/* Issue-to-Repro: an Operate surface. One sans for the interface, mono only for real code and output.
   Surfaces are separated by tone steps, not outlines. Colour carries state and the three model tiers. */
:root {
  --bg: #090d0a;          /* page ground: green-tinted near-black */
  --shell: #0e140f;       /* header, routing, trace, rail: the second layer */
  --surface: #141c16;     /* content blocks */
  --surface-2: #1c271e;   /* raised: hover, selected */
  --code: #060907;        /* code and terminal wells */
  --ink: #edf3ea;
  --ink-2: #b5c3b2;       /* secondary text */
  --ink-3: #8b9c88;       /* tertiary: hints, ids */
  --line: #1f2b21;
  --accent: #76b900;      /* NVIDIA green: primary action, selection, success */
  --accent-ink: #0a1200;
  --accent-soft: rgba(118, 185, 0, .15);
  --red: #ff7a7a;   --red-soft: rgba(255, 122, 122, .13);
  --amber: #f5bd4f; --amber-soft: rgba(245, 189, 79, .14);
  --blue: #6cb8ff;  --blue-soft: rgba(108, 184, 255, .14);
  --nano: #6cb8ff;  --super: #f5bd4f;  --ultra: #ff74b5;
  --sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "Geist Mono", ui-monospace, "Cascadia Code", Consolas, monospace;
  --r: 8px;
  --ease: cubic-bezier(.2, .8, .2, 1);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 400 15px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
  display: grid; grid-template-rows: auto auto 1fr; grid-template-columns: minmax(0, 1fr); min-height: 100vh;
  caret-color: var(--accent);
}
::selection { background: rgba(118, 185, 0, .38); color: #fff; }
* { scrollbar-width: thin; scrollbar-color: #2f3f31 transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #2f3f31; border-radius: 10px; border: 2px solid transparent; background-clip: padding-box; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
a { color: var(--blue); text-underline-offset: 3px; }
button, input, select { font: inherit; color: inherit; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.num { font-variant-numeric: tabular-nums; }
.i { width: 16px; height: 16px; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ---- header ---------------------------------------------------------------------------------- */
.bar {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 24px; align-items: center;
  padding: 12px 20px; background: var(--shell); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 5;
}
.brand { display: flex; gap: 12px; align-items: center; color: inherit; text-decoration: none; }
.mark { width: 34px; height: 34px; flex: none; }
.mark rect { fill: var(--accent); }
.mark path { fill: none; stroke: var(--accent-ink); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.brand-text { display: grid; line-height: 1.25; }
.brand-name { font-weight: 700; font-size: 17px; letter-spacing: -.02em; }
.brand-sub { font-size: 13px; color: var(--ink-3); }

.run-form { display: flex; gap: 8px; width: 100%; max-width: 820px; justify-self: center; }
.run-form input {
  width: 100%; min-width: 0; height: 42px; padding: 0 14px 0 40px; border-radius: var(--r);
  background: var(--bg); border: 1px solid transparent; font-size: 14.5px;
  transition: border-color .18s var(--ease), background .18s var(--ease);
}
.run-form input::placeholder { color: var(--ink-3); }
.run-form input:hover { background: #0c110d; }
.run-form input:focus { outline: none; border-color: var(--accent); }
.run-form input:disabled { opacity: .6; }

.btn {
  display: inline-flex; align-items: center; gap: 8px; height: 42px; padding: 0 16px;
  border-radius: var(--r); border: 0; cursor: pointer; font-weight: 600; font-size: 14.5px;
  background: var(--surface-2); color: var(--ink);
  transition: background .18s var(--ease), transform .12s var(--ease), opacity .18s;
}
.btn:hover { background: #253327; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { background: #86cc0f; }
.btn.primary .i { fill: currentColor; stroke: none; }
.btn.small { height: 32px; padding: 0 12px; font-size: 13.5px; }

