/* Shared styles for all Demo Agent apps (GAMI brand).
   Petrol #00957E     – main heading, primary buttons, input borders, table headers
   Dark blue #144466  – section headings, secondary buttons
   Dark grey #444444  – buttons while pressed
   White #FFFFFF      – text on coloured areas, input background
   rgba(0,0,0,.06)    – light shadow on input fields
   Charts: light background with the validated default data palette. */
:root {
  color-scheme: light;
  --primary: #00957E;
  --heading: #144466;
  --pressed: #444444;
  --on-color: #FFFFFF;
  --input-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
  --chart-bg: #fcfcfb;

  --page: #f7f8f8;
  --surface: #FFFFFF;
  --text: #1a1a1a;
  --text-2: #4d4d4d;
  --muted: #7a7a7a;
  --line: #e3e3e3;
  --border: rgba(0, 0, 0, 0.10);

  /* chart ink */
  --chart-ink: #0b0b0b;
  --chart-ink-2: #898781;
  --chart-label: #52514e;
  --chart-grid: #e1e0d9;
  --chart-axis: #c3c2b7;

  /* data colours (fixed order) */
  --c1: #2a78d6;  /* blue: OK / control / IPW / model */
  --c2: #eb6834;  /* orange: NOK / treated / experiments */
  --c3: #1baf7a;  /* aqua: PSM / acquisition */
  --cm: #898781;  /* neutral: naive / before */
  --muted-fill: #c3c2b7;
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100;
  --s5: #e87ba4; --s6: #008300; --s7: #6250d6;

  --good: #0a7d0a; --critical: #c0392b;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--page); color: var(--text); font-size: 14px; line-height: 1.5; }
h1 { font-size: 20px; margin: 0; color: var(--primary); }
h2 { font-size: 16px; margin: 0 0 8px; color: var(--heading); }
h3 { font-size: 14px; margin: 0 0 8px; color: var(--heading); }
code { font-size: 12px; background: #eef1f1; padding: 1px 5px; border-radius: 4px; }
small, .hint { color: var(--text-2); font-size: 12px; }
.muted { color: var(--muted); font-weight: normal; }

.topbar { gap: 16px; display: flex; justify-content: space-between; align-items: center; padding: 14px 24px; border-bottom: 3px solid var(--primary); background: var(--surface); position: sticky; top: 0; z-index: 5; }
.subtitle { margin: 2px 0 0; color: var(--text-2); }
.busy { background: var(--primary); color: var(--on-color); padding: 4px 12px; border-radius: 999px; font-size: 12px; }

.layout > main { min-width: 0; }
.layout { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 20px; padding: 20px 24px; align-items: start; }
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } }

.panel { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px; position: sticky; top: 80px; max-height: calc(100vh - 100px); overflow: auto; }
.panel h3 { margin-top: 16px; }
.field { display: flex; flex-direction: column; gap: 4px; margin: 12px 0; font-weight: 500; }
.field.range { display: grid; grid-template-columns: 1fr auto; gap: 2px 8px; }
.field.range input, .field.range small { grid-column: 1 / -1; }
.field output { font-variant-numeric: tabular-nums; color: var(--heading); font-weight: 600; }
.field small { font-weight: normal; }
.field .row { display: flex; gap: 8px; }
.field .row input { flex: 1; min-width: 0; }
input[type=range], input[type=checkbox] { accent-color: var(--primary); }
input[type=range] { width: 100%; }
select, input[type=number] { font: inherit; padding: 6px 8px; border: 1px solid var(--primary); border-radius: 6px; background: var(--on-color); color: var(--text); box-shadow: var(--input-shadow); }
select:focus, input[type=number]:focus { outline: 2px solid color-mix(in srgb, var(--primary) 35%, transparent); outline-offset: 1px; }

button { font: inherit; padding: 7px 14px; border-radius: 6px; border: 1px solid var(--primary); background: var(--primary); color: var(--on-color); cursor: pointer; white-space: nowrap; }
button.secondary { background: var(--heading); border-color: var(--heading); color: var(--on-color); }
button:hover:not(:disabled) { filter: brightness(1.08); }
button:active:not(:disabled) { background: var(--pressed); border-color: var(--pressed); filter: none; }
button:disabled { opacity: .5; cursor: default; }
.toggle { display: flex; gap: 8px; align-items: center; margin: 16px 0 8px; font-weight: 500; }
.panel-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

