/* Basecoat owns controls; these rules own the sculpt workspace and density. */
:root {
  color-scheme: dark;
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-size: 14px;
}
body {
  margin: 0;
  height: 100dvh;
  overflow: hidden;
  overscroll-behavior: none;
}
[hidden] {
  display: none !important;
}
#viewport {
  position: fixed;
  inset: 0;
  overflow: hidden;
  touch-action: none;
  outline: none;
  background: #20242b;
}
canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}
button,
input,
select,
summary {
  -webkit-tap-highlight-color: transparent;
}
.tool-rail {
  position: fixed;
  z-index: 4;
  top: max(12px, env(safe-area-inset-top));
  left: max(8px, env(safe-area-inset-left));
  max-height: calc(100dvh - 24px - env(safe-area-inset-bottom));
  overflow-y: auto;
  scrollbar-width: none;
  display: grid;
  gap: 6px;
}
.tool-rail .brushes,
.rail-group {
  display: grid;
  gap: 1px;
  padding: 3px;
  border-radius: 5px;
  background: #22252bd9;
}
.icon-button.btn {
  width: 38px;
  height: 38px;
  padding: 8px;
  border: 0;
  border-radius: 4px;
  color: #d4d7db;
  background: #22252bd9;
  touch-action: none;
}
.tool-rail .icon-button.btn {
  touch-action: pan-y;
}
.icon-button svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}
.icon-button.btn:hover {
  background: #43484f;
}
.tool-rail .btn[aria-pressed="true"] {
  color: #fff;
  background: #386fa9;
}
.tool-rail > .btn {
  margin-left: 3px;
}
#view-navigation {
  position: fixed;
  z-index: 4;
  right: max(12px, env(safe-area-inset-right));
  top: max(12px, env(safe-area-inset-top));
  touch-action: none;
  user-select: none;
}
#orbit-gizmo {
  position: relative;
  width: 104px;
  height: 104px;
  border-radius: 50%;
  cursor: grab;
  touch-action: none;
}
#orbit-gizmo:active {
  cursor: grabbing;
}
#orbit-gizmo > svg {
  position: absolute;
  inset: 0;
  width: 104px;
  height: 104px;
  pointer-events: none;
}
.axis-line {
  stroke-width: 2;
}
.axis {
  position: absolute;
  width: 25px;
  height: 25px;
  padding: 0;
  border: 1px solid var(--axis-color);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: var(--axis-color);
  color: #15202c;
  font-size: 12px;
  font-weight: 600;
  cursor: grab;
  touch-action: none;
}
.axis.rear {
  background: #30343bec;
}
.axis:hover {
  filter: brightness(1.3);
}
.axis:focus-visible,
#orbit-gizmo:focus-visible {
  outline: 2px solid white;
  outline-offset: 3px;
}
.view-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 2px;
}
.view-buttons .btn {
  width: 32px;
  height: 32px;
  padding: 7px;
  border-radius: 50%;
}
.modified-label {
  position: fixed;
  z-index: 3;
  top: max(8px, env(safe-area-inset-top));
  font-size: 10px;
  letter-spacing: 0.02em;
  color: #b7bac1;
  pointer-events: none;
}
.modified-label {
  left: 62px;
}
.panel {
  position: fixed;
  z-index: 5;
  top: max(12px, env(safe-area-inset-top));
  padding: 10px;
  background: var(--popover);
  color: var(--popover-foreground);
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px #0003;
  max-height: calc(
    100dvh - max(24px, env(safe-area-inset-top)) -
      max(12px, env(safe-area-inset-bottom))
  );
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  touch-action: pan-y;
}
.tools-panel {
  left: max(58px, calc(env(safe-area-inset-left) + 50px));
  width: min(216px, calc(100vw - 74px));
  border-radius: 6px;
}
.settings-panel {
  left: max(58px, calc(env(safe-area-inset-left) + 50px));
  width: min(264px, calc(100vw - 74px));
  border-radius: 6px;
}
.pieces-panel {
  left: max(58px, calc(env(safe-area-inset-left) + 50px));
  width: min(248px, calc(100vw - 74px));
  border-radius: 6px;
}
.pieces-panel .btn {
  background: #262a30;
  color: #d4d7db;
}
.pieces-panel .btn:hover {
  background: #343b45;
}
#piece-list {
  display: grid;
  gap: 3px;
  max-height: 180px;
  overflow-y: auto;
}
.piece-row.btn {
  justify-content: flex-start;
  gap: 8px;
}
.pieces-panel .piece-row[aria-pressed="true"] {
  background: #386fa9;
  color: white;
}
.piece-row i {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
}
.piece-material {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 10px 0;
  font-size: 12px;
}
.piece-material .btn {
  margin-left: auto;
}
#piece-color {
  width: 30px;
  height: 26px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.preset-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 3px;
  margin-block: 10px;
}
.preset-grid .btn {
  padding: 5px;
  height: 36px;
}
.preset-grid svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
}
.piece-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
  padding-top: 8px;
}
.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 28px;
  margin-bottom: 6px;
}
.panel-heading h2 {
  font-size: 12px;
  font-weight: 600;
}
.panel .btn {
  height: 30px;
  font-size: 12px;
  padding-inline: 8px;
  border-radius: 5px;
}
.panel-heading .btn {
  width: 28px;
  height: 28px;
  font-size: 18px;
  color: var(--muted-foreground);
}
.brushes {
  display: grid;
  gap: 2px;
