:root{
  --bg:#0f1724;
  --accent:#7dd3fc;
  --accent-2:#60a5fa;
  --muted:#9ca3af;
  --success:#10b981;
  --danger:#ef4444;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter, system-ui, Arial, sans-serif;
  background:linear-gradient(180deg,var(--bg),#071024 120%);
  color:#e6eef8;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}
.app{
  width:100%;
  max-width:720px;
  background:rgba(255,255,255,0.02);
  border-radius:12px;
  padding:28px;
  box-shadow:0 8px 30px rgba(2,6,23,0.6);
}
header h1{margin:0 0 6px;font-size:1.6rem}
.subtitle{margin:0;color:var(--muted)}
.game{margin-top:18px}
.meta{display:flex;gap:12px;justify-content:space-between;margin-bottom:16px}
.score,.lives{background:rgba(255,255,255,0.05);padding:8px 12px;border-radius:8px}
.word{
  background:rgba(255,255,255,0.02);
  border:1px solid rgba(255,255,255,0.05);
  padding:36px 18px;
  text-align:center;
  font-size:2.2rem;
  font-weight:700;
  border-radius:10px;
  margin-bottom:14px;
  min-height:96px;
  display:flex;align-items:center;justify-content:center;
}
.controls{display:flex;gap:12px;justify-content:center;margin-bottom:12px}
.btn{
  border:0;padding:12px 18px;border-radius:10px;font-weight:600;cursor:pointer;
  background:linear-gradient(180deg,var(--accent),var(--accent-2));
  color:#072033;box-shadow:0 6px 18px rgba(3,12,30,0.45);
}
.btn:active{transform:translateY(1px)}
.feedback{text-align:center;font-weight:600;margin-top:8px}
.footer-actions{display:flex;gap:10px;justify-content:center;margin-top:12px}
.btn.ghost{background:transparent;border:1px solid var(--accent);color:var(--accent)}