:root {
  --bg: #f1efe7;
  --ink: #1f1b16;
  --muted: #6b5f52;
  --panel: #fbf7ef;
  --panel-border: #d4c6b7;
  --accent: #d26a3c;
  --accent-dark: #a44b26;
  --warn: #c77c2f;
  --error: #b3362d;
  --shadow: rgba(26, 20, 16, 0.15);
  --grid: rgba(60, 50, 40, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: "Trebuchet MS", "Lucida Grande", "Lucida Sans Unicode", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.7), transparent 40%),
    radial-gradient(circle at 80% 10%, rgba(210, 106, 60, 0.12), transparent 45%),
    linear-gradient(135deg, #ede7dc 0%, #f6f1e7 50%, #efe6d9 100%);
  min-height: 100vh;
  overflow: hidden;
}

.editor-app {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 100vh;
  height: 100%;
}

.editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--panel-border);
  box-shadow: 0 6px 20px var(--shadow);
}

.editor-title {
  font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif;
  font-size: 20px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.editor-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  color: var(--muted);
  font-size: 14px;
}

.editor-controls select,
.editor-controls input,
.editor-controls button {
  border: 1px solid var(--panel-border);
  background: #fffdf9;
  color: var(--ink);
  padding: 6px 8px;
  font-size: 13px;
}

.editor-controls button {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent-dark);
  cursor: pointer;
}

.editor-controls button.secondary {
  background: #f4efe6;
  color: var(--ink);
}

.dirty-indicator {
  padding: 4px 8px;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: #f4efe6;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.dirty-indicator.is-dirty {
  background: #fff1d8;
  border-color: var(--warn);
  color: var(--ink);
}

.editor-controls button.is-active {
  background: #2f7a48;
  border-color: #1f5a35;
  color: #fff;
}

.editor-main {
  display: grid;
  grid-template-columns: minmax(200px, 280px) 1fr minmax(220px, 320px);
  gap: 12px;
  padding: 8px 12px 12px;
  min-height: 0;
  height: 100%;
}

.editor-panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 10px;
  box-shadow: 0 10px 20px var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
}

.panel-title {
  font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.tool-grid button,
.palette-list button,
.editor-button {
  border: 1px solid var(--panel-border);
  background: #fffdf9;
  padding: 8px 10px;
  font-size: 12px;
  text-align: left;
  cursor: pointer;
}

.tool-grid button.active,
.palette-list button.active {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 2px rgba(210, 106, 60, 0.25);
}

.control-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
}

.control-row input,
.control-row select {
  padding: 4px 6px;
  border: 1px solid var(--panel-border);
  background: #fffdf9;
}

.palette-tabs {
  display: flex;
  gap: 6px;
}

.palette-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-height: 0;
}

.palette-tabs button {
  flex: 1;
  padding: 6px 4px;
  font-size: 12px;
  border: 1px solid var(--panel-border);
  background: #f8f2e8;
  cursor: pointer;
}

.palette-tabs button.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent-dark);
}

.palette-list {
  display: grid;
  gap: 6px;
  overflow: auto;
  flex: 1;
  min-height: 0;
}

.palette-list[hidden] {
  display: none !important;
}

.palette-list button {
  display: grid;
  grid-template-columns: 48px 1fr;
  align-items: center;
  gap: 8px;
}

.palette-preview {
  width: 46px;
  height: 46px;
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  background:
    linear-gradient(135deg, rgba(210, 106, 60, 0.12), transparent 55%),
    #fffdf9;
  display: flex;
  align-items: center;
  justify-content: center;
}

.palette-preview img {
  max-width: 100%;
  max-height: 100%;
  image-rendering: pixelated;
}

.palette-preview.empty {
  background:
    repeating-linear-gradient(
      45deg,
      rgba(0, 0, 0, 0.05),
      rgba(0, 0, 0, 0.05) 6px,
      transparent 6px,
      transparent 12px
    ),
    #fffdf9;
}

