/* Chitmunk — Board Game Card Designer */
:root {
  /* Warm walnut palette — cozy, approachable, game-themed */
  --bg-primary: #12110F;
  --bg-secondary: #1C1A16;
  --bg-panel: #181613;
  --bg-input: #0D0C0A;
  --bg-elevated: #242018;
  --border: #3A3428;
  --border-subtle: #282318;
  --text: #E8E4DE;
  --text-secondary: #B8B2A8;
  --text-muted: #7A7468;
  --accent: #E8913A;
  --accent-hover: #EDA355;
  --accent-glow: rgba(232, 145, 58, 0.15);
  --accent-dim: rgba(232, 145, 58, 0.08);
  --accent-bg: rgba(232, 145, 58, 0.12);
  --bg-tertiary: #2A2620;
  --danger: #f0465a;
  --danger-dim: rgba(240, 70, 90, 0.12);
  --success: #34d68a;
  --warning: #f5a623;
  --radius: 8px;
  --radius-sm: 5px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.55);
  --transition: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text);
  overflow: hidden;
  height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Layout Grid */
.app {
  display: grid;
  grid-template-rows: 48px auto 1fr auto;
  grid-template-columns: var(--left-panel-width, 280px) 1fr var(--right-panel-width, 310px);
  /* Compensate zoom so the app always fills exactly the viewport */
  zoom: var(--ui-zoom, 1);
  width: calc(100vw / var(--ui-zoom, 1));
  height: calc(100vh / var(--ui-zoom, 1));
  overflow: hidden;
}

/* Project card type tabs */
.project-tabs {
  grid-column: 1 / -1;
  grid-row: 2;
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0 8px;
  gap: 2px;
  overflow-x: auto;
  min-height: 32px;
}
.project-tabs::-webkit-scrollbar { height: 3px; }
.project-tabs::-webkit-scrollbar-track { background: transparent; }
.project-tabs::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.project-tab {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 14px;
  font-size: 12px;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: all var(--transition);
}
.project-tab:hover {
  color: var(--text-secondary);
  background: var(--bg-elevated);
}
.project-tab.active {
  color: var(--text);
  background: var(--bg-panel);
  border-color: var(--border);
}
.project-tab-name {
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.project-tab-type {
  font-size: 10px;
  color: var(--text-muted);
  opacity: 0.7;
}
.project-tab-close {
  font-size: 13px;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0 2px;
  border-radius: 3px;
  opacity: 0;
  transition: all var(--transition);
}
.project-tab:hover .project-tab-close { opacity: 0.6; }
.project-tab-close:hover { opacity: 1 !important; color: var(--danger); background: var(--danger-dim); }
.project-tab-dup {
  font-size: 12px;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0 2px;
  border-radius: 3px;
  opacity: 0;
  transition: all var(--transition);
}
.project-tab:hover .project-tab-dup { opacity: 0.6; }
.project-tab-dup:hover { opacity: 1 !important; color: var(--accent); background: var(--accent-dim); }
.project-tab-add {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  font-size: 16px;
  color: var(--text-muted);
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition);
}
.project-tab-add:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}

/* Resizable right panel */
.right-panel-wrapper {
  position: relative;
  display: flex;
  grid-column: 3;
  grid-row: 3 / 5;
  min-height: 0;
  overflow: hidden;
}
.right-panel-resize-handle {
  width: 6px;
  cursor: col-resize;
  background: transparent;
  position: absolute;
  left: -3px;
  top: 0;
  bottom: 0;
  z-index: 15;
  transition: background var(--transition);
}
.right-panel-resize-handle:hover,
.right-panel-resize-handle.active {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

/* ============================================================
   Toolbar
   ============================================================ */
.toolbar {
  grid-column: 1 / -1;
  background: linear-gradient(180deg, #242018 0%, var(--bg-secondary) 100%);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0;
  gap: 0;
  min-width: 0;
  z-index: 10;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* Scrollable left section */
.toolbar-scroll {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 8px 0 0;
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
}
.toolbar-scroll::-webkit-scrollbar { height: 0; }

/* Pinned right section — never hidden */
.toolbar-pinned {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 8px;
  flex-shrink: 0;
  border-left: 1px solid var(--border);
}
.toolbar-pinned .btn {
  padding: 4px 6px;
  font-size: 11px;
}
.toolbar-pinned .btn-accent {
  padding: 4px 12px;
  font-size: 12px;
}
/* Compact view toggle cluster */
.toolbar-view-toggles {
  display: flex;
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.toolbar-view-toggles .btn {
  border-radius: 0;
  border: none;
  min-width: 26px;
  padding: 4px 5px;
  font-size: 11px;
  font-weight: 600;
}

.toolbar-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  user-select: none;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius);
  transition: background var(--transition);
}
.toolbar-brand:hover {
  background: var(--bg-tertiary);
}
.toolbar-brand-menu {
  position: relative;
  flex-shrink: 0;
  padding: 0 4px 0 12px;
  z-index: 20;
}
.brand-caret {
  font-size: 10px;
  color: var(--text-muted);
  margin-left: 2px;
}
.brand-icon {
  font-size: 20px;
  color: var(--accent);
  filter: drop-shadow(0 0 4px rgba(232, 145, 58, 0.4));
  line-height: 1;
}
.brand-name {
  font-family: 'Nunito', 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent) 0%, #F0B060 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 3px;
}

.toolbar-divider {
  width: 1px;
  height: 24px;
  background: var(--border);
  margin: 0 8px;
  opacity: 0.6;
}

.toolbar select, .toolbar input[type="file"] {
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition);
}
.toolbar select:focus { border-color: var(--accent); }

/* Toolbar dropdown menu */
.toolbar-menu-wrapper {
  position: relative;
}
.toolbar-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 0;
  min-width: 190px;
  box-shadow: var(--shadow-lg);
  z-index: 90;
  animation: modalSlideIn 0.15s ease-out;
}
.toolbar-dropdown.hidden { display: none; }
.toolbar-dropdown-item {
  display: block;
  width: 100%;
  padding: 8px 16px;
  font-size: 13px;
  font-family: inherit;
  color: var(--text-secondary);
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition);
}
.toolbar-dropdown-item:hover {
  background: var(--accent-dim);
  color: var(--text);
}
.toolbar-dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

/* Dropdowns inside toolbar-scroll use fixed positioning (set by JS) */
.toolbar-scroll .toolbar-dropdown {
  right: auto;
  left: 0;
  z-index: 100;
}

/* ============================================================
   Buttons — refined with subtle depth
   ============================================================ */
.btn {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  font-size: 13px;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  letter-spacing: 0.01em;
}
.btn:hover {
  background: var(--border);
  color: var(--text);
  border-color: #3a3e4e;
}
.btn:active { transform: scale(0.97); }

.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, #F0B060 100%);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
  box-shadow: 0 2px 10px rgba(232, 145, 58, 0.35);
}
.btn-accent:hover {
  background: linear-gradient(135deg, var(--accent-hover) 0%, #F5C47A 100%);
  box-shadow: 0 4px 16px rgba(232, 145, 58, 0.5);
  color: #fff;
}