.tabs { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 16px; border-bottom: 1px solid var(--border); }
.tabs button { background: none; border: none; border-bottom: 3px solid transparent; color: var(--text-2); border-radius: 0; padding: 8px 12px; }
.tabs button:hover { filter: none; color: var(--heading); }
.tabs button:active { background: none; color: var(--pressed); }
.tabs button[aria-selected=true] { color: var(--heading); border-bottom-color: var(--primary); font-weight: 600; }
.tab { display: none; }
.tab.active { display: block; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px; margin-bottom: 16px; min-width: 0; }
.card.note { color: var(--text-2); }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 16px; }
.grid2 .card { margin-bottom: 0; }
.grid2 + .card, .grid2 { margin-bottom: 16px; }
.controls { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: flex-end; }
.controls .field { margin: 0; min-width: 180px; }
.controls .grow { flex: 1; min-width: 240px; }
.checks { border: none; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 14px; flex-direction: row; }
.checks legend { padding: 0; margin-bottom: 4px; }
.checks label { font-weight: normal; display: flex; gap: 4px; align-items: center; }

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-top: 3px solid var(--primary); border-radius: 12px; padding: 12px 16px; }
.kpi .k-label { color: var(--heading); font-size: 12px; font-weight: 600; }
.kpi .k-value { font-size: 24px; font-weight: 600; margin-top: 2px; }
.kpi .k-sub { color: var(--muted); font-size: 12px; }
.kpi.truth { border-style: dashed; border-top-style: solid; border-top-color: var(--heading); }

.pipeline { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.step { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px; }
.step p { color: var(--text-2); font-size: 13px; margin: 4px 0 8px; }
.step .num { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--primary); color: var(--on-color); font-size: 12px; font-weight: 600; margin-bottom: 6px; }
.experiments li { margin-bottom: 6px; }

.table-wrap { overflow-x: auto; border-radius: 8px; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { padding: 6px 10px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
th { background: var(--primary); color: var(--on-color); font-weight: 600; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.clickable { cursor: pointer; }
tr.clickable:hover { background: color-mix(in srgb, var(--primary) 7%, transparent); }
tr.selected { background: color-mix(in srgb, var(--primary) 15%, transparent); }
.badge { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 999px; border: 1px solid var(--border); color: var(--text-2); }
.badge.good { color: var(--good); border-color: var(--good); }
.badge.crit { color: var(--critical); border-color: var(--critical); }

footer { text-align: center; color: var(--muted); font-size: 12px; padding: 12px 24px 24px; }

/* ---------- Charts ---------- */
.chart { width: 100%; }
.chart > p { margin: 0; color: var(--chart-ink); }
.chart svg { display: block; overflow: visible; }
.chart text { font-family: inherit; }
.tick { fill: var(--chart-ink-2); font-size: 11px; font-variant-numeric: tabular-nums; }
.label { fill: var(--chart-label); font-size: 12px; }
.value { fill: var(--chart-ink); font-size: 12px; font-variant-numeric: tabular-nums; }
.grid { stroke: var(--chart-grid); stroke-width: 1; }
.axis { stroke: var(--chart-axis); stroke-width: 1; }
.ref { stroke: var(--chart-label); stroke-width: 1.5; stroke-dasharray: 4 3; }
.ref-strong { stroke: var(--chart-ink); stroke-width: 2; }
.ref-label { fill: var(--chart-label); font-size: 11px; paint-order: stroke; stroke: var(--chart-bg); stroke-width: 3px; stroke-linejoin: round; }
.connector { stroke: var(--chart-axis); stroke-width: 2; }
.whisker { stroke-width: 2; }

.mark-1 { fill: var(--c1); } .mark-2 { fill: var(--c2); } .mark-muted { fill: var(--muted-fill); }
.h1-fill { fill: var(--c1); fill-opacity: .16; } .h1-line { stroke: var(--c1); stroke-width: 2; }
.h2-fill { fill: var(--c2); fill-opacity: .16; } .h2-line { stroke: var(--c2); stroke-width: 2; }
.dot { stroke: var(--chart-bg); stroke-width: 2; }
.c1 { fill: var(--c1); } .c2 { fill: var(--c2); } .c3 { fill: var(--c3); } .cm { fill: var(--cm); } .truth { fill: var(--chart-ink); }
circle.cm[fill-opacity="0"] { stroke: var(--cm); }
.c1-stroke { stroke: var(--c1); } .c3-stroke { stroke: var(--c3); } .cm-stroke { stroke: var(--cm); }
.seg { stroke: var(--chart-bg); stroke-width: 2; }
.cat-1 { fill: var(--s1); } .cat-2 { fill: var(--s2); } .cat-3 { fill: var(--s3); } .cat-4 { fill: var(--s4); }
.cat-5 { fill: var(--s5); } .cat-6 { fill: var(--s6); } .cat-7 { fill: var(--s7); }
.hit:hover rect[fill=transparent] { fill: var(--chart-grid); fill-opacity: .45; }
rect.hit:hover { fill: var(--chart-grid); fill-opacity: .45; }
.seg.hit:hover { fill-opacity: .8; }

