/* PixelChomper — CodeChomper brand theme */
:root {
  --bg-primary: #1a1a1a;
  --bg-secondary: #222222;
  --bg-tertiary: #2a2a2a;
  --bg-hover: #333333;
  --bg-active: #444444;
  --border-color: #303030;
  --text-primary: #dddddd;
  --text-secondary: #aaaaaa;
  --text-muted: #777777;
  --accent: #8cc641;
  --accent-hover: #9ed44a;
  --accent-secondary: #bf4e30;
  --accent-tertiary: #5e772c;
  --danger: #bf4e30;
  --success: #8cc641;
  --warning: #d4a017;
  --toolbar-width: 40px;
  --menubar-height: 28px;
  --tooloptions-height: 32px;
  --statusbar-height: 24px;
  --timeline-height: 130px;
  --panel-width: 200px;
  --font-size: 12px;
  --font-family: 'Space Grotesk', Georgia, sans-serif;
  --font-heading: 'Archivo Black', Arial, sans-serif;
  --font-mono: 'Consolas', 'Monaco', monospace;
  --checker-light: #3a3a3a;
  --checker-dark: #2e2e2e;
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size);
  user-select: none;
  -webkit-user-select: none;
}

#app {
  display: grid;
  width: 100%;
  height: 100%;
  grid-template-rows: var(--menubar-height) var(--tooloptions-height) 1fr 5px var(--timeline-height) var(--statusbar-height);
  grid-template-columns: var(--toolbar-width) 1fr var(--panel-width);
  grid-template-areas:
    "menubar   menubar      menubar"
    "toolbar   tooloptions  panel"
    "toolbar   canvas       panel"
    "toolbar   resizer      panel"
    "toolbar   timeline     panel"
    "statusbar statusbar    statusbar";
}

#timeline-resizer {
  grid-area: resizer;
  background: var(--border-color);
  cursor: ns-resize;
  transition: background 0.1s;
}

#timeline-resizer:hover,
#timeline-resizer.dragging {
  background: var(--accent);
}

/* Menu Bar */
#menubar {
  grid-area: menubar;
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0 4px;
  gap: 2px;
  z-index: 100;
}

.menu-item {
  padding: 4px 10px;
  cursor: pointer;
  border-radius: 3px;
  font-size: var(--font-size);
  color: var(--text-secondary);
}

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

.menu-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.menu-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 4px 0;
  min-width: 180px;
  z-index: 200;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
  display: none;
}

.menu-dropdown.open {
  display: block;
}

.menu-dropdown-item {
  padding: 5px 20px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  color: var(--text-secondary);
}

.menu-dropdown-item:hover {
  background: var(--accent);
  color: #fff;
}

.menu-dropdown-item .shortcut {
  color: var(--text-muted);
  margin-left: 20px;
  font-size: 11px;
}

.menu-dropdown-item:hover .shortcut {
  color: rgba(255,255,255,0.7);
}

.menu-separator {
  height: 1px;
  background: var(--border-color);
  margin: 4px 8px;
}

/* Toolbar (left) */
#toolbar {
  grid-area: toolbar;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  padding: 4px 0;
  gap: 2px;
  overflow-y: auto;
}

.tool-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 4px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-family: var(--font-mono);
  position: relative;
}

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

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

.tool-btn .tool-shortcut {
  position: absolute;
  bottom: 1px;
  right: 2px;
  font-size: 8px;
  color: var(--text-muted);
  pointer-events: none;
}

.tool-btn.active .tool-shortcut {
  color: rgba(255,255,255,0.6);
}

/* Tool Options Bar */
#tooloptions {
  grid-area: tooloptions;
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0 8px;
  gap: 12px;
}

#tooloptions label {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text-secondary);
  font-size: 11px;
}

#tooloptions input[type="range"] {
  width: 80px;
  accent-color: var(--accent);
  height: 14px;
}

#tooloptions input[type="number"] {
  width: 40px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 3px;
  padding: 2px 4px;
  font-size: 11px;
  text-align: center;
}

#tooloptions select {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 3px;
  padding: 2px 4px;
  font-size: 11px;
}

/* Canvas Area */
#canvas-area {
  grid-area: canvas;
  position: relative;
  overflow: hidden;
  background: var(--bg-primary);
  cursor: crosshair;
}

#canvas-area canvas {
  position: absolute;
  top: 0;
  left: 0;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

/* Right Panel */
#panel {
  grid-area: panel;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.panel-section {
  padding: 8px;
  border-bottom: 1px solid var(--border-color);
}

