/* ==========================================================================
   PIX2 STUDIO - DUAL THEME CSS (Light Mode Default, Dark Mode Supported)
   High Contrast, Modern Rounded UI, Pixel-Perfect Tooling
   ========================================================================== */

:root, body.light-theme {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --border-subtle: #cbd5e1;
  --border-strong: #94a3b8;
  --border-focus: #4f46e5;

  --text-main: #0f172a;
  --text-muted: #334155;
  --text-dim: #64748b;

  --accent-primary: #4f46e5;
  --accent-hover: #4338ca;
  --accent-active: #3730a3;
  --accent-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);

  --btn-radius: 8px;
  --card-radius: 10px;
  --pill-radius: 9999px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.12);

  --canvas-bg: #cbd5e1;        /* Clean studio workbench neutral gray for light mode */
  --tab-bar-bg: #f1f5f9;
  --tab-active-bg: #ffffff;
  --tab-active-border: #94a3b8;
  --code-bg: #ffffff;
  --code-text: #0f172a;
  --statusbar-bg: #ffffff;
  --statusbar-text: #0f172a;

  --checker-light: #ffffff;
  --checker-dark: #cbd5e1;

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "Cascadia Code", "Fira Code", Consolas, Menlo, Monaco, monospace;
}

body.dark-theme {
  --bg-primary: #0a0b10;
  --bg-secondary: #141722;
  --bg-card: #1c202e;
  --bg-card-hover: #262b3d;
  --border-subtle: #2d3345;
  --border-strong: #47516e;
  --border-focus: #6366f1;

  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
  --text-dim: #94a3b8;

  --accent-primary: #6366f1;
  --accent-hover: #4f46e5;
  --accent-active: #4338ca;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);

  --canvas-bg: #090a0f;
  --tab-bar-bg: #10121a;
  --tab-active-bg: #1c202e;
  --tab-active-border: #47516e;
  --code-bg: #090a0f;
  --code-text: #e2e8f0;
  --statusbar-bg: #10121a;
  --statusbar-text: #cbd5e1;

  --checker-light: #252836;
  --checker-dark: #161822;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-family);
  font-size: 13px;
  line-height: 1.4;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  user-select: none;
  transition: background-color 0.2s, color 0.2s;
}

/* ==========================================================================
   PIXEL ART CANVAS
   ========================================================================== */
.pixel-art-canvas {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  display: block;
}

/* ==========================================================================
   BUTTONS & INPUTS (Modern, Rounded)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--btn-radius);
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-card);
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--accent-primary);
  color: var(--text-main);
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--accent-gradient);
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 3px 8px rgba(99, 102, 241, 0.45);
}

.btn-accent {
  background-color: #10b981;
  border-color: transparent;
  color: #ffffff !important;
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.3);
}

.btn-accent i,
.btn-accent span,
.btn-accent .btn-text {
  color: #ffffff !important;
}

.btn-accent:hover {
  background-color: #059669;
  color: #ffffff !important;
}

.btn-secondary {
  background-color: var(--bg-card);
  border-color: var(--border-subtle);
  color: var(--text-main);
}

.btn-sm {
  padding: 4px 8px;
  font-size: 11px;
}

.modern-input {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--btn-radius);
  color: var(--text-main);
  padding: 5px 10px;
  font-size: 12px;
  outline: none;
  transition: border-color 0.15s;
}

.modern-input:focus {
  border-color: var(--accent-primary);
}

.full-width {
  width: 100%;
}

.hidden {
  display: none !important;
}

.modern-select {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--btn-radius);
  color: var(--text-main);
  padding: 4px 8px;
  font-size: 11px;
  outline: none;
  cursor: pointer;
}

.select-xs {
  font-size: 11px;
  padding: 2px 6px;
}

/* ==========================================================================
   APP HEADER (Uniform 32px Height & Smooth Drag-to-Scroll Toolbar)
   ========================================================================== */
.studio-header {
  height: 52px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 0 14px;
  flex-shrink: 0;
  gap: 10px;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none; /* Hide native scrollbar on Firefox */
  -ms-overflow-style: none; /* Hide native scrollbar on IE/Edge */
  user-select: none;
  cursor: grab;
}

.studio-header.is-dragging {
  cursor: grabbing !important;
}

.studio-header::-webkit-scrollbar {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.header-center {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  margin-left: auto;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 44px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.2px;
  margin-right: 6px;
  color: var(--text-main);
  flex-shrink: 0;
}

.brand-icon {
  color: var(--accent-primary);
  font-size: 18px;
}

.brand-logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.18));
  flex-shrink: 0;
}

.brand-ver {
  font-size: 10px;
  font-weight: 600;
  background-color: var(--bg-card);
  color: var(--text-muted);
  padding: 2px 5px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
}

/* Professional File Document Header Widget */
.header-file-widget {
  display: inline-flex;
  align-items: center;
  height: 32px;
  box-sizing: border-box;
  gap: 7px;
  padding: 0 8px 0 10px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--pill-radius);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
  flex-shrink: 0;
}

.header-file-widget:hover,
.header-file-widget:focus-within {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.15);
  background-color: var(--bg-panel);
}

.header-file-widget .file-badge-icon {
  font-size: 13px;
  color: var(--accent-primary);
  opacity: 0.85;
  flex-shrink: 0;
}