.palette-label {
  display: block;
  line-height: 1.25;
}

.palette-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
}

#editorPaletteSearch {
  width: 150px;
  min-width: 120px;
  flex: 0 0 auto;
}

.palette-view-toggle {
  display: inline-flex;
  gap: 6px;
}

.palette-view-toggle button {
  padding: 4px 8px;
  font-size: 11px;
}

.palette-view-toggle button.active {
  background: var(--accent);
  color: #fff;
}

.editor-canvas-panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  box-shadow: 0 12px 28px var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 8px;
  gap: 6px;
  min-height: 0;
}

.canvas-wrap {
  width: 100%;
  flex: 1;
  display: flex;
  align-items: stretch;
  justify-content: center;
  border: 1px solid var(--panel-border);
  background:
    linear-gradient(0deg, var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 32px 32px;
  min-height: 0;
}

#editorCanvas {
  width: 100%;
  height: 100%;
  max-height: 100%;
  image-rendering: pixelated;
  display: block;
  cursor: none;
}

.status-strip {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  font-size: 12px;
  color: var(--muted);
}

.inspector-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.inspector-grid label {
  font-size: 11px;
  color: var(--muted);
}

.inspector-grid input,
.inspector-grid select {
  width: 100%;
  padding: 4px 6px;
  border: 1px solid var(--panel-border);
  background: #fffdf9;
}

.field-help {
  grid-column: span 2;
  font-size: 11px;
  color: var(--muted);
  margin-top: -4px;
}

.panel-separator {
  height: 1px;
  background: var(--panel-border);
  opacity: 0.7;
}

.selection-order {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.selection-actions {
  display: grid;
  gap: 8px;
}

.selection-flags {
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 6px 8px;
  font-size: 11px;
}

.selection-flags summary {
  cursor: pointer;
  font-size: 11px;
  color: var(--muted);
  list-style: none;
}

.selection-flags summary::-webkit-details-marker {
  display: none;
}

.selection-flags .control-row {
  font-size: 11px;
  padding: 2px 0;
}

.selection-flags input[type="checkbox"] {
  transform: scale(0.9);
  transform-origin: right center;
}

.issue-list {
  display: grid;
  gap: 8px;
}

.issue-item {
  padding: 8px;
  border: 1px solid var(--panel-border);
  background: #fffdf9;
  font-size: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.palette-list.grid {
  display: grid;
  grid-template-columns: repeat(var(--palette-grid-columns, 4), minmax(0, 1fr));
  gap: 8px;
}

.palette-list.grid button {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
}

.palette-list.grid .palette-label {
  display: none;
}

.issue-item.error {
  border-left: 4px solid var(--error);
}

.issue-item.warning {
  border-left: 4px solid var(--warn);
}

.issue-item button {
  align-self: flex-start;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 11px;
}

@media (max-width: 1100px) {
  .editor-main {
    grid-template-columns: 1fr;
  }
}

.shortcut-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(18, 14, 10, 0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity 250ms ease;
  z-index: 20;
}

.shortcut-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.shortcut-overlay__panel {
  width: min(760px, 92vw);
  max-height: 80vh;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  box-shadow: 0 18px 28px var(--shadow);
  padding: 16px;
  overflow-y: auto;
  overflow-x: hidden;
  color: var(--ink);
}

.shortcut-overlay__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.shortcut-overlay__title {
  font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.shortcut-overlay__close {
  background: var(--error);
  border: 1px solid #8e2b25;
  color: #fff;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
}

.shortcut-section {
  border-top: 1px solid var(--panel-border);
  padding-top: 10px;
  margin-top: 10px;
}

.shortcut-section:first-child {
  border-top: 0;
  padding-top: 0;
  margin-top: 0;
}

.shortcut-section__title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 6px;
}

.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  padding: 2px 0;
}

.shortcut-label {
  flex: 1;
  min-width: 0;
}

.shortcut-keys {
  font-family: "Courier New", monospace;
  font-size: 11px;
  color: var(--muted);
  text-align: right;
  white-space: nowrap;
}