:root {
  --bg: #f5f7f4;
  --surface: #ffffff;
  --surface-soft: #eef3ef;
  --text: #202426;
  --muted: #65706a;
  --line: #d7ded8;
  --accent: #246a73;
  --accent-strong: #174d55;
  --accent-soft: #d9ebed;
  --warn: #b76b36;
  --rose: #8f4860;
  --shadow: 0 18px 48px rgba(25, 39, 36, 0.09);
  --radius: 8px;
  --content: 940px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(36, 106, 115, 0.08), rgba(245, 247, 244, 0) 280px),
    var(--bg);
}

.legal-section a {color: #FF4400; text-decoration: none;}

button,
input {
  font: inherit;
}

[hidden] {
  display: none !important;
}

.noscript {
  padding: 1rem;
  color: #ffffff;
  background: #7a2f2f;
  text-align: center;
}

.site-header,
.site-footer,
.app-shell {
  width: min(calc(100% - 2rem), var(--content));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  width: min(calc(100% - 2rem), var(--content));
  padding: 0.75rem 0 0rem;
}

.site-footer {
  width: min(calc(100% - 2rem), var(--content));
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0rem;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  width: auto;
  display: block;
  flex: 0 0 auto;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  margin-left: 3rem;
}

.site-logo img {
  display: block;
  width: 256px;
  height: auto;
  object-fit: contain;
}

.app-shell {
  padding: 1rem 0 1.75rem;
}

.screen {
  display: none;
}

.screen.is-active {
  display: block;
}

.screen-start,
.screen-error {
  max-width: var(--content);
  margin-inline: auto;
  padding: 3rem;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.eyebrow,
.question-type {
  margin: 0 0 0.75rem;
  color: var(--accent-strong);
  font-size: 0.86rem;
  font-weight: 800;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 0.85rem;
  font-size: 2.0rem;
  line-height: 1.08;
}

h2 {
  margin-bottom: 1rem;
  font-size: 1.35rem;
  line-height: 1.25;
}

.question-context {
  max-width: 760px;
  margin: -0.2rem 0 1.3rem;
  color: #4f5d56;
  line-height: 1.58;
}

.claim {
  margin-bottom: 1.35rem;
  color: var(--rose);
  font-size: 1.15rem;
  font-weight: 700;
}

.lead {
  max-width: 760px;
  color: #38403c;
  font-size: 1.1rem;
  line-height: 1.65;
}

.start-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.start-grid > div,
.score-card {
  min-height: 9rem;
  padding: 1rem;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.start-grid strong,
.start-grid span,
.score-card span,
.score-card small {
  display: block;
}

.start-grid strong {
  margin-bottom: 0.45rem;
}

.start-grid span,
.score-card small,
.site-footer {
  color: var(--muted);
  line-height: 1.5;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
  margin-top: 1.5rem;
}

.action-row-between {
  justify-content: space-between;
}

.button {
  min-height: 2.85rem;
  padding: 0.75rem 1.1rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 800;
  transition: background-color 140ms ease, border-color 140ms ease, transform 140ms ease;
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.button:focus-visible,
.answer-button:focus-visible,
.chart-marker:focus-visible {
  outline: 3px solid rgba(36, 106, 115, 0.28);
  outline-offset: 3px;
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.52;
}

.button-primary {
  color: #ffffff;
  background: var(--accent);
}

.button-primary:hover:not(:disabled) {
  background: var(--accent-strong);
}

.button-secondary,
.button-quiet {
  color: var(--accent-strong);
  background: #ffffff;
  border-color: var(--line);
}

.button-secondary:hover:not(:disabled),
.button-quiet:hover:not(:disabled) {
  border-color: var(--accent);
}

.button-quiet {
  min-height: 2.35rem;
  padding: 0.52rem 0.75rem;
}

.test-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.progress-label {
  display: block;
  font-weight: 800;
}

