/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 500;
  transition: all var(--transition);
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.btn:hover {
  background: var(--bg-elevated);
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-icon {
  padding: 0.5rem;
  min-width: 32px;
  justify-content: center;
}

.btn-small {
  padding: 0.25rem 0.5rem;
  font-size: 0.8rem;
}

.btn-danger:hover {
  background: var(--danger);
}

.btn-move {
  padding: 0.125rem 0.375rem;
  min-width: 24px;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.btn-move:hover {
  color: var(--accent);
  background: var(--bg-elevated);
}

.icon {
  font-size: 1.1em;
  line-height: 1;
}

/* Header */
.app-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.app-header h1 {
  font-size: 1.25rem;
  font-weight: 600;
}

.theme-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex: 1;
}

.input-inline {
  background: transparent;
  border: 1px solid transparent;
  font-size: 1.25rem;
  font-weight: 600;
  padding: 0.25rem 0.5rem;
  width: 200px;
}

.input-inline:hover {
  border-color: var(--border-color);
}

.input-inline:focus {
  border-color: var(--accent);
  background: var(--bg-secondary);
}

.prefix-input {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.input-small {
  width: 80px;
  padding: 0.375rem 0.5rem;
  font-family: monospace;
}

.header-actions {
  margin-left: auto;
}

/* Themes Grid */
.themes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.theme-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  cursor: pointer;
  transition: all var(--transition);
}

.theme-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.theme-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.theme-card-name {
  font-weight: 600;
  font-size: 1rem;
}

.theme-card-prefix {
  font-family: monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
}

.theme-card-colors {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
  min-height: 24px;
}

.theme-card-swatch {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.theme-card-actions {
  display: flex;
  gap: 0.25rem;
  justify-content: flex-end;
}

.theme-card-actions .btn {
  opacity: 0;
  transition: opacity var(--transition);
}

.theme-card:hover .theme-card-actions .btn {
  opacity: 1;
}

/* Variation Tabs */
.variation-tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0.5rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  overflow-x: auto;
}

.variation-tab {
  padding: 0.5rem 0.75rem;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  font-size: 0.85rem;
  transition: all var(--transition);
}

.variation-tab:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.variation-tab.active {
  background: var(--accent);
  color: white;
}

/* Color Modules */
.color-modules {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.color-module {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.color-module-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  cursor: pointer;
  user-select: none;
}

/* Move Buttons */
.move-buttons {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.color-module-swatches {
  display: flex;
  gap: 0.375rem;
}

.swatch-wrapper {
  position: relative;
}

.swatch {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.swatch.active {
  border-color: var(--accent);
}

.swatch-label {
  position: absolute;
  bottom: -14px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.6rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.color-module-name {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-primary);
  font-weight: 500;
  padding: 0.25rem 0.5rem;
  flex: 1;
  min-width: 100px;
}

.color-module-name:hover {
  border-color: var(--border-color);
}

.color-module-name:focus {
  border-color: var(--accent);
  background: var(--bg-tertiary);
}

.link-toggle {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  background: var(--bg-tertiary);
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.75rem;
}

.link-toggle.linked {
  color: var(--accent);
}

.expand-toggle {
  margin-left: auto;
  color: var(--text-muted);
  transition: transform var(--transition);
}

.color-module.expanded .expand-toggle {
  transform: rotate(180deg);
}

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

.color-module-body {
  display: none;
  padding: 1rem;
  border-top: 1px solid var(--border-color);
  background: var(--bg-tertiary);
}

.color-module.expanded .color-module-body {
  display: block;
}

/* Color Editor */
.color-editor {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.editor-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.color-picker-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.color-inputs {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

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

.input-group label {
  min-width: 40px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.input-group input[type="number"],
.input-group input[type="text"] {
  width: 80px;
}

.input-group input.hex-input {
  width: 100px;
  font-family: monospace;
}

/* Tabs */
.editor-tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.editor-tab {
  padding: 0.375rem 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  transition: all var(--transition);
}

.editor-tab:hover {
  border-color: var(--border-light);
}

.editor-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.editor-panel {
  display: none;
}

.editor-panel.active {
  display: block;
}

/* Randomizer Section */
.randomizer-section {
  margin-top: 1rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.randomizer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  padding: 0.5rem;
  margin: -0.5rem;
  border-radius: var(--radius-sm);
}

.randomizer-header:hover {
  background: var(--bg-secondary);
}

.randomizer-title {
  font-weight: 500;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.randomizer-body {
  display: none;
  margin-top: 1rem;
}

.randomizer-section.expanded .randomizer-body {
  display: block;
}

.randomizer-tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.randomizer-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 0.75rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  margin-top: 1rem;
  min-height: 60px;
}

.preview-swatch {
  width: 18px;
  height: 18px;
  border-radius: 2px;
  cursor: pointer;
  transition: transform var(--transition);
}

.preview-swatch:hover {
  transform: scale(1.3);
  z-index: 1;
}

.randomize-btn {
  margin-top: 1rem;
  width: 100%;
}

/* Add Color Button */
.btn-add-color {
  width: 100%;
  padding: 1rem;
  margin-top: 0.75rem;
  border: 2px dashed var(--border-color);
  background: transparent;
  color: var(--text-secondary);
}

.btn-add-color:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: transparent;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
  font-size: 1.1rem;
}

.modal-actions {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
}

/* Modal Body Layout */
.modal-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.modal-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-sidebar {
  width: 280px;
  border-left: 1px solid var(--border-color);
  padding: 1rem;
  overflow-y: auto;
  background: var(--bg-tertiary);
}

/* Bricks Export Config */
.bricks-export-config {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.config-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.config-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.config-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 500;
}

.config-row {
  display: flex;
  gap: 0.5rem;
}

.config-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
}

.config-field label {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.config-field input[type="number"] {
  width: 100%;
  padding: 0.375rem 0.5rem;
  text-align: center;
}

.utility-checkboxes {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.utility-checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.5rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition);
}

.utility-checkbox:hover {
  background: var(--bg-elevated);
}

.utility-checkbox input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: var(--accent);
  cursor: pointer;
}

.utility-checkbox span {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.utility-checkbox:has(input:checked) span {
  color: var(--text-primary);
}

.btn-export-bricks {
  margin-top: 0.5rem;
  width: 100%;
  justify-content: center;
}

.btn-export-success {
  background: var(--success) !important;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}