/* ==========================================================
   BUILDER & EXPLORER VIEW STYLES
   ========================================================== */

#view-builder,
#view-explore {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none; /* Allows pointer, dragover, drop, and wheel events to pass directly through to #renderCanvas! */
  z-index: 10;
}

/* Babylon 3D Render Canvas */
#renderCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  touch-action: none;
  display: none; /* Only displayed in 3D Builder and Explore modes */
  outline: none;
  z-index: 1;
}

/* Re-enable pointer events on interactive UI components */
.builder-topbar,
.sidebar-palette,
.inspector-panel,
.gizmo-toolbar,
.explore-top-actions,
.explore-hud,
.flight-telemetry-panel,
.flight-hud-controls-pill,
.context-menu,
.placement-hud,
.bottom-controls-bar {
  pointer-events: auto;
}

/* Top Builder Header / Toolbar */
.builder-topbar {
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  min-height: 52px;
  height: auto;
  background: rgba(10, 14, 28, 0.9);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 18px;
  gap: 10px;
  flex-wrap: wrap;
  z-index: 100;
}

.builder-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.universe-title-input {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  padding: 5px 10px;
  width: auto;
  max-width: 220px;
  min-width: 130px;
  transition: all 0.2s;
}

.universe-title-input:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
}

.universe-title-input:focus {
  outline: none;
  border-color: var(--cyan-glow);
  background: rgba(0, 240, 255, 0.08);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
}

.status-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.status-badge.published {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-badge.draft {
  background: rgba(255, 183, 3, 0.15);
  color: var(--gold-glow);
  border: 1px solid rgba(255, 183, 3, 0.3);
}

.status-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.builder-topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-left: auto;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.85rem;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  transition: all 0.2s;
  white-space: nowrap;
}

/* Transform Gizmo Selector */
.gizmo-toolbar {
  position: absolute;
  top: calc(var(--header-height) + 64px);
  left: calc(var(--sidebar-width) + 20px);
  background: rgba(12, 16, 32, 0.88);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  padding: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
  z-index: 90;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.gizmo-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  width: 34px;
  height: 34px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.15s;
}

.gizmo-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.gizmo-btn.active {
  background: rgba(0, 240, 255, 0.2);
  color: var(--cyan-glow);
  border: 1px solid rgba(0, 240, 255, 0.4);
}

/* ==========================================================
   LEFT SIDEBAR: OBJECT PALETTE
   ========================================================== */
.sidebar-palette {
  position: absolute;
  top: calc(var(--header-height) + 52px);
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: rgba(10, 14, 28, 0.9);
  backdrop-filter: var(--glass-blur);
  border-right: 1px solid var(--border-glass);
  z-index: 90;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.sidebar-palette.collapsed {
  transform: translateX(-100%);
}

.palette-header {
  padding: 14px 16px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.palette-header h3 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.palette-catalog-count {
  background: rgba(0, 240, 255, 0.12);
  color: var(--cyan-glow);
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 12px;
  font-weight: 600;
  border: 1px solid rgba(0, 240, 255, 0.25);
  white-space: nowrap;
}

/* Palette Search Bar */
.palette-search-wrapper {
  padding: 4px 14px 8px;
}

.palette-search-box {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  padding: 7px 10px;
  gap: 8px;
  transition: all 0.2s;
}

.palette-search-box:focus-within {
  border-color: var(--cyan-glow);
  background: rgba(0, 240, 255, 0.07);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.25);
}

.palette-search-icon {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.palette-search-input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 0.82rem;
  width: 100%;
}

.palette-search-input::placeholder {
  color: var(--text-muted);
}

.palette-search-clear {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.15rem;
  cursor: pointer;
  line-height: 1;
  padding: 0 2px;
  transition: color 0.15s;
}

.palette-search-clear:hover {
  color: var(--text-primary);
}

.palette-drag-hint {
  padding: 0 14px 8px;
  font-size: 0.74rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Horizontal Category Filter Pills */
.palette-categories-scroll {
  display: flex;
  padding: 4px 14px 10px;
  gap: 6px;
  overflow-x: auto;
  border-bottom: 1px solid var(--border-glass);
  scrollbar-width: thin;
}

