:root{--bg:#070b1a;--text:#eef7ff;--muted:#9fb1ca;--line:rgba(255,255,255,.13);--cyan:#00d9ff;--orange:#ff6b35;--green:#00ff88;--pink:#d946ef;--shadow:0 24px 90px rgba(0,0,0,.45);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
*{box-sizing:border-box}html,body,#app{min-height:100%}
body{margin:0;color:var(--text);background:radial-gradient(circle at 15% 8%,rgba(0,217,255,.22),transparent 30rem),radial-gradient(circle at 82% 16%,rgba(255,107,53,.18),transparent 28rem),radial-gradient(circle at 50% 120%,rgba(217,70,239,.16),transparent 34rem),linear-gradient(135deg,#070b1a,#0b1328 52%,#11172e);overflow-x:hidden}
button,input,select{font:inherit}button{cursor:pointer;color:inherit}
.topbar{position:sticky;top:0;z-index:20;display:grid;grid-template-columns:auto auto 1fr auto;gap:.7rem;align-items:center;padding:.7rem clamp(.7rem,3vw,1.7rem);background:rgba(5,10,24,.82);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}
.brand{display:flex;gap:.5rem;align-items:center;border:0;background:transparent;font-weight:950}.brand .logo{filter:drop-shadow(0 0 14px var(--cyan))}.brand small{color:var(--cyan);font-size:.72rem}
.hud-mini{border:1px solid var(--line);background:rgba(255,255,255,.05);border-radius:1rem;padding:.4rem .7rem;text-align:center;position:relative;overflow:hidden}
.hud-mini b,.hud-mini span{display:block}.hud-mini span{font-size:.68rem;color:var(--muted)}
.rankchip i{position:absolute;left:0;bottom:0;height:3px;background:linear-gradient(90deg,var(--cyan),var(--green));transition:width .4s}
nav{display:flex;gap:.4rem;justify-content:flex-end;overflow:auto}
nav button{border:1px solid var(--line);background:rgba(255,255,255,.06);border-radius:999px;padding:.5rem .8rem;white-space:nowrap}
nav button:hover{background:rgba(0,217,255,.16)}.soundbtn{min-width:2.6rem}
.ach-toast{position:fixed;left:50%;top:70px;transform:translas(-50%,-20px);translate:-50% -20px;z-index:60;background:linear-gradient(135deg,#00d9ff,#00ff88);color:#04121a;font-weight:950;padding:.7rem 1.1rem;border-radius:999px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.35s}
.ach-toast.show{opacity:1;translate:-50% 0}
.home,.rush-page,.result{width:min(1180px,calc(100% - 1rem));margin:1rem auto 3rem}
.neon-card,.world-card,.mode-grid button,.teacher-grid div,.learn-card{border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.085),rgba(255,255,255,.035));border-radius:1.5rem;box-shadow:var(--shadow)}
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:1rem;overflow:hidden}
.hero-copy{padding:clamp(1.2rem,3vw,2.1rem)}
h1{font-size:clamp(2.1rem,5vw,4.6rem);line-height:.92;letter-spacing:-.07em;margin:.7rem 0}h3{margin:.5rem 0 .3rem}p{color:var(--muted);line-height:1.6}
.pill{display:inline-flex;border:1px solid rgba(0,217,255,.28);background:rgba(0,217,255,.1);color:#a7f4ff;border-radius:999px;padding:.35rem .7rem;font-size:.76rem;font-weight:900}
.cta-row{display:flex;gap:.6rem;flex-wrap:wrap;margin:1rem 0 .4rem}
.btn{border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.07);padding:.8rem 1.05rem;font-weight:950;display:inline-flex;align-items:center;justify-content:center;gap:.4rem}
.btn.big{padding:1rem 1.25rem;font-size:1.02rem}
.btn.primary{background:linear-gradient(135deg,var(--orange),#ffb020);color:#190802;border:0;box-shadow:0 16px 45px rgba(255,107,53,.3)}
.btn.danger{background:linear-gradient(135deg,#ef4444,#fb7185);border:0;color:#fff}
.btn.safe{background:linear-gradient(135deg,#00ff88,#22c55e);border:0;color:#042012}
.btn.ghost{background:rgba(255,255,255,.06)}.btn:hover{transform:translateY(-1px)}
