:root {
  color-scheme: light;
  font-family: "MS Sans Serif", Tahoma, sans-serif;
  font-size: 13px;
  --button-face: #d4d0c8;
  --button-highlight: #ffffff;
  --button-light: #dfdfdf;
  --button-shadow: #808080;
  --button-dark-shadow: #404040;
  --window: #ffffff;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  min-width: 640px;
  min-height: 480px;
  margin: 0;
  overflow: auto;
}

body {
  color: #000;
  background: var(--button-face);
}

button,
input,
output,
textarea {
  font: inherit;
}

button {
  color: #000;
}

.editor {
  display: grid;
  grid-template-columns: minmax(418px, 1fr) 222px;
  grid-template-rows: 33px 28px minmax(419px, 1fr);
  width: 100%;
  height: 100%;
  min-width: 640px;
  min-height: 480px;
  background: var(--button-face);
}

.toolbar {
  position: relative;
  grid-column: 1 / 3;
  grid-row: 1;
  min-width: 640px;
  border: 1px solid;
  border-color: var(--button-highlight) var(--button-shadow) var(--button-shadow) var(--button-highlight);
  background: var(--button-face);
}

.speed-button {
  position: absolute;
  top: 3px;
  left: var(--x);
  display: grid;
  width: 25px;
  height: 25px;
  padding: 0;
  place-items: center;
  border: 1px solid transparent;
  background: transparent;
}

.speed-button.right-anchored {
  right: var(--right);
  left: auto;
}

.speed-button:hover:not(:disabled),
.speed-button:focus-visible {
  border-color: var(--button-highlight) var(--button-shadow) var(--button-shadow) var(--button-highlight);
  outline: 0;
}

.speed-button:active:not(:disabled) {
  border-color: var(--button-shadow) var(--button-highlight) var(--button-highlight) var(--button-shadow);
}

.speed-button:active:not(:disabled) img {
  transform: translate(1px, 1px);
}

.speed-button img {
  display: block;
  width: auto;
  height: auto;
  image-rendering: pixelated;
}

.speed-button:disabled img,
.play-button:disabled img {
  filter: grayscale(1) opacity(0.55) drop-shadow(1px 1px var(--button-highlight));
}

#close-file:disabled img {
  filter: none;
  opacity: 1;
}

.play-button {
  position: absolute;
  top: 1px;
  right: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 88px;
  height: 28px;
  padding: 2px 10px;
  border: 2px solid;
  border-color: var(--button-highlight) var(--button-dark-shadow) var(--button-dark-shadow) var(--button-highlight);
  background: var(--button-face);
}

.play-button::before {
  position: absolute;
  inset: 0;
  border: 1px solid;
  border-color: var(--button-light) var(--button-shadow) var(--button-shadow) var(--button-light);
  content: "";
  pointer-events: none;
}

.play-button:active:not(:disabled) {
  padding: 3px 9px 1px 11px;
  border-color: var(--button-dark-shadow) var(--button-highlight) var(--button-highlight) var(--button-dark-shadow);
}

.play-button img {
  width: auto;
  height: auto;
  image-rendering: pixelated;
}

.play-button:disabled {
  color: var(--button-shadow);
  text-shadow: 1px 1px var(--button-highlight);
}

.document-tabs {
  grid-column: 1;
  grid-row: 2;
  position: relative;
  padding: 3px 2px 0;
  border-bottom: 1px solid var(--button-shadow);
  background: var(--button-face);
  overflow: hidden;
}

.document-tab {
  min-width: 92px;
  height: 25px;
  margin: 0;
  padding: 2px 10px 1px;
  border: 1px solid;
  border-color: var(--button-highlight) var(--button-dark-shadow) var(--button-face) var(--button-highlight);
  border-radius: 2px 2px 0 0;
  background: var(--button-face);
  white-space: nowrap;
}

.board-region {
  display: grid;
  grid-column: 1;
  grid-row: 3;
  grid-template-columns: minmax(400px, 1fr) 18px;
  grid-template-rows: minmax(400px, 1fr) 19px;
  min-width: 418px;
  min-height: 419px;
}

.board-viewport {
  grid-column: 1;
  grid-row: 1;
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: #000;
}

#board {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  cursor: default;
  touch-action: none;
}

#board[data-cursor="move"] {
  cursor: move;
}

.classic-scrollbar {
  display: flex;
  background: var(--button-face);
}

.classic-scrollbar.vertical {
  grid-column: 2;
  grid-row: 1;
  flex-direction: column;
}