}
.brushes .btn {
  justify-content: space-between;
  font-weight: 400;
}
.brushes .btn span {
  color: var(--muted-foreground);
  font-size: 10px;
}
.panel [aria-pressed="true"] {
  background: var(--accent);
  color: var(--accent-foreground);
  box-shadow: inset 2px 0 0 #dedee4;
}
.control-section {
  border-top: 1px solid var(--border);
  margin-top: 8px;
  padding-top: 8px;
}
label {
  display: block;
  font-size: 11px;
  line-height: 18px;
}
output {
  float: right;
  color: var(--muted-foreground);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
}
.panel input[type="range"] {
  display: block;
  width: 100%;
  height: 24px;
  margin: 0 0 4px;
  touch-action: none;
}
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 32px;
  cursor: pointer;
}
.toggle-row small {
  display: block;
  color: var(--muted-foreground);
  font-size: 10px;
  line-height: 16px;
}
.toggle-row input {
  flex-shrink: 0;
}
.history,
.navigation,
.project-actions,
.settings-footer {
  display: grid;
  gap: 4px;
}
.history,
.settings-footer {
  grid-template-columns: 1fr 1fr;
}
.navigation {
  grid-template-columns: repeat(3, 1fr);
}
.wide {
  width: 100%;
  margin-top: 4px;
}
.project-name {
  color: var(--muted-foreground);
  font-size: 11px;
  margin: 4px 0 10px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.project-actions {
  grid-template-columns: repeat(3, 1fr);
}
#save {
  grid-column: 1/-1;
}
.palm-row {
  margin-top: 12px;
  padding-bottom: 10px;
}
details {
  border-top: 1px solid var(--border);
}
/* Avoid transient overlapping controls during the library's height animation. */
details::details-content {
  transition: none;
}
summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 36px;
  font-size: 12px;
  cursor: pointer;
  list-style: none;
}
summary::-webkit-details-marker {
  display: none;
}
summary::after {
  content: "+";
  color: var(--muted-foreground);
}
details[open] > summary::after {
  content: "−";
}
summary:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
  border-radius: 3px;
}
.disclosure-content {
  padding: 4px 0 12px;
}
.settings-footer {
  border-top: 1px solid var(--border);
  padding-top: 8px;
}
.select {
  width: 100%;
}
.panel .select {
  height: 32px;
  font-size: 12px;
}
.hint {
  font-size: 11px;
  line-height: 1.6;
  color: var(--muted-foreground);
}
.pressure-meter {
  height: 3px;
  background: var(--muted);
  margin: 8px 0;
  border-radius: 2px;
  overflow: hidden;
}
#pressure-fill {
  width: 0;
  height: 100%;
  background: var(--foreground);
}
#curve {
  display: block;
  width: 100%;
  height: 40px;
  margin: 8px 0;
}
.curve-grid {
  fill: none;
  stroke: var(--border);
}
.curve-grid,
#curve-line {
  stroke-width: 1;
}
#curve-line {
  fill: none;
  stroke: var(--foreground);
}
.swatches {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}
.swatches .btn {
  width: 32px;
  height: 32px;
  padding: 6px;
  border: 1px solid transparent;
}
.swatches .btn::before {
  content: "";
  width: 18px;
  height: 18px;
  background: var(--swatch);
  border-radius: 50%;
}
.swatches .btn[aria-pressed="true"] {
  border-color: var(--muted-foreground);
  box-shadow: none;
}
#cursor {
  position: absolute;
  border: 1px solid #d0efdc;
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
}
#cursor i {
  position: absolute;
  width: 3px;
  height: 3px;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  background: #d0efdc;
  transform: translate(-50%, -50%);
}
.status-toast {
  position: fixed;
  z-index: 8;
  bottom: max(12px, env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  max-width: min(400px, calc(100vw - 32px));
  padding: 6px 10px;
  border-radius: 5px;
  background: var(--popover);
  border: 1px solid var(--border);
  color: var(--popover-foreground);
  font-size: 11px;
  text-align: center;
  pointer-events: none;
  opacity: 0;
}
.status-toast.visible {
  opacity: 1;
}
.canvas-message {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(340px, calc(100% - 48px));
  padding: 20px;
  color: var(--popover-foreground);
  background: var(--popover);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.canvas-message h1 {
  font-size: 16px;
  font-weight: 600;
}
.canvas-message p {
  margin: 10px 0 16px;
  font-size: 12px;
  color: var(--muted-foreground);
}
.dialog > form {
  width: min(380px, calc(100vw - 32px));
  overflow: auto;
}
.dialog label {
  margin-bottom: 6px;
}
.dialog .hint {
  margin-top: 8px;
}
.dialog dl {
  font-size: 12px;
  line-height: 1.6;
}
.dialog dt {
  margin-top: 12px;
  font-weight: 500;
}
.dialog dd {
  color: var(--muted-foreground);
}
@media (any-pointer: coarse) {
  .icon-button.btn {
    width: 40px;
    height: 40px;
  }
  .view-buttons .btn {
    width: 34px;
    height: 34px;
  }
  .panel .btn {
    min-height: 36px;
  }
  .toggle-row,
  summary {
    min-height: 40px;
  }
  .panel input[type="range"] {
    height: 32px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .btn,
  .dialog,
  .dialog > * {
    transition: none;
  }
}