px; }

/* ---- masthead: the double rule of a printed bulletin ------------------- */
.masthead { border-bottom: 1px solid var(--ink); }

.masthead-row {
  display: flex; align-items: center;
  gap: 14px 18px; flex-wrap: wrap;
  padding-block: 13px;
  border-bottom: 3px solid var(--paper);
  box-shadow: inset 0 -4px 0 -3px var(--ink);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}
.brand:hover { text-decoration: none; }

.brand-mark { display: block; flex: none; }

.brand-name {
  font-family: var(--serif);
  font-size: 21px;
  letter-spacing: -0.01em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-left: auto;
  font-family: var(--sans);
  font-size: 13.5px;
}
.nav a { text-decoration: none; color: var(--ink-2); }
.nav a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.nav .btn { color: var(--paper); }

.pulse {
  display: inline-block; width: 5px; height: 11px;
  background: var(--signal); margin-right: 8px; vertical-align: -1px;
  animation: trace 2.8s steps(2, end) infinite;
}
@keyframes trace { 0%, 60% { opacity: 1; } 61%, 100% { opacity: 0.25; } }
@media (prefers-reduced-motion: reduce) { .pulse { animation: none; } }

.filed, .rail-note, .note {
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-3);
}

.stamp {
  font-family: var(--sans);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.09em;
  color: var(--signal);
  border: 1.5px solid var(--signal);
  padding: 2px 7px;
  white-space: nowrap;
}
.stamp--inline { margin-right: 10px; }

.bulletin {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink-2);
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--signal);
  padding: 13px 16px;
  margin: 20px 0 0;
}

/* ---- hero -------------------------------------------------------------- */
.hero { padding-block: 76px 64px; }

.hero-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 24px;
  font-family: var(--serif);
  font-size: clamp(26px, 3.4vw, 34px);
  letter-spacing: -0.015em;
}
.hero-mark { display: block; flex: none; }

h1 {
  margin: 0 0 26px;
  font-weight: 400;
  font-size: clamp(34px, 6.2vw, 58px);
  line-height: 1.05;
  letter-spacing: -0.017em;
  max-width: 17ch;
  text-wrap: balance;
}

.lede {
  margin: 0 0 20px;
  font-size: clamp(19px, 2.5vw, 23px);
  line-height: 1.4;
  max-width: 34ch;
  padding-left: 18px;
  border-left: 2px solid var(--signal);
}

.hero .body {
  margin: 0 0 34px;
  color: var(--ink-2);
  max-width: 56ch;
  font-size: 16.5px;
}

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 0; }

.btn {
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 500;
  padding: 11px 20px;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--paper-sunk); text-decoration: none; }

.btn--solid { background: var(--ink); color: var(--paper); }
.btn--solid:hover { background: var(--ink-2); }

.btn--small { padding: 7px 14px; font-size: 12.5px; }

.btn--copy {
  padding: 4px 11px; font-size: 11.5px;
  border-color: var(--rule-strong); color: var(--ink-2);
}
.btn--copy:hover { border-color: var(--ink); color: var(--ink); }

/* ---- entries: marginalia rail + content column ------------------------- */
.entry {
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr);
  gap: 40px;
  padding-block: 46px;
  border-top: 1px solid var(--rule);
}

.rail { padding-top: 3px; }

.rail h2 {
  margin: 0 0 8px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.3;
}

.rail-note { margin: 0; max-width: 30ch; }

.column > :first-child { margin-top: 0; }

.note { margin: 18px 0 0; max-width: var(--measure); }
.note code { font-size: 12.5px; background: var(--paper-2); padding: 1px 4px; }

/* ---- register: instrument readout, not cards --------------------------- */
.register { margin: 0; border-top: 1px solid var(--ink); }

.reading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding: 15px 0 13px;
  border-bottom: 1px solid var(--rule);
}

.reading dt {
  flex: 1;
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink-2);
}

/* A dotted leader, as on a printed register: the eye follows it to the figure. */
.reading dt::after {
  content: "";
  flex: 1;
  border-bottom: 1px dotted var(--rule-strong);
  transform: translateY(-5px);
}

.reading dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 27px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 12px;
}

.register--quiet .reading { padding: 10px 0 9px; }
.register--quiet .reading dd { font-size: 17px; color: var(--ink-2); }
.register--quiet .reading dt { font-size: 13px; color: var(--ink-3); }

.vacancy {
  margin: 22px 0 0;
  padding: 16px 18px;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  color: var(--ink-2);
  font-size: 16px;
  max-width: var(--measure);
}

.aside { margin-top: 34px; padding-top: 22px; border-top: 1px dashed var(--rule-strong); }
.aside h3 {
  margin: 0 0 4px;
  font-family: var(--sans); font-size: 13px; font-weight: 600; color: var(--ink-3);
}
.aside .rail-note { margin-top: 8px; }