.header-file-input {
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-mono, ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace);
  font-size: 12.5px;
  font-weight: 600;
  padding: 0;
  margin: 0;
  min-width: 150px;
  max-width: 320px;
  outline: none;
  text-overflow: ellipsis;
  cursor: text;
  white-space: nowrap;
}

.header-file-input:focus {
  outline: none;
}

.header-dirty-dot {
  display: none;
  font-size: 12px;
  line-height: 1;
  color: #f59e0b;
  margin: 0 1px;
  flex-shrink: 0;
  user-select: none;
}

.header-dirty-dot.is-dirty {
  display: inline-block;
  animation: pulseDirty 2s infinite ease-in-out;
}

@keyframes pulseDirty {
  0%, 100% { opacity: 0.6; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.2); }
}

.header-file-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 4px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  padding: 0;
  flex-shrink: 0;
}

.header-file-btn:hover {
  background-color: rgba(99, 102, 241, 0.12);
  color: var(--accent-primary);
}

/* File Status & Path Indicator (Positioned in Bottom Statusbar) */
.file-status-group {
  display: inline-flex;
  align-items: center;
  height: 24px;
  box-sizing: border-box;
  gap: 5px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--pill-radius);
  padding: 0 6px;
  font-size: 11px;
  white-space: nowrap;
  flex-shrink: 0;
}

.file-source-badge {
  display: inline-flex;
  align-items: center;
  height: 18px;
  box-sizing: border-box;
  gap: 4px;
  padding: 0 5px;
  border-radius: 3px;
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.2px;
  white-space: nowrap;
  flex-shrink: 0;
}

.file-source-badge.local {
  background-color: rgba(59, 130, 246, 0.12);
  color: #3b82f6;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.file-source-badge.draft {
  background-color: rgba(245, 158, 11, 0.12);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.file-path-pill {
  display: inline-flex;
  align-items: center;
  height: 20px;
  box-sizing: border-box;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-main);
  padding: 0 5px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 0;
}

.file-path-pill:hover {
  background-color: rgba(99, 102, 241, 0.1);
  color: var(--accent-primary);
}

.file-path-pill .copy-icon {
  font-size: 10px;
  opacity: 0.6;
}

.file-status-group #btn-reveal-explorer {
  height: 20px;
  width: 20px;
  box-sizing: border-box;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  font-size: 10px;
  flex-shrink: 0;
}

.save-status-badge {
  display: inline-flex;
  align-items: center;
  height: 18px;
  box-sizing: border-box;
  gap: 4px;
  font-size: 10px;
  font-weight: 600;
  padding: 0 5px;
  border-radius: 3px;
  white-space: nowrap;
  flex-shrink: 0;
}

.save-status-badge.clean {
  color: #10b981;
}

.save-status-badge.dirty {
  color: #6366f1;
}

.save-status-badge.autosaved {
  color: #10b981;
}

.save-status-badge.memory-draft {
  color: #d97706;
  background-color: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.header-dirty-dot.is-draft {
  background-color: #f59e0b;
  box-shadow: 0 0 6px rgba(245, 158, 11, 0.6);
  opacity: 1;
}

#btn-save-pix2.needs-disk-save {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), rgba(234, 88, 12, 0.12));
  border-color: rgba(245, 158, 11, 0.45);
  color: #d97706;
  font-weight: 600;
}

@keyframes pulse-dirty {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.save-actions-group {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  flex-shrink: 0;
}

/* Header Buttons Uniform Height */
.studio-header .btn {
  height: 32px;
  box-sizing: border-box;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
  line-height: 1;
}

.btn-xs {
  padding: 2px 6px;
  font-size: 10px;
  height: 22px;
  border-radius: 4px;
  white-space: nowrap;
  flex-shrink: 0;
}

/* Pill Presets (Resolution - Uniform 32px height) */
.pill-group {
  display: inline-flex;
  align-items: center;
  height: 32px;
  box-sizing: border-box;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--pill-radius);
  padding: 0 4px;
  gap: 3px;
  white-space: nowrap;
  flex-shrink: 0;
}

.pill-label {
  font-size: 11px;
  color: var(--text-muted);
  padding: 0 6px;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.pill-btn {
  height: 24px;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  padding: 0 8px;
  border-radius: var(--pill-radius);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  flex-shrink: 0;
}

.pill-btn:hover {
  background-color: var(--bg-card);
  color: var(--text-main);
}

.pill-btn:active {
  background-color: var(--accent-primary);
  color: #fff;
}

.export-group {
  display: inline-flex;
  gap: 6px;
  border-left: 1px solid var(--border-subtle);
  padding-left: 10px;
  margin-left: 8px;
  align-items: center;
  flex-shrink: 0;
}

/* ==========================================================================
   SECONDARY TAB BAR (High Contrast in both Light & Dark)
   ========================================================================== */
.studio-tab-bar {
  height: 40px;
  background-color: var(--tab-bar-bg);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 6px;
  overflow-x: auto;
  flex-shrink: 0;
}

.studio-tab-bar::-webkit-scrollbar {
  height: 3px;
}
.studio-tab-bar::-webkit-scrollbar-thumb {
  background-color: var(--border-subtle);
}

.studio-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  background-color: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  user-select: none;
}

.studio-tab:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-subtle);
  color: var(--text-main);
}

.studio-tab.active {
  background-color: var(--tab-active-bg);
  border-color: var(--tab-active-border);
  color: var(--accent-primary);
  box-shadow: var(--shadow-sm);
  font-weight: 600;
}

