:root{
  --bg0:#070A12;
  --bg1:#0B1022;
  --ink:#EAF0FF;
  --muted:#A9B5D6;
  --glass:rgba(255,255,255,.06);
  --glass2:rgba(255,255,255,.10);
  --stroke:rgba(255,255,255,.14);
  --accent:#7C5CFF;
  --accent2:#36D1DC;
  --good:#48E38B;
  --warn:#FFC857;
  --bad:#FF4D6D;
  --shadow: 0 18px 60px rgba(0,0,0,.45);
  --radius: 18px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background: radial-gradient(1200px 700px at 18% 12%, rgba(124,92,255,.20), transparent 55%),
              radial-gradient(900px 600px at 86% 24%, rgba(54,209,220,.14), transparent 50%),
              linear-gradient(180deg, var(--bg0), var(--bg1));
  overflow-x:hidden;
}

#bg{
  position:fixed;
  inset:0;
  width:100%;
  height:100%;
  z-index:-1;
}

.shell{
  max-width:1100px;
  margin:0 auto;
  padding:28px 18px 44px;
}

.top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:14px 14px;
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  background:linear-gradient(180deg, var(--glass), transparent);
  box-shadow:var(--shadow);
  backdrop-filter: blur(10px);
}

.brand{ display:flex; align-items:center; gap:12px; min-width: 240px; }
.sig{
  width:44px; height:44px;
  display:grid; place-items:center;
  border-radius:14px;
  background: linear-gradient(135deg, rgba(124,92,255,.9), rgba(54,209,220,.65));
  font-weight:900;
  letter-spacing:.5px;
  color:#061019;
}
.name{ font-weight:800; letter-spacing:.2px; }
.tag{ font-size:12px; color:var(--muted); margin-top:2px; }

.actions{ display:flex; gap:10px; flex-wrap:wrap; justify-content:flex-end; }

.btn{
  appearance:none;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.05);
  color:var(--ink);
  padding:10px 12px;
  border-radius:12px;
  font-weight:650;
  cursor:pointer;
  text-decoration:none;
  transition: transform .08s ease, background .15s ease, border-color .15s ease;
}
.btn:hover{ background: rgba(255,255,255,.09); border-color: rgba(255,255,255,.22); }
.btn:active{ transform: translateY(1px); }

.btn.primary{
  border-color: rgba(124,92,255,.55);
  background: linear-gradient(135deg, rgba(124,92,255,.75), rgba(54,209,220,.25));
}
.btn.ghost{ background: transparent; }

.hero{
  display:grid;
  grid-template-columns: 1.25fr .75fr;
  gap:14px;
  margin-top:14px;
}

.card{
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  box-shadow:var(--shadow);
  backdrop-filter: blur(10px);
  padding:18px 18px;
}

.eyebrow{ font-size:12px; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); }
.hero h1{ margin:8px 0 8px; font-size:42px; line-height:1.06; }
.hero p{ margin:0 0 14px; color:var(--muted); max-width:62ch; }

.readout{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap:10px;
  margin:14px 0;
}
.label{ font-size:12px; color:var(--muted); }
.value{ font-family:var(--mono); font-size:14px; margin-top:6px; }
.pill{
  display:inline-block;
  font-family:var(--mono);
  padding:2px 8px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:999px;
  background: rgba(255,255,255,.05);
}

.row{ display:flex; gap:10px; flex-wrap:wrap; }
.output{
  margin-top:14px;
  min-height:64px;
  border:1px dashed rgba(255,255,255,.18);
  border-radius:14px;
  padding:12px;
  color:var(--muted);
  font-family:var(--mono);
  white-space:pre-wrap;
}

.ascii pre{
  margin:0;
  font-family:var(--mono);
  color:#DCE6FF;
  font-size:13px;
  line-height:1.2;
}
.hint{ color:var(--muted); font-size:12px; margin-top:12px; }

.grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap:14px;
  margin-top:14px;
}
.tile h2{ margin:0 0 8px; font-size:18px; }
.tile p{ margin:0 0 12px; color:var(--muted); }

.foot{
  display:flex;
  justify-content:space-between;
  margin-top:18px;
  color:var(--muted);
  font-size:13px;
  padding:0 6px;
}

/* Lab mode */
body.lab .top{ border-color: rgba(72,227,139,.35); }
body.lab .sig{ filter: saturate(1.25); }
body.lab .output{ border-color: rgba(72,227,139,.35); color: #CFFFE3; }

/* Responsive */
@media (max-width: 900px){
  .hero{ grid-template-columns: 1fr; }
  .grid{ grid-template-columns: 1fr; }
  .hero h1{ font-size:34px; }
  .readout{ grid-template-columns: 1fr; }
}