:root{
  --bg:#0b0f17;
  --panel:#0f1620;
  --accent:#ff6b35;
  --muted:#9aa6b2;
  --glass: rgba(255,255,255,0.04);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial;
  background: radial-gradient(1200px 600px at 10% 10%, rgba(255,120,40,0.06), transparent 6%),
              radial-gradient(900px 400px at 90% 90%, rgba(40,160,255,0.02), transparent 6%),
              var(--bg);
  color:#e6eef6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  display:flex;
  align-items:stretch;
  min-height:100vh;
}

/* layout */
.ui-wrap{
  margin:auto;
  width:min(1200px,96%);
  background:linear-gradient(180deg, rgba(255,255,255,0.02), transparent 30%);
  border-radius:14px;
  box-shadow: 0 10px 40px rgba(2,6,23,0.6);
  overflow:hidden;
}

.topbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:18px 22px;
  gap:16px;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border-bottom:1px solid rgba(255,255,255,0.03);
}

.title{display:flex;align-items:center;gap:12px}
.title .icon{font-size:26px;filter:drop-shadow(0 6px 12px rgba(255,107,53,0.18))}
.title h1{font-size:18px;margin:0;font-weight:600}

.controls{display:flex;gap:12px;align-items:center}
.score-group{font-weight:600;color:var(--muted);display:flex;gap:10px;align-items:center}
.score-group span{color:#fff}
.buttons{display:flex;gap:8px;align-items:center}

.btn{
  background:var(--glass);
  border:1px solid rgba(255,255,255,0.04);
  color:#e9f3ff;
  padding:8px 12px;
  border-radius:8px;
  cursor:pointer;
  font-weight:600;
  transition:transform .12s ease, box-shadow .12s;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(2,6,23,0.35)}
.btn.primary{background:linear-gradient(90deg,var(--accent),#ff9a5a); color:#08101a; border:none; box-shadow:0 8px 26px rgba(255,107,53,0.12)}

.volume input{display:none}

/* main area */
.game-area{
  display:grid;
  grid-template-columns: 1fr 320px;
  gap:18px;
  padding:18px;
  align-items:stretch;
}

#gameCanvas{
  width:100%;
  height:640px;
  display:block;
  border-radius:12px;
  background-image:
    linear-gradient(180deg, rgba(255,255,255,0.015), transparent 10%),
    url('https://source.unsplash.com/1600x900/?embers,fire');
  background-size:cover;
  background-position:center;
  box-shadow: inset 0 0 140px rgba(255,120,40,0.03), 0 20px 60px rgba(2,6,23,0.6);
  border:1px solid rgba(255,255,255,0.03);
  position:relative;
}

/* side panel */
.side-panel{
  padding:12px;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
  border-radius:12px;
  border:1px solid rgba(255,255,255,0.03);
  height:640px;
  overflow:auto;
}

.stat{margin-bottom:12px}
.label{font-size:13px;color:var(--muted);margin-bottom:6px}
.meter{height:14px;border-radius:999px;background:rgba(255,255,255,0.03);padding:3px}
.meter-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,#ffef8a,var(--accent));width:20%;box-shadow:0 6px 18px rgba(255,107,53,0.12), 0 0 24px rgba(255,107,53,0.08) inset;transition:width .18s ease}

.wind{font-weight:700;color:#cfeaff}
#status{font-weight:700;color:#f7e4d0}

.tips ul{padding-left:16px;margin:6px 0;color:var(--muted);line-height:1.35;font-size:13px}

.footer{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:12px 18px;
  border-top:1px solid rgba(255,255,255,0.02);
  background:linear-gradient(0deg, rgba(255,255,255,0.01), transparent);
}
.footer .links a{margin-left:14px;color:var(--muted);text-decoration:none;font-weight:600}
.footer .links a.play-button{background:transparent;border:1px solid rgba(255,255,255,0.03);padding:6px 10px;border-radius:8px;color:#fff}

/* responsive */
@media (max-width:1024px){
  .game-area{grid-template-columns:1fr}
  #gameCanvas{height:520px}
  .side-panel{height:auto}
}