:root {
  --bg: #f4f1ea;
  --panel: #ffffff;
  --panel-alt: #f8f6f1;
  --line: #d9d2c7;
  --line-strong: #bcb3a6;
  --text: #10151d;
  --muted: #5f6976;
  --teal: #0d7f79;
  --amber: #9c6b24;
  --red: #a14c56;
  --gold: #76613c;
  --body: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --shadow: 0 1px 0 rgba(16, 21, 29, 0.04);
  --radius-xl: 14px;
  --radius-lg: 12px;
  --radius-md: 10px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    linear-gradient(180deg, #f7f4ee 0%, #f0ece5 100%);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--body);
  line-height: 1.5;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(16, 21, 29, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 21, 29, 0.03) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.22;
}

.page {
  width: min(1240px, calc(100vw - 28px));
  margin: 0 auto;
  padding: 26px 0 40px;
}

.hero,
.panel,
.footer-note {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 18px;
  padding: 24px;
  margin-bottom: 18px;
}

.eyebrow {
  display: inline-block;
  margin: 0;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  font-weight: 700;
}

.eyebrow--small {
  color: var(--muted);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  max-width: 13ch;
  margin: 12px 0 14px;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.02;
}

.lead {
  max-width: 65ch;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.process-copy {
  display: grid;
  gap: 10px;
  max-width: 66ch;
}

.process-copy__title {
  margin: 0;
  color: var(--text);
  font-weight: 700;
  font-size: 1.02rem;
}

.process-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
}

.process-list li + li {
  margin-top: 6px;
}

.summary-panel {
  padding: 18px;
  border-radius: var(--radius-lg);
  background: var(--panel-alt);
  border: 1px solid var(--line);
}

.summary-panel__head {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.summary-panel__head p {
  margin: 6px 0 0;
  color: var(--muted);
}

.summary-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 18px;
  margin-top: 14px;
}

.summary-stat {
  padding: 0 0 12px;
  border-bottom: 1px solid var(--line);
}

.summary-stat:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.summary-stat span,
.result-item span,
.control-section label > span,
.shock-control > span {
  display: block;
  color: var(--muted);
  font-size: 0.84rem;
  margin-bottom: 7px;
}

.summary-stat strong,
.result-item strong {
  display: block;
  font-family: var(--mono);
  font-size: clamp(1.05rem, 1.8vw, 1.45rem);
  font-weight: 700;
}

.summary-stat--accent strong {
  color: var(--teal);
}

.panel {
  padding: 22px;
}

.section--definitions {
  margin-bottom: 18px;
}

.section-head {
  margin-bottom: 18px;
}

.section-head h2 {
  margin-bottom: 8px;
  font-size: 1.45rem;
}

.section-head p {
  margin-bottom: 0;
  color: var(--muted);
}

.definition-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 18px;
}

.definition-row {
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.definition-row h3 {
  margin-bottom: 6px;
  font-size: 1rem;
}

.definition-row p {
  margin-bottom: 0;
  color: var(--muted);
}

.workspace {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 18px;
}

.model-panel,
.analysis-panel {
  display: grid;
  gap: 16px;
}

.control-grid {
  display: grid;
  gap: 14px;
}

.control-section {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.control-section h3 {
  margin-bottom: 12px;
  font-size: 1.02rem;
}

.control-section label {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}

.slider-row {
  padding: 0 2px;
}

.slider-row input[type="range"] {
  width: 100%;
  margin: 0;
}

.input-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.input-wrap--shock {
  padding-top: 13px;
  padding-bottom: 13px;
}

input[type="number"] {
  width: 100%;
  background: transparent;
  border: 0;
  outline: none;
  color: var(--text);
  font: 600 0.98rem var(--mono);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--teal);
}

.unit,
output {
  white-space: nowrap;
  font-family: var(--mono);
  color: var(--muted);
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  cursor: pointer;
  font-size: 0.95rem;
}

.toggle input {
  width: 18px;
  height: 18px;
  accent-color: var(--teal);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.chip {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  padding: 8px 12px;
  border-radius: 999px;
  font: 600 0.88rem var(--body);
  cursor: pointer;
}

.chip:hover,
.chip:focus-visible {
  border-color: var(--line-strong);
}

.chip.is-active {
  background: #edf6f5;
  border-color: rgba(13, 127, 121, 0.3);
  color: var(--teal);
}

.selected-move {
  padding-top: 8px;
}

.selected-move span {
  display: block;
  color: var(--muted);
  font-size: 0.84rem;
  margin-bottom: 6px;
}

.selected-move strong {
  display: block;
  font-family: var(--mono);
  font-size: 1.1rem;
}

.narrative {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.narrative-head {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

