:root{
  --bg:#0f1720;
  --card:#0b1220;
  --accent:#42b983;
  --muted:#9aa4b2;
  --text:#e6eef6;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Inter,Helvetica,Arial,sans-serif;background:linear-gradient(180deg,var(--bg),#071022);color:var(--text)}
.container{max-width:1000px;margin:48px auto;padding:24px;border-radius:10px;background:rgba(255,255,255,0.02);box-shadow:0 6px 30px rgba(2,6,23,0.6);} /* 25% wider */
h1{margin:0 0 12px;font-weight:600;font-size:25px}
.value{font-size:60px;font-weight:700;color:var(--accent);margin:12px 0}
.status{color:var(--muted);margin-top:8px;font-size:13px}
canvas{display:block;width:100%;height:auto;border-radius:6px;background:linear-gradient(180deg,rgba(255,255,255,0.01),transparent);}