/* RiskGraph · minimal topology interface
   Light neutral canvas, restrained state colors, every state also carried by
   a glyph and text. Focus (blue) is kept distinct from outcome colors. */

:root {
  --bg: #f3f6fb;
  --surface: #ffffff;
  --surface-2: #f7f9fd;
  --ink: #13263d;
  --ink-2: #354c6c;
  --muted: #5d6f88;
  --faint: #a1aec4;
  --line: #d7dfeb;
  --line-2: #c5d0e3;
  --struct: #c5d0e3;

  --ok: #335cff;
  --ok-soft: #edf2ff;
  --warn: #b77920;
  --warn-soft: #fff3df;
  --bad: #c94f52;
  --bad-soft: #fff0ee;
  --neutral: #637591;

  --focus: #335cff;
  --select: #13263d;
  --calc: #4869bd;
  --model: #354c6c;
  --ref: #b77920;

  --radius: 10px;
  --shadow: 0 1px 2px rgba(20, 30, 25, .06), 0 8px 24px rgba(20, 30, 25, .08);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { height: auto; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.45 var(--font);
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
}
button, select, input { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
h2, h3 { margin: 0; font-weight: 600; }

/* ---------------- top bar ---------------- */
.topbar {
  display: flex; align-items: center; gap: 18px;
  padding: 8px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  min-height: 52px;
  flex-wrap: wrap;
  flex: none;
}
.brand { font-weight: 650; letter-spacing: -.01em; font-size: 15px; }
.viewtabs { display: flex; gap: 2px; background: var(--bg); padding: 3px; border-radius: 8px; }
.viewtabs [role=tab] {
  border: 0; background: transparent; padding: 5px 11px; border-radius: 6px; color: var(--ink-2); font-size: 13px;
}
.viewtabs [aria-selected=true] { background: var(--surface); color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,.08); font-weight: 550; }
.controls { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 0; flex-wrap: wrap; }
.field { display: flex; align-items: center; gap: 6px; min-width: 0; }
.field-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
select, input[type=number] {
  border: 1px solid var(--line-2); background: var(--surface); border-radius: 7px; padding: 5px 8px; font-size: 13px; min-height: 32px;
}
.case-field select { max-width: 280px; }
.playback { display: flex; align-items: center; gap: 4px; }
.icon-btn {
  display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 7px;
  border: 1px solid var(--line-2); background: var(--surface);
}
.icon-btn svg { width: 16px; height: 16px; fill: none; stroke: var(--ink); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.icon-btn:hover { background: var(--surface-2); border-color: var(--faint); }
#play .i-play { fill: var(--ink); stroke: none; }
#play .i-pause { display: none; stroke-width: 2; }
#play.is-playing .i-play { display: none; }
#play.is-playing .i-pause { display: inline; }
.speed select { min-height: 32px; padding: 4px 6px; }
.topbar-end { display: flex; gap: 6px; align-items: center; margin-left: auto; }
.text-btn { border: 0; background: none; padding: 6px 8px; border-radius: 6px; color: var(--ink-2); font-size: 13px; }
.text-btn:hover { background: var(--bg); color: var(--ink); }

.banner { background: var(--warn-soft); color: #5e3d07; padding: 8px 16px; border-bottom: 1px solid #ecd9b5; font-size: 13px; }
.loading { padding: 12px 16px; color: var(--muted); }

main { flex: 1; position: relative; display: flex; min-height: 0; }
.view { flex: 1; min-width: 0; display: flex; }
.view[hidden] { display: none; }

/* ---------------- workflow view ---------------- */
.view-workflow { flex-direction: column; }
.canvas-wrap { position: relative; flex: 1; min-height: 420px; display: flex; flex-direction: column; padding: 14px 16px 6px; }
.canvas-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 18px; position: relative; z-index: 1; }
.case-line { display: flex; gap: 10px; align-items: baseline; }
.kicker { font-size: 11px; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.case-amount { font-size: 15px; font-weight: 600; }
.outcome { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 7px; font-size: 13px; font-weight: 550; padding: 3px 10px 3px 6px; border-radius: 999px; border: 1px solid transparent; transition: opacity .2s; }
.outcome-glyph { width: 16px; height: 16px; border-radius: 50%; fill: none; stroke: #fff; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; padding: 2px; }
.outcome.tone-ok { color: var(--ok); background: var(--ok-soft); }
.outcome.tone-ok .outcome-glyph { background: var(--ok); }
.outcome.tone-warn { color: var(--warn); background: var(--warn-soft); }
.outcome.tone-warn .outcome-glyph { background: var(--warn); }
.outcome.tone-bad { color: var(--bad); background: var(--bad-soft); }
.outcome.tone-bad .outcome-glyph { background: var(--bad); }
.outcome.tone-neutral { color: var(--neutral); background: var(--line); }
.outcome.tone-neutral .outcome-glyph { background: var(--neutral); }
.outcome-exposure { font-weight: 450; color: inherit; opacity: .85; }
.outcome-exposure::before { content: "·"; margin-right: 6px; }
.outcome.pending { opacity: .35; }

.canvas-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: 8px 16px; }
.canvas-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; z-index: 1; text-align: right; margin-left: auto; }
.source-pill { font-size: 11px; color: var(--ink-2); border: 1px solid var(--line-2); border-radius: 999px; padding: 2px 9px; background: var(--surface); }
.timing-note { font-size: 11px; color: var(--muted); }