.legend { display: flex; flex-wrap: wrap; gap: 4px 16px; margin-bottom: 8px; font-size: 12px; color: var(--text-2); }
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.swatch { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.swatch.c1 { background: var(--c1); } .swatch.c2 { background: var(--c2); } .swatch.c3 { background: var(--c3); }
.swatch.cm { background: var(--cm); } .swatch.truth { background: var(--chart-ink); }
.swatch.cat-1 { background: var(--s1); } .swatch.cat-2 { background: var(--s2); } .swatch.cat-3 { background: var(--s3); } .swatch.cat-4 { background: var(--s4); }
.swatch.cat-5 { background: var(--s5); } .swatch.cat-6 { background: var(--s6); } .swatch.cat-7 { background: var(--s7); }
.swatch.round { border-radius: 50%; } .swatch.diamond { transform: rotate(45deg) scale(.85); border-radius: 1px; }
.swatch.hollow { background: transparent !important; border: 2px solid var(--cm); border-radius: 50%; }
.swatch.solid { height: 0; width: 16px; border-top: 2px solid var(--chart-ink); border-radius: 0; background: none; }
.swatch.dash { height: 0; width: 16px; border-top: 2px dashed var(--chart-label); border-radius: 0; background: none; }

#tooltip { position: fixed; pointer-events: none; opacity: 0; background: var(--surface); color: var(--text); border: 1px solid var(--border); border-left: 3px solid var(--primary); box-shadow: 0 4px 16px rgba(0,0,0,.12); border-radius: 8px; padding: 8px 10px; font-size: 12px; max-width: 320px; z-index: 50; transition: opacity .08s; }

/* ---------- Shared top bar ---------- */
.brand-block { display: flex; align-items: center; gap: 16px; min-width: 0; }
.brand { display: flex; align-items: center; flex: none; }
.brand img { height: 56px; width: auto; display: block; }
.topbar-right { display: flex; align-items: center; gap: 12px; flex: none; }
.back { color: var(--heading); text-decoration: none; font-weight: 600; font-size: 13px; padding: 6px 12px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); }
.back:hover { border-color: var(--primary); color: var(--primary); }
@media (max-width: 700px) { .subtitle { display: none; } .brand img { height: 40px; } }

/* ---------- Extra button styles ---------- */
button.ghost { background: var(--on-color); color: var(--primary); border-color: var(--primary); }
button.ghost:active:not(:disabled) { background: var(--pressed); border-color: var(--pressed); color: var(--on-color); }
button.big { padding: 10px 20px; font-size: 15px; font-weight: 600; border-radius: 8px; }
.badge.best { color: var(--heading); border-color: var(--heading); }

/* ---------- Smart DoE ---------- */
.flow { margin: 8px 0 0; padding-left: 20px; color: var(--text-2); }
.flow li { margin-bottom: 4px; }
.doe-controls { display: grid; gap: 14px; }
.doe-actions, .doe-entry, .doe-extra { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.next-table { width: auto; border-collapse: separate; border-spacing: 0; border: 2px solid var(--primary); border-radius: 8px; overflow: hidden; font-size: 15px; }
.next-table th { padding: 10px 16px; }
.next-table td { padding: 10px 24px; min-width: 110px; text-align: center; font-weight: 700; font-size: 18px; color: var(--heading); border: none; font-variant-numeric: tabular-nums; }
#y-input { font: inherit; font-size: 15px; font-weight: 600; text-align: center; width: 180px; padding: 9px 12px; border: 2px solid var(--primary); border-radius: 8px; background: var(--on-color); box-shadow: 0 0 15px 4px rgba(0, 0, 0, 0.06); }
#y-input:disabled { opacity: .5; }
#y-input:focus { outline: 2px solid color-mix(in srgb, var(--primary) 35%, transparent); outline-offset: 1px; }
#doe-msg.warn { color: var(--critical); }
.chart .empty { display: block; text-align: center; padding: 80px 16px; color: var(--text-2); border: 1px dashed var(--border); border-radius: 8px; padding: 16px; margin: 0; }

