*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;overflow:hidden;touch-action:manipulation;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;background:#20242e;color:#e9e7e1;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}#app{width:100%;height:100%;position:relative;background:linear-gradient(165deg,#262b36,#20242e 60%,#191c24);padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}#popup-container{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;pointer-events:none}#popup-container:not(:empty){pointer-events:auto}.popup-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#0a0c10b8;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.popup-box{background:#2c313d;border:1px solid #3c4250;border-radius:18px;padding:28px 26px;min-width:280px;max-width:86vw;text-align:center;box-shadow:0 16px 40px #00000080}.popup-title{font-size:22px;font-weight:800;margin-bottom:10px;color:#f3f1ea}.popup-message{font-size:15px;color:#b3b1a8;margin-bottom:22px;line-height:1.6}.popup-buttons{display:flex;gap:10px;justify-content:center}.popup-btn{padding:12px 26px;border-radius:12px;border:none;font-size:15px;font-weight:800;cursor:pointer}.popup-btn.primary{background:#4caf72;color:#fff}.popup-btn.secondary{background:#3c4250;color:#d8d6cf}#demo-banner{position:fixed;top:calc(env(safe-area-inset-top) + 8px);left:50%;transform:translate(-50%);background:#ffc800e6;color:#000;padding:4px 16px;border-radius:20px;font-size:12px;font-weight:700;z-index:500;pointer-events:none}#ota-loading{position:fixed;top:0;right:0;bottom:0;left:0;background:#20242e;display:flex;align-items:center;justify-content:center;z-index:9999}.ota-spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,.2);border-top-color:#fff;border-radius:50%;animation:ota-spin .8s linear infinite}@keyframes ota-spin{to{transform:rotate(360deg)}}#game-ui{width:100%;height:100%;display:flex;flex-direction:column;min-height:0}#hud{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px}#lives{display:flex;gap:6px;align-items:center}.life-dot{width:14px;height:14px;border-radius:50%;background:#3c4250;transition:background .2s}.life-dot.full{background:#ff6b6b;box-shadow:0 0 8px #ff6b6b80}#stage-label{font-size:14px;font-weight:800;letter-spacing:.5px;color:#c8c6bd}#hint-btn{padding:9px 20px;border-radius:20px;border:1px solid #4a5160;background:#2c313d;color:#e0ddd4;font-size:14px;font-weight:800;cursor:pointer}#hint-btn:active{background:#353b48}#game-area{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:6px}#stage-wrap{position:relative;line-height:0;aspect-ratio:9 / 16;max-width:100%;max-height:100%;border-radius:14px;overflow:hidden;border:3px solid #2c313d;box-shadow:0 12px 30px #0000008c}#stage-image{display:block;width:100%;height:100%;object-fit:cover}#markers,#hint-ring,#miss-flash{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.marker{position:absolute;transform:translate(-50%,-50%);border:4px solid #34e06a;border-radius:50%;background:#34e06a26;box-shadow:0 0 14px #34e06a99;animation:marker-pop .3s ease-out}@keyframes marker-pop{0%{transform:translate(-50%,-50%) scale(1.8);opacity:0}60%{transform:translate(-50%,-50%) scale(.9);opacity:1}to{transform:translate(-50%,-50%) scale(1);opacity:1}}.hint-pulse{position:absolute;transform:translate(-50%,-50%);border:4px solid rgba(255,209,102,.95);border-radius:50%;animation:hint-pulse 1.1s ease-out infinite}@keyframes hint-pulse{0%{transform:translate(-50%,-50%) scale(.6);opacity:1}to{transform:translate(-50%,-50%) scale(1.7);opacity:0}}#miss-flash{border-radius:14px}#miss-flash.show{animation:miss-flash .45s ease-out}@keyframes miss-flash{0%{box-shadow:inset 0 0 #ff505000}30%{box-shadow:inset 0 0 45px 8px #ff50508c}to{box-shadow:inset 0 0 #ff505000}}.shake{animation:shake .4s ease-in-out}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-8px)}40%{transform:translate(7px)}60%{transform:translate(-5px)}80%{transform:translate(4px)}}#select-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:800;display:flex;align-items:center;justify-content:center;background:linear-gradient(165deg,#262b36,#20242e 60%,#191c24);padding:24px}#select-card{width:100%;max-width:360px;text-align:center}#select-title{font-size:32px;font-weight:900;letter-spacing:.5px;color:#f3f1ea}#select-tagline{font-size:15px;color:#9a988f;margin-top:8px;line-height:1.5}#select-sub{font-size:13px;font-weight:800;letter-spacing:1px;text-transform:uppercase;color:#6f7686;margin:28px 0 14px}#difficulty-buttons{display:flex;flex-direction:column;gap:12px}.diff-btn{display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:16px 20px;border:none;border-radius:16px;cursor:pointer;text-align:left;color:#fff;box-shadow:0 5px #00000040;transition:transform .08s,box-shadow .08s}.diff-btn:active{transform:translateY(4px);box-shadow:0 1px #00000040}.diff-name{font-size:19px;font-weight:800}.diff-hint{font-size:13px;font-weight:600;opacity:.85}.diff-easy{background:#4caf72}.diff-medium{background:#e0a23a}.diff-hard{background:#d65a4e}