.palette-categories-scroll::-webkit-scrollbar {
  height: 4px;
}

.palette-categories-scroll::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}

.palette-cat-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: 5px 11px;
  font-size: 0.74rem;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
  user-select: none;
}

.palette-cat-chip:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
}

.palette-cat-chip.active {
  background: rgba(0, 240, 255, 0.18);
  color: var(--cyan-glow);
  border-color: rgba(0, 240, 255, 0.45);
  font-weight: 600;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

.palette-cat-chip .cat-badge {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 1px 6px;
  font-size: 0.68rem;
  font-weight: 600;
}

.palette-cat-chip.active .cat-badge {
  background: rgba(0, 240, 255, 0.3);
  color: #fff;
}

/* Palette Content Container */
.palette-content {
  flex: 1;
  overflow-y: auto;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.palette-cards-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.palette-card {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  padding: 10px 12px;
  cursor: grab;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  transition: all 0.2s ease;
  user-select: none;
  position: relative;
}

.palette-card:hover {
  background: rgba(0, 240, 255, 0.09);
  border-color: rgba(0, 240, 255, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
}

.palette-card:active {
  cursor: grabbing;
  transform: scale(0.98);
}

.palette-card-icon {
  width: 38px;
  height: 38px;
  min-width: 38px;
  border-radius: 8px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.palette-card-info {
  flex: 1;
  min-width: 0;
}

.palette-card-info h4 {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.palette-card-info p {
  font-size: 0.73rem;
  color: var(--text-muted);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 6px;
}

.palette-card-footer {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.palette-type-tag {
  font-size: 0.67rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.palette-static-tag {
  font-size: 0.67rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.palette-speed-tag {
  font-size: 0.67rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

/* Empty search state */
.palette-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 36px 16px;
  color: var(--text-muted);
  gap: 10px;
}

.palette-empty i {
  font-size: 2.2rem;
  color: var(--text-muted);
  opacity: 0.5;
  margin-bottom: 4px;
}

.palette-empty h4 {
  color: var(--text-primary);
  font-size: 0.95rem;
}

.palette-empty p {
  font-size: 0.8rem;
  line-height: 1.4;
  margin-bottom: 8px;
}

/* Drag & Drop Visual HUD Overlay */
.builder-drag-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 95;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at center, rgba(0, 240, 255, 0.08) 0%, rgba(0, 0, 0, 0.25) 80%);
}

.drag-hint-pill {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(10, 14, 28, 0.94);
  border: 2px dashed var(--cyan-glow);
  box-shadow: 0 0 35px rgba(0, 240, 255, 0.5);
  padding: 14px 26px;
  border-radius: 40px;
  color: #fff;
  font-family: var(--font-heading);
  font-size: 0.98rem;
  letter-spacing: 0.5px;
  animation: pulseGlow 1.2s infinite alternate;
}

@keyframes pulseGlow {
  0% { box-shadow: 0 0 15px rgba(0, 240, 255, 0.3); transform: scale(0.98); }
  100% { box-shadow: 0 0 35px rgba(0, 240, 255, 0.65); transform: scale(1.02); }
}

/* Category item card */
.object-item-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: all 0.2s;
}

.object-item-card:hover {
  background: rgba(0, 240, 255, 0.08);
  border-color: rgba(0, 240, 255, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.object-item-card.placing {
  border-color: var(--cyan-glow);
  background: rgba(0, 240, 255, 0.15);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
}

.object-item-preview {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.5);
  flex-shrink: 0;
  position: relative;
}

.preview-sun {
  background: radial-gradient(circle, #ffea00, #ff6b00);
  box-shadow: 0 0 16px #ff9900;
}

.preview-planet {
  background: radial-gradient(circle at 35% 35%, #2a75d3, #0a2e68);
  box-shadow: 0 0 10px rgba(42, 117, 211, 0.5);
}

.preview-blackhole {
  background: #020205;
  border: 2px solid #ff7700;
  box-shadow: 0 0 14px #ff5500;
}

.preview-asteroid {
  background: radial-gradient(circle, #8a8175, #4a443b);
  border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
}