.studio-tab.active .tab-title {
  color: var(--accent-primary);
  font-weight: 600;
}

.studio-tab i {
  font-size: 12px;
  color: var(--accent-primary);
}

.tab-title {
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  color: inherit;
}

.tab-close-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 11px;
  padding: 2px 4px;
  margin-left: 4px;
  cursor: pointer;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.tab-close-btn:hover {
  color: #ef4444;
  background-color: rgba(239, 68, 68, 0.15);
}

/* ==========================================================================
   WORKSPACE & VIEW PANELS
   ========================================================================== */
.studio-main {
  flex: 1;
  position: relative;
  overflow: hidden;
  background-color: var(--canvas-bg);
}

.view-panel {
  display: none;
  width: 100%;
  height: 100%;
}

.view-panel.active {
  display: flex;
}

/* ==========================================================================
   VIEW 1: GRID OVERVIEW
   ========================================================================== */
#view-grid-overview {
  flex-direction: row;
}

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

.grid-inspector-sidebar {
  width: 280px;
}

.sidebar-delete-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  margin-top: 8px;
}

.sidebar-delete-group .btn {
  font-size: 11px !important;
  padding: 6px 10px !important;
  white-space: nowrap !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px !important;
  width: 100% !important;
  border-radius: 6px !important;
  transition: all 0.15s ease !important;
}

.sidebar-delete-group .btn:hover {
  background-color: rgba(239, 68, 68, 0.12) !important;
  color: #ef4444 !important;
  border-color: #ef4444 !important;
}

.view-sub-toolbar {
  height: 44px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 0 16px;
  flex-shrink: 0;
  gap: 12px;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none; /* Hide native scrollbar */
  -ms-overflow-style: none;
  user-select: none;
  cursor: grab;
  white-space: nowrap;
}

.view-sub-toolbar.is-dragging {
  cursor: grabbing !important;
}

.view-sub-toolbar::-webkit-scrollbar {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
}

.toolbar-section {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  flex-shrink: 0;
}

.toolbar-section:last-child {
  margin-left: auto;
}

.toolbar-title {
  font-weight: 600;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-main);
  white-space: nowrap;
  flex-shrink: 0;
}

.sub-text {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.view-sub-toolbar .btn-group {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  white-space: nowrap;
  flex-shrink: 0;
}

.view-sub-toolbar .btn {
  white-space: nowrap;
  flex-shrink: 0;
}

.grid-canvas-viewport {
  flex: 1;
  background-color: var(--canvas-bg);
  overflow: hidden;
  padding: 40px 36px 60px 36px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  user-select: none;
}

.grid-canvas-viewport.is-panning {
  cursor: grabbing !important;
}

#grid-canvas {
  margin: auto;
  display: block;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  will-change: transform;
}

/* ==========================================================================
   VIEW 2: CELL EDITOR (Layout: Left Tools, Center Canvas, Right Sidebar)
   ========================================================================== */
#view-cell-editor {
  flex-direction: row;
}

/* Left Tools Column */
.tools-sidebar {
  width: 48px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 0;
  gap: 6px;
  flex-shrink: 0;
}

.tool-btn-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tool-btn {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--btn-radius);
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s;
}

.tool-btn:hover {
  background-color: var(--bg-card-hover);
  color: var(--text-main);
}

.tool-btn.active {
  background-color: var(--accent-primary);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(99, 102, 241, 0.4);
}

.tool-divider {
  width: 24px;
  height: 1px;
  background-color: var(--border-subtle);
  margin: 4px 0;
}

/* Center Editor Canvas */
.cell-editor-center {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--canvas-bg);
}

.cell-top-bar {
  height: 42px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 6px;
  flex-shrink: 0;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
  white-space: nowrap;
  user-select: none;
  cursor: grab;
}

.cell-top-bar.is-dragging {
  cursor: grabbing !important;
}

.cell-top-bar::-webkit-scrollbar {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
}

.cell-action-group, .cell-info-badges {
  flex-shrink: 0;
  white-space: nowrap;
}

.cell-action-group {
  display: flex;
  gap: 3px;
}

.icon-action-btn {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  color: var(--text-main);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}

.icon-action-btn:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--accent-primary);
}

.icon-action-btn.active {
  background-color: var(--accent-primary);
  border-color: transparent;
  color: #fff;
}

.text-danger:hover {
  color: #ef4444;
  border-color: #ef4444;
}

.bar-separator {
  width: 1px;
  height: 18px;
  background-color: var(--border-subtle);
  margin: 0 4px;
}

.bar-spacer {
  flex: 1;
}

.info-badge {
  font-size: 11px;
  color: var(--text-main);
  background-color: var(--bg-card);
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  white-space: nowrap;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  box-sizing: border-box;
}

.info-badge.badge-primary {
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent-primary);
  border-color: rgba(99, 102, 241, 0.3);
  font-weight: 600;
}

.info-badge.badge-accent {
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
  border-color: rgba(16, 185, 129, 0.3);
  font-weight: 600;
  white-space: nowrap !important;
  flex-shrink: 0 !important;
}

#grid-selected-badge {
  max-width: 90px;
  overflow: hidden;
  position: relative;
  display: inline-flex;
  align-items: center;
  box-sizing: border-box;
}

.has-marquee {
  overflow: hidden !important;
  white-space: nowrap !important;
  position: relative;
}

.badge-marquee-container {
  overflow: hidden;
  max-width: 100%;
  display: inline-flex;
}

