/* ABOUTME: Styles for the CADScope 3D assembly viewer. */

:root {
  /* Backgrounds */
  --bg-primary: #0a0c10;
  --bg-secondary: #0f1318;
  --bg-panel: #1c2128;
  --bg-tertiary: #161b22;

  /* Accent colors */
  --accent: #4a6fa5;
  --accent-hover: #6989b9;
  --accent-light: #7ea3cc;

  /* Text */
  --text-primary: #f0f3f6;
  --text-secondary: #9aa5b1;
  --text-muted: #6b7785;

  /* Borders */
  --border-color: #2d333b;
  --border-light: #444c56;

  /* Status */
  --success: #3fb950;
  --warning: #d29922;
  --error: #ef4444;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.logo h1 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent);
}

.header-links {
  display: flex;
  gap: 1rem;
}

.header-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

.header-links a:hover {
  color: var(--accent);
}

/* Main Content */
.main-content {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Config Panel (Sidebar) */
.config-panel {
  width: 400px;
  min-width: 280px;
  background: var(--bg-panel);
  border-right: 1px solid var(--border-color);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

.config-panel-content {
  flex: 1;
  overflow-y: scroll;
  padding: 1rem;
  -webkit-overflow-scrolling: touch;
}

/* Custom scrollbar */
.config-panel-content::-webkit-scrollbar {
  width: 8px;
}

.config-panel-content::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: 4px;
}

.config-panel-content::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

.config-panel-content::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

.config-panel h2 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.config-section {
  margin-bottom: 1.25rem;
}

.config-section h3 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

/* Dropdown selects */
.config-section select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: inherit;
  cursor: pointer;
  appearance: auto;
}

.config-section select:focus {
  outline: none;
  border-color: var(--accent);
}

/* Tree search input */
.search-wrapper {
  position: relative;
  margin-bottom: 0.5rem;
}

#treeSearch {
  width: 100%;
  padding: 0.5rem 2rem 0.5rem 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: inherit;
  box-sizing: border-box;
}

#treeSearch:focus {
  outline: none;
  border-color: var(--accent);
}

#treeSearch::placeholder {
  color: var(--text-muted);
}

.search-clear {
  display: none;
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 3px;
}

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

.search-wrapper.has-value .search-clear {
  display: block;
}

/* Secondary button (Copy Link, etc.) */
.button-row {
  display: flex;
  gap: 0.5rem;
}

.button-row .btn-secondary {
  width: auto;
  flex: 1;
}

.btn-secondary {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s;
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent);
}

.btn-secondary:active {
  background: var(--bg-panel);
}

/* Slider Label */
.slider-label {
  grid-column: span 3;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  text-align: center;
  margin-top: 2px;
}

/* Range Slider */
input[type="range"] {
  width: 100%;
  height: 6px;
  appearance: none;
  background: var(--border-color);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
  grid-column: span 3;
  margin-bottom: 10px;
}

input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border-radius: 50%;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  background: var(--accent-hover);
}

input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--accent);
  border-radius: 50%;
  border: none;
  cursor: pointer;
}

/* Color Controls */
#colorControls {
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

#colorControls h3 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.color-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.color-row + .color-row {
  margin-top: 0.5rem;
}

.color-row label {
  font-size: 0.875rem;
  color: var(--text-primary);
}

.color-row input[type="color"] {
  width: 100%;
  max-width: 80px;
  height: 32px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-secondary);
  cursor: pointer;
  padding: 2px;
}

.color-row input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 2px;
}

.color-row input[type="color"]::-webkit-color-swatch {
  border: none;
  border-radius: 2px;
}
/* Scene Tree */
#tree {
  overflow-x: auto;
  min-width: min-content;
}

#tree > .tree-item {
  min-width: fit-content;
}

#tree::-webkit-scrollbar {
  height: 6px;
}

#tree::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: 3px;
}

#tree::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

#tree::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

.tree-item {
  padding: 3px 0;
  cursor: pointer;
  user-select: none;
  border-radius: 4px;
}

.tree-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.tree-item-content {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 2px 6px;
}

.tree-toggle {
  width: 16px;
  text-align: center;
  font-size: 11px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.tree-checkbox {
  appearance: none;
  width: 14px;
  height: 14px;
  border: 2px solid var(--border-color);
  border-radius: 3px;
  cursor: pointer;
  position: relative;
  transition: all 0.2s;
  flex-shrink: 0;
}

.tree-checkbox:checked {
  border-color: var(--accent);
  background: var(--accent);
}

.tree-checkbox:checked::after {
  content: '✓';
  position: absolute;
  color: white;
  font-size: 9px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.tree-label {
  font-size: 0.8rem;
  color: var(--text-primary);
  white-space: nowrap;
  user-select: text;
  cursor: text;
}

.tree-children {
  margin-left: 20px;
  display: none;
}

.tree-children.expanded {
  display: block;
}

.tree-item.hidden .tree-label {
  color: var(--text-muted);
  text-decoration: line-through;
}

.tree-item.search-match > .tree-item-content > .tree-label {
  color: var(--accent);
  font-weight: 700;
}

.tree-item.search-hidden {
  display: none;
}

.tree-item.selected > .tree-item-content {
  background: rgba(51, 136, 255, 0.15);
  border-radius: 4px;
}

/* 3D Viewer */
.viewer-container {
  flex: 1;
  position: relative;
  background: var(--bg-primary);
}

#viewer {
  width: 100%;
  height: 100%;
  display: block;
}

/* Viewer Controls */
#viewControls {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 10;
  display: grid;
  grid-template-columns: repeat(3, 60px);
  gap: 5px;
  background: var(--bg-panel);
  padding: 0.25rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.viewer-btn {
  height: 45px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 4px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
}

.viewer-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

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

.viewer-btn-separator {
  width: 100%;
  height: 1px;
  background: var(--border-color);
  margin: 2px 0;
  grid-column: span 3;
}

/* Loading Indicator */
.loading-indicator {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(26, 26, 46, 0.9);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  z-index: 100;
  transition: opacity 0.3s;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.loading-indicator.hidden {
  opacity: 0;
  pointer-events: none;
}

.spinner-small {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Attribution */
.attribution {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  background: rgba(10, 12, 16, 0.8);
  padding: 0.4rem 0.6rem;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

.attribution a {
  color: var(--accent);
  text-decoration: none;
}

.attribution a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  .main-content {
    flex-direction: column;
  }

  .config-panel {
    width: 100%;
    max-height: 45vh;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .viewer-container {
    min-height: 55vh;
  }
}