:root{
  --bg:#0b0f14;
  --line: rgba(255,255,255,.10);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.60);
  --shadow: 0 18px 55px rgba(0,0,0,.55);
  --r: 18px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;

  /* Layout sizing */
  --leftW: 260px;
  --rightW: 500px;
  --topH: 54vh;
  --gap: 14px;

  /* Node editor transform */
  --nx: 0px;
  --ny: 0px;
  --nz: 1;
}

  /* ===== Better Node Dropdown Styling ===== */
  select#nodeType{
    background: rgba(15,18,25,.95);
    color: rgba(255,255,255,.88);
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 14px;
    padding: 8px 12px;
    font-size: 12px;
    outline: none;
    cursor: pointer;
  }

  select#nodeType:hover{
    background: rgba(25,28,40,.95);
  }

  select#nodeType:focus{
    border-color: rgba(122,167,255,.55);
    box-shadow: 0 0 0 3px rgba(122,167,255,.15);
  }

  /* Darker dropdown list */
  select#nodeType option{
    background: #10131b;
    color: rgba(255,255,255,.9);
  }

select#nodeType optgroup{
  font-style: normal;
  font-weight: 700;
  color: rgba(180,200,255,.6);
}

.hdrInlineControls{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left: 12px;
  flex-wrap: wrap;
}

.nodeGroups{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap: wrap;
  position: relative;
}


.nodeCategoryBtn{
  padding:6px 10px;
  font-size:11px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.04);
}

.nodeCategoryBtn.active{
  border-color: rgba(122,167,255,.55);
  box-shadow: 0 0 0 3px rgba(122,167,255,.12);
}


.nodeDropdown{
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 180px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(12,14,20,.96);
  box-shadow: 0 18px 40px rgba(0,0,0,.45);
  padding: 6px;
  z-index: 60;
}

.nodeDropdown.hidden{ display:none; }

.nodeDropdownItem{
  display:block;
  width: 100%;
  padding: 8px 10px;
  font-size: 12px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.06);
  background: rgba(255,255,255,.04);
  color: var(--text);
  text-align: left;
}

.nodeDropdownItem:hover{
  background: rgba(255,255,255,.08);
}

.knobWrap{
  display:flex;
  align-items:center;
  gap:10px;
}

.knob{
  width:46px;
  height:46px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.10), rgba(0,0,0,.35));
  position: relative;
  cursor: pointer;
}

.knobIndicator{
  position:absolute;
  width:2px;
  height:16px;
  background: rgba(122,167,255,.95);
  left:50%;
  top:6px;
  transform-origin: 50% 100%;
  border-radius: 2px;
  box-shadow: 0 0 6px rgba(122,167,255,.5);
}

.rampEditor{
  display:flex;
  flex-direction:column;
  gap:8px;
}

.rampStop{
  display:grid;
  grid-template-columns: 1fr 72px 46px 66px;
  gap:8px;
  align-items:center;
}

.rampStop input[type="range"]{
  width:100%;
}

.rampAddBtn,
.rampRemoveBtn{
  padding:6px 8px;
  font-size:11px;
  border-radius:10px;
}

.previewSelectionBox{
  position:absolute;
  border: 1.5px solid rgba(122,167,255,.9);
  pointer-events: none;
}

.previewSelectionDot{
  position:absolute;
  width:8px;
  height:8px;
  border-radius:999px;
  background: rgba(122,167,255,.95);
  box-shadow: 0 0 0 1px rgba(0,0,0,.35);
  pointer-events: auto;
  cursor: nwse-resize;
}


/* Inspector inputs (dark) */
#inspectorBody input[data-k],
#inspectorBody select[data-k],
#inspectorBody textarea[data-k] {
  background: rgba(15,18,25,.6);
  color: var(--text);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 10px;
  padding: 8px 10px;
  font-family: var(--mono);
  font-size: 13px;
  outline: none;
}

#inspectorBody select[data-k]{
  padding-right: 42px;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 20 20'%3E%3Cpath fill='rgba(220,232,255,0.92)' d='M5.2 7.8a1 1 0 0 1 1.4.1L10 11.8l3.4-3.9a1 1 0 1 1 1.5 1.3l-4.2 4.9a1 1 0 0 1-1.5 0L5.1 9.2a1 1 0 0 1 .1-1.4z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
}

#inspectorBody textarea[data-k] {
  resize: vertical;
  min-height: 64px;
  line-height: 1.35;
}

#inspectorBody input[data-k]:focus,
#inspectorBody select[data-k]:focus,
#inspectorBody textarea[data-k]:focus{
  box-shadow: 0 0 0 4px rgba(122,167,255,.06);
  border-color: rgba(122,167,255,.35);
}