.topology-host { flex: 1; min-height: 300px; position: relative; }
.topology-host svg { position: absolute; inset: 0; width: 100%; height: 100%; }

.legend { display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: center; font-size: 11.5px; color: var(--ink-2); padding: 4px 0 2px; }
.lg { display: inline-flex; align-items: center; gap: 5px; }
.lg svg { width: 14px; height: 14px; overflow: visible; }
.lg svg[viewBox^="0 0 26"] { width: 22px; height: 10px; }
.lg-agent { fill: var(--surface); stroke: var(--ink-2); stroke-width: 1.6; }
.lg-det { fill: var(--surface); stroke: var(--ink-2); stroke-width: 1.6; }
.lg-input { fill: var(--surface); stroke: var(--ink-2); stroke-width: 1.6; }
.lg-exec { stroke: var(--ok); stroke-width: 2.2; }
.lg-struct { stroke: var(--struct); stroke-width: 1.4; }
.lg-ref { stroke: var(--ref); stroke-width: 1.4; stroke-dasharray: 1 3.5; stroke-linecap: round; }
.lg-hint { color: var(--muted); margin-left: auto; }

/* strip under the canvas */
.strip { display: flex; gap: 10px; align-items: stretch; padding: 8px 16px 14px; }
.setups { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; flex: 1; min-width: 0; }
.setup-btn {
  display: grid; grid-template-columns: 1fr; gap: 2px; text-align: left; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 7px 10px 8px; min-width: 0;
}
.setup-btn:hover { border-color: var(--line-2); }
.setup-btn.current { border-color: var(--select); box-shadow: inset 0 0 0 1px var(--select); }
.setup-name { font-size: 12px; font-weight: 600; color: var(--ink-2); }
.setup-btn svg.thumb { width: 100%; height: 44px; }
.setup-result { display: flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 550; min-width: 0; }
.setup-result > span:nth-child(2) { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.setup-money { margin-left: auto; font-weight: 600; }
.mini-glyph { width: 13px; height: 13px; flex: none; border-radius: 50%; padding: 1.5px; fill: none; stroke: #fff; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.tone-ok .setup-result { color: var(--ok); } .tone-ok .mini-glyph { background: var(--ok); }
.tone-warn .setup-result { color: var(--warn); } .tone-warn .mini-glyph { background: var(--warn); }
.tone-bad .setup-result { color: var(--bad); } .tone-bad .mini-glyph { background: var(--bad); }
.tone-neutral .setup-result { color: var(--neutral); } .tone-neutral .mini-glyph { background: var(--neutral); }

.evidence-chip {
  display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 0;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 6px 14px; min-width: 104px;
}
.chip-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.chip-count { font-size: 15px; font-weight: 600; font-variant-numeric: tabular-nums; }
.evidence-chip.has-current .chip-label::after { content: " · this request admitted"; text-transform: none; letter-spacing: 0; }

/* ---------------- thumbnails ---------------- */
svg.thumb .tedge { fill: none; stroke-width: 9; stroke-linecap: round; }
svg.thumb .tedge.struct { stroke: #e3e6e2; stroke-width: 7; }
svg.thumb .tedge.exec.tone-ok { stroke: var(--ok); }
svg.thumb .tedge.exec.tone-warn { stroke: var(--warn); }
svg.thumb .tedge.exec.tone-bad { stroke: var(--bad); }
svg.thumb .tnode { fill: var(--surface); stroke: var(--ink-2); stroke-width: 7; }
svg.thumb .tnode.st-off { stroke: #e3e6e2; stroke-dasharray: 10 8; }
svg.thumb .tnode.st-skipped { stroke: #d5d9d4; }
svg.thumb .tnode.st-completed { stroke: var(--ok); }
svg.thumb .tnode.st-blocked, svg.thumb .tnode.st-escalated, svg.thumb .tnode.st-declined { stroke: var(--warn); fill: var(--warn-soft); }
svg.thumb .tnode.st-unsafe, svg.thumb .tnode.st-error { stroke: var(--bad); fill: var(--bad-soft); }

/* ---------------- topology SVG ---------------- */
.topology { overflow: visible; }
.topology .edge { fill: none; stroke-linecap: round; stroke-linejoin: round; }
.topology .struct { stroke: var(--struct); stroke-width: 1.3; opacity: 0; transition: opacity .2s; }
.topology .struct.in-config { opacity: 1; }
.topology .exec { stroke-width: 2.4; opacity: 0; transition: opacity .15s; }
.topology .exec.phase-done, .topology .exec.phase-active { opacity: 1; }
.topology .exec.tone-ok { stroke: var(--ok); }
.topology .exec.tone-warn { stroke: var(--warn); }
.topology .exec.tone-warn.phase-done { stroke-dasharray: 7 4; }
.topology .exec.tone-bad { stroke: var(--bad); }
.topology .dataref { stroke: var(--ref); stroke-width: 1.3; stroke-dasharray: 1 4.5; opacity: 0; }
.topology .dataref.in-config { opacity: .75; }
.topology .port { stroke: var(--struct); stroke-width: 1.3; }
.topology .port.active { stroke: var(--ok); stroke-width: 2; }
.topology .arrow { fill: none; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.topology .arrow-struct { stroke: var(--struct); }
.topology .arrow-ok, .model .arrow-ok { stroke: var(--ok); stroke-width: 1.8; }
.topology .arrow-warn { stroke: var(--warn); stroke-width: 1.8; }
.topology .arrow-bad { stroke: var(--bad); stroke-width: 1.8; }
.topology .edge-label { font-size: 11px; fill: var(--muted); opacity: 0; font-style: italic; }
.topology .edge-label.in-config { opacity: 1; }
.topology .dataref-label { fill: var(--ref); }

