/* Shell and screen layouts. */

.app { display: grid; grid-template-columns: var(--rail-w) minmax(0, 1fr); grid-template-rows: var(--top-h) minmax(0, 1fr); height: 100vh; height: 100dvh; }
.tabbar { display: none; }

/* Rail */
.rail { grid-row: 1 / 3; display: flex; flex-direction: column; min-height: 0; border-right: var(--line-hair) solid var(--rule); }
.brandbox { position: relative; padding: var(--s-2); }
.brandbtn { display: flex; align-items: center; gap: var(--s-3); width: 100%; min-height: 56px; padding: var(--s-2); border-radius: var(--radius); text-align: left; }
.brandbtn:hover { background: var(--wash); }
.brandbtn > .ic { margin-left: auto; color: var(--muted); }
.brandlogo { flex: none; display: grid; place-items: center; width: 34px; height: 34px; border-radius: var(--radius); background: var(--accent); color: var(--on-accent); }
.brandlogo-sm { width: 26px; height: 26px; }
.brandlogo-sm svg { width: 15px; height: 15px; }
.brandname { display: grid; line-height: 1.2; min-width: 0; }
.brandname b { font-size: 15px; font-weight: var(--display-weight); font-stretch: var(--display-width); letter-spacing: var(--display-tracking); white-space: nowrap; }
.brandname small { font-size: var(--t-label); color: var(--muted); }
.menu { position: absolute; z-index: 40; left: var(--s-2); right: var(--s-2); top: 68px; padding: var(--s-2); background: var(--bg); border: var(--line) solid var(--fg); border-radius: var(--radius); animation: rise var(--dur-fast) var(--ease); }
.menu-label { padding: var(--s-1) var(--s-2); font-size: var(--t-label); color: var(--muted); }
.menu-item { display: flex; align-items: center; gap: var(--s-2); width: 100%; min-height: 40px; padding: 0 var(--s-2); border-radius: 3px; font-weight: 600; text-align: left; }
.menu-item:hover { background: var(--wash); }
.menu-item > .ic { margin-left: auto; }
.menu-note { padding: var(--s-2); font-size: var(--t-label); color: var(--muted); line-height: 1.35; }

.nav { flex: 1; min-height: 0; overflow-y: auto; padding: var(--s-2); display: grid; gap: var(--s-4); align-content: start; }
.nav-group { display: grid; gap: 2px; }
.nav-label { padding: 0 var(--s-2) var(--s-1); font-size: var(--t-label); font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.nav-item { position: relative; isolation: isolate; display: flex; align-items: center; gap: 10px; min-height: 38px; padding: 0 var(--s-2); text-decoration: none; font-weight: 500; color: var(--fg-2); }
.nav-item::before { content: ""; position: absolute; inset: 0; border-radius: var(--radius); transform: skewX(var(--skew)); z-index: -1; transition: background-color var(--dur-fast); }
.nav-item:hover { color: var(--fg); }
.nav-item:hover::before { background: var(--wash); }
.nav-item.is-on { color: var(--on-accent); font-weight: 600; }
.nav-item.is-on::before { background: var(--accent); }
.nav-item .ic { flex: none; }

.rail-foot { padding: var(--s-3) var(--s-4) var(--s-4); border-top: var(--line-hair) solid var(--rule); display: grid; gap: var(--s-3); }
.env { display: grid; gap: var(--s-1); }
.env div { display: flex; justify-content: space-between; gap: var(--s-2); font-size: var(--t-label); }
.env dt { color: var(--muted); }
.env dd { font-weight: 600; white-space: nowrap; }
.dsx-sig { display: flex; align-items: center; gap: var(--s-2); font-size: var(--t-label); color: var(--muted); }
.dsx-sig .dsx-mark { color: var(--fg-2); }

/* Top bar. The operator view repaints it with the slab, in every brand. */
.top { display: flex; align-items: center; justify-content: space-between; gap: var(--s-4); padding: 0 var(--s-6); border-bottom: var(--line-hair) solid var(--rule); min-width: 0; }
.top-l, .top-r { display: flex; align-items: center; gap: var(--s-3); min-width: 0; }
.ctx { display: grid; line-height: 1.2; white-space: nowrap; }
.ctx b { font-size: var(--t-small); font-weight: 700; }
.ctx span { font-size: var(--t-label); color: var(--muted); }
.top-sep { width: 1px; height: 20px; background: var(--rule-2); flex: none; }
.acct { position: relative; display: flex; align-items: center; min-width: 0; }
.acct-none { font-size: var(--t-small); color: var(--muted); }
.acctbtn { display: inline-flex; align-items: center; gap: var(--s-2); min-height: 36px; padding: 0 var(--s-2); border-radius: var(--radius); white-space: nowrap; }
.acctbtn:hover { background: var(--wash); }
.acctbtn b { font-weight: 700; font-variant-numeric: tabular-nums; }
.acctbtn > .ic { color: var(--muted); }
.menu-acct { left: 0; right: auto; top: 42px; min-width: 260px; }
.menu-acct .menu-item { justify-content: space-between; }
.feed { display: flex; align-items: center; gap: var(--s-3); }
.feed .status { font-size: var(--t-label); }
.signs-btn { display: inline-flex; align-items: center; gap: var(--s-2); min-height: 32px; padding: 0 var(--s-3); border: var(--line) solid var(--fg); border-radius: var(--radius); font-size: var(--t-label); font-weight: 600; white-space: nowrap; }
.signs-btn:hover { background: var(--wash); }
.signs-g { display: inline-flex; gap: 3px; }

/* Main */
.main { grid-column: 2; min-width: 0; min-height: 0; overflow-y: auto; scrollbar-gutter: stable; }
/* Live ticket and position updates must not pull the viewport to a different row. */
.main:has(> .page-desk) { overflow-anchor: none; }
.page { max-width: 1480px; margin-inline: auto; padding: var(--s-5) var(--s-6) var(--s-7); display: flex; flex-direction: column; gap: var(--s-5); min-height: 100%; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--s-6); flex-wrap: wrap; }
.page-head h1 { margin-top: 6px; }
.sec-head { display: flex; justify-content: space-between; align-items: center; gap: var(--s-3); }

/* Demo studio */
.page-demo { padding-bottom: 0; gap: var(--s-4); overflow-x: clip; } /* the leaning slab may pass the column by a few px */
.journeys { display: flex; gap: var(--s-3); flex: 1 1 560px; justify-content: flex-end; min-width: 0; }
.journey { flex: 0 1 340px; min-width: 0; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: var(--s-3); align-items: center; padding: 10px var(--s-4); text-align: left; border-radius: var(--radius); box-shadow: inset 0 0 0 var(--line) var(--rule-2); transition: box-shadow var(--dur-fast), background-color var(--dur-fast); }
.journey:hover { box-shadow: inset 0 0 0 var(--line) var(--fg); }
.journey.is-on { background: var(--accent); color: var(--on-accent); box-shadow: none; }
.journey-k { font-size: var(--t-h2); font-weight: var(--display-weight); font-stretch: var(--display-width); line-height: 1; }
.journey-t { display: grid; min-width: 0; line-height: 1.25; }
.journey-t b { font-weight: 600; }
.journey-t small { font-size: var(--t-label); opacity: .72; }
.journey-p { font-size: var(--t-label); font-weight: 600; white-space: nowrap; }

