*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; user-select: none; }
input, textarea { user-select: text; }
/* Brak 300ms opoznienia tapniecia + brak double-tap zoom na kontrolkach */
button, .btn-icon, [role="button"], a, label, select, .resizer { touch-action: manipulation; }

@keyframes sc-edit-pulse {
  0%, 100% { stroke-opacity: 1;   stroke-width: 3; filter: drop-shadow(0 0 4px #e53935); }
  50%       { stroke-opacity: 0.2; stroke-width: 1; filter: drop-shadow(0 0 0px #e53935); }
}
.sc-editing {
  stroke: #e53935 !important;
  animation: sc-edit-pulse 0.9s ease-in-out infinite;
}
@keyframes sc-sel-pulse {
  0%, 100% { stroke-opacity: 1;   stroke-width: 3; filter: drop-shadow(0 0 4px #ffcc00); }
  50%       { stroke-opacity: 0.2; stroke-width: 1; filter: drop-shadow(0 0 0px #ffcc00); }
}
.sc-selected {
  stroke: #ffcc00 !important;
  animation: sc-sel-pulse 0.9s ease-in-out infinite;
}

:root {
  --bg:         #1a1a1a;
  --panel-bg:   #222;
  --border:     #333;
  --island-gap: 6px;
  --panel-grip-hit: 8px; /* niewidoczna strefa chwytu (poza layoutem) */
  --accent:     #ffcc00;
  --text:       #e8e8e8;
  --text-mid:   #a8a8a8;
  --text-dim:   #555;
  --input-bg:   #2a2a2a;
  --stripe:     rgba(255, 204, 0, 0.15);
}

html, body { height: 100%; background: var(--bg); color: var(--text); font-family: "Segoe UI", sans-serif; font-size: 13px; }

/* ── Scrollbary ── */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--accent) transparent;
}
*::-webkit-scrollbar { width: 6px; height: 6px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }
*::-webkit-scrollbar-thumb:hover { background: var(--accent); opacity: 0.8; }
*::-webkit-scrollbar-corner { background: transparent; }

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* Klasyczny pasek menu — pierwszy od góry, na pełną szerokość */
#menubar {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  position: relative;
  flex-shrink: 0;
  width: 100%;
  height: 28px;
  padding: 0 4px;
  overflow: visible;
  user-select: none;
  z-index: 400;
  background: var(--panel-bg);
  border: none;
  border-bottom: 1px solid var(--border);
}
.menubar-logo {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  pointer-events: none;
  z-index: 0;
}
.menubar-brand {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.03em;
  line-height: 1;
}
.menu-item {
  position: relative;
  display: flex;
  align-items: stretch;
}
.menu-item.menu-item-end {
  margin-left: auto;
}
.menu-item.menu-item-end .menu-dropdown {
  left: auto;
  right: 0;
}
.menu-trigger {
  display: inline-flex;
  align-items: center;
  height: 100%;
  padding: 0 12px;
  border: none;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 12px;
  line-height: 1;
  white-space: nowrap;
  cursor: default;
}
.menu-item.open .menu-trigger,
.menu-trigger:hover {
  background: var(--input-bg);
}
.menu-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
  z-index: 500;
  padding: 4px 0;
}
.menu-item.open .menu-dropdown { display: block; }
.menu-dropdown button {
  display: flex;
  align-items: center;
  width: 100%;
  gap: 20px;
  padding: 5px 14px;
  border: none;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 12px;
  text-align: left;
  cursor: default;
  white-space: nowrap;
}
.menu-dropdown button:hover:not(:disabled) {
  background: var(--accent);
  color: #000;
}
.menu-dropdown button:disabled {
  opacity: 0.35;
  cursor: default;
}
.menu-dropdown button.active {
  color: var(--accent);
}
.menu-dropdown button.active:hover:not(:disabled) {
  color: #000;
}
.menu-dropdown button.menu-check {
  position: relative;
  padding-left: 26px;
}
.menu-dropdown button.menu-check.active {
  color: var(--text);
}
.menu-dropdown button.menu-check.active:hover:not(:disabled) {
  color: #000;
}
.menu-dropdown button.menu-check.active::before {
  content: '✓';
  position: absolute;
  left: 9px;
  font-weight: 700;
}
.menu-sep {
  height: 0;
  margin: 4px 0;
  border: none;
  border-top: 1px solid var(--border);
}
.menu-shortcut {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-mid);
}
.menu-dropdown button:hover:not(:disabled) .menu-shortcut { color: #000; }
#menubar .menu-auth-only { display: none; }
#menubar .menu-guest-only { display: flex; }
#menubar hr.menu-guest-only { display: block; }
#menubar.logged-in .menu-guest-only { display: none; }
#menubar.logged-in hr.menu-guest-only { display: none; }
#menubar.logged-in .menu-auth-only { display: flex; }
#menubar.logged-in hr.menu-auth-only { display: block; }

/* Pasek warstw — pod canvasem, nad panelami Moduły/Hierarchia/Akcje */
#layers-strip {
  position: relative;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 14px;
  overflow-x: auto;
  z-index: 20;
}
#layers-strip-label {
  position: absolute;
  left: 14px;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-mid);
  user-select: none;
  pointer-events: none;
}

#app-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: row;
  align-items: stretch;
  gap: var(--island-gap);
  padding: var(--island-gap);
  background: var(--bg);
  overflow: hidden;
}

#center-col {
  flex: 1;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: var(--island-gap);
  overflow: hidden;
}

#left-area {
  flex: 1;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#panel-canvas {
  flex: 1;
  min-height: 0;
  margin-bottom: var(--island-gap);
  background: #111;
  overflow: hidden;
}

#app-name { display: none; }
#author-tag {
  position: absolute;
  bottom: 8px;
  right: 12px;
  z-index: 10;
  font-family: 'Segoe UI', sans-serif;
  font-size: 11px;
  color: rgba(255,255,255,0.18);
  pointer-events: none;
  user-select: none;
  letter-spacing: 0.02em;
}

#fps-counter {
  position: absolute;
  bottom: 24px;
  right: 12px;
  z-index: 10;
  font-family: 'Segoe UI', sans-serif;
  font-size: 11px;
  color: rgba(255,255,255,0.18);
  pointer-events: none;
  user-select: none;
  letter-spacing: 0.02em;
}

#right-col {
  display: flex;
  flex-direction: row;
  gap: var(--island-gap);
  height: 220px;
  min-height: 80px;
  max-height: 500px;
  flex-shrink: 0;
  width: 100%;
}

#panel-modules,
#panel-tree,
#panel-actions {
  flex: 1 1 0;
  min-width: 50px;
}

#panel-params,
#panel-cabling {
  width: 280px;
  min-width: 160px;
  max-width: 560px;
  flex: 0 0 auto;
  align-self: stretch;
  overflow: visible;
}
#params-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

#cabling-view {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

.resizer {
  background: transparent;
  flex-shrink: 0;
  touch-action: none;
  box-sizing: border-box;
}
.resizer-v {
  cursor: col-resize;
  border-left: 1px solid var(--border);
  transition: border-color 0.15s;
}
.resizer-h {
  height: var(--island-gap);
  cursor: row-resize;
  border-top: 1px solid var(--border);
  transition: border-color 0.15s;
}
.resizer-v:hover,
.resizer-v.dragging,
.resizer-h:hover,
.resizer-h.dragging { border-color: var(--accent); }
@media (pointer: coarse) {
  .resizer-h { height: 10px; }
  .app-island-split-h > .panel-resizer-leading::before,
  .app-island-split-h > .panel-resizer-trailing::before { width: 12px; }
}