/* Scrollbar for textarea */
#inspectorBody textarea[data-k]::-webkit-scrollbar{ height:12px; width:12px }
#inspectorBody textarea[data-k]::-webkit-scrollbar-thumb{ background: rgba(255,255,255,.08); border-radius:8px }
#inspectorBody textarea[data-k]::-webkit-scrollbar-track{ background: transparent }

*{ box-sizing:border-box; }
html, body { height:100%; }
body{
  margin:0;
  overflow:hidden;
  font-family: var(--sans);
  color: var(--text);
  background:
    radial-gradient(1200px 900px at 25% 10%, rgba(122,167,255,.10), transparent 60%),
    radial-gradient(1200px 900px at 75% 30%, rgba(138,242,201,.10), transparent 55%),
    var(--bg);
}

/* App grid: 3 columns x 2 rows */
.app{
  height:100vh;
  display:grid;
  grid-template-columns: var(--leftW) 1fr var(--rightW);
  grid-template-rows: var(--topH) 1fr;
  gap: var(--gap);
  padding: var(--gap);
  min-height:0;
  min-width:0;
  position: relative;
}

.app.leftCollapsed .left{
  overflow: hidden;
}

.app.leftCollapsed .left .content{
  display: none;
}

.app.leftCollapsed .left .hdr{
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 14px 6px;
  gap: 12px;
  border-bottom: none;
}

.app.leftCollapsed .left .title{
  display: none;
}

.app.leftCollapsed .left .btns{
  margin-left: 0 !important;
  width: 100%;
  justify-content: center;
}

.app.leftCollapsed .left .logoFrame{
  margin-right: 0;
}

.rowSplitter{
  position: absolute;
  left: calc(var(--leftW) + var(--gap));
  right: calc(var(--rightW) + var(--gap));
  height: 8px;
  top: calc(var(--gap) + var(--topH) + (var(--gap) / 2));
  transform: translateY(-50%);
  cursor: row-resize;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

.rowSplitter::before{
  content: "";
  width: 140px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.16);
  box-shadow: 0 2px 10px rgba(0,0,0,.35);
}

.colSplitter{
  position: absolute;
  top: var(--gap);
  left: calc(100% - var(--rightW) - (var(--gap) / 2));
  width: 10px;
  height: var(--topH);
  transform: translateX(-50%);
  cursor: col-resize;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

.colSplitter::before{
  content: "";
  width: 4px;
  height: 120px;
  border-radius: 999px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.16);
  box-shadow: 0 2px 10px rgba(0,0,0,.35);
}

/* Panels */
.panel{
  background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.02));
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  overflow:hidden;
  min-width:0;
  min-height:0;
  display:flex;
  flex-direction:column;
}

.hdr{
  padding:12px 14px;
  display:flex;
  align-items:center;
  justify-content:flex-start;
  border-bottom:1px solid var(--line);
  background: rgba(0,0,0,.18);
  gap:10px;
}

.logoFrame {
  width: 22px;
  height: 22px;
  border: none;
  background: transparent;
  display: inline-block;
  vertical-align: -5px;
  margin-right: 8px;
  pointer-events: none;
}


.title{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:650;
  font-size:24px;
  letter-spacing:.2px;
  white-space:nowrap;
}

.pill{
  font-family: var(--mono);
  font-size: 11px;
  padding:3px 8px;
  border-radius: 999px;
  border:1px solid var(--line);
  color: var(--muted);
  background: rgba(0,0,0,.2);
  white-space:normal;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.btns{ display:flex; gap:8px; align-items:center; flex-wrap:wrap; justify-content:flex-end; }

button, select{ font: inherit; }

button{
  appearance:none;
  border:1px solid var(--line);
  background: rgba(0,0,0,.25);
  color: var(--text);
  border-radius: 12px;
  padding:8px 10px;
  font-size:12px;
  cursor:pointer;
  user-select:none;
  transition: background .15s ease, transform .05s ease;
}
button:hover{ background: rgba(255,255,255,.06); }
button:active{ transform: translateY(1px); }

button.active{
  border-color: rgba(122,167,255,.55);
  background: rgba(122,167,255,.18);
  box-shadow: 0 0 0 1px rgba(122,167,255,.15) inset;
}

.danger{ border-color: rgba(255,107,107,.35); }
.danger:hover{ background: rgba(255,107,107,.12); }

select{
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.35);
  color: var(--text);
  border-radius: 12px;
  padding:7px 38px 7px 12px; /* space for arrow */
  font-size:12px;
  outline:none;

  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;

  cursor: pointer;

  /* custom arrow */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 20 20'%3E%3Cpath fill='rgba(255,255,255,0.6)' d='M5.5 7.5l4.5 5 4.5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 14px;
}

select option{
  background: #0f1620;
  color: rgba(255,255,255,.9);
}


.content{
  padding:12px 14px;
  overflow:auto;
  min-height:0;
}

/* Left (blue) */
.left{
  grid-column: 1;
  grid-row: 1 / span 2;
  background: rgba(255,255,255,.02);
    