.steps { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0; }
.step { position: relative; display: flex; align-items: center; gap: var(--s-2); min-width: 0; padding-right: var(--s-3); font-size: var(--t-small); color: var(--muted); }
.step-n { flex: none; display: grid; place-items: center; width: 24px; height: 24px; border-radius: 4px; box-shadow: inset 0 0 0 var(--line) var(--rule-2); font-size: var(--t-small); font-weight: 700; font-variant-numeric: tabular-nums; }
.step-t { min-width: 0; line-height: 1.2; }
.step.is-done { color: var(--fg-2); }
.step.is-done .step-n { background: var(--wash); box-shadow: none; }
.step.is-cur { color: var(--fg); font-weight: 600; }
.step.is-cur .step-n { background: var(--accent); color: var(--on-accent); box-shadow: none; }

.journey-a { flex: 1; display: flex; flex-direction: column; gap: var(--s-4); min-height: 0; }
.bridge { flex: 1; display: flex; justify-content: center; align-items: center; }

/* Exposure bridge: the slab of this screen. Same-direction arrows, on purpose. */
.bridge-slab { position: relative; isolation: isolate; width: min(100%, 1060px); padding: var(--s-5) clamp(var(--s-5), 5vw, 72px) var(--s-4); background: transparent; }
.bridge-slab::before { content: ""; position: absolute; inset: 0 calc(var(--bridge-inset, 26px)); background: var(--slab); border-radius: var(--radius-lg); transform: skewX(var(--skew)); z-index: -1; }
.bridge-grid {
  --blk: clamp(12px, 2.25vh, 22px); --gap: 4px;
  position: relative;
  display: grid; align-items: end; column-gap: var(--s-3);
  grid-template-columns: minmax(0, 1fr) 96px minmax(0, 1fr) 96px minmax(0, 1fr);
  grid-template-rows: auto auto minmax(calc((var(--blk) + var(--gap)) * var(--rows)), auto) auto;
  grid-template-areas:
    "k1 . k2 . k3"
    "v1 a1 v2 a2 v3"
    "s1 . s2 . s3"
    "b1 . b2 . b3";
}
.b-k { font-size: var(--t-small); font-weight: 700; text-align: center; }
.b-v { text-align: center; font-size: var(--t-hero); font-weight: var(--display-weight); font-stretch: var(--display-width); letter-spacing: var(--display-tracking); line-height: 1.1; font-variant-numeric: tabular-nums; white-space: nowrap; margin-bottom: var(--s-3); }
.b-v small { font-size: var(--t-small); font-stretch: 100%; font-weight: 600; letter-spacing: 0; color: var(--fg-2); }
.b-stack { display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: var(--gap); align-self: end; min-height: var(--blk); }
.blk { display: block; flex: none; width: clamp(70px, 62%, 150px); height: var(--blk); border-radius: 2px; transform: skewX(var(--skew)); }
.blk-new { animation: blk-in var(--dur-slow) var(--ease); }
@keyframes blk-in { from { opacity: 0; transform: skewX(var(--skew)) translateY(-10px); } }
.blk-solid { background: var(--fg); }
.blk-outline { box-shadow: inset 0 0 0 var(--line) var(--fg); }
.blk-hatch { background: repeating-linear-gradient(90deg, var(--fg) 0 2px, transparent 2px 6px); box-shadow: inset 0 0 0 var(--line) var(--fg); }
.blk-ghost { box-shadow: inset 0 0 0 1px var(--rule-2); background: repeating-linear-gradient(90deg, transparent 0 7px, var(--rule) 7px 8px); }
.b-arrow { align-self: center; display: grid; justify-items: center; gap: 2px; font-size: var(--t-label); color: var(--fg-2); font-weight: 600; text-align: center; line-height: 1.2; }
.b-arrow .ic { color: var(--fg); }
.b-line { grid-column: 1 / -1; grid-row: 3; align-self: end; height: 0; border-top: var(--line) dashed var(--fg); margin-bottom: calc((var(--blk) + var(--gap)) * var(--t) - var(--gap) / 2); position: relative; pointer-events: none; }
.b-line span { position: absolute; left: 0; top: -9px; padding-right: 6px; background: var(--slab); font-size: 10.5px; font-weight: 700; letter-spacing: .02em; }
[data-brand="beta"] .b-line { border-color: var(--rule-2); z-index: -1; }
[data-brand="beta"] .bridge-grid { isolation: isolate; }
[data-brand="beta"] .b-stack .blk { background-color: var(--slab); }
[data-brand="beta"] .b-stack .blk-solid { background-color: var(--fg); }
[data-brand="beta"] .b-stack .blk-hatch { background-image: repeating-linear-gradient(90deg, var(--fg-2) 0 1px, transparent 1px 6px); }
.b-s { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 2px var(--s-2); margin-top: var(--s-3); font-size: var(--t-small); color: var(--fg-2); text-align: center; }
.b-s .dir { color: var(--fg); }

/* The foot sits low on a leaning slab: it follows the lean so nothing touches the slanted edge. */
.bridge-foot { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--s-2) var(--s-6); align-items: end; margin: var(--s-4) calc(var(--lean) * 40px) 0 calc(var(--lean) * -28px); padding: var(--s-3) var(--s-3) 0; border-top: var(--line) solid var(--fg); }
.cov { display: grid; gap: 6px; }
.cov-head { display: flex; align-items: center; gap: var(--s-3); }
.cov-k { display: inline-flex; align-items: center; gap: 4px; font-size: var(--t-small); font-weight: 600; cursor: help; }
.cov-head b { font-size: var(--t-h3); font-weight: var(--display-weight); font-stretch: var(--display-width); font-variant-numeric: tabular-nums; }
.delta { display: grid; justify-items: end; gap: 2px; }
.delta b { font-size: var(--t-h2); font-weight: var(--display-weight); font-stretch: var(--display-width); font-variant-numeric: tabular-nums; white-space: nowrap; line-height: 1; }
.delta b small { font-size: var(--t-small); font-stretch: 100%; font-weight: 600; color: var(--fg-2); }
.legend-blk { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-1) var(--s-3); font-size: var(--t-label); color: var(--fg-2); }
.legend-blk .blk { width: 18px; height: 10px; margin-right: -6px; }
.legend-blk span { margin-left: var(--s-2); }