/* line charts */
.band-1 { fill: var(--c1); fill-opacity: .16; } .line-1 { stroke: var(--c1); stroke-width: 2; }
.band-3 { fill: var(--c3); fill-opacity: .16; } .line-3 { stroke: var(--c3); stroke-width: 2; }
.line-truth { stroke: var(--chart-ink); stroke-width: 1.5; stroke-dasharray: 5 4; }
.crosshair { stroke: var(--chart-axis); stroke-width: 1; pointer-events: none; }
.hover-area { cursor: crosshair; }
circle.latest { stroke: var(--chart-ink); stroke-width: 2; }
.swatch.band { background: color-mix(in srgb, var(--c1) 22%, transparent); }
[hidden] { display: none !important; }
.next-table { justify-self: start; }
.step code { overflow-wrap: anywhere; }

/* ---------- Clarity: adjustable areas, reading aids, expandable help ---------- */
.adjust-label { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--on-color); background: var(--primary); border-radius: 999px; padding: 2px 10px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 4px; }
.panel-head h2 { margin: 0; }
.panel.params { border-top: 4px solid var(--primary); }
.param-group { border: 1px solid var(--line); border-radius: 10px; padding: 4px 12px 10px; margin: 14px 0 0; background: color-mix(in srgb, var(--primary) 3%, var(--surface)); }
.param-group legend { font-weight: 700; color: var(--heading); padding: 0 6px; font-size: 13px; }
.param-group .field { margin: 10px 0; }

.controls.adjust { border-left: 4px solid var(--primary); background: color-mix(in srgb, var(--primary) 4%, var(--surface)); }
.controls.adjust .adjust-label { align-self: center; }

.view-intro { margin: 0 0 14px; color: var(--text-2); font-size: 14px; }
.view-intro b { color: var(--heading); }
.how { margin: -2px 0 10px; color: var(--text-2); font-size: 13px; }
.kpi.main { background: color-mix(in srgb, var(--primary) 7%, var(--surface)); }
.howto { margin: 0; padding-left: 20px; }
.howto li { margin-bottom: 4px; }

details.help { margin-top: 10px; font-size: 13px; color: var(--text-2); }
details.help > summary { cursor: pointer; color: var(--primary); font-weight: 600; list-style: none; display: inline-flex; align-items: center; gap: 6px; }
details.help > summary::-webkit-details-marker { display: none; }
details.help > summary::before { content: 'ⓘ'; font-weight: 400; }
details.help[open] > summary { margin-bottom: 6px; }
details.help p { margin: 0; }
details.help + details.help { margin-top: 8px; }
.card > details.help:first-child { margin-top: 0; }

details.fold { padding: 0; }
details.fold > summary { cursor: pointer; padding: 14px 16px; font-weight: 600; color: var(--heading); list-style: none; display: flex; align-items: center; gap: 8px; }
details.fold > summary::-webkit-details-marker { display: none; }
details.fold > summary::before { content: '▸'; color: var(--primary); display: inline-block; transition: transform .15s; }
details.fold[open] > summary::before { transform: rotate(90deg); }
details.fold > summary .muted { font-weight: normal; font-size: 12px; }
details.fold[open] > :not(summary) { margin: 0 16px 16px; }
details.adjust-fold { border-left: 4px solid var(--primary); }
.param-group { min-width: 0; } .param-group select { width: 100%; }
.doe-controls h3 { margin: 0; }
.doe-controls .num { flex: none; display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--primary); color: var(--on-color); font-size: 13px; font-weight: 700; }
.doe-controls .how { margin: 0; }

