:root{
  --bg:#0b1020;
  --card:#111a33;
  --card2:#0f1730;
  --text:#e9eefc;
  --muted:rgba(233,238,252,.7);
  --line:rgba(233,238,252,.12);
  --ok:#53d18c;
  --bad:#ff6b6b;
  --pill:rgba(255,255,255,.08);
}

*{ box-sizing:border-box; }
[hidden]{ display:none !important; }

html,body{ height:100%; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  background: radial-gradient(1200px 700px at 20% 10%, #1b2a68 0%, rgba(27,42,104,0) 60%),
              radial-gradient(900px 600px at 85% 30%, #2a7a6a 0%, rgba(42,122,106,0) 55%),
              var(--bg);
  color:var(--text);
}

.wrap{
  max-width: 1200px;
  margin: 24px auto;
  padding: 0 16px 28px;
}

.top{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px;
  margin-bottom:16px;
}
h1{
  margin:0 0 6px 0;
  font-size: 30px;
  letter-spacing:.2px;
}
h2{
  margin:0 0 10px 0;
  font-size: 18px;
  letter-spacing:.2px;
}
h3{
  margin:0 0 8px;
  font-size: 14px;
  letter-spacing:.2px;
}
.muted{ color:var(--muted); }
.mini{ font-size: 12px; }
.pill{
  background: var(--pill);
  border:1px solid var(--line);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
  white-space: nowrap;
}

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px;
  box-shadow: 0 12px 30px rgba(0,0,0,.25);
  margin-bottom: 14px;
}

.card.inner{
  background: rgba(0,0,0,.15);
  padding: 12px;
}

.row{
  display:flex;
  gap:10px;
  align-items:flex-end;
  flex-wrap:wrap;
}

.grow{ flex:1; }

.field{
  display:flex;
  flex-direction:column;
  gap:6px;
}
.field span{
  font-size: 12px;
  color: var(--muted);
}

input{
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.18);
  color: var(--text);
  outline: none;
}
input:focus{
  border-color: rgba(83,209,140,.55);
  box-shadow: 0 0 0 4px rgba(83,209,140,.15);
}

.btn{
  padding: 11px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(83,209,140,.18);
  color: var(--text);
  cursor:pointer;
  transition: transform .06s ease, background .12s ease;
}
.btn:hover{ background: rgba(83,209,140,.26); }
.btn:active{ transform: translateY(1px); }
.btn.ghost{
  background: rgba(255,255,255,.06);
}
.btn.ghost:hover{ background: rgba(255,255,255,.10); }
.btn.on{
  background: rgba(83,209,140,.35);
  border-color: rgba(83,209,140,.65);
}

.clockControl{
  display:flex;
  align-items:center;
  gap:8px;
  padding: 6px 10px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.05);
}
.clockLabel{
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}
.clockRange{
  width: 140px;
}
.portLabel{
  position:absolute;
  left: 14px;
  font-size: 10px;
  color: var(--muted);
  letter-spacing: .2px;
  pointer-events: none;
}

.node.pulse .lamp{
  animation: clockPulse .6s ease-out;
}
@keyframes clockPulse{
  0%{
    transform: scale(1);
    box-shadow: 0 0 0 1px rgba(0,0,0,.2) inset;
  }
  40%{
    transform: scale(1.25);
    box-shadow: 0 0 14px rgba(83,209,140,.9);
  }
  100%{
    transform: scale(1);
    box-shadow: 0 0 0 1px rgba(0,0,0,.2) inset;
  }
}

.errorMsg{
  margin: 10px 0 0;
  padding: 9px 10px;
  border-radius: 10px;
  border: 1px solid rgba(255,107,107,.45);
  background: rgba(255,107,107,.14);
  color: #ffd7d7;
  font-size: 13px;
}

.hint{
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}
code{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: 8px;
}

.grid2{
  margin-top: 12px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 860px){
  .grid2{ grid-template-columns: 1fr; }
}