.badge-marquee-track {
  display: inline-flex;
  white-space: nowrap;
  animation: badge-continuous-marquee 5s linear infinite;
  will-change: transform;
}

.badge-marquee-track:hover {
  animation-play-state: paused;
}

.badge-marquee-track .marquee-text {
  flex-shrink: 0;
  white-space: nowrap;
}

.badge-marquee-track .marquee-spacer {
  display: inline-block;
  width: 24px;
  flex-shrink: 0;
}

@keyframes badge-continuous-marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Canvas Viewport & Integrated Centered Rulers */
.canvas-viewport {
  flex: 1;
  overflow: auto;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  background-color: var(--canvas-bg);
  padding: 30px;
  position: relative;
}

/* Canvas Container with Direct Integrated Rulers */
.canvas-container-with-rulers {
  position: relative;
  display: inline-grid;
  grid-template-columns: 24px auto;
  grid-template-rows: 24px auto;
  border-radius: 6px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  margin: auto;
  flex-shrink: 0;
}

.ruler-corner {
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  color: var(--text-dim);
}

.ruler-top-bar {
  display: flex;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
  height: 24px;
}

.ruler-left-bar {
  display: flex;
  flex-direction: column;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-subtle);
  overflow: hidden;
  width: 24px;
}

.ruler-tick {
  font-size: 9px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  user-select: none;
  border-right: 1px solid rgba(148, 163, 184, 0.25);
  box-sizing: border-box;
  transition: background-color 0.1s, color 0.1s;
}

.ruler-tick-v {
  font-size: 9px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  user-select: none;
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
  box-sizing: border-box;
  transition: background-color 0.1s, color 0.1s;
}

.ruler-tick.active-ruler-tick, .ruler-tick-v.active-ruler-tick {
  background-color: var(--accent-primary) !important;
  color: #ffffff !important;
  font-weight: 700 !important;
}

.canvas-stack {
  position: relative;
  background-color: transparent;
}

#cell-overlay {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: auto;
  cursor: crosshair;
}

/* Right Sidebar */
.right-sidebar {
  width: 270px;
  background-color: var(--bg-secondary);
  border-left: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  padding: 12px;
  gap: 12px;
  overflow-y: auto;
  flex-shrink: 0;
}

.sidebar-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--card-radius);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: var(--shadow-sm);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
}

.preview-body {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--canvas-bg);
  min-height: 160px; /* Generous height for clear preview */
  padding: 16px;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.05);
}

.preview-zoom-pills {
  display: inline-flex;
  gap: 2px;
  background-color: var(--bg-primary);
  padding: 2px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
}

.pill-btn-xs {
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 10px;
  font-family: var(--font-mono);
  padding: 1px 6px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.12s;
}

.pill-btn-xs:hover {
  color: var(--text-main);
  background-color: rgba(99, 102, 241, 0.08);
}

.pill-btn-xs.active {
  background-color: var(--accent-primary);
  color: #ffffff;
  font-weight: 600;
}

.color-swatch-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.color-indicator-pair {
  position: relative;
  width: 38px;
  height: 38px;
}

.color-box {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  border: 2px solid var(--text-main);
  position: absolute;
  cursor: pointer;
}

.color-box.primary {
  top: 0;
  left: 0;
  z-index: 2;
}

.color-box.secondary {
  bottom: 0;
  right: 0;
  border-color: var(--text-dim);
  z-index: 1;
}

.modern-color-input {
  width: 38px;
  height: 32px;
  border: none;
  background: transparent;
  cursor: pointer;
}

.palette-swatches-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
  padding: 4px 2px;
  overflow: visible;
  margin-top: 6px;
}

.palette-swatch {
  aspect-ratio: 1;
  border-radius: 4px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  cursor: pointer;
  transition: transform 0.1s ease, border-color 0.1s ease, box-shadow 0.1s ease;
}

.palette-swatch:hover {
  transform: scale(1.08);
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--accent-primary);
  z-index: 2;
}

.palette-swatch.active {
  border: 2px solid var(--accent-primary);
  box-shadow: 0 0 6px rgba(99, 102, 241, 0.5);
}

.form-label {
  font-size: 11px;
  color: var(--text-muted);
  display: block;
  margin-bottom: 4px;
  font-weight: 500;
}

/* Animation Clips List */
.anim-clips-container {
  display: flex;
  flex-direction: column;
  gap: 5px;
  max-height: 160px;
  overflow-y: auto;
}

.anim-clip-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  font-size: 11px;
  color: var(--text-main);
}

.anim-clip-badge {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 500;
}

.flex-row {
  display: flex;
  align-items: center;
}

.flex-column {
  display: flex;
  flex-direction: column;
}

.gap-4 { gap: 4px; }
.gap-6 { gap: 6px; }
.gap-8 { gap: 8px; }

/* Header Autosave Status Pill */
.autosave-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 3px 8px;
  user-select: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.autosave-pill.saving {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  background-color: rgba(99, 102, 241, 0.08);
}

.autosave-pill.saved {
  color: #10b981;
  border-color: rgba(16, 185, 129, 0.3);
  background-color: rgba(16, 185, 129, 0.08);
}

.autosave-pill.memory-draft {
  color: #d97706;
  border-color: rgba(245, 158, 11, 0.45);
  background-color: rgba(245, 158, 11, 0.12);
}

