.welcome-action,
.toolbar-button,
.tool-button,
.touch-command,
.bottom-action,
.icon-button,
.mini-button,
.panel-tab,
.segment {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: var(--tap);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: var(--surface-strong);
  border: 1px solid var(--line);
  font-weight: 800;
}

.welcome-action {
  min-height: 96px;
  flex-direction: column;
  padding: 1rem;
  font-size: 1.08rem;
  box-shadow: 0 10px 26px rgba(31, 41, 38, 0.1);
}

.welcome-action svg {
  width: 2rem;
  height: 2rem;
}

.welcome-action.is-primary,
.toolbar-button.is-accent,
.touch-command.is-core,
.bottom-action.is-core {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
}

.welcome-action:active,
.toolbar-button:active,
.tool-button:active,
.touch-command:active,
.bottom-action:active,
.icon-button:active,
.mini-button:active {
  transform: translateY(1px);
}

.welcome-specs > div {
  min-height: 82px;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 253, 248, 0.72);
}

.welcome-specs dt {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
}

.welcome-specs dd {
  margin: 0.22rem 0 0;
  font-size: 1.05rem;
  font-weight: 900;
}

.icon-button {
  width: var(--tap);
  min-width: var(--tap);
  padding: 0;
}

.toolbar-button {
  min-width: 112px;
  padding: 0 0.85rem;
}

.tool-button {
  min-height: 56px;
  height: 56px;
  flex-direction: column;
  gap: 0.24rem;
  padding: 0.32rem;
  color: var(--muted);
  font-size: 0.68rem;
}

.tool-button svg {
  width: 1.22rem;
  height: 1.22rem;
}

.tool-button.is-active,
.tool-button[aria-pressed="true"] {
  background: var(--mint);
  border-color: var(--teal);
  color: var(--teal-dark);
}

.tool-button.is-core {
  border-color: rgba(216, 155, 37, 0.55);
}

.panel-tab {
  min-height: 44px;
  padding: 0 0.45rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.panel-tab.is-active,
.panel-tab[aria-selected="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--surface);
}

.mini-button {
  min-height: 38px;
  padding: 0 0.7rem;
  color: var(--teal-dark);
}

.field,
.range-field {
  display: grid;
  gap: 0.35rem;
  min-width: 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.field input,
.field select {
  min-height: 48px;
  width: 100%;
  min-width: 0;
  padding: 0 0.75rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
  color: var(--ink);
  font-weight: 750;
}

.field input[type="color"] {
  padding: 0.25rem;
}

.field.compact {
  max-width: 150px;
}

.field.wide {
  min-width: min(360px, 100%);
}

.range-field input[type="range"] {
  width: min(420px, 100%);
  accent-color: var(--teal);
  touch-action: pan-x;
}

.range-field output {
  color: var(--ink);
  font-size: 0.92rem;
}

.control-grid {
  display: flex;
  align-items: start;
  gap: 0.75rem;
  min-width: 0;
  overflow-x: auto;
  padding-bottom: 0.2rem;
}

.touch-command,
.bottom-action {
  min-width: 132px;
  padding: 0 0.85rem;
  white-space: nowrap;
}

.touch-command.is-danger {
  color: #fff;
  background: var(--danger);
  border-color: var(--danger);
}

.text-controls {
  align-items: end;
}

.extrusion-layout {
  display: grid;
  grid-template-columns: minmax(420px, 1fr) minmax(260px, 360px);
  gap: 1rem;
  min-width: 0;
  height: 100%;
}

.extrusion-controls {
  display: flex;
  flex-wrap: wrap;
  align-content: start;
  gap: 0.75rem;
  min-width: 0;
}

.segmented-control {
  display: grid;
  grid-template-columns: repeat(3, minmax(92px, 1fr));
  min-width: 300px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.segment {
  min-height: 48px;
  border: 0;
  border-radius: 0;
  color: var(--muted);
}

.segment + .segment {
  border-left: 1px solid var(--line);
}

.segment.is-active {
  background: var(--amber);
  color: #251a05;
}

.extrusion-preview {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  min-width: 0;
  min-height: 132px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #f2eee6;
  overflow: hidden;
}

.three-preview-mount {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 92px;
  overflow: hidden;
}

.three-preview-mount canvas {
  width: 100%;
  height: 100%;
}

.extrusion-sample {
  max-width: 92%;
  color: var(--teal-dark);
  font-size: clamp(1.4rem, 4vw, 2.6rem);
  font-weight: 950;
  letter-spacing: 0;
  line-height: 1;
  white-space: nowrap;
  transform: skewY(-5deg);
  text-shadow:
    1px 1px 0 #d89b25,
    2px 2px 0 #d89b25,
    3px 3px 0 #b66d20,
    4px 4px 0 #8f4f19;
}

#extrusionPreviewStatus {
  padding: 0.45rem 0.65rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.canvas-empty-state {
  position: absolute;
  inset: auto;
  display: grid;
  place-items: center;
  gap: 0.2rem;
  padding: 0.8rem 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 253, 248, 0.92);
  border: 1px solid var(--line);
  color: var(--muted);
  pointer-events: none;
  text-align: center;
}

.canvas-empty-state strong {
  color: var(--ink);
}

.canvas-viewport[data-canvas-state="con-contenido"] .canvas-empty-state {
  display: none;
}

.scene-extrusion-host {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  width: 220px;
  height: 120px;
  border-radius: var(--radius-sm);
  pointer-events: none;
}

.layer-list,
.history-list {
  display: grid;
  gap: 0.55rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.layer-item,
.history-item {
  display: grid;
  gap: 0.2rem;
  min-height: 54px;
  padding: 0.65rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
}

.layer-item strong,
.history-item strong {
  font-size: 0.88rem;
}

.layer-item span,
.history-item span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.library-status {
  display: grid;
  gap: 0.5rem;
  margin-top: 0.85rem;
}

.status-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  min-height: 40px;
  padding: 0 0.65rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.status-pill[data-mode="oficial"] {
  color: var(--teal-dark);
  border-color: rgba(31, 122, 114, 0.4);
}

.status-pill[data-mode="estructura"] {
  color: #8a5a0a;
  border-color: rgba(216, 155, 37, 0.5);
}

.toast-region {
  position: fixed;
  z-index: 40;
  right: 1rem;
  bottom: 1rem;
  display: grid;
  gap: 0.5rem;
  width: min(360px, calc(100vw - 2rem));
  pointer-events: none;
}

.toast {
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-left: 5px solid var(--teal);
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
  box-shadow: 0 10px 24px rgba(31, 41, 38, 0.14);
  color: var(--ink);
  font-weight: 800;
}