.narrative-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.narrative-summary {
  margin: 0;
  color: var(--text);
  font-weight: 600;
}

.narrative-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.narrative-card {
  padding: 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--panel-alt);
}

.narrative-card__label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.narrative-card h3 {
  margin-bottom: 8px;
  font-size: 0.98rem;
}

.narrative-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.math-panel {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.math-panel summary {
  cursor: pointer;
  list-style: none;
  color: var(--text);
  font-weight: 700;
  font-size: 1rem;
}

.math-panel summary::-webkit-details-marker {
  display: none;
}

.math-body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.math-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel-alt);
}

.math-card h3 {
  margin-bottom: 6px;
  font-size: 0.98rem;
}

.math-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.88rem;
  line-height: 1.55;
}

.result-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
}

.result-item {
  padding: 15px;
}

.result-item + .result-item {
  border-left: 1px solid var(--line);
}

.result-item small {
  display: block;
  color: var(--muted);
  margin-top: 8px;
}

.chart-block,
.table-block {
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.chart-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
}

.chart-head h3 {
  margin-bottom: 6px;
  font-size: 1.08rem;
}

.chart-head p {
  margin-bottom: 0;
  color: var(--muted);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  color: var(--muted);
  font-size: 0.84rem;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}

.dot--solid {
  background: #1d232d;
}

.dot--warm {
  background: var(--amber);
}

.dot--teal {
  background: var(--teal);
}

.dot--amber {
  background: var(--amber);
}

.chart,
.stack-chart {
  width: 100%;
}

.chart-svg {
  width: 100%;
  height: auto;
  display: block;
}

.chart-grid {
  stroke: rgba(16, 21, 29, 0.09);
  stroke-width: 1;
}

.chart-axis {
  fill: var(--muted);
  font-size: 12px;
}

.chart-label {
  fill: var(--muted);
  font-size: 12px;
}

.chart-zero {
  stroke: rgba(16, 21, 29, 0.22);
  stroke-width: 1.2;
  stroke-dasharray: 6 6;
}

.chart-focus {
  stroke: rgba(13, 127, 121, 0.55);
  stroke-width: 1.4;
  stroke-dasharray: 6 6;
}

.waterfall-row {
  display: grid;
  grid-template-columns: 150px 1fr 110px;
  gap: 12px;
  align-items: center;
}

.waterfall-label {
  color: var(--muted);
  font-size: 0.88rem;
}

.waterfall-track {
  position: relative;
  min-height: 20px;
  border-radius: 999px;
  background: #f0ede7;
  overflow: hidden;
}

.waterfall-center {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(16, 21, 29, 0.22);
}

.waterfall-fill {
  position: absolute;
  top: 0;
  bottom: 0;
  border-radius: 999px;
}

.waterfall-fill--positive {
  background: linear-gradient(90deg, rgba(13, 127, 121, 0.3), rgba(13, 127, 121, 0.9));
}

.waterfall-fill--negative {
  background: linear-gradient(90deg, rgba(161, 76, 86, 0.3), rgba(161, 76, 86, 0.9));
}

.waterfall-value {
  text-align: right;
  font-family: var(--mono);
}

.waterfall-row--emphasis .waterfall-label,
.waterfall-row--emphasis .waterfall-value {
  color: var(--text);
  font-weight: 700;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
}

thead th {
  text-align: left;
  padding: 12px 10px;
  color: var(--muted);
  font-family: var(--body);
  font-weight: 600;
  border-bottom: 1px solid var(--line);
}

tbody td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
}

.status {
  font-family: var(--body);
  font-weight: 700;
}

.status--good,
.state--good {
  color: var(--teal);
}

.status--warn,
.state--warn {
  color: var(--amber);
}

.status--bad,
.state--bad {
  color: var(--red);
}

.footer-note {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: var(--radius-lg);
  color: var(--muted);
}

.state {
  font-family: var(--body);
  font-weight: 700;
}

@media (max-width: 1120px) {
  .hero,
  .workspace,
  .definition-list {
    grid-template-columns: 1fr;
  }

  .summary-stats,
  .result-strip {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 780px) {
  .page {
    width: min(100vw - 16px, 1240px);
    padding-top: 10px;
  }

  .hero,
  .panel,
  .footer-note {
    padding: 16px;
    border-radius: 12px;
  }

  .summary-stats,
  .result-strip {
    grid-template-columns: 1fr;
  }

  .result-item + .result-item {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .chart-head,
  .legend {
    flex-direction: column;
    justify-content: flex-start;
  }

  .math-body {
    grid-template-columns: 1fr;
  }

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

  .waterfall-row {
    grid-template-columns: 1fr;
  }

  .waterfall-value {
    text-align: left;
  }
}