```css
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}
html,body,#app{width:100%;height:100%;margin:0;overflow:hidden}
html{background:#07090d}
body{font-family:Inter,Arial,sans-serif;background:#07090d;color:#edf2f5;touch-action:none}
button{font:inherit;color:inherit;border:0;cursor:pointer}
.screen{position:absolute;inset:0;display:none;overflow:hidden}
.screen.active{display:flex}
#boot{align-items:center;justify-content:center;flex-direction:column;background:#07090d}
.boot-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:45px 45px;transform:perspective(500px) rotateX(60deg) scale(2);transform-origin:center bottom;opacity:.45}
.boot-logo{position:relative;text-align:center;animation:bootIn 1s ease both}
.logo-mark{display:flex;gap:5px;justify-content:center;align-items:flex-end;height:46px;margin-bottom:18px}
.logo-mark span{width:12px;background:#c9ff43;box-shadow:0 0 22px rgba(201,255,67,.35)}
.logo-mark span:nth-child(1){height:22px}.logo-mark span:nth-child(2){height:35px}.logo-mark span:nth-child(3){height:46px}
.logo-title{font-size:clamp(36px,8vw,72px);font-weight:900;letter-spacing:.12em}
.logo-sub{font-size:10px;letter-spacing:.35em;color:#75808c;margin-top:7px}
.loader{position:absolute;bottom:12%;width:min(420px,70vw);text-align:center;color:#77818c;font-size:10px;letter-spacing:.18em}
.loader-track{height:2px;background:#1d242c;margin-bottom:12px;overflow:hidden}
#loaderFill{height:100%;width:0;background:#c9ff43;box-shadow:0 0 15px #c9ff43;transition:width .15s}
#menu{align-items:center;justify-content:center;background:radial-gradient(circle at 50% 38%,#18201d 0,#0a0d12 42%,#05070a 100%)}
#menu:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(201,255,67,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(201,255,67,.035) 1px,transparent 1px);background-size:60px 60px;mask-image:linear-gradient(to bottom,black,transparent)}
.ambient{position:absolute;border-radius:50%;filter:blur(80px);opacity:.15}.a1{width:35vw;height:35vw;background:#b9ff39;left:-12vw;top:-10vw}.a2{width:30vw;height:30vw;background:#3b6fff;right:-10vw;bottom:-10vw}
.menu-shell{position:relative;width:min(720px,92vw);display:flex;flex-direction:column;align-items:center;text-align:center}
.brand-kicker,.modal-kicker{font-size:9px;letter-spacing:.28em;color:#74808b;margin-bottom:10px}
.brand h1{margin:0;font-size:clamp(48px,10vw,90px);line-height:.9;letter-spacing:.06em;font-weight:900;text-shadow:0 0 40px rgba(201,255,67,.12)}
.brand p{margin:14px 0 32px;color:#a0a9b2;font-size:11px;letter-spacing:.23em}
.menu-stats{display:grid;grid-template-columns:repeat(3,1fr);width:min(600px,100%);border:1px solid #252d35;background:rgba(12,16,21,.75);backdrop-filter:blur(18px);margin-bottom:22px}
.menu-stats div{padding:15px 8px;border-right:1px solid #252d35}.menu-stats div:last-child{border:0}
.menu-stats b{display:block;font-size:22px}.menu-stats span{font-size:8px;letter-spacing:.15em;color:#69747e}
.primary-btn,.secondary-btn,.reward-btn{width:min(480px,100%);min-height:54px;padding:0 22px;border-radius:10px;letter-spacing:.13em;font-size:11px;font-weight:800;transition:.2s;position:relative;overflow:hidden}
.primary-btn{background:#c9ff43;color:#080b0e;box-shadow:0 12px 40px rgba(201,255,67,.12)}
.primary-btn:hover{transform:translateY(-2px);box-shadow:0 18px 45px rgba(201,255,67,.22)}
.primary-btn i{font-style:normal;position:absolute;right:22px}
.secondary-btn{background:#10151b;border:1px solid #29313a;color:#b5bec6}
.secondary-btn:hover{background:#161d24;border-color:#46515d}
.menu-buttons{display:flex;gap:10px;width:min(480px,100%);margin-top:10px}.menu-buttons .secondary-btn{min-width:0}
.controls-hint{display:flex;gap:25px;margin-top:22px;color:#59636e;font-size:8px;letter-spacing:.16em}
#game{background:#080b0f}
#gameCanvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.hud{position:absolute;left:16px;right:16px;top:max(14px,env(safe-area-inset-top));display:grid;grid-template-columns:1fr 1fr 1fr;pointer-events:none}
.hud-card{padding:10px 13px;background:rgba(8,11,15,.72);border:1px solid rgba(255,255,255,.08);backdrop-filter:blur(12px);width:max-content;min-width:110px}
.hud-card.center{justify-self:center;text-align:center}.hud-card.right{justify-self:end;text-align:right}
.hud-card small{display:block;font-size:7px;letter-spacing:.2em;color:#68747e}.hud-card strong{font-size:20px;line-height:1.2}.hud-card em{font-size:7px;color:#68747e;font-style:normal;margin-left:3px}
.level-bar{position:absolute;top:88px;left:50%;transform:translateX(-50%);width:min(260px,35vw);display:flex;align-items:center;gap:9px;font-size:7px;letter-spacing:.15em;color:#7a858f}
