/* Minimal, dark, clean */
:root{
  --bg:#0b0f17;
  --card:#0f1624;
  --card2:#0c1320;
  --text:#e8eefc;
  --muted:#9fb1d1;
  --line:#1e2a41;
  --accent:#7c5cff;
  --accent2:#28d1a4;
  --danger:#ff4d6d;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius: 18px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: radial-gradient(1200px 600px at 20% 0%, rgba(124,92,255,.15), transparent 60%),
              radial-gradient(1000px 600px at 90% 10%, rgba(40,209,164,.12), transparent 55%),
              var(--bg);
  color:var(--text);
}

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.03), transparent 40%), var(--card);
  border:1px solid rgba(255,255,255,.06);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.top{
  padding:18px 18px 0;
  display:flex;
  gap:14px;
  align-items:flex-start;
  flex-wrap:wrap;
}

.brand{
  display:flex;
  gap:12px;
  align-items:center;
  padding:14px 16px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(124,92,255,.12), rgba(40,209,164,.08));
  border:1px solid rgba(255,255,255,.08);
}
.dot{
  width:14px;height:14px;border-radius:999px;
  background: conic-gradient(from 180deg, var(--accent), var(--accent2), var(--accent));
  box-shadow: 0 0 0 6px rgba(124,92,255,.12);
}
.title{font-weight:700;font-size:18px;letter-spacing:.2px}
.subtitle{color:var(--muted);font-size:12px;margin-top:2px}

.controls{
  padding:14px 16px;
  min-width: 360px;
  max-width: 520px;
  flex: 1;
}

.row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:10px;
}
.smallRow{
  justify-content:flex-start;
  gap:14px;
  margin-top:8px;
  margin-bottom:0;
  flex-wrap:wrap;
}

.label{font-size:12px;color:var(--muted)}
.rangeReadout{
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  background: rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
}

.sliders{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.sliderRow{
  display:grid;
  grid-template-columns: 44px 1fr 34px;
  gap:10px;
  align-items:center;
}
.mini{font-size:12px;color:var(--muted)}
input[type="range"]{
  width:100%;
  accent-color: var(--accent);
}

.checkbox{
  display:flex;
  gap:10px;
  align-items:center;
  font-size:12px;
  color:var(--muted);
  user-select:none;
}
.checkbox input{accent-color: var(--accent2)}

.btn{
  background: rgba(124,92,255,.18);
  border:1px solid rgba(124,92,255,.35);
  color:var(--text);
  padding:8px 12px;
  border-radius: 12px;
  cursor:pointer;
}
.btn:hover{background: rgba(124,92,255,.24)}
.hint{font-size:12px;color:var(--muted)}

.main{
  padding:18px;
  display:grid;
  grid-template-columns: 1.6fr .9fr;
  gap:14px;
}
@media (max-width: 980px){
  .main{grid-template-columns:1fr}
  .controls{min-width: 280px}
}

.vizWrap{padding:14px}
.vizHeader{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:12px;
  padding:4px 4px 10px;
  border-bottom:1px solid rgba(255,255,255,.06);
  margin-bottom:10px;
}
.vizTitle{font-weight:700}
.vizMeta{color:var(--muted);font-size:12px}

#chart{
  width:100%;
  min-height: 640px;
  display:flex;
  align-items:center;
  justify-content:center;
}

.side{padding:14px}
.sideTitle{font-weight:700;margin-top:6px}
.bullets{margin:8px 0 0 16px;color:var(--muted);font-size:13px;line-height:1.4}
.mono{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', monospace;}
.small{font-size:12px;color:var(--muted);line-height:1.35}
.pill{
  display:inline-block;
  padding:2px 8px;
  border-radius:999px;
  background: rgba(40,209,164,.12);
  border:1px solid rgba(40,209,164,.28);
  margin-right:6px;
  color: var(--text);
}

.tooltip{
  position: fixed;
  pointer-events:none;
  z-index: 50;
  padding:10px 12px;
  border-radius: 14px;
  background: rgba(15,22,36,.92);
  border:1px solid rgba(255,255,255,.10);
  box-shadow: var(--shadow);
  color: var(--text);
  font-size:12px;
  max-width: 320px;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .12s ease, transform .12s ease;
}
.tooltip.show{
  opacity: 1;
  transform: translateY(0);
}