.panel-section-title {
  font-size: 10px;
  font-family: var(--font-heading);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}

/* Color swatches */
.color-swatches {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.color-swatch-stack {
  position: relative;
  width: 40px;
  height: 40px;
}

.color-swatch {
  width: 28px;
  height: 28px;
  border: 2px solid var(--border-color);
  border-radius: 3px;
  cursor: pointer;
  position: absolute;
}

.color-swatch.fg {
  top: 0;
  left: 0;
  z-index: 2;
}

.color-swatch.bg {
  bottom: 0;
  right: 0;
  z-index: 1;
}

.color-swap-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
  padding: 2px;
}

.color-swap-btn:hover {
  color: var(--text-primary);
}

/* Palette Grid */
.palette-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 1px;
}

.palette-color {
  aspect-ratio: 1;
  border: 1px solid transparent;
  cursor: pointer;
  border-radius: 1px;
}

.palette-color:hover {
  border-color: #fff;
  z-index: 1;
}

.palette-color.selected {
  border-color: #fff;
  box-shadow: 0 0 0 1px var(--accent);
}

/* Status Bar */
#statusbar {
  grid-area: statusbar;
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 0 8px;
  gap: 16px;
  font-size: 11px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.status-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Dialog / Modal */
.dialog-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.dialog {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 16px;
  min-width: 280px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.dialog-title {
  font-size: 14px;
  font-weight: 400;
  font-family: var(--font-heading);
  margin-bottom: 12px;
  color: var(--text-primary);
}

.dialog-body {
  margin-bottom: 16px;
}

.dialog-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.dialog-row label {
  color: var(--text-secondary);
}

.dialog-row input, .dialog-row select {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 3px;
  padding: 4px 8px;
  width: 80px;
  font-size: 12px;
}

.dialog-row input[type="color"] {
  width: 40px;
  height: 28px;
  padding: 2px;
  cursor: pointer;
}

.dialog-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.btn {
  padding: 6px 16px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

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

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

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

/* Color Picker */
.color-picker {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
}

.color-picker canvas {
  border-radius: 3px;
}

.color-picker-container {
  margin-top: 4px;
  border-top: 1px solid var(--border-color);
  padding-top: 4px;
}

.color-picker-harmony-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  color: var(--text-secondary);
  margin: 4px 0 2px;
}

.color-picker-harmony-select {
  flex: 1;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 3px;
  padding: 1px 4px;
  font-size: 10px;
}

.color-picker-hex-row {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-secondary);
  width: 100%;
}

.color-picker-hex {
  flex: 1;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 3px;
  padding: 2px 6px;
  font-size: 11px;
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.color-picker-rgba-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
  width: 100%;
}

.color-picker-channel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.color-picker-channel span {
  font-size: 9px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.color-picker-channel-input {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 3px;
  padding: 2px 2px;
  font-size: 10px;
  text-align: center;
  font-family: var(--font-mono);
}

/* Swatch active state */
.color-swatch.picker-active {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

/* Shading ink label */
.color-shading-label {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 10px;
  color: var(--text-muted);
  cursor: pointer;
  margin-left: auto;
  user-select: none;
}

/* Recent colors */
.recent-colors {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
}

.recent-color {
  width: 18px;
  height: 18px;
  border: 1px solid var(--border-color);
  border-radius: 2px;
  cursor: pointer;
}

.recent-color:hover {
  border-color: var(--text-primary);
}

/* Palette title row */
.palette-title-row {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 6px;
}

.palette-title-row .panel-section-title {
  margin-bottom: 0;
  flex: 1;
}

.palette-preset-select {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 3px;
  padding: 1px 2px;
  font-size: 10px;
  max-width: 72px;
}

.palette-btn {
  padding: 1px 5px;
  font-size: 13px;
  min-width: 20px;
  line-height: 1;
}

/* Help Dialog */
.help-dialog {
  min-width: 560px;
  max-width: 700px;
}

.help-dialog-body {
  display: flex;
  gap: 24px;
  margin-bottom: 16px;
}

.help-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.help-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.help-table caption {
  text-align: left;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 4px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border-color);
}

.help-table th {
  text-align: left;
  color: var(--text-secondary);
  font-weight: 500;
  padding: 3px 6px;
  border-bottom: 1px solid var(--border-color);
}

.help-table td {
  padding: 3px 6px;
  color: var(--text-primary);
}

.help-table td:last-child {
  color: var(--text-secondary);
  font-family: monospace;
  white-space: nowrap;
}