.autosave-pill i {
  font-size: 10px;
}

/* ==========================================================================
   VIEW 3: CODE & AI STUDIO
   ========================================================================== */
#view-code-editor {
  flex-direction: row;
}

.code-editor-layout {
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: 1fr 340px;
}

.code-pane {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-subtle);
  background-color: var(--code-bg);
}

.code-pane-header {
  height: 44px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  flex-shrink: 0;
}

.code-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-main);
}

.code-actions {
  display: flex;
  gap: 8px;
}

.code-textarea {
  flex: 1;
  background-color: var(--code-bg);
  color: var(--code-text);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  padding: 16px;
  border: none;
  outline: none;
  resize: none;
}

.ai-guide-pane {
  background-color: var(--bg-secondary);
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ai-guide-content h4 {
  font-size: 12px;
  color: var(--text-main);
  margin: 12px 0 6px;
}

.ai-guide-content pre {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: #0284c7;
  overflow-x: auto;
}

.ai-guide-content ul {
  padding-left: 18px;
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ai-guide-content code {
  font-family: var(--font-mono);
  color: #db2777;
  font-size: 11px;
}

.tip-box {
  background-color: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: 6px;
  padding: 10px;
  display: flex;
  gap: 8px;
  font-size: 11px;
  color: var(--accent-primary);
  margin-top: 14px;
}

.guide-formula-box {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.guide-formula-box p {
  margin: 0;
}

.guide-cmd-list {
  padding-left: 14px !important;
  font-size: 11px !important;
}

.pulse-warning {
  border-color: #f59e0b !important;
  color: #f59e0b !important;
  animation: pulse-glow-warning 1.5s infinite;
}

@keyframes pulse-glow-warning {
  0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.5); }
  70% { box-shadow: 0 0 0 6px rgba(245, 158, 11, 0); }
  100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}

/* ==========================================================================
   FLOATING ANIMATION STUDIO (4-DIR & 8-DIR) - DRAGGABLE & MINIMIZABLE
   ========================================================================== */
.anim-floating-panel {
  position: absolute;
  bottom: 42px;
  left: 24px;
  top: auto;
  right: auto;
  width: 236px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  z-index: 100;
  backdrop-filter: blur(10px);
  transition: box-shadow 0.2s, opacity 0.2s, width 0.2s ease;
  overflow: hidden;
}

.anim-floating-panel.hidden {
  display: none !important;
}

.anim-panel-header {
  height: 40px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  cursor: grab;
  user-select: none;
  background-color: var(--bg-secondary);
  border-radius: var(--card-radius) var(--card-radius) 0 0;
  gap: 8px;
  overflow: hidden;
  box-sizing: border-box;
}

.anim-panel-header:active {
  cursor: grabbing;
}

.anim-floating-panel.minimized {
  width: 200px !important;
  min-width: 0 !important;
  max-width: 200px !important;
  height: 40px !important;
  border-radius: 20px !important;
  overflow: hidden !important;
  box-shadow: var(--shadow-md) !important;
  bottom: 42px;
  left: 24px;
}

.anim-floating-panel.minimized select {
  display: none !important;
}

.anim-floating-panel.minimized .anim-panel-body {
  display: none !important;
}

.anim-floating-panel.minimized .anim-panel-header {
  border-bottom: none !important;
  height: 40px !important;
  border-radius: 20px !important;
  padding: 0 12px !important;
}

.anim-title {
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-main);
  white-space: nowrap;
  flex-shrink: 0;
}

#anim-panel-min-btn {
  width: 26px !important;
  height: 26px !important;
  flex-shrink: 0 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.anim-panel-body {
  padding: 10px 14px 14px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-card);
  border-radius: 0 0 var(--card-radius) var(--card-radius);
}

.anim-dropdowns-row {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
}

.anim-dropdowns-row select {
  padding: 3px 6px;
  font-size: 11px;
  height: 26px;
}

#floating-anim-select {
  flex: 1;
  min-width: 0;
}

#anim-mode-select {
  width: 66px;
  flex-shrink: 0;
}

.anim-canvas-wrapper {
  width: 192px;
  height: 192px;
  min-width: 192px;
  min-height: 192px;
  background-color: var(--canvas-bg);
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  transition: width 0.15s, height 0.15s;
}

/* 8-Way & 4-Way Direction Compass */
.direction-compass-container {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 4px 0;
}

.compass-grid {
  display: grid;
  grid-template-columns: repeat(3, 30px);
  grid-template-rows: repeat(3, 30px);
  gap: 4px;
  justify-content: center;
  align-content: center;
}

.compass-btn {
  width: 30px !important;
  height: 30px !important;
  min-width: 30px !important;
  min-height: 30px !important;
  max-width: 30px !important;
  max-height: 30px !important;
  aspect-ratio: 1 / 1 !important;
  flex-shrink: 0 !important;
  box-sizing: border-box !important;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 11px;
  cursor: pointer;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  transition: all 0.15s;
  padding: 0 !important;
  margin: 0 !important;
}

.compass-btn:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--accent-primary);
  color: var(--text-main);
}

.compass-btn.active {
  background-color: var(--accent-primary) !important;
  border-color: transparent !important;
  color: #fff !important;
  box-shadow: 0 0 8px rgba(99, 102, 241, 0.5);
}

