/* Demo UI layout. Colours only through brand.css tokens — no literals here
   (enforced by tests/test_brand_palette.py). Glass, tabs, badges and labels are brand.css classes. */

*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: dark; }  /* native scrollbars and controls follow the dark shell */
.optix-paper { color-scheme: light; }

body {
  min-height: 100vh;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  padding-block: 0 32px;
  margin: 0;
}
.shell { max-width: 1240px; margin: 0 auto; }

/* ---------- top bar: lockup · tabs · acting as ---------- */
.bar {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  margin: 14px 0 22px; padding: 10px 12px 10px 18px; border-radius: 20px;
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 12px 18px; align-items: center;
}
.brandmark { display: grid; gap: 6px; justify-items: start; }
.bar .lockup { height: 28px; width: auto; display: block; }
.bar .optix-tabs { justify-self: center; }
.who { display: flex; align-items: center; gap: 10px; min-width: 0; margin: 0; }
.who select { min-width: 0; max-width: min(100%, 17rem); }
.who label { white-space: nowrap; }

/* ---------- controls ---------- */
select, input, textarea {
  font: inherit; color: var(--optix-text);
  background: var(--optix-glass-well); border: 1px solid var(--optix-glass-line-2);
  border-radius: var(--optix-radius); padding: 8px 11px;
}
textarea { width: 100%; min-height: 62px; resize: vertical; }
input:not([type="hidden"]) { width: 100%; }
select:focus-visible, input:focus-visible, textarea:focus-visible { outline: 2px solid var(--optix-ice); outline-offset: 2px; }

/* ---------- content ---------- */
h1 { margin: 0 0 8px; text-wrap: balance; }
h2 { margin: 26px 0 10px; text-wrap: balance; }
h3 { margin: 0 0 8px; font-size: 14px; }
main a { color: var(--optix-ice); }  /* identifiers are Ice (rule 5); OPTIX Blue fails body-text contrast on navy */
.crumbs { font-size: 12.5px; color: var(--optix-text-2); margin: 0 0 6px; }
.crumbs a { color: var(--optix-text-2); }
.panel { padding: 18px 20px; margin: 0 0 14px; min-width: 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; margin-bottom: 14px; }
.grid > .panel { margin: 0; }
.wrap { overflow-x: auto; }
.muted { color: var(--optix-text-2); }
.mono { font-family: var(--optix-font-mono); font-size: 12px; font-variant-numeric: tabular-nums; }
.rejected, .rejected td { color: var(--optix-blocked-fg); }
pre { white-space: pre-wrap; word-break: break-word; margin: 0; }

table { border-collapse: collapse; width: 100%; font-size: 13px; }
th {
  text-align: left; font: 600 9px/1.2 var(--optix-font-head); letter-spacing: .16em; text-transform: uppercase;
  color: var(--optix-text-2); padding: 10px 8px; border-bottom: 1px solid var(--optix-glass-line-2); white-space: nowrap;
}
td { padding: 9px 8px; border-bottom: 1px solid var(--optix-glass-line); vertical-align: top; }
tr:last-child td { border-bottom: 0; }

/* action forms and lifecycle */
form.action { display: grid; gap: 10px; margin: 0 0 10px; }
form.action label { display: grid; gap: 6px; font: 600 9.5px/1.2 var(--optix-font-head); letter-spacing: .2em; text-transform: uppercase; color: var(--optix-sky); }
form.action .row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.state { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.state span { padding: 4px 12px; border-radius: 999px; border: 1px solid var(--optix-glass-line); font-size: 12px; color: var(--optix-text-2); }
.state span.on { border-color: var(--optix-blue); color: var(--optix-text); background: var(--optix-glass-tint); }
details summary { cursor: pointer; color: var(--optix-text-2); }

/* outcome notice after an action */
.notice { padding: 11px 14px; border-radius: var(--optix-radius); margin: 0 0 16px; font-size: 13px; border: 1px solid; }
.notice.ok { color: var(--optix-ready-fg); background: var(--optix-ready-bg); border-color: var(--optix-ready-bg); }
.notice.bad { color: var(--optix-blocked-fg); background: var(--optix-blocked-bg); border-color: var(--optix-blocked-bg); }

