:root{
  --bg:#0b0f19;
  --panel:rgba(255,255,255,.06);
  --panel2:rgba(255,255,255,.10);
  --text:rgba(255,255,255,.92);
  --muted:rgba(255,255,255,.62);
  --accent:#45e31d;
  --good:#2ee59d;
  --warn:#ffcc66;
  --bad:#ff5c7a;
  --shadow: 0 20px 60px rgba(0,0,0,.45);
  --ring: 0 0 0 2px rgba(124,92,255,.25), 0 0 0 1px rgba(255,255,255,.08) inset;
  --caret-default: url(data:image/svg+xml;base64,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);
  --caret-active: url(data:image/svg+xml;base64,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);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:
    radial-gradient(1200px 900px at 20% 10%, rgba(124,92,255,.18), transparent 55%),
    radial-gradient(1000px 700px at 80% 30%, rgba(46,229,157,.10), transparent 55%),
    radial-gradient(900px 800px at 50% 90%, rgba(255,92,122,.08), transparent 55%),
    var(--bg);
  color:var(--text);
  font: 14px/1.4 ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  overflow:hidden;
}
.app{
  height:100vh;
  display:grid;
  grid-template-columns: 380px 1fr;
  gap:16px;
  padding:16px;
}
.panel{
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.10);
  border-radius:18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  overflow:hidden;
  max-height: calc(100vh - 2rem);
}
.sidebar{
  padding:14px;
  display:flex;
  flex-direction:column;
  gap:12px;
  min-width:0;
  height:100%;
  overflow:auto;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  padding-bottom:6px;
}
.brand img{
  height:46px;
  width:auto;
  filter: drop-shadow(0 0 6px rgba(0,0,0,.35));
}
.brand-heading{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.brand-heading h1{
  margin:0;
  font-size:20px;
  letter-spacing:.4px;
  text-transform:uppercase;
}
.brand-heading .subtitle{
  margin:0;
  font-size:12px;
  color:var(--muted);
  letter-spacing:.1px;
}
.badge{
  display:inline-block;
  margin-top:10px;
  padding:6px 10px;
  border-radius:999px;
  background: rgba(69,227,29,.22);
  border:1px solid rgba(69,227,29,.45);
  font-size:12px;
  color: rgba(255,255,255,.92);
}
.group{
  background: rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.10);
  border-radius:14px;
  padding:12px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
label{color:var(--muted); font-size:12px}
select, input[type="range"], button{ font: inherit; }
select{
  width:100%;
  padding:10px 14px;
  border-radius:10px;
  background-color: rgba(255,255,255,.08);
  background-image: var(--caret-default);
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 10px 10px;
  border:1px solid rgba(255,255,255,.16);
  color:var(--text);
  outline:none;
  appearance:none;
  -webkit-appearance:none;
  position:relative;
  cursor:pointer;
  transition: border-color .15s ease, background-color .15s ease;
}
select:focus{
  border-color: rgba(124,92,255,.6);
  background-color: rgba(255,255,255,.12);
  box-shadow: var(--ring);
  background-image: var(--caret-active);
}
option{
  color: var(--text);
  background-color: rgba(11,15,25,.9);
}
select::-ms-expand{ display:none; }
select::after{ /* fake pseudo since select can't have */ }
.range{
  display:grid;
  grid-template-columns: 1fr auto;
  gap:10px;
  align-items:center;
}
.range.is-disabled{
  opacity:.45;
  filter: grayscale(0.2);
}
.range.is-disabled input[type="range"]{
  pointer-events:none;
}
input[type="range"]{ width:100%; accent-color: var(--accent); }
.val{
  min-width:54px;
  text-align:right;
  color:rgba(255,255,255,.85);
  font-variant-numeric: tabular-nums;
}
.toggle{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:10px 12px;
  border-radius:12px;
  background: rgba(0,0,0,.22);
  border:1px solid rgba(255,255,255,.10);
}
.toggle .t1{ font-size:12px; color:rgba(255,255,255,.9) }
.toggle .t2{ font-size:11px; color:var(--muted) }
.btnrow{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:10px;
}
.btnrow3{
  display:grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap:10px;
}
.btn-badge{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
}
.badge-count{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:20px;
  height:20px;
  padding:0 6px;
  border-radius:999px;
  background: rgba(69,227,29,.5);
  color: #0b0f19;
  font-size:11px;
  font-variant-numeric: tabular-nums;
}
button{
  padding:10px 12px;
  border-radius:12px;
  border:1px solid rgba(69,227,29,.55);
  background: rgba(69,227,29,.12);
  color:var(--text);
  cursor:pointer;
  transition: transform .08s ease, background .15s ease, border-color .15s ease, box-shadow .15s ease;
}
button:disabled{
  opacity:.45;
  cursor:not-allowed;
  transform:none;
}
button:hover{ background: rgba(69,227,29,.22); border-color: rgba(69,227,29,.75); box-shadow: 0 8px 18px rgba(69,227,29,.25); }
button:active{ transform: translateY(1px); }
.primary{
  background: linear-gradient(135deg, rgba(69,227,29,.95), rgba(46,229,157,.85));
  border-color: rgba(69,227,29,.9);
  color: var(--bg);
  box-shadow: 0 10px 25px rgba(69,227,29,.35);
}
.primary:hover{
  background: linear-gradient(135deg, rgba(69,227,29,1), rgba(46,229,157,.95));
  border-color: rgba(69,227,29,1);
}
.hint{
  color:var(--muted);
  font-size:12px;
  padding:0 10px 2px 10px;
}
.stats{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:10px;
  padding:0 10px 10px 10px;
}
.legal-links{
  margin:4px 10px 0;
  font-size:11px;
  color: var(--muted);
  display:flex;
  justify-content:center;
  gap:6px;
  flex-wrap:wrap;
}
.legal-links a{
  color: rgba(255,255,255,.75);
}
.stat{
  border-radius:14px;
  padding:10px 12px;
  background: rgba(0,0,0,.18);
  border:1px solid rgba(255,255,255,.08);
}
.stat .k{ color:var(--muted); font-size:11px; }
.stat .v{ margin-top:4px; font-size:14px; font-variant-numeric: tabular-nums; }