}

.left .content{ display:flex; flex-direction:column; gap:12px; }

.menuGrid{ display:grid; grid-template-columns: 1fr 1fr; gap:10px; }
.menuTile{
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.08);
  border-radius: 14px;
  height: 56px;
  display:flex;
  align-items:center;
  justify-content:center;
  color: rgba(255,255,255,.9);
  font-weight:600;
  cursor:pointer;
  user-select:none;
}
.menuTile:hover{ background: rgba(255,255,255,.12); }

/* Preview (center top) */
.preview{ grid-column: 2; grid-row: 1; min-height: 280px; }
.panel.preview{ min-height:0; }

.previewInner{
  flex:1;
  min-height:0;
  display:flex;
  flex-direction:column;
}

.previewLayout{
   display: grid;
  /* Screen column has a minimum, Notes column is allowed to shrink */
  grid-template-columns: minmax(720px, 1fr) minmax(220px, 360px);
  gap: 12px;
  padding: 20px;
  align-items: stretch;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.previewLayout.tipsHidden{
  grid-template-columns: 1fr;
}

.hintRow{
  display:flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: 0;
  gap:12px;
  padding-right: 14px;
  padding-top: 8px;
  color: var(--muted);
  font-size:12px;
}

.screenShell{
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
}

/* The 16:9 viewport should never become “wider than 16:9”.
   Size it by HEIGHT, and cap by WIDTH too. */
.screen{
  position: relative;

  /* key trick: height drives size, so ratio stays true */
  height: 100%;
  width: auto;
  aspect-ratio: 16 / 9;

  /* don’t exceed the available column width */
  max-width: 100%;

  outline: 1px solid rgba(255,255,255,.12);
  overflow: hidden;
}


.previewScale{
  position:absolute;
  inset:0;
  transform-origin:center center;
  will-change: transform;
}

.previewNotes{
  min-height: 0;
  display:flex;
  flex-direction:column;
  justify-content:flex-start;
  padding: 8px 14px 0 16px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 16px;
}

.previewNotes.isHidden{ display: none; }

.hintRow{
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hintRow .pill {
  display: block;
  width: 100%;
  padding: 12px 14px;
  font-size: 12px;
  line-height: 1.5;

  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);

  background: rgba(0,0,0,.25);
  color: rgba(255,255,255,.75);

  white-space: normal;
  word-break: break-word;
}

.previewNotes .hintRow{
  flex-direction:column;
  align-items:flex-start;
  padding-left: 10px;
  
}

.previewNotes .pill{
  white-space: normal;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* wider inspector */
:root{ --rightW: 460px; }  /* tweak */


#previewViewport{
  position: relative;
  overflow: hidden;
  cursor: default;
  user-select: none;
}

#previewViewport.pannable{ cursor: default; }
#previewViewport.panning { cursor: grabbing; }

#previewInner{
  position: absolute;
  left: 0;
  top: 0;
  width: 1280px;
  height: 720px;
  transform-origin: 0 0;
  will-change: transform;
}

#renderRoot{
  position: absolute;
  inset: 0;
  z-index: 1;
}

.safeZoneOverlay{
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}

.safeZoneOverlay.isHidden{ display: none; }

.safeZoneBox{
  position: absolute;
  border: 1px dashed rgba(255,255,255,.45);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.35);
}

.safeZoneBox--action{
  left: 5%;
  top: 5%;
  width: 90%;
  height: 90%;
}

.safeZoneBox--title{
  left: 10%;
  top: 10%;
  width: 80%;
  height: 80%;
  border-color: rgba(255,255,255,.65);
}

.safeZoneCenter{
  position: absolute;
  left: 50%;
  top: 50%;
  width: 14px;
  height: 14px;
  transform: translate(-50%, -50%);
}

.safeZoneCenter::before,
.safeZoneCenter::after{
  content: "";
  position: absolute;
  background: rgba(255,255,255,.75);
}

.safeZoneCenter::before{
  left: 0;
  top: 50%;
  width: 14px;
  height: 1px;
  transform: translateY(-50%);
}

.safeZoneCenter::after{
  left: 50%;
  top: 0;
  width: 1px;
  height: 14px;
  transform: translateX(-50%);
}

.safeZoneEdge{
  position: absolute;
  background: rgba(255,255,255,.55);
  opacity: .7;
}

.safeZoneEdge--top,
.safeZoneEdge--bottom{
  left: 50%;
  width: 1px;
  height: 36px;
  transform: translateX(-50%);
}

.safeZoneEdge--left,
.safeZoneEdge--right{
  top: 50%;
  width: 36px;
  height: 1px;
  transform: translateY(-50%);
}