.btn-danger {
  border-color: var(--danger);
  color: var(--danger);
  background: var(--danger-dim);
}
.btn-danger:hover {
  background: var(--danger);
  color: white;
}

.btn-sm {
  padding: 5px 11px;
  font-size: 12px;
  border-radius: var(--radius-sm);
}

.btn-icon {
  width: 34px;
  height: 34px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}

.btn.active {
  background: var(--accent);
  border-color: transparent;
  color: white;
  box-shadow: 0 0 0 1px rgba(124,106,255,0.3);
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-muted);
}
.btn-ghost:hover {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: transparent;
}

/* Toggle button groups (bold, italic, align) */
.prop-row-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.btn-toggle-group {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}
.btn-toggle {
  background: var(--bg-input);
  border: none;
  border-right: 1px solid var(--border);
  color: var(--text-muted);
  padding: 4px 7px;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  min-width: 28px;
  height: 28px;
}
.btn-toggle:last-child { border-right: none; }
.btn-toggle:hover {
  background: var(--bg-elevated);
  color: var(--text);
}
.btn-toggle.active {
  background: var(--accent);
  color: #fff;
}
.btn-toggle svg { display: block; }

/* .toolbar-spacer removed — replaced by toolbar-scroll/toolbar-pinned layout */

/* UI Scale select */
.ui-scale-select {
  background: var(--bg-input);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px 6px;
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
  outline: none;
}
.ui-scale-select:focus { border-color: var(--accent); }

/* ============================================================
   Left Panel — CSV & Card Browser
   ============================================================ */
.left-panel {
  grid-column: 1;
  grid-row: 3 / 5;
  background: var(--bg-panel);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
  position: relative;
}
.left-panel-resize-handle {
  width: 6px;
  cursor: col-resize;
  background: transparent;
  position: absolute;
  right: -3px;
  top: 0;
  bottom: 0;
  z-index: 15;
  transition: background var(--transition);
}
.left-panel-resize-handle:hover,
.left-panel-resize-handle.active {
  background: var(--accent);
}

.panel-header {
  padding: 12px 16px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg-panel) 100%);
  position: relative;
}
.panel-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 14px;
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  opacity: 0.6;
}

.panel-content {
  flex: 1;
  overflow: auto;
  padding: 12px;
  min-height: 0;
}

/* Custom scrollbars */
.panel-content::-webkit-scrollbar,
.layers-list::-webkit-scrollbar,
.font-picker-list::-webkit-scrollbar { width: 5px; }
.panel-content::-webkit-scrollbar-track,
.layers-list::-webkit-scrollbar-track,
.font-picker-list::-webkit-scrollbar-track { background: transparent; }
.panel-content::-webkit-scrollbar-thumb,
.layers-list::-webkit-scrollbar-thumb,
.font-picker-list::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 6px;
}
.panel-content::-webkit-scrollbar-thumb:hover,
.layers-list::-webkit-scrollbar-thumb:hover,
.font-picker-list::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* CSV Panel */
.csv-drop-zone {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 6px 8px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: 6px;
  background: var(--bg-input);
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
}
.csv-drop-zone:hover, .csv-drop-zone.dragover {
  border-color: var(--accent);
  background: var(--accent-dim);
}
.drop-zone-icon {
  font-size: 14px;
  color: var(--text-muted);
  opacity: 0.5;
  transition: all var(--transition);
}
.csv-drop-zone:hover .drop-zone-icon {
  color: var(--accent);
  opacity: 1;
}
.csv-drop-zone p {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.2;
  margin: 0;
}

.csv-columns {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 14px;
}
.csv-column-chip {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 500;
  cursor: grab;
  user-select: none;
  transition: all var(--transition);
  color: var(--text-secondary);
}
.csv-column-chip:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
  box-shadow: 0 2px 8px rgba(124,106,255,0.3);
}
.csv-column-chip:active {
  cursor: grabbing;
  transform: scale(0.95);
}

.card-browser {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px;
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
  background: var(--bg-panel);
}
.card-browser span {
  font-size: 13px;
  white-space: nowrap;
  color: var(--text-secondary);
  font-weight: 500;
}

.csv-row-preview {
  font-size: 13px;
  line-height: 1.7;
}
.csv-row-preview .row-field {
  display: flex;
  gap: 6px;
  padding: 3px 0;
  border-bottom: 1px solid var(--border-subtle);
}
.csv-row-preview .field-name {
  color: var(--accent);
  font-weight: 600;
  min-width: 80px;
  flex-shrink: 0;
  font-size: 12px;
}
.csv-row-preview .field-value {
  color: var(--text-secondary);
  word-break: break-word;
}

/* ============================================================
   Canvas Area — subtle grid background
   ============================================================ */
.canvas-area {
  grid-column: 2;
  grid-row: 3;
  background-color: #0c0e14;
  background-image:
    radial-gradient(circle, #1a1d2a 1px, transparent 1px);
  background-size: 24px 24px;
  position: relative;
  overflow: hidden;
}
.canvas-area canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* ============================================================
   Card Preview Carousel
   ============================================================ */
.card-carousel {
  grid-column: 2;
  grid-row: 4;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  overflow: hidden;
  min-height: 0;
}
.card-carousel-strip {
  display: flex;
  gap: 4px;
  padding: 6px 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.carousel-card {
  flex: 0 0 auto;
  padding: 5px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  gap: 6px;
  align-items: center;
  font-size: 12px;
  white-space: nowrap;
  transition: border-color 0.15s;
}
.carousel-card:hover {
  border-color: var(--accent);
}
.carousel-card.active {
  border-color: var(--accent);
  background: var(--accent-bg);
}
.carousel-index {
  font-weight: 600;
  color: var(--text-muted);
  min-width: 16px;
  text-align: center;
}
.carousel-label {
  color: var(--text);
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ============================================================
   Right Panel — Properties & Layers
   ============================================================ */
.right-panel {
  background: var(--bg-panel);
  border-left: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

.properties-section {
  padding: 12px 16px;
}

.prop-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.prop-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  min-width: 54px;
  flex-shrink: 0;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.prop-row input[type="text"],
.prop-row input[type="number"],
.prop-row select,
.prop-row textarea {
  flex: 1;
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 8px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  min-width: 0;
  transition: border-color var(--transition);
}
.prop-row input:focus, .prop-row select:focus, .prop-row textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}
.prop-row input[type="color"] {
  width: 34px;
  height: 30px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 2px;
  cursor: pointer;
  background: var(--bg-input);
}
.prop-row input[type="number"] { width: 64px; flex: none; }

.prop-row-double {
  display: grid;
  grid-template-columns: 20px 1fr 20px 1fr;
  gap: 6px;
  align-items: center;
  margin-bottom: 8px;
  font-size: 13px;
  padding-left: 54px;
}
.prop-row-double label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-align: right;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

