.product-body {
  --surface: rgba(238, 234, 224, .92);
  --surface-solid: #eeeae0;
  --ink-soft: #45483f;
  --rule: rgba(16, 18, 15, .28);
  min-height: 100vh;
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(16, 18, 15, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 18, 15, .045) 1px, transparent 1px);
  background-size: 72px 72px;
}

.product-body button,
.product-body input,
.product-body select { font: inherit; }

.product-header {
  grid-template-columns: 1fr auto auto;
  gap: 36px;
  border-bottom-color: var(--ink);
}

.product-nav { display: flex; align-items: center; gap: 4px; }
.product-nav a {
  min-height: 38px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  border: 1px solid transparent;
  color: inherit;
  text-decoration: none;
  font: 500 10px var(--mono);
  letter-spacing: .08em;
  transition: background-color .18s, border-color .18s;
}
.product-nav a:hover { border-color: var(--rule); }
.product-nav a[aria-current="page"] { border-color: var(--ink); background: var(--acid); }
.account-tools { display: flex; align-items: center; gap: 18px; }
.account-email { max-width: 220px; overflow: hidden; color: var(--muted); font: 10px var(--mono); text-overflow: ellipsis; white-space: nowrap; }
.text-button { padding: 5px 0; border: 0; border-bottom: 1px solid currentColor; background: transparent; color: inherit; font: 500 10px var(--mono); letter-spacing: .065em; cursor: pointer; }
.text-button:hover { color: var(--orange); }

.product-main {
  width: min(100%, 1680px);
  min-height: calc(100vh - 76px);
  margin-inline: auto;
  padding: 52px clamp(24px, 4vw, 72px) 110px;
}

.product-intro {
  min-height: 250px;
  padding: 28px 0 36px;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, .55fr);
  gap: clamp(48px, 9vw, 140px);
  align-items: end;
  border-bottom: 2px solid var(--ink);
}
.product-kicker,
.control-kicker { margin: 0 0 14px; color: var(--orange); font: 500 10px var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.product-intro h1 { max-width: 950px; margin: 0; font-size: clamp(52px, 6.2vw, 92px); line-height: .9; }
.product-intro h1 em { color: var(--green); }
.intro-note { max-width: 480px; margin: 0; color: var(--ink-soft); font-size: clamp(15px, 1.15vw, 18px); line-height: 1.62; }
.tier-readout { display: inline-flex; margin-top: 20px; padding: 8px 10px; border: 1px solid var(--ink); background: var(--acid); font: 500 10px var(--mono); letter-spacing: .075em; text-transform: uppercase; }

.watchlist-tools {
  padding: 26px 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: end;
  border-bottom: 1px solid var(--ink);
}
.watchlist-tools .control-kicker { margin-bottom: 6px; color: var(--muted); font-size: 9px; }
.watchlist-tools h2 { margin: 0; font-size: 25px; line-height: 1; letter-spacing: -.045em; }
.watchlist-actions { display: grid; justify-items: end; }
.watchlist-controls { align-items: flex-end; }
.watchlist-controls #add-all-champions { min-height: 44px; }
.watchlist-actions .inline-message { width: 100%; margin: 8px 0 0; text-align: right; }
.pair-form { display: flex; align-items: end; gap: 8px; }
.compact-field { display: grid; gap: 7px; }
.compact-field label { color: var(--muted); font: 500 9px var(--mono); letter-spacing: .08em; }
.compact-field input,
.compact-field select {
  height: 44px;
  min-width: 128px;
  padding: 0 12px;
  border: 1px solid var(--ink);
  border-radius: 0;
  outline: 0;
  background: var(--surface-solid);
  color: var(--ink);
  font: 500 13px var(--mono);
}
.compact-field input:focus,
.compact-field select:focus { box-shadow: 0 0 0 3px var(--acid); }
.solid-button { min-height: 44px; padding: 0 17px; border: 1px solid var(--ink); background: var(--ink); color: var(--acid); font: 500 10px var(--mono); letter-spacing: .065em; cursor: pointer; transition: background-color .18s, color .18s; }
.solid-button:hover { background: var(--orange); color: var(--ink); }
.solid-button:disabled { opacity: .55; cursor: wait; }

.inline-message { min-height: 20px; margin: 13px 0 0; color: var(--muted); font: 10px/1.5 var(--mono); }
.inline-message.error { color: var(--orange); }
.loading-state,
.empty-state { padding: 48px 18px; border-bottom: 1px solid var(--ink); color: var(--muted); font: 10px/1.5 var(--mono); letter-spacing: .055em; }
.saved-pairs { border-left: 1px solid var(--ink); }
.saved-pair { min-height: 62px; padding: 0 18px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); background: var(--surface); }
.saved-pair span { font: 500 12px var(--mono); }

.signal-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; padding-top: 12px; }
.signal-card {
  position: relative;
  min-height: 370px;
  padding: 25px 26px 22px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--ink);
  background: var(--surface);
  box-shadow: 6px 6px 0 rgba(16, 18, 15, .12);
  overflow: hidden;
}
.signal-card::after { content: ""; position: absolute; right: -66px; bottom: -82px; width: 220px; height: 220px; border: 1px solid currentColor; border-radius: 50%; opacity: .13; }
.signal-card.long { background: var(--acid); }
.signal-card.short { background: var(--orange); }
.signal-card.flat,
.signal-card.no-signal { background: var(--paper-deep); }
.signal-head { position: relative; z-index: 1; display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.signal-pair { font: 500 clamp(20px, 2vw, 27px) var(--mono); letter-spacing: -.035em; }
.signal-interval { padding: 6px 8px; border: 1px solid currentColor; font: 500 9px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.decision-label { position: relative; z-index: 1; margin-top: auto; padding-top: 46px; font: 500 9px var(--mono); letter-spacing: .11em; }
.stance { position: relative; z-index: 1; margin: 8px 0 20px; font-size: clamp(62px, 6.2vw, 96px); font-weight: 600; letter-spacing: -.075em; line-height: .82; }
.no-signal .stance { max-width: 560px; font-size: clamp(38px, 4vw, 62px); line-height: .92; }
.signal-time { position: relative; z-index: 1; display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; font-family: var(--mono); }
.signal-age { padding: 6px 8px; background: var(--ink); color: var(--paper); font-size: 10px; font-weight: 500; letter-spacing: .06em; }
.long .signal-age { color: var(--acid); }
.short .signal-age { color: var(--orange); }
.signal-time span { color: var(--ink-soft); font-size: 9px; }
.signal-meta { position: relative; z-index: 1; margin-top: 18px; padding-top: 15px; display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid currentColor; font: 500 10px/1.5 var(--mono); }
.signal-meta a { color: inherit; text-underline-offset: 4px; }
.remove-pair { position: relative; z-index: 2; margin-top: 16px; align-self: flex-start; opacity: .72; }

