:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--background-deep: #07111f;--background-void: #030914;--background-panel: #101d30;--surface: #172940;--surface-light: #213a57;--surface-raised: #294663;--primary: #46d7ff;--primary-strong: #12bce9;--secondary: #8b7cff;--success: #57e389;--warning: #ffcc66;--danger: #ff5d73;--text-main: #f4f8ff;--text-muted: #9fb2ca;--text-dim: #7188a4;--border: rgb(151 197 232 / 20%);--border-bright: rgb(70 215 255 / 48%);--panel-glass: rgb(10 24 41 / 88%);--shadow-panel: 0 20px 50px rgb(0 0 0 / 34%);--shadow-glow: 0 0 28px rgb(70 215 255 / 18%);--radius-sm: .55rem;--radius-md: .85rem;--radius-lg: 1.2rem;--radius-pill: 999px;--safe-top: env(safe-area-inset-top, 0px);--safe-right: env(safe-area-inset-right, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-left: env(safe-area-inset-left, 0px);--tap-size: 2.75rem;--topbar-height: 3.75rem;--toolbox-size: 7.25rem;--ease-out: cubic-bezier(.2, .75, .25, 1)}*,*:before,*:after{box-sizing:border-box}html{width:100%;height:100%;overflow:hidden;background:var(--background-void);-webkit-text-size-adjust:100%;text-size-adjust:100%}body{width:100%;min-width:0;height:100%;margin:0;overflow:hidden;color:var(--text-main);background:radial-gradient(circle at 15% 12%,rgb(70 215 255 / 11%),transparent 28rem),radial-gradient(circle at 88% 84%,rgb(139 124 255 / 12%),transparent 32rem),linear-gradient(145deg,var(--background-deep),var(--background-void))}#app{width:100%;height:100%;min-width:0;min-height:0;overflow:hidden}body,button,input,select,textarea{font:inherit}button,input,select,textarea{color:inherit}button,[role=button]{-webkit-tap-highlight-color:transparent}button{border:0}button:not(:disabled),[role=button]:not([aria-disabled=true]),label[for],select{cursor:pointer}button:disabled,[aria-disabled=true]{cursor:not-allowed}input,select,textarea{min-height:var(--tap-size);max-width:100%}img,svg,canvas{display:block;max-width:100%}h1,h2,h3,p{margin-block-start:0}p:last-child{margin-block-end:0}a{color:var(--primary)}strong{font-weight:750}::selection{color:var(--background-deep);background:var(--primary)}:where(button,a,input,select,textarea,[tabindex]):focus-visible{outline:3px solid var(--warning);outline-offset:3px}[hidden],.is-hidden{display:none!important}.app-shell{position:relative;isolation:isolate;width:100%;height:100vh;height:100dvh;min-height:0;overflow:hidden}.app-shell:before{position:absolute;z-index:-1;inset:0;content:"";pointer-events:none;opacity:.18;background-image:linear-gradient(rgb(94 163 210 / 12%) 1px,transparent 1px),linear-gradient(90deg,rgb(94 163 210 / 12%) 1px,transparent 1px);background-size:2rem 2rem;mask-image:linear-gradient(to bottom,black,transparent 80%)}.screen{width:100%;height:100%;min-width:0;min-height:0;overflow-x:hidden;overflow-y:auto;overscroll-behavior:none;scrollbar-gutter:stable;animation:screen-enter .28s var(--ease-out) both}.screen[aria-hidden=true]{display:none}.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0 0 0 0)!important;white-space:nowrap!important;border:0!important}@keyframes screen-enter{0%{opacity:0;transform:translateY(.4rem)}}@media(hover:hover)and (pointer:fine){*{scrollbar-width:thin;scrollbar-color:var(--surface-light) transparent}*::-webkit-scrollbar{width:.55rem;height:.55rem}*::-webkit-scrollbar-thumb{border:2px solid transparent;border-radius:var(--radius-pill);background:var(--surface-light);background-clip:padding-box}}@media(prefers-contrast:more){:root{--text-muted: #d7e5f5;--border: rgb(255 255 255 / 55%);--border-bright: var(--primary)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media(forced-colors:active){:where(button,a,input,select,textarea,[tabindex]):focus-visible{outline-color:Highlight}}.game-screen{position:relative;display:grid;grid-template-rows:auto