@font-face{font-family:Space;src:url('./assets/space-grotesk-400.woff') format('woff');font-weight:400;font-display:swap}@font-face{font-family:Space;src:url('./assets/space-grotesk-700.woff') format('woff');font-weight:700;font-display:swap}@font-face{font-family:Barlow;src:url('./assets/barlow-condensed-900.woff') format('woff');font-weight:900;font-display:swap}
:root{--ink:#25213d;--purple:#6544e8;--lime:#ddfa71;--bg:#f2e9ff;--line:#25213d26;--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px);font-family:Space,Arial,sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}*{box-sizing:border-box}body{margin:0;overflow:hidden}button,a,input{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:wait;opacity:.65}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--purple);outline-offset:5px}button{touch-action:manipulation}button svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}[hidden]{display:none!important}#app{position:relative;width:100%;height:100svh;min-height:0;overflow:hidden;isolation:isolate}#world{position:absolute;inset:0;touch-action:manipulation}#world canvas{display:block;width:100%;height:100%}.noise{position:absolute;inset:0;pointer-events:none;opacity:.13;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.78' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' opacity='.24' filter='url(%23n)'/%3E%3C/svg%3E");z-index:1}.topbar{position:absolute;top:calc(30px + var(--safe-top));left:40px;right:40px;display:flex;align-items:center;justify-content:space-between;z-index:10}.wordmark{display:flex;gap:10px;align-items:center;text-decoration:none;color:var(--ink);font-weight:700;font-size:16px;line-height:.96;letter-spacing:-.6px}.wordmark svg{height:37px;width:37px;fill:var(--purple);stroke:var(--bg);stroke-width:1.8}.wordmark-dot{font-size:10px;vertical-align:super;margin-left:2px}.toolbar{display:flex;gap:10px}.icon-button{width:44px;height:44px;border:1px solid #25213d32;border-radius:50%;display:grid;place-items:center;background:#f9f4ff7a;font-size:21px;font-weight:700;transition:background .15s,transform .15s}.icon-button:hover{background:#fff;transform:translateY(-2px)}.sound-off{display:none}#sound-button[aria-pressed=true] .sound-waves{display:none}#sound-button[aria-pressed=true] .sound-off{display:block}.home-copy{position:absolute;left:7%;top:22%;pointer-events:none;z-index:2}.eyebrow,.micro-label{font-size:12px;font-weight:700;letter-spacing:1.9px;display:block}.eyebrow{display:flex;align-items:center;gap:9px}.tiny-block{width:10px;height:10px;background:var(--purple);transform:rotate(-13deg)}h1,h2,p{margin:0}h1{font-family:Barlow,Impact,sans-serif;font-weight:900;font-size:clamp(82px,9.5vw,155px);line-height:.82;letter-spacing:-.025em;margin:26px 0}h1 span{color:var(--purple);display:block;transform:rotate(-5deg);transform-origin:left center}h1 br:last-of-type{display:none}.home-copy p{font-size:16px;line-height:1.6;margin-top:30px;color:#635c78}.best-badge{position:absolute;right:5.4%;top:24%;display:flex;gap:13px;align-items:center;z-index:2}.badge-icon{font-size:40px;color:var(--purple)}.best-badge .micro-label{font-size:11px;letter-spacing:1.2px;color:#736983}.best-badge strong{display:block;font-size:27px;letter-spacing:-1px;margin-top:4px}.best-unit{font-size:14px;font-weight:400;letter-spacing:0}.home-actions{position:absolute;width:300px;bottom:11%;left:7%;z-index:3}.primary-button{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;padding:20px 24px;background:var(--purple);border:2px solid var(--purple);border-radius:14px;color:white;font-weight:700;font-size:18px;box-shadow:0 6px 0 #43289f;transition:transform .13s,box-shadow .13s,background .13s}.primary-button:hover{transform:translateY(-2px);box-shadow:0 8px 0 #43289f;background:#7554f5}.primary-button:active{transform:translateY(4px);box-shadow:0 2px 0 #43289f}.primary-button>span:last-child{font-size:26px;line-height:1}.input-hint{margin-top:21px;text-align:center;font-size:12px;color:#736983}kbd{font:inherit;font-size:11px;padding:3px 