.founder-banner { margin-bottom: 28px; padding: 22px 26px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border: 1px solid var(--ink); background: var(--acid); box-shadow: 8px 8px 0 var(--paper-deep); }
.founder-banner-copy span { display: block; margin-bottom: 6px; font: 700 9px var(--mono); letter-spacing: .1em; }
.founder-banner-copy strong { display: block; font-size: clamp(20px, 2.4vw, 28px); line-height: 1.15; }
.founder-banner-copy p { max-width: 54em; margin: 8px 0 0; font-size: 14px; line-height: 1.55; }
.founder-banner button { flex: none; min-height: 42px; padding: 0 16px; border: 1px solid var(--ink); background: var(--ink); color: var(--acid); font: 500 10px var(--mono); cursor: pointer; }
.founder-upgrade-banner { background: var(--paper); }
.founder-upgrade-banner button { background: var(--orange); color: var(--ink); }
#founder-upgrade .inline-message { margin: -18px 0 28px; }

.paywall { margin-top: 36px; border: 1px solid var(--ink); background: var(--surface-solid); box-shadow: 12px 12px 0 var(--paper-deep); }
.paywall-copy { padding: 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 5vw; border-bottom: 1px solid var(--ink); }
.paywall-copy h2 { font-size: clamp(38px, 4.7vw, 68px); }
.paywall-copy p { align-self: end; margin: 0; color: var(--ink-soft); font-size: 15px; line-height: 1.65; }
.plan-grid { display: grid; grid-template-columns: 1fr 1fr; }
.plan { min-height: 280px; padding: 26px; display: flex; flex-direction: column; }
.plan + .plan { border-left: 1px solid var(--ink); background: var(--ink); color: var(--paper); }
.plan-label { font: 500 10px var(--mono); letter-spacing: .09em; }
.plan-price { margin: 32px 0 14px; font-size: clamp(52px, 6vw, 82px); font-weight: 500; letter-spacing: -.07em; }
.plan-price small { font: 10px var(--mono); letter-spacing: 0; }
.plan p { margin: 0 0 25px; color: var(--muted); font-size: 14px; line-height: 1.6; }
.plan button { margin-top: auto; }
.plan + .plan button { background: var(--acid); color: var(--ink); }
.billing-message { margin: 0; padding: 16px 30px; font: 10px var(--mono); }

.section-head,
.catalog-toolbar,
.data-section-head { display: flex; align-items: end; justify-content: space-between; gap: 44px; }
.section-head { padding: 72px 0 24px; border-bottom: 2px solid var(--ink); }
.section-head .product-kicker,
.catalog-toolbar .product-kicker { margin-bottom: 10px; }
.section-head h2,
.catalog-toolbar h2,
.data-section-head h2,
.model-panel-head h2 { margin: 0; font-size: clamp(34px, 4.2vw, 62px); }
.section-summary { max-width: 620px; margin: 12px 0 0; color: var(--ink-soft); font-size: 14px; line-height: 1.55; }
.model-picks-section { margin-top: 16px; }
.pick-usage { flex: none; padding: 10px 12px; border: 1px solid var(--ink); background: var(--acid); font: 500 10px var(--mono); letter-spacing: .075em; }
.pick-usage-row { display: flex; align-items: center; justify-content: flex-end; gap: 14px; flex-wrap: wrap; }
#add-all-champions { padding: 10px 12px; border: 1px solid var(--ink); }
.now-pick-usage { margin-top: 12px; }

.model-pick-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; padding-top: 10px; }
.model-pick-card { min-width: 0; min-height: 350px; padding: 21px; display: flex; flex-direction: column; border: 1px solid var(--ink); background: var(--surface); }
.model-pick-card.long { background: var(--acid); }
.model-pick-card.short { background: var(--orange); }
.model-pick-card.flat { background: var(--paper-deep); }
.model-pick-card.no-signal { background: var(--surface); }
.model-pick-card.invalid { background: #f4b09e; }
.model-pick-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.model-pick-id { font: 500 11px var(--mono); letter-spacing: .05em; }
.model-pick-pair { margin-top: 7px; color: var(--ink-soft); font: 10px/1.5 var(--mono); text-transform: uppercase; }
.model-pick-stance { margin: auto 0 18px; font-size: clamp(46px, 4.6vw, 68px); font-weight: 600; letter-spacing: -.07em; line-height: .86; }
.model-pick-meta { display: grid; gap: 8px; padding-top: 15px; border-top: 1px solid currentColor; font: 9px/1.45 var(--mono); }
.model-pick-meta span { display: flex; justify-content: space-between; gap: 12px; }
.model-pick-meta b { color: var(--ink-soft); font-weight: 400; }
.marketplace-disclosure { margin-top: 12px; padding-top: 10px; border-top: 1px dashed currentColor; color: var(--ink-soft); font: 8px/1.5 var(--mono); letter-spacing: .025em; }
.marketplace-disclosure p { margin: 0; }
.marketplace-disclosure p + p { margin-top: 5px; }
.model-pick-actions { margin-top: 20px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.model-detail-link { color: inherit; font: 500 9px var(--mono); letter-spacing: .06em; text-underline-offset: 4px; white-space: nowrap; }
.model-detail-link:hover { color: var(--orange); }

.gate-warning { margin: 15px 0 0; padding: 11px 12px; border: 1px solid var(--ink); background: var(--orange); font: 500 9px/1.5 var(--mono); letter-spacing: .05em; }
.gate-badge,
.champion-badge { width: max-content; padding: 6px 8px; display: inline-flex; align-items: center; border: 1px solid var(--ink); font: 500 9px var(--mono); letter-spacing: .055em; white-space: nowrap; }
.gate-badge.pass { background: var(--acid); }
.gate-badge.fail { background: #f4b09e; }
.champion-badge { background: var(--ink); color: var(--acid); }