.signout { margin: 0; }
.linkish { font: inherit; color: var(--optix-text-2); background: none; border: 0; padding: 0; cursor: pointer; text-decoration: underline; }
.linkish:hover { color: var(--optix-ice); }
.login { max-width: 420px; margin: 14vh auto 0; padding: 28px; display: grid; gap: 16px; }
.login .lockup, .login .optix-label { justify-self: start; }
.login .lockup { height: 30px; width: auto; }
.login h1 { margin: 4px 0 0; font-size: 22px; }
.login form { display: grid; gap: 12px; }
.login label { display: grid; gap: 6px; }
.login .optix-btn-primary { justify-self: start; }
.foot { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: var(--optix-text-3); font-size: 12px; padding: 22px 4px 0; }

@media (max-width: 1000px) {
  .bar { grid-template-columns: auto minmax(0, 1fr); }
  .who { grid-column: 2; grid-row: 1; justify-self: end; }
  .bar .optix-tabs { grid-column: 1 / -1; grid-row: 2; justify-self: stretch; }
}
@media (max-width: 640px) {
  .bar { position: static; grid-template-columns: minmax(0, 1fr); padding: 12px; }
  .bar .lockup { height: 22px; }
  .who { grid-column: 1; grid-row: 3; justify-self: stretch; justify-content: space-between; }
  .who select { max-width: 100%; }
  .panel { padding: 16px; }
}

/* ---------- Overview (UI plan step 3) ---------- */
.small { font-size: 12px; }
.row { display: flex; flex-wrap: wrap; gap: 8px 10px; align-items: center; margin-top: 8px; }
.panel-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }
.panel-head h2 { margin: 6px 0 4px; }
.panel-head .muted { font-size: 12.5px; margin: 0; }

.hero { padding: 24px 26px; margin-bottom: 14px; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: end; position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; left: 26px; right: 26px; bottom: 0; height: 2px; border-radius: 1px; background: var(--optix-x); opacity: .75; }
.hero h1 { margin: 10px 0; max-width: 28ch; }
.hero__text .muted { max-width: 70ch; margin: 0; }
.hero__side { display: grid; gap: 10px; justify-items: end; text-align: right; max-width: 34ch; }
.hero__next { font-size: 12.5px; }
.hero__side .optix-btn-primary { text-decoration: none; display: inline-block; }

.kpis { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; margin-bottom: 14px; }
.kpi__row { display: flex; justify-content: space-between; align-items: center; gap: 6px 8px; flex-wrap: wrap; }
.tone--ready { color: var(--optix-ready-fg); } .tone--review { color: var(--optix-review-fg); } .tone--blocked { color: var(--optix-blocked-fg); }
.meter { height: 6px; border-radius: 999px; overflow: hidden; display: flex; gap: 2px; background: var(--optix-glass-line); }
.meter i { flex: 1; display: block; }
.meter--ready, .dot--ready { background: var(--optix-ready); fill: var(--optix-ready); }
.meter--review, .dot--review { background: var(--optix-review); fill: var(--optix-review); }
.meter--blocked, .dot--blocked { background: var(--optix-blocked); fill: var(--optix-blocked); }

.chain { padding: 12px 14px; margin-bottom: 14px; display: grid; grid-template-columns: repeat(auto-fit, minmax(128px, 1fr)); gap: 8px; }
.stage { display: grid; gap: 5px; align-content: start; padding: 10px 11px; border-radius: 12px; background: var(--optix-glass-well); border: 1px solid var(--optix-glass-line); min-width: 0; }
.stage__n { color: var(--optix-text-3); font-size: 10.5px; }
.stage__t { font: 600 12px/1.3 var(--optix-font-head); }
.stage__s { font-size: 11.5px; line-height: 1.35; color: var(--optix-text-2); }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: 6px; vertical-align: 1px; }