.safeZoneEdge--top{ top: 5%; }
.safeZoneEdge--bottom{ bottom: 5%; }
.safeZoneEdge--left{ left: 5%; }
.safeZoneEdge--right{ right: 5%; }

/* Right (red) Inspector */
.inspector{
  grid-column: 3;
  grid-row: 1;
  background: rgba(255,255,255,.02);
    
}

.inspector .hdr .btns{
  margin-left: auto;
  justify-content: flex-end;
}

#btnClearSel{
  min-width: 36px;
  padding: 8px;
  font-size: 14px;
  line-height: 1;
}

.app.inspectorExpanded .inspector{
  grid-row: 1 / span 2;
}

.app.inspectorExpanded .editorWrap{
  grid-column: 2;
}

.kv{ display:grid; gap:10px; }
.kv .row{
  display:grid;
  grid-template-columns: 110px 1fr;
  gap:10px;
  align-items:center;
}
label{ font-size:12px; color: var(--muted); }

input[type="text"], input[type="number"], input[type="color"]{
  width:100%;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.25);
  color: var(--text);
  border-radius: 12px;
  padding:8px 10px;
  font-size:12px;
  outline:none;
}
input[type="color"]{
  padding:0;
  width:46px;
  height:46px;
  border-radius: 12px;
  cursor: pointer;
}

.emptyNote{
  color: rgba(255,255,255,.55);
  font-family: var(--mono);
  font-size:12px;
  line-height:1.5;
  border:1px dashed rgba(255,255,255,.18);
  border-radius: 14px;
  padding:12px;
  background: rgba(0,0,0,.18);
}

.exportGroups{
  display: grid;
  gap: 10px;
}

.exportGroup{
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 12px;
  padding: 10px;
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
}

.exportGroupHead{
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: baseline;
  margin-bottom: 8px;
}

.exportGroupTitle{
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: rgba(255,255,255,.92);
}

.exportGroupHint{
  font-size: 11px;
  color: rgba(255,255,255,.55);
}

.exportBtnRow{
  display: flex;
  gap: 8px;
}


select:hover{
  border-color: rgba(122,167,255,.35);
}

select optgroup{
  background: #0f1620;
  color: rgba(180,200,255,.6);
}

/* Node editor (bottom spans center+right) */
.editorWrap{
  grid-column: 2 / 4;
  grid-row: 2;
  overflow:hidden;
}

.editor{
  position:relative;
  height:100%;
  min-height:0;
  background:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,.06) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(180deg, rgba(0,0,0,.20), rgba(0,0,0,.32));
  overflow:hidden;
  cursor: default;
}

/* Help modal */
.helpOverlay{
  position: fixed;
  inset: 0;
  z-index: 10020;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(3,6,10,.56);
  backdrop-filter: blur(10px);
}

.helpOverlay.isHidden{ display:none; }

.helpDialog{
  width: min(920px, calc(100vw - 48px));
  max-height: min(86vh, 880px);
  overflow: auto;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(1000px 500px at 0% 0%, rgba(95,146,255,.12), transparent 55%),
    radial-gradient(800px 400px at 100% 0%, rgba(53,214,164,.10), transparent 50%),
    linear-gradient(180deg, rgba(16,20,28,.98), rgba(9,12,18,.98));
  box-shadow: 0 28px 90px rgba(0,0,0,.58);
  overflow-x: hidden;
}

.helpHeader{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  padding: 22px 24px 16px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.helpEyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:10px;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid rgba(122,167,255,.22);
  background: rgba(122,167,255,.10);
  color: rgba(215,228,255,.88);
  font-size: 11px;
  font-family: var(--mono);
  letter-spacing: .03em;
  text-transform: uppercase;
}

.helpTitle{
  margin:0;
  font-size: 32px;
  line-height: 1.06;
  font-weight: 750;
  letter-spacing: -.03em;
}

.helpSubtitle{
  margin: 10px 0 0;
  max-width: 62ch;
  color: rgba(255,255,255,.68);
  font-size: 14px;
  line-height: 1.6;
}

.helpClose{
  min-width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 12px;
  font-size: 18px;
  flex: 0 0 auto;
}

.helpBody{
  display:grid;
  grid-template-columns: 220px minmax(0, 1fr);
  min-height: 560px;
}

.helpSidebar{
  padding: 18px 14px 18px 18px;
  border-right: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.02);
}

.helpNavTitle{
  margin-bottom: 14px;
  color: rgba(255,255,255,.92);
  font-size: 13px;
  font-weight: 700;
}

.helpNavSection{
  margin: 14px 0 8px;
  color: rgba(180,200,255,.68);
  font-size: 10px;
  font-family: var(--mono);
  letter-spacing: .05em;
  text-transform: uppercase;
}