.data-section { padding-top: 58px; }
.data-section-head { padding-bottom: 22px; border-bottom: 2px solid var(--ink); }
.data-section-head .product-kicker { margin-bottom: 10px; }
.data-section-head > p { max-width: 500px; margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.55; }
.activity-feed { padding-top: 10px; display: grid; gap: 7px; }
.activity-row { min-height: 112px; padding: 18px 20px; display: grid; grid-template-columns: minmax(190px, 1fr) minmax(160px, .8fr) minmax(140px, .65fr) minmax(190px, .85fr); gap: 26px; align-items: center; border: 1px solid var(--rule); background: var(--surface); }
.activity-row:first-child { border-color: var(--ink); box-shadow: inset 5px 0 0 var(--acid); }
.activity-cell { min-width: 0; display: grid; gap: 8px; }
.activity-cell-label { color: var(--muted); font: 500 8px var(--mono); letter-spacing: .09em; }
.activity-row time { color: var(--ink-soft); font: 10px/1.5 var(--mono); }
.activity-pair { font: 500 15px var(--mono); }
.activity-stance { font-size: clamp(29px, 3vw, 45px); font-weight: 600; letter-spacing: -.06em; line-height: .9; }
.activity-stance.long { color: var(--green); }
.activity-stance.short { color: var(--orange); }
.activity-price { font: 500 13px var(--mono); }
.signal-history-row { min-height: 92px; }
.signal-history-row .activity-stance { font-size: clamp(25px, 2.4vw, 37px); }
.signal-history-change.positive { color: var(--green); }
.signal-history-change.negative { color: var(--orange); }

.evidence-board { padding-top: 10px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.evidence-field { min-height: 175px; padding: 20px; display: flex; flex-direction: column; border: 1px solid var(--rule); background: var(--surface); }
.evidence-field span { color: var(--muted); font: 500 9px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.evidence-field strong { margin-top: auto; overflow-wrap: anywhere; font: 500 clamp(22px, 2.3vw, 36px)/1.05 var(--mono); letter-spacing: -.05em; }
.evidence-field.accent { border-color: var(--ink); background: var(--acid); box-shadow: inset 0 5px 0 var(--ink); }

.marketplace-picks { margin-top: 0; }
.catalog-section { padding-top: 84px; }
.catalog-toolbar { padding-bottom: 24px; border-bottom: 2px solid var(--ink); }
.catalog-count { margin: 16px 0 0; color: var(--green); font: 500 10px/1.5 var(--mono); letter-spacing: .04em; }
.validation-filter { min-height: 48px; padding: 0 15px; display: inline-flex; align-items: center; gap: 10px; border: 1px solid var(--ink); background: var(--surface-solid); cursor: pointer; font: 500 10px var(--mono); letter-spacing: .055em; }
.validation-filter input { width: 18px; height: 18px; margin: 0; accent-color: var(--green); }
.model-table-wrap { margin-top: 10px; overflow: auto; max-height: min(70vh, 760px); border: 1px solid var(--ink); }
.model-table { width: 100%; min-width: 1740px; border-collapse: separate; border-spacing: 0; background: var(--surface-solid); font-family: var(--mono); }
.model-table th,
.model-table td { padding: 14px 12px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); text-align: left; vertical-align: middle; }
.model-table th { position: sticky; z-index: 3; top: 0; background: var(--ink); color: var(--paper); font-size: 9px; font-weight: 500; letter-spacing: .055em; }
.model-table th button { padding: 0; border: 0; background: transparent; color: inherit; cursor: pointer; font: inherit; letter-spacing: inherit; }
.model-table th button:hover,
.model-table th button.active { color: var(--acid); }
.model-table td { font-size: 10px; }
.model-table td:first-child { font-size: 12px; font-weight: 500; }
.model-table td:nth-child(3) { max-width: 200px; overflow-wrap: anywhere; }
.model-table .return-cell { font-weight: 600; white-space: nowrap; }
.model-table tr:hover td { background: rgba(214, 255, 71, .18); }
.model-table tr.invalid-model td { background: rgba(244, 176, 158, .22); }
.model-table .solid-button { min-height: 34px; padding-inline: 11px; }
.model-table .picked-button { background: var(--acid); color: var(--ink); opacity: 1; cursor: default; }
.model-table-actions { display: flex; align-items: center; justify-content: space-between; gap: 13px; }
.table-empty { height: 110px; color: var(--muted); text-align: center !important; }
.catalog-pagination { min-height: 65px; padding: 0 14px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); border-left: 1px solid var(--ink); font: 10px var(--mono); }
.catalog-pagination > div { display: flex; gap: 20px; }
.catalog-pagination button:disabled { opacity: .35; cursor: default; }
.catalog-disclosure { margin-top: 12px; }
.marketplace-paywall { margin-bottom: 40px; }
.marketplace-plan-grid { grid-template-columns: 1fr; }
.marketplace-plan-grid .plan { min-height: 310px; }
.marketplace-plan-grid .plan-price { color: var(--orange); }

.risk-dialog { width: min(620px, calc(100vw - 32px)); padding: 0; border: 1px solid var(--ink); border-radius: 0; background: var(--paper); color: var(--ink); box-shadow: 18px 20px 0 rgba(16, 18, 15, .35); }
.risk-dialog::backdrop { background: rgba(16, 18, 15, .72); backdrop-filter: blur(3px); }
.risk-dialog-head { min-height: 52px; padding: 0 18px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--ink); background: var(--orange); font: 500 10px var(--mono); letter-spacing: .08em; }
.risk-dialog-body { padding: 30px; }
.risk-dialog-body h2 { margin: 24px 0 17px; font-size: clamp(36px, 5vw, 58px); }
.risk-dialog-body > p { max-width: 510px; color: var(--ink-soft); line-height: 1.65; }
.risk-model { padding: 12px; border: 1px solid var(--ink); font: 500 10px var(--mono); }
.risk-dialog-actions { margin-top: 29px; display: flex; align-items: center; justify-content: flex-end; gap: 22px; }
.risk-confirm { background: var(--orange); color: var(--ink); }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.model-detail-head { padding: 40px 0 30px; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 42px; align-items: end; border-bottom: 2px solid var(--ink); }
.model-detail-identity .product-kicker { margin-bottom: 12px; }
.model-detail-identity h2 { margin: 0; font-size: clamp(48px, 6vw, 86px); line-height: .88; letter-spacing: -.065em; }
.model-family { margin: 15px 0 0; color: var(--green); font: 500 clamp(14px, 1.8vw, 22px)/1.35 var(--mono); overflow-wrap: anywhere; }
.model-detail-status { max-width: 390px; display: flex; align-items: flex-end; justify-content: flex-end; gap: 9px; flex-wrap: wrap; }
.model-followers { flex-basis: 100%; margin: 8px 0 0; color: var(--muted); font: 10px/1.5 var(--mono); text-align: right; }
.model-panel { padding-top: 72px; }
.model-panel-head { padding-bottom: 22px; display: flex; align-items: end; justify-content: space-between; gap: 32px; border-bottom: 2px solid var(--ink); }
.model-panel-head .product-kicker { margin: 0; }
.model-stats-board,
.model-evidence-board { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.hyperparam-list { margin: 10px 0 0; border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.hyperparam-row { min-height: 68px; display: grid; grid-template-columns: minmax(180px, .3fr) minmax(0, 1fr); border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); background: var(--surface); }
.hyperparam-row dt,
.hyperparam-row dd { margin: 0; padding: 17px 19px; overflow-wrap: anywhere; font: 11px/1.55 var(--mono); }
.hyperparam-row dt { border-right: 1px solid var(--ink); color: var(--orange); font-weight: 500; letter-spacing: .05em; }
.model-evidence-empty { margin-top: 10px; border: 1px solid var(--ink); background: var(--paper-deep); }
.forward-stats-panel .model-panel-head { border-bottom-color: var(--acid); }
.forward-stats-panel .model-panel-head .product-kicker { color: var(--acid); }
.forward-disclosure { color: var(--app-muted); }
.signal-chart-frame { margin-top: 10px; padding: 18px; overflow: hidden; border: 1px solid var(--ink); background: var(--surface); }
.signal-chart { width: 100%; height: clamp(220px, 28vw, 360px); display: block; }
.signal-chart-gridline { stroke: var(--rule); stroke-width: 1; vector-effect: non-scaling-stroke; }
.signal-chart-segment { fill: none; stroke-width: 3; stroke-linecap: square; stroke-linejoin: miter; vector-effect: non-scaling-stroke; }
.signal-chart-segment.long { stroke: var(--green); }
.signal-chart-segment.short { stroke: var(--orange); }
.signal-chart-segment.flat { stroke: var(--ink-soft); }
.signal-chart-point { stroke: var(--surface-solid); stroke-width: 2; vector-effect: non-scaling-stroke; }
.signal-chart-point.long { fill: var(--green); }
.signal-chart-point.short { fill: var(--orange); }
.signal-chart-point.flat { fill: var(--ink-soft); }
.signal-chart-label { fill: var(--muted); font: 500 16px var(--mono); letter-spacing: .04em; }
.signal-chart-label.end { text-anchor: end; }