/* ---- tally: the corroboration motif ------------------------------------ */
.tally { display: inline-flex; align-items: flex-end; gap: 9px; margin-left: 14px; }

.tally-group {
  position: relative;
  display: inline-flex;
  gap: 3px;
  padding-right: 2px;
}

.tally-group i {
  display: block;
  width: 2px;
  height: 17px;
  background: var(--ink-2);
}

.tally-group.full::after {
  content: "";
  position: absolute;
  left: -3px; right: -3px; top: 50%;
  height: 2px;
  background: var(--ink-2);
  transform: rotate(-19deg);
}

.tally-more { font-family: var(--mono); font-size: 12px; color: var(--ink-3);
               margin-left: 2px; }

/* ---- ledger table ------------------------------------------------------ */
.ledger { overflow-x: auto; border-top: 1px solid var(--ink); }

table { width: 100%; border-collapse: collapse; min-width: 580px; }

th {
  text-align: left;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-3);
  padding: 10px 16px 10px 0;
  border-bottom: 1px solid var(--rule);
  white-space: nowrap;
}

td {
  padding: 14px 16px 14px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 15px;
}

th:last-child, td:last-child { padding-right: 0; }
th.num, td.num { text-align: right; font-variant-numeric: tabular-nums; }
td.num { font-family: var(--mono); font-size: 14px; }

.svc { font-family: var(--sans); font-size: 14.5px; font-weight: 500; white-space: nowrap; }
.op { font-family: var(--mono); font-size: 13.5px; color: var(--ink-2); }

/* Status: shape carries the meaning, colour only reinforces it. */
.status { display: inline-flex; align-items: center; gap: 9px;
          font-family: var(--sans); font-size: 13px; white-space: nowrap; }
.status-mark { width: 10px; height: 10px; border: 1.5px solid currentColor; flex: none; }
.status--HEALTHY { color: var(--steady); }
.status--DEGRADED { color: var(--caution); }
.status--DEGRADED .status-mark { background: linear-gradient(to top, currentColor 50%, transparent 50%); }
.status--MAJOR { color: var(--signal); }
.status--MAJOR .status-mark { background: currentColor; }
.status--INSUFFICIENT_DATA { color: var(--ink-3); }
.status--INSUFFICIENT_DATA .status-mark { border-style: dashed; }

.mark-demo {
  font-family: var(--sans); font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.06em; color: var(--ink-3);
  border: 1px solid var(--rule-strong); padding: 1px 5px; margin-left: 9px;
  vertical-align: 1px;
}

/* ---- recovery slips ---------------------------------------------------- */
.slip { border-top: 1px solid var(--ink); padding: 20px 0 24px; }
.slip + .slip { border-top: 1px solid var(--rule); }

.slip-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; margin-bottom: 3px;
}
.slip-target { font-family: var(--sans); font-size: 16px; font-weight: 600; }
.slip-kind { font-family: var(--mono); font-size: 12.5px; color: var(--signal); }
.slip-msg {
  margin: 6px 0 20px; font-family: var(--mono); font-size: 12.5px;
  color: var(--ink-3); word-break: break-word;
}

.verdict { display: flex; flex-wrap: wrap; gap: 34px 44px; align-items: flex-end; }
.verdict > div { min-width: 0; }
.verdict dt {
  font-family: var(--sans); font-size: 12.5px; color: var(--ink-3); margin-bottom: 6px;
}
.verdict dd { margin: 0; font-family: var(--mono); font-size: 20px; line-height: 1.15;
              font-variant-numeric: tabular-nums; display: flex; align-items: baseline;
              flex-wrap: wrap; }
.verdict .action { font-size: 22px; color: var(--ink); }
.verdict .sub { flex-basis: 100%; font-family: var(--sans); font-size: 12.5px;
                color: var(--ink-3); margin-top: 6px; }

/* ---- relay (how it works) ---------------------------------------------- */
.relay { list-style: none; margin: 0; padding: 0; max-width: var(--measure); }

.relay li {
  position: relative;
  padding: 0 0 20px 34px;
  margin-left: 5px;
  border-left: 1px solid var(--rule-strong);
  color: var(--ink-2);
  font-size: 16.5px;
}
.relay li:last-child { border-left-color: transparent; padding-bottom: 0; }
.relay li::before {
  content: ""; position: absolute; left: -4px; top: 11px;
  width: 7px; height: 7px; background: var(--rule-strong); border-radius: 50%;
}
.relay li:first-child::before, .relay li:nth-child(4)::before { background: var(--signal); }
.relay b { color: var(--ink); font-weight: 600; }

