:root {
  --oc-bg: #070a0e;
  --oc-panel: #0d131a;
  --oc-panel-raised: #121b24;
  --oc-line: #263441;
  --oc-line-soft: #1a252f;
  --oc-text: #eef2f5;
  --oc-muted: #9ba9b7;
  --oc-faint: #6e7c8a;
  --oc-gold: #d7ae60;
  --oc-teal: #66c2b1;
  --oc-blue: #81a9e5;
  --oc-purple: #a694ff;
  --oc-red: #df8580;
  --oc-orange: #e1a064;
}

* { box-sizing: border-box; }
html { background: var(--oc-bg); scroll-behavior: smooth; }
body.onchain-page {
  min-width: 320px;
  margin: 0;
  color: var(--oc-text);
  background:
    linear-gradient(rgba(38, 52, 65, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(38, 52, 65, .06) 1px, transparent 1px),
    var(--oc-bg);
  background-size: 48px 48px;
  font-family: "Manrope", "Segoe UI", sans-serif;
}
button, a, input, select { font: inherit; }
button { color: inherit; }
button:focus-visible, a:focus-visible, select:focus-visible { outline: 2px solid var(--oc-gold); outline-offset: 3px; }
.skip-link { position: fixed; top: -4rem; left: 1rem; z-index: 50; padding: .65rem 1rem; background: var(--oc-text); color: var(--oc-bg); }
.skip-link:focus { top: 1rem; }

.onchain-announcement {
  display: flex; align-items: center; justify-content: center; gap: .9rem;
  min-height: 34px; padding: .45rem 3rem; border-bottom: 1px solid #4a3a1e;
  color: #e5c984; background: #211a0e; font-size: .72rem; letter-spacing: .01em; text-align: center;
}
.onchain-announcement button { position: absolute; right: 1rem; border: 0; background: transparent; color: var(--oc-muted); font-size: 1.2rem; cursor: pointer; }
.onchain-topbar {
  position: sticky; top: 0; z-index: 20; min-height: 70px; padding: 0 clamp(1rem, 3vw, 2.75rem);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  border-bottom: 1px solid var(--oc-line); background: rgba(7, 10, 14, .96);
}
.onchain-brand { display: flex; align-items: center; gap: .8rem; color: inherit; text-decoration: none; }
.onchain-brand span:last-child { display: grid; gap: .08rem; }
.onchain-brand small, .eyebrow, .card-kicker, .card-footer, .lab-status span, .hero-controls label span, .cohort-controls label span {
  color: var(--oc-muted); font-size: .66rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
}
.onchain-brand strong { font: 650 1rem "Outfit", sans-serif; letter-spacing: .01em; }
.onchain-mark { width: 35px; height: 39px; display: grid; place-items: center; background: var(--oc-gold); color: #14110a; font: 800 1.25rem "Outfit", sans-serif; clip-path: polygon(0 0,100% 0,100% 82%,50% 100%,0 82%); }
.onchain-nav { display: flex; align-items: center; gap: .25rem; flex-wrap: wrap; justify-content: flex-end; }
.onchain-nav a, .onchain-nav button { padding: .52rem .68rem; border: 1px solid transparent; color: var(--oc-muted); background: transparent; text-decoration: none; cursor: pointer; }
.onchain-nav a:hover, .onchain-nav button:hover, .onchain-nav .active { border-color: var(--oc-line); color: var(--oc-text); }
.onchain-nav .active { color: var(--oc-gold); }

