:root {
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #d1d5db;
  --green-soft: #ecfdf3;
  --green-mist: #ecfdf3;
  --purple-soft: #dcfce7;
  --ink-deep: #0f172a;
  --rejected: #b91c1c;
  --rejected-soft: #ffe8e8;
  --flow-grey-fill: #f2f4f7;
  --flow-grey-stroke: #c9d1db;
  --flow-grey-line: #c3cbd6;
}

* {
  box-sizing: border-box;
}

body {
  --approved: #16803c;
  --process: #16803c;
  --chart-1: #16803c;
  margin: 0;
  font-family: "Avenir Next", "Montserrat", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 8% 15%, rgba(var(--accent-rgb), 0.08), transparent 28%),
    radial-gradient(circle at 92% 8%, rgba(15, 23, 42, 0.05), transparent 26%),
    var(--bg);
  padding: 24px;
}

body.embedded {
  background: transparent;
  padding: 0;
  min-height: 0;
}

.sim-page {
  max-width: 1220px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

body.embedded .sim-page {
  max-width: none;
  padding: 14px;
  align-content: start;
}

body.embedded .controls-card,
body.embedded .metrics-layout,
body.embedded .results-grid {
  min-width: 0;
}

.intro-card,
.controls-card,
.flow-card,
.chart-card,
.result-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
}

.intro-card {
  padding: 16px;
}

body.embedded .intro-card {
  display: none;
}

h1 {
  margin: 0 0 8px;
  font-size: 1.7rem;
}

p {
  margin: 0;
  color: var(--muted);
  line-height: 1.4;
}

.rejected {
  color: var(--rejected);
  font-weight: 700;
}

.approved {
  color: var(--approved);
  font-weight: 700;
}

.legend {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--muted);
  font-size: 0.9rem;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.marker {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: inline-block;
  border: 1px solid #3f4e69;
}

.marker-approved {
  background: var(--approved);
}

.marker-rejected {
  background: var(--rejected);
}

.controls-card {
  padding: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: end;
}

.control {
  min-width: 210px;
}

body.embedded .control {
  min-width: 160px;
  flex: 1 1 160px;
}

label {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 5px;
}

input[type="number"],
input[type="range"] {
  width: 100%;
}

input[type="number"] {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 0.95rem;
}

input[type="range"] {
  accent-color: var(--accent-2);
}

.buttons {
  margin-left: auto;
  display: flex;
  gap: 10px;
}

button {
  border: none;
  border-radius: 10px;
  padding: 10px 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.1s ease, opacity 0.2s ease;
}

button:hover {
  background: linear-gradient(135deg, var(--accent-deep), var(--accent));
  transform: translateY(-1px);
}

button.ghost {
  background: #e5e7eb;
  color: #111827;
}

.flow-card {
  padding: 10px;
  overflow: hidden;
}

.flow-card-head {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  margin-bottom: 8px;
}

.flow-title {
  margin: 0;
  font-size: 1rem;
  color: var(--ink-deep);
}

.flow-canvas-wrap {
  display: block;
}

#flowCanvas {
  width: 100%;
  min-width: 0;
  height: auto;
  display: block;
}

.lane-line {
  stroke: var(--flow-grey-line);
  stroke-width: 2;
}

.lane-title {
  fill: var(--muted);
  font-weight: 700;
  font-size: 20px;
}

.node {
  fill: var(--flow-grey-fill);
  stroke: var(--flow-grey-stroke);
  stroke-width: 2;
}

.common-node {
  fill: var(--flow-grey-fill);
  stroke: var(--flow-grey-stroke);
}

.approval-node {
  fill: var(--flow-grey-fill);
  stroke: var(--flow-grey-stroke);
}

.rejection-node {
  fill: var(--flow-grey-fill);
  stroke: var(--flow-grey-stroke);
}

.start-event {
  fill: var(--flow-grey-fill);
  stroke: var(--flow-grey-stroke);
  stroke-width: 3;
}

.end-event {
  fill: var(--flow-grey-fill);
  stroke: var(--flow-grey-stroke);
  stroke-width: 4;
}

.node-text {
  fill: var(--ink-deep);
  font-size: 13px;
  font-weight: 700;
}

.task-icon {
  fill: #9ca6b2;
  font-size: 24px;
  font-weight: 700;
}

.decision-node {
  fill: var(--flow-grey-fill);
  stroke: var(--flow-grey-stroke);
  stroke-width: 2;
}

.decision-text {
  fill: var(--ink-deep);
  font-size: 11px;
  font-weight: 700;
}