.topology .packet { fill: var(--ok); opacity: 0; }
.topology .packet.visible { opacity: 1; }
.topology .packet.tone-warn { fill: var(--warn); }
.topology .packet.tone-bad { fill: var(--bad); }

.topology .hub-dot { fill: var(--line-2); }
.topology .hub.active .hub-dot { fill: var(--ok); }
.topology .hub .node-sub { font-size: 10.5px; fill: var(--muted); }

.topology .node { cursor: pointer; outline: none; }
.topology .node .hit { fill: transparent; }
.topology .node .shape { fill: var(--surface); stroke: var(--ink-2); stroke-width: 1.6; transition: stroke .15s, fill .15s; }
.topology .node .kind-mark { fill: var(--ink-2); }
.topology .node .kind-text { font: 600 14px var(--font); fill: var(--ink-2); pointer-events: none; }
.topology .node .kind-line { stroke: var(--ink-2); stroke-width: 1.4; fill: none; stroke-linecap: round; }
.topology .node .node-label { font-size: 13px; font-weight: 600; fill: var(--ink); }
.topology .node .node-status { font-size: 11.5px; fill: var(--ink-2); }
.topology .node .node-tag { font-size: 9.5px; letter-spacing: .08em; font-weight: 650; }
.topology .tag-untrusted { fill: var(--bad); }
.topology .tag-trusted { fill: var(--ok); }
.topology .node.kind-input-untrusted .shape { stroke-dasharray: 3 2.5; }
.topology .focus-ring, .topology .sel-ring, .topology .run-ring { fill: none; opacity: 0; }
.topology .node:focus-visible .focus-ring { opacity: 1; stroke: var(--focus); stroke-width: 2.2; }
.topology .node.selected .sel-ring { opacity: 1; stroke: var(--select); stroke-width: 1.4; stroke-dasharray: 3 3; }
.topology .badge { opacity: 0; }
.topology .badge-bg { stroke: var(--surface); stroke-width: 2; }
.topology .badge-glyph { fill: none; stroke: #fff; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }

/* node states */
.topology .node.st-pending .shape { stroke: var(--faint); }
.topology .node.st-pending .kind-text, .topology .node.st-pending .kind-mark { fill: var(--faint); }
.topology .node.st-pending .node-status { fill: var(--muted); }
.topology .node.st-running .shape { stroke: var(--ink); stroke-width: 2; }
.topology .node.st-running .run-ring { opacity: 1; stroke: var(--ok); stroke-width: 1.5; animation: pulse 1s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: .25; } 50% { opacity: 1; } }

.topology .node.st-completed .shape { stroke: var(--ok); stroke-width: 2; }
.topology .node.st-completed .badge { opacity: 1; } .topology .node.st-completed .badge-bg { fill: var(--ok); }
.topology .node.st-completed .node-status { fill: var(--ok); }

.topology .node.st-blocked .shape, .topology .node.st-escalated .shape, .topology .node.st-declined .shape { stroke: var(--warn); fill: var(--warn-soft); stroke-width: 2; }
.topology .node.st-blocked .badge, .topology .node.st-escalated .badge, .topology .node.st-declined .badge { opacity: 1; }
.topology .node.st-blocked .badge-bg, .topology .node.st-escalated .badge-bg, .topology .node.st-declined .badge-bg { fill: var(--warn); }
.topology .node.st-blocked .node-status, .topology .node.st-escalated .node-status, .topology .node.st-declined .node-status { fill: var(--warn); font-weight: 600; }

.topology .node.st-unsafe .shape, .topology .node.st-error .shape { stroke: var(--bad); fill: var(--bad-soft); stroke-width: 2.2; }
.topology .node.st-unsafe .badge, .topology .node.st-error .badge { opacity: 1; }
.topology .node.st-unsafe .badge-bg, .topology .node.st-error .badge-bg { fill: var(--bad); }
.topology .node.st-unsafe .node-status, .topology .node.st-error .node-status { fill: var(--bad); font-weight: 600; }
.topology .node.st-unsafe .kind-text, .topology .node.st-error .kind-text { fill: var(--bad); }

.topology .node.st-skipped .shape { stroke: var(--line-2); }
.topology .node.st-skipped .kind-text, .topology .node.st-skipped .kind-mark { fill: var(--faint); }
.topology .node.st-skipped .node-label { fill: var(--muted); }
.topology .node.st-skipped .node-status { fill: var(--faint); font-style: italic; }
.topology .node.st-off .shape { stroke: var(--line-2); stroke-dasharray: 3 3; fill: transparent; }
.topology .node.st-off .kind-text, .topology .node.st-off .kind-mark { fill: var(--line-2); }
.topology .node.st-off .node-label { fill: var(--faint); font-weight: 500; }
.topology .node.st-off .node-status { fill: var(--faint); font-style: italic; }