.toggles{
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 8px;
}
@media (max-width: 700px){
  .toggles{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.toggle{
  background: rgba(255,255,255,.05);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.toggle b{ font-size: 14px; }

.switch{
  display:flex;
  gap:8px;
  align-items:center;
  user-select:none;
}
.swBtn{
  width: 44px;
  height: 26px;
  border-radius: 999px;
  border:1px solid var(--line);
  background: rgba(0,0,0,.18);
  position:relative;
  cursor:pointer;
  padding:0;
  appearance:none;
  -webkit-appearance:none;
}
.swBtn:focus-visible{
  outline: 2px solid rgba(83,209,140,.8);
  outline-offset: 2px;
}
.swKnob{
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: rgba(233,238,252,.85);
  position:absolute;
  top: 2px;
  left: 2px;
  transition: left .12s ease, background .12s ease;
}
.swBtn.on{
  background: rgba(83,209,140,.25);
  border-color: rgba(83,209,140,.55);
}
.swBtn.on .swKnob{
  left: 22px;
  background: rgba(83,209,140,.95);
}

.result{
  display:flex;
  gap: 12px;
  flex-wrap:wrap;
  margin-top: 8px;
}
.kpi{
  flex:1;
  min-width: 160px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.05);
  border-radius: 14px;
  padding: 12px;
}
.kpiLabel{
  font-size: 12px;
  color: var(--muted);
}
.kpiValue{
  font-size: 36px;
  font-weight: 800;
  margin-top: 4px;
}
.kpiValue.multi{
  font-size: 20px;
  line-height: 1.35;
}
.kpiStatus{
  font-weight: 700;
  font-size: 14px;
  margin-top: 10px;
  padding: 6px 10px;
  border-radius: 999px;
  display:inline-block;
  border:1px solid var(--line);
  background: rgba(255,255,255,.05);
}
.kpiStatus.ok{ color: var(--ok); border-color: rgba(83,209,140,.45); }
.kpiStatus.bad{ color: var(--bad); border-color: rgba(255,107,107,.45); }

.details{
  margin-top: 10px;
}
.detailsBlock{
  margin-top: 0;
}
.detailsBlock > summary{
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  margin-bottom: 10px;
  user-select: none;
}
.detailsBlock > summary::-webkit-details-marker{
  display: none;
}
.detailsBlock > summary::before{
  content: "▸";
  display: inline-block;
  margin-right: 6px;
  transform: translateY(-1px);
}
.detailsBlock[open] > summary::before{
  content: "▾";
}
.debug{
  margin: 10px 0 0;
  padding: 10px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.18);
  overflow:auto;
}

.tableWrap{
  overflow:auto;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.14);
}
table{
  width:100%;
  border-collapse: collapse;
  min-width: 320px;
}
thead th{
  position: sticky;
  top: 0;
  background: rgba(17,26,51,.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  text-align:left;
  padding: 10px 10px;
  font-size: 12px;
  color: var(--muted);
}
tbody td{
  padding: 10px 10px;
  border-bottom: 1px solid rgba(233,238,252,.08);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}
tbody tr:hover td{
  background: rgba(255,255,255,.04);
}

.sketchLayout{
  margin-top: 12px;
  display:grid;
  grid-template-columns: 270px 1fr;
  gap: 12px;
}
@media (max-width: 980px){
  .sketchLayout{ grid-template-columns: 1fr; }
}

.palettePane{
  min-width: 0;
}
.paletteGrid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.gateBtn{
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255,255,255,.05);
  color: var(--text);
  padding: 8px 7px;
  text-align:left;
  font-size: 12px;
  line-height: 1.2;
  cursor:pointer;
}
.gateBtn:hover{
  background: rgba(255,255,255,.1);
}
.gateBtn .symbol{
  display:block;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 2px;
}