.flow-line {
  fill: none;
  stroke: var(--flow-grey-line);
  stroke-width: 3;
  marker-end: url(#arrowHead);
}

.approval-line {
  stroke: var(--flow-grey-line);
}

.rejection-line {
  stroke: var(--flow-grey-line);
}

.path-label {
  fill: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.outcome-summary {
  font-size: 16px;
  font-weight: 700;
  fill: var(--ink-deep);
}

.summary-approved-value {
  fill: var(--approved);
}

.summary-rejected-value {
  fill: var(--rejected);
}

.step-tag {
  stroke: var(--flow-grey-stroke);
  stroke-width: 1.5;
}

.approved-tag {
  fill: var(--approved);
}

.rejected-tag {
  fill: var(--rejected);
}

.sim-dot {
  stroke: #ffffff;
  stroke-width: 2;
}

.metrics-layout {
  display: grid;
  grid-template-columns: minmax(360px, 1fr) minmax(420px, 1.2fr);
  gap: 12px;
  align-items: stretch;
}

body.embedded .metrics-layout {
  grid-template-columns: minmax(320px, 1fr) minmax(320px, 1.1fr);
}

.result-card {
  padding: 14px;
  min-width: 0;
}

.summary-card {
  display: grid;
  gap: 18px;
  align-content: start;
  align-self: start;
}

.summary-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.summary-intro {
  margin-top: 6px;
  max-width: 28rem;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.4;
}

.summary-hero {
  min-width: 170px;
  padding: 16px 18px;
  border-radius: 14px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent-soft) 95%, white), rgba(255, 255, 255, 0.98));
  border: 1px solid rgba(var(--accent-rgb), 0.18);
  text-align: center;
}

.summary-hero-label {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.outcome-block-label {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.outcome-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.outcome-block {
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.approved-outcome {
  background: rgba(var(--accent-rgb), 0.08);
}

.rejected-outcome {
  background: rgba(185, 28, 28, 0.08);
}

.outcome-block-value {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
}

.outcome-block-rate {
  display: block;
  margin-top: 6px;
  font-size: 1rem;
  font-weight: 800;
}

h2 {
  margin: 0;
  font-size: 1.04rem;
}

.row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 7px 0;
  border-bottom: 1px dashed var(--border);
}

.big {
  font-size: 2rem;
  font-weight: 800;
  color: var(--ink-deep);
}

.emphasis .big {
  color: var(--ink-deep);
}

.steps-approved {
  color: var(--approved);
  font-weight: 700;
}

.steps-rejected {
  color: var(--rejected);
  font-weight: 700;
}

#processBpuBig {
  color: var(--process);
}

#approvedRate,
#approvedCases {
  color: var(--approved);
}

#rejectedRate,
#rejectedCases {
  color: var(--rejected);
}

.support-line {
  margin: 0;
  font-size: 0.95rem;
  color: var(--ink-deep);
  font-weight: 700;
}

.outcome-approved {
  color: var(--approved);
  font-weight: 700;
}

.outcome-rejected {
  color: var(--rejected);
  font-weight: 700;
}

.chart-card {
  padding: 14px;
}

.charts-grid {
  display: block;
  min-width: 0;
}

.charts-grid .chart-card {
  display: flex;
  flex-direction: column;
  align-self: start;
}

.chart-wrap {
  position: relative;
  flex: 1;
  min-height: 220px;
}

.formula {
  margin-top: 2px;
  padding: 12px 14px;
  border-radius: 12px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent-soft) 90%, white), color-mix(in srgb, var(--accent-soft) 72%, white));
  border: 1px solid rgba(var(--accent-rgb), 0.22);
  display: grid;
  gap: 8px;
}

.formula-label {
  display: block;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.formula-equation {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  line-height: 1.45;
  color: var(--ink-deep);
}

.equation-part {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.equation-operator {
  color: var(--muted);
  font-weight: 800;
}

.equation-result {
  color: var(--accent-deep);
}

@media (max-width: 860px) {
  body {
    padding: 12px;
  }

  .buttons {
    margin-left: 0;
  }

  .metrics-layout {
    grid-template-columns: 1fr;
  }

  .outcome-split {
    grid-template-columns: 1fr;
  }

  .summary-card-head {
    display: grid;
  }

  .charts-grid {
    display: block;
  }

  .formula {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1100px) {
  body.embedded .buttons {
    margin-left: 0;
  }

  body.embedded .control {
    min-width: 0;
    flex: 1 1 100%;
  }

  body.embedded .buttons,
  body.embedded .buttons button {
    width: 100%;
  }

  body.embedded .outcome-split {
    grid-template-columns: 1fr;
  }
}