.history { display: flex; gap: 8px; }
.history select {
  height: 42px; max-width: 280px; padding: 0 34px 0 12px; border-radius: var(--r); border: 0;
  background: var(--surface-2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23b5c3b2' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 10px center / 16px;
  appearance: none; cursor: pointer; text-overflow: ellipsis;
}
.history select:hover { background-color: #253327; }

/* ---- routing bar: the tier split is the signature ---------------------------------------------- */
.routing {
  display: flex; flex-wrap: wrap; gap: 16px 40px; align-items: center;
  padding: 12px 24px 16px; background: var(--shell); border-top: 1px solid var(--line);
}
.split { flex: 1 1 380px; min-width: 0; max-width: 620px; }
.split-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 7px; }
.split-title { font-weight: 600; font-size: 13.5px; }
.split-total { font-size: 13px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.split-bar { display: flex; height: 10px; border-radius: 5px; overflow: hidden; background: var(--surface-2); gap: 2px; }
.seg { display: block; height: 100%; transition: width .35s var(--ease); min-width: 0; }
.seg.nano { background: var(--nano); } .seg.super { background: var(--super); } .seg.ultra { background: var(--ultra); }
.legend { display: flex; gap: 18px; margin: 8px 0 0; padding: 0; list-style: none; font-size: 13px; color: var(--ink-2); }
.legend li { display: flex; align-items: center; gap: 6px; }
.legend b { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }
.sw { width: 8px; height: 8px; border-radius: 2px; background: currentColor; }
.t-nano .sw { background: var(--nano); } .t-super .sw { background: var(--super); } .t-ultra .sw { background: var(--ultra); }
.legend li.pulse b { animation: pulse-ink .6s var(--ease); }
@keyframes pulse-ink { from { color: var(--accent); } }

.stats { display: flex; flex-wrap: wrap; gap: 8px 28px; margin: 0; }
.stats div { display: grid; }
.stats dt { font-size: 12.5px; color: var(--ink-3); }
.stats dd { margin: 0; font-size: 18px; font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.stats .run-id dd { font-size: 14px; font-weight: 500; color: var(--ink-2); font-family: var(--mono); padding-top: 2px; }

/* ---- layout ----------------------------------------------------------------------------------------- */
.layout { display: grid; grid-template-columns: 340px minmax(0, 1fr); min-height: 0; }
.rail { background: var(--shell); padding: 20px 14px 32px; overflow-y: auto; border-top: 1px solid var(--line); }
.pane { overflow: auto; padding: 28px 36px 64px; min-height: 0; }

/* ---- outcome ---------------------------------------------------------------------------------------- */
.outcome { border-radius: 10px; padding: 16px 18px; margin: 0 4px 18px; background: var(--tone); }
.outcome h2 { margin: 0; font-size: 24px; line-height: 1.2; letter-spacing: -.015em; color: var(--c); display: flex; gap: 10px; align-items: center; }
.outcome h2 .i { width: 22px; height: 22px; stroke-width: 2.4; }
.outcome p { margin: 6px 0 0; font-size: 14px; color: var(--ink); overflow-wrap: anywhere; }
.outcome .meta { color: var(--ink-2); font-size: 13px; }
.o-CONFIRMED { --c: var(--accent); --tone: var(--accent-soft); }
.o-NOT_REPRODUCED { --c: var(--amber); --tone: var(--amber-soft); }
.o-NEEDS_MAINTAINER { --c: var(--blue); --tone: var(--blue-soft); }
.o-SETUP_FAILED, .o-ERROR { --c: var(--red); --tone: var(--red-soft); }