/* ============================================================
   Layers Panel
   ============================================================ */
.layers-resize-handle {
  height: 6px;
  cursor: row-resize;
  background: transparent;
  flex-shrink: 0;
  transition: background var(--transition);
  border-top: 1px solid var(--border-subtle);
}
.layers-resize-handle:hover,
.layers-resize-handle.active {
  background: var(--accent);
}
.layers-section {
  border-top: none;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
  transition: flex var(--transition), min-height var(--transition);
}
.layers-section.collapsed {
  flex: 0 0 auto;
  min-height: 0;
}
.layers-section.collapsed .layers-list {
  display: none;
}
.layers-header {
  cursor: pointer;
  user-select: none;
}
.layers-header-left {
  display: flex;
  align-items: center;
  gap: 6px;
}
.layers-collapse-icon {
  font-size: 9px;
  color: var(--text-muted);
  transition: transform var(--transition);
  display: inline-block;
}
.layers-section.collapsed .layers-collapse-icon {
  transform: rotate(-90deg);
}
.layers-list {
  flex: 1;
  overflow: auto;
  min-height: 0;
}
.layer-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  cursor: pointer;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 13px;
  transition: background var(--transition);
}
.layer-item:hover { background: var(--accent-dim); }
.layer-item.selected {
  background: var(--accent-glow);
  border-left: 2px solid var(--accent);
}
.layer-item .layer-icon {
  font-size: 11px;
  font-weight: 700;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-muted);
  flex-shrink: 0;
}
.layer-item .layer-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
  color: var(--text-secondary);
}
.layer-item.selected .layer-name { color: var(--text); }
.layer-item .layer-actions {
  display: flex;
  gap: 2px;
  opacity: 0.5;
  transition: opacity var(--transition);
}
.layer-item:hover .layer-actions { opacity: 1; }
.layer-item .layer-actions button {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 5px;
  font-size: 13px;
  border-radius: 4px;
  transition: all var(--transition);
}
.layer-item .layer-actions button:hover {
  color: var(--text);
  background: var(--bg-elevated);
}
.layer-item .layer-actions button.active-toggle { color: var(--accent); }
.layer-item .layer-actions button.layer-vis-hidden {
  opacity: 0.35;
  position: relative;
}
.layer-item .layer-actions button.layer-vis-hidden::after {
  content: '';
  position: absolute;
  left: 15%;
  right: 15%;
  top: 50%;
  height: 2px;
  background: var(--text);
  transform: rotate(-45deg);
  pointer-events: none;
}
.layer-item.layer-item-child {
  padding-left: 32px;
  opacity: 0.65;
  font-size: 12px;
  cursor: default;
}
.layer-item.layer-item-child:hover {
  background: transparent;
}

/* ============================================================
   Modal — Frosted glass effect
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  animation: modalFadeIn 0.2s ease-out;
}
.modal-overlay.hidden { display: none; }

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes modalSlideIn {
  from { opacity: 0; transform: translateY(12px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  width: 420px;
  max-width: 90vw;
  box-shadow: var(--shadow-lg);
  animation: modalSlideIn 0.25s ease-out;
}
.modal h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text);
  letter-spacing: -0.01em;
}
.modal .form-group {
  margin-bottom: 14px;
}
.modal .form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.modal .form-group select,
.modal .form-group input {
  width: 100%;
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition);
}
.modal .form-group select:focus,
.modal .form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-input);
  border-radius: 6px;
  overflow: hidden;
  margin: 14px 0;
}
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #F0B060, #F5D080);
  background-size: 200% 100%;
  animation: progressShimmer 2s ease-in-out infinite;
  transition: width 0.3s ease;
  border-radius: 6px;
}
@keyframes progressShimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.progress-text {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* ============================================================
   Tooltips — refined
   ============================================================ */
[data-tooltip] { position: relative; }
[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 12px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  z-index: 50;
  pointer-events: none;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  animation: tooltipFadeIn 0.15s ease-out;
}
@keyframes tooltipFadeIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-2px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* No selection text */
.no-selection {
  text-align: center;
  padding: 28px 16px;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.6;
}

/* ============================================================
   Font Picker
   ============================================================ */
.font-picker {
  position: relative;
  flex: 1;
  min-width: 0;
}
.font-picker-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 10px;
  font-size: 13px;
  cursor: pointer;
  text-align: left;
  gap: 5px;
  min-height: 32px;
  transition: border-color var(--transition);
  font-family: inherit;
}
.font-picker-trigger:hover { border-color: var(--accent); }
.font-picker-preview {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}
.font-picker-arrow {
  font-size: 9px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.font-picker-dropdown {
  position: fixed;
  width: 380px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  z-index: 95;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.font-picker-dropdown.hidden { display: none; }

.font-picker-search-row {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-panel);
}
.font-picker-search {
  flex: 1;
  background: transparent;
  color: var(--text);
  border: none;
  padding: 10px 12px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
}
.font-picker-search::placeholder { color: var(--text-muted); }
.font-picker-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 6px 12px;
  line-height: 1;
  border-radius: 4px;
  transition: all var(--transition);
}
.font-picker-close:hover {
  color: var(--text);
  background: var(--bg-elevated);
}

.font-picker-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-subtle);
  overflow-x: auto;
  flex-shrink: 0;
  background: var(--bg-panel);
}
.font-picker-tabs::-webkit-scrollbar { height: 0; }
.font-picker-tab {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  font-family: inherit;
  padding: 7px 10px;
  cursor: pointer;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
}
.font-picker-tab:hover { color: var(--text-secondary); }
.font-picker-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.font-picker-list {
  max-height: 450px;
  overflow-y: auto;
  overflow-x: hidden;
}

.font-picker-category-header {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  padding: 10px 12px 4px;
  background: var(--bg-panel);
  position: sticky;
  top: 0;
  z-index: 1;
}

.font-picker-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  cursor: pointer;
  transition: background var(--transition);
  gap: 8px;
  min-height: 40px;
}
.font-picker-item:hover { background: var(--accent-dim); }
.font-picker-item.selected { background: var(--accent-glow); }

.font-picker-item-preview {
  font-size: 18px;
  color: var(--text);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.4;
}
.font-picker-item-cat {
  font-size: 9px;
  color: var(--text-muted);
  text-transform: uppercase;
  flex-shrink: 0;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.font-picker-empty {
  padding: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
}

/* ============================================================
   Autosave indicator
   ============================================================ */
.autosave-indicator {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
  letter-spacing: 0.3px;
}
.autosave-indicator.saving { color: var(--warning); }
.autosave-indicator.saved { color: var(--success); }

/* ============================================================
   Save slot items
   ============================================================ */
.save-slot-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-subtle);
  gap: 10px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.save-slot-item:hover { background: var(--accent-dim); }
.save-slot-info { flex: 1; min-width: 0; }
.save-slot-name {
  display: block;
  font-size: 13px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
}
.save-slot-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}
.save-slot-actions {
  display: flex;
  gap: 5px;
  flex-shrink: 0;
}