/* Explicit Grid Placements so items NEVER shift, wrap, or stretch */
.compass-btn[data-dir="up_left"]    { grid-column: 1; grid-row: 1; }
.compass-btn[data-dir="up"]         { grid-column: 2; grid-row: 1; }
.compass-btn[data-dir="up_right"]   { grid-column: 3; grid-row: 1; }
.compass-btn[data-dir="left"]       { grid-column: 1; grid-row: 2; }
.compass-center                     { grid-column: 2; grid-row: 2; }
.compass-btn[data-dir="right"]      { grid-column: 3; grid-row: 2; }
.compass-btn[data-dir="down_left"]  { grid-column: 1; grid-row: 3; }
.compass-btn[data-dir="down"]       { grid-column: 2; grid-row: 3; }
.compass-btn[data-dir="down_right"] { grid-column: 3; grid-row: 3; }

/* In 4-Direction mode, cleanly hide the 4 diagonals without breaking the cross */
.anim-floating-panel.mode-4dir .dir-diagonal {
  display: none !important;
}

.compass-center {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 12px;
  width: 30px;
  height: 30px;
}

/* Playback row - PERFECT CIRCLE BUTTONS (ZERO OVALS) */
.anim-controls-row {
  display: flex;
  align-items: center !important;
  justify-content: center;
  gap: 8px;
  width: 100%;
}

.icon-round-btn {
  width: 32px !important;
  height: 32px !important;
  min-width: 32px !important;
  min-height: 32px !important;
  max-width: 32px !important;
  max-height: 32px !important;
  aspect-ratio: 1 / 1 !important;
  flex-shrink: 0 !important;
  box-sizing: border-box !important;
  border-radius: 50% !important;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-size: 11px;
  line-height: 1;
  padding: 0 !important;
  margin: 0 !important;
  cursor: pointer;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  align-self: center !important;
  transition: all 0.15s;
}

.icon-round-btn:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--accent-primary);
}

.play-btn {
  width: 36px !important;
  height: 36px !important;
  min-width: 36px !important;
  min-height: 36px !important;
  max-width: 36px !important;
  max-height: 36px !important;
  aspect-ratio: 1 / 1 !important;
  flex-shrink: 0 !important;
  align-self: center !important;
  background: var(--accent-gradient) !important;
  border-color: transparent !important;
  color: #fff !important;
  box-shadow: 0 2px 6px rgba(79, 70, 229, 0.4);
}

.play-btn:hover {
  filter: brightness(1.1);
}

.fps-control {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  font-size: 11px;
  color: var(--text-muted);
}

.modern-slider {
  flex: 1;
  height: 4px;
  accent-color: var(--accent-primary);
}

.icon-round-btn.btn-xs {
  width: 24px !important;
  height: 24px !important;
  min-width: 24px !important;
  min-height: 24px !important;
  max-width: 24px !important;
  max-height: 24px !important;
  font-size: 10px !important;
  padding: 0 !important;
}

/* ==========================================================================
   STATUS BAR & COORDINATE HUD (Clean Contrast in Light & Dark Mode)
   ========================================================================== */
.studio-statusbar {
  height: 32px;
  background-color: var(--statusbar-bg);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 14px;
  font-size: 11px;
  color: var(--statusbar-text);
  flex-shrink: 0;
  z-index: 20;
  overflow-x: auto;
  overflow-y: hidden;
  white-space: nowrap;
  scrollbar-width: none;
  -ms-overflow-style: none;
  cursor: grab;
  user-select: none;
}

.studio-statusbar::-webkit-scrollbar {
  display: none !important;
}

.studio-statusbar.is-dragging {
  cursor: grabbing;
}

.status-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  white-space: nowrap;
  min-width: max-content;
}

.status-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  white-space: nowrap;
  margin-left: auto;
  min-width: max-content;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  color: var(--statusbar-text);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
}

.status-item i {
  color: var(--accent-primary);
  font-size: 12px;
}

.status-divider {
  width: 1px;
  height: 14px;
  background-color: var(--border-subtle);
}

.status-sub {
  color: var(--text-dim);
  font-size: 10px;
}

.color-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.25);
  background-color: transparent;
  display: inline-block;
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */
#studio-toast {
  position: fixed;
  bottom: 38px;
  left: 50%;
  transform: translateX(-50%) translateY(50px);
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  padding: 8px 16px;
  border-radius: var(--pill-radius);
  font-size: 12px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 9999;
}

#studio-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

#studio-toast.toast-success {
  border-color: #10b981;
  color: #059669;
}


/* ==========================================================================
   VIEW 3: DEDICATED ANIMATION STUDIO WORKSPACE
   ========================================================================== */
#view-anim-studio {
  flex-direction: row;
}

.anim-clips-sidebar {
  width: 280px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  padding: 12px;
  gap: 12px;
  overflow-y: auto;
  flex-shrink: 0;
}

.anim-studio-center {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--canvas-bg);
}

.anim-studio-viewport {
  flex: 1;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  position: relative;
  background-color: var(--canvas-bg);
  cursor: grab;
  user-select: none;
}

.anim-studio-viewport.is-panning {
  cursor: grabbing !important;
}

.anim-studio-canvas-container {
  display: inline-flex;
  padding: 28px;
  border-radius: var(--card-radius);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.12);
  margin: auto;
  align-items: center;
  justify-content: center;
  will-change: transform;
}

/* Timeline Panel at bottom of Animation Studio */
.anim-timeline-panel {
  height: 160px;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.timeline-header {
  height: 38px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
  flex-shrink: 0;
  gap: 12px;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
  user-select: none;
  cursor: grab;
}

