/* Waveform Recognition Quiz — tool-specific overrides only.
   Shared tokens/components live in design-system.css. */

.wrq-warn-note {
  max-width: 800px;
  margin: var(--space-md) auto 0;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-secondary);
  border-left: 4px solid var(--color-secondary);
  border-radius: var(--radius-sm);
  background: rgba(0, 229, 255, 0.06);
  color: var(--color-text);
  font-size: 0.9rem;
  line-height: 1.55;
  text-align: left;
}
.wrq-warn-note strong { color: var(--color-text-bright); }

.wrq-range { width: 100%; margin-top: 8px; accent-color: var(--color-primary); }
.wrq-volval { color: var(--color-secondary); font-family: var(--font-mono); }

/* Local utility classes used in this page's markup but not in the shared sheet */
.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.btn--ghost:hover { color: var(--color-primary); border-color: var(--color-primary); }
.input-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}
.input-hint {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: var(--space-sm) 0;
}

/* Scoreboard */
.wrq-score {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}
.wrq-score__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: var(--space-sm) 4px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgba(0, 255, 65, 0.03);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.wrq-score[data-playing="true"] .wrq-score__item {
  border-color: rgba(0, 255, 65, 0.35);
}
.wrq-score__label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}
.wrq-score__val {
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 4vw, 1.8rem);
  line-height: 1;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}
@media (max-width: 560px) {
  .wrq-score { grid-template-columns: repeat(3, 1fr); }
}

/* Difficulty row */
.wrq-row { margin-bottom: var(--space-md); }
.wrq-row__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}
.wrq-levels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.wrq-level {
  padding: 10px 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}
.wrq-level:hover { color: var(--color-text); }
.wrq-level--on {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(0, 255, 65, 0.08);
}
@media (max-width: 560px) {
  .wrq-levels { grid-template-columns: 1fr; }
}

/* Transport controls */
.wrq-controls {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-sm);
}
.wrq-controls .btn { width: 100%; }
@media (max-width: 560px) {
  .wrq-controls { grid-template-columns: 1fr; }
}

/* Answer choices */
.wrq-choices {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}
.wrq-choice {
  padding: 14px 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease, transform 0.1s ease;
}
.wrq-choice:not(:disabled):hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-surface-hover);
  transform: translateY(-2px);
}
.wrq-choice:disabled { cursor: default; }
.wrq-choice--correct {
  border-color: var(--color-success);
  color: var(--color-success);
  background: rgba(0, 230, 118, 0.12);
}
.wrq-choice--wrong {
  border-color: var(--color-error);
  color: var(--color-error);
  background: rgba(255, 23, 68, 0.12);
}

/* Feedback line */
.wrq-feedback {
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  border: 1px dashed var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--color-text);
  min-height: 2.4em;
}

/* Reveal: plot + description */
.wrq-reveal {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  padding: var(--space-lg) var(--space-md);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  background: rgba(0, 255, 65, 0.04);
}
@media (max-width: 700px) {
  .wrq-reveal { grid-template-columns: 1fr; }
}
.wrq-canvas {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
}
.wrq-reveal__caption {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--color-text-muted);
  text-align: center;
}
.wrq-reveal__name {
  margin: 0 0 var(--space-sm);
  color: var(--color-primary);
}
.wrq-reveal__harm,
.wrq-reveal__timbre {
  margin: 0 0 var(--space-sm);
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--color-text);
}
.wrq-reveal__timbre { color: var(--color-text-muted); }

/* Footer actions */
.wrq-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-md);
}
.btn--small { padding: 4px 10px; font-size: 0.78rem; }