*{box-sizing:border-box}
:root{--bg:#07111f;--panel:#0d1b2d;--line:#1d334d;--text:#f3f7fb;--muted:#8ea4ba;--accent:#65e6b2;--danger:#ff6b7a}
body{margin:0;background:radial-gradient(circle at top,#12304c 0,#07111f 48%,#040a12 100%);color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;min-height:100vh}
#app{max-width:1100px;margin:auto;padding:24px 18px 18px}
header{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:18px}
h1{font-size:clamp(27px,5vw,48px);line-height:.95;margin:7px 0 10px;letter-spacing:-1.8px}
header p{margin:0;color:var(--muted)}
.smallBtn{background:var(--panel);border:1px solid var(--line);color:white;border-radius:12px;padding:10px 12px;font-size:18px;cursor:pointer}
.hud{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:10px}
.hud>div{background:rgba(13,27,45,.9);border:1px solid var(--line);border-radius:14px;padding:10px 14px}
.hud span{display:block;color:var(--muted);font-size:10px;font-weight:800;letter-spacing:1.4px}
.hud b{font-size:24px}
.gameWrap{position:relative;border-radius:18px;overflow:hidden;border:1px solid #25425f;box-shadow:0 25px 80px rgba(0,0,0,.35);background:#0a1725}
canvas{display:block;width:100%;height:auto;touch-action:none;user-select:none;-webkit-user-select:none}
.overlay{position:absolute;inset:0;display:grid;place-items:center;background:rgba(2,8,14,.58);backdrop-filter:blur(4px);padding:20px}
.card{max-width:440px;text-align:center;background:rgba(7,17,31,.95);border:1px solid #31506e;border-radius:22px;padding:28px;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.card .big{font-size:50px}.card h2{margin:4px 0 10px;font-size:28px}.card p{color:#b7c7d6;line-height:1.5}
.card button{border:0;background:var(--accent);color:#062017;font-weight:900;padding:14px 22px;border-radius:12px;cursor:pointer;margin:8px 0 12px}
.card small{display:block;color:#738aa0}
.controls{display:flex;justify-content:center;gap:10px;padding:14px 0 4px;position:relative;z-index:5}
.controls button{width:64px;height:50px;border:1px solid var(--line);background:#0d1b2d;color:white;border-radius:13px;font-size:21px;touch-action:none}
.tip{text-align:center;color:var(--muted);font-size:12px;margin-top:8px}
footer{text-align:center;color:#526a82;font-size:11px;margin-top:18px}
@media(max-width:600px){#app{padding:12px 8px}header p{font-size:12px}.hud b{font-size:20px}.card{padding:22px}.controls button{width:58px}}

/* Mobile game layout */
@media (max-width: 700px){
  #app{max-width:none;padding:8px 7px 10px}
  header{margin-bottom:8px}
  header h1{font-size:clamp(27px,8vw,40px);margin:2px 0 5px}
  header p{font-size:13px}
  .hud{gap:6px;margin-bottom:6px}
  .hud>div{padding:7px 9px;border-radius:11px}
  .hud b{font-size:19px}
  .gameWrap{border-radius:14px}
  canvas{min-height:64vh;object-fit:cover}

  /* Os controles ficam fora do campo, junto ao rodapé. */
  .controls{
    margin:0;
    padding:12px 0 0;
    justify-content:center;
    gap:8px;
    pointer-events:none;
  }
  .controls button{
    pointer-events:auto;
    width:58px;
    height:48px;
    border-radius:12px;
    font-size:20px;
  }
  footer{
    margin-top:10px;
    padding-bottom:4px;
  }
}