.preview-moon {
  background: radial-gradient(circle at 40% 40%, #e2e8f0, #64748b);
  box-shadow: 0 0 8px rgba(226, 232, 240, 0.3);
}

.preview-station {
  background: #334155;
  border: 1px solid #94a3b8;
  border-radius: 8px;
}

.object-item-details {
  flex: 1;
}

.object-item-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.object-item-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Scene Object Hierarchy / Outliner */
.outliner-container {
  border-top: 1px solid var(--border-glass);
  padding: 12px;
  max-height: 240px;
  overflow-y: auto;
}

.outliner-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.outliner-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.outliner-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
}

.outliner-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.outliner-item.selected {
  background: rgba(0, 240, 255, 0.15);
  border: 1px solid rgba(0, 240, 255, 0.3);
  color: var(--cyan-glow);
}

/* ==========================================================
   RIGHT INSPECTOR PANEL: PROPERTIES EDITOR
   ========================================================== */
.inspector-panel {
  position: absolute;
  top: calc(var(--header-height) + 52px);
  right: 0;
  bottom: 0;
  width: var(--inspector-width);
  background: rgba(10, 14, 28, 0.9);
  backdrop-filter: var(--glass-blur);
  border-left: 1px solid var(--border-glass);
  z-index: 90;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.inspector-panel.collapsed {
  transform: translateX(100%);
}

.inspector-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 48px;
}

.inspector-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

.inspector-color-dot {
  width: 12px;
  height: 12px;
  min-width: 12px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 8px currentColor;
}

.inspector-name-input {
  background: rgba(14, 20, 40, 0.85);
  border: 1px solid var(--border-glass);
  border-radius: 6px;
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 6px 10px;
  flex: 1;
  min-width: 0;
  transition: all 0.2s;
}

.inspector-name-input:focus {
  outline: none;
  border-color: var(--cyan-glow);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
  background: rgba(18, 26, 52, 0.95);
}

.inspector-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  transition: all 0.15s;
}

.inspector-close-btn:hover {
  color: var(--text-primary);
}

.inspector-header h3 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-primary);
}

.inspector-content,
.inspector-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.inspector-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 30px 16px;
  color: var(--text-muted);
  gap: 10px;
}

.inspector-empty-icon {
  font-size: 2.2rem;
  opacity: 0.35;
  color: var(--cyan-glow);
}

.property-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.property-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.property-label {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.property-val-display {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--cyan-glow);
}

.property-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--text-primary);
  font-size: 0.85rem;
  transition: all 0.2s;
}

.property-input:focus {
  outline: none;
  border-color: var(--cyan-glow);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

/* Vector 3 input row */
.vec3-inputs,
.vector3-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 6px;
}

.property-input.vec-input {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 6px 4px;
}

.vector-field {
  display: flex;
  align-items: center;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  padding: 0 6px;
}

.vector-field span {
  font-size: 0.75rem;
  font-weight: 700;
  margin-right: 4px;
}
.vector-field.x span { color: #f87171; }
.vector-field.y span { color: #4ade80; }
.vector-field.z span { color: #60a5fa; }

.vector-field input {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 6px 0;
  outline: none;
}

/* Sliders */
.property-slider,
.range-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
  transition: background 0.2s;
  margin-top: 4px;
}

.property-slider::-webkit-slider-thumb,
.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--cyan-glow);
  cursor: pointer;
  box-shadow: 0 0 8px var(--cyan-glow);
  transition: transform 0.1s;
}

.property-slider::-webkit-slider-thumb:hover,
.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 42px;
  height: 22px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider-round {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.15);
  border: 1px solid var(--border-glass);
  transition: 0.25s;
  border-radius: 22px;
}

.slider-round:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 3px;
  bottom: 3px;
  background-color: #ffffff;
  transition: 0.25s;
  border-radius: 50%;
}

.toggle-switch input:checked + .slider-round {
  background-color: rgba(0, 240, 255, 0.4);
  border-color: var(--cyan-glow);
}

.toggle-switch input:checked + .slider-round:before {
  transform: translateX(20px);
  background-color: var(--cyan-glow);
  box-shadow: 0 0 8px var(--cyan-glow);
}