.timeline-header.is-dragging {
  cursor: grabbing !important;
}

.timeline-header::-webkit-scrollbar {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
}

.timeline-header > div {
  white-space: nowrap;
  flex-shrink: 0;
}

.timeline-frames-strip {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  overflow-x: auto;
  overflow-y: hidden;
  cursor: grab;
  user-select: none;
  scrollbar-width: thin;
}

.timeline-frames-strip.is-dragging {
  cursor: grabbing !important;
}

.timeline-frame-card {
  width: 80px;
  height: 105px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 6px;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.15s;
  position: relative;
}

.timeline-frame-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.timeline-frame-card.active {
  border-color: var(--accent-primary);
  background-color: rgba(99, 102, 241, 0.08);
  box-shadow: 0 0 0 2px var(--accent-primary);
}

.timeline-thumbnail-canvas {
  width: 48px;
  height: 48px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
  image-rendering: pixelated;
  background-color: var(--canvas-bg);
}

.timeline-frame-info {
  font-size: 10px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.timeline-card-actions {
  display: flex;
  gap: 4px;
}

.timeline-mini-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 9px;
  padding: 2px 4px;
  border-radius: 3px;
  cursor: pointer;
}

.timeline-mini-btn:hover {
  background-color: var(--bg-card-hover);
  color: var(--text-main);
}

.timeline-mini-btn.btn-remove:hover {
  color: #ef4444;
}

/* Canvas Panning Cursor */
.canvas-viewport.panning,
.canvas-viewport.space-held,
.canvas-viewport.tool-pan,
.canvas-viewport.tool-pan * {
  cursor: grab !important;
}

.canvas-viewport.is-panning,
.canvas-viewport.is-panning * {
  cursor: grabbing !important;
  user-select: none !important;
}

/* ==========================================================================
   DESKTOP-STYLE RIGHT-CLICK CONTEXT MENU
   ========================================================================== */
.studio-context-menu {
  position: fixed;
  z-index: 2000;
  min-width: 200px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  padding: 5px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  backdrop-filter: blur(12px);
  user-select: none;
}

.studio-context-menu.hidden {
  display: none !important;
}

.context-menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  font-size: 12px;
  color: var(--text-main);
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.12s;
}

.context-menu-item:hover {
  background-color: var(--accent-primary);
  color: #ffffff;
}

.context-menu-item:hover i,
.context-menu-item:hover .context-shortcut {
  color: #ffffff;
}

.context-menu-item i {
  font-size: 12px;
  width: 16px;
  color: var(--accent-primary);
}

.context-shortcut {
  margin-left: auto;
  font-size: 10px;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.context-menu-divider {
  height: 1px;
  background-color: var(--border-subtle);
  margin: 4px 2px;
}

/* ================= TOOLBAR DROPDOWN MENUS (SMART ROW/COL DELETION) ================= */
.toolbar-dropdown-container {
  position: relative;
  display: inline-flex;
}

.mini-caret {
  font-size: 9px !important;
  margin-left: 3px;
  opacity: 0.7;
}

.toolbar-dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  min-width: 230px;
  max-height: 280px;
  overflow-y: auto;
  z-index: 150;
  display: flex;
  flex-direction: column;
  padding: 4px;
  backdrop-filter: blur(10px);
}

.toolbar-dropdown-menu.hidden {
  display: none !important;
}

.toolbar-dropdown-header {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: 6px 8px 4px 8px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 3px;
}

.toolbar-dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  font-size: 12px;
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-main);
  gap: 8px;
  transition: background 0.12s, color 0.12s;
}

.toolbar-dropdown-item:hover {
  background-color: rgba(239, 68, 68, 0.12);
  color: #ef4444;
}

.toolbar-dropdown-item.is-selected {
  background-color: rgba(99, 102, 241, 0.12);
  font-weight: 600;
  border-left: 3px solid var(--accent-primary);
}

.toolbar-dropdown-item .item-trash {
  font-size: 11px;
  color: #ef4444;
  opacity: 0.8;
}

.studio-dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  min-width: 270px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  padding: 6px;
  backdrop-filter: blur(10px);
}

.studio-dropdown-menu.hidden {
  display: none !important;
}

.dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.12s;
  color: var(--text-main);
}

.dropdown-item:hover {
  background-color: var(--bg-primary);
}

.dropdown-icon {
  font-size: 15px;
  margin-top: 2px;
}

.dropdown-text-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.dropdown-item-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
}

.dropdown-item-desc {
  font-size: 11px;
  color: var(--text-dim);
  line-height: 1.3;
}

/* ================= PREVIEW NAVBAR TOGGLE BUTTON ================= */
#btn-toggle-float-anim.active {
  background-color: rgba(99, 102, 241, 0.16) !important;
  color: var(--accent-primary) !important;
  border-color: var(--accent-primary) !important;
}

/* ================= MODAL FRAME PICKER (ANIMATION STUDIO) ================= */
.studio-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.studio-modal-backdrop.hidden {
  display: none !important;
}

.studio-modal-dialog {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  width: 640px;
  max-width: 95vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  animation: modalPop 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  0% { transform: scale(0.95); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.studio-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}

.studio-modal-header .modal-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
}

.studio-modal-header .modal-title i {
  color: var(--accent-primary);
}

.studio-modal-subbar {
  display: flex;
  gap: 12px;
  padding: 10px 18px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-main);
  align-items: center;
}

