:root{
  --ink:#eef2ff;
  --dim:#9aa6c4;
  --hot:#ff2e6a;
  --cool:#5ec8ff;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:#04050a;overflow:hidden;
  font-family:"Segoe UI",Inter,system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif}

/* media elements are decoded into textures, never displayed */
#crowdVid{position:absolute;width:2px;height:2px;opacity:0;pointer-events:none;left:-10px;top:-10px}

/* ---------------- overlay ---------------- */
#overlay{
  position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;
  background:
    radial-gradient(1200px 700px at 50% 42%, rgba(90,40,140,.35), transparent 70%),
    radial-gradient(900px 600px at 18% 88%, rgba(255,46,106,.18), transparent 70%),
    radial-gradient(900px 600px at 84% 84%, rgba(94,200,255,.16), transparent 70%),
    #04050a;
  transition:opacity .6s ease;
}
#overlay.gone{opacity:0;pointer-events:none}

.panel{width:min(92vw,560px);text-align:center;padding:26px}
.kicker{
  font-size:11px;letter-spacing:.34em;text-transform:uppercase;color:var(--cool);
  opacity:.85;margin-bottom:14px
}
h1{
  margin:0;font-size:clamp(42px,11vw,78px);line-height:.94;letter-spacing:.06em;
  color:var(--ink);font-weight:800;
  text-shadow:0 0 34px rgba(120,90,255,.55)
}
h1 span{
  background:linear-gradient(92deg,var(--hot),#ffb03a 55%,var(--cool));
  -webkit-background-clip:text;background-clip:text;color:transparent
}
.sub{margin:16px 0 26px;color:var(--dim);font-size:15px;line-height:1.65}

#loadbar{height:3px;width:100%;background:rgba(255,255,255,.09);border-radius:99px;overflow:hidden}
#loadfill{height:100%;width:0%;border-radius:99px;
  background:linear-gradient(90deg,var(--hot),#ffb03a,var(--cool));
  transition:width .35s ease}
#loadtxt{margin-top:10px;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim);min-height:16px}

#startBtn{
  margin-top:26px;padding:16px 40px;border:0;border-radius:99px;cursor:pointer;
  font-size:15px;font-weight:800;letter-spacing:.2em;color:#0b0512;
  background:linear-gradient(92deg,var(--hot),#ffb03a);
  box-shadow:0 10px 40px rgba(255,46,106,.42);
  transition:transform .18s ease,opacity .25s ease,box-shadow .2s ease;
}
#startBtn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 16px 52px rgba(255,46,106,.55)}
#startBtn:disabled{opacity:.32;cursor:default;box-shadow:none;filter:grayscale(.5)}

.hint{margin-top:22px;font-size:12px;line-height:1.9;color:#6b7899}
.hint b{color:#96a3c6;font-weight:700}
.hint i{font-style:normal;color:var(--cool)}

/* ---------------- toast ---------------- */
#toast{
  position:fixed;left:50%;bottom:88px;transform:translateX(-50%) translateY(12px);z-index:9998;
  padding:10px 20px;border-radius:99px;pointer-events:none;opacity:0;
  background:rgba(8,10,20,.82);border:1px solid rgba(255,255,255,.12);
  color:var(--ink);font-size:13px;letter-spacing:.05em;
  transition:opacity .3s ease,transform .3s ease;
}
#toast.on{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------------- VR / fullscreen controls ---------------- */
#controls{
  position:fixed;right:18px;bottom:18px;z-index:9990;
  display:none;gap:10px;align-items:center;
}
body.started #controls{display:flex}

.iconbtn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:46px;width:46px;padding:0;border-radius:99px;cursor:pointer;
  color:var(--ink);background:rgba(10,12,24,.72);
  border:1px solid rgba(255,255,255,.22);backdrop-filter:blur(8px);
  transition:background .18s ease,border-color .18s ease,transform .18s ease;
}
.iconbtn.wide{width:auto;padding:0 20px 0 16px}
.iconbtn:hover{background:rgba(30,34,60,.9);border-color:var(--cool);transform:translateY(-1px)}
.iconbtn:active{transform:translateY(0)}
.iconbtn span{font-size:13px;font-weight:800;letter-spacing:.2em}

.iconbtn svg{width:21px;height:21px;flex:none}
/* the fullscreen glyph is stroked, the headset glyph is filled */
#fsbtn svg{fill:none;stroke:currentColor;stroke-width:2;
  stroke-linecap:round;stroke-linejoin:round}
#vrbtn svg{fill:currentColor}

/* swap expand <-> compress with the actual fullscreen state */
#fsbtn .ico-compress{display:none}
body.fullscreen #fsbtn .ico-expand{display:none}
body.fullscreen #fsbtn .ico-compress{display:inline}

/* A-Frame's own orientation modal should sit above the canvas */
.a-enter-vr,.a-enter-ar{display:none !important}