/* ---------------- model view ---------------- */
.view-model { gap: 0; }
.model-wrap { flex: 1; min-width: 0; position: relative; display: flex; flex-direction: column; padding: 14px 16px 10px; }
.model-meta { margin-left: 0; flex-direction: row; justify-content: space-between; align-items: center; }
.model-host { flex: 1; min-height: 420px; position: relative; }
.model-host svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.no-analysis .model-host { opacity: .3; }
.lg-param { fill: var(--surface); stroke: var(--ink-2); stroke-width: 1.6; }
.lg-rv { fill: var(--surface); stroke: var(--ink-2); stroke-width: 1.6; }
.lg-obs { fill: #d9ddd8; stroke: var(--ink-2); stroke-width: 1.6; }
.lg-calc-node { fill: #eef1f8; stroke: var(--calc); stroke-width: 1.4; stroke-dasharray: 3 2; }
.lg-assume { fill: var(--warn-soft); stroke: var(--warn); stroke-width: 1.4; }
.lg-model { stroke: var(--model); stroke-width: 1.5; }
.lg-calc { stroke: var(--calc); stroke-width: 1.5; stroke-dasharray: 5 3; }

.model .m-header { font-size: 12.5px; font-weight: 650; fill: var(--ink); }
.model .m-header-sub { font-size: 11px; fill: var(--muted); font-family: var(--mono); }
.model .plate { fill: rgba(28,35,32,.025); stroke: var(--line-2); stroke-width: 1; }
.model .plate-label { font-size: 11px; fill: var(--muted); font-style: italic; }
.model .m-edge { fill: none; stroke-linecap: round; stroke-linejoin: round; }
.model .m-edge.model { stroke: var(--model); stroke-width: 1.3; }
.model .m-edge.calc { stroke: var(--calc); stroke-width: 1.3; stroke-dasharray: 5 3.5; }
.model .arrow { fill: none; stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round; }
.model .arrow-model { stroke: var(--model); }
.model .arrow-calc { stroke: var(--calc); }
.model .m-edge-label { font-size: 10.5px; fill: var(--calc); font-family: var(--mono); }
.model .calc-label { font-family: var(--font); font-style: italic; }
.model .m-node .shape { fill: var(--surface); stroke: var(--ink-2); stroke-width: 1.5; }
.model .m-node .kind-text { font: italic 600 14px Georgia, "Times New Roman", serif; fill: var(--ink); pointer-events: none; }
.model .m-prior .kind-text { font: 600 12px var(--mono); font-style: normal; }
.model .m-value { font-size: 12px; fill: var(--ink); font-family: var(--mono); }
.model .m-sub { font-size: 10.5px; fill: var(--muted); }
.model .m-big { font-size: 20px; font-weight: 650; fill: var(--ink); }
.model .m-link { font-size: 11.5px; fill: var(--focus); text-decoration: underline; }
.model .m-y .shape { fill: #dfe3de; }
.model .m-y.empty .shape { fill: var(--surface); stroke-dasharray: 3 3; }
.model .kn { font: 600 12px var(--mono); fill: var(--ink); }
.model .m-post .shape { fill: #eef1f8; stroke: var(--calc); stroke-dasharray: 3 2; }
.model .mini-axis { stroke: var(--line-2); stroke-width: 1; }
.model .mini-ci { stroke: var(--calc); stroke-width: 3; stroke-linecap: round; }
.model .mini-mean { fill: var(--ink); }
.model .m-w .shape { fill: var(--warn-soft); stroke: var(--warn); }
.model .m-sum .shape.outer { fill: none; stroke: var(--calc); stroke-dasharray: 3 2; }
.model .m-sum .shape.inner { fill: #eef1f8; stroke: var(--calc); }
.model .m-sum .sigma { font-style: normal; font-family: var(--font); font-size: 18px; }
.model .m-sum { cursor: pointer; outline: none; }
.model .m-sum:focus-visible .outer { stroke: var(--focus); stroke-width: 2.4; stroke-dasharray: none; }
.model .m-row { cursor: pointer; outline: none; }
.model .row-band { fill: transparent; }
.model .m-row:hover .row-band { fill: rgba(28,35,32,.03); }
.model .m-row.selected .row-band { fill: rgba(28,35,32,.045); }
.model .m-row:focus-visible .row-band { stroke: var(--focus); stroke-width: 2; }
.model .m-name { font-size: 12.5px; font-weight: 600; fill: var(--ink-2); }
.model .m-row.selected .m-name { fill: var(--ink); }
.model .sel-ring { fill: none; stroke: var(--select); stroke-width: 1.4; stroke-dasharray: 3 3; opacity: 0; }
.model .m-row.selected .sel-ring { opacity: 1; }
.model .m-row.prior-only .m-post .m-sub { font-style: italic; }