.app-island {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
  min-height: 0;
}
.app-island-split-h {
  flex-direction: row;
  align-items: stretch;
}
.panel-island-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.app-island-split-h > .panel-resizer-leading,
.app-island-split-h > .panel-resizer-trailing {
  width: 0;
  min-width: 0;
  flex: 0 0 0;
  align-self: stretch;
  position: relative;
  z-index: 20;
  background: transparent;
  border: none !important;
  overflow: visible;
}
.app-island-split-h > .panel-resizer-leading::before,
.app-island-split-h > .panel-resizer-trailing::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: var(--panel-grip-hit);
  background: transparent;
  cursor: col-resize;
}
.app-island-split-h > .panel-resizer-leading::before {
  left: calc(var(--panel-grip-hit) / -2);
}
.app-island-split-h > .panel-resizer-trailing::before {
  right: calc(var(--panel-grip-hit) / -2);
}
.app-island-split-h > .panel-resizer-leading:hover,
.app-island-split-h > .panel-resizer-trailing:hover,
.app-island-split-h > .panel-resizer-leading.dragging,
.app-island-split-h > .panel-resizer-trailing.dragging {
  background: transparent;
  border: none !important;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  height: 32px;
  box-sizing: border-box;
  padding: 0 32px;
  border-bottom: 1px solid var(--border);
  background: var(--panel-bg);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  flex-shrink: 0;
  overflow: hidden;
}
.panel-header > span {
  display: inline-flex;
  align-items: center;
  position: relative;
  z-index: 2;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  min-width: 0;
}
.panel-header > .btn-icon {
  position: absolute;
  left: 6px;
  z-index: 3;
}
#btn-overlays-toggle { left: 6px;  }
#btn-cabling-toggle  { left: 32px; }
.panel-header > .btn-help {
  left: auto;
  right: 6px;
  z-index: 3;
  color: var(--accent);
}
.btn-icon.active { color: var(--accent); }

#btn-overlays-toggle,
#btn-cabling-toggle {
  border-color: var(--accent);
  width: 22px;
  height: 22px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  font-size: 13px;
}
#btn-overlays-toggle:hover,
#btn-cabling-toggle:hover { background: var(--accent); color: #000; }
#btn-overlays-toggle.active,
#btn-cabling-toggle.active { color: var(--accent); }
#btn-overlays-toggle.active:hover,
#btn-cabling-toggle.active:hover { background: var(--accent); color: #000; }

/* ── Canvas SVG ── */
#panel-canvas {
  position: relative;
}
#canvas-toolbar {
  position: absolute;
  top: 6px;
  right: 6px;
  z-index: 10;
  display: flex;
  gap: 2px;
}
#canvas-toolbar button {
  background: rgba(34,34,34,0.9);
  border: 1px solid var(--border);
  color: var(--text-dim);
  width: 26px;
  height: 26px;
  font-size: 15px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
#canvas-toolbar button:hover { background: #2a2a2a; color: var(--accent); border-color: var(--accent); }
#svg-viewport {
  width: 100%;
  height: 100%;
  display: block;
  cursor: default;
  touch-action: none;
}
/* Przezroczysta nakładka łapiąca wszystkie zdarzenia sceny (trafianie przez pickAt).
   Nad GL/SVG, pod #canvas-toolbar (z-index:10). */
#scene-events {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 5;
  cursor: default;
  touch-action: none;
}

/* ── Drzewo modułów (jak hierarchia) ── */
#module-list {
  flex: 1;
  overflow-y: auto;
  font-size: 12px;
}
#module-list .tree-item {
  cursor: default;
  flex-wrap: nowrap;
  min-height: 28px;
}
#module-list .tree-item.tree-l1 { cursor: pointer; }
#module-list .tree-item.tree-l2[draggable="true"] { cursor: grab; }
#module-list .tree-item.tree-l2[draggable="true"]:active { cursor: grabbing; }
#module-list .tree-label,
#module-list .tree-dim {
  white-space: nowrap;
  line-height: 1;
}
#module-list .tree-label {
  flex: 1;
  overflow: hidden;
}
#module-list .tree-dim { flex-shrink: 0; }
#module-list .tree-item.module-project .tree-label {
  color: var(--text-mid);
  font-style: italic;
}
.tree-mod-thumb-slot {
  flex-shrink: 0;
  width: 26px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}
.tree-mod-thumb {
  display: block;
  flex-shrink: 0;
  box-sizing: border-box;
  border: 1px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 20%, transparent);
  border-radius: 1px;
}
#module-list .tree-item.module-project .tree-mod-thumb {
  border-color: var(--text-mid);
  background: color-mix(in srgb, var(--text-mid) 18%, transparent);
}
.btn-transfer-module { color: var(--accent) !important; font-weight: 700; font-size: 14px; }
.btn-transfer-module:hover { filter: brightness(1.3); }
.btn-icon {
  background: none;
  border: 1px solid transparent;
  color: var(--text-dim);
  font-size: 12px;
  cursor: pointer;
  line-height: 1;
  padding: 2px 5px;
  flex-shrink: 0;
  font-family: inherit;
  min-width: 28px;
  min-height: 28px;
}
/* Wieksze cele dotykowe na tabletach (urzadzenia bez precyzyjnego wskaznika) */
@media (pointer: coarse) {
  .btn-icon { min-width: 38px; min-height: 38px; font-size: 15px; padding: 4px 8px; }
}
.btn-icon:hover { color: var(--accent); border-color: var(--border); }
.btn-help { color: var(--accent); }

.canvas-type-menu.hidden { display: none; }
.canvas-type-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 200;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-width: 80px;
}
.canvas-type-menu button {
  background: none;
  border: none;
  color: var(--text);
  font-family: inherit;
  font-size: 12px;
  padding: 5px 10px;
  text-align: left;
  cursor: pointer;
}
.canvas-type-menu button:hover { background: var(--border); color: var(--accent); }

/* ── Edytor modułu ── */
#mod-editor-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
#mod-editor-overlay.hidden { display: none; }
#module-editor {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  padding: 0 0 4px;
  min-width: 260px;
  max-width: 340px;
  width: 100%;
  display: flex;
  flex-direction: column;
}
.mod-editor-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-mid);
  padding: 8px 10px 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2px;
  white-space: nowrap;
}
.action-section-label.params-section-check {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}
.action-section-label.params-section-check input[type="checkbox"] { accent-color: var(--accent); }

.params-kab-scope {
  font-size: 9px;
  font-weight: 600;
  color: var(--text-mid);
  letter-spacing: 0.04em;
  padding: 0 10px 6px;
  opacity: 0.85;
  white-space: nowrap;
}
.params-kab-num-row {
  display: flex;
  align-items: stretch;
  gap: 6px;
  padding: 0 10px 6px;
}
.params-kab-num-row select,
.params-kab-num-row .btn-secondary {
  flex: 1 1 0;
  min-width: 0;
  width: 0;
}
.params-kab-num-row select {
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 11px;
  padding: 5px 4px;
  font-family: inherit;
}
.params-kab-num-row .btn-secondary {
  text-align: center;
  white-space: nowrap;
}
.params-btns.params-kab-borders {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4px;
  padding: 0 10px 6px;
}
.params-btns.params-kab-borders > * {
  flex: unset;
  min-width: 0;
  width: 100%;
}
.params-kab-border-grid {
  padding: 0 10px 10px;
}
#params-view-l .params-grid .field-row label,
#params-view-r .params-grid .field-row label,
.params-grid .field-row label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px;
  white-space: nowrap;
}
#params-view-l .params-grid .field-row label span,
#params-view-r .params-grid .field-row label span {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
#params-view-l .params-grid .field-row input[type="range"],
#params-view-r .params-grid .field-row input[type="range"] { margin-top: 1px; }