/* ============================================================
   Context Menu
   ============================================================ */
.context-menu {
  position: fixed;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  z-index: 300;
  min-width: 190px;
  padding: 5px 0;
  font-size: 13px;
  animation: modalSlideIn 0.12s ease-out;
}
.context-menu-item {
  padding: 7px 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  transition: all var(--transition);
  border-radius: 0;
  margin: 0 4px;
  border-radius: var(--radius-sm);
}
.context-menu-item:hover {
  background: var(--accent-glow);
  color: var(--text);
}
.context-menu-item.danger { color: var(--danger); }
.context-menu-item.danger:hover { background: var(--danger-dim); }
.context-menu-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 4px 8px;
}
.context-menu-shortcut {
  margin-left: auto;
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ============================================================
   Toolbar Checkbox (Shared Back toggle)
   ============================================================ */
.toolbar-checkbox {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  padding: 3px 7px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  user-select: none;
}
.toolbar-checkbox:hover { color: var(--text-secondary); }
.toolbar-checkbox input[type="checkbox"] {
  width: 14px; height: 14px;
  cursor: pointer;
  accent-color: var(--accent);
}

/* ============================================================
   Inline CSV Editing
   ============================================================ */
.csv-edit-toggle {
  display: flex;
  justify-content: center;
  padding: 6px 0;
}
.csv-edit-field {
  display: flex;
  gap: 5px;
  padding: 3px 0;
  border-bottom: 1px solid var(--border-subtle);
  align-items: center;
}
.csv-edit-field .field-name {
  color: var(--accent);
  font-weight: 600;
  min-width: 68px;
  flex-shrink: 0;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.csv-edit-field input {
  flex: 1;
  min-width: 0;
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px 7px;
  font-size: 12px;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition);
}
.csv-edit-field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

/* ============================================================
   Icon Library
   ============================================================ */
.icon-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.icon-item:hover { background: var(--accent-dim); }
.icon-item img {
  width: 30px;
  height: 30px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 2px;
}
.icon-item .icon-name {
  flex: 1;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.icon-item .icon-usage {
  font-size: 10px;
  color: var(--text-muted);
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
  background: var(--bg-input);
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid var(--border-subtle);
}
.icon-item .icon-delete {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  padding: 4px 6px;
  border-radius: 4px;
  transition: all var(--transition);
}
.icon-item .icon-delete:hover {
  color: var(--danger);
  background: var(--danger-dim);
}

/* ============================================================
   Keyboard shortcut table
   ============================================================ */
/* ============================================================
   Text Effects Panel
   ============================================================ */
.fx-section {
  border-top: 1px solid var(--border-subtle);
  margin-top: 10px;
  padding-top: 8px;
}
.fx-section-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.fx-section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-subtle);
}

.fx-toggle {
  margin-bottom: 6px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.fx-toggle-header {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: background var(--transition);
  user-select: none;
}
.fx-toggle-header:hover {
  background: var(--accent-dim);
}
.fx-toggle-header input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}
.fx-controls {
  padding: 6px 10px 8px;
  border-top: 1px solid var(--border-subtle);
  background: rgba(0,0,0,0.15);
}
.fx-controls.fx-hidden {
  display: none;
}
.fx-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}
.fx-row:last-child { margin-bottom: 0; }
.fx-row label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  flex-shrink: 0;
}
.fx-row input[type="number"] {
  width: 48px;
  background: var(--bg-primary);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 5px;
  font-size: 11px;
  font-family: inherit;
  outline: none;
}
.fx-row input[type="number"]:focus {
  border-color: var(--accent);
}
.fx-row input[type="color"] {
  width: 28px;
  height: 24px;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px;
  cursor: pointer;
  background: var(--bg-primary);
  flex-shrink: 0;
}
.fx-row select {
  flex: 1;
  background: var(--bg-primary);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 6px;
  font-size: 11px;
  font-family: inherit;
  outline: none;
}

/* Style Presets (full effect combos) */
.fx-style-presets {
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
}
.fx-style-presets-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.fx-style-presets-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
}
.fx-style-preset {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px 6px;
  font-size: 10px;
  cursor: pointer;
  font-family: inherit;
  color: var(--text-muted);
  transition: all var(--transition);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 5px;
  text-align: left;
}
.fx-style-preset:hover {
  background: var(--bg-elevated);
  border-color: var(--text-muted);
  color: var(--text);
}
.fx-sp-preview {
  font-weight: 700;
  font-size: 13px;
  line-height: 1;
  width: 22px;
  text-align: center;
  flex-shrink: 0;
  font-family: Georgia, 'Times New Roman', serif;
  pointer-events: none;
}
.fx-sp-reset {
  grid-column: 1 / -1;
  justify-content: center;
  color: var(--text-muted);
  opacity: 0.7;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 3px 6px;
}
.fx-sp-reset:hover {
  opacity: 1;
  color: var(--danger);
  border-color: var(--danger);
  background: var(--danger-dim);
}

.fx-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}
.fx-preset {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 2px 9px;
  font-size: 10px;
  font-weight: 600;
  font-family: inherit;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
}
.fx-preset:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

/* ============================================================
   AI Image Generator
   ============================================================ */
.ai-section {
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
}
.ai-section-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.ai-row {
  margin-bottom: 8px;
}
.ai-row label {
  display: block;
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 3px;
}
.ai-row input[type="text"],
.ai-row input[type="password"],
.ai-row input[type="number"],
.ai-row select,
.ai-row textarea {
  width: 100%;
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  font-size: 12px;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition);
}
.ai-row input:focus, .ai-row select:focus, .ai-row textarea:focus {
  border-color: var(--accent);
}
.ai-hint {
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 400;
}
.ai-actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}
.ai-run-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.ai-run-header span:first-child {
  font-weight: 600;
  font-size: 14px;
}
.ai-counter {
  font-size: 12px;
  color: var(--text-muted);
  background: var(--bg-input);
  padding: 2px 10px;
  border-radius: 100px;
  border: 1px solid var(--border);
}
.ai-resolved-prompt {
  font-size: 11px;
  color: var(--text-secondary);
  background: var(--bg-input);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  margin-bottom: 10px;
  max-height: 60px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
.ai-csv-details {
  margin-bottom: 10px;
  font-size: 12px;
}
.ai-csv-details summary {
  cursor: pointer;
  color: var(--text-muted);
  font-size: 11px;
  padding: 4px 0;
  user-select: none;
}
.ai-csv-details summary:hover { color: var(--text-secondary); }
.ai-csv-fields {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  max-height: 160px;
  overflow-y: auto;
  margin-top: 4px;
}
.ai-csv-field {
  display: flex;
  gap: 8px;
  padding: 2px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 11px;
  line-height: 1.4;
}
.ai-csv-field:last-child { border-bottom: none; }
.ai-csv-col {
  color: var(--accent);
  font-weight: 600;
  min-width: 80px;
  flex-shrink: 0;
}
.ai-csv-val {
  color: var(--text-secondary);
  word-break: break-word;
}
.ai-csv-val em { color: var(--text-muted); font-style: italic; }

