:root{
  --bg1:#0f1121;
  --bg2:#141628;
  --panel:#181a31;
  --panel-2:#111326;
  --text:#e8e9ff;
  --muted:#a6a8c6;
  --accent:#7c4dff;      /* purple */
  --accent-2:#3aa0ff;    /* blue */
  --danger:#ff2f4f;
  --shadow:0 10px 30px rgba(0,0,0,.45);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial;
  color:var(--text);
  background: radial-gradient(1200px 800px at 10% -10%, #1c2050 0%, transparent 40%),
              radial-gradient(1000px 700px at 110% 20%, #26205a 0%, transparent 42%),
              linear-gradient(180deg, var(--bg1), var(--bg2));
}

/* topbar */
.topbar{
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 20px; background:rgba(0,0,0,.35); border-bottom:1px solid #1f2140;
  position:sticky; top:0; z-index:5; backdrop-filter: blur(6px);
}
.brand{display:flex; align-items:center; gap:10px; letter-spacing:.5px; font-weight:700}
.logo{display:block}

.wrap{display:flex; flex-direction:column; min-height:100%}
.stage{
  width:70%;
  margin:28px auto 60px;
}

/* panels */
.panel{
  background:linear-gradient(180deg, var(--panel), var(--panel-2));
  border:1px solid #23264d;
  border-radius:18px; padding:20px;
  box-shadow:var(--shadow);
}
.panel h2{margin:.2rem 0 1rem; letter-spacing:.6px}

.settings .fields{
  display:grid; grid-template-columns: repeat(3, 1fr);
  gap:18px; margin-bottom:14px;
}
.field{display:flex; flex-direction:column; gap:6px; background:#111327; border:1px solid #23264d; padding:14px; border-radius:12px}
.field span{color:#cfd2ff; font-weight:600}
.field small{color:var(--muted)}

.actions{display:flex; gap:12px; margin-top:8px}

/* buttons */
.btn{
  border:none; border-radius:12px; padding:10px 14px; font-weight:700;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  color:#0c1024; cursor:pointer; box-shadow:0 6px 18px rgba(58,160,255,.25);
}
.btn.primary{background:linear-gradient(135deg, var(--accent-2), var(--accent))}
.btn.ghost{background:transparent; color:#cfd2ff; border:1px solid #2a2d56}
.btn.danger{background:linear-gradient(135deg, #ff6b81, var(--danger)); color:#1a0d12}
.btn.small{padding:6px 10px; border-radius:10px}
.btn:hover{filter:brightness(1.06)} .btn:active{transform:translateY(1px)}

/* game panel */
.play{position:relative; overflow:hidden; padding:0}
.game-area{
  position:relative; height:540px; border-radius:16px; overflow:hidden;
  cursor:none;  /* hide system cursor */
}

/* subtle grid background like your screenshot */
.grid{
  background:
    linear-gradient(#1c1f3a 1px, transparent 1px) 0 0 / 160px 160px,
    linear-gradient(90deg, #1c1f3a 1px, transparent 1px) 0 0 / 160px 160px,
    linear-gradient(#151833 1px, transparent 1px) 0 0 / 40px 40px,
    linear-gradient(90deg, #151833 1px, transparent 1px) 0 0 / 40px 40px,
    #0f1121;
}

/* custom crosshair '+' that follows mouse */
.cursor{
  position:absolute; width:20px; height:20px; pointer-events:none; z-index:5;
  color:#c8ccff; font-weight:900; text-align:center; line-height:20px;
  mix-blend-mode:screen; opacity:.9; filter:drop-shadow(0 0 4px rgba(80,120,255,.5));
  transform: translate(-50%, -50%);
}

/* HUD overlay */
.hud{
  position:absolute; top:12px; right:12px; display:flex; gap:10px; align-items:center; z-index:4;
}
.hud-box{
  background:rgba(8,10,24,.6); border:1px solid #242759; padding:8px 12px;
  border-radius:10px; font-size:.95rem; color:#dfe2ff; backdrop-filter: blur(4px);
}

/* bubbles */
.bubble{
  position:absolute; border-radius:50%;
  background: radial-gradient(60% 60% at 35% 35%, rgba(255,255,255,.25), rgba(255,255,255,0) 60%),
              radial-gradient(circle at 60% 60%, rgba(58,160,255,.45), rgba(124,77,255,.55));
  box-shadow: 0 4px 16px rgba(58,160,255,.28);
  animation: spawn .22s ease-out, float 2.2s ease-in-out infinite alternate;
  will-change: transform, opacity;
}
.bubble:hover{filter:brightness(1.08)}
@keyframes spawn{from{transform:scale(.4); opacity:.0} to{transform:scale(1); opacity:1}}
@keyframes float{from{transform: translateY(-2px)} to{transform: translateY(2px)}}

/* bubble click ripple + fade */
.bubble.pop{
  animation: pop .35s ease-out forwards;
}
@keyframes pop{
  0%{transform:scale(1); opacity:1}
  70%{transform:scale(1.25); opacity:.6; box-shadow:0 0 40px rgba(124,77,255,.4)}
  100%{transform:scale(1.35); opacity:0}
}

.bubble {
  transition: transform 0.25s ease-out, opacity 0.25s ease-out;
}

.bubble.fade-out {
  opacity: 0;
  transform: scale(0.6);
}

/* ripple ring */
.ring{
  position:absolute; border:2px solid rgba(90,140,255,.7); border-radius:50%;
  transform: translate(-50%,-50%) scale(.4); opacity:.9; pointer-events:none; z-index:3;
  animation: ring .45s ease-out forwards;
}
@keyframes ring{
  to{transform: translate(-50%,-50%) scale(1.8); opacity:0}
}

/* countdown */
.countdown{
  position:absolute; inset:0; display:grid; place-items:center; background:rgba(5,6,18,.55);
  backdrop-filter: blur(2px); z-index:6;
}
.count-inner{display:flex; flex-direction:column; align-items:center; gap:10px}
.count-text{font-weight:900; letter-spacing:1px}
#countNum{font-size:2rem}

/* results */
.results h2{margin-top:0}
.cards{display:grid; grid-template-columns: repeat(3,1fr); gap:16px; margin:14px 0 8px}
.card{
  background:#0f122a; border:1px solid #22265a; border-radius:14px; padding:16px;
  box-shadow:var(--shadow);
}
.card .label{color:#aab0e6; letter-spacing:.5px; font-weight:700; margin-bottom:6px}
.card .value.big{font-size:2.2rem; font-weight:900}
.card .note{color:#93a0e6; margin-top:6px; font-size:.95rem}

.hide{display:none}