.ov-main { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(300px, 1fr); gap: 14px; align-items: start; }
.ov-main > .panel { margin: 0; }
.graph { overflow-x: auto; border-radius: 12px; background: var(--optix-glass-well); border: 1px solid var(--optix-glass-line); }
.graph svg { display: block; width: 100%; min-width: 760px; height: auto; }
.edge { fill: none; stroke: var(--optix-glass-line-2); stroke-width: 1; }
.edge--active { stroke: var(--optix-blue); stroke-width: 1.6; }
.edge--dotted { stroke: var(--optix-sky); stroke-dasharray: 2 5; stroke-linecap: round; opacity: .7; }
.is-dim { opacity: .16; }
.node rect { fill: var(--optix-surface-2); stroke: var(--optix-glass-line-2); stroke-width: 1; transition: stroke .18s; }
.node:hover rect { stroke: var(--optix-ice); }
.node.is-sel rect { stroke: var(--optix-blue); stroke-width: 1.8; }
.node:focus-visible rect { stroke: var(--optix-ice); stroke-width: 2; }
.node__t { fill: var(--optix-text); font: 600 11.5px var(--optix-font-head); }
.node__k { fill: var(--optix-ice); font: 400 9.5px var(--optix-font-mono); }
.node__m { fill: var(--optix-text-2); font: 400 10px var(--optix-font-body); }
.legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: 11.5px; color: var(--optix-text-2); padding: 10px 2px 0; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend .dot { margin: 0; }
.ln { width: 18px; border-top: 1.6px solid var(--optix-blue); display: inline-block; }
.ln--dotted { border-top: 1.6px dotted var(--optix-sky); }

.detail { display: grid; gap: 14px; align-content: start; }
.detail__key { margin: 6px 0 0; font-size: 15px; color: var(--optix-ice); word-break: break-all; }
.kv { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 12px; margin: 0; font-size: 13px; align-items: baseline; }
.kv dt { color: var(--optix-text-2); }
.kv dd { margin: 0; text-align: right; }
.well { display: grid; gap: 8px; padding: 12px 13px; border-radius: 12px; background: var(--optix-glass-well); border: 1px solid var(--optix-glass-line); }
.well p { margin: 0; }
.rule { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 10px; align-items: baseline; font-size: 12.5px; }
.outcome { font: 600 9.5px/1 var(--optix-font-head); letter-spacing: .12em; text-transform: uppercase; padding: 4px 6px; border-radius: var(--optix-radius-sm); color: var(--optix-text-2); background: var(--optix-glass-line); }
.outcome--pass { color: var(--optix-ready-fg); background: var(--optix-ready-bg); }
.outcome--fail, .outcome--unmatched, .outcome--ambiguous, .outcome--currency_mismatch { color: var(--optix-blocked-fg); background: var(--optix-blocked-bg); }
.srcs { display: flex; flex-wrap: wrap; gap: 6px; }
.src { color: var(--optix-ice); padding: 4px 7px; border-radius: 6px; background: var(--optix-glass-line); font-size: 11px; }
.detail .optix-btn-glass { justify-self: start; text-decoration: none; }

@media (max-width: 1100px) {
  .kpis { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ov-main { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .hero { grid-template-columns: minmax(0, 1fr); padding: 20px; }
  .hero__side { justify-items: start; text-align: left; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- Review items (UI plan step 4) ---------- */
.page-head { margin: 0 2px 16px; }
.page-head h1 { margin: 8px 0 6px; }
.rv { display: grid; grid-template-columns: minmax(280px, .8fr) minmax(0, 1.35fr); gap: 14px; align-items: start; }
.items { display: grid; gap: 10px; min-width: 0; }
.item { display: grid; gap: 8px; padding: 14px 16px; border-radius: 14px; color: var(--optix-text); text-decoration: none; min-width: 0; transition: border-color .18s; }
.item:hover { border-color: var(--optix-glass-line-2); text-decoration: none; }
.item.is-current { border-color: var(--optix-blue); }
.item__top { display: flex; justify-content: space-between; align-items: center; gap: 8px 10px; flex-wrap: wrap; min-width: 0; }
.item__top code { overflow-wrap: anywhere; }
.item__meta { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 12px; color: var(--optix-text-2); }
.item__meta .id { color: var(--optix-ice); }
.item-panel { display: grid; gap: 14px; margin: 0; }
.item-panel h2 { margin: 6px 0 0; font-size: 17px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 6px; }
.step { display: grid; gap: 3px; padding: 10px; border-radius: 11px; border: 1px solid var(--optix-glass-line); background: var(--optix-glass-well); font-size: 12px; color: var(--optix-text-2); }
.step b { font: 600 11.5px/1.2 var(--optix-font-head); }
.step.is-done { border-color: var(--optix-glass-line-2); }
.step.is-done b { color: var(--optix-sky); }
.step.is-now { border-color: var(--optix-blue); background: var(--optix-glass-tint); color: var(--optix-text); }
.well form.action { margin: 4px 0 0; }
@media (max-width: 1000px) { .rv { grid-template-columns: minmax(0, 1fr); } }

