/* ── TERRAIN PROCEDURAL ── */
.terrain-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.6rem 1.4rem;
  position: relative;
  overflow: hidden;
}
.terrain-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(94, 207, 160, 0.005) 3px,
    rgba(94, 207, 160, 0.005) 4px
  );
}

.terrain-canvas-wrap {
  position: relative;
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  background: var(--code);
}
.terrain-canvas-wrap:hover {
  border-color: rgba(94, 207, 160, 0.15);
}
.terrain-canvas {
  width: 100%;
  height: auto;
  display: block;
}

.terrain-hint {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.55rem;
  color: var(--cream3);
  text-align: center;
  margin-top: 0.6rem;
  letter-spacing: 0.06em;
  opacity: 0.7;
  transition: opacity 0.3s;
}
.terrain-canvas-wrap:hover + .terrain-hint {
  opacity: 1;
  color: var(--teal);
}

.terrain-seed {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.5rem;
  color: var(--cream3);
  opacity: 0.5;
  text-align: right;
  margin-top: 0.3rem;
}

.terrain-legend {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 0.8rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--border);
}
.terrain-legend-item {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.5rem;
  color: var(--cream3);
  letter-spacing: 0.04em;
}
.terrain-legend-swatch {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  border: 1px solid var(--border);
}