/* ---- stages (the run's navigation) -------------------------------------------------------------- */
.stages { list-style: none; margin: 0; padding: 0; }
.stage { position: relative; }
.stage + .stage::before {                     /* connector between status marks */
  content: ""; position: absolute; left: 25px; top: -10px; height: 18px; width: 2px; background: var(--line);
}
.stage.done + .stage::before, .stage.failed + .stage::before { background: #3a4a24; }
.stage-btn {
  display: grid; grid-template-columns: 24px 1fr; gap: 12px; width: 100%; text-align: left;
  padding: 10px 12px; border: 0; border-radius: var(--r); background: transparent; cursor: pointer;
  transition: background .18s var(--ease);
}
.stage-btn:hover:not(:disabled) { background: var(--surface); }
.stage-btn:disabled { cursor: default; }
.stage.selected .stage-btn { background: var(--surface-2); }
.mark-dot {
  width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center;
  background: var(--surface-2); color: var(--ink-3); font-size: 12px; font-weight: 600;
}
.mark-dot .i { width: 14px; height: 14px; stroke-width: 3; }
.stage.done .mark-dot { background: var(--accent); color: var(--accent-ink); }
.stage.failed .mark-dot { background: var(--red); color: #1a0505; }
.stage.running .mark-dot { background: var(--accent-soft); color: var(--accent); }
.stage.running .mark-dot .i { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.stage-name { font-weight: 600; font-size: 14.5px; line-height: 24px; }
.stage.pending .stage-name, .stage.skipped .stage-name { color: var(--ink-3); }
.stage.running .stage-name { color: var(--accent); }
.stage-desc { display: block; font-size: 13px; color: var(--ink-3); line-height: 1.4; }
.stage.selected .stage-desc { color: var(--ink-2); }
.stage-meta { display: flex; flex-wrap: wrap; gap: 4px 12px; margin-top: 5px; font-size: 12.5px; color: var(--ink-2); }
.tier { display: inline-flex; align-items: center; gap: 5px; }
.tier::before { content: ""; width: 7px; height: 7px; border-radius: 2px; background: var(--tc); }
.tier.nano { --tc: var(--nano); } .tier.super { --tc: var(--super); } .tier.ultra { --tc: var(--ultra); }
.tier.none::before { background: var(--ink-3); }
.stage-err { margin-top: 6px; font-size: 12.5px; color: var(--red); overflow-wrap: anywhere; }
.stage.skipped { opacity: .45; }

/* ---- pane: stage detail ----------------------------------------------------------------------------- */
.pane-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 22px; }
.pane-head h1 { margin: 0; font-size: 30px; line-height: 1.15; letter-spacing: -.03em; }
.pane-head p { margin: 4px 0 0; color: var(--ink-2); max-width: 70ch; }
.pane-head .status { display: flex; align-items: center; gap: 10px; flex: none; }

.attempt { margin-bottom: 28px; }
.attempt-head { display: flex; align-items: center; gap: 10px; margin: 0 0 12px; font-size: 15px; font-weight: 600; }
.attempt-head .sub { color: var(--ink-3); font-weight: 400; font-size: 13.5px; }

.block { background: var(--surface); border-radius: 10px; padding: 18px 20px; margin-bottom: 12px; }
.block h3 { margin: 0 0 10px; font-size: 15px; font-weight: 600; letter-spacing: -.005em; }
.block h4 { margin: 16px 0 8px; font-size: 13.5px; font-weight: 600; color: var(--ink-2); }
.block p { margin: 0 0 8px; max-width: 78ch; }
.block p:last-child { margin-bottom: 0; }
.lead { font-size: 17px; line-height: 1.5; }
.muted { color: var(--ink-2); }
.faint { color: var(--ink-3); }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 0; font-size: 14px; }
.kv dt { color: var(--ink-3); }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.two .block { margin: 0; }
ul.plain, ol.plain { margin: 0; padding-left: 20px; }
ul.plain li, ol.plain li { margin: 3px 0; }

.badge { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-size: 13px; font-weight: 600; }
.badge .i { width: 14px; height: 14px; stroke-width: 2.6; }
.badge.good { background: var(--accent-soft); color: var(--accent); }
.badge.bad { background: var(--red-soft); color: var(--red); }
.badge.warn { background: var(--amber-soft); color: var(--amber); }
.badge.info { background: var(--blue-soft); color: var(--blue); }
.badge.neutral { background: var(--surface-2); color: var(--ink-2); }

pre.code, pre.out, pre.diff {
  margin: 0; padding: 14px 16px; border-radius: var(--r); overflow: auto; max-height: 62vh;
  font: 13px/1.6 var(--mono); background: var(--code); white-space: pre; tab-size: 4;
}
pre.out { white-space: pre-wrap; overflow-wrap: anywhere; color: #cfd5e1; }
.diff .l { display: block; padding: 0 6px; margin: 0 -6px; }
.diff .add { color: #a6e36d; background: rgba(118, 185, 0, .1); }
.diff .del { color: #ff9b9b; background: rgba(255, 122, 122, .1); }
.diff .hunk { color: var(--blue); }
.diff .file { color: var(--ink-3); }

