:root{
  --bg: #0b1221;
  --panel: #0f1b2d;
  --accent: #19d3da;
  --text: #e6eef6;
}

*{box-sizing: border-box; margin:0; padding:0}
body{
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background: linear-gradient(180deg,#071123 0%, #02111b 100%);
  color: var(--text);
  min-height: 100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}

.container{
  width: 880px;
  max-width: calc(100vw - 48px);
  text-align:center;
}

h1{
  margin-bottom:10px;
  font-weight:600;
  color:var(--accent);
}

.scoreboard{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:12px;
  gap:16px;
}

.score{
  background: rgba(255,255,255,0.03);
  padding:8px 16px;
  border-radius:8px;
  min-width:56px;
  font-size:20px;
  font-weight:700;
  color:var(--text);
}

.center-text{
  flex:1;
  text-align:center;
  color: #9fbfc6;
  font-size:14px;
}

canvas{
  display:block;
  margin: 0 auto;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border-radius:8px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.02);
  max-width: 100%;
}

.controls{
  margin-top:12px;
  color:#cde6ea;
  font-size:14px;
}

button{
  background:var(--accent);
  color:#042022;
  border:none;
  padding:8px 12px;
  border-radius:8px;
  cursor:pointer;
  margin-left:12px;
  font-weight:700;
}
button:hover{opacity:0.95}