:root {
  color-scheme: dark;
  --ink: #e9e2d3;
  --muted: #9c968a;
  --faint: #6c685f;
  --paper: #151511;
  --raised: #1e1d18;
  --line: #38352d;
  --gold: #bca265;
  --green: #75856b;
  --red: #9b6155;
  --serif: "Libre Caslon Text", Georgia, serif;
  --mono: "DM Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--paper); }
body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background: radial-gradient(circle at 70% -20%, rgba(188,162,101,.1), transparent 40rem),
    linear-gradient(145deg, #191813, var(--paper) 58%);
  font-family: var(--serif);
}
button { font: inherit; }
.grain {
  position: fixed; inset: 0; z-index: 20; pointer-events: none; opacity: .028;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
}
.shell { width: min(1180px, calc(100% - 40px)); margin: auto; padding: 28px 0 70px; }
.masthead { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding-bottom: 24px; border-bottom: 1px solid var(--line); font: 10px var(--mono); letter-spacing: .13em; }
.wordmark { display: inline-flex; width: fit-content; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; }
.zero-mark { display: grid; width: 28px; height: 28px; place-items: center; border: 1px solid var(--gold); border-radius: 50%; color: var(--gold); font: 15px var(--serif); }
.connection { display: flex; align-items: center; gap: 9px; color: var(--muted); }
.connection-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 5px rgba(188,162,101,.08); animation: pulse 1.7s ease-in-out infinite; }
.connection.live .connection-dot { background: var(--green); animation: none; }
.connection.error .connection-dot { background: var(--red); animation: none; }
.refresh { justify-self: end; border: 0; padding: 0; color: var(--muted); background: none; font: 10px var(--mono); letter-spacing: .13em; cursor: pointer; }
.refresh:hover { color: var(--ink); }
.hero { padding: 72px 5% 62px; text-align: center; }
.eyebrow { margin: 0 0 16px; color: var(--gold); font: 10px var(--mono); letter-spacing: .18em; }
h1 { margin: 0; font-size: clamp(42px, 6vw, 72px); font-weight: 400; letter-spacing: -.05em; line-height: 1.06; }
h1 em { color: #c8bfad; font-weight: 400; }
.dek { max-width: 650px; margin: 25px auto 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-right: 0; }
.metrics article { min-height: 138px; padding: 23px; border-right: 1px solid var(--line); background: rgba(30,29,24,.58); }
.metrics span, .detail-label, .history-meta { display: block; color: var(--faint); font: 9px var(--mono); letter-spacing: .14em; }
.metrics strong { display: block; margin: 17px 0 8px; font-size: 31px; font-weight: 400; letter-spacing: -.04em; }
.metrics small { color: var(--muted); font-size: 11px; font-style: italic; }
.ledger-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 18px; }
.panel { border: 1px solid var(--line); background: rgba(30,29,24,.72); }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 23px 25px; border-bottom: 1px solid var(--line); }
.panel-heading .eyebrow { margin-bottom: 9px; }
h2 { margin: 0; font-size: 24px; font-weight: 400; letter-spacing: -.025em; }
.seal { padding: 6px 9px; border: 1px solid rgba(117,133,107,.6); border-radius: 99px; color: #9baa8f; font: 8px var(--mono); letter-spacing: .13em; }
.seal.neutral { border-color: var(--line); color: var(--muted); }
.seal.no-go { border-color: rgba(155,97,85,.7); color: #c9897c; }
.panel-content { padding: 26px; }
.dataset-name, .run-name { margin: 0 0 7px; font-size: 22px; }
.dataset-version, .run-subtitle { margin: 0 0 24px; color: var(--muted); font: 11px var(--mono); }
.digest { display: flex; align-items: center; gap: 10px; padding: 13px 14px; border: 1px solid var(--line); background: rgba(0,0,0,.12); }
.digest code { min-width: 0; overflow: hidden; color: #cfc5b2; font: 10px var(--mono); text-overflow: ellipsis; white-space: nowrap; }
.copy { flex: none; border: 0; color: var(--gold); background: none; font: 8px var(--mono); letter-spacing: .12em; cursor: pointer; }
.details { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 22px; background: var(--line); }
.detail { min-width: 0; padding: 15px; background: var(--raised); }
.detail-value { display: block; margin-top: 8px; overflow: hidden; font-size: 14px; text-overflow: ellipsis; white-space: nowrap; }
.quality-line { display: flex; gap: 12px; margin-top: 20px; color: var(--muted); font-size: 11px; line-height: 1.5; }
.quality-line::before { content: ""; flex: none; width: 6px; height: 6px; margin-top: 5px; border-radius: 50%; background: var(--green); }
.chart { display: grid; gap: 10px; margin-top: 22px; }
.bar { display: grid; grid-template-columns: 92px 1fr 38px; align-items: center; gap: 10px; font: 9px var(--mono); color: var(--muted); }
.bar-track { height: 5px; overflow: hidden; background: #2b2923; }
.bar-fill { height: 100%; background: var(--gold); }
.history-panel { margin-top: 18px; }
.small-note { color: var(--faint); font: italic 11px var(--serif); }
.history-list { display: grid; }
.history-row { display: grid; grid-template-columns: minmax(220px, 1.4fr) repeat(4, minmax(90px, .6fr)); align-items: center; gap: 15px; padding: 18px 25px; border-bottom: 1px solid var(--line); }
.history-row:last-child { border-bottom: 0; }
.history-name { overflow: hidden; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.history-value { margin-top: 6px; color: var(--muted); font: 11px var(--mono); }
.loading-block, .empty, .error-message { padding: 40px 26px; color: var(--muted); font-size: 13px; font-style: italic; }
.error-message { color: #c9897c; }
footer { display: flex; justify-content: space-between; gap: 30px; padding: 28px 2px 0; color: var(--faint); font: 9px/1.7 var(--mono); letter-spacing: .06em; }
footer p { max-width: 620px; margin: 0; }
footer a { color: var(--muted); text-decoration: none; }
@keyframes pulse { 50% { opacity: .42; } }
@media (max-width: 820px) {
  .masthead { grid-template-columns: 1fr auto; }
  .connection { display: none; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .ledger-grid { grid-template-columns: 1fr; }
  .history-row { grid-template-columns: 1fr 1fr; }
  .history-row > div:first-child { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .shell { width: min(100% - 24px, 1180px); }
  .hero { padding: 54px 0 45px; }
  h1 { font-size: 42px; }
  .metrics { grid-template-columns: 1fr; }
  .metrics article { min-height: 112px; }
  .details { grid-template-columns: 1fr 1fr; }
  footer { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; } }