:root {
  color-scheme: light;
  font-family: Arial, Helvetica, sans-serif;
  background: #eef0f3;
  color: #1f2933;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
}

button,
input {
  font: inherit;
}

.app {
  display: grid;
  grid-template-rows: auto 1fr;
  width: 100vw;
  height: 100vh;
}

.toolbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  padding: 8px;
  background: #f8fafc;
  border-bottom: 1px solid #cbd5e1;
}

.toolbar-row {
  display: flex;
  align-items: center;
  gap: 7px 8px;
  min-width: 0;
}

.toolbar-row-primary {
  flex-wrap: wrap;
}

.toolbar-row-secondary {
  flex-wrap: wrap;
}

.tool-group {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  min-height: 36px;
  padding-right: 8px;
  border-right: 1px solid #d6dde7;
}

.tool-group:last-child,
.file-tools,
.zoom-group {
  border-right: 0;
  padding-right: 0;
}

.identity-group {
  flex: 0 1 auto;
  gap: 8px;
  min-width: 0;
}

.drawing-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 700;
  color: #1f2933;
}

.server-status {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.view-only-mode .server-status {
  position: static;
  width: auto;
  height: auto;
  clip: auto;
  overflow: visible;
  color: #475569;
  font-size: 13px;
  white-space: nowrap;
}

button {
  min-height: 32px;
  border: 1px solid #aab4c2;
  border-radius: 6px;
  padding: 5px 10px;
  background: #ffffff;
  color: #17202a;
  cursor: pointer;
}

button:hover:not(:disabled) {
  background: #eef4fb;
}

button:focus-visible,
input:focus-visible {
  outline: 2px solid #1769aa;
  outline-offset: 2px;
}

button:disabled,
input:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

button.is-active {
  border-color: #1769aa;
  background: #dbeafe;
  box-shadow: inset 0 0 0 1px #1769aa;
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  min-width: 34px;
  padding: 5px;
}

.icon-button svg,
.file-button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.save-state-button {
  min-width: 62px;
  font-weight: 700;
  letter-spacing: 0;
}

.save-state-button.is-save-clean {
  border-color: #cbd5e1;
  background: #eef2f7;
  color: #64748b;
}

.save-state-button.is-save-dirty,
.save-state-button.is-save-error {
  border-color: #b42318;
  background: #d92d20;
  color: #ffffff;
  opacity: 1;
}

.save-state-button.is-save-dirty:hover:not(:disabled),
.save-state-button.is-save-error:hover:not(:disabled) {
  background: #b42318;
}

.save-state-button.is-save-busy {
  border-color: #1769aa;
  background: #dbeafe;
  color: #0f4777;
}

.danger-button {
  border-color: #c62828;
  color: #c62828;
}

.danger-button:hover:not(:disabled) {
  background: #fff1f1;
}

.danger-button:disabled {
  border-color: #cbd5e1;
  color: #94a3b8;
  background: #f8fafc;
  opacity: 0.65;
}

.text-tool-button {
  font-weight: 700;
  font-size: 18px;
  line-height: 1;
}

.view-only-mode #saveButton,
.view-only-mode #uploadSvgButton,
.view-only-mode #downloadSvgButton,
.view-only-mode #uploadSvgInput,
.view-only-mode #deleteButton,
.view-only-mode #undoButton,
.view-only-mode #redoButton,
.view-only-mode .edit-group,
.view-only-mode .file-tools,
.view-only-mode .color-group,
.view-only-mode .brush-group {
  display: none;
}

.view-only-mode .drawing-tools .tool-button:not([data-tool="pan"]):not([data-tool="zoom"]) {
  display: none;
}

.file-tools {
  flex: 0 0 auto;
}

.file-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.color-group {
  position: relative;
  flex: 0 0 auto;
}

.custom-toggle {
  padding-inline: 8px;
  border-color: #b8c2d0;
  background: #fbfdff;
}

.color-menu-button {
  width: 34px;
  min-width: 34px;
  padding: 0;
  border-color: #8fa0b3;
  background: var(--current-color, #000000);
}

.color-panel {
  position: absolute;
  top: 0;
  left: calc(100% + 6px);
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: max-content;
  padding: 8px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  background: #f8fafc;
  box-shadow: 0 6px 16px rgb(15 23 42 / 16%);
}

