/* Creator Studio Layout */
.creator-studio {
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--header-height));
  min-height: 680px;
  background: var(--color-bg);
  overflow: hidden;
}

/* Creator Top Toolbar */
.creator-toolbar {
  height: 56px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  z-index: 10;
  gap: 1rem;
}

.creator-tool-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.creator-body {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
}

/* Left Panel: Library */
.creator-left-panel {
  width: 300px;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 5;
}

.creator-panel-header {
  padding: 1rem 1.25rem;
  font-weight: 700;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.creator-tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

.creator-tab {
  flex: 1;
  padding: 0.65rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

.creator-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  background: var(--color-surface);
}

.creator-library-content {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
}

.library-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.library-item-btn {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.85rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.library-item-btn:hover {
  transform: scale(1.15);
  background: var(--color-primary-light);
  border-color: var(--color-primary);
}

.library-asset-btn {
  padding: 0.35rem;
}

.library-asset-btn img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Center Stage: Canvas Area */
.creator-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  position: relative;
  overflow: auto;
  padding: 2rem;
}

.canvas-wrapper {
  position: relative;
  box-shadow: var(--shadow-xl);
  border-radius: var(--radius-md);
  background-color: transparent;
  background-image: linear-gradient(45deg, #ccc 25%, transparent 25%), 
                    linear-gradient(-45deg, #ccc 25%, transparent 25%), 
                    linear-gradient(45deg, transparent 75%, #ccc 75%), 
                    linear-gradient(-45deg, transparent 75%, #ccc 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  touch-action: none;
}

#creatorCanvas {
  display: block;
  border-radius: var(--radius-md);
}

/* Right Panel: Properties Inspector */
.creator-right-panel {
  width: 320px;
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  z-index: 5;
  padding: 1.25rem;
  gap: 1.25rem;
}

.prop-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.prop-label {
  font-size: 0.825rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.prop-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.prop-input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.9rem;
}

.prop-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.prop-color-picker {
  -webkit-appearance: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  width: 42px;
  height: 38px;
  cursor: pointer;
  padding: 2px;
  background: var(--color-bg);
}

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

.prop-color-picker::-webkit-color-swatch {
  border: none;
  border-radius: var(--radius-xs);
}

/* Layer Management List */
.layers-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  max-height: 180px;
  overflow-y: auto;
}

.layer-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.layer-item.active {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  font-weight: 700;
}

.layer-actions {
  display: flex;
  gap: 0.25rem;
}

/* Responsive collapse for small screens */
@media (max-width: 900px) {
  .creator-body {
    flex-direction: column;
  }
  .creator-left-panel, .creator-right-panel {
    width: 100%;
    height: auto;
    max-height: 220px;
  }
  .creator-stage {
    padding: 1rem;
    min-height: 360px;
  }
}