:root{--purple:#0a0a0a;--lime:#ffb084;--lime-text:#0a0a0a;--highlight:#e8b94a;--bg:#fffaf0;--text-primary:#0a0a0a;--text-muted:#6a6a6a;--modal-surface:#f5f0e0;--option-tile:#ebe6d6;--st-u:#fff;--st-r:#d11414;--st-f:#1ea34b;--st-d:#f7d52f;--st-l:#ff7a1a;--st-b:#1f53d8;--cube-body:#0a0a0a;--cube-outline:#000;--dim-face:#e2e2e2;--btn-disabled-bg:#555;--btn-disabled-text:#666;--btn-secondary-disabled-bg:#ccc;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}button{appearance:none}button:focus{outline:none}button:focus-visible{outline:2px solid var(--purple);outline-offset:2px}html,body,#app{background:var(--bg);height:100%;color:var(--text-primary);-webkit-font-smoothing:antialiased;overscroll-behavior:none;margin:0;padding:0;font-family:Inter,system-ui,-apple-system,sans-serif}button{cursor:pointer;font-family:inherit}button:disabled{cursor:default}img{-webkit-user-drag:none;-webkit-user-select:none;user-select:none}.screen{flex-direction:column;width:100vw;height:100dvh;display:none}.screen.active{display:flex}#home{padding:8px env(safe-area-inset-right) 24px env(safe-area-inset-left)}.home-topbar{justify-content:space-between;align-items:center;padding:4px 20px;display:flex}.home-logo{object-fit:contain;width:56px;height:56px}.profile-btn{background:var(--lime);border:none;border-radius:10px;justify-content:center;align-items:center;width:48px;height:48px;padding:0;display:flex}.profile-btn img{object-fit:contain;filter:brightness(0);width:26px;height:26px}.home-title{text-align:left;flex-direction:column;align-items:flex-start;gap:4px;margin:28px 0 0;padding:0 20px;display:flex}.home-title .line{letter-spacing:-1.5px;color:var(--text-primary);font-family:Fraunces,Source Serif Pro,Georgia,serif;font-size:46px;font-weight:600;line-height:1}.home-title .marker{color:#fff;isolation:isolate;padding:6px 12px;display:inline-block;position:relative}.home-title .marker .marker-bg{z-index:0;pointer-events:none;object-fit:fill;width:calc(100% + 56px);height:calc(100% + 20px);position:absolute;inset:-10px -28px}.home-title .marker .marker-text{z-index:1;position:relative}.home-title .marker.animate .marker-bg{clip-path:inset(0 100% 0 0);animation:.25s ease-out forwards marker-draw}@keyframes marker-draw{to{clip-path:inset(0)}}.home-cube{flex:1;justify-content:center;align-items:center;min-height:0;display:flex;position:relative}.home-splash{object-fit:contain;pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.home-splash.animate{opacity:0;animation:.6s cubic-bezier(.215,.61,.355,1) forwards splash-fade}@keyframes splash-fade{to{opacity:1}}.home-cube-img{object-fit:contain;max-width:95%;max-height:95%;position:relative}.cta-row{justify-content:center;padding:8px 20px 0;display:flex}.primary-btn{letter-spacing:1.2px;border:none;border-radius:8px;height:52px;padding:0 24px;font-family:Inter,system-ui,sans-serif;font-size:24px;font-weight:700}.primary-btn.purple{background:var(--purple);color:#fff}.primary-btn.dark{background:var(--text-primary);color:var(--bg)}.primary-btn.dark:disabled{background:var(--btn-disabled-bg);color:#fff}.dots-loader{justify-content:center;align-items:center;gap:4px;height:1em;display:inline-flex}.dots-loader:before,.dots-loader:after,.dots-loader>i{content:"";opacity:.25;background:currentColor;border-radius:50%;width:6px;height:6px;animation:1.2s ease-in-out infinite dot-bounce;display:inline-block}.dots-loader:before{content:""}.dots-loader>i{animation-delay:.18s}.dots-loader:after{content:"";animation-delay:.36s}@keyframes dot-bounce{0%,80%,to{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}.scan-topbar{justify-content:space-between;align-items:center;padding:4px 16px 4px 4px;display:flex;position:relative}.icon-btn{color:var(--text-primary);background:0 0;border:none;justify-content:center;align-items:center;width:40px;height:40px;padding:0;font-size:32px;display:flex}.icon-btn svg{width:32px;height:32px}.text-btn{color:var(--text-primary);background:0 0;border:none;align-items:center;gap:6px;padding:6px 8px;font-family:Inter,system-ui,sans-serif;font-size:18px;font-weight:800;display:flex}.text-btn[hidden]{display:none}.text-btn svg{pointer-events:none;width:22px;height:22px}.text-btn