:root {
  color-scheme: light;
  --bg: #d7d7d7;
  --bg-dark: #bcbcbc;
  --bg-light: #eeeeee;
  --ink: #1a1a1a;
  --shadow: #6f6f6f;
  --highlight: #ffffff;
  --accent: #6b6b6b;
  --menu-height: 26px;
  --status-height: 24px;
  --palette-width: 120px;
  --tool-width: 96px;
}

* {
  box-sizing: border-box;
}

.hidden {
  display: none !important;
}

html,
body {
  height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Chicago", "Geneva", "Monaco", "Lucida Grande", sans-serif;
  font-size: 13px;
}

#app {
  height: 100%;
  display: grid;
  grid-template-rows: var(--menu-height) 1fr var(--status-height);
  background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.35), rgba(255, 255, 255, 0) 40%),
    repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.02) 1px, transparent 1px, transparent 3px);
}

.menu-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 8px;
  border-bottom: 2px solid var(--shadow);
  background: linear-gradient(#f0f0f0, #cfcfcf);
  box-shadow: inset 0 1px 0 var(--highlight);
  color: var(--ink);
}

.menu {
  position: relative;
  padding: 4px 8px;
  border-radius: 2px;
  user-select: none;
  cursor: default;
}

.menu.active {
  background: var(--ink);
  color: var(--bg-light);
}

.menu-dropdown {
  position: absolute;
  top: calc(100% + 2px);
  left: 0;
  min-width: 160px;
  background: var(--bg-light);
  color: var(--ink);
  border: 2px solid var(--shadow);
  box-shadow: 2px 2px 0 var(--shadow);
  padding: 4px 0;
  display: none;
  z-index: 50;
}

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

.menu-item {
  padding: 4px 12px;
  white-space: nowrap;
  position: relative;
}

.menu-item:hover {
  background: var(--ink);
  color: var(--bg-light);
}

.menu-item.has-submenu {
  padding-right: 22px;
}

.menu-item.has-submenu::after {
  content: ">";
  position: absolute;
  right: 8px;
  top: 4px;
  font-size: 11px;
}

.menu-submenu {
  top: -4px;
  left: calc(100% - 4px);
  display: none;
}

.menu-item:hover > .menu-submenu {
  display: block;
}

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

.workspace {
  display: grid;
  grid-template-columns: var(--tool-width) 1fr var(--palette-width);
  gap: 10px;
  padding: 10px;
}

.tool-palette {
  background: var(--bg-light);
  border: 2px solid var(--shadow);
  box-shadow: inset 1px 1px 0 var(--highlight);
  padding: 6px;
  display: grid;
  gap: 6px;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: 44px;
  cursor: move;
  touch-action: none;
}

.tool-button {
  display: grid;
  place-items: center;
  border: 2px solid var(--shadow);
  background: var(--bg);
  box-shadow: inset 1px 1px 0 var(--highlight);
  color: var(--ink);
  font-size: 12px;
  letter-spacing: 0.5px;
  cursor: pointer;
  text-transform: uppercase;
}

.tool-button.icon-button {
  padding: 0;
  font-size: 0;
}

.tool-button.icon-button svg {
  width: 26px;
  height: 26px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.brush-button {
  font-size: 0;
  padding: 0;
}

.brush-tip {
  border-radius: 50%;
  background: var(--ink);
  margin: auto;
}

.tool-button.active {
  background: var(--ink);
  color: var(--bg-light);
}

.document-area {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  position: relative;
}

.document-window {
  background: var(--bg-light);
  border: 2px solid var(--shadow);
  box-shadow: 2px 2px 0 var(--shadow);
  display: grid;
  grid-template-rows: 22px 1fr;
  min-width: 560px;
  min-height: 320px;
  position: relative;
  resize: both;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

.title-bar {
  background: linear-gradient(#b7b7b7, #9f9f9f);
  color: #101010;
  padding: 2px 8px;
  font-size: 12px;
  border-bottom: 2px solid var(--shadow);
  cursor: move;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

.document-canvas-wrap {
  padding: 12px;
  height: 100%;
  width: 100%;
  max-height: none;
  max-width: none;
  overflow: auto;
  background: repeating-linear-gradient(45deg, #f6f6f6, #f6f6f6 6px, #ededed 6px, #ededed 12px);
  display: grid;
  grid-template-columns: 24px max-content;
  grid-template-rows: 24px max-content;
  align-items: start;
  gap: 0;
}

.window-resize-handle {
  position: absolute;
  right: 2px;
  bottom: 2px;
  width: 16px;
  height: 16px;
  cursor: se-resize;
  background: repeating-linear-gradient(
    135deg,
    transparent 0 5px,
    var(--shadow) 5px 6px
  );
}

