:root {
  color-scheme: dark;
  --ink: #080a09;
  --ink-2: #0e1210;
  --ink-3: #111510;
  --paper: #f2f0e7;
  --muted: #8e958d;
  --line: rgba(242, 240, 231, .16);
  --line-strong: rgba(242, 240, 231, .28);
  --gold: #d6a83d;
  --gold-pale: #f4d981;
  --green: #55a878;
  --red: #e16a55;
  --blue: #75a9ce;
  --display: "Space Grotesk", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { background: var(--ink); }
body { margin: 0; overflow-x: hidden; color: var(--paper); background: var(--ink); font-family: var(--display); -webkit-font-smoothing: antialiased; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; background: radial-gradient(circle at 78% 6%, rgba(214,168,61,.055), transparent 31%), linear-gradient(rgba(255,255,255,.012) 1px, transparent 1px); background-size: auto, 100% 5px; }
button, input { font: inherit; }
button { color: inherit; }
main { width: min(1400px, calc(100% - 64px)); margin: auto; padding-bottom: 84px; position: relative; }

.topbar { min-height: 72px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand, .endpoint { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 36px; height: 30px; display: grid; place-items: center; border: 1px solid rgba(214,168,61,.5); color: var(--gold-pale); font: 600 10px/1 var(--mono); letter-spacing: .08em; }
.brand b, .brand small, .endpoint b, .endpoint small { display: block; }
.brand b { font-size: 15px; font-weight: 600; letter-spacing: -.01em; }
.brand small, .endpoint small { margin-top: 3px; color: #6f756e; font: 9px/1.3 var(--mono); }
.endpoint { text-align: right; }
.endpoint b { color: var(--gold-pale); font: 500 9px/1 var(--mono); letter-spacing: .1em; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(85,168,120,.12); }

.intro { padding: clamp(52px, 7vw, 92px) 0 54px; }
.eyebrow { margin: 0 0 14px; color: var(--gold); font: 500 10px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
h1 { margin: 0; white-space: nowrap; font: 600 clamp(42px, 5.2vw, 76px)/1.02 var(--display); letter-spacing: -.045em; }

.lab-layout { display: grid; grid-template-columns: minmax(320px, 392px) minmax(0, 1fr); gap: clamp(38px, 5vw, 76px); align-items: start; }
.composer { position: sticky; top: 20px; padding: 0 22px 22px; border: 1px solid var(--line-strong); background: var(--ink-2); }
.panel-heading { margin: 0 -22px 20px; padding: 14px 16px; display: flex; justify-content: space-between; border-bottom: 1px solid var(--line); font: 500 10px/1 var(--mono); letter-spacing: .09em; text-transform: uppercase; }
.panel-heading small { color: #626961; }
.preset-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-bottom: 26px; }
.preset-strip button { min-width: 0; padding: 10px 8px; border: 1px solid var(--line); background: transparent; text-align: left; cursor: pointer; transition: color .18s, border-color .18s, background .18s; }
.preset-strip b, .preset-strip small { display: block; }
.preset-strip b { font-size: 11px; font-weight: 500; }
.preset-strip small { margin-top: 4px; overflow: hidden; color: #70776f; font: 8px/1.3 var(--mono); white-space: nowrap; text-overflow: ellipsis; }
.preset-strip button:hover { border-color: rgba(244,217,129,.52); color: var(--gold-pale); }
.preset-strip button.active { border-color: rgba(214,168,61,.55); background: rgba(214,168,61,.08); color: var(--paper); }
.preset-strip button.active small { color: #a38d58; }

.primary-fields { display: grid; grid-template-columns: 1fr 92px; gap: 14px; }
label > span, .attribute-heading > span { display: block; margin-bottom: 6px; color: #777e76; font: 500 8px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
input { width: 100%; padding: 10px 0; border: 0; border-bottom: 1px solid var(--line-strong); border-radius: 0; outline: none; background: transparent; color: #e1e2dc; font: 12px/1.2 var(--mono); }
input:focus { border-color: var(--gold); box-shadow: 0 1px 0 var(--gold); }
.attribute-heading { display: flex; justify-content: space-between; align-items: end; margin-top: 24px; border-bottom: 1px solid var(--line); }
.attribute-heading > span { margin-bottom: 7px; }
.text-button { padding: 5px 0; border: 0; background: transparent; color: var(--gold); cursor: pointer; font: 500 9px/1 var(--mono); }
.rows { display: grid; gap: 4px; margin-top: 7px; }
.row { display: grid; grid-template-columns: .85fr 1.15fr 20px; gap: 8px; align-items: end; }
.row input { padding: 7px 0; font-size: 10px; }
.row button { padding: 0; border: 0; background: transparent; color: #5f655f; cursor: pointer; font-size: 17px; }
.row button:hover { color: var(--red); }
.otel-reference { margin-top: 24px; border-top: 1px solid var(--line); }
.otel-reference > div { padding: 10px 0 8px; display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.otel-reference > div span { color: var(--gold); font: 500 8px/1 var(--mono); letter-spacing: .1em; }
.otel-reference > div small { color: #5f665f; font: 8px/1 var(--mono); }
.otel-reference nav { display: grid; border: 1px solid var(--line); }
.otel-reference a { padding: 9px 10px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); color: #9da39c; text-decoration: none; font: 9px/1.2 var(--mono); transition: color .18s, background .18s; }
.otel-reference a:last-child { border-bottom: 0; }
.otel-reference a b { color: #555c55; font-weight: 400; }
.otel-reference a:hover { background: rgba(214,168,61,.055); color: var(--gold-pale); }
.otel-reference a:hover b { color: var(--gold); }
.send { width: 100%; min-height: 48px; margin-top: 26px; padding: 0 16px; display: flex; align-items: center; justify-content: space-between; border: 1px solid var(--gold); background: var(--gold); color: var(--ink); cursor: pointer; font: 600 11px/1 var(--mono); letter-spacing: .04em; transition: background .18s, border-color .18s, transform .12s; }
.send b { font-size: 19px; line-height: .5; }
.send:hover { border-color: var(--gold-pale); background: var(--gold-pale); }
.send:active { transform: scale(.985); }
.send:disabled { opacity: .62; cursor: wait; }

