/* Learner-first activities shared by the editorial Wordle guides. */

.guide-learning-lab {
  margin: var(--space-6) 0;
  padding: var(--space-5);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
}

.guide-learning-lab > h2 {
  margin: 0 0 var(--space-3);
  color: var(--fg);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1.3;
}

.guide-learning-lab__intro,
.guide-learning-lab__fallback,
.guide-learning-lab__hint {
  margin: 0 0 var(--space-4);
  color: var(--muted);
  font-size: var(--text-base);
  line-height: 1.6;
}

.guide-learning-lab.is-enhanced .guide-learning-lab__fallback {
  display: none;
}

.guide-learning-lab fieldset {
  min-width: 0;
  margin: 0 0 var(--space-4);
  padding: 0;
  border: 0;
}

.guide-learning-lab legend,
.guide-learning-lab label {
  color: var(--fg);
  font-size: var(--text-base);
  font-weight: 700;
}

.guide-learning-lab__choices {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.guide-learning-lab__choice {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  min-height: 2.75rem;
  padding: var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--panel-2);
  cursor: pointer;
}

.guide-learning-lab__choice:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.guide-learning-lab__choice input {
  flex: 0 0 auto;
  margin-top: 0.25rem;
}

.guide-learning-lab__choice span {
  line-height: 1.35;
}

.guide-learning-lab__control {
  display: grid;
  gap: var(--space-2);
  margin: 0 0 var(--space-4);
}

.guide-learning-lab select,
.guide-learning-lab input[type="range"] {
  width: min(100%, 28rem);
}

.guide-learning-lab select {
  min-height: 2.75rem;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--panel-2);
  color: var(--fg);
  font: inherit;
}

.guide-learning-lab button {
  min-height: 2.75rem;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  background: var(--accent);
  color: var(--on-accent);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.guide-learning-lab button:disabled,
.guide-learning-lab select:disabled,
.guide-learning-lab input:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}

.guide-learning-lab button:focus-visible,
.guide-learning-lab select:focus-visible,
.guide-learning-lab input:focus-visible,
.guide-learning-lab__choice:focus-within {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.guide-learning-lab__panels,
.guide-learning-lab__result {
  margin-top: var(--space-4);
}

.guide-learning-lab__panel,
.guide-learning-lab__result {
  padding: var(--space-4);
  border-left: 0.3rem solid var(--accent);
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--fg);
  font-size: var(--text-base);
  line-height: 1.6;
}

.guide-learning-lab__panel + .guide-learning-lab__panel {
  margin-top: var(--space-3);
}

.guide-learning-lab__panel h3 {
  margin: 0 0 var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-lg);
}

.guide-learning-lab__panel p,
.guide-learning-lab__result p {
  margin: 0;
}

.guide-learning-lab__panel p + p,
.guide-learning-lab__panel ol,
.guide-learning-lab__panel ul {
  margin-top: var(--space-3);
}

.guide-learning-lab__metric {
  font-variant-numeric: tabular-nums;
}

.guide-learning-lab progress {
  display: block;
  width: min(100%, 28rem);
  height: 1rem;
  margin-top: var(--space-2);
  accent-color: var(--accent);
}

.guide-learning-lab__meter {
  width: min(100%, 28rem);
  height: 0.75rem;
  margin-top: var(--space-3);
  overflow: hidden;
  border-radius: 999px;
  background: var(--border);
}

.guide-learning-lab__meter-fill {
  width: var(--guide-meter, 0%);
  height: 100%;
  background: var(--accent);
  transition: width 180ms ease;
}

.guide-volatility-chart {
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
  min-height: 7rem;
  margin: var(--space-4) 0 var(--space-2);
  padding: var(--space-3);
  border-bottom: 2px solid var(--border);
}

.guide-volatility-chart__bar {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  width: 2.5rem;
  height: calc(var(--guide-turns, 3) * 1rem);
  padding-top: var(--space-1);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  background: var(--accent);
  color: var(--on-accent);
  font-size: var(--text-xs);
  font-weight: 700;
  transition: height 180ms ease;
}

.guide-volatility-chart__bar:nth-child(1),
.guide-volatility-chart__bar:nth-child(2) {
  --guide-turns: 3;
}

.guide-volatility-chart__bar:nth-child(3),
.guide-volatility-chart__bar:nth-child(4) {
  --guide-turns: 4;
}

.guide-volatility-chart__bar:nth-child(5) {
  --guide-turns: 5;
}

.guide-learning-lab__route {
  margin: var(--space-3) 0 0;
  padding-left: var(--space-5);
  color: var(--fg);
  font-size: var(--text-base);
  line-height: 1.6;
}

.guide-learning-lab__route li + li {
  margin-top: var(--space-2);
}

.guide-learning-lab__route li::marker {
  color: var(--accent);
  font-weight: 700;
}

@media (max-width: 32rem) {
  .guide-learning-lab {
    padding: var(--space-4);
  }

  .guide-learning-lab__choices {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .guide-learning-lab__meter-fill,
  .guide-volatility-chart__bar {
    transition: none;
  }
}