:root{
  --bg:#071025;
  --card:#081326;
  --accent:#36f0ff;
  --accent-2:#8a2be2;
  --muted:#9aa8bf;
  --neon: 0 8px 32px rgba(54,240,255,0.12);
  --glass: rgba(255,255,255,0.03);
}

*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Inter,ui-sans-serif,system-ui,Segoe UI,Roboto,"Helvetica Neue",Arial; background:linear-gradient(180deg,var(--bg),#02101b 80%); color:#eaf7ff}
.shell{max-width:1150px;margin:28px auto;padding:18px}

.topbar{display:flex;flex-direction:column;gap:12px;margin-bottom:14px}
.topbar .left{display:flex;align-items:baseline;gap:12px}
.brand{font-size:20px;margin:0}
.muted{color:var(--muted);font-size:12px}
.controls-top{display:flex;justify-content:space-between;align-items:center;gap:12px}
.hud{display:flex;gap:18px;color:var(--muted);font-weight:600}
.buttons{display:flex;gap:8px;align-items:center}
.btn{background:linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));border:1px solid rgba(255,255,255,0.06);padding:8px 10px;border-radius:10px;color:#eaf7ff;cursor:pointer;backdrop-filter: blur(6px);box-shadow:var(--neon)}
.btn.ghost{background:transparent;border:1px dashed rgba(255,255,255,0.06)}
.btn:active{transform:translateY(1px)}

.game-area{display:flex;gap:16px}
.left-panel{width:260px}
.panel-card{background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));padding:14px;border-radius:12px;border:1px solid rgba(255,255,255,0.03);box-shadow: 0 8px 30px rgba(0,0,0,0.6)}
.panel-card.small{margin-top:12px}

.playfield-wrap{flex:1;display:flex;flex-direction:column;align-items:center}
.playfield{position:relative;width:100%;max-width:820px;background:linear-gradient(180deg,#021632,#001623);border-radius:14px;padding:18px;border:1px solid rgba(255,255,255,0.04);box-shadow: 0 20px 60px rgba(9,14,20,0.6) inset}
#gameCanvas{display:block;width:100%;height:auto;border-radius:10px;background:linear-gradient(180deg,#06141f,#041020);box-shadow:0 12px 40px rgba(0,0,0,0.6) inset}

.overlay{position:absolute;inset:18px;pointer-events:none}
.aim-hud{position:absolute;left:22px;bottom:22px;width:220px;height:140px;pointer-events:auto}
.shooter{position:absolute;left:18px;bottom:18px;width:36px;height:36px;border-radius:10px;background:linear-gradient(180deg,#9bf1ff,#36f0ff);box-shadow:0 6px 18px rgba(54,240,255,0.12),0 0 16px rgba(54,240,255,0.25);border:2px solid rgba(255,255,255,0.06)}
.aim-line{position:absolute;left:56px;bottom:36px;height:3px;width:260px;transform-origin:left center;opacity:0.8}

.center-info{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:linear-gradient(180deg, rgba(2,6,12,0.6), rgba(2,6,12,0.45));border-radius:10px;pointer-events:auto}
.center-info h2{font-size:26px;margin:0}
.center-info p{color:var(--muted);margin:0}

.foot{margin-top:18px;color:var(--muted);font-size:13px}

/* neon bricks: each brick has glow when drawn */
.brick {
  border-radius:4px;
  box-shadow: 0 4px 14px rgba(138,43,226,0.08), 0 0 12px rgba(54,240,255,0.06) inset;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
}

/* small responsive */
@media (max-width:980px){
  .game-area{flex-direction:column}
  .left-panel{width:100%}
  .playfield-wrap{order:1}
}