span{pointer-events:none}.camera-section{background:#111;width:100%;height:300px;margin:4px 0;position:relative;overflow:hidden}.camera-section video{object-fit:cover;width:100%;height:100%;display:block}.scan-overlay{aspect-ratio:1;pointer-events:none;width:auto;height:85%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.scan-overlay .grid{grid-template:repeat(3,1fr)/repeat(3,1fr);gap:0;width:100%;height:100%;display:grid}.scan-overlay .cell{background:#ffffff0d;border:2px solid #fff}.corner{width:28px;height:28px;position:absolute}.corner.tl{top:-14px;left:-14px}.corner.tr{top:-14px;right:-14px;transform:rotate(90deg)}.corner.br{bottom:-14px;right:-14px;transform:rotate(180deg)}.corner.bl{bottom:-14px;left:-14px;transform:rotate(270deg)}.hint-cube-wrap{flex:1;justify-content:center;align-items:center;min-height:0;padding:8px;display:flex}.hint-cube-wrap canvas{aspect-ratio:1;width:auto;max-width:100%;height:100%;display:block}#scan .next-row{padding:0 24px;padding-bottom:calc(env(safe-area-inset-bottom,24px) / 2)}#scan .next-row .primary-btn{width:100%}.scan-splash{pointer-events:none;z-index:0;width:180px;height:180px;position:fixed;bottom:-95px}.scan-splash.left{left:-90px;transform:scaleX(-1)}.scan-splash.right{right:-90px}#scan>*{z-index:1;position:relative}#scan .scan-splash{z-index:0}.solve-topbar{justify-content:space-between;align-items:center;padding:4px 16px 4px 4px;display:flex;position:relative}.speed-btn{color:var(--text-primary);background:0 0;border:none;border-radius:8px;align-items:center;gap:6px;padding:6px 8px;font-family:Inter,system-ui,sans-serif;font-size:16px;font-weight:700;display:flex}.speed-btn img{object-fit:contain;width:22px;height:22px}.speed-btn .lbl{white-space:nowrap}.cube-stage{flex:auto;width:100%;min-height:240px;padding:12px 24px;position:relative;overflow:hidden}.cube-stage canvas,.cube-stage>svg{width:calc(100% - 48px);height:calc(100% - 24px);display:block;position:absolute;inset:12px 24px}.cube-stage canvas{z-index:0}.cube-stage>svg{z-index:1;pointer-events:none}.thumbnails{scroll-behavior:smooth;scrollbar-width:none;flex-shrink:0;gap:12px;height:168px;padding:0 16px;display:flex;overflow:auto hidden}.thumbnails::-webkit-scrollbar{display:none}.thumb-tile{cursor:pointer;background:0 0;border:none;flex-direction:column;justify-content:center;align-items:center;width:130px;min-width:130px;height:100%;padding:0;display:flex;position:relative}.thumb-splash{object-fit:contain;pointer-events:none;width:calc(100% + 32px);height:calc(100% + 16px);position:absolute;inset:-8px -16px}.thumb-badge{color:var(--text-primary);z-index:1;margin-bottom:4px;font-family:Inter,system-ui,sans-serif;font-size:14px;font-weight:700;position:relative}.thumb-badge.active{background:var(--purple);color:#fff;border-radius:6px;padding:2px 8px;font-weight:800}.thumb-cube-wrap{z-index:1;width:116px;height:116px;position:relative}.thumb-cube-wrap .thumb-cube-img{object-fit:contain;z-index:1;width:100%;height:100%;display:block;position:relative}.thumb-cube-wrap.loading:before{content:"";background:linear-gradient(110deg, transparent 20%, #ffffff8c 50%, transparent 80%), color-mix(in srgb, var(--text-primary) 12%, var(--bg));z-index:0;background-repeat:no-repeat;background-size:220% 100%,100% 100%;border-radius:10px;animation:1.2s linear infinite shimmer;position:absolute;inset:0}.thumb-cube-wrap.loading .thumb-cube-img{visibility:hidden}@keyframes shimmer{0%{background-position:-120% 0,0 0}to{background-position:220% 0,0 0}}.progress-bar{background:color-mix(in srgb, var(--text-primary) 15%, transparent);border-radius:2px;height:4px;margin:12px 24px;overflow:hidden}.progress-bar .fill{background:var(--purple);border-radius:2px;width:0%;height:100%;transition:width .2s}.player-row{align-items:flex-start;gap:12px;padding:0 24px 12px;display:flex}.square-btn{background:var(--bg);border:1.5px solid var(--text-primary);border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:2px;width:52px;height:52px;padding:0;display:flex}.square-btn img,.square-btn svg{object-fit:contain;width:22px;height:22px;color:var(--text-primary)}.square-btn img{filter:brightness(0)}.square-btn .lbl{color:var(--text-primary);margin-top:2px;font-family:Inter,system-ui,sans-serif;font-size:11px;font-weight:700}.square-btn:disabled{opacity:.4}.square-btn-stack{background:0 