:root{--ink:#f7fbff;--muted:#9db1c8;--panel:#101d35;--line:#29405e;--lime:#b7ff52;--cyan:#42e8ef;--pink:#ff4f9d;--yellow:#ffc94c;--green:#45dfa0;--blue:#4f8cff;--shadow:#02081780}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Nunito,system-ui,sans-serif;background:#071122;color:var(--ink)}body{min-height:100vh;overflow-x:hidden;background:radial-gradient(circle at 82% 14%,#173d5e 0,#0a1930 27%,transparent 52%),radial-gradient(circle at 12% 87%,#291b58 0,transparent 38%),#071122}.stars{position:fixed;inset:0;pointer-events:none;opacity:.48;background-image:radial-gradient(circle,#fff 1px,transparent 1.5px),radial-gradient(circle,#55e9ef 1px,transparent 1.5px);background-position:0 0,31px 47px;background-size:72px 72px,113px 113px;mask-image:linear-gradient(#0008,transparent 75%)}button,a{-webkit-tap-highlight-color:transparent}.app-shell{position:relative;z-index:1;width:min(1240px,100%);min-height:100vh;margin:auto;padding:22px clamp(18px,4vw,54px) 32px}.topbar{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid #ffffff18}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.brand>span{display:grid;place-items:center;width:48px;height:48px;border-radius:15px;background:linear-gradient(145deg,var(--lime),#72e446);color:#102038;font-family:"Baloo 2";font-size:1.45rem;font-weight:900;box-shadow:0 0 25px #9dff4555}.brand div{display:flex;flex-direction:column}.brand b{font-family:"Baloo 2";letter-spacing:.11em;font-size:1.02rem}.brand small{color:#7f9cb8;font-size:.68rem;letter-spacing:.16em}.top-actions{display:flex;align-items:center;gap:12px}.level-chip{display:flex;align-items:center;gap:8px;padding:8px 13px;border:1px solid #ffffff18;border-radius:13px;background:#ffffff08}.level-chip small{color:#7f9cb8;font-weight:900;font-size:.62rem}.level-chip b{font-size:.78rem;letter-spacing:.08em}.sound-button{width:44px;height:44px;border:1px solid #ffffff1c;border-radius:13px;background:#ffffff0c;color:#fff;font-size:1.15rem;cursor:pointer}.screen{display:none}.screen.active{display:flex}.intro-screen{min-height:calc(100vh - 96px);align-items:center;gap:clamp(30px,7vw,100px)}.intro-copy{flex:1;max-width:590px}.eyebrow{margin:0 0 13px;color:var(--cyan);font-size:.76rem;font-weight:900;letter-spacing:.18em}.intro-copy h1,.result-screen h2{margin:0;font-family:"Baloo 2";font-size:clamp(3rem,6vw,5.6rem);font-weight:800;line-height:.88;letter-spacing:-.055em}.intro-copy h1 em,.result-screen h2 em{color:var(--lime);font-style:normal}.intro-copy>p:not(.eyebrow){max-width:560px;margin:25px 0 22px;color:#b9c7d8;font-size:clamp(1rem,1.5vw,1.2rem);line-height:1.65}.feature-row{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:28px}.feature-row span{padding:8px 12px;border:1px solid #ffffff1c;border-radius:999px;background:#ffffff08;color:#c9d5e3;font-size:.78rem;font-weight:800}.primary-button{display:inline-flex;align-items:center;gap:18px;padding:16px 22px;border:0;border-radius:16px;background:linear-gradient(135deg,var(--lime),#79eb4d);color:#12233b;font:900 1rem Nunito;box-shadow:0 12px 30px #8cff3840;cursor:pointer;transition:.18s}.primary-button:hover{transform:translateY(-3px);box-shadow:0 17px 36px #8cff3850}.primary-button b{font-size:1.3rem}.robot-stage{position:relative;flex:0 1 480px;height:540px;display:grid;place-items:center}.orbit{position:absolute;border:1px solid #50efff35;border-radius:50%}.orbit-one{width:450px;height:450px}.orbit-two{width:330px;height:330px;border-style:dashed;animation:spin 18s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.robot{position:relative;width:230px;height:310px;filter:drop-shadow(0 28px 30px #0007);animation:float 3s ease-in-out infinite}@keyframes float{50%{transform:translateY(-10px)}}.antenna{position:absolute;z-index:1;top:-35px;left:50%;width:7px;height:45px;border-radius:9px;background:#7a96ae;transform:translateX(-50%)}.antenna i{position:absolute;top:-9px;left:-8px;width:23px;height:23px;border-radius:50%;background:var(--pink);box-shadow:0 0 25px var(--pink)}.robot-head{position:absolute;z-index:3;top:15px;left:15px;width:200px;height:145px;border:8px solid #b7d1e2;border-radius:50px;background:linear-gradient(145deg,#e7f7ff,#809eb5);box-shadow:inset 0 -15px 20px #527086}.face{position:absolute;inset:25px 20px;border:5px solid #1e3650;border-radius:30px;background:#071a2f;display:flex;align-items:center;justify-content:center;gap:30px}.eye{width:23px;height:31px;border-radius:50%;background:var(--cyan);box-shadow:0 0 18px var(--cyan);animation:blink 4s infinite}@keyframes blink{0%,46%,52%,100%{transform:scaleY(1)}49%{transform:scaleY(.08)}}.mouth{position:absolute;bottom:14px;width:43px;height:10px;border-radius:0 0 20px 20px;background:var(--lime)}.mouth.happy{height:22px}.ear{position:absolute;top:42px;width:25px;height:55px;border-radius:12px;background:#6f8ea7}.ear.left{left:-27px}.ear.right{right:-27px}.robot-body{position:absolute;z-index:2;top:150px;left:38px;width:154px;height:135px;border:8px solid #9db7ca;border-radius:28px 28px 42px 42px;background:linear-gradient(145deg,#5f7d94,#29485f)}.core{position:absolute;top:22px;left:50%;display:grid;place-items:center;width:68px;height:68px;border:7px solid #253d53;border-radius:50%;background:radial-gradient(circle,var(--lime),#46b658);color:#143025;font:900 2rem "Baloo 2";transform:translateX(-50%);box-shadow:0 0 24px #a9ff5555}.meter{position:absolute;bottom:13px;left:28px;width:82px;height:7px;border-radius:8px;background:linear-gradient(90deg,var(--cyan) 65%,#1d354a 65%)}.robot-arm{position:absolute;z-index:1;top:170px;width:38px;height:105px;border:7px solid #91acbf;border-radius:22px;background:#3b5b73}.robot-arm.left{left:3px;transform:rotate(21deg)}.robot-arm.right{right:3px;transform:rotate(-21deg)}.floating-note{position:absolute;color:var(--cyan);font:800 2.5rem "Baloo 2";text-shadow:0 0 18px #43e8ef;animation:note 3s ease-in-out infinite}.note-a{left:20px;top:100px}.note-b{right:20px;top:140px;animation-delay:.8s;color:var(--pink)}.note-c{right:75px;bottom:75px;animation-delay:1.5s;color:var(--yellow)}@keyframes note{50%{transform:translateY(-15px) rotate(8deg)}}.stage-caption{position:absolute;bottom:5px;left:50%;display:flex;flex-direction:column;width:250px;padding:12px 17px;border:1px solid #ffffff1c;border-radius:15px;background:#0c1b30dd;transform:translateX(-50%);text-align:center}.stage-caption small{color:var(--cyan);font-size:.6rem;font-weight:900;letter-spacing:.16em}.stage-caption b{font-size:.84rem}.game-screen{min-height:calc(100vh - 95px);flex-direction:column;padding-top:25px}.game-header{display:flex;align-items:flex-end;justify-content:space-between;gap:20px}.game-header h2{margin:0 0 2px;font:800 clamp(1.9rem,3vw,2.8rem) "Baloo 2";letter-spacing:-.03em}.game-header>div>p:last-child{margin:0;color:var(--muted)}.scoreboard{display:flex;gap:9px}.scoreboard>div{min-width:105px;padding:10px 14px;border:1px solid #ffffff18;border-radius:15px;background:#ffffff08}.scoreboard small{display:block;color:#7f9cb8;font-size:.6rem;font-weight:900;letter-spacing:.12em}.scoreboard b{font:800 1.45rem "Baloo 2"}.progress-track{height:8px;margin:18px 0 22px;border-radius:99px;background:#ffffff10;overflow:hidden}.progress-track span{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--cyan),var(--lime));box-shadow:0 0 18px #62edcf;transition:width .35s ease}.play-zone{flex:1;display:grid;grid-template-columns:minmax(260px,.75fr) minmax(470px,1.4fr);gap:24px}.robot-console,.pad-console{position:relative;border:1px solid #ffffff17;border-radius:28px;background:linear-gradient(145deg,#10223acc,#09182dcc);box-shadow:0 25px 70px #0005}.robot-console{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:25px}.mini-robot{position:relative;width:180px;height:245px;filter:drop-shadow(0 18px 20px #0006)}.mini-robot .robot-head{left:12px;width:156px;height:115px;border-width:6px;border-radius:40px}.mini-robot .face{inset:20px 15px;gap:23px}.mini-robot .eye{width:18px;height:25px}.mini-robot .mouth{bottom:9px;width:34px;height:7px}.mini-robot .robot-body{top:124px;left:31px;width:118px;height:105px;border-width:6px}.mini-robot .core{top:15px;width:58px;height:58px;border-width:5px}.mini-robot .antenna{top:-25px;height:39px}.mini-robot.listening .antenna i,.mini-robot.success .antenna i{background:var(--lime);box-shadow:0 0 28px var(--lime)}.mini-robot.error{animation:shake .3s}@keyframes shake{25%{transform:translateX(-8px)}75%{transform:translateX(8px)}}.speech{min-height:52px;margin-top:3px;padding:12px 17px;border-radius:14px;background:#ffffff0a;color:#d9e3ee;font-weight:800;text-align:center}.replay-button{margin-top:13px;padding:9px 