.helpNavGroup{
  display:grid;
  gap: 4px;
}

.helpNavBtn{
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: rgba(255,255,255,.72);
  font-size: 12px;
}

.helpNavBtn:hover{
  background: rgba(255,255,255,.05);
}

.helpNavBtn.active{
  border-color: rgba(122,167,255,.28);
  background: rgba(122,167,255,.12);
  color: rgba(235,242,255,.96);
  box-shadow: none;
}

.helpMain{
  display:grid;
  grid-template-rows: minmax(0, 1fr) auto;
  min-width: 0;
}

.helpContent{
  padding: 22px 24px 18px;
  overflow: auto;
}

.helpHero{
  display:grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(220px, .8fr);
  gap:22px;
  align-items:start;
}

.helpPanel{
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
}

.helpPanel h3,
.helpPanel h4{
  margin:0 0 10px;
  font-size: 15px;
}

.helpLead{
  color: rgba(255,255,255,.74);
  font-size: 13px;
  line-height: 1.72;
}

.helpAside{
  padding-left: 18px;
  border-left: 1px solid rgba(255,255,255,.10);
}

.helpSection{
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.08);
}

.helpSection:first-child{
  padding-top: 0;
  border-top: 0;
}

.helpSectionTitle{
  margin: 0 0 10px;
  font-size: 16px;
}

.helpNodeHeader{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom: 8px;
}

.helpNodeIcon{
  width: 34px;
  height: 34px;
  display:grid;
  place-items:center;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  font-size: 18px;
}

.helpNodeMeta{
  color: rgba(180,200,255,.65);
  font-size: 11px;
  font-family: var(--mono);
}

.helpExampleGrid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 14px;
}

.helpExampleCard{
  padding: 14px 0 0;
  border-top: 1px solid rgba(255,255,255,.08);
}

.helpPanel p,
.helpExampleCard p{
  margin:0;
  color: rgba(255,255,255,.72);
  font-size: 13px;
  line-height: 1.65;
}

.helpChecklist,
.helpUpdateList{
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.helpChecklist li,
.helpUpdateList li{
  position: relative;
  padding-left: 18px;
  color: rgba(255,255,255,.76);
  font-size: 13px;
  line-height: 1.55;
}

.helpChecklist li::before,
.helpUpdateList li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .6em;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(122,167,255,.95), rgba(53,214,164,.95));
  box-shadow: 0 0 0 3px rgba(122,167,255,.12);
}

.helpUpdateGrid{
  display:grid;
  grid-template-columns: 1fr;
  gap:10px;
}

.helpUpdateCard{
  display:grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.helpUpdateKicker{
  display:inline-block;
  margin-bottom:0;
  color: rgba(180,200,255,.74);
  font-size: 10px;
  font-family: var(--mono);
  letter-spacing: .05em;
  text-transform: uppercase;
}

.helpUpdateCard h4,
.helpExampleCard h4{
  margin:0 0 4px;
  font-size: 15px;
}

.helpUpdateCard p{
  margin:0;
  color: rgba(255,255,255,.68);
  font-size: 12px;
  line-height: 1.55;
}

.helpFooter{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding: 14px 24px 22px;
  border-top: 1px solid rgba(255,255,255,.08);
}

.helpFooterNote{
  color: rgba(255,255,255,.58);
  font-size: 12px;
  line-height: 1.5;
}

/* ===== Tab Node Search ===== */
.nodeSearch{
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,.22);
  backdrop-filter: blur(2px);
  display: grid;
  place-items: start;
  padding: 14px;
}
.nodeSearch.hidden{ display:none; }

.nodeSearchBox{
  width: 360px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(12,14,20,.92);
  box-shadow: 0 22px 70px rgba(0,0,0,.6);
  overflow: hidden;
}

#nodeSearchInput{
  width: 100%;
  border: 0;
  outline: none;
  padding: 12px 12px;
  font-size: 13px;
  color: rgba(255,255,255,.92);
  background: rgba(0,0,0,.18);
  border-bottom: 1px solid rgba(255,255,255,.10);
}

.nodeSearchList{
  max-height: 320px;
  overflow: auto;
  padding: 8px;
  display: grid;
  gap: 6px;
}

.nodeItem{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 10px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.04);
  cursor: pointer;
  user-select: none;
}
.nodeItem:hover{ background: rgba(255,255,255,.07); }
.nodeItem.active{
  border-color: rgba(122,167,255,.55);
  box-shadow: 0 0 0 3px rgba(122,167,255,.14);
}