/* Color Picker */
.color-picker-input {
  -webkit-appearance: none;
  border: 1px solid var(--border-glass);
  border-radius: 6px;
  width: 38px;
  height: 26px;
  cursor: pointer;
  background: transparent;
  padding: 0;
}

.color-picker-input::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-picker-input::-webkit-color-swatch {
  border: none;
  border-radius: 5px;
}

/* Color Picker Row */
.color-picker-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.color-input {
  -webkit-appearance: none;
  border: none;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  cursor: pointer;
  background: transparent;
}
.color-input::-webkit-color-swatch-wrapper {
  padding: 0;
}
.color-input::-webkit-color-swatch {
  border: 1px solid var(--border-glass);
  border-radius: 8px;
}

.color-preset-dots {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.color-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: transform 0.15s, border-color 0.15s;
}

.color-dot:hover {
  transform: scale(1.2);
  border-color: #ffffff;
}

/* Inspector Action buttons */
.inspector-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}

.btn-inspector-action {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s;
}

.btn-inspector-action:hover {
  background: rgba(0, 240, 255, 0.12);
  border-color: var(--cyan-glow);
  color: var(--cyan-glow);
}

.btn-inspector-action.danger {
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.3);
}

.btn-inspector-action.danger:hover {
  background: rgba(239, 68, 68, 0.18);
  border-color: var(--danger);
}

.btn-danger-outline {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s;
}

.btn-danger-outline:hover {
  background: rgba(239, 68, 68, 0.15);
}

/* ==========================================================
   PLACEMENT BANNER HUD
   ========================================================== */
.placement-hud {
  position: absolute;
  top: calc(var(--header-height) + 64px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(14, 20, 40, 0.92);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--cyan-glow);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.35);
  border-radius: 30px;
  padding: 8px 22px;
  display: none;
  align-items: center;
  gap: 14px;
  z-index: 100;
  animation: pulse-border 2s infinite ease-in-out;
}

.placement-hud.active {
  display: flex;
}

@keyframes pulse-border {
  0%, 100% { border-color: rgba(0, 240, 255, 0.5); }
  50% { border-color: rgba(0, 240, 255, 1); }
}

.placement-hud span {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

.placement-hud span strong {
  color: var(--cyan-glow);
}

.placement-hud .btn-cancel {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  cursor: pointer;
}

.placement-hud .btn-cancel:hover {
  background: rgba(239, 68, 68, 0.25);
  color: var(--danger);
}

/* ==========================================================
   BOTTOM CONTROLS BAR (PHYSICS & SIMULATION)
   ========================================================== */
.bottom-controls-bar {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10, 14, 28, 0.9);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: 40px;
  padding: 6px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 90;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
}

.sim-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
}

.sim-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.sim-btn.active {
  background: rgba(0, 240, 255, 0.2);
  color: var(--cyan-glow);
}

.sim-divider {
  width: 1px;
  height: 20px;
  background: var(--border-glass);
}

.speed-selector {
  display: flex;
  align-items: center;
  gap: 4px;
}

.speed-chip {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  padding: 3px 8px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.15s;
}

.speed-chip:hover {
  color: var(--text-primary);
}

.speed-chip.active {
  background: rgba(0, 240, 255, 0.15);
  border-color: rgba(0, 240, 255, 0.4);
  color: var(--cyan-glow);
  font-weight: 700;
}

/* ==========================================================
   EXPLORE MODE HUD
   ========================================================== */
.explore-hud {
  position: absolute;
  top: calc(var(--header-height) + 16px);
  left: 20px;
  z-index: 95;
  pointer-events: none;
}

.explore-hud-card {
  pointer-events: auto;
  background: rgba(12, 16, 32, 0.85);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  padding: 16px 20px;
  min-width: 260px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.explore-target-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--cyan-glow);
  margin-bottom: 4px;
}

.explore-target-type {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.explore-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  font-size: 0.8rem;
}

.explore-stat-label {
  color: var(--text-muted);
}

.explore-stat-value {
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-weight: 600;
}

/* Target selector dropdown */
.explore-target-select {
  pointer-events: auto;
  margin-top: 12px;
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 0.85rem;
}