.ruler {
  background: #e6e6e6;
}

.ruler-horizontal {
  grid-column: 2;
  grid-row: 1;
  height: 24px;
  position: sticky;
  top: 0;
  z-index: 2;
}

.ruler-vertical {
  grid-column: 1;
  grid-row: 2;
  width: 24px;
  position: sticky;
  left: 0;
  z-index: 2;
}

.ruler-corner {
  grid-column: 1;
  grid-row: 1;
  width: 24px;
  height: 24px;
  background: #d9d9d9;
  border-right: 1px solid #8a8a8a;
  border-bottom: 1px solid #8a8a8a;
  position: sticky;
  top: 0;
  left: 0;
  z-index: 3;
}

.canvas-stack {
  grid-column: 2;
  grid-row: 2;
  position: relative;
  width: max-content;
  height: max-content;
}

.canvas-stack canvas {
  display: block;
}

#overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: transparent;
}

canvas {
  background: #ffffff;
  border: 1px solid #8a8a8a;
  image-rendering: pixelated;
}

.side-palettes {
  display: grid;
  gap: 10px;
}

.palette {
  background: var(--bg-light);
  border: 2px solid var(--shadow);
  box-shadow: inset 1px 1px 0 var(--highlight);
}

.palette-title {
  padding: 4px 6px;
  border-bottom: 2px solid var(--shadow);
  background: linear-gradient(#ededed, #cfcfcf);
  cursor: move;
  touch-action: none;
}

.draggable {
  position: relative;
}

.dragging {
  z-index: 20;
}

.palette-body {
  min-height: 120px;
}

.coords-body {
  padding: 8px;
  min-height: auto;
}

.coords-row {
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 4px;
}

.coords-values {
  display: flex;
  gap: 6px;
  font-variant-numeric: tabular-nums;
}

.coords-values span {
  min-width: 18px;
  text-align: right;
}

.color-panel {
  display: grid;
  gap: 8px;
  padding: 8px;
}

.color-row {
  display: grid;
  grid-template-columns: 48px 1fr;
  align-items: center;
  gap: 8px;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.2);
  display: grid;
  place-items: center;
  z-index: 200;
}

.modal-window {
  min-width: 280px;
  max-width: 440px;
  background: var(--bg-light);
  border: 2px solid var(--shadow);
  box-shadow: 3px 3px 0 var(--shadow);
  padding: 12px;
}

.modal-title {
  font-weight: 600;
  margin-bottom: 8px;
}

.modal-body {
  line-height: 1.4;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 12px;
}

.modal-button {
  border: 2px solid var(--shadow);
  background: var(--bg);
  box-shadow: inset 1px 1px 0 var(--highlight);
  padding: 4px 10px;
  cursor: pointer;
}

.modal-field {
  display: grid;
  grid-template-columns: 120px 1fr;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}

.balance-dialog {
  display: grid;
  gap: 10px;
}

.balance-rows {
  display: grid;
  gap: 6px;
}

.balance-row {
  display: grid;
  grid-template-columns: 70px 1fr 70px 48px;
  align-items: center;
  gap: 6px;
}

.balance-label {
  text-align: right;
}

.balance-label-right {
  text-align: left;
}

.balance-slider {
  width: 100%;
}

.balance-value {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.balance-bands {
  display: flex;
  gap: 12px;
  align-items: center;
}

.balance-band {
  display: flex;
  align-items: center;
  gap: 6px;
}

.balance-preview {
  display: flex;
  align-items: center;
  gap: 6px;
}

.levels-dialog {
  display: grid;
  gap: 8px;
}

.levels-histogram {
  border: 1px solid var(--shadow);
  background: #f5f5f5;
}

.levels-label {
  font-weight: 600;
}

.levels-slider {
  position: relative;
  height: 16px;
  width: 256px;
  background: linear-gradient(90deg, #000, #fff);
  border: 1px solid var(--shadow);
  box-shadow: inset 1px 1px 0 var(--highlight);
}

.levels-slider-output {
  height: 12px;
}

.levels-handle {
  position: absolute;
  top: -6px;
  width: 8px;
  height: 16px;
  background: var(--ink);
  border: 1px solid var(--shadow);
  box-shadow: inset 1px 1px 0 var(--highlight);
  cursor: ew-resize;
}

.levels-handle-mid {
  background: #5a5a5a;
}

.levels-handle-output {
  top: -2px;
}

.levels-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  width: 256px;
}

.levels-values-output {
  grid-template-columns: repeat(2, 1fr);
}

.levels-value {
  border: 1px solid var(--shadow);
  background: var(--bg);
  box-shadow: inset 1px 1px 0 var(--highlight);
  padding: 2px 4px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.levels-bands {
  display: flex;
  gap: 12px;
  align-items: center;
}

