:root {
  color-scheme: light;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
  color: #1f2933;
  background: #f5f7fb;
  --ink: #1f2933;
  --muted: #52606d;
  --line: #cbd5e1;
  --panel: #ffffff;
  --accent: #0f766e;
  --accent-dark: #115e59;
  --focus: #f59e0b;
  --good: #166534;
  --good-bg: #dcfce7;
  --review: #92400e;
  --review-bg: #fef3c7;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--ink);
  border-radius: 6px;
  padding: 0.7rem 0.9rem;
}

button:hover:not(:disabled) {
  border-color: var(--accent);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

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

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

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 10;
  background: var(--ink);
  color: #ffffff;
  padding: 0.75rem 1rem;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.site-header h1 {
  margin: 0;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
}

.eyebrow {
  margin: 0 0 0.25rem;
  color: var(--accent-dark);
  font-weight: 700;
  text-transform: uppercase;
}

nav,
.actions,
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

main {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0;
}

footer {
  padding: 1.5rem;
  text-align: center;
  color: var(--muted);
}

.screen {
  display: none;
}

.screen.active {
  display: block;
}

.intro-panel,
.complaint-card,
.question-panel,
.result-card,
.card,
.metric,
.support-note {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.intro-panel,
.question-panel,
.result-card {
  padding: clamp(1rem, 3vw, 2rem);
}

.support-note,
.complaint-card {
  padding: 1rem;
  margin: 1rem 0;
}

.support-note {
  border-left: 5px solid var(--accent);
}

.section-heading,
.play-header,
.progress-row {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.simple-list li {
  margin-bottom: 0.45rem;
}

.card-grid,
.metric-grid,
.result-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.card,
.metric {
  padding: 1rem;
}

.card h3,
.card h4 {
  margin-top: 0;
}

.metric strong,
.score-box strong {
  display: block;
  font-size: 1.6rem;
}

.score-box {
  min-width: 120px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #eef6f5;
  text-align: center;
}

.pill,
.status-pill,
.badge-pill {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.25rem 0.65rem;
  background: #eef2f7;
  font-size: 0.95rem;
}

.status-pill.complete,
.badge-pill.earned {
  background: var(--good-bg);
  border-color: #86efac;
  color: var(--good);
}

.step-tracker {
  display: grid;
  grid-template-columns: repeat(8, minmax(86px, 1fr));
  gap: 0.5rem;
  padding: 0;
  margin: 1rem 0;
  list-style: none;
}

.step-tracker li {
  padding: 0.6rem;
  min-height: 56px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  font-size: 0.9rem;
}

.step-tracker li.current {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 2px var(--accent);
}

.step-tracker li.done {
  background: var(--good-bg);
  border-color: #86efac;
}

fieldset {
  border: 0;
  padding: 0;
  margin: 1rem 0 0;
}

legend {
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.option-list {
  display: grid;
  gap: 0.65rem;
}

.option-button {
  width: 100%;
  text-align: left;
  background: #ffffff;
}

.option-button.selected.correct {
  background: var(--good-bg);
  border-color: #22c55e;
}

.option-button.selected.incorrect {
  background: var(--review-bg);
  border-color: #f59e0b;
}

.feedback-panel {
  margin: 1rem 0;
  min-height: 3rem;
}

.feedback-message {
  padding: 1rem;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.feedback-message.correct {
  background: var(--good-bg);
  border-color: #86efac;
  color: var(--good);
}

.feedback-message.incorrect {
  background: var(--review-bg);
  border-color: #f59e0b;
  color: var(--review);
}

.ticket-note {
  border-left: 5px solid var(--accent);
  padding-left: 1rem;
}

@media (max-width: 860px) {
  .site-header,
  .section-heading,
  .play-header,
  .progress-row {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  nav button,
  .actions button {
    flex: 1 1 180px;
  }

  .step-tracker {
    grid-template-columns: repeat(2, minmax(130px, 1fr));
  }
}