.guide-section { padding-top: 84px; }
.guide-flow { margin: 10px 0 0; padding: 0; display: grid; list-style: none; }
.guide-step { position: relative; min-height: 132px; padding: 22px 24px 22px 92px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); border-left: 1px solid var(--rule); background: var(--surface); }
.guide-step:first-child { border-top: 1px solid var(--ink); }
.guide-step::before { content: ""; position: absolute; top: 64px; bottom: -25px; left: 46px; width: 1px; background: var(--ink); }
.guide-step:last-child::before { display: none; }
.guide-step:nth-child(even) { background: var(--paper-deep); }
.guide-step-number { position: absolute; top: 22px; left: 24px; width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--ink); border-radius: 50%; background: var(--acid); font: 500 10px var(--mono); letter-spacing: .04em; }
.guide-step h3 { margin: 0; font-size: clamp(24px, 2.4vw, 36px); letter-spacing: -.045em; }
.guide-step p { max-width: 760px; margin: 10px 0 0; color: var(--ink-soft); font-size: 14px; line-height: 1.6; }
.model-anatomy-layout { padding-top: 10px; display: grid; grid-template-columns: minmax(320px, .8fr) minmax(0, 1.2fr); gap: 10px; align-items: stretch; }
.guide-model-card { min-height: 470px; }
.guide-model-card .guide-marker { flex: none; width: 19px; height: 19px; display: inline-grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; background: var(--surface-solid); color: var(--ink); font: 500 9px/1 var(--mono); letter-spacing: 0; vertical-align: middle; }
.model-pick-stance .guide-marker { margin-right: 7px; transform: translateY(-8px); }
.guide-callouts { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); list-style: none; }
.guide-callouts li { min-height: 94px; padding: 15px; display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 11px; align-items: start; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); background: var(--surface); }
.guide-callouts li > span { width: 24px; height: 24px; display: grid; place-items: center; border: 1px solid var(--ink); border-radius: 50%; background: var(--acid); font: 500 9px var(--mono); }
.guide-callouts p { margin: 1px 0 0; color: var(--ink-soft); font-size: 12px; line-height: 1.5; }
.guide-callouts strong { display: block; margin-bottom: 3px; color: var(--ink); font: 500 9px var(--mono); letter-spacing: .05em; }
.guide-glossary { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.guide-glossary .evidence-field { min-height: 190px; }
.guide-glossary p { margin: auto 0 0; color: var(--ink-soft); font-size: 13px; line-height: 1.55; }

.login-body { display: grid; grid-template-columns: 1fr 1fr; min-height: 100vh; }
.login-story { position: relative; min-height: 100vh; padding: 48px 4vw; display: flex; flex-direction: column; background: var(--ink); color: var(--paper); overflow: hidden; }
.login-story::after { content: ""; position: absolute; width: 60vw; height: 18vw; left: -8vw; bottom: 9vw; border: 1px solid var(--acid); border-radius: 50%; transform: rotate(-16deg); opacity: .42; }
.login-story .brand { position: relative; z-index: 1; align-self: flex-start; }
.login-story-copy { position: relative; z-index: 1; margin-top: auto; max-width: 700px; }
.login-story-copy p { color: var(--acid); font: 500 10px var(--mono); letter-spacing: .1em; }
.login-story-copy h1 { margin: 24px 0 28px; font-size: clamp(57px, 7vw, 112px); }
.login-story-copy h1 em { color: var(--orange); }
.login-story-copy small { display: block; max-width: 480px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.login-panel { min-height: 100vh; padding: 48px 7vw; display: flex; align-items: center; background: var(--paper); }
.auth-shell { width: 100%; max-width: 520px; }
.auth-shell > p:first-child { color: var(--orange); font: 500 9px var(--mono); letter-spacing: .1em; }
.auth-shell h2 { margin: 22px 0 12px; font-size: clamp(43px, 5vw, 70px); }
.auth-subtitle { margin: 0 0 42px; color: var(--muted); line-height: 1.65; }
.auth-form { display: grid; gap: 24px; }
.auth-field { display: grid; gap: 9px; }
.auth-field label { font: 500 9px var(--mono); letter-spacing: .09em; }
.auth-field input { width: 100%; height: 58px; padding: 0 15px; border: 1px solid var(--ink); border-radius: 0; outline: 0; background: transparent; color: var(--ink); font-size: 17px; }
.auth-field input:focus { box-shadow: 5px 5px 0 var(--acid); }
.auth-submit { min-height: 60px; margin-top: 7px; }
.auth-switch { margin: 27px 0 0; color: var(--muted); font-size: 13px; }
.auth-switch button { margin-left: 7px; color: var(--ink); }
.auth-message { min-height: 22px; margin: 19px 0 0; color: var(--muted); font: 9px/1.5 var(--mono); }
.auth-message.error { color: var(--orange); }