/* projection side panel */
.projection {
  width: 320px; flex: none; background: var(--surface); border-left: 1px solid var(--line);
  padding: 16px 18px 20px; overflow-y: auto; display: flex; flex-direction: column; gap: 14px;
}
.proj-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.proj-head h2 { font-size: 14px; }
.proj-config { font-size: 12px; color: var(--ink-2); font-weight: 600; }
.snapshot-note { margin: -8px 0 0; font-size: 11.5px; color: var(--warn); }
.snapshot-note:empty { display: none; }
.metric-label { font-size: 11.5px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.metric-value { font-size: 26px; font-weight: 650; letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
.metric-value.small { font-size: 17px; }
.metric-sub { font-size: 11.5px; color: var(--ink-2); }
.metric-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.tag { font-size: 10px; letter-spacing: .04em; text-transform: uppercase; border: 1px solid var(--line-2); border-radius: 4px; padding: 0 4px; color: var(--ink-2); font-weight: 600; }
.tag-freq { color: var(--calc); border-color: #c8d0e6; }
.tag-bad { color: var(--bad); border-color: #e9c3be; }
.tag-ok { color: var(--ok); border-color: #bfdccc; }
.fine { font-size: 11.5px; color: var(--muted); margin: 0; }
.fine-inline { font-size: 11px; color: var(--muted); }
.ci-bar { width: 100%; height: 18px; margin-top: 4px; }
.ci-bar .axis, .intervals .grid { stroke: var(--line); stroke-width: 1; }
.ci-bar .tick { stroke: var(--line-2); }
.ci-bar .ci, .intervals .ci { stroke: var(--calc); stroke-width: 4; stroke-linecap: round; opacity: .75; }
.ci-bar .mean, .intervals .mean { fill: var(--ink); }
.ci-bar .upper, .intervals .upper { stroke: var(--ink); stroke-width: 1.6; }
.intervals { width: 100%; height: auto; margin-top: 4px; }
.intervals .axis-text { font-size: 9.5px; fill: var(--muted); }
.intervals .irow-label { font-size: 11px; fill: var(--ink-2); }
.intervals .irow.selected .irow-label { font-weight: 700; fill: var(--ink); }
.compare .fine { margin-top: 4px; }
.batch { border-top: 1px solid var(--line); padding-top: 10px; }
.batch-line { font-size: 12.5px; font-weight: 600; font-variant-numeric: tabular-nums; }
.proj-actions { display: flex; flex-wrap: wrap; gap: 4px; margin-top: auto; border-top: 1px solid var(--line); padding-top: 8px; }
.proj-actions .text-btn { color: var(--focus); padding-left: 0; padding-right: 12px; }

/* ---------------- inspector ---------------- */
.inspector {
  position: absolute; top: 12px; right: 12px; bottom: 12px; width: 340px; z-index: 5;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; overflow: hidden;
}
.inspector[hidden] { display: none; }
body[data-view=model] .inspector { right: 340px; }
@media (min-width: 721px) {
  body.inspector-open[data-view=workflow] .canvas-wrap { padding-right: 368px; }
  body.inspector-open[data-view=model] .model-wrap { padding-right: 364px; }
}
.insp-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; padding: 14px 14px 10px 16px; border-bottom: 1px solid var(--line); }
.insp-head h2 { font-size: 16px; outline: none; }
.insp-body { padding: 12px 16px 18px; overflow-y: auto; display: flex; flex-direction: column; gap: 14px; }
.insp-note { color: var(--ink-2); margin: 0; }
.insp-state { display: flex; flex-direction: column; gap: 1px; padding: 8px 10px; border-radius: 8px; }
.insp-state .state-text { font-weight: 600; font-size: 13px; }
.insp-state.tone-ok { background: var(--ok-soft); color: var(--ok); }
.insp-state.tone-warn { background: var(--warn-soft); color: var(--warn); }
.insp-state.tone-bad { background: var(--bad-soft); color: var(--bad); }
.insp-sec h3 { font-size: 12px; color: var(--ink-2); text-transform: uppercase; letter-spacing: .06em; display: flex; gap: 8px; align-items: center; margin-bottom: 6px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 3px 12px; margin: 0; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-variant-numeric: tabular-nums; word-break: break-word; }
.kv dd.bad { color: var(--bad); font-weight: 600; }
.kv dd.mismatch { color: var(--bad); font-weight: 600; }
.kv dd.mismatch::after { content: "  ≠ owner"; font-weight: 500; }
.quote { margin: 0; padding: 8px 10px; border-left: 2px dashed var(--bad); background: var(--surface-2); font-size: 13px; color: var(--ink); }
.reason { margin: 6px 0 0; font-size: 13px; color: var(--ink-2); }
.reason.bad { color: var(--bad); }
.rule-list { margin: 6px 0; padding-left: 18px; font-size: 13px; }
.raw summary { font-size: 12px; color: var(--ink-2); cursor: pointer; }
.raw pre { font: 11.5px/1.45 var(--mono); background: var(--surface-2); border: 1px solid var(--line); border-radius: 6px; padding: 8px; overflow-x: auto; margin: 6px 0 0; }
.kn-big { display: flex; flex-direction: column; }
.kn-num { font-size: 28px; font-weight: 650; font-variant-numeric: tabular-nums; }
svg.density { width: 100%; height: auto; }
.density .grid { stroke: var(--line); }
.density .axis { stroke: var(--line-2); }
.density .axis-text { font-size: 9px; fill: var(--muted); }
.density .ci-band { fill: #e8ecf6; }
.density .prior-line { fill: none; stroke: var(--faint); stroke-width: 1.4; stroke-dasharray: 4 3; }
.density .posterior-line { fill: none; stroke: var(--calc); stroke-width: 2; }
.density-legend { display: flex; gap: 12px; font-size: 11px; color: var(--ink-2); margin-top: -8px; }
.density-legend span::before { content: ""; display: inline-block; width: 16px; height: 0; vertical-align: middle; margin-right: 5px; }
.density-legend .lg-prior::before { border-top: 1.5px dashed var(--faint); }
.density-legend .lg-post::before { border-top: 2px solid var(--calc); }
.density-legend .lg-band::before { height: 8px; background: #e8ecf6; border: 0; }