/* Keep the Demo Studio content inside the narrowest part of the skewed slab. */
.page-demo .bridge-slab {
  padding-block: var(--s-7) var(--s-6);
  padding-inline: calc(var(--s-7) + var(--lean) * 68px);
}
.page-demo .bridge-foot { margin-inline: 0; }
.page-demo .bridge-grid {
  grid-template-columns: minmax(0, 1fr) clamp(56px, 6vw, 96px) minmax(0, 1fr) clamp(56px, 6vw, 96px) minmax(0, 1fr);
}
.page-demo .b-v { white-space: normal; overflow-wrap: anywhere; }
.page-demo .cov-head { flex-wrap: wrap; }

.flowbar { position: sticky; bottom: 0; z-index: 5; margin-top: auto; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--s-6); align-items: center; padding: var(--s-3) 0 var(--s-4); background: var(--bg); border-top: var(--line-head) solid var(--fg); }
.flow-read { display: grid; grid-template-columns: 1.15fr 1fr 1fr; gap: var(--s-5); min-width: 0; }
.flow-read dt { display: flex; align-items: center; min-height: 18px; font-size: var(--t-label); font-weight: 600; color: var(--muted); }
.flow-read dd { margin-top: 2px; font-size: var(--t-small); line-height: 1.4; color: var(--fg-2); text-wrap: pretty; }
.flow-read div:first-child dd { color: var(--fg); font-weight: 600; }
.flow-act { display: grid; justify-items: end; gap: var(--s-2); max-width: 440px; }
.flow-btns { display: flex; align-items: center; gap: var(--s-3); }

/* Journey B */
.journey-b { display: flex; flex-direction: column; gap: var(--s-6); }
.scene { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--s-5) var(--s-8); align-items: end; padding: var(--s-7); border-radius: var(--radius-lg); }
.scene h2 { font-size: var(--t-h1); margin-top: var(--s-3); display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3); }
.scene h2 .status { font-family: var(--font-ui); font-stretch: 100%; letter-spacing: 0; font-size: var(--t-small); }
.scene-copy p:last-child { margin-top: var(--s-3); max-width: 60ch; line-height: var(--lh-text); color: var(--fg-2); }
.scene-act { display: grid; gap: var(--s-2); justify-items: end; }
.scene-note { font-size: var(--t-small); color: var(--fg-2); max-width: 34ch; text-align: right; }
.facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-6); border-top: var(--line-head) solid var(--fg); padding-top: var(--s-4); }
.facts-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.facts dt { font-size: var(--t-small); font-weight: 600; }
.facts dd { margin-top: 6px; font-size: var(--t-small); color: var(--fg-2); line-height: var(--lh-text); }
.tl { grid-column: 1 / -1; position: relative; height: 58px; margin-top: var(--s-2); }
.tl-line { position: absolute; left: 0; right: 0; top: 20px; border-top: var(--line) solid var(--fg); }
.tl-pt { position: absolute; top: 20px; transform: translate(-50%, -50%); display: grid; place-items: center; width: 22px; height: 22px; background: var(--slab); border-radius: 50%; }
.tl-pt.is-forced { background: var(--fg); color: var(--bg); border-radius: 4px; }
.tl-a, .tl-b { position: absolute; bottom: 0; font: 400 11px var(--font-data); font-stretch: 87%; color: var(--fg-2); }
.tl-a { left: 0; } .tl-b { right: 0; }
.links3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-3); }
.links3 a { display: flex; align-items: center; gap: var(--s-3); padding: var(--s-3) var(--s-4); border-radius: var(--radius); box-shadow: inset 0 0 0 var(--line) var(--rule-2); text-decoration: none; transition: box-shadow var(--dur-fast); }
.links3 a:hover { box-shadow: inset 0 0 0 var(--line) var(--fg); }
.links3 a > span:nth-child(2) { display: grid; flex: 1; min-width: 0; }
.links3 small { color: var(--muted); font-size: var(--t-small); }

/* Trading desk */
.page-desk { gap: var(--s-4); padding-top: var(--s-4); }
.risk { display: flex; flex-wrap: wrap; gap: var(--s-3) var(--s-7); align-items: flex-end; padding-bottom: var(--s-3); border-bottom: var(--line) solid var(--fg); }
.rk { display: grid; gap: 4px; min-width: 110px; }
.rk-k { display: flex; align-items: center; gap: var(--s-2); font-size: var(--t-label); font-weight: 600; color: var(--muted); }
.rk-v { font-size: var(--t-kpi); font-weight: var(--display-weight); font-stretch: var(--display-width); letter-spacing: var(--display-tracking); line-height: 1; font-variant-numeric: tabular-nums; }
.rk-v2 { font-size: var(--t-h3); font-weight: 600; font-stretch: 112%; line-height: 1.2; font-variant-numeric: tabular-nums; }
.rk-meter { flex: 1 1 150px; max-width: 220px; }
.rk-m { font-size: var(--t-small); color: var(--fg-2); font-variant-numeric: tabular-nums; }
.rk-m b { color: var(--fg); font-weight: 600; }
.desk-grid { display: grid; gap: var(--s-4) var(--s-5); grid-template-columns: minmax(0, 1fr) var(--ticket-w); grid-template-rows: minmax(0, 1fr) auto; grid-template-areas: "chart ticket" "book ticket"; flex: 1; min-height: 0; }
.chartp { grid-area: chart; display: flex; flex-direction: column; min-width: 0; min-height: 380px; gap: var(--s-2); }
.chart-head { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2) var(--s-5); }
.chart-mkt { display: flex; align-items: center; gap: var(--s-3); }
.chart-mkt h2 { font-size: var(--t-h3); white-space: nowrap; }
.ohlc { display: flex; gap: var(--s-3); font-family: var(--font-data); font-stretch: 87%; font-size: 11.5px; font-variant-numeric: tabular-nums; }
.ohlc div { display: flex; gap: 4px; }
.ohlc dt { color: var(--muted); }
.chart-ctl { display: flex; align-items: center; gap: var(--s-2); margin-left: auto; }
.chart-head .ohlc { flex-basis: 100%; }
.chart { flex: 1; min-height: 280px; position: relative; }
.chart svg { display: block; position: absolute; inset: 0; touch-action: none; }
.chart-skel, .chart-off { display: grid; align-content: center; justify-items: center; gap: var(--s-2); text-align: center; border: var(--line-hair) dashed var(--rule-2); border-radius: var(--radius); }
.chart-off span { font-size: var(--t-small); color: var(--muted); max-width: 42ch; }
.chart-skel { align-content: space-evenly; justify-items: stretch; padding: var(--s-4); }
.chart-skel i { display: block; height: 1px; background: var(--rule); }
.chart-skel span { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; gap: var(--s-2); font-size: var(--t-small); color: var(--fg-2); }
.chart-note { font-size: var(--t-label); color: var(--muted); padding-top: var(--s-1); }