6px;border:1px solid #25213d36;border-radius:4px;margin-left:3px;letter-spacing:.6px}.mobile-hint{display:none}.scene-caption{position:absolute;right:15%;bottom:18%;font-size:15px;transform:rotate(-8deg);pointer-events:none;z-index:2;color:#75658f}.scene-caption>span{display:block;font-size:38px;transform:rotate(-25deg);margin:0 0 10px -10px}.bottomline{position:absolute;bottom:calc(24px + var(--safe-bottom));left:40px;right:40px;display:flex;justify-content:space-between;gap:20px;font-size:10px;letter-spacing:1.4px;font-weight:700;color:#786e8c;pointer-events:none;z-index:2}.footer-right{display:flex;align-items:center;gap:12px}.footer-right>span{font-size:25px;color:var(--purple)}.hud{position:absolute;top:15%;left:50%;transform:translateX(-50%);text-align:center;pointer-events:none;z-index:3}.hud .micro-label{font-size:11px;letter-spacing:2px}.score{font-family:Barlow,Impact,sans-serif;font-weight:900;font-size:100px;line-height:1;letter-spacing:-3px;margin:4px 0}.hud-best{font-size:11px;letter-spacing:1.5px;color:#786e8c}.feedback{position:absolute;left:50%;top:37%;transform:translate(-50%,10px) rotate(-5deg);font-family:Barlow,Impact,sans-serif;font-weight:900;font-size:45px;line-height:1;text-align:center;color:var(--purple);opacity:0;z-index:4;pointer-events:none;white-space:nowrap}.feedback.show{animation:feedback .85s ease-out forwards}.feedback small{display:block;font-family:Space,sans-serif;font-size:12px;margin-top:9px;letter-spacing:1px}.combo-meter{position:absolute;left:40px;top:45%;z-index:2;pointer-events:none;text-align:center}#combo-label{font-size:10px;font-weight:700;letter-spacing:1px}.combo-dots{display:flex;justify-content:center;gap:7px;margin-top:10px}.combo-dots i{height:10px;width:30px;background:#25213d16;border-radius:6px}.combo-dots i.active{background:var(--purple)}.combo-note{display:block;font-size:10px;margin-top:10px;color:#81728e}.drop-button{position:absolute;bottom:calc(9% + var(--safe-bottom));left:50%;transform:translateX(-50%);z-index:5;display:flex;align-items:center;gap:18px;padding:17px 27px;border:1px solid #25213d33;border-radius:50px;background:#ffffff73;font-weight:700;font-size:13px;letter-spacing:1.2px;white-space:nowrap}.drop-button .desktop-hint{font-weight:400;color:#92849e;font-size:11px}.drop-button:hover{background:#ffffffb8}.result-panel{position:absolute;top:50%;left:9%;transform:translateY(-47%);width:330px;z-index:7}.result-eyebrow{font-size:10px;letter-spacing:1.35px;font-weight:700;color:#75658f}.result-panel h2{font-family:Barlow,Impact,sans-serif;font-weight:900;font-size:108px;line-height:1;letter-spacing:-1px;color:var(--purple);margin-top:12px}.result-number{display:flex;gap:17px;align-items:center;margin:8px 0 9px}.result-number strong{font-family:Barlow,Impact,sans-serif;font-weight:900;font-size:90px;line-height:1}.result-number>span{font-size:12px;letter-spacing:1px;line-height:1.6;font-weight:700}.result-panel p{font-size:14px;line-height:1.5;min-height:42px;color:#786e8c;margin:12px 0 22px}.result-stats{display:flex;gap:40px;border-top:1px solid var(--line);padding-top:17px;margin-bottom:26px}.result-stats div{display:flex;flex-direction:column;gap:7px}.result-stats span{font-size:10px;letter-spacing:1px;color:#7e718e;font-weight:700}.result-stats strong{font-size:24px}.secondary-button{background:transparent;border:1px solid #25213d45;border-radius:12px;display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:14px 17px;font-size:14px;font-weight:700;margin-top:16px}.secondary-button:hover{background:#ffffff79}.secondary-button svg{width:18px;height:18px}.result-key-hint{display:block;text-align:center;font-size:11px;color:#82708f;margin-top:19px}.challenge{position:absolute;top:100px;left:50%;transform:translateX(-50%);background:var(--lime);padding:10px 18px;border-radius:30px;font-size:13px;font-weight:700;z-index:4;white-space:nowrap}.toast{position:absolute;bottom:calc(40px + var(--safe-bottom));left:50%;max-width:calc(100vw - 36px);transform:translate(-50%,20px);background:var(--ink);color:#fff;font-size:14px;padding:14px 21px;border-radius:12px;opacity:0;pointer-events:none;z-index:30;transition:opacity .2s,transform .2s;text-align:center}.toast.visible{opacity:1;transform:translate(-50%,0)}dialog{border:1px solid #b5a4d8;border-radius:25px;box-shadow:0 25px 100px #24144030;padding:40px;max-width:460px;width:calc(100% - 32px);max-height:calc(100svh - 40px);overflow:auto;background:var(--bg);color:var(--ink)}dialog::backdrop{background:#2c184759;backdrop-filter:blur(8px)}dialog .eyebrow{font-size:10px;letter-spacing:1.3px;color:#7b638d}dialog h2{font-family:Barlow,Impact,sans-serif;font-size:65px;font-weight:900;line-height:.94;margin:22px 0;color:var(--purple)}.dialog-close{position:absolute;right:18px;top:18px;width:36px;height:36px}.dialog-done{font-size:16px;padding:15px 18px}dialog ol{padding:0;list-style:none;counter-reset:steps;margin:30px 0}dialog li{position:relative;padding-left:36px;counter-increment:steps;margin-bottom:20px}dialog li:before{content:'0' counter(steps);position:absolute;left:0;top:2px;color:var(--purple);font-size:12px;font-weight:700}dialog li strong{display:block;font-size:16px;margin-bottom:5px}dialog li span{font-size:14px;line-height:1.5;color:#766584;display:block}.motion-toggle{display:flex;align-items:center;gap:8px;font-size:14px}.motion-toggle input{accent-color:var(--purple);width:18px;height:18px}.dialog-note{font-size:12px;line-height:1.6;color:#82748c;margin:18px 0 24px}#pause-dialog p{font-size:15px;line-height:1.5;margin-bottom:30px}.error-panel{position:fixed;inset:0;z-index:100;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px}.error-panel h2{font-family:Barlow,Impact,sans-serif;font-size:65px;line-height:.95;color:var(--purple)}.error-panel p{max-width:400px;margin:24px 0;font-size:16px;line-height:1.6}.error-panel button{max-width:300px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}body[data-phase=playing] #world,body[data-phase=landing] #world{cursor:pointer}body[data-phase=playing] .bottomline,body[data-phase=landing] .bottomline,body[data-phase=ending] .bottomline{opacity:.5}body[data-phase=result] .footer-right{display:none}body[data-motion=off] *,body[data-motion=off] *:before,body[data-motion=off] *:after{animation-duration:.001ms!important;transition-duration:.001ms!important}body[data-motion=off] .feedback.show{opacity:1}@keyframes feedback{0%{opacity:0;transform:translate(-50%,12px) rotate(-5deg) scale(.85)}15%,70%{opacity:1;transform:translate(-50%,0) rotate(-5deg) scale(1)}100%{opacity:0;transform:translate(-50%,-15px) rotate(-5deg)}}
@media(min-width:1600px){.home-copy{left:10%;top:25%}.home-actions{left:10%;bottom:16%}.topbar{left:60px;right:60px}.bottomline{left:60px;right:60px}.result-panel{left:13%}}
@media(max-width:1000px){.home-copy{left:6%;top:24%}h1{font-size:100px}.home-actions{left:6%;width:250px}.best-badge{right:5%;top:22%}.best-badge .micro-label{font-size:9px}.badge-icon{font-size:32px}.best-badge strong{font-size:23px}.scene-caption{right:12%;bottom:18%}.result-panel{left:6%;width:300px}.combo-meter{left:25px}.combo-note{max-width:90px;line-height:1.5}.combo-dots i{width:22px}}
@media(max-width:680px){#app{min-height:0}.topbar{left:22px;right:22px;top:calc(20px + var(--safe-top))}.wordmark{font-size:13px;gap:7px}.wordmark svg{width:30px;height:30px}.toolbar{gap:8px}.icon-button{width:40px;height:40px;font-size:18px}.home-copy{left:0;right:0;top:calc(106px + var(--safe-top));text-align:center}.home-copy .eyebrow{justify-content:center;font-size:9px;letter-spacing:1.5px}.tiny-block{height:8px;width:8px}h1{font-size:clamp(74px,19vw,112px);line-height:.95;margin:12px 0;letter-spacing:-1px}h1 br{display:none}h1 span{display:inline-block;transform:rotate(-5deg);margin-left:8px}h1{font-size:0}h1:before{content:'STACK. ';font-size:clamp(74px,19vw,112px)}h1 span{font-size:clamp(74px,19vw,112px)}.home-copy p{font-size:13px;line-height:1.5;margin:7px 0}.home-copy