/* ===== XP Luna (classic-control) chrome ===== */
:root {
  --face: #ECE9D8;      /* 3D face */
  --hl: #FFFFFF;        /* 3D highlight */
  --lt: #F1EFE2;        /* 3D light */
  --sh: #ACA899;        /* 3D shadow */
  --dk: #716F64;        /* 3D dark shadow */
  --sel: #316AC5;       /* Luna menu/selection highlight */
  --seltext: #FFFFFF;
  --menutext: #000000;
  --gray: #808080;      /* workspace gray */
  --disabled: #ACA899;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  user-select: none;
  -webkit-user-select: none;
  cursor: default;
}
*:focus { outline: none; }

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  font-family: Tahoma, "DejaVu Sans", Geneva, Verdana, sans-serif;
  font-size: 11px;
  -webkit-font-smoothing: none;
  color: #000;
  background: var(--face);
}

/* Bevels (Windows classic 2-tone). Raised = light top-left, dark bottom-right. */
.raised {
  box-shadow: inset 1px 1px 0 var(--hl), inset -1px -1px 0 var(--dk),
              inset 2px 2px 0 var(--lt), inset -2px -2px 0 var(--sh);
}
.raised-thin {
  box-shadow: inset 1px 1px 0 var(--hl), inset -1px -1px 0 var(--sh);
}
.sunken {
  box-shadow: inset 1px 1px 0 var(--sh), inset -1px -1px 0 var(--hl),
              inset 2px 2px 0 var(--dk), inset -2px -2px 0 var(--lt);
}
.sunken-thin {
  box-shadow: inset 1px 1px 0 var(--sh), inset -1px -1px 0 var(--hl);
}
.sunken-light { /* group-box style sunken outline */
  box-shadow: inset 1px 1px 0 var(--sh), inset -1px -1px 0 var(--hl);
}

/* ===== Top-level layout ===== */
#app {
  display: flex;
  flex-direction: column;
  width: 100%; height: 100%;
}

#middle {
  flex: 1;
  display: flex;
  flex-direction: row;
  min-height: 0;
}

/* ===== Menu bar ===== */
#menubar {
  height: 21px;
  background: var(--face);
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid var(--face);
  position: relative;
  z-index: 500;
  flex: none;
}
.menu-title {
  padding: 3px 7px 0 7px;
  height: 20px;
}
.menu-title.open, .menu-title:hover.hoverable {
  background: var(--sel);
  color: var(--seltext);
}
.menu-title u { text-decoration: underline; }

.menu-popup {
  position: absolute;
  background: #FFFFFF;
  border: 1px solid var(--sh);
  box-shadow: 2px 2px 3px rgba(0,0,0,0.35);
  padding: 2px;
  min-width: 130px;
  z-index: 1000;
}
.menu-item {
  display: flex;
  align-items: center;
  height: 17px;
  padding: 0 16px 0 2px;
  white-space: nowrap;
  position: relative;
}
.menu-item .mi-check {
  width: 16px;
  flex: none;
  text-align: center;
  font-size: 10px;
}
.menu-item .mi-label { flex: 1; padding-right: 16px; }
.menu-item .mi-accel { color: inherit; padding-left: 8px; }
.menu-item .mi-sub { position: absolute; right: 4px; font-size: 8px; }
.menu-item.hilite { background: var(--sel); color: var(--seltext); }
.menu-item.disabled { color: var(--disabled); }
.menu-item.disabled.hilite { background: var(--sel); color: var(--sh); }
.menu-sep {
  height: 1px;
  background: var(--sh);
  margin: 3px 2px;
}

/* ===== Left panel (tool box + options) ===== */
#leftpanel {
  width: 60px;
  flex: none;
  background: var(--face);
  padding: 2px 2px 0 2px;
  display: flex;
  flex-direction: column;
}
#toolbox {
  width: 54px;
  margin-left: 1px;
  display: grid;
  grid-template-columns: 25px 25px;
  grid-auto-rows: 24px;
  gap: 1px;
  padding: 1px;
}
.tool-btn {
  width: 25px; height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--face);
}
.tool-btn:hover { box-shadow: inset 1px 1px 0 var(--hl), inset -1px -1px 0 var(--sh); }
.tool-btn:active { box-shadow: inset 1px 1px 0 var(--sh), inset -1px -1px 0 var(--hl); }
.tool-btn.selected {
  box-shadow: inset 1px 1px 0 var(--sh), inset -1px -1px 0 var(--hl);
  background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAYAAABytg0kAAAAFElEQVR4AWP4//8/w6pVq/4zgAgAJfgF5il4xQAAAAAASUVORK5CYII=");
}
.tool-btn img, .tool-btn canvas { image-rendering: pixelated; pointer-events: none; }
.tool-btn.disabled { opacity: 0.4; }

