:root {
  --bg: #111;
  --float: rgba(18,18,18,0.9);
  --backdrop: blur(20px) saturate(1.4);
  --float-border: rgba(255,255,255,0.14);
  --border: #383838;
  --border-d: #2a2a2a;
  --text: #c4c4c4;
  --text-d: #555;
  --text-b: #e8e8e8;
  --accent: #e05a2b;
  --blue: #4a90e2;
  --shadow: none;
  --r-panel: 0px; /*8px;*/
  --r-btn: 0px; /*3px;*/
  --r-input: 0px; /*3px;*/
  --gap: 20px;
  --gap-sm: 8px;
  --fs: 12px;
  --fs-sm: 12px;
}
* { margin: 0; padding: 0; box-sizing: border-box; outline: none; font-family: inherit; }

body {
  background: var(--bg);
  color: var(--text);
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  font-family: 'Source Code Pro', monospace;
  font-size: var(--fs);
  user-select: none;
}

/* ── Canvas (full viewport) ── */
#canvas-area {
  position: fixed;
  inset: 0;
  background: var(--canvas-bg, #161616);
  overflow: hidden;
}
#canvas-area::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, var(--dot-color, rgba(255,255,255,0)) 0.75px, transparent 0.75px);
  background-size: var(--dot-size, 24px) var(--dot-size, 24px);
  background-position: var(--pan-x, 0px) var(--pan-y, 0px);
  pointer-events: none;
  z-index: 0;
}
#svg-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  background: transparent;
  overflow: visible;
  z-index: 1;
}
#overlay-canvas {
  position: absolute;
  inset: 0;
  cursor: default;
  z-index: 2;
}

/* ── Floating base ── */
.floating {
  background: var(--float);
  border: 1px solid var(--float-border);
  box-shadow: var(--shadow);
  backdrop-filter: var(--backdrop);
}

/* ── Toolbar groups ── */
#toolbar-wrap {
  position: fixed;
  left: var(--gap);
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm);
}
.toolbar-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 4px;
  gap: 4px;
  border-radius: var(--r-panel);
  background: var(--float);
  border: 1px solid var(--float-border);
  box-shadow: var(--shadow);
  backdrop-filter: var(--backdrop);
}
.tool-btn {
  width: 36px;
  height: 36px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-d);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-btn);
  transition: background 0.1s, color 0.1s;
  position: relative;
}
.tool-btn:hover { background: rgba(255,255,255,0.06); color: var(--text); }
.tool-btn:active { opacity: 0.5; }
.tool-btn.active { border: 1px solid var(--accent); background: rgba(255,255,255,0.06); color: #fff; }
.tool-btn svg { width: 15px; height: 15px; }
.tool-key {
  position: absolute;
  bottom: 2px; right: 3px;
  font-size: 10px;
  font-family: inherit;
  color: inherit;
  opacity: 0.6;
}

/* ── Right panel column ── */
#right-panels {
  position: fixed;
  right: var(--gap);
  top: var(--gap);
  bottom: var(--gap);
  width: 224px;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  pointer-events: none;
}

/* ── Properties panel ── */
#props-panel { font-size: 12px; }
#props-panel {
  flex: 1 1 50%;
  min-height: 0;
  max-height: max-content;
  pointer-events: auto;
  display: flex;
  flex-direction: column;
  border-radius: var(--r-panel);
  overflow: hidden;
  background: var(--float);
  border: 1px solid var(--float-border);
  box-shadow: var(--shadow);
  backdrop-filter: var(--backdrop);
}

/* ── Boolean ops toolbar ── */
#bool-toolbar, #simplify-toolbar, #node-exit-toolbar {
  position: fixed;
  z-index: 11;
  flex-direction: row;
  align-items: center;
  gap: 2px;
  padding: 4px;
  border-radius: var(--r-panel);
  background: var(--float);
  border: 1px solid var(--float-border);
  box-shadow: var(--shadow);
  backdrop-filter: var(--backdrop);
  transform: translateX(-50%);
  pointer-events: auto;
}
.bool-btn {
  height: 24px;
  padding: 0 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-d);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-btn);
  font-family: inherit;
  font-size: 11px;
  white-space: nowrap;
  transition: background 0.1s, color 0.1s;
}
.bool-btn:hover { background: rgba(255,255,255,0.06); color: var(--text); }
.bool-btn:active { opacity: 0.5; }

