.tonal-workbench {
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 14px 36px rgb(32 37 53 / 0.05);
  padding: 28px;
}

.tonal-control-bar {
  align-items: end;
  background: var(--canvas);
  border: 1px solid var(--line);
  border-radius: 10px;
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
  margin-bottom: 18px;
  padding: 20px;
}

.tonal-workbench .section-title {
  font-size: 1.55rem;
  letter-spacing: 0;
  margin-bottom: 8px;
}

.tonal-workbench .intro-text {
  color: var(--muted);
  margin: 0;
}

.tonal-base-field {
  margin: 0;
}

.tonal-base-field .tool-row {
  flex-wrap: nowrap;
}

.tonal-strip {
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  height: 58px;
  margin-bottom: 14px;
  overflow: hidden;
}

.tonal-strip span {
  min-width: 0;
}

.tonal-grid {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-top: 0;
}

.tonal-swatch {
  border: 1px solid rgb(0 0 0 / 0.12);
  border-radius: 8px;
  min-height: 92px;
  min-width: 0;
  padding: 14px 10px;
  width: 100%;
}

.tonal-swatch span {
  display: block;
  font-size: 1rem;
  font-weight: 900;
}

.tonal-swatch small {
  font-family: "Courier New", monospace;
  overflow-wrap: anywhere;
}

.tonal-code-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-top: 16px;
}

.tonal-code-card .code-copy-block {
  margin-top: 8px;
  white-space: pre;
}

.tonal-copy-row {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
}

.tonal-copy-status {
  color: var(--brand-dark);
  font-size: 0.9rem;
  font-weight: 800;
  opacity: 0;
  transition: opacity 0.18s ease;
}

.tonal-copy-status.visible {
  opacity: 1;
}

@media (max-width: 820px) {
  .tonal-control-bar {
    grid-template-columns: 1fr;
  }

  .tonal-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .tonal-workbench {
    padding: 18px;
  }

  .tonal-control-bar {
    padding: 16px;
  }

  .tonal-base-field .tool-row {
    align-items: stretch;
    flex-direction: column;
  }

  .tonal-base-field input[type="color"] {
    width: 100%;
  }

  .tonal-strip {
    height: 44px;
  }
}