.tt-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  width: 100%;
}

.tt-canvas {
  max-width: 100%;
  border-radius: var(--radius-md);
  box-shadow: inset 0 0 0 3px var(--color-border);
  background: #a5d6a7;
  cursor: pointer;
}

.tt-wave-row { display: flex; justify-content: center; }

.tt-builder {
  width: 100%;
  max-width: 460px;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.tt-builder h3 { margin: 0; font-size: 1rem; }
.tt-part-label { font-weight: 800; font-size: 0.82rem; color: var(--color-text-soft); margin-bottom: 6px; }
.tt-part-row { display: flex; gap: 8px; flex-wrap: wrap; }
.tt-part-btn {
  border: 2px solid var(--color-border);
  background: #eef5f9;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  text-align: left;
  min-width: 90px;
}
.tt-part-btn[aria-pressed="true"] {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
}
.tt-builder-actions { display: flex; gap: 10px; align-items: center; justify-content: space-between; }
.tt-builder-cost { font-weight: 800; }