/* Explore mode top right return action */
.explore-top-actions {
  position: absolute;
  top: calc(var(--header-height) + 16px);
  right: 20px;
  display: flex;
  gap: 10px;
  z-index: 95;
}

/* ==========================================================
   DRAG-AND-DROP & FPS NAVIGATION ENHANCEMENTS
   ========================================================== */
.palette-drag-hint {
  padding: 6px 14px;
  font-size: 0.73rem;
  color: var(--cyan-glow);
  background: rgba(0, 240, 255, 0.08);
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  gap: 6px;
}

.object-item-card[draggable="true"] {
  cursor: grab;
  position: relative;
}

.object-item-card[draggable="true"]:active {
  cursor: grabbing;
}

.object-item-card.dragging {
  opacity: 0.45;
  border-color: var(--cyan-glow);
  transform: scale(0.96);
  background: rgba(0, 240, 255, 0.12);
}

.drag-handle-icon {
  color: var(--text-muted);
  font-size: 0.85rem;
  opacity: 0.5;
  margin-left: auto;
  transition: opacity 0.2s;
}

.object-item-card:hover .drag-handle-icon {
  opacity: 1;
  color: var(--cyan-glow);
}

/* FPS Navigation Helper Banner */
.fps-nav-banner {
  position: absolute;
  top: calc(var(--header-height) + 64px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10, 14, 28, 0.88);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: 30px;
  padding: 6px 18px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  pointer-events: none;
  z-index: 85;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.4);
}

.fps-nav-banner b {
  color: var(--cyan-glow);
}

/* Compact Numeric Input in Properties Panel */
.num-compact-input {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-glass);
  border-radius: 6px;
  color: var(--cyan-glow);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 2px 6px;
  width: 60px;
  text-align: right;
  outline: none;
}

.num-compact-input:focus {
  border-color: var(--cyan-glow);
  background: rgba(0, 240, 255, 0.1);
}

/* Highlight Box for Static Toggle */
.highlight-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  padding: 10px 12px;
}

.toggle-control-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.84rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.toggle-control-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--cyan-glow);
  cursor: pointer;
}

.toggle-control-label span b {
  color: var(--text-primary);
}

/* ==========================================================
   RIGHT-CLICK HTML CONTEXT MENU
   ========================================================== */
.context-menu {
  position: fixed;
  background: rgba(14, 18, 36, 0.96);
  backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 240, 255, 0.35);
  border-radius: 12px;
  padding: 6px;
  min-width: 175px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 240, 255, 0.15);
  z-index: 2500;
  display: flex;
  flex-direction: column;
  gap: 3px;
  animation: context-pop 0.15s ease-out;
}

@keyframes context-pop {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.context-item {
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: all 0.15s;
}

.context-item:hover {
  background: rgba(0, 240, 255, 0.14);
  color: var(--text-primary);
}

.context-item.danger:hover {
  background: rgba(239, 68, 68, 0.18);
  color: var(--danger);
}

.context-divider {
  height: 1px;
  background: var(--border-glass);
  margin: 3px 0;
}

/* ==========================================================
   EXPLORE MODE SPACESHIP FLIGHT HUD
   ========================================================== */
.flight-hud-controls-pill {
  position: absolute;
  top: calc(var(--header-height) + 16px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(8, 12, 26, 0.88);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: 30px;
  padding: 7px 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  z-index: 95;
  pointer-events: none;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
}

.flight-hud-controls-pill b {
  color: var(--cyan-glow);
}

.flight-telemetry-panel {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(10, 14, 30, 0.88);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 12px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 95;
  pointer-events: none;
  min-width: 220px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.flight-stat-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
}

.flight-stat-label {
  color: var(--text-muted);
  font-size: 0.72rem;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.flight-stat-val {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-primary);
}

.flight-stat-val.cyan {
  color: var(--cyan-glow);
  font-size: 0.95rem;
}

/* ==========================================================
   MOBILE BUILDER DOCK & RESPONSIVE RULES (builder.css)
   ========================================================== */
.mobile-builder-nav {
  display: none;
}