.domain-label {
  color: var(--muted);
  font-size: 0.95rem;
}

.progress-track {
  height: 0.55rem;
  overflow: hidden;
  background: #dfe7e1;
  border-radius: 999px;
}

.progress-fill {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--warn));
  border-radius: inherit;
  transition: width 180ms ease;
}

.question-card {
  margin-top: 1.3rem;
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.answer-list {
  display: grid;
  gap: 0.8rem;
  margin-top: 1.4rem;
}

.answer-button {
  width: 100%;
  min-height: 4.15rem;
  padding: 1rem;
  color: var(--text);
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  text-align: left;
  line-height: 1.45;
}

.answer-button-scale {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 3.2rem;
  gap: 1rem;
  align-items: center;
}

.answer-text {
  min-width: 0;
}

.scale-thumb {
  display: grid;
  width: 3.2rem;
  height: 3.2rem;
  place-items: center;
  color: var(--accent);
  background: #ffffff;
  border: 1px solid currentColor;
  border-radius: 999px;
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.7);
}

.scale-thumb svg {
  width: 1.85rem;
  height: 1.85rem;
  display: block;
  transform-box: fill-box;
  transform-origin: center;
}

.thumb-palm,
.thumb-cuff {
  fill: currentColor;
}

.thumb-line {
  fill: rgba(255, 255, 255, 0.78);
}

.scale-thumb-up {
  color: #0b7f3a;
  background: #dff5e7;
}

.scale-thumb-high {
  color: #2ca24f;
  background: #e7f8eb;
}

.scale-thumb-high svg {
  transform: rotate(45deg);
}

.scale-thumb-neutral {
  color: #6f5a14;
  background: #fff3c4;
}

.scale-thumb-neutral .question-mark-icon {
  transform: none;
}

.question-mark-icon path,
.question-mark-icon circle {
  fill: currentColor;
}

.scale-thumb-low {
  color: #d65b24;
  background: #ffe8dd;
}

.scale-thumb-low svg {
  transform: rotate(135deg);
}

.scale-thumb-down {
  color: #c82333;
  background: #ffe1e4;
}

.scale-thumb-down svg {
  transform: rotate(180deg);
}

.answer-button:hover,
.answer-button[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.answer-button[aria-pressed="true"] {
  box-shadow: inset 0 0 0 2px rgba(36, 106, 115, 0.16);
}

.confidence-block {
  margin-top: 1.5rem;
  padding: 1.1rem;
  background: #fbfcfb;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.confidence-head,
.confidence-scale {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.confidence-head label,
.confidence-head output {
  font-weight: 800;
}

.confidence-scale {
  margin-top: 0.45rem;
  color: var(--muted);
  font-size: 0.85rem;
}

input[type="range"] {
  width: 100%;
  margin: 0.85rem 0 0;
  accent-color: var(--accent);
}

.question-feedback {
  margin-top: 1rem;
  padding: 1rem;
  color: #2f3b36;
  background: #f6f1e9;
  border-left: 4px solid var(--warn);
  border-radius: var(--radius);
}

.result-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}

.chart-panel,
.profile-panel,
.result-copy,
.answer-review {
  padding: 1.2rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.chart-container {
  width: 100%;
  aspect-ratio: 880 / 430;
  min-height: 420px;
}

.profile-panel {
  display: block;
}

.profile-panel h2 {
  color: var(--accent-strong);
}

.recommendation {
  margin-top: auto;
  padding-top: 1rem;
  color: #47342f;
  font-weight: 700;
}

.score-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.score-card {
  min-height: 8.25rem;
  background: #ffffff;
}

.score-card span {
  color: var(--muted);
  font-weight: 800;
}

.score-card strong {
  display: block;
  margin: 0.35rem 0;
  color: var(--accent-strong);
  font-size: 2rem;
  line-height: 1;
}