.onchain-shell { width: min(1600px, 100%); margin: 0 auto; padding: clamp(1rem, 2.5vw, 2.5rem); }
.onchain-hero { display: flex; align-items: end; justify-content: space-between; gap: 2rem; padding: clamp(1.25rem, 3vw, 3rem) 0 1.5rem; }
.eyebrow { margin: 0 0 .5rem; color: var(--oc-gold); }
.onchain-hero h1 { max-width: 780px; margin: 0; font: 700 clamp(2.2rem, 5vw, 4.7rem)/.96 "Outfit", sans-serif; letter-spacing: -.055em; }
.hero-copy { max-width: 660px; margin: 1rem 0 0; color: var(--oc-muted); font-size: .95rem; line-height: 1.65; }
.hero-controls { display: flex; align-items: end; gap: .6rem; flex-wrap: wrap; justify-content: flex-end; }
.hero-controls label, .cohort-controls label { display: grid; gap: .35rem; }
.hero-controls select, .cohort-controls select, .dashboard-load select { min-height: 36px; padding: .45rem .65rem; border: 1px solid var(--oc-line); border-radius: 2px; color: var(--oc-text); background: var(--oc-panel); }
.button-primary { min-height: 36px; padding: .45rem .75rem; border: 1px solid var(--oc-gold); border-radius: 2px; color: #17120a; background: var(--oc-gold); cursor: pointer; font-weight: 750; }
.button-primary:hover { background: #e4c678; }
.dashboard-load { min-width: 155px; }

.lab-status { display: grid; grid-template-columns: repeat(4, minmax(120px, 1fr)) minmax(230px, 2fr); margin-bottom: 1.2rem; border: 1px solid var(--oc-line); background: var(--oc-panel); }
.lab-status > div { min-height: 70px; display: grid; align-content: center; gap: .3rem; padding: .8rem 1rem; border-right: 1px solid var(--oc-line-soft); }
.lab-status strong { font: 650 .86rem "Outfit", sans-serif; }
.lab-status .status-message { border-right: 0; color: var(--oc-teal); font-size: .78rem; }

.flagship-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.onchain-card { border: 1px solid var(--oc-line); background: var(--oc-panel); }
.flagship-card { min-width: 0; overflow: hidden; }
.card-header { display: flex; align-items: start; justify-content: space-between; gap: 1rem; min-height: 94px; padding: 1.05rem 1.15rem .85rem; border-bottom: 1px solid var(--oc-line-soft); }
.card-header h2 { margin: .27rem 0 .3rem; font: 650 clamp(1.05rem, 1.6vw, 1.35rem)/1.1 "Outfit", sans-serif; letter-spacing: -.02em; }
.card-header p { margin: 0; color: var(--oc-muted); font-size: .72rem; line-height: 1.45; }
.card-kicker { color: var(--oc-gold); }
.card-actions { display: flex; gap: .25rem; }
.card-actions button { padding: .35rem .45rem; border: 1px solid transparent; color: var(--oc-muted); background: transparent; cursor: pointer; font-size: .7rem; }
.card-actions button:hover { border-color: var(--oc-line); color: var(--oc-text); }
.card-meta { display: flex; align-items: center; justify-content: space-between; gap: .5rem; padding: .65rem 1.15rem 0; }
.range-chip, .provenance-chip { display: inline-flex; align-items: center; min-height: 24px; padding: .27rem .5rem; border: 1px solid var(--oc-line); border-radius: 2px; color: var(--oc-muted); font-size: .63rem; letter-spacing: .03em; }
.provenance-chip { border-color: #465a54; color: var(--oc-teal); }
.chart-area { min-height: 345px; width: 100%; }
.card-footer { display: flex; align-items: center; justify-content: space-between; gap: .75rem; min-height: 38px; padding: .55rem 1.15rem; border-top: 1px solid var(--oc-line-soft); font-size: .62rem; letter-spacing: .03em; text-transform: none; }
.card-footer span:first-child { color: var(--oc-teal); }
.axis-note { color: var(--oc-faint); letter-spacing: 0; text-transform: none; }
.regime-key { display: flex; align-items: center; gap: .35rem; color: var(--oc-muted); letter-spacing: 0; text-transform: none; }
.regime-dot { width: 7px; height: 7px; display: inline-block; border-radius: 50%; margin-left: .35rem; }
.regime-dot.extreme { background: #5b82e8; }.regime-dot.bear { background: #74bede; }.regime-dot.bull { background: var(--oc-teal); }.regime-dot.hot { background: var(--oc-red); }