.c-grid { stroke: var(--rule); stroke-width: 1; }
.c-tick { stroke: var(--rule-2); }
.c-axis { fill: var(--muted); font: 400 10.5px var(--font-data); font-stretch: 87%; }
.k-up { stroke: var(--fg); stroke-width: 1; }
.k-dn { stroke: var(--fg-2); stroke-width: 1; }
.k-dn-dense { stroke: var(--muted); stroke-width: 1; }
.k-b-up { fill: var(--fg); }
.k-b-dn { fill: var(--bg); stroke: var(--fg-2); stroke-width: 1; }
.c-last { stroke: var(--fg); stroke-dasharray: 2 3; stroke-width: 1; }
.c-tag { fill: var(--fg); }
.c-tag-t { fill: var(--bg); font: 500 10.5px var(--font-data); font-stretch: 87%; }
.c-tag-2 { fill: var(--wash); stroke: var(--rule-2); }
.c-tag-t2 { fill: var(--fg); font: 500 10.5px var(--font-data); font-stretch: 87%; }
.c-entry { stroke: var(--fg-2); stroke-width: 1; stroke-dasharray: 6 4; }
.c-entry-t { fill: var(--fg-2); font: 500 10.5px var(--font-data); font-stretch: 87%; }
.c-ch { stroke: var(--fg-2); stroke-width: 1; stroke-dasharray: 3 3; pointer-events: none; }
.c-hit { fill: transparent; cursor: crosshair; }
.c-cross[hidden] { display: none; }

.ticket { grid-area: ticket; display: flex; flex-direction: column; gap: var(--s-3); padding: var(--s-4); border-radius: var(--radius-lg); align-self: start; }
.ticket-head { display: flex; justify-content: space-between; align-items: center; gap: var(--s-2); }
.ticket-empty { gap: var(--s-3); padding-block: var(--s-6); }
.ticket-empty h2 { font-size: var(--t-h2); }
.ticket-empty p:not(.eyebrow) { color: var(--fg-2); line-height: var(--lh-text); }
.locked-ic { margin-top: var(--s-2); }
.quote-row { display: flex; align-items: center; justify-content: space-between; gap: var(--s-2); font-size: var(--t-label); color: var(--fg-2); font-variant-numeric: tabular-nums; }
.sides { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-2); }
.sidebtn { display: grid; gap: 1px; padding: var(--s-2) var(--s-3); text-align: left; border-radius: var(--radius); box-shadow: inset 0 0 0 var(--line) var(--on-slab-2); transition: background-color var(--dur-fast), color var(--dur-fast); }
.sidebtn small { font-size: var(--t-label); font-weight: 600; }
.sidebtn b { font: 500 15px var(--font-data); font-stretch: 87%; font-variant-numeric: tabular-nums; }
.sidebtn.is-on { background: var(--fg); color: var(--bg); box-shadow: none; }
.sidebtn:not(.is-on):hover { background: var(--wash); }
.sum { display: grid; border-top: var(--line) solid var(--fg); }
.sum div { display: flex; justify-content: space-between; gap: var(--s-3); padding: 5px 0; border-bottom: var(--line-hair) solid var(--rule); font-size: var(--t-small); }
.sum dt { color: var(--fg-2); }
.sum dd { font-family: var(--font-data); font-stretch: 87%; font-size: 11.5px; white-space: nowrap; }
#ticket-go { display: grid; gap: var(--s-2); }
.ticket .field .hint { font-size: var(--t-label); color: var(--fg-2); }
.book { grid-area: book; min-width: 0; }
.tabs { display: flex; gap: var(--s-5); border-bottom: var(--line) solid var(--fg); }
.tabs button { position: relative; min-height: 34px; font-size: var(--t-small); font-weight: 600; color: var(--muted); }
.tabs button span { font-variant-numeric: tabular-nums; margin-left: 3px; }
.tabs button[aria-selected="true"] { color: var(--fg); }
.tabs button[aria-selected="true"]::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1.5px; height: 4px; background: var(--fg); }

/* Proofs */
.page-head-sm h1 { font-size: var(--t-h2); }
.pstep { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; }
.pstep li { position: relative; display: flex; align-items: stretch; min-width: 0; }
.pstep button { flex: 1; min-width: 0; display: flex; align-items: center; gap: var(--s-3); padding: var(--s-3) var(--s-4) var(--s-3) 0; text-align: left; border-bottom: var(--line) solid var(--rule-2); }
.pstep button[aria-selected="true"] { border-bottom: var(--line-head) solid var(--fg); padding-bottom: calc(var(--s-3) - 2.5px); }
.pstep button:hover .pstep-t b { text-decoration: underline; text-underline-offset: 3px; }
.pstep button[aria-selected="true"] .step-n { background: var(--accent); color: var(--on-accent); box-shadow: none; }
.pstep-t { display: grid; line-height: 1.25; min-width: 0; }
.pstep-t small { font-size: var(--t-small); color: var(--muted); }
.pstep-a { align-self: center; flex: none; padding-inline: var(--s-3); color: var(--muted); }
.proof-guide { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s-4); margin-block: 0 var(--s-5); padding: var(--s-5); border-radius: var(--radius-lg); }
.proof-guide > div { flex: 1 1 28rem; }
.proof-guide h2 { margin-block: var(--s-1) var(--s-2); font-size: var(--t-h2); }
.proof-guide p:last-child { max-width: 66ch; color: var(--fg-2); line-height: var(--lh-text); }
.proof-trades-compact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); align-items: start; gap: var(--s-5); }
.proof-trades-compact .fillcard { margin: 0; }
.proof-trades.mk-grid .fillcard { grid-column: 1 / -1; }
.proof-next { display: flex; justify-content: flex-end; margin-top: var(--s-4); }
@media (max-width: 720px) {
  .proof-trades-compact { grid-template-columns: minmax(0, 1fr); }
}