.rule-builder { margin: 24px 0 0; padding: 13px; border: 1px solid rgba(214,168,61,.32); background: #0b0e0c; }
.rule-builder legend { padding: 0 6px; color: var(--gold); font: 500 8px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.rule-catalog { display: grid; }
.rule-item { padding: 10px 0; border-bottom: 1px solid var(--line); }
.rule-item:last-child { border-bottom: 0; }
.rule-item > code { display: block; margin-top: 5px; overflow-wrap: anywhere; color: #c8cbc4; font: 8px/1.5 var(--mono); }
.rule-signal { display: block; color: #6f756e; font: 500 7px/1 var(--mono); letter-spacing: .09em; }
.featured-rule { padding: 10px; background: rgba(214,168,61,.055); }
.featured-rule .rule-signal { color: var(--gold); }
.raw-rule { max-height: 145px; margin: 7px 0 0; padding: 8px; overflow: auto; border: 1px solid rgba(214,168,61,.2); background: var(--ink); color: #b9bdb7; white-space: pre-wrap; overflow-wrap: anywhere; font: 7px/1.6 var(--mono); }
.rule-builder p { margin: 9px 0 0; color: #636a63; font: 8px/1.5 var(--mono); }

.trace { min-width: 0; }
.trace-heading { min-height: 58px; display: flex; justify-content: space-between; gap: 20px; align-items: end; padding-bottom: 16px; }
.trace-heading .eyebrow { margin-bottom: 7px; }
h2 { margin: 0; font: 600 28px/1.08 var(--display); letter-spacing: -.03em; }
.run-meta { max-width: 250px; text-align: right; }
.run-meta span { display: block; margin-bottom: 5px; color: #5d635d; font: 500 7px/1 var(--mono); letter-spacing: .12em; }
.run-meta code { display: block; overflow: hidden; color: #777e76; font: 8px/1.3 var(--mono); text-overflow: ellipsis; }
.stage { position: relative; padding: 20px 0 22px; border-bottom: 1px solid var(--line); }
.stage:not(:last-child)::before { content: ""; position: absolute; z-index: 0; top: 49px; bottom: -35px; left: 14px; width: 1px; background: var(--line-strong); transition: background .2s; }
.stage.done:not(:last-child)::before { background: var(--green); }
.stage.active:not(:last-child)::before { background: var(--gold); }
.stage.drop:not(:last-child)::before { background: var(--red); }
.stage > header { display: grid; grid-template-columns: 34px 1fr auto; gap: 12px; align-items: start; }
.stage-number { width: 29px; height: 29px; z-index: 1; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; background: var(--ink); color: #737a72; font: 500 8px/1 var(--mono); }
.stage h3 { margin: 1px 0 0; font-size: 14px; font-weight: 600; }
.stage header p { margin: 4px 0 0; color: #686f68; font: 9px/1.3 var(--mono); }
.stage header strong { padding-top: 5px; color: #666d66; font: 500 8px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.stage.active .stage-number { border-color: var(--gold); background: var(--gold); color: var(--ink); }
.stage.done .stage-number { border-color: var(--green); background: var(--green); color: var(--ink); }
.stage.drop .stage-number { border-color: var(--red); background: var(--red); color: var(--ink); }
.stage.active { background: linear-gradient(90deg, rgba(214,168,61,.045), transparent 64%); }
.stage.active .stage-number { position: relative; font-size: 0; }
.stage.active .stage-number::after { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--ink); transform-origin: center; animation: status-pulse 1s ease-in-out infinite; }
.stage.active header strong::after { content: ""; display: inline-block; width: 12px; height: 3px; margin-left: 6px; background: radial-gradient(circle, var(--gold) 1px, transparent 1.5px) 0 0 / 4px 3px; animation: loading-dots .8s steps(3,end) infinite; }
.send:disabled b { width: 16px; height: 4px; border: 0; background: radial-gradient(circle, var(--ink) 1.5px, transparent 2px) 0 0 / 6px 4px; animation: loading-dots .8s steps(3,end) infinite; font-size: 0; }