[hidden] { display: none !important; }

@media (max-width: 1100px) {
  .evidence-board { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .model-pick-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .model-anatomy-layout { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .product-header { height: auto; min-height: 76px; padding-top: 12px; grid-template-columns: 1fr auto; }
  .product-nav { order: 3; grid-column: 1 / -1; justify-content: center; padding-bottom: 8px; }
  .account-email { display: none; }
  .product-main { padding-top: 34px; }
  .product-intro { grid-template-columns: 1fr; gap: 28px; }
  .watchlist-tools { grid-template-columns: 1fr; }
  .watchlist-actions { justify-items: stretch; }
  .watchlist-controls { justify-content: flex-start; }
  .watchlist-actions .inline-message { text-align: left; }
  .signal-grid { grid-template-columns: 1fr; }
  .activity-row { grid-template-columns: 1.2fr 1fr 1fr; }
  .activity-time { grid-column: 1 / -1; grid-row: 2; padding-top: 12px; border-top: 1px solid var(--rule); }
  .activity-time { display: flex; align-items: center; justify-content: space-between; }
  .model-detail-head { grid-template-columns: 1fr; }
  .model-detail-status { justify-content: flex-start; }
  .model-followers { text-align: left; }
  .guide-callouts { grid-template-columns: 1fr; }
  .login-body { grid-template-columns: 1fr; }
  .login-story { min-height: 46vh; }
  .login-panel { min-height: 54vh; }
}

@media (max-width: 680px) {
  .product-header { padding-inline: 16px; }
  .product-header .brand { font-size: 12px; }
  .product-nav { overflow-x: auto; justify-content: flex-start; }
  .product-nav a { min-height: 34px; padding-inline: 10px; }
  .product-main { padding: 30px 18px 76px; }
  .product-intro { min-height: 0; padding-top: 18px; }
  .product-intro h1 { font-size: clamp(48px, 15vw, 66px); }
  .watchlist-controls { align-items: stretch; flex-direction: column; }
  .pair-form { display: grid; grid-template-columns: 1fr 1fr; }
  .compact-field select { width: 100%; min-width: 0; }
  .pair-form .solid-button { grid-column: 1 / -1; }
  .signal-card { min-height: 330px; padding: 21px; }
  .stance { font-size: clamp(58px, 20vw, 90px); }
  .signal-meta { align-items: flex-start; flex-direction: column; gap: 9px; }
  .paywall-copy,
  .plan-grid { grid-template-columns: 1fr; }
  .plan + .plan { border-top: 1px solid var(--ink); border-left: 0; }
  .section-head,
  .catalog-toolbar,
  .data-section-head,
  .model-panel-head { align-items: flex-start; flex-direction: column; }
  .pick-usage-row { justify-content: flex-start; }
  .model-pick-grid { grid-template-columns: 1fr; }
  .activity-row { padding: 18px; grid-template-columns: 1fr 1fr; gap: 20px; }
  .activity-row .activity-cell:first-child { grid-column: 1 / -1; }
  .activity-reference { text-align: right; }
  .activity-time { grid-column: 1 / -1; }
  .evidence-board,
  .model-stats-board,
  .model-evidence-board { grid-template-columns: 1fr 1fr; }
  .evidence-field { min-height: 145px; }
  .hyperparam-row { grid-template-columns: 1fr; }
  .hyperparam-row dt { border-right: 0; border-bottom: 1px solid var(--ink); }
  .validation-filter { width: 100%; }
  .risk-dialog-body { padding: 22px; }
  .risk-dialog-actions { align-items: stretch; flex-direction: column-reverse; }
  .risk-dialog-actions button { width: 100%; min-height: 42px; }
  .founder-banner { align-items: flex-start; flex-direction: column; }
  .guide-section { padding-top: 66px; }
  .guide-step { padding-right: 18px; padding-left: 76px; }
  .guide-step-number { left: 16px; }
  .guide-step::before { left: 38px; }
  .login-story { min-height: 42vh; padding: 30px 20px; }
  .login-story-copy h1 { font-size: 51px; }
  .login-panel { min-height: 58vh; padding: 55px 20px; }
}

@media (max-width: 430px) {
  .account-tools { gap: 7px; }
  .evidence-board,
  .model-stats-board,
  .model-evidence-board { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .product-body * { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}

/* Authenticated command center */
.product-body {
  --app-bg: #050704;
  --app-panel: #0b0e0a;
  --app-panel-raised: #11150f;
  --app-panel-soft: #171c14;
  --app-text: #f2f2e8;
  --app-muted: #92998b;
  --app-rule: rgba(214, 255, 71, .17);
  --app-rule-strong: rgba(214, 255, 71, .46);
  color-scheme: dark;
  color: var(--app-text);
  background-color: var(--app-bg);
  background-image:
    radial-gradient(circle at 82% 8%, rgba(214, 255, 71, .08), transparent 28rem),
    linear-gradient(rgba(214, 255, 71, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(214, 255, 71, .035) 1px, transparent 1px);
  background-size: auto, 72px 72px, 72px 72px;
}

.product-body .grain { opacity: .025; }

.product-header {
  position: fixed;
  inset: 0 auto 0 0;
  width: 232px;
  height: 100vh;
  padding: 28px 20px 22px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  border: 0;
  border-right: 1px solid var(--app-rule);
  background: rgba(5, 7, 4, .9);
  color: var(--app-text);
  backdrop-filter: blur(18px) saturate(.8);
  -webkit-backdrop-filter: blur(18px) saturate(.8);
}

.product-header .brand { min-height: 44px; color: var(--app-text); }
.product-header .brand-mark { border-color: var(--acid); }
.product-header .brand-mark svg,
.login-story .brand-mark svg { color: var(--acid); filter: drop-shadow(0 0 4px rgba(214, 255, 71, .58)); }
.login-story .brand-mark { border-color: var(--acid); }
.product-nav { margin-top: 64px; display: grid; align-items: stretch; gap: 5px; }
.product-nav-label { margin: 0 11px 8px; color: #5f675a; font: 500 8px var(--mono); letter-spacing: .15em; }
.product-nav-label-secondary { margin-top: 26px; }
.product-nav a {
  min-height: 43px;
  padding: 0 12px;
  justify-content: space-between;
  border: 1px solid transparent;
  color: var(--app-muted);
  font-size: 10px;
  transition: color .18s, background-color .18s, border-color .18s, transform .18s;
}
.product-nav a::after { content: "↗"; opacity: 0; transform: translate(-5px, 4px); transition: opacity .18s, transform .18s; }
.product-nav a:hover { border-color: var(--app-rule); color: var(--app-text); transform: translateX(2px); }
.product-nav a:hover::after { opacity: .55; transform: none; }
.product-nav a[aria-current="page"] { border-color: var(--acid); background: var(--acid); color: #080a07; }
.product-nav a[aria-current="page"]::after { opacity: 1; transform: none; }
.account-tools { margin-top: auto; padding: 18px 10px 0; display: grid; gap: 12px; border-top: 1px solid var(--app-rule); }
.account-email { max-width: 100%; color: var(--app-muted); }
.account-tools .text-button { width: max-content; color: var(--app-text); }