.stage{ position:relative; min-width:0; }
.zoom-controls{
  position:absolute;
  right:16px;
  bottom:16px;
  display:flex;
  flex-direction:row;
  gap:8px;
  z-index: 2;
}
.zoom-btn{
  width:34px;
  height:34px;
  border-radius:10px;
  padding:0;
  font-size:18px;
  line-height:32px;
  text-align:center;
  background: rgba(69,227,29,.16);
  border:1px solid rgba(69,227,29,.45);
  color: #fff;
}
.zoom-btn:hover{ background: rgba(69,227,29,.32); }
.canvas{
  width:100%;
  height:100%;
  border-radius:18px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.10);
  box-shadow: var(--shadow);
  background:
    radial-gradient(600px 500px at 20% 20%, rgba(255,255,255,.05), transparent 55%),
    radial-gradient(700px 600px at 80% 80%, rgba(255,255,255,.04), transparent 55%),
    rgba(0,0,0,.18);
}
.canvas.checker{
  background:
    radial-gradient(600px 500px at 20% 20%, rgba(255,255,255,.05), transparent 55%),
    radial-gradient(700px 600px at 80% 80%, rgba(255,255,255,.04), transparent 55%),
    linear-gradient(45deg, rgba(255,255,255,.06) 25%, transparent 25%) 0 0/20px 20px,
    linear-gradient(-45deg, rgba(255,255,255,.06) 25%, transparent 25%) 0 0/20px 20px,
    linear-gradient(45deg, transparent 75%, rgba(255,255,255,.06) 75%) 0 0/20px 20px,
    linear-gradient(-45deg, transparent 75%, rgba(255,255,255,.06) 75%) 0 0/20px 20px,
    rgba(0,0,0,.18);
}
svg#svg{
  width:100%;
  height:100%;
  display:block;
  touch-action:none;
  user-select:none;
}
svg#svg.pan-mode{ cursor: grab; }
svg#svg.pan-mode:active{ cursor: grabbing; }

.patch{ cursor: crosshair; transition: filter .10s ease; }
.patch.sel{
  filter: none;
}
.app.drawing .patch.sel{
  filter: drop-shadow(0 0 0.75px rgba(255,255,255,.35)) drop-shadow(0 0 10px rgba(124,92,255,.35));
}