.payload-summary { min-height: 34px; margin: 14px 0 0 46px; display: flex; align-items: center; gap: 9px; color: #747b73; font: 9px/1.4 var(--mono); }
.payload-summary b { color: #d8dad4; font: 500 11px/1.3 var(--display); }
.payload-summary code { padding: 3px 5px; background: rgba(117,169,206,.1); color: var(--blue); font: 9px/1 var(--mono); }
.empty-dot { width: 6px; height: 6px; border-radius: 50%; background: #464c47; }
details { margin: 10px 0 0 46px; border: 1px solid var(--line); background: #0b0e0c; }
summary { padding: 9px 11px; cursor: pointer; color: #777e76; font: 500 8px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
pre { max-height: 290px; margin: 0; padding: 13px; overflow: auto; border-top: 1px solid var(--line); color: #b9bdb7; white-space: pre-wrap; overflow-wrap: anywhere; font: 9px/1.65 var(--mono); }
.receipt { margin: 15px 0 0 46px; display: grid; grid-template-columns: 42px 62px 1fr; align-items: center; gap: 8px; }
.receipt span { color: #6c736b; font: 500 8px/1 var(--mono); letter-spacing: .1em; }
.receipt b { color: var(--gold-pale); font: 500 21px/1 var(--display); }
.receipt small { color: #747b73; font: 9px/1.4 var(--mono); }
.policy-track { margin: 15px 0 0 46px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--line); }
.policy-track > div { min-width: 0; padding: 11px; border-right: 1px solid var(--line); }
.policy-track > div:last-child { border: 0; }
.policy-track i, .policy-track code { display: block; }
.policy-track i { margin-bottom: 6px; font: 600 7px/1 var(--mono); font-style: normal; letter-spacing: .1em; }
.policy-track code { overflow: hidden; color: #b9bdb7; font: 8px/1.4 var(--mono); text-overflow: ellipsis; }
.drop-mark { color: var(--red); }
.redact-mark { color: var(--gold); }
.mark-mark { color: var(--blue); }
.filter-result { margin: 10px 0 0 46px; color: #747b73; font: 9px/1.55 var(--mono); }
.filter-result b { color: #d6d8d2; }
[data-state="ok"] { color: var(--green) !important; }
[data-state="drop"] { color: var(--red) !important; }
[data-state="active"] { color: var(--gold) !important; }

@keyframes status-pulse { 0%,100% { opacity: .4; transform: scale(.72); } 50% { opacity: 1; transform: scale(1); } }
@keyframes loading-dots { to { background-position: 18px 0; } }

@media (max-width: 1000px) {
  main { width: min(760px, calc(100% - 34px)); }
  .lab-layout { grid-template-columns: 1fr; }
  .composer { position: static; }
}
@media (max-width: 600px) {
  main { width: calc(100vw - 32px); margin-inline: auto; padding-bottom: 44px; }
  .topbar, .intro, .lab-layout, .trace { min-width: 0; max-width: 100%; }
  .topbar { min-height: 64px; }
  .brand { min-width: 0; }
  .brand small, .endpoint { display: none; }
  .intro { padding: 42px 0 36px; }
  h1 { font-size: clamp(27px, 8.1vw, 32px); letter-spacing: -.05em; }
  .composer { min-width: 0; padding-inline: 15px; }
  .panel-heading { margin-inline: -15px; }
  .preset-strip { grid-template-columns: 1fr; }
  .preset-strip button { display: flex; align-items: center; justify-content: space-between; padding-inline: 10px; }
  .preset-strip small { display: none; }
  .primary-fields > * { min-width: 0; }
  .primary-fields { grid-template-columns: minmax(0,1fr) 72px; }
  .trace-heading { align-items: start; }
  .run-meta { max-width: 100px; }
  .stage > header { grid-template-columns: 32px 1fr; }
  .stage header strong { grid-column: 2; padding: 0; }
  .payload-summary, details, .receipt, .policy-track, .filter-result { margin-left: 43px; }
  .policy-track { grid-template-columns: 1fr; }
  .policy-track > div { border-right: 0; border-bottom: 1px solid var(--line); }
}
@media (prefers-reduced-motion: no-preference) {
  .intro, .lab-layout { animation: enter .5s cubic-bezier(.2,0,0,1) both; }
  .lab-layout { animation-delay: .06s; }
  @keyframes enter { from { opacity: 0; transform: translateY(10px); } }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}