*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{width:100%;height:100%;overflow:hidden;background:#07010f;font-family:"Trebuchet MS","Segoe UI",system-ui,sans-serif;color:#fff;user-select:none;-webkit-user-select:none;touch-action:none;overscroll-behavior:none}
body{display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 50% 30%,#2a0a5b,#05010d 70%)}
#frame{position:relative;height:100vh;height:100dvh;width:min(100vw,calc(100dvh * 9 / 16));overflow:hidden;background:#120428;box-shadow:0 0 40px rgba(140,80,255,.35)}
@media (min-width:700px){#frame{height:96dvh;width:calc(96dvh * 9 / 16);border-radius:18px}}
canvas{display:block;width:100%;height:100%}
.hidden{display:none!important}
#hud{position:absolute;inset:0;pointer-events:none}
.icon-btn{pointer-events:auto;width:46px;height:46px;border-radius:12px;border:2px solid rgba(255,255,255,.35);background:rgba(20,10,40,.6);color:#fff;font-size:18px;font-weight:900;cursor:pointer}
#pauseBtn{position:absolute;left:12px;top:calc(12px + env(safe-area-inset-top))}
.mute{position:absolute;right:12px;top:calc(12px + env(safe-area-inset-top));z-index:5}
.scoretop{position:absolute;left:0;right:0;top:calc(14px + env(safe-area-inset-top));text-align:center}
.scoretop .lbl{font-size:13px;font-weight:900;color:#c4b5fd;letter-spacing:2px}
.scoretop b{display:block;font-size:52px;line-height:1;font-weight:900;text-shadow:0 3px 12px rgba(0,0,0,.5)}
.scoretop .best{font-size:13px;font-weight:800;color:#c4b5fd;margin-top:2px}
.combo{margin-top:6px;font-weight:900;font-size:18px;color:#f0abfc;text-shadow:0 0 8px #a855f7;transition:transform .12s;display:inline-block}
.combo.bump{transform:scale(1.3)}
.hintbar{position:absolute;left:50%;transform:translateX(-50%);bottom:calc(22px + env(safe-area-inset-bottom));padding:10px 20px;border-radius:14px;border:1px solid rgba(255,255,255,.25);background:rgba(20,10,40,.6);font-weight:900;font-size:15px;letter-spacing:1px;color:#ddd6fe;white-space:nowrap}
.overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:linear-gradient(180deg,rgba(20,0,40,.35),rgba(10,0,25,.8));text-align:center;padding:24px;cursor:pointer;z-index:4}
.logo{font-size:46px;font-weight:900;line-height:.95;color:#fff;text-shadow:0 0 10px #a855f7,0 0 26px #7c3aed;letter-spacing:1px}
.logo span{display:block;color:var(--accent,#fbbf24);font-size:62px}
.logo.small{font-size:44px;color:var(--accent,#fbbf24)}
.tag{font-size:16px;font-weight:700;line-height:1.4}
.big-btn{font-weight:900;font-size:22px;font-family:inherit;padding:14px 34px;border-radius:16px;border:3px solid #fff;background:linear-gradient(#a78bfa,#6d28d9);color:#fff;box-shadow:0 0 18px #8b5cf6;cursor:pointer}
.pulse{animation:pulse 1s infinite}
@keyframes pulse{50%{transform:scale(1.06)}}
.hint{font-size:12px;opacity:.85}
.best-line,.final{font-size:20px;font-weight:900}
.final b{color:#fbbf24;font-size:34px}
.new-best{color:#4ade80;font-weight:900;font-size:22px;animation:pulse .6s infinite}
#floaters{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.floater{position:absolute;font-weight:900;font-size:24px;color:#fff;text-shadow:0 0 10px currentColor;animation:floatUp .8s ease-out forwards;transform:translate(-50%,-50%)}
@keyframes floatUp{to{opacity:0;margin-top:-70px}}
#frame{--accent:#fbbf24}