#tooloptions {
  width: 54px;
  margin-left: 1px;
  margin-top: 3px;
  height: 66px;
  background: var(--face);
  padding: 3px;
  display: grid;
  align-content: start;
  justify-content: center;
}
.opt-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--face);
}
.opt-cell.selected { background: var(--sel); }
.opt-cell canvas { image-rendering: pixelated; pointer-events: none; }

/* ===== Workspace / canvas ===== */
#workspace {
  flex: 1;
  position: relative;
  overflow: auto;
  background: var(--gray);
  box-shadow: inset 1px 1px 0 var(--sh), inset -1px -1px 0 var(--hl);
  min-width: 0;
}
#workspace::-webkit-scrollbar { width: 16px; height: 16px; background: #F1EFE2; }
#workspace::-webkit-scrollbar-thumb {
  background: var(--face);
  box-shadow: inset 1px 1px 0 var(--hl), inset -1px -1px 0 var(--dk),
              inset 2px 2px 0 var(--lt), inset -2px -2px 0 var(--sh);
}
#workspace::-webkit-scrollbar-corner { background: var(--face); }

#canvas-extent { position: relative; }
#display-canvas, #overlay-canvas {
  position: absolute;
  image-rendering: pixelated;
  pointer-events: none;
}
#overlay-canvas { pointer-events: auto; }

.grip {
  position: absolute;
  width: 3px; height: 3px;
  background: #000080;
  border: 1px solid #FFFFFF;
  box-sizing: content-box;
}
.grip.live { background: #000080; }
.grip-se { cursor: nwse-resize; }
.grip-e { cursor: ew-resize; }
.grip-s { cursor: ns-resize; }

#resize-preview {
  position: absolute;
  border: 1px dotted #000;
  pointer-events: none;
  display: none;
}

/* ===== Color box ===== */
#colorrow {
  flex: none;
  height: 44px;
  background: var(--face);
  display: flex;
  align-items: center;
  padding-left: 4px;
}
#colorbox {
  display: flex;
  align-items: center;
}
#swatch-indicator {
  width: 30px; height: 31px;
  position: relative;
  margin-right: 4px;
  box-shadow: inset 1px 1px 0 var(--sh), inset -1px -1px 0 var(--hl);
}
.swatch {
  position: absolute;
  width: 15px; height: 15px;
  box-shadow: inset 1px 1px 0 var(--dk), inset -1px -1px 0 var(--hl), inset 2px 2px 0 var(--sh);
}
#swatch-fg { left: 4px; top: 4px; z-index: 2; }
#swatch-bg { left: 11px; top: 12px; z-index: 1; }
.swatch-inner { position: absolute; left: 2px; top: 2px; right: 1px; bottom: 1px; }

.color-grid {
  display: grid;
  grid-template-columns: repeat(14, 16px);
  grid-auto-rows: 16px;
}
.color-cell {
  width: 16px; height: 16px;
  padding: 2px;
  background: var(--face);
  box-shadow: inset 1px 1px 0 var(--sh), inset -1px -1px 0 var(--hl);
}
.color-cell .cc-inner {
  width: 100%; height: 100%;
  box-shadow: inset 1px 1px 0 var(--dk), inset -1px -1px 0 var(--lt);
}