.snapbar { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2) var(--s-4); margin-bottom: var(--s-4); }
.snapnote { font-size: var(--t-small); color: var(--fg-2); flex: 1; min-width: 200px; }
.snapnote b { color: var(--fg); }
.mk-grid { display: grid; grid-template-columns: minmax(250px, 340px) minmax(120px, 1fr) 232px; align-items: center; gap: 0; }
.mk-fills { display: grid; align-self: start; }
.leaf { position: relative; display: grid; grid-template-columns: 24px minmax(0, 1fr) auto auto; align-items: center; gap: var(--s-2); padding: 0 var(--s-3) 0 var(--s-2); text-align: left; border-bottom: var(--line-hair) solid var(--rule); transition: background-color var(--dur-fast); }
.leaf:first-child { border-top: var(--line-head) solid var(--fg); }
.leaf:last-child { border-bottom: var(--line) solid var(--fg); }
.leaf:hover { background: var(--wash); }
.leaf.is-on { background: var(--accent); color: var(--on-accent); }
.leaf.is-on .tag { background: var(--on-accent); color: var(--accent); }
.leaf-n { font: 500 11.5px var(--font-data); font-stretch: 87%; color: inherit; opacity: .7; }
.leaf-t { display: grid; min-width: 0; line-height: 1.25; }
.leaf-t b { font-size: var(--t-small); font-weight: 600; }
.leaf-t small { font: 400 11px var(--font-data); font-stretch: 87%; opacity: .75; white-space: nowrap; }
.mk-graph { position: relative; min-width: 0; align-self: start; }
.mk-graph svg { display: block; position: absolute; inset: 0; overflow: visible; }
.m-link { fill: none; stroke: var(--rule-2); stroke-width: 1.2; }
.m-link.is-new { stroke-dasharray: 3 3; }
.m-link.is-on { stroke: var(--fg); stroke-width: 2.6; stroke-dasharray: none; }
.m-node { fill: var(--bg); stroke: var(--rule-2); stroke-width: 1.2; }
.m-node.is-on { fill: var(--fg); stroke: var(--fg); }
.m-node.is-sib { fill: var(--bg); stroke: var(--fg); stroke-width: 1.6; }
.m-root { fill: var(--fg); }
.m-hash { fill: var(--muted); font: 400 10px var(--font-data); font-stretch: 87%; }
.mk-root { display: grid; gap: var(--s-2); padding: var(--s-4); border-radius: var(--radius-lg); min-width: 0; }
.root-short { font-size: 14px; font-weight: 600; overflow-wrap: anywhere; }
.fillcard { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s-2); margin-top: var(--s-5); }
.fillcard-h { display: flex; justify-content: space-between; gap: var(--s-3); align-items: center; }
.fc-kv { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--s-4); border-top: var(--line) solid var(--fg); }
.fc-kv .kv { display: grid; grid-template-columns: 1fr; gap: 2px; border: 0; padding: var(--s-2) 0 0; }
.fc-kv .kv dd { font-weight: 600; }
.fc-act { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3); margin-top: var(--s-2); }
.merkle .foot-note { margin-top: var(--s-4); }

/* Anchor */
.ach-chain { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; gap: var(--s-3); padding: var(--s-6); border-radius: var(--radius-lg); }
.ach { display: grid; gap: 4px; padding: var(--s-3) 0; min-width: 0; opacity: .55; }
.ach.is-on { opacity: 1; }
.ach-k { font-size: var(--t-small); font-weight: 700; }
.ach code { font-size: 15px; font-weight: 600; overflow-wrap: anywhere; }
.ach small { font-size: var(--t-small); color: var(--fg-2); }
.ach-foot { grid-column: 1 / -1; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--s-3); padding-top: var(--s-4); border-top: var(--line) solid var(--fg); }
.ach-net { display: grid; line-height: 1.3; }
.ach-net span { font-size: var(--t-small); color: var(--fg-2); }
.ach-do { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3); }
.ach-wait { display: inline-flex; gap: var(--s-2); align-items: center; font-size: var(--t-small); font-weight: 600; }
.anchor .facts { margin-top: var(--s-6); }

/* Replay */
.rp-start { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--s-6); align-items: end; padding: var(--s-7); border-radius: var(--radius-lg); }
.rp-start h2 { margin-top: var(--s-3); }
.rp-start p:last-child { margin-top: var(--s-3); max-width: 58ch; line-height: var(--lh-text); color: var(--fg-2); }
.rp { display: flex; flex-direction: column; gap: var(--s-3); --replay-price: #97d5ed; --replay-equity: #f6c882; --replay-buy: #99dbb1; --replay-sell: #f0a49b; }
[data-surface="paper"] .rp { --replay-price: #215f7a; --replay-equity: #82530f; --replay-buy: #286249; --replay-sell: #903b39; }
.rp-overview { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s-2) var(--s-4); }
.rp-overview h2 { font-size: var(--t-h2); }
.rp-metrics { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: var(--s-4); padding-bottom: var(--s-3); border-bottom: var(--line) solid var(--fg); }
.rp-m dt { display: flex; align-items: center; gap: 5px; font-size: var(--t-label); font-weight: 600; color: var(--muted); }
.rp-m dt .sign-g { width: 10px; height: 10px; }
.rp-m dd { margin-top: 2px; font-size: var(--t-lead); font-weight: 600; font-stretch: 110%; font-variant-numeric: tabular-nums; white-space: nowrap; }
.rp-main { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: var(--s-5); min-width: 0; }
.rp-chart { position: relative; min-width: 0; min-height: 340px; }
.rp-frame { position: relative; }
.rp-frame svg { display: block; }
.rp-px { fill: none; stroke: var(--replay-price); stroke-width: 2.25; }
.rp-eq { fill: none; stroke: var(--replay-equity); stroke-width: 2.25; }
.rp-area { fill: var(--replay-equity); opacity: .10; }
.rp-stem { stroke: var(--rule); stroke-dasharray: 2 3; }
.rp-cursor line { stroke: var(--fg); stroke-width: 1.5; }
.rp-cursor circle { fill: var(--bg); stroke: var(--fg); stroke-width: 2; }
.rp-hit { fill: transparent; cursor: pointer; }
.rp-pane-label { position: absolute; left: 0; pointer-events: none; }
.rp-label-price, .rp-label-equity { font-size: var(--t-small); font-weight: 650; }
.rp-label-price { color: var(--replay-price); }
.rp-label-equity { color: var(--replay-equity); }
.rp-lane { position: absolute; border-top: var(--line-hair) solid var(--rule); border-bottom: var(--line-hair) solid var(--rule); background: var(--bg); }
.rp-mark { position: absolute; top: 50%; width: 30px; height: 30px; margin: -15px 0 0 -15px; display: grid; place-items: center; border-radius: 4px; background: var(--bg); box-shadow: inset 0 0 0 var(--line) var(--rule-2); transition: box-shadow var(--dur-fast), background-color var(--dur-fast), color var(--dur-fast); }
.rp-mark:hover { box-shadow: inset 0 0 0 var(--line) var(--fg); }
.rp-event-fill-buy, .rp-m-fill-buy { color: var(--replay-buy); }
.rp-event-fill-sell, .rp-m-fill-sell { color: var(--replay-sell); }
.rp-mark.is-on { background: var(--fg); color: var(--bg); box-shadow: none; }
.rp-m-forced { background: var(--fg); color: var(--bg); box-shadow: none; }
.rp-m-multi span { font-size: var(--t-small); font-weight: 700; }
.rp-side { min-width: 0; align-self: start; background: var(--raise); border: var(--line-hair) solid var(--rule); border-radius: var(--radius-lg); padding: var(--s-4); }
.rp-ev { display: grid; gap: var(--s-2); align-content: start; }
.rp-ev h3 { font-size: var(--t-lead); }
.rp-ev > p:not(.eyebrow) { font-size: var(--t-small); line-height: var(--lh-text); color: var(--fg-2); }
.rp-ev-empty p:not(.eyebrow) { color: var(--muted); }
.rp-pick { display: grid; gap: var(--s-1); }
.rp-pick button { display: flex; align-items: center; gap: var(--s-2); min-height: 34px; padding: 0 var(--s-2); border-radius: 4px; text-align: left; font-size: var(--t-small); box-shadow: inset 0 0 0 1px var(--rule-2); }
.rp-pick button.is-on { background: var(--fg); color: var(--bg); box-shadow: none; font-weight: 600; }
.rp-pick button:not(.is-on):hover { background: var(--wash); }
.rp-ev-act { display: flex; flex-wrap: wrap; gap: var(--s-2); margin-top: var(--s-2); }
.transport { display: flex; align-items: center; gap: var(--s-4); padding: var(--s-2) 0; }
.tr-btns { display: flex; align-items: center; gap: var(--s-1); }
.transport .range { flex: 1; min-width: 0; }
.rp-legend { display: flex; flex-wrap: wrap; gap: var(--s-1) var(--s-4); font-size: var(--t-label); color: var(--fg-2); }
.rp-legend span { display: inline-flex; align-items: center; gap: 5px; }
.cmp { display: grid; gap: var(--s-3); margin-top: var(--s-7); }
.cmp-head { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--s-4); flex-wrap: wrap; }
.cmp-head h2 { margin-top: var(--s-2); }