.field-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.field-row label { font-size: 10px; color: var(--text-mid); letter-spacing: 0.03em; font-weight: 600; }
.field-row input {
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 3px 6px;
  font-size: 12px;
  width: 100%;
  font-family: inherit;
}
.field-row input:focus { outline: none; border-color: var(--accent); }
.field-unit-wrap {
  display: flex;
  align-items: stretch;
  width: 100%;
}
.field-unit-wrap input {
  flex: 1;
  min-width: 0;
  border-right: none;
}
.field-unit {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  padding: 0 7px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-mid);
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-left: none;
}
.field-unit-wrap:focus-within input,
.field-unit-wrap:focus-within .field-unit { border-color: var(--accent); }
.expr-preview {
  display: block;
  height: 12px;
  font-size: 10px;
  color: var(--accent);
  padding-left: 2px;
  line-height: 12px;
}
.btn-primary,
.btn-secondary,
.btn-toggle {
  font-family: inherit;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 5px 8px;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
  flex-shrink: 0;
}
.btn-primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}
.btn-primary:hover { filter: brightness(1.15); }
.btn-secondary {
  background: var(--input-bg);
  color: var(--text-mid);
  border-color: var(--border);
}
.btn-secondary:hover { color: var(--text); border-color: var(--text-mid); }
.btn-secondary.btn-active { background: var(--accent); color: #000; border-color: var(--accent); }

/* Wewnętrzny nośnik tekstu — host (przycisk, etykieta) zachowuje rozmiar, kurczy się tylko czcionka */
.ui-fit-text-inner {
  display: inline-block;
  max-width: 100%;
  white-space: nowrap;
  vertical-align: inherit;
}

/* ── Drzewo ── */
#tree-view {
  flex: 1;
  overflow-y: auto;
  font-size: 12px;
}
.tree-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  user-select: none;
  flex-wrap: nowrap;
}
.tree-item:hover { background: rgba(255,255,255,0.03); }
.tree-item.port-sel-main,
.tree-item.port-sel-main:hover   { background: rgba(255, 204, 0, 0.18) !important; }
.tree-item.port-sel-backup,
.tree-item.port-sel-backup:hover { background: rgba(80, 180, 255, 0.18) !important; }
.tree-item.selected { background: rgba(255,204,0,0.08); }
.tree-item.selected .tree-label { color: var(--accent); }
.tree-icon-canvas {
  width: 10px; height: 10px;
  border: 1px solid var(--accent);
  flex-shrink: 0;
}
.tree-l1 { padding-left: 16px; }
.tree-l2 { padding-left: 30px; }
.tree-l3 { padding-left: 46px; }
.tree-l4 { padding-left: 60px; }
.tree-icon-screen {
  width: 8px; height: 8px;
  border: 1px solid #888;
  flex-shrink: 0;
}
.tree-icon-kabinet {
  width: 6px; height: 6px;
  border: 1px solid #555;
  flex-shrink: 0;
}
.tree-l2.selected .tree-icon-screen   { border-color: var(--accent); }
.tree-l3.selected .tree-icon-kabinet  { border-color: var(--accent); }
.tree-toggle {
  font-size: 8px;
  color: var(--text-dim);
  width: 12px;
  flex-shrink: 0;
  text-align: center;
  cursor: pointer;
  line-height: 1;
}
.tree-toggle:hover { color: var(--accent); }
.tree-toggle-leaf { cursor: default; pointer-events: none; }
.tree-label {
  flex: 1;
  font-weight: 700;
  font-size: 11px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
}
.tree-dim {
  font-size: 10px;
  color: var(--text-mid);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
  white-space: nowrap;
}
.tree-type {
  font-size: 9px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  flex-shrink: 0;
  margin-right: 4px;
  white-space: nowrap;
  overflow: hidden;
}

/* ── Parametry ── */
#params-view-l,
#params-view-r {
  padding: 0;
  flex: 0 0 auto;
  font-size: 12px;
}
#params-view-l:only-child,
#params-view-l:last-child:not(:only-child) { flex: 1; min-height: 0; }
#actions-view {
  padding: 0;
  overflow-y: auto;
  flex: 1;
  font-size: 12px;
}
#params-view-l .export-field-label,
#params-view-r .export-field-label {
  padding: 2px 10px 0;
}
.params-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding: 6px 10px 4px;
}
.params-grid .field-row { min-width: 0; }
.params-grid .field-row:only-child,
.field-row.wide { grid-column: 1 / -1; }
.params-btns { display: flex; gap: 4px; padding: 4px 10px 8px; flex-wrap: wrap; }
.params-btns > * { flex: 1; min-width: 60px; flex-shrink: 0; }
.btn-group { display: flex; flex: 1; min-width: 0; border: 1px solid var(--border); }
.cb-dir-grid { display: flex; flex-wrap: nowrap; gap: 2px; }
.cb-dir, .cb-dir-pencil { padding: 2px; flex: 1; }
.cb-dir svg, .cb-dir-pencil svg { display: block; width: 100%; height: auto; aspect-ratio: 3/2; }
.btn-group:has(.active) { border-color: var(--accent); }
.btn-group > * { flex: 1; min-width: 0; border: none !important; outline: none; }
.btn-group > *:not(:last-child) { border-right: 1px solid var(--border) !important; }
.params-btns-2col { display: grid; grid-template-columns: 1fr 1fr; }

select {
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
}
select option { border-radius: 0; }

.field-row select {
  background: var(--input-bg); border: 1px solid var(--border);
  color: var(--text); padding: 3px 6px; font-size: 12px;
  width: 100%; font-family: inherit; cursor: pointer; border-radius: 0;
}
.field-row select:focus { outline: none; border-color: var(--accent); }

/* Własna lista rozwijana — ostre krawędzie (zamiast natywnego popupu) */
.pix-select {
  position: relative;
  display: block;
  min-width: 0;
}
.field-row .pix-select,
.params-btns .pix-select,
.sc-grid .pix-select { width: 100%; }
.params-kab-num-row .pix-select {
  flex: 1 1 0;
  min-width: 0;
  width: 0;
}
.pix-select-native {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}
.pix-select-btn {
  display: block;
  width: 100%;
  box-sizing: border-box;
  text-align: left;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 0;
  color: var(--text);
  padding: 3px 6px;
  font-size: 12px;
  font-family: inherit;
  font-weight: inherit;
  letter-spacing: inherit;
  cursor: pointer;
  white-space: nowrap;
}
.params-btns .pix-select-btn,
.params-kab-num-row .pix-select-btn {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 5px 4px;
}
.sc-grid .pix-select-btn {
  padding: 6px 8px;
  font-size: 13px;
}
.pix-select-btn:hover { border-color: var(--text-mid); }
.pix-select.open .pix-select-btn { border-color: var(--accent); }
.pix-select-list {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 0;
  box-sizing: border-box;
  max-height: min(240px, 50vh);
  overflow-x: hidden;
  overflow-y: auto;
}
.pix-select-list.hidden { display: none !important; }
.pix-select-opt {
  display: block;
  width: 100%;
  box-sizing: border-box;
  text-align: left;
  background: transparent;
  border: none;
  border-radius: 0;
  color: var(--text);
  padding: 5px 8px;
  font-family: inherit;
  font-size: 12px;
  font-weight: inherit;
  cursor: pointer;
  white-space: nowrap;
}
.params-btns .pix-select-opt,
.params-kab-num-row .pix-select-opt { font-size: 11px; font-weight: 600; }
.sc-grid .pix-select-opt { font-size: 13px; padding: 6px 8px; }
.pix-select-opt:hover { background: var(--stripe); }
.pix-select-opt.active { color: var(--accent); }
.action-sep { border: none; border-top: 1px solid var(--border); margin: 6px 0; }