/* Recent feed strip */
.ai-feed {
  margin: 8px 0;
}
.ai-feed-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.ai-feed-strip {
  display: flex;
  gap: 6px;
}
.ai-feed-item {
  position: relative;
  width: 100px;
  flex-shrink: 0;
}
.ai-feed-item img {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.ai-feed-item-label {
  display: block;
  font-size: 9px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Gallery grid */
.ai-gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  max-height: 420px;
  overflow-y: auto;
  padding: 4px;
}
.ai-gallery-item {
  cursor: pointer;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  transition: border-color 0.15s;
  overflow: hidden;
}
.ai-gallery-item:hover {
  border-color: var(--border);
}
.ai-gallery-selected {
  border-color: var(--accent) !important;
}
.ai-gallery-thumb {
  position: relative;
  aspect-ratio: 1;
  background: var(--bg-input);
  overflow: hidden;
}
.ai-gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ai-gallery-no-img {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: var(--text-muted);
  font-size: 24px;
}
.ai-gallery-check {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.5);
  background: rgba(0,0,0,0.3);
  display: none;
}
.ai-gallery-selected .ai-gallery-check {
  display: block;
  background: var(--accent);
  border-color: var(--accent);
}
.ai-gallery-selected .ai-gallery-check::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 5px;
  width: 4px;
  height: 8px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.ai-gallery-label {
  font-size: 10px;
  color: var(--text-secondary);
  text-align: center;
  padding: 3px 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ai-gallery-empty { opacity: 0.5; }

.ai-preview-area {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  padding: 12px;
}
.ai-preview-placeholder {
  color: var(--text-muted);
  font-size: 12px;
}
.ai-status {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 8px;
  min-height: 16px;
}
.ai-approval-btns {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
#aiEditPromptArea textarea {
  width: 100%;
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  font-size: 12px;
  font-family: inherit;
  outline: none;
}
#aiEditPromptArea textarea:focus {
  border-color: var(--accent);
}
.ai-row-grid {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 8px;
  margin-bottom: 8px;
}
.ai-row-grid label {
  display: block;
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 3px;
}
.ai-row-grid input,
.ai-row-grid select {
  width: 100%;
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  font-size: 12px;
  font-family: inherit;
  outline: none;
}
.ai-row-grid input:focus { border-color: var(--accent); }
.ai-conn-status {
  font-size: 11px;
  margin-top: 4px;
  min-height: 16px;
  color: var(--text-muted);
}
.ai-conn-ok { color: var(--success); }
.ai-conn-err { color: var(--danger); }

kbd {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 11px;
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
  color: var(--text-secondary);
  box-shadow: 0 1px 0 var(--border);
}

.validation-issue {
  font-size: 12px;
  padding: 3px 0;
  display: flex;
  align-items: start;
  gap: 6px;
}

/* Template Library */
.template-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  max-height: 55vh;
  overflow-y: auto;
  padding: 4px;
}
.template-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.template-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.template-card-preview {
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  height: 120px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.template-card-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}
.template-card-desc {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.3;
}

/* Card Preview Grid */
.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  padding: 4px;
}
.preview-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.preview-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.preview-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent);
}
.preview-card canvas {
  width: 100%;
  border-radius: var(--radius-sm);
  display: block;
}
.preview-card-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 6px;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Color Swatches */
.color-swatches-section {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.swatches-header {
  cursor: pointer;
  user-select: none;
  font-size: 12px;
}
.swatches-header-left {
  display: flex;
  align-items: center;
  gap: 6px;
}
.swatches-collapse-icon {
  font-size: 9px;
  color: var(--text-muted);
  transition: transform var(--transition);
  display: inline-block;
}
.color-swatches-section.collapsed .swatches-collapse-icon {
  transform: rotate(-90deg);
}
.color-swatches-section.collapsed .swatches-body {
  display: none;
}
.color-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  padding: 4px 8px;
  max-height: 80px;
  overflow-y: auto;
}
.color-swatch {
  width: 22px;
  height: 22px;
  border-radius: 3px;
  border: 1px solid var(--border);
  cursor: pointer;
  position: relative;
  transition: transform 0.1s;
}
.color-swatch:hover {
  transform: scale(1.2);
  z-index: 1;
}
.color-swatch.active {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

/* AI Minimized Thumbnail */
.ai-min-thumb {
  position: fixed;
  bottom: 16px;
  left: 16px;
  width: 80px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  z-index: 500;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.ai-min-thumb:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}
.ai-min-thumb.hidden { display: none; }
.ai-min-preview {
  width: 80px;
  height: 80px;
  background: var(--bg-secondary) center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ai-min-preview .ai-min-spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: ai-min-spin 0.8s linear infinite;
}
@keyframes ai-min-spin {
  to { transform: rotate(360deg); }
}
.ai-min-info {
  padding: 4px 6px;
}
.ai-min-progress-bar {
  height: 3px;
  background: var(--bg-secondary);
  border-radius: 2px;
  margin-bottom: 3px;
}
.ai-min-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.3s;
}
.ai-min-status {
  font-size: 10px;
  color: var(--text-muted);
  display: block;
  text-align: center;
}
.ai-min-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--success);
  color: #fff;
  font-size: 9px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 8px;
  white-space: nowrap;
}
.ai-min-badge.hidden { display: none; }

/* ============================================================
   Responsive Breakpoints
   ============================================================ */

/* Medium screens — narrower panels */
@media (max-width: 1200px) {
  :root {
    --left-panel-width: 220px;
    --right-panel-width: 260px;
  }
}

/* Small screens — stack panels below canvas */
@media (max-width: 900px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-rows: 48px auto 1fr auto auto auto;
  }

  .left-panel {
    grid-column: 1;
    grid-row: auto;
    max-height: 250px;
    overflow-y: auto;
    border-right: none;
    border-top: 1px solid var(--border);
  }

  .right-panel-wrapper {
    grid-column: 1;
    grid-row: auto;
    max-height: 250px;
    overflow-y: auto;
    border-top: 1px solid var(--border);
  }

  .canvas-area {
    grid-column: 1;
    min-height: 300px;
  }

  .right-panel-resize-handle,
  .left-panel-resize-handle {
    display: none;
  }
}

/* Very small screens — toolbar wraps, smaller panel text */
@media (max-width: 600px) {
  .toolbar {
    flex-wrap: wrap;
    height: auto;
    min-height: 48px;
  }