13px;border:1px solid #ffffff1c;border-radius:11px;background:#ffffff08;color:#c9d5e2;font-weight:800;cursor:pointer}.replay-button:disabled{opacity:.38;cursor:not-allowed}.pad-console{display:flex;flex-direction:column;justify-content:center;padding:clamp(25px,5vw,60px)}.beat-indicators{display:flex;justify-content:center;gap:9px;height:18px;margin-bottom:22px}.beat-indicators i{width:12px;height:12px;border:2px solid #5d7690;border-radius:50%;transition:.18s}.beat-indicators i.done{border-color:var(--lime);background:var(--lime);box-shadow:0 0 12px var(--lime)}.pads{display:grid;grid-template-columns:repeat(2,minmax(130px,1fr));gap:16px}.pad{position:relative;display:grid;place-items:center;min-height:135px;border:2px solid #ffffffb8;border-radius:25px;color:#fff;cursor:pointer;box-shadow:inset 0 -12px 0 #0002,0 12px 25px #0004;transition:transform .1s,filter .1s}.pad span{font-size:2.3rem;text-shadow:0 3px 9px #0005}.pad kbd{position:absolute;right:12px;bottom:12px;display:grid;place-items:center;width:27px;height:27px;border:1px solid #ffffff66;border-radius:8px;background:#0002;font:900 .73rem Nunito}.pad:hover{filter:brightness(1.08);transform:translateY(-2px)}.pad.active{filter:brightness(1.35);transform:translateY(5px) scale(.98);box-shadow:inset 0 0 30px #fff9,0 0 35px currentColor}.pad:disabled{cursor:not-allowed}.pad-pink{background:linear-gradient(145deg,#ff75ba,var(--pink))}.pad-yellow{background:linear-gradient(145deg,#ffd970,#eea824)}.pad-green{background:linear-gradient(145deg,#5aebb1,#20b980)}.pad-blue{background:linear-gradient(145deg,#6ca8ff,#376fe4)}.keyboard-note{margin:19px 0 0;color:#8199b1;font-size:.73rem;text-align:center}.keyboard-note b{color:#bdd0e2}.result-screen{min-height:calc(100vh - 95px);flex-direction:column;align-items:center;justify-content:center;text-align:center}.result-robot{width:135px;height:175px;margin-bottom:5px;animation:none}.result-robot .robot-head{left:9px;width:118px;height:85px;border-width:5px;border-radius:28px}.result-robot .face{inset:13px 10px;gap:20px}.result-robot .eye{width:14px;height:19px}.result-robot .mouth{bottom:7px;width:26px}.result-robot .robot-body{top:88px;left:27px;width:82px;height:74px;border-width:5px}.result-robot .core{top:8px;width:49px;height:49px;border-width:4px;font-size:1.35rem}.result-robot .antenna{top:-20px;height:30px}.result-screen h2{font-size:clamp(2.8rem,5vw,4.8rem)}.result-screen>p:not(.eyebrow){color:var(--muted);font-size:1rem}.result-stats{display:flex;gap:10px;margin:18px 0 22px}.result-stats div{min-width:115px;padding:12px;border:1px solid #ffffff18;border-radius:16px;background:#ffffff09}.result-stats strong{display:block;color:var(--lime);font:800 1.8rem "Baloo 2"}.result-stats small{color:#829ab1;font-size:.62rem;font-weight:900;letter-spacing:.11em}@media(max-width:760px){.app-shell{padding:13px 12px 20px}.brand>span{width:39px;height:39px}.brand b{font-size:.83rem}.level-chip{display:none}.intro-screen{flex-direction:column;justify-content:center;gap:10px;padding-top:35px}.intro-copy{text-align:center}.intro-copy h1{font-size:clamp(2.65rem,14vw,4rem)}.intro-copy>p:not(.eyebrow){margin:16px auto}.feature-row{justify-content:center}.robot-stage{width:100%;height:390px;transform:scale(.76);margin:-30px 0}.game-header{align-items:flex-start}.game-header h2{font-size:1.65rem}.scoreboard>div{min-width:75px;padding:8px}.scoreboard b{font-size:1.1rem}.play-zone{grid-template-columns:1fr;gap:12px}.robot-console{min-height:210px;display:grid;grid-template-columns:130px 1fr;grid-template-rows:auto auto;padding:12px}.mini-robot{grid-row:1/3;transform:scale(.62);transform-origin:center}.speech{margin:0}.replay-button{align-self:start}.pad-console{padding:18px}.pad{min-height:92px;border-radius:18px}.pad span{font-size:1.7rem}.result-stats{width:100%}.result-stats div{min-width:0;flex:1}}@media(max-width:430px){.top-actions{gap:5px}.sound-button{width:39px;height:39px}.intro-screen{padding-top:20px}.robot-stage{height:340px}.game-header{gap:8px}.scoreboard{gap:5px}.scoreboard>div{min-width:65px;padding:7px}.play-zone{gap:8px}.robot-console{min-height:170px;grid-template-columns:100px 1fr}.mini-robot{transform:scale(.5)}.pads{gap:10px}.pad{min-height:78px}.keyboard-note{display:none}}