/* sandbox commands */
.cmds { display: grid; gap: 6px; }
.cmd { background: var(--code); border-radius: var(--r); }
.cmd > summary {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px; cursor: pointer; list-style: none;
  font: 13px/1.5 var(--mono);
}
.cmd > summary::-webkit-details-marker { display: none; }
.cmd > summary .chev { width: 14px; height: 14px; color: var(--ink-3); transition: transform .18s var(--ease); }
.cmd[open] > summary .chev { transform: rotate(90deg); }
.cmd .prompt { color: var(--accent); }
.cmd .text { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink); }
.cmd[open] .text { white-space: normal; overflow-wrap: anywhere; }
.exit { font: 600 12px/1 var(--sans); padding: 4px 8px; border-radius: 6px; flex: none; }
.exit.ok { color: var(--accent); background: var(--accent-soft); }
.exit.fail { color: var(--red); background: var(--red-soft); }
.exit.timeout { color: var(--amber); background: var(--amber-soft); }
.cmd pre.out { background: transparent; padding: 0 14px 12px 36px; max-height: 40vh; }
.stderr { color: #ffb4a8; }

/* proof: the fail-before / pass-after gate */
.proof { display: grid; grid-template-columns: 1fr auto 1fr; gap: 14px; align-items: stretch; margin-bottom: 12px; }
.proof .side { background: var(--surface); border-radius: 10px; padding: 18px 20px; }
.proof .side.before { background: var(--red-soft); }
.proof .side.after { background: var(--accent-soft); }
.proof .label { font-size: 13.5px; color: var(--ink-2); }
.proof .big { font-size: 28px; font-weight: 700; letter-spacing: -.02em; line-height: 1.2; margin: 4px 0 2px; }
.proof .before .big { color: var(--red); }
.proof .after .big { color: var(--accent); }
.proof .arrow { display: grid; place-items: center; color: var(--ink-3); }
.proof .arrow .i { width: 22px; height: 22px; }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.checks li { display: flex; gap: 10px; align-items: flex-start; }
.checks .i { margin-top: 3px; color: var(--accent); stroke-width: 2.6; }
.checks li.no .i { color: var(--red); }

.conf { display: flex; align-items: center; gap: 12px; margin-top: 12px; font-size: 13.5px; color: var(--ink-2); }
.conf-bar { flex: 0 1 220px; height: 6px; border-radius: 3px; background: var(--surface-2); overflow: hidden; }
.conf-bar > i { display: block; height: 100%; background: var(--accent); }

/* empty state */
.empty { max-width: 720px; margin: 6vh auto 0; }
.empty h1 { margin: 0 0 10px; font-size: 30px; letter-spacing: -.025em; line-height: 1.15; }
.empty > p { margin: 0 0 26px; color: var(--ink-2); font-size: 16px; max-width: 62ch; }
.empty h2 { margin: 26px 0 10px; font-size: 14px; font-weight: 600; color: var(--ink-2); }
.pick { display: grid; gap: 8px; }
.pick button {
  display: grid; grid-template-columns: 1fr auto; gap: 2px 16px; align-items: center; width: 100%; text-align: left;
  padding: 12px 16px; border: 0; border-radius: var(--r); background: var(--surface); cursor: pointer;
  transition: background .18s var(--ease);
}
.pick button:hover { background: var(--surface-2); }
.pick .t { font-weight: 600; }
.pick .d { grid-column: 1; font-size: 13.5px; color: var(--ink-2); }
.pick .go { grid-row: 1 / span 2; grid-column: 2; color: var(--ink-3); }
.steps { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.steps li { background: var(--surface); border-radius: var(--r); padding: 12px 14px; font-size: 13.5px; color: var(--ink-2); }
.steps b { display: block; color: var(--ink); font-size: 14px; margin-bottom: 2px; }