  .left-panel,
  .right-panel-wrapper {
    font-size: 12px;
  }

  .panel-header {
    font-size: 11px;
    padding: 6px 10px;
  }
}

/* Component Selector */
.component-selector-wrapper { position: relative; }
.component-selector-trigger {
  min-width: 180px;
  max-width: 320px;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-right: 20px;
}
.component-selector-trigger::after {
  content: '\25BE';
  position: absolute;
  right: 8px;
}
/* Category menu (first level) — fixed position to escape overflow:hidden ancestors */
.component-selector-menu {
  position: fixed;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  min-width: 200px;
}
.component-selector-menu.hidden { display: none; }
.component-category-list {
  max-height: 460px;
  overflow-y: auto;
  padding: 4px 0;
}
.component-cat-item {
  padding: 7px 12px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  white-space: nowrap;
}
.component-cat-item:hover,
.component-cat-item.active { background: var(--accent-dim); color: var(--text); }
.component-cat-item.has-selected { color: var(--accent); }
.component-cat-item.has-selected:hover,
.component-cat-item.has-selected.active { color: var(--text); }
.component-cat-arrow {
  font-size: 10px;
  color: var(--text-muted);
  margin-left: 12px;
}
/* Type submenu (second level, flies out right) */
.component-type-submenu {
  position: absolute;
  left: 100%;
  top: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 1001;
  min-width: 260px;
  max-height: 460px;
  overflow-y: auto;
  padding: 4px 0;
}
.component-type-submenu.hidden { display: none; }
.component-type-item {
  padding: 7px 12px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  white-space: nowrap;
}
.component-type-item:hover { background: var(--accent-dim); color: var(--text); }
.component-type-item.selected { background: var(--accent-dim); color: var(--accent); font-weight: 500; }
.component-type-dims {
  font-size: 11px;
  color: var(--text-muted);
  margin-left: 12px;
  white-space: nowrap;
}

/* ============================================================
   DATA MODE — CSV Split View
   ============================================================ */
.dm-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
}
.dm-overlay.hidden { display: none; }

/* Header bar */
.dm-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 48px;
  padding: 0 16px;
  background: linear-gradient(180deg, #242018 0%, var(--bg-secondary) 100%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  flex-shrink: 0;
}
.dm-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.dm-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 2px 8px;
  border-radius: 10px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.dm-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Body — split view */
.dm-body {
  flex: 1;
  display: flex;
  min-height: 0;
  --split: 60%;
}

/* Spreadsheet panel */
.dm-spreadsheet {
  width: var(--split);
  overflow: auto;
  background: var(--bg-primary);
  border-right: 1px solid var(--border);
  min-width: 200px;
}

/* Splitter handle */
.dm-splitter {
  width: 6px;
  cursor: col-resize;
  background: var(--border-subtle);
  flex-shrink: 0;
  transition: background var(--transition);
}
.dm-splitter:hover, .dm-splitter.active {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

/* Preview panel */
.dm-preview {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  min-width: 200px;
  overflow: hidden;
  padding: 20px;
}
.dm-preview canvas {
  box-shadow: var(--shadow-lg);
  border-radius: 4px;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* Empty state */
.dm-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  font-size: 14px;
  padding: 40px;
  text-align: center;
}

/* Spreadsheet table */
.dm-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  table-layout: auto;
}
.dm-table thead {
  position: sticky;
  top: 0;
  z-index: 2;
}
.dm-table th {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 12px;
  padding: 8px 12px;
  text-align: left;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
  user-select: none;
}
.dm-col-header {
  cursor: context-menu;
  position: relative;
}
.dm-col-header:hover {
  background: var(--bg-tertiary);
  color: var(--text);
}
.dm-row-num {
  width: 42px;
  min-width: 42px;
  max-width: 42px;
  text-align: center;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 500;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  user-select: none;
}
thead .dm-row-num {
  background: var(--bg-elevated);
}

/* Table rows */
.dm-row {
  cursor: pointer;
  transition: background var(--transition);
}
.dm-row:hover {
  background: var(--accent-dim);
}
.dm-row.dm-active-row {
  background: var(--accent-bg);
}
.dm-row.dm-active-row .dm-row-num {
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}

/* Table cells */
.dm-cell {
  padding: 6px 12px;
  border-bottom: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
  cursor: text;
}
.dm-cell:hover {
  background: rgba(255,255,255,0.03);
}
.dm-cell-editing {
  padding: 0;
  background: var(--bg-input);
}

/* Cell input */
.dm-cell-input {
  width: 100%;
  height: 100%;
  padding: 6px 12px;
  background: var(--bg-input);
  color: var(--text);
  border: 2px solid var(--accent);
  border-radius: 0;
  font-family: inherit;
  font-size: 13px;
  outline: none;
  box-shadow: inset 0 0 0 1px var(--accent-glow);
}

/* Context menu for column headers */
.dm-context-menu {
  position: fixed;
  z-index: 1000;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 4px 0;
  min-width: 160px;
}
.dm-ctx-item {
  padding: 7px 14px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition);
}
.dm-ctx-item:hover {
  background: var(--accent-dim);
  color: var(--text);
}
.dm-ctx-danger:hover {
  background: var(--danger-dim);
  color: var(--danger);
}

/* Validation banner */
.dm-validation-banner {
  padding: 8px 14px;
  font-size: 12px;
  line-height: 1.5;
  position: relative;
  border-bottom: 1px solid var(--border);
  max-height: 160px;
  overflow-y: auto;
}
.dm-validation-banner.hidden { display: none; }
.dm-validation-success {
  background: color-mix(in srgb, #2ecc71 15%, var(--bg-secondary));
  color: #2ecc71;
}
.dm-validation-has-errors {
  background: color-mix(in srgb, var(--danger) 10%, var(--bg-secondary));
}
.dm-validation-has-warnings {
  background: color-mix(in srgb, #f39c12 10%, var(--bg-secondary));
}
.dm-validation-items {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-right: 24px;
}
.dm-validation-item {
  display: flex;
  align-items: flex-start;
  gap: 6px;
}
.dm-validation-error { color: var(--danger); }
.dm-validation-warn { color: #f39c12; }
.dm-validation-info { color: var(--text-muted); }
.dm-validation-icon {
  flex-shrink: 0;
  width: 14px;
  text-align: center;
}
.dm-validation-close {
  position: absolute;
  top: 6px;
  right: 8px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
  line-height: 1;
  padding: 2px 4px;
}
.dm-validation-close:hover { color: var(--text); }

/* Hide rest of UI when data mode is active */
body.data-mode-active .app {
  visibility: hidden;
  pointer-events: none;
}

/* ============================================================
   Game Shelf — Project Manager
   ============================================================ */

.shelf-view {
  position: fixed;
  inset: 0;
  z-index: 900;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  zoom: var(--ui-zoom, 1);
}
.shelf-view.hidden { display: none; }

/* Hide the editor when shelf is open */
.app.shelf-active { pointer-events: none; opacity: 0.3; }

/* ── Header ── */
.shelf-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  gap: 16px;
  flex-shrink: 0;
}
.shelf-header-left {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.shelf-header-center {
  flex: 1;
  max-width: 400px;
}
.shelf-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.shelf-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.shelf-back-btn {
  font-size: 13px;
}
.shelf-search-wrap {
  width: 100%;
}
.shelf-search {
  width: 100%;
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 7px 14px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition);
}
.shelf-search:focus {
  border-color: var(--accent);
}
.shelf-view-toggle {
  display: flex;
  gap: 2px;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  padding: 2px;
}
.shelf-view-toggle .btn.active {
  background: var(--accent);
  color: #fff;
}
.shelf-sort-select,
.shelf-filter-select {
  background: var(--bg-input);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 8px;
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
  outline: none;
}

