:root{color-scheme:dark;font-family:system-ui,-apple-system,Segoe UI,sans-serif}html,body{margin:0;padding:0;height:100%;background:#05070d;color:#f0f4ff}#app{position:relative;width:100vw;height:100vh;height:100dvh;overflow:hidden}#scene{position:absolute;top:0;right:0;bottom:0;left:0;display:block}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;text-align:center;background:radial-gradient(ellipse at center,#05070d40,#05070da6 75%);transition:opacity .4s ease;pointer-events:none}.overlay.hidden{opacity:0;pointer-events:none}.title{font-size:clamp(2rem,6vw,3.5rem);margin:0;letter-spacing:.05em;text-shadow:0 2px 20px rgba(0,0,0,.6)}.subtitle{font-size:clamp(1rem,2.5vw,1.4rem);margin:0;opacity:.85}.menu-title{font-family:"Baloo 2",Segoe UI,sans-serif;font-weight:800;color:#fff;letter-spacing:.02em;text-shadow:0 4px 0 rgba(20,60,120,.35),0 10px 24px rgba(10,40,90,.4)}.byline{font-family:"Baloo 2",Segoe UI,sans-serif;font-size:clamp(.9rem,2vw,1.1rem);font-weight:600;color:#ffffffeb;text-shadow:0 2px 0 rgba(20,60,120,.3);margin:-.4rem 0 .25rem}.qr-canvas{border-radius:12px;background:#fff;padding:12px;box-shadow:0 8px 30px #00000080}.room-code{font-size:1.1rem;letter-spacing:.3em;opacity:.7;margin:0}.waiting-status{font-size:.95rem;opacity:.6;margin:0}.hud{position:absolute;top:1.5rem;right:1.5rem;font-size:1.8rem;font-variant-numeric:tabular-nums;text-shadow:0 2px 12px rgba(0,0,0,.7);transition:opacity .4s ease}.hud.hidden{opacity:0}.hud.boosting{color:#22d3ee;text-shadow:0 0 16px rgba(34,211,238,.9)}.controller-body{position:relative;display:flex;min-height:100vh;align-items:center;justify-content:center;touch-action:none;-webkit-user-select:none;user-select:none;overflow:hidden;background:linear-gradient(180deg,#163f99,#2f68c9 45%,#6fa2e0)}.sky-clouds{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;overflow:hidden;pointer-events:none}.cloud-decor{position:absolute;opacity:.9}.cloud-decor--1{width:180px;height:80px;top:10%;left:-20%;background:radial-gradient(circle at 34px 46px,#fff 30px,transparent 31px),radial-gradient(circle at 70px 26px,#fff 34px,transparent 35px),radial-gradient(circle at 108px 40px,#fff 28px,transparent 29px),radial-gradient(circle at 140px 50px,#fff 22px,transparent 23px);animation:cloud-drift 90s linear infinite}.cloud-decor--2{width:130px;height:60px;top:55%;left:-15%;background:radial-gradient(circle at 26px 36px,#fff 22px,transparent 23px),radial-gradient(circle at 55px 20px,#fff 26px,transparent 27px),radial-gradient(circle at 88px 32px,#fff 20px,transparent 21px);animation:cloud-drift 130s linear infinite;animation-delay:-40s}.cloud-decor--3{width:150px;height:68px;top:30%;left:-18%;background:radial-gradient(circle at 30px 40px,#fff 26px,transparent 27px),radial-gradient(circle at 62px 22px,#fff 30px,transparent 31px),radial-gradient(circle at 96px 36px,#fff 24px,transparent 25px);animation:cloud-drift 110s linear infinite;animation-delay:-70s}.cloud-decor--4{width:110px;height:50px;top:78%;left:-12%;background:radial-gradient(circle at 22px 30px,#fff 18px,transparent 19px),radial-gradient(circle at 46px 16px,#fff 22px,transparent 23px),radial-gradient(circle at 74px 26px,#fff 16px,transparent 17px);animation:cloud-drift 100s linear infinite;animation-delay:-15s}@keyframes cloud-drift{0%{transform:translate(0)}to{transform:translate(140vw)}}.controller-app{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:1.25rem;padding:2rem 1.5rem;text-align:center;max-width:28rem;text-shadow:0 1px 6px rgba(0,0,0,.25)}.status-line{font-size:1rem;opacity:.75}.instructions p{margin:.4rem 0;opacity:.85}.primary-button{font-size:1.2rem;padding:.9rem 2.2rem;border-radius:999px;border:none;background:linear-gradient(135deg,#3b82f6,#06b6d4);color:#fff;font-weight:600;box-shadow:0 8px 24px #3b82f666}.primary-button:active{transform:scale(.97)}.secondary-button{font-size:1rem;padding:.7rem 1.8rem;border-radius:999px;border:1px