.product-main {
  width: auto;
  max-width: 1680px;
  min-height: 100vh;
  margin: 0 0 0 232px;
  padding: 44px clamp(28px, 4vw, 72px) 100px;
}
.product-intro {
  min-height: 190px;
  padding: 18px 0 34px;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, .55fr);
  gap: clamp(36px, 7vw, 100px);
  border-bottom: 1px solid var(--app-rule-strong);
}
.product-intro h1 { max-width: 760px; font-size: clamp(48px, 5vw, 76px); line-height: .91; }
.product-intro h1 em { color: var(--acid); }
.product-kicker,
.control-kicker { color: var(--acid); }
.intro-note,
.section-summary,
.data-section-head > p { color: var(--app-muted); }
.tier-readout { border-color: var(--app-rule-strong); background: var(--app-panel-raised); color: var(--acid); }

.watchlist-tools,
.section-head,
.catalog-toolbar,
.data-section-head,
.model-panel-head,
.model-detail-head { border-color: var(--app-rule-strong); }
.watchlist-tools { padding-block: 22px; }
.watchlist-tools .control-kicker { color: var(--app-muted); }
.watchlist-tools h2 { font-size: 27px; }
.compact-field label,
.inline-message,
.loading-state,
.empty-state { color: var(--app-muted); }
.compact-field input,
.compact-field select,
.catalog-search input {
  border-color: var(--app-rule-strong);
  background: var(--app-panel);
  color: var(--app-text);
}
.compact-field input:focus,
.compact-field select:focus,
.catalog-search input:focus { box-shadow: 0 0 0 2px rgba(214, 255, 71, .3); border-color: var(--acid); }
.solid-button { border-color: var(--acid); background: var(--acid); color: #080a07; }
.solid-button:hover { border-color: var(--app-text); background: var(--app-text); color: #080a07; }
.text-button:hover,
.model-detail-link:hover { color: var(--acid); }
.loading-state,
.empty-state { border-color: var(--app-rule); }

.saved-pairs { border-color: var(--app-rule-strong); }
.saved-pair { border-color: var(--app-rule-strong); background: var(--app-panel); }
.signal-grid { gap: 10px; }
.signal-card {
  min-height: 320px;
  border-color: var(--app-rule-strong);
  background: var(--app-panel-raised);
  box-shadow: 6px 6px 0 rgba(214, 255, 71, .06);
}
.signal-card.long { background: var(--acid); color: #080a07; }
.signal-card.short { border-color: var(--orange); background: #17100d; color: var(--app-text); box-shadow: inset 4px 0 0 var(--orange); }
.signal-card.flat,
.signal-card.no-signal { background: var(--app-panel); }
.signal-time span { color: currentColor; opacity: .66; }
.signal-age { background: var(--app-text); color: #080a07; }
.long .signal-age { background: #080a07; color: var(--acid); }
.short .signal-age { background: var(--orange); color: #080a07; }

.founder-banner { border-color: var(--acid); background: var(--acid); color: #080a07; box-shadow: 7px 7px 0 rgba(214, 255, 71, .12); }
.founder-banner button { border-color: #080a07; background: #080a07; color: var(--acid); }
.founder-upgrade-banner { border-color: var(--app-rule-strong); background: var(--app-panel-raised); color: var(--app-text); }
.founder-upgrade-banner button { border-color: var(--acid); background: var(--acid); color: #080a07; }

.section-head { padding-top: 60px; }
.section-head h2,
.catalog-toolbar h2,
.data-section-head h2,
.model-panel-head h2 { font-size: clamp(30px, 3.7vw, 54px); }
.pick-usage { border-color: var(--acid); background: transparent; color: var(--acid); }
#add-all-champions { border-color: var(--app-rule-strong); }
.model-pick-grid { gap: 9px; }
.model-pick-card { min-height: 320px; border-color: var(--app-rule-strong); background: var(--app-panel-raised); }
.model-pick-card.long { background: var(--acid); color: #080a07; }
.model-pick-card.short { border-color: var(--orange); background: #17100d; box-shadow: inset 4px 0 0 var(--orange); }
.model-pick-card.flat { background: var(--app-panel); }
.model-pick-card.invalid { background: #22110d; box-shadow: inset 4px 0 0 var(--orange); }
.model-pick-pair,
.model-pick-meta b,
.marketplace-disclosure { color: currentColor; opacity: .67; }
.gate-badge,
.champion-badge { border-color: currentColor; }
.gate-badge.pass { background: var(--acid); color: #080a07; }
.gate-badge.fail { background: var(--orange); color: #080a07; }
.champion-badge { background: var(--app-text); color: #080a07; }
.model-pick-card.long .gate-badge.pass { border-color: #080a07; }
.model-pick-card.long .champion-badge { background: #080a07; color: var(--acid); }
.gate-warning { border-color: var(--orange); background: #22110d; color: var(--orange); }

.activity-row { border-color: var(--app-rule); background: var(--app-panel); }
.activity-row:first-child { border-color: var(--app-rule-strong); box-shadow: inset 4px 0 0 var(--acid); }
.activity-cell-label,
.activity-row time { color: var(--app-muted); }
.activity-stance.long,
.signal-history-change.positive { color: var(--acid); }
.activity-stance.short,
.signal-history-change.negative { color: var(--orange); }

.evidence-field { border-color: var(--app-rule); background: var(--app-panel); }
.evidence-field span { color: var(--app-muted); }
.evidence-field.accent { border-color: var(--acid); background: var(--acid); color: #080a07; box-shadow: inset 0 4px 0 #080a07; }
.evidence-field.accent span { color: #303726; }