.classic-scrollbar.horizontal {
  grid-column: 1;
  grid-row: 2;
}

.classic-scrollbar button {
  position: relative;
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  padding: 0;
  border: 1px solid;
  border-color: var(--button-highlight) var(--button-dark-shadow) var(--button-dark-shadow) var(--button-highlight);
  background: var(--button-face);
  color: transparent;
  line-height: 16px;
}

.classic-scrollbar.horizontal button {
  flex-basis: 19px;
  width: 19px;
  height: 19px;
}

.classic-scrollbar button:active {
  border-color: var(--button-dark-shadow) var(--button-highlight) var(--button-highlight) var(--button-dark-shadow);
}

.classic-scrollbar button::after {
  position: absolute;
  width: 0;
  height: 0;
  content: "";
}

#board-scroll-up::after,
#palette-scroll-up::after {
  top: 5px;
  left: 5px;
  border-right: 3px solid transparent;
  border-bottom: 5px solid #000;
  border-left: 3px solid transparent;
}

#board-scroll-down::after,
#palette-scroll-down::after {
  top: 6px;
  left: 5px;
  border-top: 5px solid #000;
  border-right: 3px solid transparent;
  border-left: 3px solid transparent;
}

#board-scroll-left::after,
#palette-scroll-left::after {
  top: 5px;
  left: 5px;
  border-top: 3px solid transparent;
  border-right: 5px solid #000;
  border-bottom: 3px solid transparent;
}

#board-scroll-right::after,
#palette-scroll-right::after {
  top: 5px;
  left: 6px;
  border-top: 3px solid transparent;
  border-bottom: 3px solid transparent;
  border-left: 5px solid #000;
}

.scroll-track {
  position: relative;
  flex: 1;
  min-width: 0;
  min-height: 0;
  background-color: #dfdfdf;
  background-image:
    linear-gradient(45deg, #fff 25%, transparent 25%),
    linear-gradient(-45deg, #fff 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #fff 75%),
    linear-gradient(-45deg, transparent 75%, #fff 75%);
  background-position: 0 0, 0 2px, 2px -2px, -2px 0;
  background-size: 4px 4px;
}

.scroll-thumb {
  position: absolute;
  display: block;
  border: 1px solid;
  border-color: var(--button-highlight) var(--button-dark-shadow) var(--button-dark-shadow) var(--button-highlight);
  background: var(--button-face);
  touch-action: none;
}

.vertical-track .scroll-thumb {
  top: 0;
  right: 0;
  left: 0;
  min-height: 24px;
}

.horizontal-track .scroll-thumb {
  top: 0;
  bottom: 0;
  left: 0;
  min-width: 28px;
}

.scrollbar-corner {
  grid-column: 2;
  grid-row: 2;
  background: var(--button-face);
}

.side-panel {
  display: flex;
  flex-direction: column;
  grid-column: 2;
  grid-row: 2 / 4;
  min-width: 222px;
  min-height: 447px;
  background: var(--button-face);
}

.mode-options {
  display: grid;
  align-content: start;
  gap: 3px;
  height: 96px;
  margin: 0;
  padding: 7px 10px 4px 16px;
  border: 0;
}

.mode-options label,
.view-options label {
  display: flex;
  align-items: center;
  min-height: 17px;
  white-space: nowrap;
}

input[type="radio"],
input[type="checkbox"] {
  appearance: none;
  width: 13px;
  height: 13px;
  margin: 0 5px 0 0;
  border: 1px solid var(--button-shadow);
  background: var(--window);
  box-shadow: inset 1px 1px var(--button-dark-shadow), inset -1px -1px var(--button-highlight);
}

input[type="radio"] {
  border-radius: 50%;
}

input[type="radio"]:checked {
  background:
    radial-gradient(circle at center, #000 0 3px, transparent 3.5px),
    var(--window);
}

input[type="checkbox"]:checked {
  background-color: var(--window);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='9' height='9' viewBox='0 0 9 9'%3E%3Cpath d='M1 4.5 3.4 7 8 1' fill='none' stroke='%23000' stroke-width='1.7'/%3E%3C/svg%3E");
  background-position: center;
  background-repeat: no-repeat;
}

.palette-region {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 18px;
  grid-template-rows: minmax(0, 1fr) 18px;
  flex: 1 1 530px;
  max-height: 530px;
  min-width: 0;
  min-height: 257px;
  margin: 0;
  background: #000;
}

.palette-viewport {
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: #000;
}

