:root {
  color-scheme: light;
  --bg: #edf2f1;
  --bg-grid: rgba(23, 45, 40, 0.07);
  --ink: #17201d;
  --muted: #61716d;
  --panel: #fbfdfc;
  --panel-2: #f5f8f7;
  --line: #cbd8d4;
  --console: #111a17;
  --console-text: #f4faf7;
  --console-muted: #9bb2aa;
  --green: #0a7a5a;
  --green-bright: #4bd39d;
  --blue: #235fba;
  --ruby: #b23a48;
  --focus: rgba(35, 95, 186, 0.28);
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    linear-gradient(var(--bg-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px),
    linear-gradient(135deg, #f9fbfb 0%, var(--bg) 54%, #e4ecea 100%);
  background-size: 36px 36px, 36px 36px, auto;
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.decision-shell {
  width: min(1260px, 100%);
  margin: 0 auto;
  padding: 18px 14px 34px;
}

.tool-intro {
  display: grid;
  gap: 14px;
  padding: 8px 0 18px;
}

.eyebrow {
  margin: 0 0 9px;
  color: var(--green);
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 0;
  font-size: clamp(34px, 6vw, 70px);
  line-height: 0.96;
}

.lede {
  max-width: 680px;
  margin-bottom: 0;
  align-self: end;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.52;
}

.decision-layout {
  display: grid;
  gap: 14px;
}

.control-surface,
.outcome-surface,
.comparison-section,
.memo-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel), transparent 3%);
}

.control-surface {
  padding: 14px;
}

.outcome-surface {
  display: grid;
  gap: 12px;
  border-color: color-mix(in srgb, var(--console), white 18%);
  background:
    linear-gradient(135deg, rgba(75, 211, 157, 0.12), transparent 36%),
    var(--console);
  color: var(--console-text);
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
}

.outcome-surface .section-heading {
  color: var(--console-muted);
}

.section-heading strong {
  color: var(--ink);
  font-size: 11px;
  text-transform: none;
}

.outcome-surface .section-heading strong {
  color: var(--console-text);
}

.input-grid {
  display: grid;
  gap: 10px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
}

input {
  width: 100%;
  min-height: 43px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
  color: var(--ink);
  padding: 10px 11px;
  transition: border-color 160ms var(--ease-out), box-shadow 160ms var(--ease-out), transform 120ms var(--ease-out);
}

input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--focus);
}

input:active {
  transform: scale(0.99);
}

input:invalid {
  border-color: var(--ruby);
  box-shadow: 0 0 0 3px rgba(178, 58, 72, 0.14);
}

.assumptions {
  margin-top: 12px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.assumptions summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  color: var(--ink);
  font-weight: 830;
}

.assumptions summary small {
  color: var(--muted);
  font-weight: 650;
}

.assumptions .compact {
  margin-top: 12px;
}

.recommendation {
  border-bottom: 1px solid rgba(244, 250, 247, 0.16);
  padding: 15px 14px 17px;
}

.recommendation .label {
  display: block;
  margin-bottom: 8px;
  color: var(--green-bright);
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
}

.recommendation h2 {
  margin-bottom: 8px;
  color: var(--console-text);
  font-size: 27px;
  line-height: 1.05;
}

.recommendation p {
  max-width: 64ch;
  margin-bottom: 0;
  color: var(--console-muted);
  line-height: 1.45;
}

.metric-strip,
.sensitivity-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-strip {
  border-block: 1px solid rgba(244, 250, 247, 0.16);
}

.metric-strip > div,
.sensitivity-grid > div {
  min-width: 0;
  padding: 12px;
}

.metric-strip > div + div,
.sensitivity-grid > div + div {
  border-left: 1px solid rgba(244, 250, 247, 0.16);
}

.metric-strip span,
.sensitivity-grid span,
.sensitivity-grid small {
  display: block;
  color: var(--console-muted);
  font-size: 11px;
  font-weight: 760;
}

.metric-strip strong,
.sensitivity-grid strong {
  display: block;
  margin-top: 6px;
  color: var(--console-text);
  font-size: clamp(18px, 5vw, 30px);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.sensitivity-grid small {
  margin-top: 7px;
  line-height: 1.3;
}

.chart-block,
.sensitivity {
  padding: 12px;
}

.chart-block {
  border-bottom: 1px solid rgba(244, 250, 247, 0.16);
}

canvas {
  display: block;
  width: 100%;
  height: min(55vh, 380px);
  min-height: 320px;
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
}