/* ── Body — the wall behind the shelves ── */
.shelf-body {
  flex: 1;
  overflow-y: auto;
  padding: 28px 24px;
  /* Dark wood-panel wall with subtle grain */
  background:
    repeating-linear-gradient(90deg, transparent 0px, rgba(255,255,255,0.003) 2px, transparent 4px),
    linear-gradient(180deg, #1a1520 0%, #151018 50%, #12101a 100%);
}
.shelf-body::-webkit-scrollbar { width: 6px; }
.shelf-body::-webkit-scrollbar-track { background: transparent; }
.shelf-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── Shelf Row — actual bookshelf look ── */
.shelf-row {
  margin-bottom: 0;
  position: relative;
}
.shelf-row-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 0;
  padding: 8px 20px 4px;
}
.shelf-row-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.shelf-row-name:hover:not(.unshelved-label) {
  background: var(--bg-elevated);
  color: var(--text-secondary);
}
.shelf-row-name.unshelved-label {
  color: var(--text-muted);
  cursor: default;
  font-style: italic;
}
.shelf-row-count {
  font-size: 11px;
  color: var(--text-muted);
  opacity: 0.6;
}
.shelf-row-delete {
  margin-left: auto;
  opacity: 0;
  transition: opacity var(--transition);
  font-size: 16px;
  line-height: 1;
}
.shelf-row:hover .shelf-row-delete { opacity: 0.6; }
.shelf-row-delete:hover { opacity: 1 !important; color: var(--danger); }

/* ── Shelf Boxes Grid — wooden shelf surface ── */
.shelf-boxes {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  min-height: 200px;
  padding: 16px 24px 0;
  overflow-x: auto;
  overflow-y: visible;
  align-items: flex-end;
  position: relative;
  margin-bottom: 28px;
  transition: background var(--transition);
}
/* Wooden plank — front face */
.shelf-boxes::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 18px;
  /* Wood-grain gradient */
  background:
    repeating-linear-gradient(90deg,
      transparent 0px, rgba(255,255,255,0.03) 60px,
      transparent 120px, rgba(0,0,0,0.04) 180px,
      transparent 240px
    ),
    linear-gradient(180deg, #5a4434 0%, #4a3628 50%, #3e2c1e 100%);
  /* Shelf bracket + drop shadow */
  box-shadow:
    0 2px 0 0 #342318,
    0 4px 0 0 #2a1c12,
    0 6px 16px rgba(0,0,0,0.45);
  border-radius: 0 0 1px 1px;
  pointer-events: none;
  z-index: 3;
}
.shelf-boxes::-webkit-scrollbar { height: 4px; }
.shelf-boxes::-webkit-scrollbar-track { background: transparent; }
.shelf-boxes::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.shelf-boxes.drop-target::after {
  box-shadow:
    0 0 0 1px var(--accent),
    0 2px 0 0 #342318,
    0 6px 16px rgba(0,0,0,0.45);
}

/* ── Box — game box standing upright on wooden shelf ── */
/* 3D box effect: front face visible, top edge, spine on left */
.shelf-box {
  --box-width: 80px;
  width: var(--box-width);
  min-width: var(--box-width);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  user-select: none;
  display: flex;
  flex-direction: column;
  position: relative;
  /* Sit on top of the wooden plank */
  margin-bottom: 18px;
  z-index: 1;
  transform-origin: bottom center;
}
.shelf-box:hover {
  transform: translateY(-14px);
  z-index: 4;
}
.shelf-box.dragging {
  opacity: 0.4;
  transform: scale(0.85) translateY(-16px);
}

/* The 3D box wrapper */
.shelf-box-3d {
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: 3px 3px 0 0;
  overflow: hidden;
  /* Front face shadow for depth — darker on left (spine side) */
  box-shadow:
    -2px 0 0 0 rgba(0,0,0,0.3),
    3px 2px 8px rgba(0,0,0,0.35),
    0 4px 4px -2px rgba(0,0,0,0.5);
}
.shelf-box:hover .shelf-box-3d {
  box-shadow:
    -2px 0 0 0 rgba(0,0,0,0.35),
    5px 6px 20px rgba(0,0,0,0.55),
    0 -2px 10px rgba(0,0,0,0.2);
}

/* Top edge of the box (thin strip showing depth) */
.shelf-box-top {
  height: 6px;
  border-radius: 3px 3px 0 0;
  /* Slightly lighter version of box color = top face catching light */
  filter: brightness(1.3) saturate(0.7);
}

/* Spine (left edge overlay) */
.shelf-box-spine {
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 0;
  width: 6px;
  background: rgba(0,0,0,0.3);
  z-index: 2;
  /* Subtle vertical line for spine crease */
  border-right: 1px solid rgba(255,255,255,0.05);
}

/* Front face — the box art area */
.shelf-box-face {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 140px;
  overflow: hidden;
  /* Subtle inner shadow for depth */
  box-shadow: inset 2px 0 8px rgba(0,0,0,0.15);
}
.shelf-box-initial {
  font-size: 36px;
  font-weight: 900;
  color: rgba(255,255,255,0.18);
  letter-spacing: -0.04em;
  z-index: 1;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
  line-height: 1;
}
/* Decorative card outline on the box face */
.shelf-box-card-outline {
  position: absolute;
  width: 36px;
  height: 52px;
  border: 1.5px solid rgba(255,255,255,0.08);
  border-radius: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-5deg);
}
.shelf-box-type-badge {
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 7px;
  color: rgba(255,255,255,0.4);
  background: rgba(0,0,0,0.4);
  padding: 1px 5px;
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

/* Name label below the box (sits on the shelf surface) */
.shelf-box-info {
  padding: 4px 2px 2px;
  text-align: center;
}
.shelf-box-name {
  font-size: 9px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}
.shelf-box-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  margin-top: 1px;
}
.shelf-box-badge {
  font-size: 8px;
  color: var(--text-muted);
  white-space: nowrap;
}
.shelf-box-date {
  display: none; /* Hide date to keep label compact */
}

/* ── Unsaved project indicator ── */
.shelf-box-unsaved .shelf-box-3d {
  box-shadow:
    -3px 0 0 0 rgba(0,0,0,0.25),
    0 0 0 1px var(--accent),
    4px 0 8px rgba(0,0,0,0.3);
}
.shelf-box-unsaved-badge {
  font-size: 7px;
  color: var(--accent);
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  font-weight: 700;
}

/* ── New project box ── */
.shelf-box-new {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 150px;
  --box-width: 70px;
}
.shelf-box-new .shelf-box-3d {
  border: 1.5px dashed var(--border);
  background: transparent !important;
  box-shadow: none;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 3px 3px 0 0;
}
.shelf-box-new:hover .shelf-box-3d {
  border-color: var(--accent);
  background: var(--accent-dim) !important;
  box-shadow: none;
}
.shelf-box-plus {
  font-size: 28px;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1;
  margin-bottom: 4px;
}
.shelf-box-new:hover .shelf-box-plus { color: var(--accent); }
.shelf-box-label {
  font-size: 10px;
  color: var(--text-muted);
}
.shelf-box-new:hover .shelf-box-label { color: var(--accent); }