.action-section-label {
  padding: 5px 10px 2px;
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  border-top: 1px solid var(--border);
  margin-top: 2px;
  flex-shrink: 0;
  white-space: nowrap;
}
.action-section-label:first-child { border-top: none; margin-top: 0; }

/* Panel eksportu — osobne sekcje PNG / FBX / SCR */
.export-panel {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 4px 0 8px;
}
.export-section {
  margin: 0 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.12);
  overflow: hidden;
}
.export-section .action-section-label {
  border-top: none;
  margin-top: 0;
  padding: 6px 10px 4px;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.1);
  color: var(--text-mid);
  font-weight: 600;
  letter-spacing: 0.06em;
}
.export-section .params-btns {
  padding: 5px 8px 7px;
}
.export-section .params-grid {
  padding: 5px 8px 7px;
  gap: 6px;
}
.export-section .chk-grid {
  padding: 5px 8px 7px;
}
.export-section .info-row {
  padding: 3px 8px 2px;
}
.export-section .info-table,
.export-section .info-table-power {
  margin: 2px 8px 8px;
  width: calc(100% - 16px);
}
.export-section .params-kab-scope {
  padding: 0 8px 6px;
}
.export-section .params-kab-num-row {
  padding: 0 8px 6px;
}
.export-section .params-kab-borders {
  padding: 0 8px 6px;
}
.export-section .params-kab-border-grid {
  padding: 0 8px 8px;
}
.export-section .export-field-label {
  display: block;
  padding: 2px 8px 0;
}
.export-section .action-section-label.params-section-sub {
  border-top: 1px solid var(--border);
  margin-top: 0;
  padding: 5px 10px 4px;
  font-size: 9px;
}
.export-field-label {
  flex-basis: 100%;
  font-size: 10px;
  font-weight: 500;
  color: var(--text-dim);
  padding: 2px 2px 0;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.export-3d-fields > select { margin-bottom: 2px; }

/* Suwaki w stylu reszty UI (ciemny tor, bursztynowy uchwyt) */
input[type=range],
.field-row input[type=range] {
  -webkit-appearance: none;
  appearance: none;
  accent-color: var(--accent);
  width: 100%;
  height: 16px;
  margin: 2px 0;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
}
input[type=range]:focus { outline: none; }
input[type=range]::-webkit-slider-runnable-track {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
}
input[type=range]::-moz-range-track {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
}
input[type=range]::-moz-range-progress {
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 8px;
  height: 14px;
  margin-top: -5.5px;
  border-radius: 0;
  background: var(--accent);
  border: 1px solid var(--bg);
  box-shadow: 0 0 0 1px var(--accent);
}
input[type=range]::-moz-range-thumb {
  width: 8px;
  height: 14px;
  border-radius: 0;
  background: var(--accent);
  border: 1px solid var(--bg);
  box-shadow: 0 0 0 1px var(--accent);
}
input[type=range]:hover::-webkit-slider-thumb { background: #ffd633; }
input[type=range]:hover::-moz-range-thumb { background: #ffd633; }

.info-row {
  display: flex;
  align-items: baseline;
  padding: 3px 10px 2px;
  gap: 8px;
  flex-wrap: nowrap;
}
.info-label {
  font-size: 10px;
  color: var(--text-mid);
  font-weight: 600;
  flex-shrink: 0;
  min-width: 56px;
  white-space: nowrap;
}
.info-val {
  flex: 1;
  font-size: 12px;
  color: var(--text);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  overflow: hidden;
}
.info-table {
  width: 100%;
  border-collapse: collapse;
  margin: 4px 0;
  table-layout: fixed;
  font-size: 11px;
}
.info-table td {
  padding: 3px 10px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  overflow: hidden;
  font-size: inherit;
}
.info-table td:first-child {
  font-size: inherit;
  color: var(--text-mid);
  font-weight: 600;
  width: 50%;
}
.info-table td:last-child {
  font-size: inherit;
  color: var(--text);
  font-weight: 700;
  text-align: right;
}
.info-table tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.02);
}
.info-table-power th {
  font-size: inherit;
  color: var(--text-mid);
  font-weight: 600;
  text-align: right;
  padding: 3px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  overflow: hidden;
}
.info-table-power th:first-child {
  text-align: left;
}
.info-table-power td {
  font-size: inherit;
  color: var(--text);
  font-weight: 700;
  text-align: right;
  padding: 3px 10px;
  width: auto;
  white-space: nowrap;
  overflow: hidden;
}
.info-table-power td:first-child {
  color: var(--text-mid);
  font-weight: 600;
  text-align: left;
}
.info-table-power tbody tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.02);
}
.info-table-power {
  margin: 0 0 8px;
  table-layout: fixed;
  font-size: 11px;
}

.btn-toggle,
.params-btns select {
  background: var(--input-bg);
  color: var(--text-mid);
  border-color: var(--border);
}
.params-btns select {
  font-family: inherit;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 5px 4px;
  border: 1px solid var(--border);
  border-radius: 0;
  cursor: pointer;
}
.btn-toggle.active { color: var(--accent); border-color: var(--accent); }
.btn-toggle:hover { color: var(--text); border-color: var(--text-mid); }
.btn-toggle.active:hover { color: var(--accent); }

.chk-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 3px;
  padding: 4px 10px;
}
.chk-preset {
  cursor: pointer;
  padding: 0;
  border: 2px solid #666;
  aspect-ratio: 2 / 1;
  min-height: 18px;
  display: block;
  width: 100%;
}
.chk-preset:hover { border-color: var(--accent); }
.chk-preset.chk-active { border-color: var(--accent); outline: 1px solid var(--accent); }
#p-chk-grid { grid-template-columns: repeat(9, 1fr); }
#p-chk-clear { aspect-ratio: unset; height: 100% !important; }
#p-label-colors { grid-template-columns: repeat(9, 1fr); }
#p-sc-bg-presets { grid-template-columns: repeat(9, 1fr); }
#p-bg-presets { grid-template-columns: repeat(8, 1fr); }
#p-kab-border-presets { grid-template-columns: repeat(9, 1fr); }
#p-kab-border-presets .chk-preset { aspect-ratio: unset; height: 14px; min-height: unset; }
#p-label-colors .chk-preset,
#p-sc-bg-presets .chk-preset,
#p-bg-presets .chk-preset,
#p-chk-grid .p-chk-preset { aspect-ratio: unset; height: 14px; min-height: unset; }
.chk-clear-btn {
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-muted);
  font-size: 13px;
  display: flex; align-items: center; justify-content: center;
}
.chk-clear-btn:hover { background: var(--hover); color: var(--text); }