.comparison-section {
  margin-top: 14px;
  padding: 14px;
}

.scenario-review {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 14px;
}

.scenario-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.scenario-tabs button,
.scenario-controls button {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
  color: var(--ink);
  font-size: 12px;
  font-weight: 780;
  transition: border-color 160ms var(--ease-out), background 160ms var(--ease-out), transform 120ms var(--ease-out);
}

.scenario-tabs button {
  flex: 0 0 auto;
  min-height: 38px;
  padding: 8px 10px;
  white-space: nowrap;
}

.scenario-tabs button span {
  color: var(--muted);
  margin-right: 5px;
}

.scenario-tabs button.active {
  border-color: var(--console);
  background: var(--console);
  color: var(--console-text);
}

.scenario-tabs button.active span {
  color: var(--green-bright);
}

.scenario-tabs button:active,
.scenario-controls button:active {
  transform: scale(0.97);
}

.scenario-card {
  --scenario-accent: var(--green-bright);
  border: 1px solid var(--console);
  border-radius: 8px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--scenario-accent), transparent 82%), transparent 34%),
    var(--console);
  color: var(--console-text);
  padding: 15px;
  touch-action: pan-y;
}

.scenario-card-header {
  display: grid;
  gap: 12px;
  border-bottom: 1px solid rgba(244, 250, 247, 0.16);
  padding-bottom: 13px;
}

.scenario-card-header h2 {
  margin-bottom: 7px;
  font-size: 26px;
  line-height: 1.05;
}

.scenario-card-header p {
  max-width: 62ch;
  margin-bottom: 0;
  color: var(--console-muted);
  line-height: 1.45;
}

.scenario-card-header > strong {
  align-self: start;
  color: var(--scenario-accent);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.scenario-rank {
  display: block;
  margin-bottom: 8px;
  color: var(--scenario-accent);
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
}

.scenario-kpis {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.scenario-kpis > div {
  min-width: 0;
  border-bottom: 1px solid rgba(244, 250, 247, 0.16);
  padding: 12px 0;
}

.scenario-kpis > div:nth-child(odd) {
  padding-right: 10px;
}

.scenario-kpis > div:nth-child(even) {
  border-left: 1px solid rgba(244, 250, 247, 0.16);
  padding-left: 10px;
}

.scenario-kpis span {
  display: block;
  color: var(--console-muted);
  font-size: 11px;
  font-weight: 760;
}

.scenario-kpis strong {
  display: block;
  margin-top: 6px;
  color: var(--console-text);
  font-size: clamp(18px, 5vw, 28px);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.scenario-controls {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
}

.scenario-controls button {
  min-height: 38px;
  padding: 8px 12px;
}

.scenario-controls button:last-child {
  justify-self: end;
}

.scenario-position {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

table {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 12px 10px;
  text-align: right;
  white-space: nowrap;
}

th:first-child,
td:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--panel);
  text-align: left;
}

th {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

td {
  font-size: 14px;
  font-weight: 680;
  font-variant-numeric: tabular-nums;
}

tr:last-child td {
  border-bottom: 0;
}

.memo-panel {
  display: grid;
  gap: 8px;
  margin-top: 14px;
  padding: 16px;
  background: var(--panel-2);
}

.memo-panel h2 {
  margin-bottom: 0;
  font-size: 22px;
}

.memo-panel p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.5;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

@media (min-width: 760px) {
  .decision-shell {
    padding: 32px 22px 46px;
  }

  .tool-intro {
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.72fr);
    align-items: end;
    padding-bottom: 24px;
  }

  .decision-layout {
    grid-template-columns: minmax(320px, 0.82fr) minmax(0, 1.6fr);
    align-items: start;
  }

  .control-surface {
    position: sticky;
    top: 16px;
  }

  .input-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .control-surface .input-grid {
    grid-template-columns: 1fr;
  }

  .assumptions .compact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .scenario-card-header {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }

  .scenario-kpis {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .scenario-kpis > div {
    border-left: 1px solid rgba(244, 250, 247, 0.16);
    padding-inline: 12px;
  }

  .scenario-kpis > div:nth-child(3n + 1) {
    border-left: 0;
    padding-left: 0;
  }
}

@media (min-width: 1080px) {
  .control-surface .input-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .metric-strip,
  .sensitivity-grid {
    grid-template-columns: 1fr;
  }

  .metric-strip > div + div,
  .sensitivity-grid > div + div {
    border-left: 0;
    border-top: 1px solid rgba(244, 250, 247, 0.16);
  }

  .recommendation h2 {
    font-size: 23px;
  }

  canvas {
    min-height: 330px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}