.catalog-section { padding-top: 70px; }
.catalog-controls { display: flex; align-items: center; justify-content: flex-end; gap: 10px; flex-wrap: wrap; }
.catalog-search { display: flex; align-items: stretch; }
.catalog-search input { width: clamp(250px, 28vw, 420px); height: 48px; padding: 0 14px; border: 1px solid var(--app-rule-strong); border-right: 0; border-radius: 0; outline: 0; font: 500 10px var(--mono); letter-spacing: .045em; }
.catalog-search input::placeholder { color: #6f766a; }
.catalog-search .solid-button { min-height: 48px; }
.catalog-count { color: var(--acid); }
.validation-filter { border-color: var(--app-rule-strong); background: var(--app-panel); color: var(--app-text); }
.validation-filter input { accent-color: var(--acid); }
.catalog-filter-row { width: 100%; display: flex; justify-content: flex-end; align-items: end; gap: 8px; flex-wrap: wrap; }
.catalog-filter-row > label:not(.validation-filter) { display: grid; gap: 6px; color: var(--app-muted); font: 500 8px var(--mono); letter-spacing: .08em; }
.catalog-filter-row select { min-width: 132px; height: 44px; padding: 0 34px 0 11px; border: 1px solid var(--app-rule-strong); border-radius: 0; background: var(--app-panel); color: var(--app-text); font: 500 9px var(--mono); letter-spacing: .04em; }
.catalog-filter-row select:focus { outline: 2px solid rgba(214, 255, 71, .3); border-color: var(--acid); }
.catalog-filter-row .validation-filter { min-height: 44px; }
.catalog-clear { min-height: 44px; }
.historical-simulation-panel { box-shadow: inset 4px 0 0 #8f987e; }
.model-table-wrap { border-color: var(--app-rule-strong); background: var(--app-panel); scrollbar-color: var(--acid) var(--app-panel); }
.model-table { background: var(--app-panel); color: var(--app-text); }
.model-table th,
.model-table td { border-color: var(--app-rule); }
.model-table th { background: #080b07; color: var(--app-muted); box-shadow: inset 0 -1px 0 var(--app-rule-strong); }
.model-table th button.active,
.model-table th button:hover { color: var(--acid); }
.model-table tr:hover td { background: rgba(214, 255, 71, .07); }
.model-table tr.invalid-model td { background: rgba(255, 93, 53, .07); }
.model-table .picked-button { border-color: var(--acid); background: transparent; color: var(--acid); }
.catalog-pagination { border-color: var(--app-rule-strong); }

.leaderboard-main { max-width: 1680px; }
.leaderboard-intro { min-height: 300px; }
.leaderboard-workspace { padding-top: 14px; }
.leaderboard-summary {
  display: grid;
  grid-template-columns: .7fr .9fr 1.4fr;
  border: 1px solid var(--app-rule-strong);
  background: var(--app-panel);
}
.leaderboard-summary > div {
  min-height: 132px;
  padding: 19px 21px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--app-rule);
}
.leaderboard-summary > div:last-child { border-right: 0; }
.leaderboard-summary span {
  color: var(--app-muted);
  font: 500 8px var(--mono);
  letter-spacing: .09em;
}
.leaderboard-summary strong {
  margin-top: auto;
  color: var(--acid);
  font: 500 clamp(24px, 3.2vw, 48px)/1 var(--mono);
  letter-spacing: -.06em;
}
.leaderboard-summary > div:last-child strong { color: var(--app-text); font-size: clamp(16px, 2vw, 26px); letter-spacing: -.035em; }
.leaderboard-toolbar {
  padding: 62px 0 23px;
  display: grid;
  grid-template-columns: minmax(310px, .7fr) minmax(600px, 1.3fr);
  gap: 40px;
  align-items: end;
  border-bottom: 2px solid var(--app-text);
}
.leaderboard-toolbar h2 { margin: 0; font-size: clamp(32px, 4vw, 58px); }
.leaderboard-periods { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 6px; }
.leaderboard-periods button {
  min-height: 40px;
  padding: 0 13px;
  border: 1px solid var(--app-rule-strong);
  background: var(--app-panel);
  color: var(--app-muted);
  font: 500 9px var(--mono);
  letter-spacing: .06em;
  cursor: pointer;
}
.leaderboard-periods button:hover,
.leaderboard-periods button[aria-pressed="true"] { border-color: var(--acid); background: var(--acid); color: #080a07; }
.leaderboard-controls { display: grid; justify-items: end; gap: 12px; }
.leaderboard-filter-row { display: flex; justify-content: flex-end; align-items: end; gap: 7px; flex-wrap: wrap; }
.leaderboard-filter-row label { display: grid; gap: 6px; color: var(--app-muted); font: 500 8px var(--mono); letter-spacing: .08em; }
.leaderboard-filter-row select {
  min-width: 132px;
  height: 44px;
  padding: 0 33px 0 11px;
  border: 1px solid var(--app-rule-strong);
  border-radius: 0;
  background: var(--app-panel);
  color: var(--app-text);
  font: 500 9px var(--mono);
}
.leaderboard-filter-row select:focus { outline: 2px solid rgba(214, 255, 71, .3); border-color: var(--acid); }
.leaderboard-order,
.leaderboard-clear { min-height: 44px; }
.leaderboard-table-wrap {
  overflow: auto;
  max-height: min(69vh, 740px);
  border: 1px solid var(--app-rule-strong);
  background: var(--app-panel);
  scrollbar-color: var(--acid) var(--app-panel);
}
.leaderboard-table { width: 100%; min-width: 1330px; border-collapse: separate; border-spacing: 0; font-family: var(--mono); }
.leaderboard-table th,
.leaderboard-table td { padding: 14px 12px; border-right: 1px solid var(--app-rule); border-bottom: 1px solid var(--app-rule); text-align: left; vertical-align: middle; }
.leaderboard-table th { position: sticky; z-index: 3; top: 0; background: #080b07; color: var(--app-muted); font-size: 8px; font-weight: 500; letter-spacing: .055em; white-space: nowrap; }
.leaderboard-table td { font-size: 10px; }
.leaderboard-table tr:hover td { background: rgba(214, 255, 71, .07); }
.leaderboard-rank { color: var(--acid); font-size: 15px !important; font-weight: 500; }
.leaderboard-model a { color: var(--app-text); }
.leaderboard-family { max-width: 210px; overflow-wrap: anywhere; }
.leaderboard-table .return-cell { font-weight: 600; white-space: nowrap; }
.leaderboard-table .return-cell.positive { color: var(--acid); }
.leaderboard-table .return-cell.negative { color: var(--orange); }
.leaderboard-table .return-cell.pending,
.leaderboard-pending-row td { color: var(--app-muted); }
.leaderboard-stance.long { color: var(--acid); }
.leaderboard-stance.short { color: var(--orange); }
.leaderboard-status { font-size: 8px !important; letter-spacing: .06em; white-space: nowrap; }
.leaderboard-status.ranked { color: var(--acid); }
.leaderboard-status.pending { color: var(--app-muted); }
.leaderboard-disclosure { margin-bottom: 0; }
.leaderboard-paywall { margin-top: 44px; }
.leaderboard-paywall .plan-grid { grid-template-columns: 1fr; }
.leaderboard-paywall .plan { max-width: 760px; }