.nodeLeft{
  display:flex; align-items:center; gap:10px;
}
.nodeIcon{
  width: 26px; height: 26px;
  display:grid; place-items:center;
  border-radius: 10px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
  font-size: 14px;
}
.nodeText{
  display:flex; flex-direction:column; gap:2px;
}
.nodeName{
  font-weight: 650;
  font-size: 12px;
  color: rgba(255,255,255,.92);
}
.nodeCat{
  font-family: var(--mono);
  font-size: 11px;
  color: rgba(255,255,255,.55);
}
.nodeHint{
  font-family: var(--mono);
  font-size: 11px;
  color: rgba(255,255,255,.45);
}


/* Transform stage */
.stage{
  position:absolute;
  inset:0;
  transform: translate(var(--nx), var(--ny)) scale(var(--nz));
  transform-origin: 0 0;
  will-change: transform;
}

.wires{ position:absolute; inset:0; pointer-events:none; }
.nodes{ position:absolute; inset:0; }

.wires{
  position:absolute;
  inset:0;
  pointer-events:none;
  z-index: 50; /* ✅ above nodes */
}

.stage{
  position:absolute;
  inset:0;
  z-index: 10; /* ✅ below wires */
}


.node{
  position:absolute;
  width:260px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(10,14,20,.86);
  box-shadow: 0 12px 30px rgba(0,0,0,.45);
  overflow:hidden;
  user-select:none;
  backdrop-filter: blur(6px);
}
.node.selected{
  outline: 2px solid rgba(122,167,255,.55);
  outline-offset: 2px;
}

.node.multiselected{
  outline: 2px solid rgba(180,142,255,.55);
  outline-offset: 2px;
  background: rgba(180,142,255,.03);
}

.nh{
  padding:10px 12px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  border-bottom:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  cursor:grab;
}
.nh:active{ cursor:grabbing; }

.nname{ display:flex; gap:8px; align-items:center; font-size:13px; font-weight:650; }
.ntype{
  font-family: var(--mono);
  font-size:11px;
  color: var(--muted);
  padding:2px 8px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.25);
}

.nbody{ padding:10px 12px 12px; display:grid; gap:10px; }

.ports{ display:grid; grid-template-columns: 1fr 1fr; gap:10px; margin-top:6px; }
.portcol{ display:flex; flex-direction:column; gap:8px; }
.port{ display:flex; align-items:center; gap:8px; font-size:12px; color: var(--muted); }

.dot{
  width:12px; height:12px; border-radius:999px;
  border:1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.06);
  cursor:pointer;
  transition: all 0.15s ease;
}
.dot.out{ 
  border-color: rgba(138,242,201,.55);
  cursor: crosshair;
}
.dot.out:hover{
  transform: scale(1.3);
  box-shadow: 0 0 0 4px rgba(138,242,201,.14);
  background: rgba(138,242,201,.15);
}
.dot.in{ 
  border-color: rgba(122,167,255,.55);
}
.dot.in:hover{
  transform: scale(1.3);
  box-shadow: 0 0 0 4px rgba(122,167,255,.14);
  background: rgba(122,167,255,.15);
}
.dot.active{
  box-shadow: 0 0 0 6px rgba(122,167,255,.14);
  background: rgba(122,167,255,.20);
  transform: scale(1.2);
}

/* Selection Rectangle */
.selectionRect{
  position: absolute;
  border: 2px solid rgba(122,167,255,.65);
  background: rgba(122,167,255,.08);
  pointer-events: none;
  z-index: 10000;
  border-radius: 4px;
  box-shadow: 0 0 10px rgba(122,167,255,.3);
}

.toast{
  position:absolute;
  left:14px;
  bottom:14px;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--line);
  background: rgba(0,0,0,.40);
  color: var(--muted);
  font-size:12px;
  max-width: 640px;
  pointer-events:none;
  opacity:0;
  transform: translateY(6px);
  transition: opacity .2s ease, transform .2s ease;
}
.toast.show{ opacity:1; transform: translateY(0); }

/* Responsive */
@media (max-width: 1500px){
  :root{
    --leftW: 220px;
    --rightW: 410px;
    --gap: 10px;
    --topH: 52vh;
  }

  .hdr{
    padding: 10px 12px;
    gap: 8px;
  }

  .title{
    gap: 8px;
    font-size: 20px;
  }

  .content{
    padding: 10px 12px;
  }

  .hdrInlineControls{
    gap: 8px;
    margin-left: 8px;
  }

  .nodeGroups{
    gap: 8px;
  }

  .nodeCategoryBtn{
    padding: 5px 9px;
    font-size: 10px;
    border-radius: 9px;
  }

  button{
    padding: 7px 9px;
    border-radius: 10px;
    font-size: 11px;
  }

  select{
    padding: 6px 34px 6px 10px;
    font-size: 11px;
  }

  .left .content{
    gap: 10px;
  }

  .menuGrid{
    gap: 8px;
  }

  .menuTile{
    height: 50px;
    border-radius: 12px;
    font-size: 13px;
  }

  .previewLayout{
    grid-template-columns: minmax(0, 1fr) minmax(180px, 240px);
    gap: 10px;
    padding: 14px;
  }

