.tool-main-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 1.25rem;
  margin: 0 auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: var(--shadow-base);
}

.canvas-wrapper {
  background: radial-gradient(ellipse at center, #1a1a2e 0%, #0f0f1a 100%);
  border-radius: 0.75rem;
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.15);
}

canvas#gear-canvas {
  display: block;
  width: 100%;
  height: auto;
}

.controls-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.control-label {
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-base);
  opacity: 0.5;
}

.control-group .btn-group {
  display: flex;
  gap: 0.25rem;
}

.control-group .btn-group button {
  padding: 0.25rem 0.55rem;
  font-size: 0.7rem;
  font-weight: 500;
  border: 1px solid var(--border-base);
  border-radius: 0.4rem;
  background: var(--bg-page);
  color: var(--text-base);
  cursor: pointer;
  transition: all 0.2s ease;
}

.control-group .btn-group button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.control-group .btn-group button.active {
  background: color-mix(in srgb, var(--accent) 10%, var(--bg-page));
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 8px color-mix(in srgb, var(--accent) 12%, transparent);
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(95px, 1fr));
  gap: 0.35rem;
}

.data-card {
  background: var(--bg-page);
  border: 1px solid var(--border-base);
  border-radius: 0.5rem;
  padding: 0.4rem 0.5rem;
  transition: all 0.2s ease;
  cursor: default;
}

.data-card:hover {
  border-color: var(--accent);
}

.data-card.highlighted {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 6%, var(--bg-page));
  box-shadow: 0 0 10px color-mix(in srgb, var(--accent) 8%, transparent);
}

.data-card .name {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin-bottom: 0.15rem;
}

.data-card .stats {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.data-card .stats span {
  font-size: 0.65rem;
  color: var(--text-base);
  opacity: 0.75;
}

.data-card .stats .val {
  color: var(--accent);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  opacity: 1;
}

.flow-bar {
  background: var(--bg-page);
  border: 1px solid var(--border-base);
  border-radius: 0.5rem;
  padding: 0.4rem 0.6rem;
}

.flow-bar .flow-label {
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-base);
  opacity: 0.5;
  margin-bottom: 0.2rem;
}

.flow-bar .flow-path {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  flex-wrap: wrap;
}

.flow-bar .flow-path .step {
  font-size: 0.65rem;
  color: var(--text-base);
  opacity: 0.4;
  padding: 0.1rem 0.3rem;
  border-radius: 0.2rem;
  transition: all 0.25s ease;
}

.flow-bar .flow-path .step.active {
  opacity: 1;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--bg-page));
}

.flow-bar .flow-path .arrow {
  color: var(--text-base);
  opacity: 0.2;
  font-size: 0.7rem;
}