.quick-stats{display:flex;gap:1rem;flex-wrap:wrap;color:var(--muted);font-weight:800;margin-top:.6rem}
.quick-stats span{font-size:.85rem}
.city-preview{position:relative;min-height:440px;background:linear-gradient(#14204d 0 42%,#0d1424 43%);overflow:hidden;border-radius:1.5rem 0 0 1.5rem}
.skyline{position:absolute;left:0;right:0;top:0;height:44%;background:linear-gradient(90deg,rgba(0,217,255,.13) 3px,transparent 3px) 0 100%/48px 60%,linear-gradient(90deg,rgba(0,217,255,.08) 3px,transparent 3px) 0 100%/26px 40%}
.road{position:absolute;left:-10%;right:-10%;bottom:-20%;height:66%;background:linear-gradient(90deg,rgba(255,255,255,.16) 3px,transparent 3px) 0 0/130px 100%,linear-gradient(#1f2937,#0b1020);transform:perspective(650px) rotateX(58deg);transform-origin:top}
.runner{position:absolute;left:20%;bottom:22%;width:60px;height:104px;filter:drop-shadow(0 20px 18px rgba(0,0,0,.45));animation:bob 1.1s infinite}
.runner:before{content:"";position:absolute;left:15px;top:0;width:30px;height:30px;background:#ffd19a;border-radius:9px}
.runner:after{content:"";position:absolute;left:6px;top:34px;width:48px;height:52px;background:linear-gradient(135deg,#00d9ff,#7c5cff);border-radius:10px}
.bot{position:absolute;width:66px;height:66px;border-radius:16px;background:#ef4444;display:grid;place-items:center;box-shadow:0 18px 40px rgba(0,0,0,.4);animation:floaty 1.5s infinite}.bot:before{content:"🥷";font-size:1.9rem}
.b1{right:20%;bottom:30%}.b2{right:40%;bottom:52%;animation-delay:.4s}
.laser{position:absolute;left:31%;right:22%;bottom:40%;height:8px;background:linear-gradient(90deg,var(--cyan),transparent);box-shadow:0 0 20px var(--cyan);transform:rotate(-9deg);animation:laser 1.1s infinite}
.spark{position:absolute;width:12px;height:12px;border-radius:2px;background:#fff;box-shadow:0 0 14px #fff;opacity:0}.s1{right:22%;bottom:32%;animation:spark 1.1s infinite}.s2{right:24%;bottom:34%;animation:spark 1.1s .2s infinite}
@keyframes bob{50%{transform:translateY(-10px)}}@keyframes floaty{50%{transform:translateY(-14px) rotate(4deg)}}@keyframes laser{0%,100%{opacity:.3}50%{opacity:1}}@keyframes spark{0%{opacity:0;transform:scale(.5)}40%{opacity:1;transform:scale(1.4)}100%{opacity:0;transform:scale(.5)}}
.mission{display:flex;gap:1rem;align-items:center;flex-wrap:wrap;padding:1rem 1.2rem;margin-top:1rem}.mission b{font-size:1.05rem}.mission span{color:var(--text)}.mission i{color:var(--green);font-weight:900;margin-left:auto}
.mode-grid,.teacher-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:1rem}
.teacher-grid{grid-template-columns:repeat(4,1fr)}
.mode-grid button,.teacher-grid div{padding:1rem;text-align:left}.mode-grid b,.mode-grid span,.teacher-grid b,.teacher-grid span{display:block}.mode-grid span,.teacher-grid span{color:var(--muted);font-size:.85rem}.teacher-grid b{font-size:1.5rem}
.world-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1rem}
.world-card{padding:1.1rem;text-align:left;background:linear-gradient(180deg,color-mix(in srgb,var(--accent,#00d9ff) 16%,transparent),rgba(255,255,255,.035))}
.world-card:hover,.world-card.active{border-color:color-mix(in srgb,var(--accent,#00d9ff) 60%,white);transform:translateY(-3px)}
.world-card.locked{opacity:.55}.wc-ico{font-size:2.1rem}.wc-boss{margin-top:.5rem;font-size:.8rem;color:var(--muted);font-weight:800}
.rush-page{--accent:#00d9ff}
.rush-hud{display:grid;grid-template-columns:repeat(5,1fr);gap:.6rem;margin-bottom:.7rem}
.rush-hud div{border:1px solid var(--line);background:rgba(255,255,255,.06);border-radius:1rem;padding:.65rem;text-align:center}