  .screenShell{
    padding: 2px;
  }

  .previewNotes{
    padding: 8px 10px 0 10px;
    border-radius: 14px;
  }

  .previewNotes .hintRow{
    padding-left: 0;
  }

  .hintRow .pill{
    padding: 10px 12px;
    font-size: 11px;
    line-height: 1.4;
  }

  .kv{
    gap: 8px;
  }

  .kv .row{
    grid-template-columns: 92px 1fr;
    gap: 8px;
  }

  label{
    font-size: 11px;
  }

  #inspectorBody input[data-k],
  #inspectorBody select[data-k],
  #inspectorBody textarea[data-k],
  input[type="text"],
  input[type="number"]{
    padding: 7px 9px;
    font-size: 12px;
    border-radius: 10px;
  }

  input[type="color"]{
    width: 40px;
    height: 40px;
    border-radius: 10px;
  }

  .emptyNote{
    padding: 10px;
    font-size: 11px;
  }

  .exportGroups{
    gap: 8px;
  }

  .exportGroup{
    padding: 8px;
  }

  .exportBtnRow{
    gap: 6px;
  }

  .node{
    width: 240px;
  }

  .nh{
    padding: 8px 10px;
  }

  .nname{
    font-size: 12px;
  }

  .nbody{
    padding: 8px 10px 10px;
  }

  .port{
    font-size: 11px;
  }
}

@media (max-width: 1320px){
  :root{
    --leftW: 200px;
    --rightW: 370px;
    --gap: 8px;
    --topH: 50vh;
  }

  .previewLayout{
    grid-template-columns: minmax(0, 1fr) minmax(165px, 210px);
    padding: 12px;
  }

  .kv .row{
    grid-template-columns: 84px 1fr;
  }

  .menuTile{
    height: 46px;
    font-size: 12px;
  }

  .node{
    width: 228px;
  }

  .helpBody{
    grid-template-columns: 190px minmax(0, 1fr);
  }

  .helpHero,
  .helpUpdateGrid,
  .helpExampleGrid{
    grid-template-columns: 1fr;
  }

  .helpAside{
    padding-left: 0;
    border-left: 0;
  }
}

/* ── Shape Manager (Pen node) ────────────────────── */
.shapeManager{ display:grid; gap:8px; }

.smList{
  display:grid;
  gap:3px;
  min-height:36px;
  max-height:200px;
  overflow-y:auto;
  border:1px solid rgba(255,255,255,.10);
  border-radius:10px;
  padding:4px;
  background:rgba(0,0,0,.22);
}

.smItem{
  display:flex;
  align-items:center;
  gap:6px;
  padding:5px 8px;
  border-radius:7px;
  cursor:pointer;
  font-size:12px;
  user-select:none;
  transition:background 0.1s;
  border:1px solid transparent;
}
.smItem:hover{ background:rgba(255,255,255,.07); }
.smItem.smActive{
  background:rgba(90,140,255,.18);
  border-color:rgba(100,155,255,.35);
}

.smVis{
  background:none; border:none;
  color:rgba(255,255,255,.5);
  font-size:11px; cursor:pointer;
  padding:0 2px; line-height:1; flex-shrink:0;
}
.smVis:hover{ color:#ffffff; }

.smLabel{ flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; color:var(--text); }

.smDel{
  background:none; border:none;
  color:rgba(255,75,75,.55);
  font-size:13px; cursor:pointer;
  padding:0 2px; flex-shrink:0; line-height:1;
}
.smDel:hover{ color:rgba(255,75,75,1); }

.smProps{
  border:1px solid rgba(255,255,255,.10);
  border-radius:10px;
  padding:10px 10px 8px;
  background:rgba(0,0,0,.15);
  display:grid;
  gap:8px;
}
.smPropsTitle{
  font-size:11px;
  color:rgba(140,180,255,.9);
  font-weight:600;
  letter-spacing:.02em;
}
/* ─────────────────────────────────────────────────── */

@media (max-width: 1100px){
  :root{ --leftW: 220px; --rightW: 320px; }
}

@media (max-width: 1200px){
  .previewLayout{ grid-template-columns: 1fr; }
  .previewNotes{ padding-top: 12px }
  .previewNotes .hintRow{
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }
}

@media (max-width: 980px){
  body{ overflow:auto; }
  .app{
    height:auto;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto auto;
  }
  .left{ grid-row: 1; grid-column:1; }
  .preview{ grid-row: 2; grid-column:1; }
  .inspector{ grid-row: 3; grid-column:1; }
  .editorWrap{ grid-row: 4; grid-column:1; height: 650px; }
  .rowSplitter{ display:none; }
  .colSplitter{ display:none; }