minmax(0,1fr);width:100%;height:100%;min-width:0;min-height:0;overflow:hidden;background:#030914ad}.object-counter{flex:0 0 auto;color:var(--text-main);font-size:clamp(.7rem,1.2vw,.9rem);font-weight:750;white-space:nowrap}.topbar #reset-button svg{width:1.2rem;height:1.2rem}.selection-tip{color:var(--text-muted);font-size:.72rem;white-space:nowrap}.sandbox-meta{position:absolute;z-index:18;top:.7rem;left:50%;display:flex;width:min(calc(100% - 2rem),72rem);padding:.45rem;gap:.4rem;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--panel-glass);transform:translate(-50%);backdrop-filter:blur(.75rem)}.sandbox-meta .button{flex:0 0 auto}.inventory-config{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem}.inventory-config label{display:grid;grid-template-columns:minmax(0,1fr) 5rem;align-items:center;gap:.5rem}.inventory-config input{width:100%;padding:.5rem;border:1px solid var(--border);border-radius:.5rem;background:var(--background-panel)}.inventory-config .modal__actions{grid-column:1 / 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textarea{min-height:6rem;resize:vertical}.tutorial-card,.help-panel{position:absolute;z-index:35;right:max(.75rem,var(--safe-right));bottom:5rem;left:max(.75rem,var(--safe-left));width:auto;max-width:26rem;max-height:calc(100% - 6.5rem);padding:1rem;overflow:auto;border:1px solid var(--border-bright);border-radius:var(--radius-lg);background:linear-gradient(145deg,#162f49f7,#081728fa);box-shadow:var(--shadow-panel),var(--shadow-glow);backdrop-filter:blur(.9rem)}.tutorial-card{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:start;gap:.7rem}.tutorial-card__step{display:grid;width:2.15rem;height:2.15rem;place-items:center;color:var(--background-deep);font-size:.68rem;font-weight:900;border-radius:50%;background:var(--primary)}.tutorial-card strong{display:block;margin-bottom:.2rem}.tutorial-card p{margin:0}.tutorial-card__close{display:grid;width:var(--tap-size);height:var(--tap-size);padding:0;place-items:center;color:var(--text-muted);font-size:1.4rem;border-radius:50%;background:#ffffff0d}.tutorial-card:after{position:absolute;right:2rem;bottom:-.55rem;width:1rem;height:1rem;content:"";border-right:1px solid var(--border-bright);border-bottom:1px solid var(--border-bright);background:#0c2238;transform:rotate(45deg)}.tutorial-card h2,.tutorial-card h3,.help-panel h2,.help-panel h3{margin:0 0 .45rem;font-size:1rem}.tutorial-card p,.help-panel p,.help-panel li{color:var(--text-muted);font-size:.88rem;line-height:1.45}.help-panel{top:.75rem;bottom:auto;left:auto}@media(hover:hover)and (pointer:fine){.tool-card:not(:disabled):hover{border-color:var(--border-bright);transform:translateY(-2px);box-shadow:0 .5rem 1.1rem #00000040}.primary-play:hover{filter:brightness(1.08);transform:translateY(-2px) scale(1.015)}}@media(min-width:42rem){.property-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topbar .button--label{display:inline-flex}.topbar__status{display:flex}.topbar__actions{max-width:none}}@media(min-width:48rem),(orientation:landscape)and (min-height:22rem){:root{--toolbox-size: clamp(7rem, 14vw, 10.75rem)}.game-stage{grid-template-areas:"toolbox canvas";grid-template-columns:var(--toolbox-size) minmax(0,1fr);grid-template-rows:minmax(0,1fr)}.toolbox{height:100%;padding:.75rem .55rem max(.75rem,var(--safe-bottom)) max(.55rem,var(--safe-left));overflow:hidden;border-top:0;border-right:1px solid var(--border-bright);box-shadow:.65rem 0 1.8rem #00000047}.toolbox__heading,.toolbox__title{display:block}.toolbox__items{display:grid;grid-template-columns:minmax(0,1fr);align-content:start;max-height:calc(100% - 1.7rem);padding:0 .15rem .3rem 0;overflow-x:hidden;overflow-y:auto;scroll-snap-type:y 