.zones-shell {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-bottom: 2rem;
}

.zones-intro {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-end;
}

.zones-intro h1 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin: 0.25rem 0;
}

.zones-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.zones-workspace {
  display: grid;
  grid-template-columns: 1.4fr 0.7fr;
  gap: 1rem;
}

@media (max-width: 900px) {
  .zones-workspace {
    grid-template-columns: 1fr;
  }
}

.zones-meta {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin-bottom: 0.5rem;
}

.zones-canvas-wrap {
  position: relative;
  width: 100%;
  background: #111;
  border: 3px solid var(--ink);
  border-radius: 14px;
  overflow: hidden;
  line-height: 0;
  user-select: none;
  touch-action: none;
}

.zones-canvas-wrap img {
  width: 100%;
  height: auto;
  display: block;
  pointer-events: none;
}

.zones-canvas-wrap canvas {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

.zone-card {
  border: 3px solid var(--ink);
  border-radius: 12px;
  padding: 0.65rem 0.75rem;
  margin-bottom: 0.6rem;
  background: var(--cream);
}

.zone-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.zone-swatch {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  border: 2px solid var(--ink);
  display: inline-block;
}

.zone-card label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 700;
  margin: 0.25rem 0;
}

.zone-card .fine {
  margin: 0.25rem 0 0;
}

.zone-card.active {
  outline: 3px solid var(--grape);
}