.help-table tr:hover td {
  background: var(--bg-tertiary);
}

/* ── Layer Panel ──────────────────────────────────────── */

.layer-panel {
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.layer-panel-header {
  padding: 6px 8px;
  font-size: 11px;
  font-family: var(--font-heading);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.layer-controls-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 8px 6px;
}

.layer-blend-select {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 3px;
  padding: 2px 4px;
  font-size: 10px;
  width: 100%;
}

.layer-opacity-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
  width: 100%;
}

.layer-opacity-label {
  font-size: 10px;
  color: var(--text-muted);
}

.layer-opacity-slider {
  flex: 1;
  height: 12px;
  cursor: pointer;
}

.layer-opacity-value {
  font-size: 10px;
  color: var(--text-secondary);
  min-width: 30px;
  text-align: right;
}

.layer-list {
  flex: 1;
  overflow-y: auto;
  min-height: 60px;
  max-height: 200px;
}

.layer-row {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  cursor: pointer;
  border-bottom: 1px solid var(--border-color);
  user-select: none;
}

.layer-row:hover {
  background: var(--bg-hover);
}

.layer-row.active {
  background: var(--bg-active);
  border-left: 2px solid var(--accent);
  padding-left: 6px;
}

.layer-row.dragging {
  opacity: 0.4;
}

.layer-row.drag-over {
  border-top: 2px solid var(--accent);
}

.layer-eye-btn,
.layer-lock-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 12px;
  padding: 1px 2px;
  line-height: 1;
  min-width: 18px;
  text-align: center;
}

.layer-eye-btn:hover,
.layer-lock-btn:hover {
  color: var(--text-primary);
}

.layer-eye-btn.hidden {
  opacity: 0.3;
}

.layer-lock-btn.locked {
  color: var(--warning);
}

.layer-thumbnail {
  border: 1px solid var(--border-color);
  border-radius: 2px;
  image-rendering: pixelated;
}

.layer-name {
  flex: 1;
  font-size: 11px;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.layer-name-input {
  flex: 1;
  font-size: 11px;
  background: var(--bg-tertiary);
  border: 1px solid var(--accent);
  color: var(--text-primary);
  border-radius: 2px;
  padding: 1px 4px;
  outline: none;
}

.layer-actions {
  display: flex;
  gap: 2px;
  padding: 4px 8px;
  border-top: 1px solid var(--border-color);
}

.layer-action-btn {
  flex: 1;
  padding: 3px 0;
  font-size: 13px;
  text-align: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 3px;
  cursor: pointer;
}

.layer-action-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--bg-hover);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--bg-active);
}

/* ── Timeline ─────────────────────────────────────────── */

#timeline {
  grid-area: timeline;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.timeline {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.timeline-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  flex-shrink: 0;
}

.timeline-btn {
  padding: 2px 8px;
  font-size: 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 3px;
  cursor: pointer;
  line-height: 1.4;
}

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

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

.timeline-label {
  font-size: 10px;
  color: var(--text-muted);
  white-space: nowrap;
}

.timeline-onion-label {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 3px;
}

.timeline-select {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 3px;
  padding: 1px 3px;
  font-size: 10px;
}

.timeline-input-num {
  width: 36px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 3px;
  padding: 1px 4px;
  font-size: 10px;
  text-align: center;
}

.timeline-grid-wrap {
  flex: 1;
  overflow: auto;
}

.timeline-grid {
  display: grid;
  width: max-content;
  min-width: 100%;
}

.timeline-corner {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 2px 4px;
  font-size: 10px;
  color: var(--text-muted);
  text-align: center;
}

.timeline-frame-header {
  background: var(--bg-tertiary);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 2px 0;
  font-size: 10px;
  color: var(--text-secondary);
  text-align: center;
  cursor: pointer;
  user-select: none;
  min-height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.timeline-frame-header:hover {
  background: var(--bg-hover);
}

.timeline-frame-header.active {
  background: var(--accent);
  color: #fff;
}

.timeline-layer-label {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 2px 4px;
  font-size: 10px;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: flex;
  align-items: center;
}

.timeline-layer-label:hover {
  background: var(--bg-hover);
}

.timeline-layer-label.active {
  color: var(--accent);
  font-weight: 600;
  border-left: 2px solid var(--accent);
  padding-left: 2px;
}

.timeline-cell {
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px;
  background: var(--bg-primary);
}

.timeline-cell:hover {
  background: var(--bg-hover);
}

.timeline-cell.active {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.timeline-thumb {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  border-radius: 1px;
}