/* ── LEFT TOOLBAR ──────────────────────────────────── */
#toolbar {
  width: var(--toolbar-w);
  background: var(--clr-toolbar);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 6px 0;
  gap: 0;
  flex-shrink: 0;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,.12) transparent;
}

.tool-section-label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: #64748b;
  padding: 6px 0 4px;
  width: 100%;
  text-align: center;
}

.tool-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 100%;
  gap: 1px;
  padding: 0 2px;
}

.tool-btn {
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 9px 4px 8px;
  font-size: 10px;
  transition: background .12s, color .12s;
  border-left: 2px solid transparent;
  border-radius: 5px;
  position: relative;
  width: 100%;
}
.tool-btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.tool-btn span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  display: block;
}
.tool-btn:hover {
  background: var(--clr-toolbar-hover);
  color: #e2e8f0;
}
.tool-btn.active {
  background: rgba(59,130,246,.18);
  color: #93c5fd;
  border-left-color: var(--clr-accent);
}

/* Props panels */
.props-group {
  width: 100%;
  padding: 6px 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.props-group label {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 10px;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.props-group select {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  color: #e2e8f0;
  padding: 4px 6px;
  border-radius: 4px;
  font-size: 12px;
  width: 100%;
  outline: none;
  cursor: pointer;
}
.props-group select:focus {
  border-color: var(--clr-accent);
}
.props-group .tip {
  font-size: 10px;
  color: #64748b;
  font-style: italic;
  text-align: center;
  line-height: 1.4;
}

/* Snap toggle */
.snap-control {
  width: 100%;
  padding: 6px 8px;
  border-top: 1px solid rgba(255,255,255,.06);
}
.switch-label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  color: #94a3b8;
  font-size: 11px;
}
.switch-label input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: var(--clr-accent);
  cursor: pointer;
}

/* ── Furniture Catalog ──────────────────────────── */
#furn-catalog,
#elec-catalog {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 380px;
  overflow-y: auto;
  padding-right: 2px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,.15) transparent;
}
.fcat-section { display: flex; flex-direction: column; gap: 3px; }
.fcat-title {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: #64748b;
  padding: 2px 0 1px;
}
.fcat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
}
.fcat-btn {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  color: #94a3b8;
  border-radius: 5px;
  padding: 4px 2px 3px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-size: 9px;
  line-height: 1.2;
  transition: background .12s, border-color .12s, color .12s;
  text-align: center;
}
.fcat-btn svg { flex-shrink: 0; }
.fcat-btn:hover { background: rgba(255,255,255,.14); color: #e2e8f0; }
.fcat-btn.selected {
  background: rgba(59,130,246,.22);
  border-color: var(--clr-accent);
  color: #93c5fd;
}

/* Zoom controls */
.zoom-controls {
  display: flex;
  width: 100%;
  padding: 6px 4px;
  gap: 2px;
  border-top: 1px solid rgba(255,255,255,.06);
  flex-wrap: wrap;
  justify-content: center;
}
.zoom-controls button {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.1);
  color: #94a3b8;
  width: 26px;
  height: 26px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .12s;
  flex-shrink: 0;
}
.zoom-controls button:hover {
  background: rgba(255,255,255,.2);
  color: #e2e8f0;
}
#zoom-level {
  font-size: 10px;
  width: 40px;
  padding: 0 2px;
}