p br{display:none}.home-copy p{font-size:0}.home-copy p:after{content:'Tap to stack. Don’t miss.';font-size:14px}.home-actions{left:50%;transform:translateX(-50%);width:min(300px,calc(100vw - 48px));bottom:calc(64px + var(--safe-bottom))}.primary-button{padding:18px 22px;font-size:17px}.input-hint{margin-top:16px;font-size:11px}.desktop-hint{display:none!important}.mobile-hint{display:block}.best-badge{top:auto;bottom:calc(181px + var(--safe-bottom));left:50%;right:auto;transform:translateX(-50%);gap:6px;white-space:nowrap}.best-badge .badge-icon{font-size:20px}.best-badge>div{display:flex;align-items:center;gap:7px}.best-badge .micro-label{font-size:9px;letter-spacing:.9px}.best-badge strong{font-size:17px;margin:0;letter-spacing:-.5px}.best-unit{font-size:11px}.scene-caption{display:none}.bottomline{bottom:calc(20px + var(--safe-bottom));left:22px;right:22px;font-size:8px;letter-spacing:1px}.footer-right{font-size:0;gap:0}.footer-right>span{font-size:23px}.hud{top:calc(105px + var(--safe-top))}.score{font-size:85px}.hud .micro-label{font-size:10px}.hud-best{font-size:10px}.feedback{top:34%;font-size:36px}.combo-meter{left:50%;transform:translateX(-50%);top:auto;bottom:calc(115px + var(--safe-bottom))}.combo-meter>span:first-child{font-size:9px}.combo-note{max-width:none;font-size:9px}.combo-dots{margin-top:8px}.combo-dots i{height:7px;width:28px}.drop-button{bottom:calc(44px + var(--safe-bottom));font-size:12px;padding:16px 30px}.result-panel{left:50%;transform:translate(-50%,-44%);width:min(330px,calc(100vw - 48px));padding:24px;background:#f6efffdc;backdrop-filter:blur(16px);border:1px solid #ffffffa6;border-radius:24px;box-shadow:0 20px 65px #44315e10;text-align:center}.result-eyebrow{font-size:9px;letter-spacing:1px}.result-panel h2{font-size:78px;margin-top:8px}.result-number{justify-content:center;margin:6px 0}.result-number strong{font-size:70px}.result-number>span{font-size:10px;text-align:left}.result-panel p{font-size:13px;min-height:0;margin:12px 0 20px}.result-stats{justify-content:center;gap:32px;padding-top:12px;margin-bottom:20px;text-align:left}.result-stats span{font-size:8px;letter-spacing:.7px}.result-stats strong{font-size:21px}.secondary-button{font-size:13px;padding:12px;margin-top:15px}.result-panel .primary-button{padding:16px 19px;font-size:16px}.challenge{top:calc(74px + var(--safe-top));font-size:11px;padding:7px 13px}.toast{bottom:calc(22px + var(--safe-bottom));font-size:12px}dialog{padding:32px 26px}dialog h2{font-size:58px}.dialog-note{font-size:12px}}
@media(max-height:700px) and (max-width:680px){.home-copy{top:85px}.home-copy .eyebrow{display:none}h1:before,h1 span{font-size:67px}.home-copy p{margin-top:0}.home-actions{bottom:45px}.best-badge{bottom:160px}.bottomline{bottom:12px}.hud{top:80px}.score{font-size:70px}.feedback{top:32%}.result-panel{top:51%;padding:20px;transform:translate(-50%,-45%)}.result-panel h2{font-size:62px}.result-number strong{font-size:58px}.result-panel p{margin:8px 0 13px}.result-stats{margin-bottom:16px}.result-number{margin:3px 0}.drop-button{bottom:32px}.combo-meter{bottom:99px}.result-eyebrow{font-size:8px}}
@media(max-height:560px) and (min-width:681px){.topbar{top:18px}.home-copy{top:23%}h1{font-size:76px;margin:16px 0}.home-copy p{display:none}.home-actions{bottom:15%;width:250px}.primary-button{padding:14px 20px}.input-hint{margin-top:14px}.best-badge{top:25%}.bottomline{bottom:16px}.result-panel{width:290px;left:7%;top:51%}.result-panel h2{font-size:68px;margin-top:5px}.result-number strong{font-size:60px}.result-panel p{font-size:12px;min-height:0;margin:8px 0 12px}.result-stats{padding-top:9px;margin-bottom:12px}.result-stats strong{font-size:18px}.result-stats span{font-size:9px}.secondary-button{padding:10px;margin-top:12px}.result-key-hint{display:none!important}.hud{top:14%}.score{font-size:65px}.combo-meter{top:44%}.drop-button{bottom:12%}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.001ms!important;transition-duration:.001ms!important}.feedback.show{opacity:1}}

