:root{
  --bg1:#ffffff;
  --bg2:#f6f7fb;
  --ink:#0b1220;
  --lvl:0;
  --breath:0;
}

*{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;
  color:var(--ink);
  background: radial-gradient(1200px 800px at 50% 35%, var(--bg1), var(--bg2));
  overflow:hidden;
}

.stage{height:100%;display:grid;place-items:center;position:relative;}
.orb-wrap{width:min(520px,80vw);height:min(520px,80vw);display:grid;place-items:center;position:relative;}

.orb-shadow{
  position:absolute;width:62%;height:14%;bottom:12%;
  border-radius:999px;
  background: radial-gradient(closest-side, rgba(0,0,0,.25), rgba(0,0,0,0));
  filter: blur(10px);
  transform: scale(calc(0.95 + var(--lvl)*0.12 + var(--breath)*0.02));
  opacity: calc(0.35 + var(--lvl)*0.25);
}

.orb{
  position:relative;width:44%;height:44%;
  border-radius:50%;
  transform: translateY(calc(-2% - var(--lvl)*2%))
            scale(calc(1 + var(--lvl)*0.08 + var(--breath)*0.02));
  transition: transform 120ms linear;
}

.orb-core{
  position:absolute; inset:0; border-radius:50%;
  background:
    radial-gradient(60% 60% at 35% 30%, rgba(255,255,255,.95), rgba(255,255,255,.15) 45%, rgba(3,55,101,.35) 70%, rgba(3,55,101,.75)),
    radial-gradient(120% 120% at 70% 80%, rgba(218,180,92,.35), rgba(218,180,92,0) 55%);
  box-shadow: 0 30px 70px rgba(3,55,101,.22), 0 10px 25px rgba(0,0,0,.12);
}

.orb-halo{
  position:absolute; inset:-18%; border-radius:50%;
  background:
    radial-gradient(closest-side, rgba(3,55,101,.24), rgba(3,55,101,0) 60%),
    radial-gradient(closest-side, rgba(218,180,92,.20), rgba(218,180,92,0) 62%);
  filter: blur(calc(8px + var(--lvl)*6px));
  opacity: calc(0.45 + var(--lvl)*0.55);
  transform: scale(calc(1.00 + var(--lvl)*0.10));
  transition: opacity 120ms linear, transform 120ms linear, filter 120ms linear;
}

.orb-rings{
  position:absolute; inset:-35%; border-radius:50%;
  background:
    conic-gradient(from 0deg,
      rgba(3,55,101,0) 0deg,
      rgba(3,55,101,.22) 50deg,
      rgba(218,180,92,.20) 95deg,
      rgba(3,55,101,0) 140deg,
      rgba(218,180,92,.18) 210deg,
      rgba(3,55,101,.18) 260deg,
      rgba(3,55,101,0) 360deg);
  mask: radial-gradient(closest-side, transparent 56%, #000 58%, #000 62%, transparent 66%);
  opacity: calc(0.20 + var(--lvl)*0.55);
  filter: blur(1px);
  animation: spin 10s linear infinite;
  transform: scale(calc(1.00 + var(--lvl)*0.12));
}

@keyframes spin{
  from{transform:rotate(0deg) scale(calc(1.00 + var(--lvl)*0.12))}
  to  {transform:rotate(360deg) scale(calc(1.00 + var(--lvl)*0.12))}
}

.hud{
  position:absolute; bottom:22px; left:22px;
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(0,0,0,.06);
  backdrop-filter: blur(10px);
  border-radius: 14px;
  padding: 14px 14px 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,.08);
  min-width: 330px;
}

.hud-title{
  font-weight: 900;
  letter-spacing: .12em;
  font-size: 12px;
  color: rgba(3,55,101,.92);
  margin-bottom: 10px;
}

.hud-row{display:flex;gap:8px;align-items:center;margin-bottom:8px;flex-wrap:wrap;}

.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding: 6px 10px;
  border-radius:999px;
  font-size: 12px;
  font-weight: 900;
  border: 1px solid rgba(3,55,101,.12);
  background: rgba(3,55,101,.06);
  color: rgba(3,55,101,.92);
}

.pill-muted{
  border-color: rgba(0,0,0,.08);
  background: rgba(0,0,0,.04);
  color: rgba(0,0,0,.65);
}

.btn{
  appearance:none;
  border: 1px solid rgba(3,55,101,.16);
  background: rgba(255,255,255,.9);
  color: rgba(3,55,101,.92);
  border-radius: 10px;
  padding: 7px 10px;
  font-weight: 900;
  font-size: 12px;
  cursor:pointer;
}
.btn:hover{ background:#fff; }
.btn:active{ transform: translateY(1px); }

.hud-note{font-size:12px;color:rgba(0,0,0,.55);margin-top:6px;}
code{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;font-size: 11px;}

.btn-talk{ border-color: rgba(0,0,0,.10); }
.btn-talk.active{ background: rgba(3,55,101,.08); }