/* ---------- Reconciliation (UI plan step 5) ---------- */
.rc { display: grid; grid-template-columns: repeat(auto-fit, minmax(330px, 1fr)); gap: 14px; align-items: start; margin-bottom: 14px; }
.rc > .panel { margin: 0; display: grid; gap: 12px; }
.rc .panel-head { margin-bottom: 0; }
.key { margin: 6px 0 0; font-size: 15px; color: var(--optix-ice); }
.eval { display: grid; gap: 8px; padding: 12px 13px; border-radius: 12px; background: var(--optix-glass-well); border: 1px solid var(--optix-glass-line); min-width: 0; }
.eval p { margin: 0; }
.eval__head { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: baseline; font-size: 13px; }
.eval__title { min-width: 0; }
.eval__code { font-size: 11px; color: var(--optix-text-2); overflow-wrap: anywhere; }
.outcome--not_applicable { color: var(--optix-text-3); }
.bars { display: grid; gap: 8px; }
.vbar { display: grid; grid-template-columns: minmax(96px, auto) minmax(40px, 1fr) auto auto; gap: 10px; align-items: center; font-size: 12px; }
.track { height: 8px; border-radius: 999px; background: var(--optix-glass-line); overflow: hidden; }
.track i { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--optix-sky), var(--optix-ice)); }
.amt { text-align: right; min-width: 6ch; }
.diff { font-size: 12px; }
.diff--zero { color: var(--optix-ready-fg); }
.diff--off { color: var(--optix-blocked-fg); }
.req { margin: 0; padding-left: 18px; font-size: 12.5px; display: grid; gap: 4px; }
.req .is-missing { color: var(--optix-blocked-fg); }

/* ---------- Carrier report (UI plan step 6): light paper document, never glass ---------- */
.paper { margin-bottom: 14px; display: grid; gap: 18px; box-shadow: var(--optix-glass-shadow); }
.paper__head { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; flex-wrap: wrap; }
.paper__head h2 { margin: 6px 0 4px; color: var(--optix-text); }
.paper .optix-eyebrow { color: var(--optix-inferred); }
.paper a { color: var(--optix-blue); }
.paper code { color: var(--optix-text); }
.paper th { color: var(--optix-text-2); border-bottom-color: var(--optix-border); }
.paper td { border-bottom-color: var(--optix-border); }
.report th, .report td { white-space: nowrap; }
.report th.r, .report td.r { text-align: right; }
.report tr.is-out td { color: var(--optix-text-2); }
.report td.is-unknown { color: var(--optix-text-3); }
.report tr.total td { font-weight: 600; border-top: 2px solid var(--optix-blue); color: var(--optix-text); }
.reasons { display: grid; gap: 10px; }
.reasons .reason { padding: 12px 14px; border-radius: 12px; background: var(--optix-surface); border: 1px solid var(--optix-border); display: grid; gap: 6px; }
.reasons .reason p { margin: 0; }
.trace details { border-top: 1px solid var(--optix-glass-line); padding: 8px 0; }
.trace summary { padding: 4px 0; }
.trace table { margin-top: 8px; }
.page-head .row .optix-btn-primary, .page-head .row .optix-btn-glass { text-decoration: none; display: inline-block; }

/* ---------- Event log (UI plan step 7) ---------- */
.events td { font-size: 12px; }
.events td.seq { color: var(--optix-text-3); }
.events td.reason { min-width: 260px; color: var(--optix-text-2); }
.events tr.is-workflow td { background: var(--optix-glass-line); }
.events tr.is-rejected td { background: var(--optix-blocked-bg); }
.events tr.is-rejected td.mono:nth-child(3) { color: var(--optix-blocked-fg); }
.events .dot { margin-right: 7px; }