.mobile-panel-backdrop {
  display: none;
}

.mobile-hud-text {
  display: none;
}

.desktop-hud-text {
  display: inline;
}

@media (max-width: 768px) {
  /* Builder Topbar Mobile */
  .builder-topbar {
    padding: 6px 12px;
    gap: 8px;
  }

  .builder-title-group {
    width: 100%;
    justify-content: space-between;
  }

  .universe-title-input {
    max-width: 160px;
    font-size: 0.9rem;
    padding: 3px 8px;
  }

  .builder-topbar-actions {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
    justify-content: flex-start;
  }

  .btn-sm {
    padding: 5px 10px;
    font-size: 0.78rem;
  }

  /* Mobile Builder Floating Nav Dock */
  .mobile-builder-nav {
    display: flex;
    position: absolute;
    top: calc(var(--header-height) + 94px);
    left: 12px;
    gap: 8px;
    z-index: 105;
    pointer-events: auto;
  }

  .mobile-panel-btn {
    background: rgba(12, 18, 36, 0.92);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-glass);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
    transition: all 0.2s;
  }

  .mobile-panel-btn:hover,
  .mobile-panel-btn.active {
    background: rgba(0, 240, 255, 0.2);
    border-color: var(--cyan-glow);
    color: var(--cyan-glow);
  }

  .selection-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--cyan-glow);
    box-shadow: 0 0 6px var(--cyan-glow);
    display: inline-block;
  }

  /* Mobile Backdrop */
  .mobile-panel-backdrop.active {
    display: block;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 140;
    pointer-events: auto;
  }

  /* Sidebars on Mobile */
  .sidebar-palette {
    top: var(--header-height);
    width: min(340px, 88vw);
    max-width: 88vw;
    z-index: 150;
    transform: translateX(-100%);
    box-shadow: none;
  }

  .sidebar-palette.mobile-open {
    transform: translateX(0);
    box-shadow: 10px 0 50px rgba(0, 0, 0, 0.85);
  }

  .inspector-panel {
    top: var(--header-height);
    width: min(340px, 88vw);
    max-width: 88vw;
    z-index: 150;
    transform: translateX(100%);
    box-shadow: none;
  }

  .inspector-panel.mobile-open {
    transform: translateX(0);
    box-shadow: -10px 0 50px rgba(0, 0, 0, 0.85);
  }

  /* Gizmo Toolbar on Mobile */
  .gizmo-toolbar {
    top: calc(var(--header-height) + 138px);
    left: 12px;
    padding: 3px;
  }

  .gizmo-btn {
    width: 30px;
    height: 30px;
    font-size: 0.85rem;
  }

  /* Bottom Controls Bar on Mobile */
  .bottom-controls-bar {
    bottom: 12px;
    max-width: calc(100vw - 16px);
    padding: 4px 10px;
    gap: 6px;
    border-radius: 30px;
    overflow-x: auto;
  }

  .sim-btn {
    width: 32px;
    height: 32px;
    font-size: 0.85rem;
  }

  .speed-chip {
    font-size: 0.7rem;
    padding: 2px 6px;
  }

  .sim-divider {
    height: 16px;
  }

  /* Placement HUD */
  .placement-hud {
    top: auto;
    bottom: 64px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100vw - 24px);
    max-width: 400px;
    padding: 6px 14px;
    font-size: 0.75rem;
    justify-content: center;
  }

  .desktop-hud-text {
    display: none;
  }

  .mobile-hud-text {
    display: inline;
  }

  /* Explore Mode Mobile */
  .flight-hud-controls-pill {
    display: none;
  }

  .explore-top-actions {
    top: calc(var(--header-height) + 10px);
    right: 10px;
    gap: 6px;
  }

  .explore-top-actions .btn-sm {
    padding: 5px 8px;
    font-size: 0.75rem;
  }

  .explore-hud {
    top: calc(var(--header-height) + 50px);
    left: 10px;
    right: 10px;
  }

  .explore-hud-card {
    min-width: unset;
    width: 100%;
    padding: 12px 14px;
  }

  .flight-telemetry-panel {
    bottom: 10px;
    left: 10px;
    min-width: 170px;
    padding: 8px 12px;
  }
}