:root{
  --bg:#0b0f1a;--panel:#0f1525;--accent:#ff2bd6;--accent2:#2bd9ff;--gold:#ffd75e;--txt:#e6ecff;--muted:#7f8fb3;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:radial-gradient(1200px 700px at 20% -10%,#16213e,transparent 60%),radial-gradient(800px 400px at 110% 0%,#2b2d42,transparent 50%),var(--bg);color:var(--txt);font-family:Montserrat, 'Noto Sans JP', system-ui, -apple-system, sans-serif}
.app{min-height:100%;display:flex;flex-direction:column}
.header{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;background:linear-gradient(180deg,#10172b,rgba(16,23,43,.2));border-bottom:1px solid rgba(255,255,255,.05);backdrop-filter:blur(4px);position:sticky;top:0;z-index:10}
.brand{font-weight:800;letter-spacing:.6px;background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent;font-size:20px}
.badges{display:flex;gap:8px}
.badge{border:1px solid rgba(255,255,255,.14);color:var(--muted);padding:4px 8px;border-radius:999px;font-size:12px}
.badge.glow{border-color:transparent;background:linear-gradient(90deg,#2d0350,#031c50);box-shadow:0 0 18px rgba(255,43,214,.35) inset,0 0 16px rgba(43,217,255,.25) inset}

.game{max-width:1100px;margin:24px auto;padding:0 16px;display:grid;gap:16px}
.screen{position:relative;border:1px solid rgba(255,255,255,.1);border-radius:16px;background:linear-gradient(180deg,#0b1222,#0e1322 60%,#0b0f1a);box-shadow:0 10px 30px rgba(0,0,0,.45),0 1px 0 rgba(255,255,255,.05) inset}
.fx-glow::before{content:"";position:absolute;inset:-2px;border-radius:18px;background:linear-gradient(90deg,rgba(255,43,214,.5),rgba(43,217,255,.5));filter:blur(18px);opacity:.18;z-index:0}
.board{position:relative;z-index:1;display:grid;grid-template-columns:repeat(5,1fr);gap:10px;padding:20px}
.reel{height:min(56vh,420px);min-height:280px;border-radius:12px;overflow:hidden;background:linear-gradient(180deg,#0f1b36,#0c1324);border:1px solid rgba(255,255,255,.06);position:relative}
.symbol{height:33.333%;display:flex;align-items:center;justify-content:center;font-size:clamp(36px,7.2vh,64px);text-shadow:0 2px 0 rgba(0,0,0,.2),0 6px 18px rgba(0,0,0,.55)}
.symbol i{display:block;transform:translateZ(0)}
.symbol.win{animation:pop .7s ease-out}
@keyframes pop{0%{transform:scale(.8)}60%{transform:scale(1.2)}100%{transform:scale(1)}}

.panel{display:grid;gap:16px;padding:14px;background:linear-gradient(180deg,#0c1324 20%,#0b0f1a);border:1px solid rgba(255,255,255,.08);border-radius:12px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.stat{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.07);border-radius:10px;padding:10px 12px}
.label{font-size:12px;color:var(--muted);letter-spacing:.6px}
.value{font-size:20px;font-weight:800;display:flex;gap:8px;align-items:center}
.bet{display:inline-block;min-width:40px;text-align:center}
.controls{display:flex;gap:10px;align-items:center}
.btn{appearance:none;border:none;border-radius:10px;padding:12px 18px;background:#202a44;color:var(--txt);font-weight:800;letter-spacing:.6px;cursor:pointer;transition:transform .05s ease, box-shadow .2s ease;box-shadow:0 2px 0 rgba(0,0,0,.4)}
.btn:hover{box-shadow:0 6px 22px rgba(0,0,0,.35)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:linear-gradient(90deg,#6510a6,#046fa6);box-shadow:0 6px 24px rgba(101,16,166,.35)}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.15)}
.btn.mini{padding:6px 10px;border-radius:8px}
.btn.spin{font-size:18px}

.help{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);border-radius:10px;padding:10px}
.help summary{cursor:pointer;color:var(--gold)}
.help-body{color:var(--muted);font-size:14px}

.win-overlay{position:absolute;inset:0;display:grid;place-items:center;background:radial-gradient(600px 300px at 50% 50%,rgba(255,215,126,.12),transparent 60%),rgba(0,0,0,.25);backdrop-filter:blur(1px);z-index:2}
.win-box{padding:20px 30px;border-radius:16px;background:linear-gradient(180deg,#130a02,#1b1204);border:1px solid rgba(255,215,94,.35);box-shadow:0 10px 40px rgba(0,0,0,.55),0 0 60px rgba(255,215,94,.22) inset;text-align:center}
.win-title{font-size:20px;color:var(--gold);letter-spacing:2px}
.win-amount{font-size:42px;font-weight:900;color:#fff;text-shadow:0 0 24px rgba(255,215,94,.45)}

.confetti{position:absolute;inset:0;pointer-events:none;z-index:3}

.footer{display:flex;justify-content:center;gap:12px;padding:18px 10px;color:var(--muted)}

@media (max-width: 860px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .board{gap:6px;padding:10px}
}