.placeholder {
  display: block;
  padding: 8px 10px;
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Kablowanie ── */
#cabling-view {
  font-size: 12px;
}
#cb-chains-list {
  padding: 2px 0;
}
.cb-chain-item {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-bottom: 1px solid var(--border);
}
.cb-chain-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid rgba(0,0,0,0.4);
}
/* Ikona gniazda RJ45 przy każdym porcie (kolor styków = kolor łańcucha) */
.rj45-jack {
  display: inline-flex; align-items: center; line-height: 0;
  flex-shrink: 0;
}
.cb-chain-label {
  flex: 1;
  font-size: 11px;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cb-chain-count {
  font-weight: 400;
  color: var(--text-mid);
}
.cb-port-sel {
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 10px;
  font-family: inherit;
  padding: 1px 2px;
  cursor: pointer;
  width: 38px;
  flex-shrink: 0;
}
.cb-port-sel:focus { outline: none; border-color: var(--accent); }
.cb-chain-del {
  background: none;
  border: none;
  color: var(--text-mid);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 0 2px;
  flex-shrink: 0;
}
.cb-chain-del:hover { color: #ff4444; }
button[disabled] { opacity: 0.4; cursor: not-allowed; }

.proc-list-header {
  display: flex; align-items: center; gap: 5px;
  padding: 2px 8px; font-size: 10px; color: var(--text-mid);
}
.proc-item {
  display: flex; align-items: center; gap: 5px;
  padding: 3px 8px; border-bottom: 1px solid var(--border);
}
.proc-name {
  background: var(--input-bg); border: 1px solid var(--border);
  color: var(--text); font-size: 11px; font-family: inherit;
  padding: 1px 4px; min-width: 0;
}
.proc-name:focus { outline: none; border-color: var(--accent); }
.proc-del {
  background: none; border: none; color: var(--text-mid);
  cursor: pointer; font-size: 14px; line-height: 1; padding: 0 2px; flex-shrink: 0;
}
.proc-del:hover { color: #ff4444; }

/* Wiersz procesora — wygląd przedniego panelu rack (szczotkowany metal + śruby) */
#cb-port-tree .tree-item[data-cb-toggle="port-proc"] {
  position: relative;
  margin: 4px 2px;
  padding-left: 18px; padding-right: 18px;
  border: 1px solid rgba(0,0,0,0.55);
  border-radius: 3px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.10) 0%, rgba(255,255,255,0.02) 14%, rgba(0,0,0,0.18) 86%, rgba(0,0,0,0.32) 100%),
    repeating-linear-gradient(180deg, rgba(255,255,255,0.03) 0 1px, rgba(0,0,0,0.025) 1px 2px),
    linear-gradient(90deg, #3b434f, #2d343e);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.14), inset 0 -1px 0 rgba(0,0,0,0.45);
}
#cb-port-tree .tree-item[data-cb-toggle="port-proc"]:hover {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.14) 0%, rgba(255,255,255,0.04) 14%, rgba(0,0,0,0.16) 86%, rgba(0,0,0,0.30) 100%),
    repeating-linear-gradient(180deg, rgba(255,255,255,0.03) 0 1px, rgba(0,0,0,0.025) 1px 2px),
    linear-gradient(90deg, #434c59, #343c47);
}
/* Śruby montażowe rack po obu stronach panelu */
#cb-port-tree .tree-item[data-cb-toggle="port-proc"]::before,
#cb-port-tree .tree-item[data-cb-toggle="port-proc"]::after {
  content: ""; position: absolute; top: 50%; transform: translateY(-50%);
  width: 8px; height: 8px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #aab3bd 0%, #5a626c 55%, #20252b 100%);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.55), 0 1px 1px rgba(0,0,0,0.5);
}
#cb-port-tree .tree-item[data-cb-toggle="port-proc"]::before { left: 5px; }
#cb-port-tree .tree-item[data-cb-toggle="port-proc"]::after  { right: 5px; }
.port-row:hover { background: rgba(255,255,255,0.05); }
.port-badge {
  font-size: 9px; font-weight: 700; padding: 1px 0;
  width: 14px; text-align: center; box-sizing: border-box;
  display: inline-block;
  border-radius: 3px; flex-shrink: 0;
}
.port-badge-m { background: #ffcc00; color: #000; }
.port-badge-b { background: #50b4ff; color: #000; }
.port-badge-dim { opacity: 0.35; }
/* Niewidoczny placeholder — rezerwuje stałą szerokość, żeby pola nie skakały */
.port-badge-empty { visibility: hidden; }
/* Stałe proporcje pól w drzewie procesorów: zarezerwowana szerokość liczników,
   żeby różne wartości nie zmieniały układu (proc-name / Port pozostają stabilne). */
.proc-kab-count { width: 52px; text-align: right; flex-shrink: 0; }
.port-stats     { width: 52px; text-align: right; flex-shrink: 0; }
.port-del {
  background: none; border: none; color: var(--text-mid);
  cursor: pointer; font-size: 14px; line-height: 1;
  padding: 0 2px; flex-shrink: 0;
}
.port-del:hover { color: #ff4444; }
/* Nieaktywny przycisk akcji — rezerwuje stałą szerokość, żeby układ nie skakał */
.port-act-empty { visibility: hidden; pointer-events: none; }
/* M/B w jednej, stałej kolumnie; [x] portów w jednej, stałej kolumnie */
.port-badge-col { width: 16px; flex-shrink: 0; display: flex; justify-content: center; align-items: center; }
.port-act-col   { width: 24px; flex-shrink: 0; display: flex; justify-content: center; align-items: center; }
.cb-proc-header {
  padding: 4px 8px 1px;
  margin-top: 4px;
  border-top: 1px solid var(--border);
}
.cb-proc-header:first-child { margin-top: 0; border-top: none; }
.cb-proc-name {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-mid);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
/* ── Drzewo łańcuchów ── */
.cb-tree-cv {
  padding: 4px 8px 2px;
  border-top: 1px solid var(--border);
  margin-top: 2px;
}
.cb-tree-cv:first-child { border-top: none; margin-top: 0; }
.cb-tree-proc {
  position: relative;
  padding: 2px 8px 1px 18px;
}
.cb-tree-proc::before {
  content: '├';
  position: absolute;
  left: 6px;
  color: var(--text-dim);
  font-size: 10px;
}
.cb-tree-proc.last::before { content: '└'; }
.cb-tree-proc-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.03em;
}
.cb-tree-leaf {
  padding-left: 28px;
  position: relative;
}
.cb-tree-leaf::before {
  content: '├';
  position: absolute;
  left: 16px;
  color: var(--text-dim);
  font-size: 10px;
}
.cb-tree-leaf.last-in-proc::before { content: '└'; }
.cb-proc-num {
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
  font-family: inherit;
  width: 28px;
  padding: 1px 3px;
  text-align: center;
  flex-shrink: 0;
}
.cb-proc-num:focus { outline: none; border-color: var(--accent); }

/* ── Przełączniki warstw ── */
#layers-toggles {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: center;
  gap: 6px;
}
.layer-tog {
  font-family: inherit;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 3px 8px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--text-mid);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}
.layer-tog:hover { color: var(--text); border-color: var(--text-mid); }
.layer-tog.active { color: var(--accent); border-color: var(--accent); }
.layer-tog.active:hover { color: var(--accent); }

/* ── Schematy kolorystyczne ── */

/* Dark (domyślny) */
#app[data-theme="dark"] {
  --panel-bg:  #222;
  --border:    #333;
  --accent:    #ffcc00;
  --text:      #e8e8e8;
  --text-mid:  #a8a8a8;
  --text-dim:  #555;
  --input-bg:  #2a2a2a;
  --stripe:    rgba(255, 204, 0, 0.15);
}

