/* Terrain builder -- extends style.css (not edited: docs/playground.md keeps the two
   pages' stylesheets separate). Layout + canvas/tool chrome specific to builder.html. */

header.top nav a {
  font-size: 0.85rem;
  color: var(--text-dim);
  text-decoration: none;
}
header.top nav a:hover { color: var(--accent); }

.canvas-wrap {
  width: 100%;
  max-width: 900px;
  margin: 0 auto 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: #000;
}

#terrain-canvas {
  display: block;
  width: 100%;
  aspect-ratio: 2 / 1;
  height: auto;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  touch-action: none;
  cursor: crosshair;
}

.readout {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 10px 0;
  padding: 12px 14px;
  background: var(--bg-panel-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.readout > div { display: flex; flex-direction: column; gap: 2px; min-width: 120px; }
.readout .label { font-size: 0.72rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.06em; }
.readout .value { font-size: 1.05rem; font-variant-numeric: tabular-nums; color: var(--text); }
.readout .value.flagged { color: var(--warn-text); }

.tool-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.tool-btn {
  background: var(--bg-panel-raised);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 0.85rem;
  font-family: var(--font-body);
  cursor: pointer;
}
.tool-btn.active { background: var(--accent-dim); color: var(--text); border-color: var(--accent); }

.check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-right: 6px;
}

.field-btn { flex: 0 0 auto; display: flex; align-items: flex-end; }
#seed-field[hidden] { display: none; }

.foot { margin-top: 30px; }

@media (max-width: 480px) {
  .tool-row { gap: 6px; }
  .tool-btn { padding: 7px 12px; font-size: 0.8rem; }
}