/* Smart DoE: optimisation workflow */
.doe-controls { display: block; }
.doe-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 14px; }
.doe-head h2 { margin: 0; }
.doe-tools { display: flex; gap: 6px; }
button.tool { background: none; border: 1px solid var(--border); color: var(--heading); font-size: 13px; padding: 5px 12px; }
button.tool:hover:not(:disabled) { filter: none; border-color: var(--primary); color: var(--primary); }
button.tool:active:not(:disabled) { background: var(--pressed); border-color: var(--pressed); color: var(--on-color); }
.doe-flow { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.5fr); gap: 12px; align-items: stretch; }
@media (max-width: 1150px) { .doe-flow { grid-template-columns: 1fr 1fr; } .doe-step.wide { grid-column: 1 / -1; } }
@media (max-width: 640px) { .doe-flow { grid-template-columns: 1fr; } }
.doe-step { display: flex; flex-direction: column; gap: 14px; padding: 16px; border: 1px solid var(--border); border-radius: 10px; background: var(--page); transition: border-color .15s, background .15s; }
.doe-step.active { border: 2px solid var(--primary); background: var(--surface); padding: 15px; }
.doe-step-head { display: flex; gap: 12px; align-items: flex-start; }
.doe-step-head b { display: block; color: var(--heading); font-size: 15px; }
.doe-step-head small { display: block; color: var(--text-2); font-size: 12.5px; margin-top: 2px; }
.doe-step .num { flex: none; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; border: 2px solid var(--primary); background: var(--surface); color: var(--primary); font-size: 13px; font-weight: 700; }
.doe-step.active .num { background: var(--primary); color: var(--on-color); }
.doe-step.done .num { background: var(--primary); color: transparent; position: relative; }
.doe-step.done .num::after { content: '✓'; position: absolute; inset: 0; display: grid; place-items: center; color: var(--on-color); font-size: 14px; }
.doe-step > button { margin-top: auto; width: 100%; }
.doe-step .next-table { width: 100%; justify-self: stretch; }
.doe-step .next-table th { font-size: 13px; font-weight: 600; }
.doe-step .next-table td { min-width: 90px; }
.doe-step .doe-entry { display: flex; gap: 8px; }
.doe-step #y-input { flex: 1; min-width: 0; width: auto; box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06); }
.doe-step #btn-simulate { flex: none; }
#doe-msg { margin: 10px 0 0; min-height: 1em; }
#doe-msg:empty { display: none; }

/* ---------- Ramp-Down Planner ---------- */
.line-2 { stroke: var(--c2); stroke-width: 2; } .line-4 { stroke: var(--s4); stroke-width: 2; } .line-5 { stroke: var(--s5); stroke-width: 2; }
.line-current { stroke: var(--chart-ink); stroke-width: 2.5; }
table.matrix { font-size: 11.5px; }
table.matrix th, table.matrix td { padding: 4px 5px; text-align: center; }
table.matrix th:first-child, table.matrix td.stage-name { text-align: left; position: sticky; left: 0; background: var(--surface); z-index: 1; }
table.matrix th:first-child { background: var(--primary); }
table.matrix td.cell { cursor: pointer; border: 1px solid var(--surface); line-height: 1.25; font-variant-numeric: tabular-nums; }
table.matrix td.cell small { display: block; font-size: 10.5px; color: var(--text-2); }
table.matrix td.cell:hover { outline: 2px solid var(--primary); outline-offset: -2px; }
.u-ok { background: color-mix(in srgb, var(--primary) 16%, var(--surface)); }
.u-low { background: color-mix(in srgb, var(--s4) 26%, var(--surface)); }
.u-bad { background: color-mix(in srgb, var(--critical) 22%, var(--surface)); }
.u-ext { background: #ececea; color: var(--text-2); }
.u-idle { background: var(--surface); }
.swatch.u-ok, .swatch.u-low, .swatch.u-bad, .swatch.u-ext { border: 1px solid var(--border); }
.inline-adjust { padding: 10px 12px; border-radius: 8px; margin-bottom: 12px; border-left: 4px solid var(--primary); }
.kpi.warn-kpi .k-value { color: var(--critical); }
input[type=text] { font: inherit; padding: 6px 8px; border: 1px solid var(--primary); border-radius: 6px; background: var(--on-color); box-shadow: var(--input-shadow); }

/* ---------- Process analysis ---------- */
.line-base { stroke: var(--cm); stroke-width: 2; stroke-dasharray: 5 4; }
.edge { fill: none; }
.edge-dom { stroke: var(--primary); }
.edge-kept { stroke: var(--cm); }
.edge-faint { stroke: var(--chart-axis); stroke-dasharray: 2 3; }
.arrow-dom { fill: var(--primary); } .arrow-kept { fill: var(--cm); } .arrow-faint { fill: var(--chart-axis); }
.edge-label { font-size: 10.5px; fill: var(--chart-label); font-variant-numeric: tabular-nums; paint-order: stroke; stroke: var(--surface); stroke-width: 3px; stroke-linejoin: round; }
.edge-label.faint { fill: var(--chart-ink-2); }
.node { fill: var(--surface); stroke: var(--cm); stroke-width: 1.5; }
.node-dom { stroke: var(--primary); stroke-width: 2.5; fill: color-mix(in srgb, var(--primary) 8%, var(--surface)); }
.node-art { stroke-dasharray: 4 3; fill: #f3f3f1; }
.node-id { font-size: 13px; font-weight: 700; fill: var(--heading); }
.node-name { font-size: 10px; fill: var(--chart-label); }
.node-term { fill: var(--heading); }
.hit:hover .node { stroke-width: 3; }
.c2-stroke { stroke: var(--c2); }