/* ── Add shelf button ── */
.shelf-add-row {
  text-align: center;
  padding: 20px;
}
.shelf-add-btn {
  font-size: 13px;
  color: var(--text-muted);
  opacity: 0.7;
}
.shelf-add-btn:hover { opacity: 1; }

/* ── Rename input ── */
.shelf-rename-input {
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  outline: none;
  width: 200px;
}

/* ── Context menu ── */
.shelf-ctx-menu {
  position: absolute;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 950;
  min-width: 180px;
  padding: 4px 0;
  animation: shelfFadeIn 0.12s ease;
}
@keyframes shelfFadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}
.shelf-ctx-item {
  padding: 7px 14px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition);
}
.shelf-ctx-item:hover {
  background: var(--accent-dim);
  color: var(--text);
}
.shelf-ctx-danger { color: var(--danger); }
.shelf-ctx-danger:hover { background: var(--danger-dim); color: var(--danger); }
.shelf-ctx-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}
.shelf-ctx-label {
  padding: 4px 14px 2px;
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ── Detail overlay ── */
.shelf-detail-overlay {
  position: fixed;
  inset: 0;
  z-index: 960;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: shelfFadeIn 0.15s ease;
}
.shelf-detail-panel {
  position: relative;
  width: 380px;
  max-height: 80vh;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.shelf-detail-header {
  position: relative;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.shelf-detail-initial {
  font-size: 56px;
  font-weight: 800;
  color: rgba(255,255,255,0.25);
  z-index: 1;
}
.shelf-detail-card-outline {
  position: absolute;
  width: 60px;
  height: 84px;
  border: 2px solid rgba(255,255,255,0.1);
  border-radius: 5px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.shelf-detail-body {
  padding: 20px;
  overflow-y: auto;
}
.shelf-detail-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.shelf-detail-date {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.shelf-detail-section-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.shelf-detail-comp-list {
  margin-bottom: 20px;
}
.shelf-detail-comp {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
}
.shelf-detail-comp-name {
  font-size: 13px;
  color: var(--text);
}
.shelf-detail-comp-type {
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-elevated);
  padding: 1px 7px;
  border-radius: 9px;
}
.shelf-detail-open {
  width: 100%;
  padding: 10px;
  font-size: 14px;
}
.shelf-detail-close {
  position: absolute;
  top: 8px;
  right: 10px;
  background: rgba(0,0,0,0.35);
  border: none;
  color: rgba(255,255,255,0.7);
  font-size: 20px;
  line-height: 1;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}
.shelf-detail-close:hover {
  background: rgba(0,0,0,0.6);
  color: #fff;
}

/* Anchor point selector — 3x3 grid of clickable dots */
.anchor-grid {
  display: grid;
  grid-template-columns: repeat(3, 18px);
  grid-template-rows: repeat(3, 18px);
  gap: 2px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px;
}
.anchor-dot {
  width: 18px;
  height: 18px;
  border: none;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), transform var(--transition);
}
.anchor-dot::after {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background var(--transition), transform var(--transition);
}
.anchor-dot:hover { background: var(--bg-elevated); }
.anchor-dot:hover::after { background: var(--text); transform: scale(1.3); }
.anchor-dot.active { background: var(--accent-bg); }
.anchor-dot.active::after { background: var(--accent); transform: scale(1.4); }

/* ============================================================
   Accessibility
   ============================================================ */

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip link — visible only on focus */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  z-index: 100000;
  padding: 8px 16px;
  background: var(--accent, #E8913A);
  color: white;
  text-decoration: none;
  font-weight: bold;
}
.skip-link:focus {
  top: 0;
}

/* Focus indicators */
:focus-visible {
  outline: 2px solid var(--accent, #E8913A);
  outline-offset: 2px;
}

/* High contrast focus for buttons */
button:focus-visible,
[role="button"]:focus-visible {
  outline: 2px solid var(--accent, #E8913A);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(232, 145, 58, 0.3);
}

/* Rotation tooltip — floats near cursor during rotation drag */
.rotation-tooltip {
  position: fixed;
  z-index: 10000;
  pointer-events: none;
  background: var(--bg-elevated);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--accent);
  box-shadow: var(--shadow-sm);
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
}

/* ============================================================
   Panel Toggle Buttons (hidden on large screens)
   ============================================================ */
.panel-toggle {
  display: none;
}
.panel-backdrop {
  display: none;
}

/* ============================================================
   Responsive — Medium screens (768px - 1199px)
   Panels become slide-in overlays
   ============================================================ */
@media (max-width: 1199px) {
  /* Panels become overlay/offcanvas */
  .left-panel {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 300px;
    z-index: 500;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    background: var(--bg-secondary, #1C1A16);
    box-shadow: 4px 0 20px rgba(0,0,0,0.5);
  }
  .left-panel.panel-visible {
    transform: translateX(0);
  }

  .right-panel-wrapper {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 320px;
    z-index: 500;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    background: var(--bg-secondary, #1C1A16);
    box-shadow: -4px 0 20px rgba(0,0,0,0.5);
  }
  .right-panel-wrapper.panel-visible {
    transform: translateX(0);
  }

  /* Canvas gets full width */
  .canvas-area {
    grid-column: 1 / -1;
  }

  /* Card carousel spans full width too */
  .card-carousel {
    grid-column: 1 / -1;
  }

  /* Panel overlay backdrop */
  .panel-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 499;
  }
  .panel-backdrop.active {
    display: block;
  }

  /* Panel toggle buttons in toolbar */
  .panel-toggle {
    display: inline-flex !important;
  }
}

/* ============================================================
   Responsive — Small screens (< 768px)
   Compact toolbar, bottom sheet panels, touch-friendly targets
   ============================================================ */
@media (max-width: 767px) {
  /* Compact toolbar */
  .toolbar {
    flex-wrap: wrap;
    gap: 4px;
    padding: 4px 8px;
  }
  .toolbar .btn {
    font-size: 12px;
    padding: 4px 8px;
    min-height: 36px;
    min-width: 36px;
  }
  /* Hide text labels, keep icons */
  .toolbar .btn-text {
    display: none;
  }

  /* Panels as bottom sheets */
  .left-panel, .right-panel-wrapper {
    width: 100%;
    height: 60vh;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    transform: translateY(100%);
  }
  .left-panel.panel-visible,
  .right-panel-wrapper.panel-visible {
    transform: translateY(0);
  }

  /* Ensure touch targets are 44px minimum */
  button, [role="button"], input, select {
    min-height: 44px;
    min-width: 44px;
  }

  /* Full-screen modals */
  .modal-content {
    width: 100% !important;
    max-width: 100% !important;
    height: 100vh;
    max-height: 100vh;
    border-radius: 0;
    margin: 0;
  }
}