.simplify-slider {
  width: 80px;
  height: 2px;
  appearance: none;
  background: var(--border);
  border-radius: 1px;
  cursor: pointer;
  margin: 0 4px;
}
.simplify-slider::-webkit-slider-thumb {
  appearance: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text);
  border: 1px solid rgba(255,255,255,0.2);
}
.simplify-slider::-moz-range-thumb {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text);
  border: 1px solid rgba(255,255,255,0.2);
  cursor: pointer;
}
.simplify-mode-btn { margin-right: 4px; }
.simplify-apply-btn { margin-left: 4px; }
.simplify-val {
  font-size: 11px;
  color: var(--text-d);
  width: 28px;
  text-align: right;
  flex-shrink: 0;
}

/* ── Actions menu ── */
#actions-menu, #context-menu {
  position: fixed;
  z-index: 20;
  display: flex;
  flex-direction: column;
  border-radius: var(--r-panel);
  overflow: hidden;
  background: var(--float);
  border: 1px solid var(--float-border);
  box-shadow: var(--shadow);
  backdrop-filter: var(--backdrop);
  min-width: 140px;
}
#context-menu .ctx-sep {
  height: 1px;
  background: var(--float-border);
  margin: 3px 0;
}
#context-menu .ctx-label {
  font-size: 10px;
  color: var(--text-d);
  padding: 5px 10px 2px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
#context-menu .actions-menu-item .shortcut {
  margin-left: auto;
  font-size: 10px;
  color: var(--text-d);
  padding-left: 16px;
}
.actions-menu-item {
  background: transparent;
  border: none;
  color: var(--text);
  white-space: nowrap;
  font-family: inherit;
  font-size: var(--fs);
  padding: 8px 14px 8px 10px;
  cursor: pointer;
  text-align: left;
  transition: background 0.1s;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 9px;
}
.actions-menu-item svg { flex-shrink: 0; opacity: 0.6; }
.actions-menu-item:hover { background: rgba(255,255,255,0.06); }
.actions-menu-item:active { opacity: 0.5; }
.actions-menu-item.danger { color: #e05a5a; }
.actions-menu-item.danger:hover { background: rgba(224,90,90,0.08); }
#props-context { color: var(--text-b); }
#props-area { flex: 1; overflow-y: auto; min-height: 0; }

/* ── Layers panel ── */
#layers-panel {
  flex: 1 1 50%;
  min-height: 0;
  max-height: max-content;
  margin-top: auto;
  pointer-events: auto;
  display: flex;
  flex-direction: column;
  border-radius: var(--r-panel);
  overflow: hidden;
  background: var(--float);
  border: 1px solid var(--float-border);
  box-shadow: var(--shadow);
  backdrop-filter: var(--backdrop);
}
#layers-list { flex: 1; overflow-y: auto; }
#layers-panel:has(#layers-list:empty) .sec-header { border-bottom: none; }

/* ── Status pill ── */
#status-bar {
  position: fixed;
  bottom: var(--gap);
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border-radius: var(--r-panel);
  white-space: nowrap;
  font-family: inherit;
  font-size: var(--fs);
  color: var(--text-d);
  background: var(--float);
  border: 1px solid var(--float-border);
  box-shadow: var(--shadow);
  backdrop-filter: var(--backdrop);
}
#s-tool { color: var(--accent); font-weight: 600; }
.s-sep { opacity: 0.3; }
#s-hint {
  position: fixed;
  top: var(--gap);
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  color: var(--text-d);
  white-space: nowrap;
  pointer-events: none;
  z-index: 10;
  padding: 5px 12px;
  border-radius: var(--r-panel);
  background: var(--float);
  backdrop-filter: var(--backdrop);
}
#s-zoom { cursor: pointer; border-radius: var(--r-input); padding: 1px 3px; margin: -1px -3px; transition: background 0.1s; }
#s-zoom:hover { background: rgba(255,255,255,0.07); color: var(--text); }

/* ── Zoom picker menu ── */
#zoom-menu {
  position: fixed;
  z-index: 20;
  display: flex;
  flex-direction: column;
  border-radius: var(--r-panel);
  overflow: hidden;
  background: var(--float);
  border: 1px solid var(--float-border);
  box-shadow: var(--shadow);
  backdrop-filter: var(--backdrop);
}
.zoom-menu-item {
  background: transparent;
  border: none;
  color: var(--text);
  font-family: inherit;
  font-size: var(--fs);
  padding: 7px 20px;
  cursor: pointer;
  text-align: left;
  transition: background 0.1s;
}
.zoom-menu-item:hover { background: rgba(255,255,255,0.06); }