/* Hedge */
.page-hedge .mode { display: grid; grid-template-columns: auto auto; justify-content: end; gap: 2px var(--s-3); align-items: center; }
.mode-k { font-size: var(--t-label); font-weight: 600; color: var(--muted); text-align: right; }
.mode .sign { font-size: var(--t-small); color: var(--fg); }
.mode-d { grid-column: 1 / -1; font-size: var(--t-small); color: var(--fg-2); text-align: right; }
.hedge-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: var(--s-6) var(--s-6); grid-template-areas: "main policy" "hist hist"; align-items: start; }
.hedge-main { grid-area: main; display: grid; gap: var(--s-4); min-width: 0; }
.hedge-main .bridge { flex: none; }
.hedge-main .bridge-slab { width: 100%; padding-inline: var(--s-6); }
.hedge-main .bridge-slab::before { inset: 0; transform: none; }
.hedge-main .bridge-foot { margin-inline: 0; }
.hedge-main .bridge-grid { --blk: clamp(10px, 1.6vh, 16px); grid-template-columns: minmax(0, 1fr) 76px minmax(0, 1fr) 76px minmax(0, 1fr); }
.hedge-main .b-v { font-size: var(--t-h1); }
.policy { grid-area: policy; display: grid; gap: var(--s-4); }
.policy .sec-head { padding-bottom: var(--s-2); border-bottom: var(--line-head) solid var(--fg); }
.policy-grid { display: grid; gap: var(--s-3); padding-bottom: var(--s-3); }
.pause { display: grid; gap: var(--s-2); }
.hist { grid-area: hist; display: grid; gap: var(--s-3); min-width: 0; }
.hnext { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--s-3) var(--s-6); padding: var(--s-3) 0; border-top: var(--line-head) solid var(--fg); }
.hnext-t { display: grid; gap: 6px; flex: 1 1 280px; min-width: 0; }
.hnext-o b { font-weight: 700; }
.hnext-ok { display: flex; gap: var(--s-2); font-size: var(--t-small); }
.hnext-a { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3) var(--s-4); }

/* Activity */
.filters { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3); }
.filters .select { width: auto; min-width: 180px; min-height: 34px; font-size: var(--t-small); }
.search { position: relative; flex: 1 1 200px; max-width: 320px; }
.search .ic { position: absolute; left: 10px; top: 9px; color: var(--muted); }
.search .input { min-height: 34px; padding-left: 34px; font-size: var(--t-small); }
.log-count { font-size: var(--t-small); color: var(--muted); }
.tbl-log .ev-detail { white-space: normal; min-width: 280px; color: var(--fg-2); }
.tbl-log .ev-type { font-weight: 600; }
.tbl-log tr.is-market td { color: var(--muted); }
.tbl-log tr.is-market .ev-type { font-weight: 400; }

/* Challenges */
.pay { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: var(--s-7); padding: var(--s-6); border-radius: var(--radius-lg); align-items: center; }
.pay h2 { margin: var(--s-2) 0 var(--s-3); }
.pay-r { display: grid; gap: var(--s-2); }
.paysteps { display: grid; gap: var(--s-2); font-size: var(--t-small); }
.paysteps li { display: flex; align-items: center; gap: var(--s-2); color: var(--fg-2); }
.paysteps li.is-cur { color: var(--fg); font-weight: 600; }
.paysteps li.is-cur .step-n, .paysteps li.is-done .step-n { background: var(--fg); color: var(--bg); box-shadow: none; }
.receipt { display: grid; gap: var(--s-4); max-width: 760px; border-top: var(--line-head) solid var(--fg); padding-top: var(--s-4); }
.receipt h2 { margin-top: var(--s-2); }
.kvs-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--s-6); }
.rc-act { display: flex; gap: var(--s-3); align-items: center; }

.page-narrow { display: grid; gap: var(--s-5); max-width: 920px; }

/* Review tool (prototype only) */
.proto-tools { display: flex; gap: var(--s-2); }
.review-btn { flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 5px; min-height: 28px; padding: 0 var(--s-1); border: var(--line-hair) dashed var(--rule-2); border-radius: var(--radius); font-size: 10.5px; color: var(--muted); text-decoration: none; white-space: nowrap; }
.review-btn:hover { color: var(--fg); border-color: var(--fg); }
.rv-scenes { display: flex; flex-wrap: wrap; gap: var(--s-2); }
.rv-row { display: flex; justify-content: space-between; align-items: center; gap: var(--s-3); padding: var(--s-1) 0; font-size: var(--t-small); }

