Build Relay Lab reliability dashboard

public/style.css

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+:root {
+  color-scheme: dark;
+  --paper: #f8f8f2;
+  --muted: #c4c8e0;
+  --ink: #282a36;
+  --panel: #21222c;
+  --line: #44475a;
+  --signal: #bd93f9;
+  --queued: #f1fa8c;
+  --running: #8be9fd;
+  --delivered: #50fa7b;
+  --dead: #ff5555;
+  --mono: ui-monospace, monospace;
+}
+* { box-sizing: border-box; }
+body { margin: 0; background: var(--ink); color: var(--paper); font: 16px/1.55 system-ui, sans-serif; }
+header, main, footer { width: min(1180px, 91vw); margin: auto; }
+header, footer { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 22px 0; font: 12px var(--mono); }
+header { border-bottom: 1px solid var(--line); }
+header a { color: inherit; text-decoration: none; font-weight: 800; font-size: 20px; }
+header a span { color: #ff79c6; }
+.label { color: var(--running); }
+h1 em { color: var(--signal); }
+::selection { background: var(--signal); color: var(--ink); }
+footer { color: var(--muted); }
+h1, h2, h3, p, dl, dd, ol { margin: 0; }
+.hero {
+  min-height: 460px;
+  padding: clamp(42px, 8vw, 100px) 0;
+  display: grid;
+  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
+  align-items: center;
+  gap: clamp(24px, 4vw, 64px);
+  background: radial-gradient(ellipse at 76% 40%, #bd93f91c, transparent 60%);
+}
+.label { font: 11px var(--mono); letter-spacing: .12em; }
+h1 { font-size: clamp(50px, 7.4vw, 108px); line-height: .86; letter-spacing: -.085em; margin: 23px 0; }
+h1 em { font-style: normal; }
+.hero-copy > p:not(.label) { max-width: 49ch; color: var(--muted); }
+#connection { color: var(--muted); }
+#connection::before { content: '●'; color: var(--queued); margin-right: 8px; }
+#connection[data-online="true"]::before { color: var(--delivered); }
+#connection[data-online="false"]::before { color: var(--dead); }
+.pipeline {
+  margin: 0;
+  border: 1px solid var(--line);
+  background: var(--panel);
+  box-shadow: 0 20px 50px #15151e55;
+}
+.pipeline figcaption {
+  display: flex;
+  justify-content: space-between;
+  gap: 10px;
+  border-bottom: 1px solid var(--line);
+  padding: 13px 16px;
+  font: 11px var(--mono);
+  color: var(--muted);
+}
+.pipeline figcaption span:last-child { color: var(--signal); }
+.pipeline ol { list-style: none; padding: 0 16px; }
+.pipeline li {
+  display: grid;
+  grid-template-columns: 30px minmax(0, 1fr);
+  gap: 2px 12px;
+  align-items: center;
+  padding: 11px 0;
+}
+.pipeline li + li { border-top: 1px solid var(--line); }
+.pipeline li > span {
+  grid-row: span 2;
+  padding: 6px 0;
+  border: 1px solid var(--line);
+  color: var(--state-color, var(--signal));
+  text-align: center;
+  font: 11px var(--mono);
+}
+.pipeline li strong { font-size: 13px; }
+.pipeline li small { font-family: var(--mono); font-size: 11px; }
+.pipeline[data-active="true"] [data-state="running"] > span {
+  border-color: var(--running);
+  box-shadow: 0 0 14px #8be9fd45;
+}
+.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
+.chips span { font: 11px var(--mono); border: 1px solid var(--line); padding: 6px 9px; }
+.panel { padding: clamp(20px, 4vw, 48px); background: var(--panel); border: 1px solid var(--line); margin-bottom: 16px; }
+h2 { font-size: clamp(27px, 4vw, 52px); letter-spacing: -.06em; line-height: 1.06; margin: 9px 0 20px; }
+.scenarios, .metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
+button { color: var(--paper); background: var(--ink); border: 1px solid var(--line); font: inherit; cursor: pointer; }
+button:focus-visible, a:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }
+button:hover:not(:disabled) { border-color: var(--signal); }
+button:disabled { opacity: .55; cursor: default; }
+.scenarios button { padding: 14px; min-height: 100px; text-align: left; }
+.scenarios button strong { display: block; margin-bottom: 4px; }
+button { transition: border-color .18s, background-color .18s; }
+button:hover:not(:disabled) { background-color: var(--line); }
+.scenarios span, small { display: block; color: var(--muted); font-size: 13px; }
+#repeat { margin-top: 12px; padding: 8px 12px; }
+#status { color: var(--signal); min-height: 1.6em; margin-top: 10px; font: 12px var(--mono); }
+.backend {
+  margin-top: 18px;
+  padding: 12px 16px;
+  border: 1px solid var(--line);
+  background: var(--ink);
+}
+.backend summary { cursor: pointer; color: var(--running); font: 13px var(--mono); }
+.backend p { max-width: 72ch; margin: 10px 0; color: var(--muted); font-size: 13px; }
+.backend dl { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
+.backend dt { color: var(--signal); font: 12px var(--mono); }
+.backend dd { margin-top: 4px; overflow-wrap: anywhere; font: 12px/1.5 var(--mono); }
+.metrics div { background: var(--ink); padding: 12px; }
+.metrics dt { text-transform: uppercase; font: 11px var(--mono); color: var(--muted); }
+.metrics dd { font: 32px var(--mono); }
+[data-state="queued"] { --state-color: var(--queued); }
+[data-state="running"] { --state-color: var(--running); }
+[data-state="delivered"] { --state-color: var(--delivered); }
+[data-state="dead"] { --state-color: var(--dead); }
+.metrics [data-state] { border-top: 2px solid var(--state-color); }
+.metrics [data-state] dd, #jobs [data-state] strong { color: var(--state-color); }
+.streams { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 20px; }
+.streams ol { padding: 0; list-style: none; max-height: 330px; overflow: auto; }
+.streams li { border-top: 1px solid var(--line); padding: 9px 0; }
+.streams h3 { margin-bottom: 7px; }
+#events li { font-family: var(--mono); font-size: 12px; }
+@media (max-width: 700px) {
+  .backend dl { grid-template-columns: 1fr; }
+  .hero { grid-template-columns: 1fr; }
+  .scenarios, .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
+  .streams { grid-template-columns: 1fr; }
+}
+@media (prefers-reduced-motion: reduce) {
+  button { transition: none; }
+}