.result-copy {
  line-height: 1.65;
}

.answer-review {
  margin-top: 1rem;
}

.answer-review > p {
  max-width: 760px;
  color: var(--muted);
  line-height: 1.6;
}

.answer-review-list {
  display: grid;
  gap: 0.85rem;
  margin-top: 1rem;
}

.answer-review-item {
  padding: 1rem;
  background: #fbfcfb;
  border: 1px solid var(--line);
  border-left-width: 5px;
  border-radius: var(--radius);
}

.answer-review-item-correct {
  border-left-color: #0b7f3a;
}

.answer-review-item-partial {
  border-left-color: var(--warn);
}

.answer-review-item-wrong {
  border-left-color: #c82333;
}

.answer-review-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.55rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.answer-review-head strong {
  padding: 0.2rem 0.55rem;
  color: var(--text);
  background: var(--surface-soft);
  border-radius: 999px;
}

.answer-review-item h3 {
  margin: 0 0 0.8rem;
  font-size: 1rem;
  line-height: 1.4;
}

.answer-review-item p {
  margin-bottom: 0.5rem;
  line-height: 1.55;
}

.answer-review-explanation {
  color: #4f5d56;
}

.result-copy ul {
  margin: 0;
  padding-left: 1.25rem;
}

.result-copy li + li {
  margin-top: 0.45rem;
}

.site-footer {
  padding: 0rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0;
  max-width: 820px;
  line-height: 1.65;
}

.legal-section {
  max-width: 820px;
  margin-top: 1.1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(101, 112, 106, 0.22);
}

.legal-section h2 {
  margin: 0 0 0.45rem;
  color: var(--accent-strong);
  font-size: 0.98rem;
}

.legal-section p + p {
  margin-top: 0.45rem;
}

.legal-section strong {
  color: var(--text);
}

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

.chart-bg {
  fill: #fbfcfb;
}

.chart-axis {
  fill: none;
  stroke: #46534d;
  stroke-width: 2;
}

.chart-grid path {
  fill: none;
  stroke: #d9e2dc;
  stroke-width: 1;
}

.chart-zones text,
.chart-labels text {
  fill: #65706a;
  font-size: 15px;
}

.chart-zones text {
  font-weight: 800;
}

.dk-curve {
  fill: none;
  stroke: var(--rose);
  stroke-width: 5;
  stroke-linecap: round;
}

.chart-marker line {
  stroke: var(--accent-strong);
  stroke-width: 4;
  stroke-linecap: round;
}

.chart-marker circle:first-of-type {
  fill: var(--warn);
  stroke: #ffffff;
  stroke-width: 4;
}

.marker-eye {
  fill: #ffffff;
  stroke: none;
}

.marker-mouth {
  fill: none;
  stroke: #ffffff;
  stroke-width: 2.5;
  stroke-linecap: round;
}

@media (max-width: 820px) {
  .site-header,
  .site-footer,
  .app-shell {
    width: min(calc(100% - 1rem), var(--content));
  }

  .screen-start,
  .screen-error,
  .question-card {
    padding: 1.25rem;
  }

  h1 {
    font-size: 2rem;
  }

  .lead {
    font-size: 1rem;
  }

  .site-header {
    align-items: flex-start;
    width: min(calc(100% - 1rem), var(--content));
  }

  .site-footer {
    width: min(calc(100% - 1rem), var(--content));
  }

  .site-logo img {
    width: 7rem;
  }

  .start-grid,
  .result-layout,
  .score-grid {
    grid-template-columns: 1fr;
  }

  .start-grid > div,
  .score-card {
    min-height: auto;
  }

  .test-topline,
  .confidence-head,
  .confidence-scale {
    align-items: flex-start;
    flex-direction: column;
  }

  .chart-container {
    aspect-ratio: auto;
    min-height: 0;
    height: 280px;
    overflow: hidden;
  }

  .action-row-between {
    align-items: stretch;
  }

  .action-row-between .button {
    flex: 1 1 10rem;
  }
}