/* ===== Status bar ===== */
#statusbar {
  flex: none;
  height: 22px;
  background: var(--face);
  display: flex;
  align-items: stretch;
  padding: 2px 2px 2px 2px;
  gap: 2px;
  position: relative;
}
.sb-pane {
  box-shadow: inset 1px 1px 0 var(--sh), inset -1px -1px 0 var(--hl);
  padding: 2px 4px 0 4px;
  overflow: hidden;
  white-space: nowrap;
}
#sb-hint { flex: 1; }
.sb-fixed { width: 100px; flex: none; }
#sb-grip {
  width: 14px;
  flex: none;
  background-image:
    url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA4AAAAOCAYAAAAfSC3RAAAAOUlEQVR4AWMYNODVq1f/8WFC6hlgDFwGENIzasCogVQx4NGjR//xYWLcQLQBpBpEdhgQE9WjaYBIDACqhZWSTX6bygAAAABJRU5ErkJggg==");
  background-repeat: no-repeat;
  background-position: bottom right;
}

/* ===== Dialogs ===== */
#dialoghost {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 5000;
}
#dialoghost.active { display: block; }
.dlg-shade { position: absolute; inset: 0; }
.dialog {
  position: absolute;
  background: var(--face);
  border: 1px solid #0831D9;
  box-shadow: 2px 2px 4px rgba(0,0,0,0.4);
  padding: 0;
}
.dlg-titlebar {
  height: 22px;
  background: linear-gradient(180deg, #0997FF, #0053EE);
  color: #fff;
  font-weight: bold;
  display: flex;
  align-items: center;
  padding: 0 4px 0 6px;
  text-shadow: 1px 1px 1px rgba(0,0,0,0.5);
}
.dlg-title { flex: 1; padding-top: 1px; }
.dlg-close {
  width: 17px; height: 17px;
  background: #D8532A;
  border: 1px solid #fff;
  color: #fff;
  font-size: 11px;
  line-height: 15px;
  text-align: center;
  font-weight: bold;
  text-shadow: none;
}
.dlg-close:active { background: #B03A18; }
.dlg-body { padding: 10px; }

/* Classic controls */
.btn {
  min-width: 66px;
  height: 21px;
  background: var(--face);
  border: 1px solid #003C74;
  font-family: inherit;
  font-size: 11px;
  padding: 0 8px;
  text-align: center;
  line-height: 19px;
}
.btn:hover { box-shadow: inset 0 0 0 1px #FFF0CF, inset 0 -2px 0 1px #F5CC92; }
.btn:active { background: #E3E0D0; box-shadow: inset 1px 1px 1px rgba(0,0,0,0.15); }
.btn.default { box-shadow: inset 0 0 0 1px #CEE7FF, inset 0 -2px 0 1px #98B8EA; }
.btn:disabled, .btn.disabled { color: var(--disabled); border-color: var(--sh); box-shadow: none; }

.edit {
  height: 19px;
  background: #fff;
  border: 1px solid #7F9DB9;
  font-family: inherit;
  font-size: 11px;
  padding: 1px 3px;
  cursor: text;
  user-select: text;
  -webkit-user-select: text;
}
.edit:disabled { background: var(--face); color: var(--disabled); }

.groupbox {
  border: 1px solid #D0CEBF;
  border-radius: 0;
  position: relative;
  padding: 12px 8px 8px 8px;
  margin-top: 6px;
}
.groupbox > .gb-label {
  position: absolute;
  top: -7px; left: 8px;
  background: var(--face);
  padding: 0 3px;
  color: #000;
}

.radio-row, .check-row {
  display: flex;
  align-items: center;
  gap: 5px;
  margin: 3px 0;
}
.radio-glyph, .check-glyph {
  width: 11px; height: 11px;
  flex: none;
  background: #fff;
  border: 1px solid #1D5281;
  position: relative;
}
.radio-glyph { border-radius: 50%; }
.radio-glyph.on::after {
  content: "";
  position: absolute;
  left: 2px; top: 2px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: #4EA249;
}
.check-glyph.on::after {
  content: "✓";
  position: absolute;
  left: 0px; top: -2px;
  font-size: 11px;
  color: #4EA249;
  font-weight: bold;
}

.dlg-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 12px;
}

/* Message box */
.msgbox-body { display: flex; gap: 12px; padding: 8px 6px 0 6px; align-items: flex-start; }
.msgbox-text { padding-top: 6px; max-width: 340px; line-height: 1.4; }
.msgbox-icon canvas { image-rendering: pixelated; }