.pullquote {
  margin: 26px 0 0;
  padding-left: 18px;
  border-left: 2px solid var(--signal);
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.35;
  max-width: 30ch;
}
.pullquote--quiet { border-left-color: var(--rule-strong); margin: 0 0 28px; }

/* ---- wire (MCP endpoint) ----------------------------------------------- */
.wire { border: 1.5px solid var(--ink); padding: 20px 22px; background: var(--paper-2); }

.wire-label, .wire-note {
  margin: 0; font-family: var(--sans); font-size: 12.5px; color: var(--ink-3);
}
.wire-row {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin: 9px 0 10px;
}
.wire-url {
  font-family: var(--mono);
  font-size: clamp(15px, 2.7vw, 21px);
  word-break: break-all;
}

.tools { margin: 26px 0 0; }
.tools > div { padding: 15px 0; border-bottom: 1px solid var(--rule); }
.tools > div:first-child { border-top: 1px solid var(--rule); }
.tools dt { font-family: var(--mono); font-size: 14px; }
.tools dd { margin: 5px 0 0; color: var(--ink-2); font-size: 15.5px; max-width: var(--measure); }

/* ---- listings (code) --------------------------------------------------- */
.listing { margin: 0 0 16px; border: 1px solid var(--rule); background: var(--paper-2); }

.listing figcaption {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 8px 12px 8px 15px;
  border-bottom: 1px solid var(--rule);
  font-family: var(--sans); font-size: 12.5px; color: var(--ink-3);
}

pre { margin: 0; padding: 15px; overflow-x: auto; font-size: 12.5px; line-height: 1.6; }
code { font-family: var(--mono); }

.refs { list-style: none; margin: 22px 0 0; padding: 0; }
.refs li {
  display: flex; gap: 16px; flex-wrap: wrap; align-items: baseline;
  padding: 9px 0; border-bottom: 1px solid var(--rule);
}
.refs a { font-family: var(--mono); font-size: 14px; min-width: 128px; }
.refs span { font-family: var(--sans); font-size: 13.5px; color: var(--ink-3); }

/* ---- privacy ----------------------------------------------------------- */
.two-up { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; }
.two-up h3 {
  margin: 0 0 10px; font-family: var(--sans); font-size: 13px; font-weight: 600;
  color: var(--ink-3);
}

.refuse, .accept { list-style: none; margin: 0; padding: 0; font-size: 16px; }
.refuse li, .accept li {
  position: relative; padding: 5px 0 5px 26px; color: var(--ink-2);
  border-bottom: 1px solid var(--rule);
}
.refuse li::before {
  content: ""; position: absolute; left: 0; top: 15px;
  width: 13px; height: 1.5px; background: var(--signal);
}
.accept li::before {
  content: ""; position: absolute; left: 4px; top: 13px;
  width: 5px; height: 9px; border: 1.5px solid var(--steady);
  border-top: 0; border-left: 0; transform: rotate(42deg);
}

/* ---- footer ------------------------------------------------------------ */
footer { padding-block: 34px 64px; border-top: 3px double var(--rule-strong); margin-top: 46px; }
footer p { margin: 0 0 8px; color: var(--ink-2); font-size: 15px; max-width: var(--measure); }

.foot-brand {
  display: flex; align-items: center; gap: 9px;
  font-family: var(--serif); font-size: 19px; color: var(--ink) !important;
  margin-bottom: 4px;
}

.foot-links {
  list-style: none; display: flex; flex-wrap: wrap; gap: 18px;
  margin: 14px 0 12px; padding: 0;
  font-family: var(--sans); font-size: 13.5px;
}
.foot-links a { color: var(--ink-2); }

/* ---- responsive -------------------------------------------------------- */
@media (max-width: 860px) {
  .entry { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .rail { border-left: 2px solid var(--rule-strong); padding-left: 14px; }
  .rail-note { max-width: var(--measure); }
}

@media (max-width: 620px) {
  .nav { gap: 14px; font-size: 13px; width: 100%; }
  .nav .btn--small { margin-left: auto; }
}

@media (max-width: 480px) {
  :root { --gutter: 18px; }
  .hero-brand { font-size: 24px; }
  body { font-size: 16px; }
  .hero { padding-block: 52px 44px; }
  .entry { padding-block: 34px; }
  .reading { flex-direction: column; align-items: flex-start; gap: 8px; }
  .reading dd { font-size: 24px; }
  .two-up { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .actions { flex-direction: column; align-items: stretch; }
  .btn { text-align: center; }
  .btn--small { padding: 7px 14px; font-size: 12.5px; }

.btn--copy { align-self: flex-start; }
  .verdict { gap: 22px 30px; }
}