.color-panel[hidden],
.custom-panel[hidden] {
  display: none;
}

.palette {
  display: flex;
  align-items: center;
  gap: 5px;
}

.swatch {
  width: 28px;
  min-width: 28px;
  height: 28px;
  min-height: 28px;
  padding: 0;
  border-radius: 50%;
  background: var(--swatch);
}

.swatch.is-active {
  box-shadow: 0 0 0 3px #ffffff, 0 0 0 5px #1769aa;
}

.custom-panel {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-left: 2px;
}

.custom-panel label,
.brush-group label {
  display: flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}

#hexInput {
  width: 82px;
  text-transform: uppercase;
}

#hexInput.is-invalid {
  border-color: #c62828;
  background: #fff5f5;
}

.brush-group input[type="range"] {
  width: 92px;
  accent-color: #1769aa;
}

.brush-group output,
.zoom-label {
  font-variant-numeric: tabular-nums;
}

.brush-group output {
  min-width: 36px;
}

.zoom-group {
  gap: 5px;
}

.zoom-label {
  display: inline-flex;
  justify-content: center;
  min-width: 52px;
}

.text-entry {
  position: fixed;
  z-index: 20;
  min-width: 180px;
  max-width: 420px;
  border: 1px solid #1769aa;
  border-radius: 4px;
  padding: 4px 6px;
  background: #ffffff;
  color: #111827;
  box-shadow: 0 4px 14px rgb(15 23 42 / 20%);
}

#drawingCanvas.tool-text {
  cursor: text;
}

#artwork text {
  cursor: crosshair;
  user-select: none;
}

.canvas-shell {
  min-height: 0;
  overflow: hidden;
  padding: 12px;
  background: #d9dee6;
}

#drawingCanvas {
  display: block;
  width: 100%;
  height: 100%;
  background: #ffffff;
  border: 1px solid #aeb8c5;
  touch-action: none;
  user-select: none;
}

#artwork path,
#artwork line {
  cursor: crosshair;
}

#drawingCanvas.tool-select #artwork path,
#drawingCanvas.tool-select #artwork line,
#drawingCanvas.tool-select #artwork text,
#drawingCanvas.tool-eyedropper #artwork path,
#drawingCanvas.tool-eyedropper #artwork line,
#drawingCanvas.tool-eyedropper #artwork text {
  cursor: pointer;
}

#drawingCanvas.tool-pan {
  cursor: grab;
}
#drawingCanvas.tool-zoom {
  cursor: zoom-in;
}

#drawingCanvas.is-zooming {
  cursor: zoom-in;
}

#drawingCanvas.is-panning {
  cursor: grabbing;
}

.selection-outline {
  fill: none;
  stroke: #0f62fe;
  stroke-width: 3;
  vector-effect: non-scaling-stroke;
  stroke-dasharray: 8 6;
  pointer-events: none;
}

.line-preview {
  fill: none;
  stroke-linecap: round;
  pointer-events: none;
}

@media (max-width: 760px) {
  .toolbar {
    max-height: 46vh;
    overflow-y: auto;
    overflow-x: hidden;
    gap: 6px;
    padding: 6px;
  }

  .toolbar-row {
    flex-wrap: wrap;
    gap: 6px;
  }

  .toolbar-row-primary {
    align-items: center;
  }

  .tool-group {
    border-right: 0;
    padding-right: 0;
  }

  button,
  .icon-button {
    min-height: 40px;
  }

  .icon-button,
  .color-menu-button {
    width: 40px;
    min-width: 40px;
  }

  .identity-group {
    flex: 1 1 100%;
  }

  .drawing-name {
    flex: 1 1 auto;
  }

  .edit-group,
  .file-tools {
    flex: 0 0 auto;
  }

  .drawing-tools {
    flex: 1 1 auto;
  }

  .brush-group {
    flex: 1 1 100%;
    flex-wrap: wrap;
  }

  .brush-group label {
    flex: 1 1 100%;
  }

  .brush-group input[type="range"] {
    flex: 1 1 auto;
    width: auto;
    min-width: 140px;
  }

  .color-group {
    position: static;
  }

  .color-panel {
    top: auto;
    left: 6px;
    right: 6px;
    width: auto;
    min-width: 0;
    max-width: none;
    flex-wrap: wrap;
  }

  .palette,
  .custom-panel {
    flex-wrap: wrap;
  }

  .file-button span {
    display: none;
  }

  .canvas-shell {
    padding: 6px;
  }
}