/* Keep responsive copy semantic and avoid generated duplicate headings. */
#app:focus{outline:none}.phone-copy{display:none}h1 .stack-word,h1 .stack-repeat{display:block;transform:none;color:var(--ink)}h1 .oops-word{display:block}h1:before{content:none!important}
@media(max-width:680px){h1 .stack-word{display:inline-block;font-size:clamp(74px,19vw,112px);margin-left:0}h1 .stack-repeat{display:none}h1 .oops-word{display:inline-block}.home-copy .desktop-copy{display:none}.home-copy .phone-copy{display:inline;font-size:14px}.home-copy p:after{content:none}}
@media(max-height:700px) and (max-width:680px){h1 .stack-word{font-size:67px}}

/* Compact landscape remains fully playable on small phones. */
@media(max-height:500px) and (orientation:landscape){
  .topbar{top:calc(12px + var(--safe-top));left:22px;right:22px}.wordmark{font-size:12px}.wordmark svg{width:29px;height:29px}.icon-button{width:36px;height:36px}.toolbar{gap:7px}
  .home-copy{left:6%;right:auto;top:26%;text-align:left}.home-copy .eyebrow{display:none}h1{font-size:64px;margin:0}h1 .stack-word,h1 .stack-repeat,h1 .oops-word{font-size:64px;display:block;margin:0;line-height:.82}h1 .stack-repeat{display:none}.home-copy p{display:none}
  .home-actions{left:6%;bottom:17%;transform:none;width:210px}.home-actions .primary-button{padding:12px 18px;font-size:15px}.home-actions .input-hint{margin-top:12px}.best-badge{left:auto;right:6%;top:25%;bottom:auto;transform:none}.best-badge>div{display:block}.best-badge strong{margin-top:3px}.best-badge .badge-icon{font-size:25px}.scene-caption{display:none}
  .bottomline{left:22px;right:22px;bottom:10px;font-size:8px}.footer-right{font-size:0}.footer-right>span{font-size:20px}
  .hud{top:calc(62px + var(--safe-top));left:10%;transform:none}.hud .score{font-size:60px}.hud .micro-label{font-size:9px}.hud-best{font-size:9px}
  .combo-meter{top:auto;bottom:80px;left:8%;transform:none}.combo-note{max-width:100px}.drop-button{bottom:26px;padding:13px 26px;font-size:12px}
  .feedback{top:22%;font-size:32px}
  .result-panel{left:5%;top:64px;bottom:28px;transform:none;width:285px;overflow:auto;padding:14px 18px;background:#f6efffe8;border:1px solid #ffffffb0;border-radius:20px;text-align:left;backdrop-filter:blur(12px)}
  .result-panel .result-eyebrow{font-size:8px}.result-panel h2{font-size:46px;float:left;margin:8px 17px 0 0}.result-number{justify-content:flex-start;gap:8px;margin:8px 0}.result-number strong{font-size:46px}.result-number>span{font-size:8px}.result-panel p{clear:both;font-size:11px;margin:9px 0;min-height:0}.result-stats{gap:26px;justify-content:flex-start;padding-top:7px;margin-bottom:12px}.result-stats span{font-size:8px}.result-stats strong{font-size:16px}.result-stats div{gap:3px}.result-panel .primary-button{font-size:14px;padding:10px 16px;box-shadow:0 4px 0 #43289f}.result-panel .secondary-button{margin-top:11px;padding:8px;font-size:12px}.result-key-hint{display:none!important}
  .challenge{top:16px;max-width:50%;overflow:hidden;text-overflow:ellipsis;font-size:10px}
}

@media(max-width:350px) and (orientation:portrait){h1 .stack-word,h1 .oops-word{font-size:61px}.home-copy{left:8px;right:8px}}

#share-dialog{position:relative}#share-dialog .share-close{position:absolute;top:18px;right:18px;width:36px;height:36px}#share-dialog>p{font-size:15px;line-height:1.5;color:#766584;margin-bottom:22px}#share-dialog label{display:block;font-size:11px;font-weight:700;letter-spacing:1px;margin-bottom:8px}#share-text{resize:none;width:100%;font-family:Space,Arial,sans-serif;font-size:14px;line-height:1.6;padding:14px;border:1px solid #a995c0;border-radius:12px;background:#ffffff80;color:var(--ink);margin-bottom:20px}#share-dialog .copy-note{font-size:12px;margin:22px 0 0;line-height:1.5}
@media(max-width:680px) and (orientation:portrait){.best-badge{background:#f2e9fff2;padding:6px 12px;border-radius:24px}.result-panel{max-height:calc(100svh - 128px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}}