.rush-hud b,.rush-hud span{display:block}.rush-hud span{font-size:.7rem;color:var(--muted)}
.rush-stage{position:relative;height:min(66vh,640px);min-height:440px;border:1px solid rgba(255,255,255,.18);border-radius:1.5rem;overflow:hidden;background:#07101f;box-shadow:var(--shadow)}
#game{width:100%;height:100%;display:block;touch-action:none}
.phone-pop{position:absolute;right:1rem;top:1rem;width:min(380px,calc(100% - 2rem));border:1px solid rgba(255,255,255,.22);border-radius:1.2rem;background:#09131f;box-shadow:0 18px 70px rgba(0,0,0,.55);padding:1rem;transition:.15s}
.phone-pop.hidden{opacity:0;transform:translateY(-8px);pointer-events:none}
.phone-pop.boss{border-color:#ff3b3b;box-shadow:0 0 50px rgba(255,59,59,.4)}
.phone-pop b{display:block;color:#fff}.phone-pop p{margin:.55rem 0;color:#e9fff7;font-weight:900}.phone-pop small{color:var(--muted)}
.toast{position:absolute;left:1rem;bottom:1rem;right:1rem;padding:.7rem 1rem;background:rgba(0,0,0,.6);border:1px solid var(--line);border-radius:1rem;color:#c7f8ff;font-weight:900}
.controls{display:grid;grid-template-columns:1fr 1.4fr 1.4fr 1fr;gap:.6rem;margin-top:.8rem}
.controls button{border:1px solid var(--line);border-radius:1rem;background:rgba(255,255,255,.08);padding:1.05rem;font-weight:950;font-size:1.05rem;user-select:none}
.controls .lanebtn{font-size:1.4rem}
.controls .attack{background:linear-gradient(135deg,#ef4444,#fb7185);border:0;color:#fff;box-shadow:0 0 26px rgba(239,68,68,.5);animation:apulse 1.1s infinite}
.controls .attack:active{transform:scale(.95) rotate(-1deg);filter:brightness(1.3)}
.controls .safe{background:linear-gradient(135deg,#00ff88,#22c55e);border:0;color:#052315}
@keyframes apulse{50%{box-shadow:0 0 40px rgba(239,68,68,.8)}}
.hintline{text-align:center;color:var(--muted);font-size:.82rem;margin:.6rem 0 0}
.result{display:grid;place-items:center;min-height:72vh}
.end,.mini{text-align:center;max-width:860px;padding:2rem}.end-ico{font-size:5rem;filter:drop-shadow(0 0 26px rgba(0,217,255,.5))}
.end-stats{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin:1rem 0;color:var(--muted);font-weight:800}
.learn-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:1rem}.learn-card{padding:1rem}.learn-card span{font-size:2.1rem}
.forge-bar{height:14px;border-radius:999px;background:rgba(255,255,255,.1);overflow:hidden;margin:1rem 0}.forge-bar i{display:block;height:100%;background:linear-gradient(90deg,#ef4444,#f59e0b,#22c55e);transition:width .3s}
.muted{color:var(--muted)}.lb{list-style:none;padding:0;margin:.5rem 0 0}.lb li{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:.7rem 0}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@media(max-width:980px){.topbar{grid-template-columns:1fr auto auto}.topbar nav{grid-column:1/-1;justify-content:flex-start}.hero{grid-template-columns:1fr}.city-preview{border-radius:1.5rem 1.5rem 0 0;min-height:300px}.world-grid,.learn-grid,.mode-grid{grid-template-columns:repeat(2,1fr)}.teacher-grid{grid-template-columns:repeat(2,1fr)}.rush-hud{grid-template-columns:repeat(5,1fr);font-size:.9rem}}
@media(max-width:560px){.home,.rush-page,.result{width:min(100% - .7rem,1180px)}h1{font-size:2.4rem}.world-grid,.learn-grid,.mode-grid,.teacher-grid{grid-template-columns:1fr}.rush-hud{grid-template-columns:repeat(3,1fr)}.rush-stage{height:58vh}.phone-pop{left:.5rem;right:.5rem;top:.5rem;width:auto}.controls{grid-template-columns:1fr 1fr}.controls .attack,.controls .safe{grid-column:span 1}.btn{width:100%}.cta-row .btn{width:100%}}