/* Design system page */
.page-ds { gap: var(--s-8); max-width: 1180px; }
.ds-lead { max-width: 46ch; color: var(--fg-2); line-height: var(--lh-text); }
.ds-sec { display: grid; gap: var(--s-4); }
.ds-head { display: grid; grid-template-columns: minmax(0, 280px) minmax(0, 1fr); gap: var(--s-5); align-items: baseline; padding-top: var(--s-3); border-top: var(--line-head) solid var(--fg); }
.ds-head h2 { font-size: var(--t-h3); }
.ds-head p { color: var(--fg-2); font-size: var(--t-small); line-height: var(--lh-text); max-width: 64ch; }
.ds-signs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-5); }
.ds-big .sign-g { width: 44px; height: 44px; }
.ds-signs h3 { margin-top: var(--s-2); }
.ds-signs p { color: var(--fg-2); font-size: var(--t-small); line-height: var(--lh-text); }
.ds-swatches { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--s-4) var(--s-3); }
.ds-sw { display: grid; gap: 2px; font-size: var(--t-small); }
.ds-sw > i { display: block; height: 56px; border-radius: var(--radius); box-shadow: inset 0 0 0 1px var(--rule-2); margin-bottom: var(--s-1); }
.ds-sw code { font-size: 11px; color: var(--muted); }
.ds-type { display: grid; }
.ds-tr { display: grid; grid-template-columns: 120px 110px minmax(0, 1fr); gap: var(--s-3); align-items: baseline; padding: var(--s-2) 0; border-bottom: var(--line-hair) solid var(--rule); font-size: var(--t-small); }
.ds-tr code { font-size: 11px; color: var(--muted); }
.ds-tr > span { color: var(--fg-2); }
.ds-tr p { min-width: 0; overflow-wrap: anywhere; line-height: 1.15; }
.ds-t-display { font-weight: var(--display-weight); font-stretch: var(--display-width); letter-spacing: var(--display-tracking); font-variant-numeric: tabular-nums; }
.ds-t-label { font-weight: 600; letter-spacing: .14em; }
.ds-t-data { font-family: var(--font-data); font-stretch: 87%; font-variant-numeric: tabular-nums; }
.ds-space { display: flex; flex-wrap: wrap; align-items: flex-end; gap: var(--s-4); }
.ds-space div { display: grid; gap: var(--s-1); justify-items: start; }
.ds-space i { display: block; background: var(--fg); }
.ds-space code, .ds-lines code { font-size: 11px; color: var(--muted); }
.ds-lines { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-5); }
.ds-lines div { display: grid; gap: var(--s-2); }
.ds-lines i { display: block; }
.ds-row { display: flex; align-items: center; gap: var(--s-3); }
.ds-row-w { flex-wrap: wrap; gap: var(--s-3) var(--s-4); }
.ds-blocked { max-width: 440px; }
.ds-fields { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s-5); align-items: start; }
.ds-lab { font-size: var(--t-small); font-weight: 600; }
.ds-charts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s-5); }
.ds-charts > div { display: grid; gap: var(--s-2); align-content: start; }
.ds-charts p { color: var(--fg-2); font-size: var(--t-small); }
.ds-blks { --blk: 16px; display: grid; gap: 4px; justify-items: start; }
.ds-blks .blk { width: 120px; }
.ds-marks { display: flex; flex-wrap: wrap; gap: var(--s-1); }
.ds-brands { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-4); }
.ds-brand { display: grid; gap: var(--s-3); padding: var(--s-4); background: var(--bg); color: var(--fg); border-radius: var(--radius-lg); box-shadow: inset 0 0 0 1px var(--rule-2); }
.ds-brand-k { font-size: var(--t-h2); font-weight: var(--display-weight); font-stretch: var(--display-width); letter-spacing: var(--display-tracking); }
.ds-brand-s { display: flex; justify-content: space-between; align-items: center; padding: var(--s-3); border-radius: var(--radius); font-size: var(--t-small); }

/* Presentation screen: more presence, same structure */
@media (min-width: 1700px) and (min-height: 950px) {
  :root { --t-hero: 58px; --ticket-w: 372px; }
  .page { max-width: 1780px; padding-inline: var(--s-8); }
  .page-ds { max-width: 1180px; }
  .bridge-slab { width: min(100%, 1320px); }
  .bridge-grid { --blk: 28px; --gap: 5px; }
  .flow-read dd { font-size: var(--t-base); }
}

/* Laptop: narrower rail labels stay, tighter gutters */
@media (max-width: 1340px) {
  .b-v { font-size: 36px; }
  .hedge-main .b-v { font-size: var(--t-h2); }
  .signs-t { display: none; }
  .feed .status-ok:last-child { display: none; }
  .feed .top-sep { display: none; }
  .mk-grid { grid-template-columns: minmax(230px, 300px) minmax(90px, 1fr) 200px; }
  .rp-main { grid-template-columns: minmax(0, 1fr) 240px; }
}

/* Small laptop and tablet landscape: rail folds to icons */
@media (max-width: 1160px) {
  :root { --rail-w: 64px; --ticket-w: 300px; }
  .brandname, .brandbtn > .ic, .nav-label, .env, .dsx-sig span, .review-btn span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .brandbox { padding: var(--s-2) 0; display: grid; justify-items: center; }
  .brandbtn { width: auto; padding: var(--s-2); }
  .menu { left: 8px; right: auto; width: 220px; }
  .nav-item { justify-content: center; padding: 0; }
  .nav-item span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .nav { gap: var(--s-2); }
  .rail-foot { justify-items: center; padding: var(--s-3) 0; }
  .proto-tools { flex-direction: column; }
  .review-btn { width: 36px; height: 32px; flex: none; }
  .hedge-grid { grid-template-columns: minmax(0, 1fr); grid-template-areas: "main" "policy" "hist"; }
  .policy-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flowbar { grid-template-columns: minmax(0, 1fr); gap: var(--s-3); }
  .flow-act { justify-items: stretch; max-width: none; }
  .flow-btns { justify-content: flex-end; }
  .steps { grid-template-columns: repeat(6, auto); justify-content: space-between; }
  .step:not(.is-cur) .step-t { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .rp-main { grid-template-columns: minmax(0, 1fr); }
  .rp-chart { min-height: 0; }
}

/* Tablet portrait */
@media (max-width: 980px) {
  .page-demo .bridge-slab { padding-inline: var(--s-6); }
  .page-demo .bridge-slab::before { inset: 0; transform: none; }
  .desk-grid { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto; grid-template-areas: "chart" "ticket" "book"; }
  .ticket { align-self: stretch; }
  .chartp { min-height: 340px; }
  .mk-grid { grid-template-columns: minmax(0, 1fr) 120px; row-gap: var(--s-4); }
  .mk-root { grid-column: 1 / -1; }
  .fc-kv { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ds-fields, .ds-charts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ds-swatches { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .pay { grid-template-columns: minmax(0, 1fr); }
  .journeys { flex-basis: 100%; justify-content: stretch; }
  .journey { flex: 1 1 0; }
}