.levels-band {
  display: flex;
  align-items: center;
  gap: 6px;
}

.levels-preview {
  display: flex;
  align-items: center;
  gap: 6px;
}

.indexed-dialog {
  display: grid;
  gap: 10px;
}

.indexed-group {
  display: grid;
  gap: 4px;
}

.indexed-title {
  font-weight: 600;
}

.indexed-option {
  display: flex;
  align-items: center;
  gap: 6px;
}

.indexed-option.disabled {
  opacity: 0.6;
}

.histogram-dialog {
  display: grid;
  gap: 8px;
}

.histogram-canvas {
  border: 1px solid var(--shadow);
  background: #f5f5f5;
}

.histogram-bands {
  display: flex;
  gap: 10px;
  align-items: center;
}

.histogram-band {
  display: flex;
  align-items: center;
  gap: 6px;
}

.histogram-stats,
.histogram-levels {
  display: grid;
  gap: 4px;
}

.histogram-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 6px;
  align-items: center;
}

.histogram-label {
  text-align: right;
}

.histogram-value {
  border: 1px solid var(--shadow);
  background: var(--bg);
  box-shadow: inset 1px 1px 0 var(--highlight);
  padding: 2px 4px;
  font-variant-numeric: tabular-nums;
}

.bitmap-dialog {
  display: grid;
  gap: 8px;
}

.bitmap-methods {
  display: grid;
  gap: 4px;
}

.bitmap-option {
  display: flex;
  align-items: center;
  gap: 6px;
}

.bitmap-option.disabled {
  opacity: 0.6;
}

.bitmap-screen-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.bitmap-screen-row.disabled {
  opacity: 0.6;
}

.bitmap-screen-summary {
  font-size: 12px;
  color: var(--ink);
}

.halftone-screens-dialog {
  display: grid;
  gap: 8px;
}

.halftone-grid {
  display: grid;
  grid-template-columns: 90px 90px 90px 1fr;
  gap: 6px 8px;
  align-items: center;
}

.halftone-cell {
  font-size: 12px;
}

.halftone-input {
  width: 100%;
  max-width: 120px;
}

.halftone-input.disabled {
  opacity: 0.6;
}

.transfer-grid {
  display: grid;
  gap: 6px 10px;
  align-items: center;
  margin-top: 4px;
}

.transfer-header {
  font-weight: 600;
  text-align: center;
}

.transfer-label {
  text-align: right;
  padding-right: 4px;
}

.transfer-input {
  width: 100%;
  max-width: 72px;
}

.transfer-buttons {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.separation-title {
  margin-top: 10px;
  font-weight: 600;
}

.separation-grid {
  display: grid;
  grid-template-columns: 80px 80px 80px;
  gap: 6px 8px;
  align-items: center;
  margin-top: 6px;
}

.separation-header {
  font-weight: 600;
  text-align: center;
}

.separation-label {
  text-align: right;
  padding-right: 4px;
}

.separation-grid input[type="color"] {
  width: 64px;
  height: 24px;
  padding: 0;
  border: 2px solid var(--shadow);
  background: var(--bg);
}

.progress-window {
  min-width: 240px;
  background: var(--bg-light);
  border: 2px solid var(--shadow);
  box-shadow: 3px 3px 0 var(--shadow);
  padding: 12px;
}

.progress-bar {
  height: 10px;
  border: 2px solid var(--shadow);
  background: var(--bg);
  margin-top: 8px;
  position: relative;
}

.progress-bar-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0%;
  background: #3a3a3a;
}

.color-swatch {
  width: 36px;
  height: 36px;
  border: 2px solid var(--shadow);
  box-shadow: inset 1px 1px 0 var(--highlight);
  background: #000000;
  cursor: pointer;
}

.color-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.color-table-grid {
  display: grid;
  grid-template-columns: repeat(16, 1fr);
  gap: 2px;
  padding: 6px;
  background: #d0d0d0;
  border: 1px solid var(--shadow);
  margin-bottom: 8px;
}

.color-table-swatch {
  width: 18px;
  height: 18px;
  border: 1px solid #3a3a3a;
  padding: 0;
  cursor: pointer;
  background: #000000;
}

.color-table-swatch.active {
  outline: 2px solid #1f1f1f;
  outline-offset: -1px;
}

.color-table-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 8px;
  border-top: 2px solid var(--shadow);
  background: linear-gradient(#cfcfcf, #b7b7b7);
}

@media (max-width: 900px) {
  .workspace {
    grid-template-columns: var(--tool-width) 1fr;
  }

  .side-palettes {
    display: none;
  }
}