/* ---------------- dialogs / sheets ---------------- */
dialog.sheet { border: 1px solid var(--line); border-radius: 14px; padding: 0; box-shadow: var(--shadow); width: min(460px, calc(100vw - 32px)); color: var(--ink); background: var(--surface); }
dialog.sheet-wide { width: min(860px, calc(100vw - 32px)); }
dialog::backdrop { background: rgba(20, 28, 24, .28); }
.sheet-inner { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 12px; max-height: calc(100vh - 64px); overflow-y: auto; }
.sheet-head { display: flex; justify-content: space-between; align-items: center; }
.sheet-head h2 { font-size: 16px; }
.sheet-lead { margin: 0; font-weight: 550; }
.sheet-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.btn { border: 1px solid var(--ink); background: var(--ink); color: #fff; border-radius: 8px; padding: 7px 14px; font-weight: 550; font-size: 13px; }
.btn.ghost { background: var(--surface); color: var(--ink); border-color: var(--line-2); }
.btn:disabled { opacity: .4; cursor: default; }
.stack { display: flex; flex-direction: column; gap: 4px; }
fieldset.prior { border: 0; padding: 0; margin: 0; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
fieldset.prior legend { margin-bottom: 4px; }
fieldset.prior input { width: 90px; }
.provenance { word-break: break-word; }
.error-text { color: var(--bad); font-size: 12.5px; margin: 0; }
.error-text:empty { display: none; }
.weight-rows { display: flex; flex-direction: column; gap: 6px; }
.w-row { display: grid; grid-template-columns: 1fr 110px 110px; gap: 10px; align-items: center; font-size: 13px; }
.w-head { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.w-input { display: flex; align-items: center; gap: 4px; }
.w-input input { width: 84px; }
.w-contrib { font-variant-numeric: tabular-nums; color: var(--ink-2); text-align: right; }
.shortcuts { display: flex; flex-wrap: wrap; gap: 4px; }
.shortcuts .text-btn { color: var(--focus); padding-left: 0; padding-right: 14px; }
.library-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 6px; }
.lib-item {
  width: 100%; display: grid; grid-template-columns: 26px 1fr auto; grid-template-areas: "idx name amt" "thumb thumb thumb" "out out adm";
  gap: 2px 8px; text-align: left; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 6px 9px; font-size: 12.5px;
}
.lib-item:hover { border-color: var(--line-2); }
.lib-item.current { border-color: var(--select); }
.lib-idx { grid-area: idx; color: var(--muted); font-variant-numeric: tabular-nums; }
.lib-name { grid-area: name; font-weight: 600; }
.lib-amt { grid-area: amt; font-variant-numeric: tabular-nums; }
.lib-item svg.thumb { grid-area: thumb; width: 100%; height: 30px; }
.lib-out { grid-area: out; font-weight: 550; }
.lib-item.tone-ok .lib-out { color: var(--ok); }
.lib-item.tone-warn .lib-out { color: var(--warn); }
.lib-item.tone-bad .lib-out { color: var(--bad); }
.lib-adm { grid-area: adm; color: var(--muted); font-size: 11px; }
.lib-adm.yes { color: var(--ok); }
.table-scroll { overflow-x: auto; }
#compare-table { border-collapse: collapse; width: 100%; font-size: 12.5px; font-variant-numeric: tabular-nums; }
#compare-table th, #compare-table td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
#compare-table thead th { font-size: 11px; color: var(--muted); font-weight: 600; }
#compare-table tr.current th, #compare-table tr.current td { background: var(--surface-2); font-weight: 600; }
.methods-body p { margin: 0 0 10px; font-size: 13px; color: var(--ink-2); max-width: 70ch; }
.noscript { padding: 16px; }

/* ---------------- responsive ---------------- */
@media (max-width: 1100px) {
  .lg-hint { display: none; }
  .case-field select { max-width: 220px; }
}
@media (max-width: 900px) {
  .view-model { flex-direction: column; }
  .projection { width: auto; border-left: 0; border-top: 1px solid var(--line); }
  body[data-view=model] .inspector { right: 12px; }
}
@media (max-width: 720px) {
  body { font-size: 14px; }
  .topbar { gap: 8px 10px; padding: 8px 12px; }
  .brand { order: 0; }
  .topbar-end { order: 1; }
  .viewtabs { order: 2; width: 100%; }
  .viewtabs [role=tab] { flex: 1; }
  .controls { order: 3; width: 100%; gap: 8px; }
  .field { flex: 1 1 140px; }
  .field-label { display: none; }
  .field select { width: 100%; max-width: none; }
  main { flex: none; }
  .canvas-wrap { padding: 12px 12px 4px; min-height: 0; flex: none; }
  .canvas-meta { margin-left: 0; flex-direction: row; flex-wrap: wrap; justify-content: flex-start; align-items: center; gap: 6px; margin-top: 6px; text-align: left; }
  .topology-host { flex: none; min-height: 0; width: 100%; aspect-ratio: 420 / 900; }
  .outcome { border-radius: 10px; }
  .strip { flex-direction: column; padding: 6px 12px 14px; }
  .setups { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .evidence-chip { flex-direction: row; justify-content: space-between; align-items: center; width: 100%; }
  .model-wrap { padding: 12px; flex: none; }
  .model-host { flex: none; min-height: 0; width: 100%; aspect-ratio: 420 / 1000; }
  .legend { gap: 4px 10px; }
  /* Inspector becomes a bottom sheet */
  .inspector, body[data-view=model] .inspector {
    position: fixed; left: 0; right: 0; bottom: 0; top: auto; width: auto; max-height: 62vh;
    border-radius: 14px 14px 0 0; border-bottom: 0;
  }
  .w-row { grid-template-columns: 1fr 100px; }
  .w-row .w-contrib { grid-column: 2; font-size: 11.5px; }
  .w-head span:last-child { display: none; }
}