.boardPane{
  min-width: 0;
}
.boardInfo{
  margin-top: 10px;
  margin-bottom: 8px;
}
.board{
  position: relative;
  height: 460px;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background:
    radial-gradient(120% 100% at 0% 0%, rgba(255,255,255,.06), rgba(255,255,255,0) 55%),
    repeating-linear-gradient(0deg, rgba(255,255,255,.03), rgba(255,255,255,.03) 1px, transparent 1px, transparent 22px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.03), rgba(255,255,255,.03) 1px, transparent 1px, transparent 22px),
    rgba(0,0,0,.18);
}
#wireLayer,
#nodeLayer{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  transform-origin: 0 0;
}
#nodeLayer{ pointer-events:none; }

.node{
  position: absolute;
  width: 128px;
  border: 1px solid rgba(233,238,252,.22);
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.03));
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,.25);
  pointer-events: auto;
}
.node.dragging{
  box-shadow: 0 10px 24px rgba(0,0,0,.35);
}
.nodeHead{
  height: 26px;
  border-bottom: 1px solid rgba(233,238,252,.12);
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 0 6px 0 8px;
  background: rgba(0,0,0,.18);
  border-radius: 12px 12px 0 0;
  cursor: grab;
}
.node.dragging .nodeHead{ cursor: grabbing; }
.nodeTitle{
  font-size: 11px;
  letter-spacing: .4px;
  color: var(--muted);
}
.nodeDelete{
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.06);
  color: var(--text);
  border-radius: 6px;
  width: 20px;
  height: 20px;
  line-height: 17px;
  padding:0;
  cursor:pointer;
}
.nodeDelete:hover{ background: rgba(255,255,255,.14); }
.nodeBody{
  padding: 10px 10px 8px;
  font-size: 14px;
  font-weight: 700;
  text-align:center;
}
.nodeGlyph{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Courier New", monospace;
  font-size: 20px;
  line-height: 1;
  letter-spacing: .4px;
  margin-top: 2px;
}
.nodeLampWrap{
  margin-top: 7px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap: 6px;
}
.nodeLampLabel{
  font-size: 11px;
  color: var(--muted);
}
.lamp{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: 1px solid rgba(233,238,252,.45);
  display: inline-block;
  box-shadow: 0 0 0 1px rgba(0,0,0,.2) inset;
}
.lamp.on{
  background: rgba(83,209,140,.95);
  box-shadow: 0 0 10px rgba(83,209,140,.7);
}
.lamp.off{
  background: rgba(255,107,107,.9);
  box-shadow: 0 0 10px rgba(255,107,107,.5);
}
.lamp.unknown{
  background: rgba(233,238,252,.3);
}
.nodeSub{
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  margin-top: 6px;
}
.port{
  position:absolute;
  width:14px;
  height:14px;
  border-radius:999px;
  border:1px solid rgba(233,238,252,.45);
  background: rgba(15,23,48,.98);
  transform: translate(-50%, -50%);
  cursor:pointer;
  padding:0;
}
.port.in{ left: 0; }
.port.out{ left: 100%; }
.port:hover{ background: rgba(83,209,140,.22); }
.port.pending{
  background: rgba(83,209,140,.34);
  border-color: rgba(83,209,140,.95);
}

.wire{
  fill:none;
  stroke: rgba(233,238,252,.6);
  stroke-width: 2.3;
  stroke-linecap: round;
  cursor:pointer;
  transition: stroke .12s ease, stroke-width .12s ease;
}
.wire:hover{
  stroke-width: 2.8;
}
.wire.on{
  stroke: rgba(83,209,140,.95);
}
.wire.off{
  stroke: rgba(255,107,107,.95);
}
.wire.unknown{
  stroke: rgba(233,238,252,.45);
  stroke-dasharray: 5 4;
}

.boardResult{
  margin-top: 10px;
}
.boardTruthRow{
  margin-top: 12px;
}

.foot{
  margin-top: 10px;
}