.paywall { border-color: var(--app-rule-strong); background: var(--app-panel); box-shadow: 10px 10px 0 rgba(214, 255, 71, .07); }
.paywall-copy { border-color: var(--app-rule-strong); }
.paywall-copy p,
.plan p { color: var(--app-muted); }
.plan + .plan { border-color: var(--app-rule-strong); background: var(--app-panel-raised); color: var(--app-text); }
.plan + .plan button { background: var(--acid); color: #080a07; }

.model-family { color: var(--acid); }
.model-followers { color: var(--app-muted); }
.hyperparam-list { border-color: var(--app-rule-strong); }
.hyperparam-row { border-color: var(--app-rule-strong); background: var(--app-panel); }
.hyperparam-row dt { border-color: var(--app-rule-strong); color: var(--acid); }
.model-evidence-empty { border-color: var(--app-rule-strong); background: var(--app-panel); }
.signal-chart-frame { border-color: var(--app-rule-strong); background: var(--app-panel); }
.signal-chart-segment.long { stroke: var(--acid); }
.signal-chart-point.long { fill: var(--acid); }
.signal-chart-point { stroke: var(--app-panel); }
.signal-chart-segment.flat { stroke: var(--app-muted); }
.signal-chart-point.flat { fill: var(--app-muted); }
.signal-chart-label { fill: var(--app-muted); }

.guide-step,
.guide-step:nth-child(even),
.guide-callouts li { border-color: var(--app-rule); background: var(--app-panel); }
.guide-step::before { background: var(--app-rule-strong); }
.guide-step-number,
.guide-callouts li > span { border-color: var(--acid); background: var(--acid); color: #080a07; }
.guide-step p,
.guide-callouts p,
.guide-glossary p { color: var(--app-muted); }
.guide-callouts strong { color: var(--app-text); }
.guide-model-card .guide-marker { background: #080a07; color: var(--acid); }

.risk-dialog { border-color: var(--orange); background: var(--app-panel); color: var(--app-text); box-shadow: 16px 18px 0 rgba(0, 0, 0, .48); }
.risk-dialog::backdrop { background: rgba(0, 0, 0, .82); }
.risk-dialog-head { border-color: var(--orange); background: var(--orange); color: #080a07; }
.risk-dialog-body > p { color: var(--app-muted); }
.risk-model { border-color: var(--app-rule-strong); }
.risk-confirm { border-color: var(--orange); background: var(--orange); color: #080a07; }

.login-body { color-scheme: dark; background: var(--app-bg, #050704); }
.login-story { background: #050704; color: #f2f2e8; }
.login-story::after { border-color: var(--acid); opacity: .28; }
.login-story-copy h1 em { color: var(--acid); }
.login-story-copy small { color: #92998b; }
.login-panel { border-left: 1px solid rgba(214, 255, 71, .17); background: #0b0e0a; color: #f2f2e8; }
.auth-shell > p:first-child { color: var(--acid); }
.auth-subtitle,
.auth-switch,
.auth-message { color: #92998b; }
.auth-field input { border-color: rgba(214, 255, 71, .42); color: #f2f2e8; }
.auth-field input:focus { box-shadow: 4px 4px 0 rgba(214, 255, 71, .2); border-color: var(--acid); }
.auth-switch button { color: #f2f2e8; }

@media (max-width: 900px) {
  .product-header {
    position: sticky;
    inset: 0;
    width: 100%;
    height: auto;
    min-height: 112px;
    padding: 13px 18px 0;
    display: grid;
    grid-template-columns: 1fr auto;
    border-right: 0;
    border-bottom: 1px solid var(--app-rule);
  }
  .product-header .brand { min-height: 42px; }
  .product-nav { order: 3; grid-column: 1 / -1; margin-top: 6px; padding-bottom: 9px; display: flex; gap: 5px; overflow-x: auto; }
  .product-nav-label { display: none; }
  .product-nav a { min-width: max-content; min-height: 36px; padding-inline: 12px; }
  .product-nav a::after { display: none; }
  .account-tools { margin: 0; padding: 0; display: flex; border: 0; }
  .account-email { display: none; }
  .product-main { margin-left: 0; min-height: calc(100vh - 112px); padding-top: 32px; }
  .product-intro { grid-template-columns: 1fr; gap: 22px; }
  .catalog-controls { width: 100%; justify-content: flex-start; }
  .leaderboard-toolbar { grid-template-columns: 1fr; }
  .leaderboard-controls { justify-items: start; }
  .leaderboard-filter-row { justify-content: flex-start; }
}

@media (max-width: 680px) {
  .product-header { padding-inline: 14px; }
  .product-nav { margin-inline: -4px; }
  .product-nav a { padding-inline: 10px; }
  .product-main { padding: 26px 17px 72px; }
  .product-intro { padding-top: 10px; padding-bottom: 28px; }
  .product-intro h1 { font-size: clamp(44px, 14vw, 62px); }
  .intro-note { font-size: 14px; }
  .section-head { padding-top: 50px; }
  .catalog-section { padding-top: 58px; }
  .catalog-controls { align-items: stretch; flex-direction: column; }
  .catalog-search { width: 100%; }
  .catalog-search input { width: 100%; min-width: 0; }
  .validation-filter { min-height: 44px; }
  .catalog-filter-row { display: grid; grid-template-columns: 1fr 1fr; align-items: stretch; }
  .catalog-filter-row > label:not(.validation-filter) { min-width: 0; }
  .catalog-filter-row select { width: 100%; min-width: 0; }
  .catalog-filter-row .validation-filter,
  .catalog-filter-row .catalog-clear { width: 100%; }
  .leaderboard-summary { grid-template-columns: 1fr 1fr; }
  .leaderboard-summary > div { min-height: 105px; }
  .leaderboard-summary > div:nth-child(2) { border-right: 0; }
  .leaderboard-summary > div:last-child { grid-column: 1 / -1; border-top: 1px solid var(--app-rule); }
  .leaderboard-controls,
  .leaderboard-search-form { width: 100%; }
  .leaderboard-filter-row { display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
  .leaderboard-filter-row label,
  .leaderboard-filter-row select { width: 100%; min-width: 0; }
  .leaderboard-order,
  .leaderboard-clear { width: 100%; }
  .leaderboard-paywall .paywall-copy { grid-template-columns: 1fr; }
  .signal-card,
  .model-pick-card { min-height: 300px; }
  .login-panel { border-top: 1px solid rgba(214, 255, 71, .17); border-left: 0; }
}

@media (max-width: 370px) {
  .product-nav a { padding-inline: 8px; font-size: 9px; }
  .product-main { padding-inline: 14px; }
  .catalog-search .solid-button { padding-inline: 12px; }
  .catalog-filter-row { grid-template-columns: 1fr; }
  .leaderboard-filter-row { grid-template-columns: 1fr; }
}