/* ── Hotkeys modal ── */
#hotkeys-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
}
#hotkeys-panel {
  background: var(--float);
  border: 1px solid var(--float-border);
  backdrop-filter: var(--backdrop);
  border-radius: var(--r-panel);
  padding: 20px 24px 24px;
  width: 640px;
  max-width: 92vw;
  max-height: 82vh;
  overflow-y: auto;
  columns: 2;
  column-gap: 32px;
}
.hk-section {
  break-inside: avoid;
  margin-bottom: 16px;
}
.hk-title {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-d);
  margin-bottom: 7px;
}
.hk-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 4px;
}
.hk-key {
  font-size: 11px;
  color: var(--text-b);
  white-space: nowrap;
  background: rgba(255,255,255,0.07);
  border: 1px solid var(--float-border);
  border-radius: var(--r-btn);
  padding: 1px 6px;
  min-width: 28px;
  text-align: center;
  flex-shrink: 0;
}
.hk-desc {
  font-size: var(--fs);
  color: var(--text);
}

/* ── Export PNG panel ── */
#export-png-panel {
  position: fixed;
  z-index: 20;
  width: 222px;
  display: flex;
  flex-direction: column;
  border-radius: var(--r-panel);
  overflow: hidden;
  background: var(--float);
  border: 1px solid var(--float-border);
  box-shadow: var(--shadow);
  backdrop-filter: var(--backdrop);
  font-size: 12px;
}

/* ── Section header ── */
.sec-header {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  padding-left: 9px !important;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-d);
  border-bottom: 1px solid var(--border-d);
  font-weight: 500;
  flex-shrink: 0;
}

/* ── Properties ── */
.prop-section {
  padding: 8px;
  border-bottom: 1px solid var(--border-d);
}
.prop-section:last-child { border-bottom: none; }
.prop-section > *:last-child { margin-bottom: 0; }
.prop-label { color: var(--text-d); margin-bottom: 8px; font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; border-bottom: 1px solid var(--border-d); padding-bottom: 8px; margin-left: -8px; margin-right: -8px; padding-left: 9px; }
.prop-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 5px;
}
.prop-key {
  width: 28px;
  font-family: inherit;
  font-size: inherit;
  color: var(--text);
  flex-shrink: 0;
}
#props-panel select {
  flex: 1;
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: inherit;
  height: 22px;
  padding: 0 4px;
  cursor: pointer;
  border-radius: var(--r-input);
}
#props-panel select:hover { border-color: #505050; }
#props-panel select:focus { outline: none; border-color: var(--blue); }
.prop-input {
  flex: 1;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text-b);
  padding: 3px 6px;
  text-align: center;
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border-radius: var(--r-input);
  transition: border-color 0.12s;
  appearance: textfield;
  -moz-appearance: textfield;
}
.prop-input::-webkit-inner-spin-button { display: none; }
.prop-input:focus { border-color: var(--blue); }
.prop-input[readonly] { opacity: 0.5; cursor: not-allowed; }

/* ── Scrubber number input ── */
.scrubber {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--r-input);
  height: 22px;
  cursor: ew-resize;
  user-select: none;
  transition: border-color 0.12s;
  overflow: hidden;
}
.scrubber:hover { border-color: #505050; }
.scrubber.editing { cursor: default; border-color: var(--blue); }
.scrubber.dragging { border-color: var(--accent); }
@keyframes prop-flash {
  0%   { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
  100% { border-color: transparent;   box-shadow: none; }
}
.prop-flash { animation: prop-flash 350ms ease-out forwards; }

.scrubber-arrow {
  flex-shrink: 0;
  width: 16px;
  align-self: stretch;
  background: transparent;
  border: none;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.1s;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.scrubber-arrow::before {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
}
.scrubber-dec::before {
  border-right: 5px solid var(--text-d);
}
.scrubber-inc::before {
  border-left: 5px solid var(--text-d);
}
.scrubber:hover .scrubber-arrow { opacity: 1; }
.scrubber-arrow:hover::before { border-right-color: var(--text-b); }
.scrubber-inc:hover::before { border-right-color: transparent; border-left-color: var(--text-b); }

.scrubber-display {
  flex: 1;
  text-align: center;
  font-family: inherit;
  font-size: inherit;
  color: var(--text-b);
  pointer-events: none;
}
.scrubber-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  border: none;
  color: var(--text-b);
  text-align: center;
  font-family: inherit;
  font-size: inherit;
  outline: none;
  padding: 0 18px;
  display: none;
  appearance: textfield;
  -moz-appearance: textfield;
}
.scrubber-input::-webkit-inner-spin-button { display: none; }
.scrubber.editing .scrubber-display { visibility: hidden; }
.scrubber.editing .scrubber-input   { display: block; }