.evidence-section, .cohort-section { margin-top: 1.2rem; padding: 1.25rem; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 1rem; }
.section-heading h2 { margin: .25rem 0 0; font: 650 clamp(1.35rem, 2vw, 2rem) "Outfit", sans-serif; letter-spacing: -.03em; }
.section-heading > p { max-width: 600px; margin: 0; color: var(--oc-muted); font-size: .78rem; line-height: 1.5; }
.evidence-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--oc-line); border-left: 1px solid var(--oc-line); }
.evidence-item { min-height: 100px; display: grid; align-content: space-between; gap: .6rem; padding: .85rem; border-right: 1px solid var(--oc-line); border-bottom: 1px solid var(--oc-line); background: transparent; text-align: left; cursor: pointer; }
.evidence-item:hover { background: var(--oc-panel-raised); }
.evidence-item strong { font: 650 .82rem "Outfit", sans-serif; }.evidence-item small { color: var(--oc-muted); font-size: .68rem; }.evidence-value { color: var(--oc-gold); font: 700 1.05rem "Outfit", sans-serif; }
.cohort-controls { display: flex; align-items: end; gap: .65rem; }
.cohort-chart { min-height: 430px; width: 100%; }
.library-section { margin-top: 1.2rem; padding: 1.25rem; }
.library-controls { display: flex; align-items: end; gap: .65rem; }
.library-controls input { min-width: 240px; min-height: 36px; padding: .45rem .65rem; border: 1px solid var(--oc-line); border-radius: 2px; color: var(--oc-text); background: var(--oc-panel); }
.library-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.library-card { min-width: 0; border: 1px solid var(--oc-line-soft); background: var(--oc-panel-raised); }
.library-card .card-header { min-height: 0; padding: .8rem 1rem .6rem; }
.library-card .card-header p { font-size: .68rem; overflow-wrap: anywhere; }
.library-card .chart-area { min-height: 250px; }
.library-card .card-footer { min-height: 32px; padding: .45rem 1rem; }
.library-card .units-chip { border-color: #3d4a58; color: var(--oc-blue); }
@media (max-width: 980px) { .library-grid { grid-template-columns: minmax(0, 1fr); } .library-controls input { min-width: 0; width: 100%; } .library-controls { width: 100%; flex-direction: column; align-items: stretch; } }
.cohort-note { margin: .75rem 0 0; color: var(--oc-faint); font-size: .7rem; }
.provenance-dialog { max-width: 520px; border: 1px solid var(--oc-line); color: var(--oc-text); background: var(--oc-panel-raised); }
.provenance-dialog::backdrop { background: rgba(0,0,0,.7); }.provenance-dialog > div { padding: 1.5rem; }.provenance-dialog h2 { margin-top: 0; font: 650 1.35rem "Outfit", sans-serif; }.provenance-dialog button { padding: .5rem .75rem; border: 1px solid var(--oc-line); background: transparent; color: var(--oc-text); cursor: pointer; }

@media (max-width: 980px) {
  .onchain-hero { align-items: start; flex-direction: column; }.hero-controls { justify-content: start; }
  .lab-status { grid-template-columns: repeat(2, 1fr); }.lab-status > div:nth-child(2) { border-right: 0; }.lab-status .status-message { grid-column: 1 / -1; border-top: 1px solid var(--oc-line-soft); }
  .evidence-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 700px) {
  .onchain-nav { display: none; }.onchain-topbar { min-height: 58px; }.flagship-grid { grid-template-columns: 1fr; }.chart-area { min-height: 310px; }.card-header { min-height: 0; }.card-footer { align-items: start; flex-direction: column; }.section-heading { align-items: start; flex-direction: column; gap: .75rem; }.cohort-controls { align-items: start; flex-direction: column; }.evidence-grid { grid-template-columns: 1fr; }.lab-status { grid-template-columns: 1fr 1fr; }.onchain-shell { padding: .85rem; }.onchain-hero h1 { font-size: 2.5rem; }
}