0;border:none;flex-direction:column;align-items:center;margin:0;padding:0;display:flex}.square-btn-stack .lbl-below{color:var(--text-primary);margin-top:4px;font-family:Inter,system-ui,sans-serif;font-size:11px;font-weight:700}.square-btn-stack:disabled,.square-btn-stack.disabled,.square-btn-stack[disabled]{opacity:.4}.lime-btn{background:var(--lime);height:52px;color:var(--text-primary);letter-spacing:1.2px;border:none;border-radius:8px;flex:1;padding:0 36px;font-family:Inter,system-ui,sans-serif;font-size:22px;font-weight:800}.lime-btn:disabled{background:var(--btn-secondary-disabled-bg);color:var(--btn-disabled-text)}.spacer-52{width:52px}.scrim{opacity:0;pointer-events:none;z-index:99;background:0 0;position:fixed;inset:0}.scrim.open{opacity:1;pointer-events:auto}.speed-sheet{background:var(--modal-surface);padding:10px 0 calc(env(safe-area-inset-bottom,12px) + 12px) 0;z-index:100;border-radius:20px 20px 0 0;transition:transform .28s;position:fixed;bottom:0;left:0;right:0;transform:translateY(100%)}.speed-sheet.open{transform:translateY(0)}.drag-indicator{background:var(--text-primary);border-radius:2px;width:44px;height:4px;margin:0 auto 16px}.speed-sheet .sheet-header{justify-content:space-between;align-items:center;padding:0 8px 0 20px;display:flex}.speed-sheet h2{color:var(--text-primary);margin:0 auto;padding-left:40px;font-family:Inter,system-ui,sans-serif;font-size:24px;font-weight:800}.speed-sheet .close{color:var(--text-primary);background:0 0;border:none;padding:8px;font-size:26px;line-height:1}.speed-sheet ul{margin:8px 0 0;padding:0;list-style:none}.speed-sheet li{color:var(--text-primary);letter-spacing:.5px;text-align:center;cursor:pointer;padding:12px 24px;font-family:Inter,system-ui,sans-serif;font-size:16px;font-weight:800}.speed-sheet li.selected{background:var(--lime);color:#111;border-radius:8px;margin:0 24px}.solving-loader{background:var(--bg);z-index:200;flex-direction:column;justify-content:center;align-items:center;gap:8px;display:flex;position:fixed;inset:0}.solving-loader canvas{width:140px;height:140px}.solving-loader .title{color:var(--text-primary);margin-top:24px;font-family:Inter,system-ui,sans-serif;font-size:22px;font-weight:900}.solving-loader .subtitle{color:var(--text-muted);margin-top:8px;font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:500}.hidden{display:none!important}.cant-solve-sheet{background:var(--modal-surface);padding:10px 0 calc(env(safe-area-inset-bottom,16px) + 16px) 0;z-index:200;border-radius:20px 20px 0 0;flex-direction:column;align-items:center;display:none;position:fixed;bottom:0;left:0;right:0}.cant-solve-sheet.open{display:flex}.cant-solve-sheet .drag-indicator{background:var(--text-primary);border-radius:2px;width:44px;height:4px;margin-bottom:24px}.cant-solve-sheet .warn-chip{background:var(--lime);border-radius:50%;justify-content:center;align-items:center;width:64px;height:64px;margin-bottom:18px;display:flex}.cant-solve-sheet .warn-chip svg{color:#111;width:36px;height:36px}.cant-solve-sheet h2{color:var(--text-primary);text-align:center;margin:0 24px 12px;font-family:Inter,system-ui,sans-serif;font-size:22px;font-weight:900}.cant-solve-sheet p{color:var(--text-muted);text-align:center;margin:0 28px 24px;font-family:Inter,system-ui,sans-serif;font-size:14px;font-weight:500;line-height:1.4}.cant-solve-sheet .scan-again{background:var(--text-primary);color:var(--bg);letter-spacing:1px;border:none;border-radius:14px;padding:16px 32px;font-family:Inter,system-ui,sans-serif;font-size:16px;font-weight:800}.back-to-site{color:var(--text-primary);background:0 0;border-radius:8px;align-items:center;gap:6px;padding:9px 12px 9px 8px;font:600 14px/1 Inter,system-ui,sans-serif;text-decoration:none;transition:background-color .12s;display:inline-flex}.back-to-site:hover{background:var(--modal-surface)}.back-to-site svg{width:18px;height:18px}.site-wordmark{letter-spacing:-.01em;color:var(--text-primary);white-space:nowrap;font-family:Fraunces,Source Serif Pro,Georgia,serif;font-size:16px;font-weight:600;text-decoration:none;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.site-wordmark:hover{color:var(--text-muted)}