/* Light – jasny motyw */
#app[data-theme="light"] {
  --panel-bg:  #f8f9fa;
  --border:    #dee2e6;
  --accent:    #0070f3;
  --text:      #1a1d23;
  --text-mid:  #4a5568;
  --text-dim:  #adb5bd;
  --input-bg:  #ffffff;
  --stripe:    rgba(0, 112, 243, 0.1);
}
#app[data-theme="light"] .btn-primary { color: #fff; }

/* ── Modal confirm ── */
#modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 9000;
}
#modal-overlay.hidden { display: none; }
#modal-box {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  padding: 20px 24px 16px;
  min-width: 220px;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
#modal-msg {
  font-size: 13px;
  color: var(--text);
  line-height: 1.5;
  text-align: center;
  white-space: nowrap;
}
#modal-btns { display: flex; gap: 6px; }
#modal-btns > * { flex: 1; min-width: 60px; flex-shrink: 0; }

#prompt-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 9000;
}
#prompt-overlay.hidden { display: none; }
#prompt-msg {
  font-size: 13px;
  color: var(--text);
  margin-bottom: 10px;
  white-space: nowrap;
}
#prompt-input {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 5px 8px;
  font-size: 13px;
  font-family: inherit;
}
#prompt-input:focus { outline: none; border-color: var(--accent); }

#screen-creator-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.62);
  backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center;
  z-index: 9000;
}
#screen-creator-overlay.hidden { display: none; }
#screen-creator-box {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  box-shadow: 0 18px 50px rgba(0,0,0,0.55);
  width: fit-content;
  max-width: 94vw;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Header */
.sc-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,204,0,0.06), transparent);
}
.sc-header-mark {
  width: 4px;
  height: 18px;
  background: var(--accent);
  flex-shrink: 0;
}
.sc-header-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.sc-header-sub {
  font-size: 12px;
  color: var(--text-mid);
  margin-left: auto;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* Body / columns */
.sc-body {
  display: flex;
  gap: 22px;
  padding: 18px 20px;
  overflow-y: auto;
}
.sc-col {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.sc-col-form  { width: 250px; }
.sc-col-style { width: 270px; }

/* Form grid */
.sc-grid {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 8px 10px;
  align-items: center;
}
.sc-grid > label {
  font-size: 12px;
  color: var(--text-mid);
  white-space: nowrap;
}
.sc-grid input, .sc-grid select {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 8px;
  font-size: 13px;
  font-family: inherit;
  box-sizing: border-box;
  transition: border-color .12s;
}
.sc-grid input:focus, .sc-grid select:focus {
  outline: none;
  border-color: var(--accent);
}
.sc-dual {
  display: flex;
  align-items: center;
  gap: 6px;
}
.sc-dual input { text-align: center; }
.sc-dual-sep {
  color: var(--text-dim);
  font-size: 13px;
  flex-shrink: 0;
}
.sc-preview {
  font-size: 12px;
  color: var(--text-mid);
  text-align: center;
  font-variant-numeric: tabular-nums;
  line-height: 1.5;
  min-height: 16px;
}

/* Section labels */
.sc-section-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-mid);
  text-transform: uppercase;
  letter-spacing: 0.7px;
  margin-top: 4px;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.sc-col-style .sc-section-label:first-child { margin-top: 0; }

/* Warstwy wizualne — checkboxy */
.sc-layer-checks {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.sc-layer-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
}
.sc-layer-check input[type="checkbox"] {
  accent-color: var(--accent);
  flex-shrink: 0;
  margin: 0;
  cursor: pointer;
}

/* Color swatch grids */
.sc-chk {
  padding: 0;
  gap: 3px;
}
#sc-label-colors, #sc-bg-grid, #sc-border-grid {
  grid-template-columns: repeat(9, 1fr);
}
#sc-chk-grid {
  grid-template-columns: repeat(9, 1fr);
}
.sc-chk .chk-preset {
  border-width: 2px;
  aspect-ratio: unset;
  height: 18px;
  min-height: unset;
}
#sc-chk-grid .chk-preset { height: 22px; }

/* Border style buttons */
.sc-border-btns {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4px;
}
.sc-border-btns .btn-toggle { padding: 5px 4px; }

/* Footer */
.sc-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  background: rgba(0,0,0,0.15);
}
.sc-footer button {
  padding: 8px 18px;
  font-size: 12px;
}

#ctx-menu {
  position: fixed;
  z-index: 2000;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 0;
  min-width: 130px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}
#ctx-menu.hidden { display: none; }
#ctx-menu button {
  display: block;
  width: 100%;
  padding: 7px 16px;
  background: none;
  border: none;
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  white-space: nowrap;
}
#ctx-menu button:hover { background: var(--accent); color: #000; }
#ctx-menu button:disabled { opacity: 0.35; cursor: default; }
#ctx-menu button:disabled:hover { background: none; color: var(--text); }
#ctx-menu .ctx-hr { border: none; border-top: 1px solid var(--border); margin: 3px 0; }
#ctx-menu button.hidden, #ctx-menu .ctx-hr.hidden { display: none; }

#report-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 2000;
}
#report-overlay.hidden { display: none; }
#report-box {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  width: min(720px, 92vw);
  max-height: 82vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 4px;
}
#report-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  flex-shrink: 0;
}
#report-body {
  padding: 14px 16px;
  overflow-y: auto;
  font-size: 12px;
  color: var(--text);
  line-height: 1.5;
}
.report-section { margin-bottom: 18px; }
.report-section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 6px;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--border);
}
.report-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}
.report-table td {
  padding: 3px 8px 3px 0;
  vertical-align: top;
}
.report-table td:last-child { text-align: right; padding-right: 0; opacity: 0.75; }
.report-table tr.report-sub td { padding-left: 14px; opacity: 0.8; }
.report-total { font-weight: 600; }

#overflow-tip {
  position: fixed;
  z-index: 3000;
  pointer-events: none;
  background: #1a1a1a;
  border: 1px solid #e53935;
  border-left: 3px solid #e53935;
  color: #ffaaaa;
  font-size: 12px;
  font-family: 'Segoe UI', sans-serif;
  padding: 5px 10px;
  border-radius: 3px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.5);
  max-width: 320px;
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-wrap: break-word;
  word-break: break-word;
}
#overflow-tip.hidden { display: none; }

#cabling-tip {
  position: fixed;
  z-index: 3000;
  pointer-events: none;
  background: #1a1a1a;
  border: 1px solid #e53935;
  border-left: 3px solid #e53935;
  color: #ffaaaa;
  font-size: 12px;
  font-family: 'Segoe UI', sans-serif;
  padding: 4px 10px;
  border-radius: 3px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.5);
  white-space: nowrap;
  transform: translate(14px, 14px);
}
#cabling-tip.hidden { display: none; }

#help-tip {
  position: fixed;
  z-index: 3000;
  pointer-events: none;
  background: #1a1a1a;
  border: 1px solid #3a3a3a;
  border-left: 3px solid #4a90d9;
  color: #e0e0e0;
  font-size: 12px;
  line-height: 1.4;
  font-family: 'Segoe UI', sans-serif;
  padding: 6px 10px;
  border-radius: 3px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.5);
  max-width: 240px;
  transform: translate(14px, 14px);
}
#help-tip.hidden { display: none; }

#help-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 2000;
}
#help-overlay.hidden { display: none; }
#help-box {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  min-width: 420px;
  max-width: 580px;
  width: 90vw;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
#help-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  flex-shrink: 0;
}
#help-body {
  padding: 14px 16px;
  overflow-y: auto;
  font-size: 12px;
  color: var(--text);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
#help-body p { margin: 0; }