  .app.inspectorExpanded .inspector{ grid-row: 3; grid-column:1; }
  .app.inspectorExpanded .editorWrap{ grid-row: 4; grid-column:1; }

  .helpOverlay{
    padding: 12px;
  }

  .helpDialog{
    width: min(100vw - 24px, 920px);
    max-height: 92vh;
    border-radius: 18px;
  }

  .helpBody{
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .helpSidebar{
    padding: 14px 16px 10px;
    border-right: 0;
    border-bottom: 1px solid rgba(255,255,255,.08);
  }

  .helpMain{
    min-height: 0;
  }

  .helpContent,
  .helpFooter,
  .helpHeader{
    padding-left: 16px;
    padding-right: 16px;
  }

  .helpTitle{
    font-size: 24px;
  }

  .helpFooter{
    flex-direction: column;
    align-items: stretch;
  }

  .helpUpdateCard{
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

/* =====================================================
   MP4 / Video Export Progress Overlay
   ===================================================== */
.mp4ProgressOverlay{
  position: fixed;
  inset: 0;
  background: rgba(7, 10, 15, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 10000;
  display: grid;
  place-items: center;
}

.mp4ProgressDialog{
  background: var(--panelBg, #141b24);
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 20px;
  padding: 36px 40px 32px;
  width: min(340px, 88vw);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  box-shadow: 0 28px 70px rgba(0,0,0,.65);
}

.mp4ProgressIcon{
  font-size: 38px;
  line-height: 1;
  margin-bottom: 4px;
}

.mp4ProgressTitle{
  font-size: 16px;
  font-weight: 700;
  color: var(--text, rgba(255,255,255,.92));
  letter-spacing: -.01em;
}

.mp4ProgressSub{
  font-size: 13px;
  color: var(--muted, rgba(255,255,255,.6));
  min-height: 18px;

.mp4ProgressPhase{
  font-size: 12px;
  font-weight: 600;
  color: #5b9af8;
  letter-spacing: .02em;
  text-transform: uppercase;
}
}

.mp4ProgressBarTrack{
  width: 100%;
  height: 6px;
  background: rgba(255,255,255,.10);
  border-radius: 4px;
  overflow: hidden;
  margin: 4px 0;
}

.mp4ProgressBarFill{
  height: 100%;
  background: linear-gradient(90deg, #3b6fd4, #5b9af8);
  border-radius: 4px;
  transition: width .25s linear;
}

.mp4ProgressNote{
  font-size: 11px;
  color: rgba(255,255,255,.3);
  line-height: 1.5;
}

/* ==================== Playback Control Bar ==================== */
.playbackBar{
  position: absolute;
  bottom: var(--gap);
  left: calc(var(--leftW) + var(--gap) * 2);
  right: var(--gap);
  z-index: 50;
  height: 42px;
  background: rgba(8,10,18,.90);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,.6);
  pointer-events: all;
  user-select: none;
}

.pbBtn{
  flex-shrink: 0;
  width: 30px;
  height: 28px;
  padding: 0;
  font-size: 14px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.04);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text);
  transition: background .12s ease;
}
.pbBtn:hover{ background: rgba(255,255,255,.10); }
.pbBtn:active{ transform: translateY(1px); }

#pbPlayPause{
  color: rgba(132,178,255,.95);
  border-color: rgba(122,167,255,.28);
}
#pbPlayPause:hover{ background: rgba(122,167,255,.12); }

.pbScrub{
  flex: 1;
  min-width: 60px;
  height: 3px;
  cursor: pointer;
  accent-color: rgba(122,167,255,.9);
}

.pbTimeDisplay{
  font-size: 11px;
  font-family: var(--mono);
  color: rgba(255,255,255,.90);
  white-space: nowrap;
  flex-shrink: 0;
  min-width: 52px;
  text-align: right;
}

.pbSep{
  font-size: 11px;
  color: var(--muted);
  flex-shrink: 0;
}

.pbDurDisplay{
  font-size: 11px;
  font-family: var(--mono);
  color: var(--muted);
  white-space: nowrap;
  flex-shrink: 0;
  min-width: 52px;
}

.pbModeToggle{
  display: flex;
  gap: 2px;
  flex-shrink: 0;
  margin-left: 2px;
}

.pbModeBtn{
  padding: 3px 8px !important;
  font-size: 10px !important;
  border-radius: 6px !important;
  height: 22px;
  min-width: 22px;
  border: 1px solid rgba(255,255,255,.08) !important;
  background: rgba(255,255,255,.04) !important;
  color: var(--muted);
  cursor: pointer;
  flex-shrink: 0;
}
.pbModeBtn.active{
  background: rgba(122,167,255,.16) !important;
  border-color: rgba(122,167,255,.38) !important;
  color: rgba(132,178,255,.95) !important;
}