.palette-vertical {
  grid-column: 2;
  grid-row: 1;
}

.palette-horizontal {
  grid-column: 1;
  grid-row: 2;
}

.palette-corner {
  grid-column: 2;
  grid-row: 2;
  display: grid;
  place-items: center;
  background: #000;
}

#selected-tile-preview {
  display: block;
  width: 16px;
  height: 16px;
  image-rendering: pixelated;
}

#tileset {
  display: block;
  transform: translate(0, 0);
  transform-origin: top left;
  width: 2048px;
  height: 512px;
  image-rendering: pixelated;
  cursor: crosshair;
  touch-action: none;
}

.view-options {
  display: grid;
  grid-template-rows: repeat(4, 16px);
  align-content: start;
  padding: 0 8px;
  background: var(--button-face);
}

.status-panel {
  display: flex;
  flex: 0 0 30px;
  align-items: center;
  margin-top: auto;
  padding: 5px 0 1px 8px;
  background: var(--button-face);
}

#status {
  display: block;
  width: 214px;
  height: 23px;
  padding: 3px 5px;
  overflow: hidden;
  border: 1px solid;
  border-color: var(--button-shadow) var(--button-highlight) var(--button-highlight) var(--button-shadow);
  background: var(--button-face);
  white-space: nowrap;
}

.classic-dialog {
  box-sizing: border-box;
  margin: auto;
  padding: 0;
  overflow: hidden;
  border: 2px solid;
  border-color: var(--button-highlight) var(--button-dark-shadow) var(--button-dark-shadow) var(--button-highlight);
  background: var(--button-face);
  color: #000;
  box-shadow: 1px 1px #000;
}

.classic-dialog::backdrop {
  background: rgba(0, 0, 0, 0.12);
}

.dialog-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 22px;
  padding: 2px 2px 2px 4px;
  background: #000080;
  color: #fff;
  font-weight: 700;
  line-height: 18px;
}

.dialog-close {
  display: grid;
  width: 18px;
  height: 18px;
  padding: 0 0 2px;
  place-items: center;
  border: 1px solid;
  border-color: var(--button-highlight) var(--button-dark-shadow) var(--button-dark-shadow) var(--button-highlight);
  background: var(--button-face);
  color: #000;
  font: 700 14px/14px Arial, sans-serif;
}

.dialog-close:active,
.classic-push-button:active {
  border-color: var(--button-dark-shadow) var(--button-highlight) var(--button-highlight) var(--button-dark-shadow);
}

.dialog-client {
  position: relative;
  width: 100%;
  height: calc(100% - 22px);
  margin: 0;
  padding: 0;
}

.classic-push-button {
  position: absolute;
  height: 28px;
  padding: 2px 10px;
  border: 2px solid;
  border-color: var(--button-highlight) var(--button-dark-shadow) var(--button-dark-shadow) var(--button-highlight);
  background: var(--button-face);
}

.classic-push-button:focus-visible {
  outline: 1px dotted #000;
  outline-offset: -5px;
}

.tiles-array-dialog {
  width: 466px;
  height: 384px;
}

.tiles-array-group {
  position: absolute;
  top: 8px;
  left: 8px;
  width: 441px;
  height: 305px;
  margin: 0;
  padding: 0;
  border: 1px solid;
  border-color: var(--button-shadow) var(--button-highlight) var(--button-highlight) var(--button-shadow);
}

.tiles-array-group legend {
  margin-left: 8px;
  padding: 0 3px;
}

.tiles-array-line,
.tiles-array-script {
  position: absolute;
  left: 15px;
  width: 409px;
  border: 2px solid;
  border-color: var(--button-shadow) var(--button-highlight) var(--button-highlight) var(--button-shadow);
  border-radius: 0;
  background: var(--window);
  color: #000;
  font: 11px "Courier New", monospace;
}

.tiles-array-line {
  top: 23px;
  height: 22px;
  padding: 2px 3px;
}

.tiles-array-script {
  top: 55px;
  height: 233px;
  padding: 3px;
  overflow: scroll;
  resize: none;
  white-space: pre;
}

.tiles-array-close {
  top: 320px;
  left: 352px;
  width: 83px;
}

.save-changes-dialog {
  width: 350px;
  height: 142px;
}

.save-changes-dialog p {
  position: absolute;
  top: 18px;
  left: 24px;
  right: 24px;
  margin: 0;
}

.save-changes-yes,
.save-changes-no,
.save-changes-cancel {
  top: 72px;
  width: 75px;
}

.save-changes-yes {
  left: 92px;
}

.save-changes-no {
  left: 174px;
}

.save-changes-cancel {
  left: 256px;
}