#sliders-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 2000;
}
#sliders-overlay.hidden { display: none; }
#sliders-box {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  min-width: 380px;
  max-width: 480px;
  width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
#sliders-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  flex-shrink: 0;
}
#sliders-body {
  padding: 12px 16px 16px;
  overflow-y: auto;
}
.help-section-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-top: 6px;
}
.help-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}
.help-table td {
  padding: 3px 8px 3px 0;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}
.help-table tr:last-child td { border-bottom: none; }
.help-table td:last-child { color: #aaa; padding-left: 12px; }
.help-key {
  font-family: monospace;
  background: #2a2a2a;
  border: 1px solid #555;
  border-radius: 3px;
  padding: 1px 6px;
  color: #ffcc00;
  white-space: nowrap;
  font-size: 11px;
}

#sel-count-tip {
  position: fixed;
  z-index: 3000;
  pointer-events: none;
  background: #1a1a1a;
  border: 1px solid #ffcc00;
  color: #ffcc00;
  font-size: 12px;
  font-weight: 600;
  font-family: 'Segoe UI', sans-serif;
  padding: 3px 8px;
  border-radius: 3px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.5);
  white-space: pre;
  transform: translate(14px, 14px);
}
#sel-count-tip.hidden { display: none; }

#split-pos-tip {
  position: fixed;
  z-index: 3000;
  pointer-events: none;
  background: #1a1a1a;
  border: 1px solid #ffcc00;
  color: #ffcc00;
  font-size: 12px;
  font-weight: 600;
  font-family: 'Segoe UI', sans-serif;
  padding: 3px 8px;
  border-radius: 3px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.5);
  white-space: pre;
  transform: translate(14px, 14px);
}
#split-pos-tip.hidden { display: none; }

#ph-style-tip {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  z-index: 3000;
  pointer-events: none;
  background: #1a1a1a;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  font-family: 'Segoe UI', sans-serif;
  padding: 4px 12px;
  border-radius: 4px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.45);
  white-space: nowrap;
  opacity: 1;
  transition: opacity 0.25s ease;
}
#ph-style-tip.hidden { opacity: 0; }

#scan-ctx-menu {
  position: fixed;
  z-index: 2000;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 0;
  min-width: 170px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}
#scan-ctx-menu.hidden { display: none; }
#scan-ctx-menu .ctx-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted, #888);
  padding: 4px 12px 2px;
  user-select: none;
  white-space: nowrap;
}
#scan-ctx-menu .scan-opt {
  display: block;
  width: 100%;
  padding: 6px 12px 6px 26px;
  background: none;
  border: none;
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  position: relative;
  white-space: nowrap;
}
#scan-ctx-menu .scan-opt:hover { background: var(--accent); color: #000; }
#scan-ctx-menu .scan-opt.active::before {
  content: '✓';
  position: absolute;
  left: 9px;
}
#scan-ctx-menu hr.ctx-sep {
  border: none;
  border-top: 1px solid var(--border);
  margin: 4px 0;
}

#ruler-ctx-menu {
  position: fixed;
  z-index: 2000;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 0;
  min-width: 190px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}
#ruler-ctx-menu.hidden { display: none; }
#ruler-ctx-menu .ctx-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted, #888);
  padding: 4px 12px 2px;
  user-select: none;
  white-space: nowrap;
}
#ruler-ctx-menu .ruler-opt {
  display: block;
  width: 100%;
  padding: 6px 12px 6px 26px;
  background: none;
  border: none;
  color: var(--text);
  font-size: 13px;
  white-space: nowrap;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  position: relative;
}
#ruler-ctx-menu .ruler-opt:hover { background: var(--accent); color: #000; }
#ruler-ctx-menu .ruler-opt.active::before {
  content: '✓';
  position: absolute;
  left: 9px;
}

/* ── Login overlay ────────────────────────────────────────────────────────── */
#login-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,.75);
  display: flex; align-items: center; justify-content: center;
}
#login-overlay.hidden { display: none; }

/* Belki montażowe kabinetu LED + uchwyty na szekle */
.login-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.login-rig {
  width: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.login-flybars {
  --login-w: 320px;
  --flybar-w: calc(var(--login-w) / 4 / 3);
  --flybar-h: 5px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: var(--login-w);
  padding: 12px 0 0;
}
.login-flybar {
  width: var(--flybar-w);
  height: var(--flybar-h);
  justify-self: center;
  position: relative;
  border-radius: 1px;
  background: linear-gradient(
    180deg,
    #2e2e2e 0%,
    #111 48%,
    #080808 100%
  );
  box-shadow:
    0 2px 5px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    inset 0 -1px 0 rgba(0, 0, 0, 0.5);
}
.login-flybar::before,
.login-flybar::after {
  content: '';
  position: absolute;
  bottom: -2px;
  width: 3px;
  height: 2px;
  background: linear-gradient(180deg, #222, #0a0a0a);
  border: 1px solid #1a1a1a;
  border-top: none;
  border-radius: 0 0 1px 1px;
}
.login-flybar::before { left: 2px; }
.login-flybar::after  { right: 2px; }
.login-shackle {
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 7px;
  border: 2px solid #555;
  border-radius: 50%;
  background: transparent;
  box-sizing: border-box;
  box-shadow:
    inset 0 0 0 1px #222,
    0 0 0 1px rgba(0, 0, 0, 0.45);
}
.login-shackle::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: #444;
  box-shadow: 0 0 0 1px #333;
}

#login-box {
  position: relative;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 32px 28px;
  width: 320px;
  display: flex; flex-direction: column; gap: 10px;
  margin-top: -1px;
  box-shadow:
    inset 0 3px 0 #111,
    inset 0 4px 0 color-mix(in srgb, var(--accent) 35%, #111),
    0 8px 24px rgba(0, 0, 0, 0.35);
}
/* Górna krawędź „kabinetu LED” pod hakami */
#login-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: repeating-linear-gradient(
    90deg,
    #1a1a1a 0px,
    #1a1a1a 6px,
    #252525 6px,
    #252525 7px
  );
  pointer-events: none;
}
.login-version {
  position: absolute;
  top: 10px;
  right: 12px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-mid);
  letter-spacing: 0.02em;
  pointer-events: none;
  user-select: none;
}
.login-version:empty { display: none; }
#login-title {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.35em;
  flex-wrap: wrap;
  text-align: center;
  margin-bottom: 4px;
}
#login-title .login-brand {
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
}
#login-title .login-beta {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  opacity: 0.8;
  letter-spacing: 0.06em;
  text-transform: lowercase;
}
#login-tabs { display: flex; gap: 0; border-radius: 0; overflow: hidden; border: 1px solid var(--border); }
.login-tab {
  flex: 1; padding: 7px; background: transparent; border: none;
  color: var(--text-muted); cursor: pointer; font-size: 13px;
}
.login-tab.active { background: var(--accent); color: #000; font-weight: 600; }
#login-box input {
  padding: 8px 10px; border-radius: 0;
  border: 1px solid var(--border); background: var(--bg);
  color: var(--text); font-size: 14px; user-select: text;
}
#login-box input:focus { outline: none; border-color: var(--accent); }
#login-error {
  color: #e53935; font-size: 12px; text-align: center;
  background: rgba(229,57,53,.1); border-radius: 0; padding: 5px 8px;
}
#login-error.hidden { display: none; }