/* ===== Text tool ===== */
#text-editor {
  position: absolute;
  border: 1px dashed #808080;
  background: transparent;
  overflow: hidden;
  cursor: text;
  user-select: text;
  -webkit-user-select: text;
  white-space: pre-wrap;
  word-break: break-word;
  transform-origin: 0 0;
  z-index: 50;
}

/* Fonts toolbar */
#fontbar {
  position: fixed;
  background: var(--face);
  border: 1px solid var(--sh);
  box-shadow: 1px 1px 0 var(--hl) inset, 2px 2px 3px rgba(0,0,0,0.3);
  padding: 4px;
  display: none;
  align-items: center;
  gap: 3px;
  z-index: 4000;
}
#fontbar.visible { display: flex; }
#fontbar .fb-title {
  font-size: 10px;
  color: #fff;
  background: linear-gradient(180deg, #0997FF, #0053EE);
  margin: -4px -4px 3px -4px;
  padding: 2px 5px;
  font-weight: bold;
}
#fontbar select {
  font-family: inherit;
  font-size: 11px;
  height: 20px;
  border: 1px solid #7F9DB9;
  background: #fff;
}
.fb-toggle {
  width: 22px; height: 20px;
  text-align: center;
  line-height: 20px;
  background: var(--face);
}
.fb-toggle:hover { box-shadow: inset 1px 1px 0 var(--hl), inset -1px -1px 0 var(--sh); }
.fb-toggle.on { box-shadow: inset 1px 1px 0 var(--sh), inset -1px -1px 0 var(--hl); background: #E3E0D0; }

/* Thumbnail window */
#thumbnail {
  position: fixed;
  border: 1px solid #000;
  background: #808080;
  display: none;
  z-index: 3000;
}
#thumbnail canvas { image-rendering: pixelated; display: block; }

/* View Bitmap fullscreen */
#viewbitmap {
  position: fixed;
  inset: 0;
  background: var(--gray);
  z-index: 9000;
  display: none;
}
#viewbitmap canvas { image-rendering: pixelated; position: absolute; left: 0; top: 0; }

/* ===== Touch (phones and tablets) =====
   Applied only when a coarse pointer is driving; see platform/uiscale.ts, which
   also magnifies the whole window through the viewport meta. Nothing here
   restyles a control — it fixes what magnification alone cannot: gestures,
   mouse-sized hit targets, and the two strips that no longer fit side to side. */

html.touch-ui, html.touch-ui body { height: 100dvh; }

.touch-ui, .touch-ui * { -webkit-tap-highlight-color: transparent; }

/* No double-tap zoom anywhere (the Polygon and Curve tools need real
   double-clicks), and no browser gestures at all over the bitmap: one finger
   draws, two fingers pan the workspace. */
.touch-ui #app { touch-action: manipulation; }
.touch-ui #overlay-canvas { touch-action: none; }

/* The canvas resize grips are 5px of mouse target. Pad them out invisibly. */
.touch-ui .grip::after {
  content: "";
  position: absolute;
  left: -10px; top: -10px; right: -10px; bottom: -10px;
}

/* The tool box is taller than a phone held sideways. */
.touch-ui #leftpanel {
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none;
  touch-action: pan-y;
}
.touch-ui #leftpanel::-webkit-scrollbar { width: 0; height: 0; }

/* The palette is 482px of fixed grid; a phone window is not. Swipe it sideways
   rather than reflowing it into rows Paint never had. */
.touch-ui #colorrow {
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  touch-action: pan-x;
  padding-right: 4px;
}
.touch-ui #colorrow::-webkit-scrollbar { width: 0; height: 0; }
.touch-ui #colorbox { flex: none; }

/* Tapping the indicator arms the background color: the swatch that sits in
   front is the one a stroke paints with, which is what it has always meant. */
.touch-ui #swatch-indicator.secondary #swatch-fg { left: 11px; top: 12px; z-index: 1; }
.touch-ui #swatch-indicator.secondary #swatch-bg { left: 4px; top: 4px; z-index: 2; }

/* Leave the hint pane something to be squeezed into. */
.touch-ui .sb-fixed { width: 62px; }

/* 2px off each title keeps all six menus on the bar down to the narrowest
   phone; losing "Help" off the right edge would be authentic and useless. */
.touch-ui .menu-title { padding-left: 5px; padding-right: 5px; }