/* Phone: the rail becomes a bottom tab bar, the bridge reads top to bottom */
@media (max-width: 720px) {
  :root { --t-h1: 26px; --t-h2: 20px; --t-hero: 30px; }
  .app { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto auto minmax(0, 1fr) auto; }
  .rail { grid-row: 1; grid-column: 1; flex-direction: row; align-items: center; justify-content: space-between; border-right: 0; border-bottom: var(--line-hair) solid var(--rule); padding-right: max(var(--s-3), env(safe-area-inset-right, 0px)); padding-left: max(var(--s-1), env(safe-area-inset-left, 0px)); }
  .rail .nav { display: none; }
  .brandname { position: static; width: auto; height: auto; clip: auto; overflow: visible; }
  .brandname small { display: none; }
  .brandbox { padding: 0; display: block; }
  .rail-foot { display: flex; align-items: center; gap: var(--s-2); border: 0; padding: 0; }
  .proto-tools { flex-direction: row; }
  .review-btn { width: 34px; height: 30px; }
  .menu { left: var(--s-2); width: min(280px, calc(100vw - 32px)); top: 56px; }
  .top { grid-column: 1; grid-row: 2; min-height: 44px; gap: var(--s-2); padding: 0 max(var(--s-3), env(safe-area-inset-right, 0px)) 0 max(var(--s-3), env(safe-area-inset-left, 0px)); }
  .top .ctx, .top .top-sep, .feed .status-ok:last-child { display: none; }
  .top-op .ctx { display: grid; }
  .acctbtn { padding: 0; }
  .signs-btn { padding: 0 var(--s-2); }
  .menu-acct { left: 0; min-width: 240px; }
  .main { grid-column: 1; grid-row: 3; scrollbar-gutter: auto; }
  .tabbar { grid-row: 4; display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); border-top: var(--line) solid var(--fg); background: var(--bg); padding-bottom: env(safe-area-inset-bottom, 0px); padding-left: env(safe-area-inset-left, 0px); padding-right: env(safe-area-inset-right, 0px); }
  .tab-item { display: grid; justify-items: center; gap: 2px; padding: var(--s-2) 0 6px; font-size: 10px; font-weight: 600; color: var(--muted); text-decoration: none; min-height: 52px; }
  .tab-item.is-on { color: var(--fg); box-shadow: inset 0 3px 0 var(--fg); }
  .page { padding: var(--s-4) max(16px, env(safe-area-inset-right, 0px)) var(--s-6) max(16px, env(safe-area-inset-left, 0px)); }
  .page-demo { padding-bottom: 0; }
  .journeys { flex-direction: column; }
  .journey { flex: none; }
  .bridge-slab { padding: var(--s-4); }
  .page-demo .bridge-slab { padding: var(--s-6); }
  .page-demo .bridge-grid { grid-template-columns: minmax(0, 1fr); }
  .bridge-slab::before { inset: 0; transform: none; }
  .bridge-foot { margin-inline: 0; }
  .bridge-grid { grid-template-columns: minmax(0, 1fr); grid-template-areas: "k1" "v1" "s1" "b1" "a1" "k2" "v2" "s2" "b2" "a2" "k3" "v3" "s3" "b3"; grid-template-rows: none; --blk: 11px; --gap: 3px; }
  .b-arrow { padding: var(--s-2) 0; }
  .b-arrow .ic { transform: rotate(90deg); }
  .b-line { display: none; }
  .bridge-foot { grid-template-columns: minmax(0, 1fr); }
  .delta { justify-items: start; }
  .legend-blk span { margin-left: 0; }
  .flowbar { display: contents; }
  .flow-read { padding-top: var(--s-3); border-top: var(--line-head) solid var(--fg); }
  .flow-act { position: sticky; bottom: 0; z-index: 5; padding: var(--s-2) 0 var(--s-3); background: var(--bg); }
  .flow-read { grid-template-columns: minmax(0, 1fr); gap: var(--s-2); }
  .flow-btns { flex-wrap: wrap; justify-content: stretch; }
  .flow-btns .btn { flex: 1 1 100%; }
  .scene, .rp-start { grid-template-columns: minmax(0, 1fr); padding: var(--s-5); }
  .scene-act { justify-items: stretch; }
  .scene-act .btn { white-space: normal; padding-block: var(--s-2); }
  .scene-note { text-align: left; max-width: none; }
  .facts, .facts-2, .links3 { grid-template-columns: minmax(0, 1fr); gap: var(--s-3); }
  .risk { gap: var(--s-3) var(--s-5); }
  .rk-meter { max-width: none; flex-basis: 40%; }
  .rk-eq { flex-basis: 100%; }
  .chart-ctl { margin-left: 0; flex-wrap: wrap; }
  .ohlc { flex-wrap: wrap; }
  .pstep { grid-template-columns: minmax(0, 1fr); }
  .pstep-a { display: none; }
  .mk-grid { grid-template-columns: minmax(0, 1fr); }
  .mk-graph { display: none; }
  .fc-kv { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ach-chain { grid-template-columns: minmax(0, 1fr); padding: var(--s-5); }
  .ach-a { transform: rotate(90deg); justify-self: start; }
  .rp-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rp-mark { width: 26px; height: 26px; margin: -13px 0 0 -13px; }
  .transport { flex-wrap: wrap; }
  .transport .range { flex-basis: 100%; order: 3; }
  .page-hedge .mode { justify-content: start; }
  .mode-k, .mode-d { text-align: left; }
  .kvs-2 { grid-template-columns: minmax(0, 1fr); }
  .ds-head, .ds-signs, .ds-brands, .ds-lines { grid-template-columns: minmax(0, 1fr); }
  .ds-tr { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .ds-fields, .ds-charts { grid-template-columns: minmax(0, 1fr); }
  .policy-grid { grid-template-columns: minmax(0, 1fr); }
  #toast-root { left: var(--s-3); right: var(--s-3); top: 64px; justify-items: stretch; }
}

/* Real account IDs and financial evidence are longer than prototype labels. */
.acctbtn>b { max-width: min(30vw, 350px); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.menu-acct { max-height: 65vh; overflow: auto; }
.menu-acct .menu-item>b { overflow: hidden; text-overflow: ellipsis; }
.scene .kvs { min-width: 0; }
.policy { margin-block: var(--s-6); }
.tbl code { overflow-wrap: anywhere; }
.page-proofs .mk-fills { max-height: 880px; overflow: auto; }
.page-proofs .fillcard { min-width: 0; }
@media(max-width:640px) { .acctbtn>b { max-width: 34vw; } .policy-grid { grid-template-columns:1fr; } .scene { overflow:hidden; } }
.page-head>div { min-width: 0; }
.page-proofs h1, .scene h2 { overflow-wrap: anywhere; }
@media(max-width:720px) {
  html, body { overflow-x: clip; }
  .app { width:100%; min-width:0; }
  .main { overflow-x:hidden; }
  .page, .page-narrow, .empty { min-width:0; max-width:100%; }
  .empty p { overflow-wrap:anywhere; }
  .empty-act { width:100%; }
  .empty-act .btn { max-width:100%; white-space:normal; }
  .empty-act .btn span { min-width:0; overflow-wrap:anywhere; }
  .top-l { flex:1; }
  .top-r { flex:none; }
  .top .feed { display:none; }
  .acctbtn { min-width:0; max-width:100%; gap:var(--s-1); }
  .acctbtn .status span { max-width:90px; overflow:hidden; text-overflow:ellipsis; }
  .rail .review-btn { width:auto; min-width:44px; padding-inline:var(--s-2); }
}
.leaf>.hint { grid-column:1 / -1; padding-inline:var(--s-2); }