:root{
  --bg:#0b0d10;
  --panel:#11161c;
  --ink:#e9eef5;
  --muted:#a9b5c3;
  --line:rgba(255,255,255,.14);
  --soft:rgba(255,255,255,.08);
  --radius:16px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
}

.wrap{
  max-width: 960px;
  margin: 0 auto;
  padding: 28px 18px 42px;
}

h1{ font-size: 28px; margin: 0 0 8px; }
.sub{ margin: 0 0 18px; color: var(--muted); }

.grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.card{
  display:block;
  padding: 16px;
  background: linear-gradient(180deg, var(--panel), rgba(17,22,28,.75));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration:none;
  color: var(--ink);
  transition: transform .08s ease, border-color .12s ease;
}
.card:hover{
  transform: translateY(-2px);
  border-color: rgba(255,255,255,.26);
}
.card h2{ margin: 0 0 6px; font-size: 18px; }
.card p{ margin: 0; color: var(--muted); }

.model{
  display:grid;
  gap: 12px;
  margin-top: 14px;
}

.topbar{
  display:flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
}

a.link{ color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--soft); }
a.link:hover{ border-bottom-color: rgba(255,255,255,.28); }

.stack{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow:hidden;
  background: rgba(255,255,255,.02);
}

.band{
  padding: 10px 14px;
  font-weight: 600;
  border-bottom: 1px solid var(--line);
}
.band small{ font-weight: 500; color: var(--muted); margin-left: 8px; }

.stage{
  position: relative;
  height: 440px;
  padding: 18px 0;
}

.label{
  position:absolute;
  left: 16px;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .06em;
}
.label.map{ top: 14px; }
.label.terrain{ bottom: 14px; }

.channel{
  position:absolute;
  left: 50%;
  top: 52px;
  bottom: 52px;
  width: 120px;
  transform: translateX(-50%);
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  overflow:hidden;
}

.particle{
  position:absolute;
  left: 50%;
  top: 12px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.85);
  transform: translateX(-50%);
  filter: blur(.2px);
}

.note{
  padding: 12px 14px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  line-height: 1.45;
}

.controls{
  display:flex;
  gap: 10px;
  align-items:center;
  flex-wrap: wrap;
}
.controls label{ color: var(--muted); font-size: 13px; }
.controls input[type="range"]{ width: 220px; }
.pill{
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.03);
  color: var(--muted);
  font-size: 13px;
}

.foot{ margin-top: 18px; color: var(--muted); }
.hint{ opacity: .9; }