/* rendered comment summary */
.md { font-size: 15px; line-height: 1.65; }
.md code { font-family: var(--mono); font-size: 13px; background: var(--code); padding: 1px 5px; border-radius: 5px; }

.waiting { display: flex; align-items: center; gap: 10px; color: var(--ink-2); padding: 8px 2px; }
.waiting .i { animation: spin 1s linear infinite; color: var(--accent); }

.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); z-index: 10; max-width: min(640px, 90vw);
  padding: 12px 18px; border-radius: 10px; background: #2b1416; color: #ffd6d6;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .45);
}

@media (max-width: 1100px) {
  .bar { grid-template-columns: auto 1fr; }
  .history { grid-column: 1 / -1; }
  .history select { flex: 1; max-width: none; }
}
@media (max-width: 860px) {
  body { display: block; }
  .layout { display: block; }
  .rail { border-top: 0; overflow: visible; }
  .pane { overflow: visible; }
  .split { flex-basis: 100%; }
  .history select { min-width: 0; }
  .stats { gap: 8px 22px; }
  .pane { padding: 22px 18px 48px; }
  .bar, .routing { padding-left: 16px; padding-right: 16px; }
  .brand-sub { display: none; }
  .bar { grid-template-columns: minmax(0, 1fr); }
  .two, .proof { grid-template-columns: 1fr; }
  .proof .arrow { transform: rotate(90deg); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

details.block > summary { cursor: pointer; list-style: none; display: flex; align-items: center; gap: 8px; }
details.block > summary::-webkit-details-marker { display: none; }
details.block > summary::before { content: ""; width: 7px; height: 7px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(-45deg); transition: transform .18s var(--ease); }
details.block[open] > summary::before { transform: rotate(45deg); }

/* ---- run trace (signature) ----------------------------------------------------------------------- */
.trace { background: var(--shell); padding: 4px 24px 12px; border-top: 1px solid var(--line); }
.trace-head { display: flex; flex-wrap: wrap; gap: 6px 22px; align-items: baseline; margin-bottom: 6px; }
.trace-title { font-weight: 600; font-size: 13.5px; }
.trace-key { display: flex; flex-wrap: wrap; gap: 4px 16px; margin: 0; padding: 0; list-style: none; font-size: 12.5px; color: var(--ink-3); }
.trace-key li { display: flex; align-items: center; gap: 6px; }
.k-band { width: 14px; height: 8px; border-radius: 2px; background: var(--surface-2); }
.k-call { display: flex; gap: 2px; } .k-call i { width: 5px; height: 6px; border-radius: 1px; }
.k-call .n { background: var(--nano); } .k-call .s { background: var(--super); } .k-call .u { background: var(--ultra); }
.k-tick { width: 2px; height: 10px; background: var(--ink-3); }
.k-dot { width: 8px; height: 8px; border-radius: 50%; }
.k-dot.repro { background: var(--blue); } .k-dot.reject { background: var(--red); } .k-dot.pass { background: var(--accent); }
.trace-plot { height: 62px; min-width: 0; overflow: hidden; }
.trace-plot svg { display: block; width: 100%; }
.band rect { fill: var(--surface); transition: fill .18s var(--ease); }
.band { cursor: pointer; outline: none; }
.band:hover rect, .band:focus-visible rect { fill: var(--surface-2); }
.band.running rect { fill: var(--accent-soft); }
.band.failed rect { fill: var(--red-soft); }
.band.sel rect { fill: #24352a; stroke: var(--accent); stroke-width: 1.5; }
.band text { fill: var(--ink-2); font: 500 12px var(--sans); pointer-events: none; }
.band.sel text { fill: var(--ink); }
.call { opacity: .95; } .call.nano { fill: var(--nano); } .call.super { fill: var(--super); } .call.ultra { fill: var(--ultra); }
.tick { fill: #4d5f4f; } .tick.failed { fill: var(--red); }
.mark line { stroke-width: 1.5; stroke-dasharray: 2 3; opacity: .8; }
.mark.reject line { stroke: var(--red); } .mark.reject circle { fill: var(--red); }
.mark.pass line { stroke: var(--accent); } .mark.pass circle { fill: var(--accent); }
.mark.repro line { stroke: var(--blue); } .mark.repro circle { fill: var(--blue); }
.now { fill: var(--accent); animation: blink 1.2s ease-in-out infinite; }
@keyframes blink { 50% { opacity: .25; } }
.trace-axis { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-3); font-variant-numeric: tabular-nums; margin-top: 2px; }
@media (max-width: 860px) { .trace { padding-left: 16px; padding-right: 16px; } .trace-key { display: none; } }