/* ---------------- explanatory animation ---------------- */
.step-caption { margin: 6px 0 0; min-height: 2.9em; max-width: 72ch; font-size: 13.5px; color: var(--ink-2); position: relative; z-index: 1; }
.step-caption .step-num { font-weight: 650; color: var(--ink); margin-right: 6px; font-variant-numeric: tabular-nums; }
.step-caption .step-hint { color: var(--muted); }
.step-caption.changed { animation: caption-in .35s ease-out; }
@keyframes caption-in { from { opacity: .2; transform: translateY(3px); } to { opacity: 1; transform: none; } }

.step-rail { list-style: none; margin: 2px 0 4px; padding: 0; display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.step-rail li { display: flex; align-items: center; }
.step-rail li + li::before { content: ""; width: 14px; height: 1.5px; background: var(--line-2); margin-right: 4px; }
.step-rail li.done + li::before, .step-rail li.current::before { background: var(--ok); }
.step-btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 2px 10px 2px 3px; font-size: 12px; color: var(--muted); }
.step-btn .n { display: inline-grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; background: var(--line); color: var(--ink-2); font-size: 10.5px; font-weight: 650; }
.step-rail .done .step-btn { color: var(--ink-2); }
.step-rail .done .n { background: var(--ok); color: #fff; }
.step-rail .done.warn .n { background: var(--warn); }
.step-rail .done.bad .n { background: var(--bad); }
.step-rail .current .step-btn { border-color: var(--ink); color: var(--ink); font-weight: 600; }
.step-rail .current .n { background: var(--ink); color: #fff; animation: soft-pulse 1.2s ease-in-out infinite; }

.lg-gate { fill: var(--surface); stroke: var(--faint); stroke-width: 1.2; }
.lg-gate-x { stroke: var(--muted); stroke-width: 1.6; stroke-linecap: round; }

.topology .packet-tag { opacity: 0; pointer-events: none; }
.topology .packet-tag.visible { opacity: 1; }
.topology .packet-tag-bg { fill: var(--surface); stroke: var(--ok); stroke-width: 1; }
.topology .packet-tag.tone-warn .packet-tag-bg { stroke: var(--warn); }
.topology .packet-tag.tone-bad .packet-tag-bg { stroke: var(--bad); }
.topology .packet-tag-text { font-size: 10.5px; font-weight: 600; fill: var(--ink); }
.topology .packet.visible { filter: drop-shadow(0 0 3px rgba(44, 122, 87, .5)); }

.topology .gate { opacity: 0; pointer-events: none; transition: opacity .3s; }
.topology .gate.shown { opacity: 1; pointer-events: auto; }
.topology .gate-bg { fill: var(--surface); stroke: var(--faint); stroke-width: 1.1; }
.topology .gate-x { stroke: var(--muted); stroke-width: 1.6; stroke-linecap: round; fill: none; }
.topology .gate.shown > circle, .topology .gate.shown > path { transform-box: fill-box; transform-origin: center; animation: gate-in .4s cubic-bezier(.3, 1.6, .5, 1); }
@keyframes gate-in { from { transform: scale(.2); } to { transform: scale(1); } }

.topology .node.pop .shape { transform-box: fill-box; transform-origin: center; animation: node-pop .55s ease-out; }
.topology .node.pop .badge > * { transform-box: fill-box; transform-origin: center; animation: badge-in .45s cubic-bezier(.3, 1.6, .5, 1); }
.topology .node.pop .run-ring { opacity: 1; transform-box: fill-box; transform-origin: center; animation: ripple .65s ease-out forwards; stroke-width: 2; }
.topology .node.pop.st-completed .run-ring { stroke: var(--ok); }
.topology .node.pop.st-blocked .run-ring, .topology .node.pop.st-escalated .run-ring, .topology .node.pop.st-declined .run-ring { stroke: var(--warn); }
.topology .node.pop.st-unsafe .run-ring, .topology .node.pop.st-error .run-ring { stroke: var(--bad); }
@keyframes node-pop { 0% { transform: scale(1); } 40% { transform: scale(1.16); } 100% { transform: scale(1); } }
@keyframes badge-in { from { transform: scale(0); } to { transform: scale(1); } }
@keyframes ripple { from { transform: scale(.75); opacity: .9; } to { transform: scale(1.6); opacity: 0; } }