.filled-slider-track {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  background: rgba(255,255,255,0.10);
  pointer-events: none;
}

.color-half { flex: 1; min-width: 0; display: flex; align-items: center; gap: 6px; }
.swatch {
  width: 22px; height: 22px;
  border: 1px solid var(--border);
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
  border-radius: var(--r-input);
}
.swatch-wide { width: auto; flex: 1; height: 22px; }
input.color-proxy {
  position: fixed;
  width: 1px; height: 1px;
  opacity: 0; pointer-events: none;
}
.none-btn {
  padding: 2px 5px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-d);
  cursor: pointer;
  font-size: inherit;
  font-family: inherit;
  transition: all 0.1s;
  flex-shrink: 0;
  border-radius: var(--r-input);
}
.none-btn:hover { color: var(--text); border-color: #444; }
.none-btn.on { background: rgba(59,130,246,0.12); border-color: var(--blue); color: var(--blue); }

.tool-mode-btn {
  padding: 1px 6px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-d);
  cursor: pointer;
  font-size: 10px;
  font-family: inherit;
  letter-spacing: 0.05em;
  border-radius: var(--r-input);
  transition: all 0.1s;
}
.tool-mode-btn:hover { color: var(--text); border-color: #444; }
.tool-mode-btn.active { background: rgba(59,130,246,0.12); border-color: var(--blue); color: var(--blue); }

.seg-btn-group { display: flex; gap: 6px; }
.seg-btn {
  flex: 1;
  height: 22px;
  min-width: 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text-d);
  cursor: pointer;
  font-size: 10px;
  font-family: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-btn);
  transition: all 0.1s;
  padding: 0 3px;
}
.seg-btn:hover { color: var(--text); border-color: #505050; }
.seg-btn.on { background: rgba(59,130,246,0.12); border-color: var(--blue); color: var(--blue); }

/* Gradient stop bar */
.grad-stop-handle {
  position: absolute;
  top: 0; bottom: 0;
  width: 8px;
  margin-left: -4px;
  background: var(--float, #1e1e1e);
  border: 1.5px solid rgba(255,255,255,0.45);
  cursor: ew-resize;
  box-sizing: border-box;
}
.grad-stop-handle.sel {
  border-color: #fff;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.7);
  z-index: 1;
}

.empty-msg {
  padding: 20px 14px;
  color: var(--text-d);
  line-height: 1.7;
  font-size: inherit;
}


/* ── Layers ── */
.layer-item {
  display: flex;
  align-items: center;
  padding: 0 12px 0 6px;
  height: 28px;
  gap: 7px;
  cursor: pointer;
  border-bottom: 1px solid var(--border-d);
  border-left: 2px solid transparent;
  transition: background 0.1s;
}
.layer-item:hover { background: rgba(255,255,255,0.03); }
.layer-item:active { opacity: 0.5; }
.layer-item:last-child { border-bottom: none; }
.layer-item.sel {
  background: rgba(59,130,246,0.08);
  border-left-color: var(--blue);
}
.layer-ico { width: 13px; height: 13px; color: var(--text-d); flex-shrink: 0; }
.layer-name { flex: 1; font-size: var(--fs-sm); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.layer-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.layer-vis {
  background: transparent;
  border: none;
  color: var(--text-d);
  cursor: pointer;
  padding: 0 12px 0 4px;
  margin-right: -12px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity 0.1s;
}
.layer-item:hover .layer-vis { opacity: 1; }
.layer-vis:hover { color: #fff; }
.layer-hidden .layer-vis { opacity: 0.6; }
.layer-hidden .layer-vis:hover { opacity: 1; }
.layer-hidden .layer-name,
.layer-hidden .layer-dot,
.layer-hidden .layer-ico { opacity: 0.45; }

/* Layer drag & drop */
.layer-item.dragging { opacity: 0.4; }
.layer-item.drag-over-top { box-shadow: inset 0 2px 0 0 var(--blue); }
.layer-item.drag-over-bottom { box-shadow: inset 0 -2px 0 0 var(--blue); }

/* Group layers */
.layer-collapse {
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 0;
  margin: -6px 0;
  width: 13px;
  font-size: 8px;
  color: var(--text-b);
  opacity: 0.5;
  flex-shrink: 0;
  line-height: 1;
}
.layer-collapse:hover { opacity: 1; }.layer-rename {
  flex: 1;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--blue);
  color: var(--text-b);
  padding: 0 5px;
  height: 20px;
  font-family: inherit;
  font-size: var(--fs);
  outline: none;
  border-radius: 2px;
  min-width: 0;
}

/* ── Scrollbars ── */
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.15); }