/* ---------- Record page (UI plan step 8) ---------- */
.record { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, 1fr); gap: 14px; align-items: start; margin-bottom: 14px; }
.record > .panel, .record__side > .panel { margin: 0; }
.record__side { display: grid; gap: 14px; min-width: 0; }
.record-key { font-size: 24px; color: var(--optix-ice); overflow-wrap: anywhere; }
.rel { margin: 6px 0; display: flex; flex-wrap: wrap; gap: 6px; align-items: baseline; }
.rel .dot, .rel .ln { margin: 0 2px 0 0; }
@media (max-width: 1000px) { .record { grid-template-columns: minmax(0, 1fr); } }

/* ---------- At scale (client demo L6): alerts, filters, pages, findings, breakdowns, record list ---------- */
.alert { display: flex; gap: 10px; align-items: baseline; padding: 11px 16px; border-radius: var(--optix-radius); margin: -8px 0 16px; font-size: 13px; }
.alert .optix-eyebrow { margin-right: 6px; }
.alert .dot { flex: none; margin: 0; }

.filters { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px 12px; align-items: end; margin: 0 0 14px; }
.filters label { display: grid; gap: 6px; min-width: 0; }
.filters select { width: 100%; }
.filters__q { grid-column: span 2; }
.filters__go { display: flex; gap: 12px; align-items: center; }
.filters--bar { display: flex; flex-wrap: wrap; gap: 10px 12px; }
.filters--bar label { min-width: 220px; }
.filters--bar .filters__q { min-width: 260px; }
.list-head { margin: 0 2px 14px; align-items: end; }
.list-head .filters { margin: 0; }
.paper__tools { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; align-items: end; }
.paper__tools .filters { margin: 0; }

.pager { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; justify-content: flex-end; margin: 12px 0 4px; }
.pager .optix-btn-glass { text-decoration: none; display: inline-block; }
.pager > span:first-child { margin-right: auto; }

.ov-scale { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr); gap: 14px; margin-bottom: 14px; align-items: start; }
.ov-scale > .panel { margin: 0; }
.ov-scale h2 { margin-top: 6px; }
.ov-left { display: grid; gap: 14px; min-width: 0; }
.ov-left > .panel { margin: 0; }
.fl { display: grid; gap: 10px; }
.fl__row { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(60px, 1fr) auto; gap: 4px 12px; align-items: center; }
.fl__code { min-width: 0; overflow-wrap: anywhere; }
.fl__n { text-align: right; min-width: 4ch; }
.fl__meta { grid-column: 1 / -1; padding-left: 14px; }
.hbar { height: 6px; border-radius: 999px; background: var(--optix-glass-line); overflow: hidden; }
.hbar i { display: block; height: 100%; border-radius: 999px; }
.bd-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px 18px; }
.bd { display: grid; gap: 6px; align-content: start; min-width: 0; }
.bd h3 { margin: 0 0 4px; font: 600 9.5px/1.2 var(--optix-font-head); letter-spacing: .2em; text-transform: uppercase; color: var(--optix-sky); }
.bd__row { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(50px, 1fr) auto; gap: 10px; align-items: center; font-size: 12px; color: var(--optix-text); text-decoration: none; padding: 3px 4px; border-radius: 6px; }
.bd__row:hover { background: var(--optix-glass-line); text-decoration: none; }
.bd__v { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bd__bar .meter { min-width: 4px; }
.bd__n { text-align: right; min-width: 3ch; color: var(--optix-text-2); }

.records td { font-size: 12.5px; }
.records th { white-space: normal; min-width: 9ch; vertical-align: bottom; }
.records .optix-badge { white-space: nowrap; }
.records td.r { text-align: right; white-space: nowrap; }
.records tr.is-sel td { background: var(--optix-glass-tint); }
.records tr.is-sel td:first-child { box-shadow: inset 2px 0 0 var(--optix-blue); }
.eval .kv { grid-template-columns: max-content minmax(0, 1fr); }
.eval .kv dd { overflow-wrap: anywhere; }
.nowrap, .nowrap .optix-badge { white-space: nowrap; }
.rc--inline { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); margin: 0; }
.rel-group { margin: 12px 0 4px; }

@media (max-width: 1000px) { .ov-scale { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 640px) {
  .filters { grid-template-columns: minmax(0, 1fr); }
  .filters__q { grid-column: auto; }
  .filters--bar label, .filters--bar .filters__q { min-width: 0; flex: 1 1 100%; }
  .pager { justify-content: space-between; }
  .pager > span:first-child { flex-basis: 100%; }
}