.topology .float-delta { font-size: 12px; font-weight: 700; animation: rise 1.6s ease-out forwards; pointer-events: none; }
.topology .float-delta.tone-ok { fill: var(--ok); }
.topology .float-delta.tone-bad { fill: var(--bad); }
@keyframes rise { 0% { opacity: 0; transform: translateY(6px); } 15% { opacity: 1; } 70% { opacity: 1; } 100% { opacity: 0; transform: translateY(-22px); } }
@keyframes soft-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .55; } }

.walk-btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--ink); background: var(--ink); color: #fff; border-radius: 999px; padding: 3px 12px 3px 9px; font-size: 12px; font-weight: 600; }
.walk-btn svg { width: 11px; height: 11px; fill: #fff; }
.model-meta { gap: 6px 10px; justify-content: flex-start; flex-wrap: wrap; }
.source-pill, .walk-btn { white-space: nowrap; }
.model-meta .timing-note { margin-left: auto; }
.walk-card {
  flex: none; display: grid; grid-template-columns: 1fr auto; grid-template-areas: "top top" "title title" "text nav" "dots nav"; gap: 0 18px; align-items: end;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); padding: 10px 14px 12px; margin-top: 6px;
}
.walk-card .walk-top { grid-area: top; }
.walk-card .walk-title { grid-area: title; }
.walk-card .walk-text { grid-area: text; margin-bottom: 6px; max-width: 80ch; }
.walk-card .walk-dots { grid-area: dots; margin-bottom: 0; }
.walk-card .walk-nav { grid-area: nav; }
.model-wrap.walking .legend { display: none; }
.model-wrap.walking .model-host { min-height: 300px; }
.walk-card[hidden] { display: none; }
.walk-top { display: flex; justify-content: space-between; align-items: center; }
.walk-top .icon-btn { width: 28px; height: 28px; }
.walk-title { font-size: 15px; margin: 2px 0 4px; outline: none; }
.walk-text { margin: 0 0 10px; font-size: 13px; color: var(--ink-2); }
.walk-dots { display: flex; gap: 5px; margin-bottom: 10px; }
.walk-dots span { width: 18px; height: 3px; border-radius: 2px; background: var(--line-2); }
.walk-dots span.on { background: var(--ink); }
.walk-nav { display: flex; gap: 8px; }
.walk-card.changed .walk-text, .walk-card.changed .walk-title { animation: caption-in .35s ease-out; }

.model.walk .stg { opacity: .1; transition: opacity .35s; }
.model.walk-s0 .stg-0, .model.walk-s1 .stg-1, .model.walk-s2 .stg-2, .model.walk-s3 .stg-3, .model.walk-s4 .stg-4 { opacity: 1; }
.model.walk-s1 .stg-0, .model.walk-s2 .stg-0, .model.walk-s2 .stg-1, .model.walk-s3 .stg-0, .model.walk-s3 .stg-1, .model.walk-s3 .stg-2,
.model.walk-s4 .stg-0, .model.walk-s4 .stg-1, .model.walk-s4 .stg-2, .model.walk-s4 .stg-3 { opacity: .4; }
.model.walk-s0 .m-edge.model.stg-0, .model.walk-s1 .m-edge.model.stg-1 { stroke-dasharray: 1400; animation: draw-on 1.1s ease-out both; stroke-width: 1.8; }
.model.walk-s2 .m-edge.calc.stg-2, .model.walk-s3 .m-edge.calc.stg-3, .model.walk-s4 .m-edge.calc.stg-4 { animation: dash-flow .9s linear infinite; stroke-width: 1.8; }
.model.walk-s0 .stg-0.m-node .shape, .model.walk-s1 .stg-1.m-node .shape, .model.walk-s2 .stg-2.m-node .shape,
.model.walk-s3 .stg-3.m-node .shape, .model.walk-s4 .stg-4.m-node .shape { animation: soft-pulse 1.3s ease-in-out 2; }
@keyframes draw-on { from { stroke-dashoffset: 1400; } to { stroke-dashoffset: 0; } }
@keyframes dash-flow { to { stroke-dashoffset: -17; } }
.density .ci-band.reveal { animation: band-in .5s ease-out 1s both; }
@keyframes band-in { from { opacity: 0; } to { opacity: 1; } }
.density-caption { font-size: 11.5px; color: var(--muted); margin: -6px 0 0; }

@media (max-width: 720px) {
  .walk-card { position: sticky; bottom: 8px; z-index: 6; grid-template-columns: 1fr; grid-template-areas: "top" "title" "text" "dots" "nav"; }
  .walk-card .walk-dots { margin-bottom: 10px; }
  .step-rail { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 2px; }
  .step-rail li { flex: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* Production navigation and loading states. */
.brand { color: var(--ink); text-decoration: none; }
.skip-link { position: absolute; top: -60px; left: 12px; z-index: 100; padding: 10px; background: var(--surface); color: var(--ink); }
.skip-link:focus { top: 6px; }
button:disabled, select:disabled, input:disabled { opacity: .55; cursor: default; }

.m-product { fill: var(--calc); }

.audit-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.audit-table th, .audit-table td { padding: 9px 12px 9px 0; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
.audit-table thead th { font-size: 11px; color: var(--ink-2); font-weight: 550; }
#checks-body > .insp-sec { margin-top: 22px; }
@media (max-width: 640px) {
  .canvas-meta, .model-meta { min-width: 0; max-width: 100%; }
  .source-pill { max-width: 100%; white-space: normal; overflow-wrap: anywhere; }
}

.workspace-link { text-decoration: none; white-space: nowrap; }