/* Color Toilet — viewport zoom + floating palette */

.app.toilet-app {
  max-width: none;
  width: 100%;
  margin: 0 auto;
  padding: 10px 12px 20px;
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - var(--shell-h, 44px));
  box-sizing: border-box;
}

.toilet-app .topbar {
  flex-shrink: 0;
}

.topbar-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
}

.zoom-controls {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.zoom-label {
  min-width: 3.2rem;
  text-align: center;
  font-size: var(--fs-sm);
  font-variant-numeric: tabular-nums;
  color: var(--sand);
}

.toilet-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  min-height: 0;
  gap: 0.45rem;
}

.viewport {
  flex: 1;
  min-height: 280px;
  position: relative;
  overflow: hidden;
  cursor: crosshair;
  touch-action: none;
  user-select: none;
  background: var(--bg-deep);
}

.viewport.is-panning,
.viewport.is-panning * {
  cursor: grabbing !important;
}

.world {
  position: absolute;
  left: 0;
  top: 0;
  width: 256px;
  height: 256px;
  transform-origin: 0 0;
  will-change: transform;
}

.bg-art,
.paint-layer,
.grid-layer {
  position: absolute;
  inset: 0;
  width: 256px;
  height: 256px;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  pointer-events: none;
}

/* Internal res is 8× paint (2048); CSS size matches the 256 world so walls stay thin. */
.grid-layer {
  z-index: 2;
}

.paint-layer {
  z-index: 1;
  pointer-events: auto;
}

.stage-hint {
  margin: 0;
  text-align: center;
}

/* ── Floating palette (position local-only) ─────────────────── */

.palette-window {
  position: fixed;
  z-index: 1100;
  width: min(268px, calc(100vw - 1.5rem));
  background: var(--bg1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  left: 1.25rem;
  top: calc(var(--shell-h, 44px) + 5.5rem);
}

.palette-drag {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.55rem 0.75rem;
  background: linear-gradient(180deg, var(--bg3), var(--bg2));
  border-bottom: 1px solid var(--line);
  cursor: grab;
  user-select: none;
  touch-action: none;
}

.palette-drag:active {
  cursor: grabbing;
}

.palette-title {
  font-family: var(--display);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-display);
  text-transform: uppercase;
  font-size: var(--fs-sm);
  color: var(--ink);
}

.palette-hint {
  font-size: var(--fs-xs);
  color: var(--muted);
}

.palette-body {
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.palette-swatches {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 0.35rem;
}

.palette-swatch {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  padding: 0;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.25);
  transition: transform 0.12s ease, border-color 0.12s ease;
}

.palette-swatch:hover {
  transform: scale(1.06);
}

.palette-swatch.is-selected {
  border-color: var(--ink);
  box-shadow:
    0 0 0 2px var(--accent),
    inset 0 0 0 1px rgba(0, 0, 0, 0.2);
}

.palette-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.palette-tools .btn {
  flex: 1;
  min-width: 0;
}

.palette-tools .btn.is-active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.palette-toggle {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: var(--fs-xs);
  color: var(--muted);
  cursor: pointer;
}

.palette-selected {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: var(--fs-xs);
  color: var(--muted);
}

.palette-selected-swatch {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.2);
}

.palette-selected-swatch.is-eraser {
  background:
    linear-gradient(45deg, #888 25%, #ccc 25%, #ccc 50%, #888 50%, #888 75%, #ccc 75%);
  background-size: 8px 8px;
}

@media (max-width: 720px) {
  .palette-window {
    width: min(200px, calc(100vw - 1rem));
  }
}