.level-bar>div{height:3px;flex:1;background:#222a31;overflow:hidden}.level-bar i{display:block;width:0;height:100%;background:#c9ff43;box-shadow:0 0 10px #c9ff43}
.icon-btn{position:absolute;right:16px;bottom:max(16px,env(safe-area-inset-bottom));width:46px;height:46px;border-radius:50%;background:rgba(8,11,15,.75);border:1px solid #29313a;color:#c9ff43;font-weight:900}
.tap-hint{position:absolute;bottom:8%;left:50%;transform:translateX(-50%);text-align:center;opacity:.65;pointer-events:none;animation:hintPulse 2s ease-in-out infinite}
.tap-hint b{display:block;font-size:10px;letter-spacing:.18em}.tap-hint span{display:block;font-size:7px;letter-spacing:.18em;color:#7c8791;margin-top:5px}
.tap-ring{width:42px;height:42px;border:1px solid rgba(201,255,67,.7);border-radius:50%;margin:0 auto 8px;box-shadow:0 0 20px rgba(201,255,67,.15)}
.modal,.overlay-screen{position:absolute;inset:0;display:none;align-items:center;justify-content:center;background:rgba(2,4,6,.78);backdrop-filter:blur(18px);z-index:20}
.modal.open,.overlay-screen.active{display:flex}
.modal-card,.result-card{width:min(500px,92vw);max-height:92vh;overflow:auto;background:linear-gradient(145deg,rgba(19,25,31,.97),rgba(8,11,15,.98));border:1px solid #303a43;border-radius:18px;padding:32px;box-shadow:0 30px 100px rgba(0,0,0,.55);text-align:center}
.modal-card h2,.result-card h2{font-size:34px;margin:5px 0 24px;letter-spacing:.04em}.modal-card .secondary-btn,.modal-card .primary-btn{margin-top:10px}
.result-card{animation:resultIn .5s cubic-bezier(.2,.8,.2,1)}
.result-badge{display:inline-block;color:#c9ff43;font-size:8px;letter-spacing:.18em;border:1px solid rgba(201,255,67,.3);padding:7px 10px;border-radius:30px}
.result-main{margin:10px 0 18px}.result-main span,.result-main small{display:block;font-size:8px;letter-spacing:.2em;color:#75808a}.result-main strong{display:block;font-size:clamp(65px,15vw,100px);line-height:1;font-weight:900}
.result-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #252e36;border-bottom:1px solid #252e36;margin-bottom:16px}.result-grid div{padding:13px 5px;border-right:1px solid #252e36}.result-grid div:last-child{border:0}.result-grid span{display:block;font-size:7px;color:#6d7781;letter-spacing:.1em}.result-grid b{font-size:16px}
.new-record{display:none;color:#c9ff43;font-size:9px;font-weight:900;letter-spacing:.2em;margin:12px}.new-record.show{display:block;animation:recordFlash .8s infinite alternate}
.result-buttons{display:flex;flex-direction:column;gap:9px}.reward-btn{background:#202a16;color:#c9ff43;border:1px solid #536d2b}.reward-btn:disabled{opacity:.4}
.achievements-card{text-align:left}.achievements-card h2{text-align:center}.ach-item{display:flex;align-items:center;gap:14px;padding:13px;border:1px solid #252e36;background:#0d1217;margin:7px 0;border-radius:10px}.ach-icon{font-size:22px;width:36px;text-align:center}.ach-item b{display:block;font-size:11px}.ach-item span{display:block;font-size:8px;color:#6d7781;margin-top:4px}.ach-item.locked{opacity:.4}
#toast{position:absolute;left:50%;top:16%;transform:translate(-50%,-20px);padding:12px 18px;border:1px solid rgba(201,255,67,.3);background:rgba(8,12,15,.92);border-radius:30px;color:#c9ff43;font-size:10px;letter-spacing:.15em;opacity:0;pointer-events:none;z-index:50;transition:.35s}
#toast.show{opacity:1;transform:translate(-50%,0)}
@keyframes bootIn{from{opacity:0;transform:scale(.92);filter:blur(8px)}to{opacity:1;transform:none;filter:none}}
@keyframes resultIn{from{opacity:0;transform:translateY(30px) scale(.96)}to{opacity:1;transform:none}}
@keyframes hintPulse{0%,100%{opacity:.35;transform:translateX(-50%) scale(.97)}50%{opacity:.8;transform:translateX(-50%) scale(1)}}
@keyframes recordFlash{from{text-shadow:0 0 5px #c9ff43}to{text-shadow:0 0 25px #c9ff43}}
@media(max-width:600px){
    .menu-shell{width:88vw}.brand p{margin-bottom:22px}.menu-stats{margin-bottom:14px}.menu-stats b{font-size:18px}.controls-hint{font-size:7px;gap:12px}
    .hud{left:8px;right:8px}.hud-card{min-width:0;padding:8px}.hud-card strong{font-size:17px}.level-bar{top:78px;width:42vw}
    .modal-card,.result-card{padding:24px 18px;border-radius:14px}.modal-card h2,.result-card h2{font-size:27px}
}
@media(max-height:500px){
    .brand h1{font-size:45px}.brand p{margin:8px 0 12px}.menu-stats{margin-bottom:10px}.menu-stats div{padding:8px}.primary-btn,.secondary-btn{min-height:43px}.controls-hint{margin-top:9px}
    .tap-hint{bottom:4%}.hud-card{padding:5px 8px}.level-bar{top:65px}
}
@media(orientation:landscape) and (max-height:520px){
    .menu-shell{max-width:760px}.brand h1{font-size:44px}.brand p{margin:5px 0 10px}.menu-stats{width:500px}.menu-buttons{width:500px}.primary-btn{min-height:42px}
}
```