#overlay{ visibility: visible; }
.overlay *{ pointer-events:none; }
.overlay-active .stroke{ filter: drop-shadow(0 0 10px rgba(0,0,0,.45)) drop-shadow(0 0 20px rgba(46,229,157,.35)); }
.overlay-active .axis{ opacity:1; filter: drop-shadow(0 0 10px rgba(46,229,157,.25)) drop-shadow(0 0 18px rgba(46,229,157,.45)); }
.overlay-active .stopDot{ filter: drop-shadow(0 0 5px rgba(124,92,255,.45)); }
.overlay-active .handle{ filter: drop-shadow(0 0 12px rgba(46,229,157,.45)); }
.stroke{
  fill:none;
  stroke: rgba(255,255,255,.78);
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 10px rgba(0,0,0,.45));
}
.axis{
  stroke: rgba(46,229,157,.92);
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-dasharray: 6 8;
  filter: drop-shadow(0 0 10px rgba(46,229,157,.25));
  opacity:0;
  transition: opacity .25s ease;
}
.center{
  fill: rgba(255,204,102,.92);
  stroke: rgba(0,0,0,.35);
  stroke-width: 1;
  filter: drop-shadow(0 0 8px rgba(255,204,102,.25));
}
.stopDot{
  fill: rgba(124,92,255,.95);
  stroke: rgba(0,0,0,.35);
  stroke-width: 1;
  filter: drop-shadow(0 0 10px rgba(124,92,255,.35));
  pointer-events: all;
  cursor: ew-resize;
}
.handle{
  pointer-events: all;
  cursor: grab;
  fill: rgba(46,229,157,.95);
  stroke: rgba(0,0,0,.35);
  stroke-width: 1;
  filter: drop-shadow(0 0 10px rgba(46,229,157,.25));
}
.handle:active{ cursor: grabbing; }

.legend{
  position:absolute;
  right:14px; top:14px;
  padding:10px 12px;
  border-radius:14px;
  background: rgba(0,0,0,.30);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(10px);
  color: rgba(255,255,255,.88);
  font-size:12px;
  display:flex;
  flex-direction:column;
  gap:6px;
  max-width: 380px;
  z-index: 1;
}
.icon-btn{
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 0;
  color: rgba(255,255,255,.9);
}
.icon-btn::before{
  content:"";
  width:22px;
  height:22px;
  background: currentColor;
  -webkit-mask: var(--icon) no-repeat center / contain;
  mask: var(--icon) no-repeat center / contain;
}
.icon-help{ --icon: url(data:image/svg+xml;base64,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); }
.icon-info{ --icon: url(data:image/svg+xml;base64,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); }
.icon-cancel{ --icon: url(data:image/svg+xml;base64,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); }

.legend-reopen{
  position:absolute;
  right:14px;
  top:14px;
  width:36px; height:36px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  background: rgba(0,0,0,.35);
  font-weight:600;
  cursor:pointer;
  display:none;
}
.legend-reopen:hover{ background: rgba(0,0,0,.5); }
.legend-close{
  position:absolute;
  top:6px; right:8px;
  width:24px; height:24px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  background: rgba(0,0,0,.35);
  cursor:pointer;
  line-height:18px;
  font-size:16px;
  padding:0;
}
.info-btn{
  position:absolute;
  right:14px;
  top:56px;
  width:36px; height:36px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  background: rgba(0,0,0,.35);
  cursor:pointer;
  font-weight:600;
}
.info-btn:hover{ background: rgba(0,0,0,.5); }
.info-overlay{
  position:absolute;
  inset:0;
  display:none;
  align-items:center;
  justify-content:center;
  background: rgba(0,0,0,.35);
  backdrop-filter: blur(6px);
}
.info-overlay.open{ display:flex; }
.info-card{
  position:relative;
  max-width:520px;
  margin:20px;
  padding:18px 18px 14px;
  border-radius:16px;
  background: rgba(0,0,0,.55);
  border:1px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.92);
  box-shadow: var(--shadow);
}
.info-logo{
  display:flex;
  justify-content:center;
  margin-bottom:6px;
}
.info-logo img{
  height:72px;
  width:auto;
  filter: drop-shadow(0 0 12px rgba(0,0,0,.55));
}
.info-card h3{ margin:4px 0 10px; font-size:16px; }
.info-card p{ margin:8px 0; color: rgba(255,255,255,.82); }
.info-links{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  font-size:12px;
  margin:8px 0;
}
.info-links a{
  color:var(--accent);
  text-decoration: underline;
}
.info-links a:hover{
  text-decoration:underline;
}
.info-card a{
  color:var(--accent);
  text-decoration: underline;
}
.info-card .muted{ color: var(--muted); }
.info-close{
  position:absolute;
  top:8px; right:10px;
  width:24px; height:24px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  background: rgba(0,0,0,.35);
  cursor:pointer;
  line-height:18px;
  font-size:16px;
  padding:0;
}
.info-close:hover{ background: rgba(0,0,0,.5); }
.legend-close:hover{ background: rgba(0,0,0,.5); }
.legend b{ font-weight:650; }
.legend .key{ color: var(--muted); }
.legend-note{
  margin-top:10px;
  font-size:12px;
  color:var(--muted);
  line-height:1.4;
}
.kbd{
  display:inline-block;
  padding:2px 6px;
  border-radius:8px;
  border:1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  font-variant-numeric: tabular-nums;
}

@media (max-width: 980px){
  body{ overflow:auto; }
  .app{ grid-template-columns: 1fr; grid-template-rows: auto 65vh; }
  .legend{ position:static; margin:10px; }
}