/* ---- polish pass: panels on the ground, run header card ---------------------------------------- */
.field { position: relative; flex: 1; min-width: 0; display: flex; }
.field-icon { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--ink-3); width: 17px; height: 17px; pointer-events: none; }
.run-form input:focus + .field-icon, .field:focus-within .field-icon { color: var(--accent); }

.runcard { margin: 18px 20px 0; padding: 22px 26px 18px; border-radius: 16px; background: var(--shell); }
.run-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px 40px; flex-wrap: wrap; }
.run-id-block { min-width: 0; flex: 1 1 420px; }
.run-line { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 6px; }
.run-repo { color: var(--ink-2); font-weight: 500; font-size: 14px; text-decoration: none; }
.run-repo:hover { color: var(--ink); text-decoration: underline; }
.run-title {
  margin: 0; font-size: 26px; line-height: 1.22; font-weight: 650; letter-spacing: -.025em; max-width: 46ch;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.pill { display: inline-flex; align-items: center; gap: 6px; height: 24px; padding: 0 10px; border-radius: 999px; font-size: 12.5px; font-weight: 600; }
.pill .i { width: 13px; height: 13px; stroke-width: 2.8; }
.pill.good { background: var(--accent-soft); color: var(--accent); }
.pill.bad { background: var(--red-soft); color: var(--red); }
.pill.warn { background: var(--amber-soft); color: var(--amber); }
.pill.info { background: var(--blue-soft); color: var(--blue); }
.pill.live::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; animation: blink 1.2s ease-in-out infinite; }
.runcard .stats { gap: 6px 30px; }
.runcard .stats dd { font-size: 22px; letter-spacing: -.02em; }
.run-viz { display: grid; grid-template-columns: minmax(240px, 300px) minmax(0, 1fr); gap: 20px 36px; margin-top: 20px; align-items: end; }
.run-viz .split { max-width: none; }
.trace { background: none; padding: 0; border: 0; min-width: 0; }
.trace-head { margin-bottom: 6px; }
.trace-axis { margin-left: auto; gap: 0 6px; display: inline-flex; }
.trace-axis .trace-start::after { content: " to"; }
.run-foot { margin: 10px 0 0; font-size: 12px; color: var(--ink-3); text-align: right; }
.mono { font-family: var(--mono); }

.layout { margin: 16px 20px 24px; gap: 16px; grid-template-columns: 320px minmax(0, 1fr); align-items: start; }
.rail {
  border-radius: 16px; border-top: 0; padding: 16px 10px 18px;
  position: sticky; top: 84px; max-height: calc(100vh - 104px);
}
.pane { overflow: visible; padding: 6px 6px 40px; min-height: 0; }
.block { border-radius: 14px; padding: 20px 22px; }
.proof .side { border-radius: 14px; }
.outcome { border-radius: 12px; }
.empty { margin-top: 3vh; }

@media (max-width: 1100px) { .run-viz { grid-template-columns: 1fr; } }
@media (max-width: 860px) {
  .runcard { margin: 12px 12px 0; padding: 18px 16px 14px; }
  .run-title { font-size: 21px; }
  .layout { margin: 12px; }
  .rail { position: static; max-height: none; margin-bottom: 12px; }
  .bar { position: static; }
}