solid rgba(255,255,255,.4);background:#ffffff1f;color:#fff;font-weight:600}.secondary-button:active{transform:scale(.97)}.gameover-status{display:flex;flex-direction:column;align-items:center;gap:.6rem}.gameover-status p{margin:.3rem 0}.mute-button{font-size:.95rem;padding:.5rem 1.1rem;border-radius:999px;border:1px solid rgba(255,255,255,.25);background:#ffffff14;color:inherit;font-weight:500}.mute-button:active{transform:scale(.97)}.level-indicator{display:flex;flex-direction:column;align-items:center;gap:.6rem}.level-ring-outer{position:relative;width:140px;height:140px;border-radius:50%;background:radial-gradient(circle at 50% 42%,#2c6fd6,#1a4fa8 70%,#123a80);border:3px solid rgba(255,255,255,.35);box-shadow:inset 0 4px 16px #0006}.level-ring-outer:before,.level-ring-outer:after{content:"";position:absolute;top:50%;left:50%;background:#ffffff40}.level-ring-outer:before{width:90%;height:1px;transform:translate(-50%,-50%)}.level-ring-outer:after{width:1px;height:90%;transform:translate(-50%,-50%)}.level-ring-target{position:absolute;top:50%;left:50%;width:38px;height:38px;margin:-19px 0 0 -19px;border-radius:50%;border:2px dashed rgba(255,255,255,.55)}.level-ball{position:absolute;top:50%;left:50%;width:22px;height:22px;margin:-11px 0 0 -11px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff8e6,#f5a623 65%,#d97e0a);box-shadow:0 2px 8px #00000080;transition:background .2s ease,box-shadow .2s ease;will-change:transform}.level-ball--flat{background:radial-gradient(circle at 35% 30%,#eafff0,#3ddc84 65%,#1fa85e);box-shadow:0 0 16px #3ddc84e6,0 2px 8px #00000080}.level-label{font-size:.95rem;opacity:.85;margin:0}.menu-link{color:inherit;opacity:.75;text-decoration:none;font-size:.9rem;border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:1px;pointer-events:auto}.menu-link:hover{opacity:1}.about-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:flex-start;justify-content:center;padding:calc(3.75rem + env(safe-area-inset-top)) clamp(.9rem,4vw,1.5rem) calc(2rem + env(safe-area-inset-bottom));overflow-y:auto;-webkit-overflow-scrolling:touch;background:radial-gradient(ellipse at center,#05070d33,#05070d99 80%)}.back-link{position:fixed;top:calc(1rem + env(safe-area-inset-top));left:calc(1rem + env(safe-area-inset-left));display:inline-flex;align-items:center;padding:.5rem .9rem;border-radius:999px;background:#05070d59;color:#f0f4ff;text-decoration:none;font-weight:600;font-family:"Baloo 2",Segoe UI,sans-serif;text-shadow:0 2px 12px rgba(0,0,0,.6);opacity:.9;z-index:2}.back-link:hover{opacity:1}.cloud-panel{width:100%;max-width:34rem;margin:0 0 2rem;filter:drop-shadow(0 18px 40px rgba(10,20,50,.45))}.cloud-cap{display:block;width:100%;height:clamp(36px,10vw,64px)}.cloud-cap path{fill:#fff}.cloud-cap--bottom{transform:scaleY(-1)}.cloud-content{background:#fff;margin:-1px 0;padding:.5rem clamp(1.25rem,6vw,2.5rem) 1.5rem;color:#1a2b4a;text-align:left}.about-title{font-family:"Baloo 2",Segoe UI,sans-serif;font-size:clamp(1.6rem,4vw,2.2rem);color:#123a80;text-align:center;margin:0 0 .25rem}.about-byline{font-family:"Baloo 2",Segoe UI,sans-serif;font-weight:600;text-align:center;color:#5a6b8c;margin:0 0 1.75rem}.about-heading{font-family:"Baloo 2",Segoe UI,sans-serif;font-size:1.15rem;color:#123a80;margin:1.5rem 0 .4rem}.about-heading:first-of-type{margin-top:0}.cloud-content p{margin:0 0 .6rem;line-height:1.55;color:#33425f}.cloud-content a{color:#1a5fd6;text-decoration:underline;text-decoration-color:#1a5fd659}.cloud-content a:hover{text-decoration-color:currentColor}.social-links{display:flex;gap:.7rem;margin:.2rem 0 .6rem}.social-link{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:#1a5fd61a;color:#123a80;transition:background .15s ease,transform .15s ease}.social-link svg{width:21px;height:21px;fill:currentColor}.social-link:hover{background:#1a5fd633;transform:translateY(-1px)}.hidden{display:none!important}