.studio-modal-subbar .filter-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.studio-modal-subbar .filter-item.flex-1 {
  flex: 1;
}

.studio-modal-subbar .modal-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.studio-modal-body {
  padding: 16px 18px;
  overflow-y: auto;
  flex: 1;
  min-height: 220px;
  max-height: 420px;
}

.frame-picker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 12px;
}

.frame-picker-card {
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 10px 8px;
  background: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.frame-picker-card:hover {
  border-color: var(--accent-primary);
  background: var(--bg-card);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.2);
}

.frame-picker-thumb {
  width: 56px;
  height: 56px;
  image-rendering: pixelated;
  border-radius: 5px;
  border: 1px solid var(--border-subtle);
  background: repeating-conic-gradient(#cbd5e1 0% 25%, #f8fafc 0% 50%) 50% / 12px 12px;
}

.dark-theme .frame-picker-thumb {
  background: repeating-conic-gradient(#1e293b 0% 25%, #0f172a 0% 50%) 50% / 12px 12px;
}

.frame-picker-card .card-name {
  font-size: 11px;
  font-weight: 600;
  text-align: center;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100px;
}

.frame-picker-card .card-id {
  font-size: 9px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.studio-modal-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}

.manual-id-entry {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ================= ACTION & DIRECTION TEMPLATE & NEW FILE MODALS ================= */
.template-modal-dialog,
.new-file-modal-dialog {
  width: 580px;
  max-width: 95vw;
}

.template-modal-body,
.new-file-modal-body {
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: 70vh;
  overflow-y: auto;
}

.field-hint {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: 2px;
}

.template-section {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.action-chips-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}

.chips-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  margin-right: 2px;
}

.chip-btn {
  border: 1px solid var(--border-subtle);
  background: var(--bg-primary);
  color: var(--text-muted);
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 12px;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: all 0.15s ease;
}

.chip-btn:hover {
  background: var(--bg-card);
  color: var(--text-main);
  border-color: var(--border-medium);
}

.chip-btn.active {
  background: #6366f1;
  color: #ffffff !important;
  border-color: #6366f1;
  font-weight: 600;
}

.template-mode-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.mode-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--btn-radius);
  border: 1px solid var(--border-subtle);
  background: var(--bg-primary);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.mode-toggle-btn:hover {
  background: var(--bg-card);
  color: var(--text-main);
}

.mode-toggle-btn.active {
  background: rgba(16, 185, 129, 0.12);
  border-color: #10b981;
  color: #10b981;
  box-shadow: 0 0 0 1px #10b981;
}

.template-section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}

.template-section-grid .form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.preview-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.template-preview-box {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  max-height: 165px;
  overflow-y: auto;
  padding: 4px 6px;
}

.template-preview-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-family: var(--font-mono);
  border-bottom: 1px solid var(--border-subtle);
}

.template-preview-row:last-child {
  border-bottom: none;
}

.template-preview-row .anim-key {
  font-weight: 600;
  color: var(--accent-primary);
}

.template-preview-row .anim-tag {
  font-size: 11px;
  color: var(--text-muted);
}

.template-notice {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 6px;
}

.template-notice i {
  color: var(--accent-primary);
}

/* ================= GAME EXPORT STUDIO MODAL ================= */
.export-modal-dialog {
  width: 780px;
  max-width: 96vw;
}

.export-modal-body {
  padding: 16px 20px;
  max-height: 78vh;
  overflow-y: auto;
}

.export-columns-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 16px;
}

@media (max-width: 740px) {
  .export-columns-layout {
    grid-template-columns: 1fr;
  }
}

.export-options-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.export-section {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.export-section-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 2px;
}

.export-section-title i {
  color: var(--accent-primary);
}

.export-format-options {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.format-option-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  cursor: pointer;
  transition: all 0.15s ease;
}

.format-option-card:hover {
  border-color: var(--border-medium);
}

.format-option-card.active {
  border-color: #6366f1;
  background: rgba(99, 102, 241, 0.08);
}

.format-card-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.format-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
}

.format-desc {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.3;
}

.export-preview-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.export-preview-viewport {
  background: var(--bg-card);
  background-image: 
    linear-gradient(45deg, rgba(0,0,0,0.04) 25%, transparent 25%), 
    linear-gradient(-45deg, rgba(0,0,0,0.04) 25%, transparent 25%), 
    linear-gradient(45deg, transparent 75%, rgba(0,0,0,0.04) 75%), 
    linear-gradient(-45deg, transparent 75%, rgba(0,0,0,0.04) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  height: 230px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  padding: 12px;
}

body.dark-theme .export-preview-viewport {
  background-image: 
    linear-gradient(45deg, rgba(255,255,255,0.05) 25%, transparent 25%), 
    linear-gradient(-45deg, rgba(255,255,255,0.05) 25%, transparent 25%), 
    linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.05) 75%), 
    linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.05) 75%);
}

#export-preview-canvas {
  image-rendering: pixelated;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
  border: 1px solid var(--border-subtle);
  background: transparent;
  display: block;
  margin: auto;
  flex-shrink: 0;
  transition: width 0.15s, height 0.15s;
}

.export-metadata-summary {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 11px;
  font-family: var(--font-mono);
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.export-metadata-summary .meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
}

.export-metadata-summary .meta-row strong {
  color: var(--text-main);
}

.badge-tag {
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
  font-weight: 600;
  font-size: 10px;
}