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demo-ball{0%{left:6%;top:0;transform:translate(0)}25%{left:22%;top:43%;transform:translate(0)}52%{left:57%;top:72%;transform:translate(0)}68%{left:68%;top:26%;transform:translate(0)}88%,to{left:88%;top:78%;transform:translateY(1rem)}}.level-select-screen__content{width:min(96vw,92rem)}.level-select-hint{color:var(--text-muted);font-size:.95rem}@media(max-width:36rem){.home-hero{min-height:92dvh}.main-actions{grid-template-columns:1fr}.home-machine{height:8rem}}.home-screen{position:relative}.home-screen:before,.home-screen:after{position:absolute;z-index:-1;width:clamp(11rem,34vw,24rem);aspect-ratio:1;content:"";pointer-events:none;border:1px solid rgb(70 215 255 / 14%);border-radius:50%}.home-screen:before{top:-8rem;left:-6rem;box-shadow:0 0 0 2rem #46d7ff05,0 0 0 5rem #46d7ff05}.home-screen:after{right:-7rem;bottom:-9rem;border-color:#8b7cff26;box-shadow:0 0 0 2.5rem #8b7cff05,0 0 0 6rem 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0;color:var(--text-dim);font-size:.82rem;text-align:center}.created-heading{margin:2rem 0 1rem;font-size:clamp(1.25rem,3vw,1.8rem)}.level-card--created{border-color:#8b7cff7a}.level-card h2,.level-card h3,.level-card__title{margin:.3rem 0 0;font-size:1.1rem;line-height:1.15}.level-card p,.level-card__description{margin:.45rem 0 0;color:var(--text-muted);font-size:.82rem;line-height:1.4}.level-card__footer{display:flex;min-width:0;align-items:center;justify-content:space-between;gap:.6rem}.level-card__stars,.results__stars{display:flex;align-items:center;gap:.2rem;color:var(--warning);font-size:1.05rem;letter-spacing:.03em}.level-card.is-locked,.level-card[data-locked=true],.level-card[aria-disabled=true],.level-card:disabled{opacity:.56;filter:grayscale(.65)}@media(min-height:40rem){.home-screen{overflow:hidden}}.level-card.is-complete{border-color:#57e38959}.level-card.is-current{border-color:var(--primary);box-shadow:0 0 0 2px 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both}.modal>:last-child{margin-bottom:0}.modal__close{position:absolute;top:.65rem;right:.65rem}.modal__actions{display:grid;grid-template-columns:minmax(0,1fr);gap:.65rem;margin-top:1.25rem}.results{display:grid;place-items:center;text-align:center}.results__badge{display:grid;width:5.5rem;aspect-ratio:1;margin-bottom:1rem;place-items:center;color:var(--success);font-size:2.4rem;border:1px solid rgb(87 227 137 / 55%);border-radius:50%;background:#57e38917;box-shadow:0 0 2rem #57e38933}.results h2,.results__title{margin:0;font-size:clamp(1.6rem,7vw,2.35rem)}.results__stars{margin-block:.75rem;font-size:clamp(1.8rem,9vw,2.8rem);filter:drop-shadow(0 0 .5rem rgb(255 204 102 / 28%))}.results__summary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem;width:100%;margin-top:.75rem}.results__stat{min-width:0;padding:.7rem;border:1px solid var(--border);border-radius:var(--radius-md);background:#05111f94}.results__stat span{display:block;color:var(--text-muted);font-size:.72rem}.results__stat strong{display:block;margin-top:.2rem;font-size:1.05rem}@keyframes logo-orbit{to{transform:rotate(360deg)}}@keyframes toast-enter{0%{opacity:0;transform:translate(-50%,-.75rem)}}@keyframes fade-in{0%{opacity:0}}@keyframes modal-enter{0%{opacity:0;transform:translateY(.8rem) scale(.98)}}@media(hover:hover)and (pointer:fine){.button:not(:disabled):hover{border-color:var(--border-bright);filter:brightness(1.08);transform:translateY(-1px)}.level-card:not([aria-disabled=true]):hover{border-color:var(--border-bright);transform:translateY(-3px);box-shadow:0 1rem 2rem #00000042,var(--shadow-glow)}}@media(min-width:34rem){.main-actions,.modal__actions{grid-template-columns:repeat(2,minmax(0,1fr))}.main-actions .button:first-child:last-child{grid-column:1 / 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