.stroop-game .stroop-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 28px 24px 26px;
  border: 1px solid var(--hub-border);
  border-radius: var(--hub-radius-lg);
  background: var(--hub-surface);
  box-shadow: var(--hub-shadow-sm);
}

.stroop-game .stroop-timer-row {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 480px;
}

.stroop-game .stroop-timer-label {
  font-size: 14px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: #db2777;
  min-width: 56px;
  transition: color 0.15s ease;
}

.stroop-game .stroop-timer-label.is-low { color: #b91c1c; }

.stroop-game .stroop-timer-track {
  flex: 1;
  height: 8px;
  border-radius: 999px;
  background: #fbcfe8;
  overflow: hidden;
}

.stroop-game .stroop-timer-fill {
  height: 100%;
  width: 100%;
  background: #db2777;
  transition: width 50ms linear, background-color 0.15s ease;
}

.stroop-game .stroop-timer-fill.is-low { background: #ef4444; }

.stroop-game .stroop-word {
  font-size: 64px;
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1;
  padding: 24px 12px;
  user-select: none;
  font-variant-numeric: tabular-nums;
  text-transform: uppercase;
}

.stroop-game .stroop-options {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  width: 100%;
  max-width: 540px;
}

.stroop-game .stroop-option {
  padding: 14px 8px;
  border-radius: 12px;
  border: none;
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.03em;
  cursor: pointer;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.18);
  transition: transform 0.05s ease, filter 0.15s ease;
}

.stroop-game .stroop-option:hover { filter: brightness(1.08); }
.stroop-game .stroop-option:active { transform: translateY(1px); }

.stroop-game .stroop-feedback {
  min-height: 22px;
  font-size: 14px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.stroop-game .stroop-feedback[data-kind="correct"] { color: #047857; }
.stroop-game .stroop-feedback[data-kind="wrong"]   { color: #b91c1c; }

.stroop-game .stroop-ready-note {
  margin: 0;
  max-width: 56ch;
  text-align: center;
  color: var(--hub-muted);
  font-size: 14px;
  line-height: 1.55;
}

.stroop-game .stroop-key-hint {
  font-size: 12px;
  font-weight: 600;
  color: var(--hub-muted);
}

.stroop-game .stroop-key-hint kbd {
  display: inline-block;
  margin: 0 2px;
  padding: 2px 6px;
  border: 1px solid var(--hub-border);
  border-radius: 4px;
  background: var(--hub-surface-muted);
  font-family: ui-monospace, monospace;
  font-size: 11px;
  color: var(--hub-ink);
}

.stroop-game .stroop-results-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  width: 100%;
  max-width: 540px;
  margin: 0 auto 20px;
}

.stroop-game .stroop-result-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 16px 10px;
  border: 1px solid var(--hub-border);
  border-radius: var(--hub-radius-md);
  background: var(--hub-surface-muted);
}

.stroop-game .stroop-result-stat span {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--hub-muted);
}

.stroop-game .stroop-result-stat strong {
  font-size: 20px;
  font-weight: 800;
  color: var(--hub-ink);
  font-variant-numeric: tabular-nums;
}

@media (max-width: 640px) {
  .stroop-game .stroop-word { font-size: 48px; padding: 16px 8px; }
  .stroop-game .stroop-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .stroop-game .stroop-results-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}