/* ── User bar ─────────────────────────────────────────────────────────────── */
#user-bar {
  position: fixed; top: 8px; left: 50%; transform: translateX(-50%); z-index: 1500;
  display: flex; align-items: center; gap: 6px;
  background: var(--panel-bg); border: 1px solid var(--border);
  border-radius: 0; padding: 4px 10px;
  font-size: 12px; box-shadow: 0 2px 8px rgba(0,0,0,.4);
}
#user-bar.hidden { display: none; }
#user-bar-name { color: var(--accent); font-weight: 600; margin-right: 4px; }
#user-bar button {
  background: transparent; border: none; color: var(--text);
  cursor: pointer; font-size: 12px; padding: 2px 6px; border-radius: 4px;
}
#user-bar button:hover { background: var(--hover); }
#btn-cloud-save, #btn-cloud-projects { color: var(--text); }

/* ── Cloud projects modal ─────────────────────────────────────────────────── */
#cloud-overlay {
  position: fixed; inset: 0; z-index: 1800;
  background: rgba(0,0,0,.6);
  display: flex; align-items: center; justify-content: center;
}
#cloud-overlay.hidden { display: none; }
#cloud-box {
  background: var(--panel-bg); border: 1px solid var(--border);
  border-radius: 0; width: 480px; max-height: 70vh;
  display: flex; flex-direction: column;
  box-shadow: none;
}
#cloud-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  font-weight: 600; font-size: 14px;
}
#cloud-list { flex: 1; overflow-y: auto; padding: 8px 0; }
.cloud-loading, .cloud-empty, .cloud-error {
  padding: 24px; text-align: center; color: var(--text-muted); font-size: 13px;
}
.cloud-error { color: #e53935; }
.cloud-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 16px; border-bottom: 1px solid var(--border);
}
.cloud-row:last-child { border-bottom: none; }
.cloud-row-info { display: flex; flex-direction: column; gap: 2px; }
.cloud-row-name { font-size: 13px; font-weight: 500; }
.cloud-row-date { font-size: 11px; color: var(--text-muted); }
.cloud-row-btns { display: flex; gap: 6px; }
.cloud-row-btns button { font-size: 12px; padding: 4px 10px; }
.cloud-toolbar { padding: 8px 16px 12px; border-bottom: 1px solid var(--border); }
.cloud-row-active { background: var(--accent-soft, rgba(255,204,0,0.10)); }
.cloud-badge {
  font-size: 10px; font-weight: 600; text-transform: uppercase;
  color: var(--accent); border: 1px solid var(--accent);
  border-radius: 3px; padding: 0 5px; margin-left: 6px;
}
.cloud-history-box { padding: 4px 16px 8px 28px; border-bottom: 1px solid var(--border); }
.cloud-history-box.hidden { display: none; }
.cloud-hist-loading, .cloud-hist-empty { color: var(--text-muted); font-size: 12px; padding: 4px 0; }
.cloud-hist-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px; padding: 3px 0;
}
.cloud-hist-label { font-size: 12px; color: var(--text-muted); }
.cloud-hist-row button { font-size: 11px; padding: 2px 8px; }

/* ── Mobile menu ── */
#mobile-menu-btn,
#mobile-mirror-btn {
  display: none;
  position: fixed;
  top: 12px;
  z-index: 120;
  width: 44px; height: 44px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel-bg);
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,.4);
}
#mobile-menu-btn   { left: 12px; }
#mobile-mirror-btn { left: 64px; }
#mobile-mirror-btn.active { background: var(--accent); color: #000; border-color: var(--accent); }
#mobile-menu-overlay {
  position: fixed; inset: 0; z-index: 200;
  display: flex;
}
#mobile-menu-overlay.hidden { display: none; }
#mobile-menu-box {
  width: 100%; height: 100%;
  background: var(--panel-bg);
  display: flex; flex-direction: column;
  overflow: hidden;
}
#mobile-menu-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 600; font-size: 15px;
}
#mobile-menu-body {
  flex: 1; overflow-y: auto;
  padding: 12px 16px;
  display: flex; flex-direction: column; gap: 8px;
}
#mobile-menu-body .btn-primary,
#mobile-menu-body .btn-secondary {
  width: 100%; padding: 12px; font-size: 15px;
}
#mobile-menu-body .mob-section {
  font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .08em; color: var(--text-muted);
  margin: 6px 0 2px;
}
.mob-check {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 0; font-size: 15px; cursor: pointer;
  border-bottom: 1px solid var(--border);
}
.mob-check:last-child { border-bottom: none; }
.mob-check input[type="checkbox"] {
  width: 20px; height: 20px; cursor: pointer; accent-color: var(--accent);
}

/* ── Mobile toolbar (exp2) — zawsze widoczny na mobile, ukryty na desktop ── */
#mobile-toolbar {
  display: flex; gap: 6px; align-items: center;
  position: fixed; top: 8px; left: 8px; right: 8px;
  z-index: 120;
  padding: 4px;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,.4);
  overflow-x: auto;
}
.mob-btn {
  flex: 0 0 auto;
  height: 36px;
  padding: 0 12px;
  border-radius: 0;
  border: 1px solid var(--border);
  background: var(--panel-bg);
  color: var(--text);
  font-size: 14px; line-height: 1; white-space: nowrap;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.mob-btn-toggle.active {
  background: var(--accent); color: #000; border-color: var(--accent);
}
#mob-popup {
  position: fixed; top: 52px;
  z-index: 121;
  min-width: 180px; max-width: calc(100vw - 16px);
  max-height: calc(100vh - 64px);
  overflow-y: auto;
  padding: 6px;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 0;
  box-shadow: 0 4px 16px rgba(0,0,0,.5);
  display: flex; flex-direction: column; gap: 4px;
}
#mob-popup.hidden { display: none; }
#mob-popup button {
  width: 100%; text-align: left;
  padding: 10px 12px;
  background: transparent; color: var(--text);
  border: 1px solid transparent;
  border-radius: 0;
  font-size: 14px;
  cursor: pointer;
}
#mob-popup button:hover {
  background: var(--hover-bg, rgba(255,255,255,.06));
  border-color: var(--border);
}
#mob-popup .mob-popup-section {
  font-size: 10px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-muted); padding: 6px 12px 2px;
}
#mob-popup .mob-pop-check {
  display: inline-block; width: 1.2em; color: var(--accent);
}
#mob-fb-status {
  position: fixed; top: 52px; left: 50%; transform: translateX(-50%);
  z-index: 119;
  padding: 4px 18px;
  color: #ff2020; font-size: 30px; font-weight: 900;
  letter-spacing: 0.08em; text-transform: uppercase;
  text-shadow: 0 2px 6px rgba(0,0,0,.6);
  pointer-events: none; white-space: nowrap;
}
#mob-fb-status.hidden { display: none; }

/* Ukryj toolbar i popup na desktopie */
@media (min-width: 769px) {
  #mobile-toolbar { display: none; }
  #mob-popup { display: none; }
  #mob-fb-status { display: none; }
}

/* ── Mobile: ukryj wszystkie panele, tylko canvas ── */
@media (max-width: 768px) {
  #mobile-menu-btn, #mobile-mirror-btn { display: block; }

  #app-body { padding: 0; }
  #panel-canvas { margin-bottom: 0; }

  #right-col,
  #panel-cabling,
  #panel-params,
  #resizer-h,
  #resizer-cab,
  #resizer-paramL,
  #menubar,
  #layers-strip,
  #user-bar,
  #app-name,
  #author-tag,
  #fps-counter,
  #btn-overlays-toggle,
  #btn-cabling-toggle {
    display: none !important;
  }

  #left-area {
    width: 100vw;
    height: 100vh;
  }

  #panel-canvas {
    flex: 1;
    width: 100vw;
    height: 100vh;
  }
}