@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./inter-latin-wght-normal-Dx4kXJAl.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root,:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0b0f1a;--fg:#eef1fa;--fg-muted:#aab3cb;--glass:#ffffff13;--glass-strong:#ffffff21;--glass-border:#ffffff2b;--border-strong:#ffffff5c;--track:#ffffff21;--accent-a:#2563eb;--accent-b:#7c3aed;--accent-text-a:#7cb4ff;--accent-text-b:#b9a2ff;--focus-ring:#93c5fd;--danger:#ff5a6a;--danger-text:#ff8a95;--success:#4ade80;--warn:#fbbf24;--glow-a:#3b82f638;--glow-b:#8b5cf633;--shadow:0 10px 40px #00000073;--sticker-edge:#00000038;--sticker-ring:#ffffff1a;--cube-body:#1d2331;--cube-edge:#ffffff29;--stage-glow:#6370ff33;--stage-glow-2:#8b5cf614;--surface:#141b2d;--net-face:#ffffff0b;--disabled-opacity:.5}:root[data-theme=light]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f4f6fb;--fg:#0f172a;--fg-muted:#475069;--glass:#ffffffb8;--glass-strong:#fffffff2;--glass-border:#0f172a1f;--border-strong:#0f172a80;--track:#0f172a24;--accent-text-a:#1d4ed8;--accent-text-b:#6d28d9;--focus-ring:#1d4ed8;--danger:#d4202f;--danger-text:#b4232f;--success:#047857;--warn:#b45309;--glow-a:#3b82f629;--glow-b:#8b5cf624;--shadow:0 10px 34px #1e295a24;--sticker-edge:#00000029;--sticker-ring:#0f172a61;--cube-body:#0d1018;--cube-edge:transparent;--stage-glow:#2563eb17;--stage-glow-2:#7c3aed0a;--surface:#fff;--net-face:#0f172a0a;--disabled-opacity:.45}:root{--gradient:linear-gradient(135deg, var(--accent-a), var(--accent-b));--gradient-text:linear-gradient(135deg, var(--accent-text-a), var(--accent-text-b));--radius:16px;--radius-lg:22px;--font:"Inter Variable", Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono:ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px);--safe-left:env(safe-area-inset-left,0px);--safe-right:env(safe-area-inset-right,0px)}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%;touch-action:manipulation;overscroll-behavior-y:contain}body{background:var(--bg);min-height:100dvh;color:var(--fg);font-family:var(--font);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;padding-inline:var(--safe-left) var(--safe-right);margin:0;font-size:16px;line-height:1.5;overflow-x:hidden}body:before{content:"";z-index:-1;pointer-events:none;background:radial-gradient(60vmax 60vmax at 12% -12%, var(--glow-a), transparent 62%), radial-gradient(52vmax 52vmax at 98% 108%, var(--glow-b), transparent 62%);position:fixed;inset:0}h1,h2,h3,p{margin:0}[hidden]{display:none!important}button{font:inherit;color:inherit}:focus-visible{outline:3px solid var(--focus-ring);outline-offset:3px}h1:focus,h2:focus{outline:none}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.muted{color:var(--fg-muted)}.small{font-size:.875rem}.mono{font-family:var(--mono)}.row{flex-wrap:wrap;gap:12px;display:flex}.glass{background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(18px)saturate(150%);backdrop-filter:blur(18px)saturate(150%)}.btn{border-radius:var(--radius);cursor:pointer;-webkit-user-select:none;user-select:none;border:1px solid #0000;justify-content:center;align-items:center;gap:10px;min-height:52px;padding:0 22px;font-size:1rem;font-weight:650;line-height:1;transition:transform .15s,background-color .2s,box-shadow .2s,opacity .2s;display:inline-flex}.btn:active:not(:disabled){transform:scale(.97)}.btn:disabled{opacity:var(--disabled-opacity);cursor:not-allowed}.btn-primary{color:#fff;background:var(--gradient);box-shadow:0 8px 28px #4f46e566}.btn-primary:hover:not(:disabled){box-shadow:0 10px 34px #4f46e58c}.btn-secondary{background:var(--glass-strong);border-color:var(--glass-border);color:var(--fg)}.btn-secondary:hover:not(:disabled){border-color:var(--border-strong)}.btn-ghost{color:var(--fg-muted);background:0 0}.btn-ghost:hover:not(:disabled){color:var(--fg)}.btn-lg{border-radius:18px;min-height:60px;font-size:1.08rem}.btn-block{width:100%}.icon-btn{border:1px solid var(--glass-border);background:var(--glass);width:48px;height:48px;color:var(--fg);cursor:pointer;border-radius:50%;flex:none;place-items:center;padding:0;transition:transform .15s,border-color .2s;display:inline-grid}.icon-btn:hover{border-color:var(--border-strong)}.icon-btn:where(:hover){background:var(--glass-strong)}.icon-btn:active{transform:scale(.94)}.app{flex-direction:column;min-height:100dvh;display:flex}.app-header{padding:calc(10px + var(--safe-top)) 16px 6px;justify-content:space-between;align-items:center;display:flex}.brand{letter-spacing:-.02em;color:var(--fg);align-items:center;gap:10px;margin:-7px;padding:7px;font-size:1.15rem;font-weight:800;text-decoration:none;display:inline-flex}.app[data-screen=solve]{height:100dvh}.app[data-screen=solve] .screen-outlet{min-height:0;overflow:hidden}.app[data-screen=home] .brand-name{display:none}.skip-link{z-index:100;background:var(--fg);color:var(--bg);border-radius:12px;padding:12px 18px;font-weight:650;text-decoration:none;transition:top .15s;position:absolute;top:-64px;left:12px}.skip-link:focus{top:calc(8px + var(--safe-top))}.app[data-screen=scan] .app-header{display:none}.screen-outlet{flex-direction:column;flex:1;min-height:0;display:flex;position:relative}.screen{flex-direction:column;flex:1;min-height:0;animation:.32s cubic-bezier(.2,.7,.2,1) both screen-in;display:flex}@keyframes screen-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.screen-head{align-items:center;gap:12px;padding:4px 16px 10px;display:flex}.screen-head h1{letter-spacing:-.02em;font-size:1.4rem;line-height:1.2}.screen-error{gap:14px;margin:24px 16px;padding:24px;display:grid}.home{padding:0 16px calc(6px + var(--safe-bottom));flex:1;grid-template-rows:auto minmax(0,1fr) auto auto;grid-template-areas:"title""stage""actions""footer";gap:8px;width:100%;max-width:1200px;margin:0 auto;display:grid}.home-title{text-align:center;grid-area:title;padding-top:4px}.title{letter-spacing:-.04em;background:var(--gradient-text);color:#0000;-webkit-background-clip:text;background-clip:text;font-size:clamp(2.6rem,11vw,4rem);font-weight:850;line-height:1.05}.tagline{color:var(--fg-muted);letter-spacing:.01em;margin-top:6px;font-size:clamp(1.05rem,4vw,1.3rem);font-weight:500}.lede{max-width:34ch;color:var(--fg-muted);margin:8px auto 0;font-size:.95rem;line-height:1.45;display:none}@media (min-height:780px){.lede{display:block}}.home-stage{touch-action:none;grid-area:stage;min-height:260px;position:relative}.cube-canvas{outline-offset:-3px;width:100%;height:100%;display:block}.home-actions{grid-area:actions;gap:12px;width:100%;max-width:460px;margin:0 auto;display:grid}.solver-pill{color:var(--fg-muted);background:var(--glass);border:1px solid var(--glass-border);border-radius:999px;justify-self:center;align-items:center;gap:8px;min-height:32px;padding:6px 14px;font-size:.85rem;display:inline-flex}.solver-pill[hidden]{visibility:hidden;display:inline-flex!important}.home-status{justify-items:center;display:grid}.home-status>*{grid-area:1/1}.resume-pill{border:1px solid var(--border-strong);border:1px solid color-mix(in srgb, var(--accent-text-a) 45%, transparent);background:var(--glass);background:color-mix(in srgb, var(--accent-a) 14%, transparent);min-height:32px;color:var(--fg);font:inherit;cursor:pointer;border-radius:999px;align-items:center;gap:8px;padding:6px 16px 6px 12px;font-size:.92rem;font-weight:650;transition:transform .15s,background-color .2s;display:inline-flex;position:relative}@media (max-width:380px){.resume-extra{display:none}}.confirm-new .dialog-actions{grid-template-columns:minmax(0,1fr)}.resume-pill:before{content:"";position:absolute;inset:-6px -2px}.resume-pill svg{color:var(--accent-text-a)}.resume-pill:hover{background:color-mix(in srgb, var(--accent-a) 22%, transparent)}.resume-pill:active{transform:scale(.96)}.header-actions{align-items:center;gap:8px;display:flex}.btn-install,.btn-chip{border-radius:999px;gap:6px;min-height:44px;padding:0 14px;font-size:.9rem}.screen-head-text{flex:1;min-width:0}.dialog{border:1px solid var(--glass-border);border-radius:var(--radius-lg);background:var(--surface);width:min(480px,100vw - 24px);max-height:calc(100dvh - 24px);color:var(--fg);box-shadow:var(--shadow);margin:max(12px,10dvh) auto auto;padding:0}.dialog[open]{animation:.24s cubic-bezier(.2,.7,.2,1) both dialog-in}.dialog::backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#05081099}@keyframes dialog-in{0%{opacity:0;transform:translateY(10px)scale(.98)}}.dialog-body{gap:10px;padding:18px 18px 20px;display:grid}.dialog-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.dialog-head h2{letter-spacing:-.01em;font-size:1.25rem}.dialog-head .icon-btn{width:44px;height:44px}.dialog .muted{font-size:.92rem;line-height:1.5}.dialog-actions{grid-template-columns:1fr 1fr;gap:10px;margin-top:6px;display:grid}.field-label{color:var(--fg-muted);margin-top:4px;font-size:.85rem;font-weight:650}.field{border:1px solid var(--border-strong);background:var(--glass);width:100%;min-height:52px;color:var(--fg);font:inherit;border-radius:14px;padding:0 14px;font-size:1.05rem}.field.mono{font-family:var(--mono);letter-spacing:.02em}.field:focus-visible{outline:3px solid var(--focus-ring);outline-offset:1px;border-color:#0000}.field[aria-invalid=true]{border-color:var(--danger)}.field-status{min-height:1.4em;color:var(--fg-muted);font-size:.88rem;font-weight:600}.field-status.is-error{color:var(--danger-text)}.shortcut-group{gap:6px;display:grid}.shortcut-group h3{letter-spacing:.06em;text-transform:uppercase;color:var(--fg-muted);font-size:.8rem;font-weight:700}.shortcut-group dl{gap:6px;margin:0;display:grid}.shortcut{grid-template-columns:minmax(120px,auto) 1fr;align-items:center;gap:12px;display:grid}.shortcut dt{flex-wrap:wrap;gap:2px;display:flex}.shortcut dd{margin:0;font-size:.92rem}.toast{left:50%;bottom:calc(24px + var(--safe-bottom));z-index:200;background:var(--fg);max-width:calc(100vw - 32px);color:var(--bg);box-shadow:var(--shadow);pointer-events:none;opacity:0;border-radius:999px;padding:12px 20px;font-size:.95rem;font-weight:650;transition:opacity .2s,transform .25s cubic-bezier(.2,.7,.2,1);position:fixed;transform:translate(-50%,12px)}.toast.is-shown{opacity:1;transform:translate(-50%)}body:has(.app[data-screen=solve]) .toast{bottom:calc(190px + var(--safe-bottom))}.dot-spinner{border:2px solid var(--glass-border);border-top-color:var(--accent-text-a);border-radius:50%;width:14px;height:14px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (min-width:900px){.home{grid-template:"stage."1fr"stage title""stage actions""stage."1fr"footer footer"/minmax(0,1.15fr) minmax(0,1fr);gap:28px 56px;padding-top:12px}.home-title{text-align:left;align-self:end}.lede{max-width:40ch;margin-left:0}.home-actions{align-self:start;margin:0}.home-status{justify-items:start}.title{font-size:4.6rem}}@media (min-width:900px) and (min-height:560px){.lede{display:block}}@media (max-height:700px) and (max-width:899px) and (orientation:portrait){.home{gap:6px}.home-stage{min-height:140px}.title{font-size:clamp(2.2rem,10vw,2.8rem)}.tagline{margin-top:2px;font-size:1rem}.home-actions{gap:8px}.home-actions .btn-lg{min-height:52px}}@media (orientation:landscape) and (min-width:600px) and (max-height:600px){.home{grid-template:"stage."1fr"stage title""stage actions""stage."1fr"footer footer"/minmax(0,1fr) minmax(0,1fr);gap:0 24px;padding-top:0}.home-stage{min-height:0}.home-title{text-align:left;align-self:end;margin-bottom:10px;padding-top:0}.title{font-size:2.4rem}.tagline{margin-top:0;font-size:1rem}.lede{display:none}.home-actions{align-self:start;gap:8px;margin:0}.home-actions .btn-lg{min-height:46px;font-size:1rem}.home-status{justify-items:start}.home .site-footer{padding-top:2px}}@media (orientation:landscape) and (min-width:600px) and (max-height:380px){.tagline{display:none}}.css-cube{--s:140px;width:var(--s);height:var(--s);perspective:calc(var(--s) * 5.5)}.css-cube-float{width:100%;height:100%;animation:5.5s ease-in-out infinite cube-float}.css-cube-spin{width:100%;height:100%;transform-style:preserve-3d;animation:18s linear infinite cube-spin;position:relative;transform:rotateX(-26deg)rotateY(-35deg)}@keyframes cube-spin{0%{transform:rotateX(-26deg)rotateY(-35deg)}to{transform:rotateX(-26deg)rotateY(325deg)}}@keyframes cube-float{50%{transform:translateY(calc(var(--s) * -.06))}}.css-face{gap:calc(var(--s) * .03);padding:calc(var(--s) * .03);border-radius:calc(var(--s) * .07);background:var(--cube-body);box-shadow:inset 0 0 0 1px var(--cube-edge);backface-visibility:hidden;grid-template:repeat(3,1fr)/repeat(3,1fr);display:grid;position:absolute;inset:0}.css-face.face-F{transform:translateZ(calc(var(--s) / 2))}.css-face.face-B{transform:rotateY(180deg) translateZ(calc(var(--s) / 2))}.css-face.face-R{transform:rotateY(90deg) translateZ(calc(var(--s) / 2))}.css-face.face-L{transform:rotateY(-90deg) translateZ(calc(var(--s) / 2))}.css-face.face-U{transform:rotateX(90deg) translateZ(calc(var(--s) / 2))}.css-face.face-D{transform:rotateX(-90deg) translateZ(calc(var(--s) / 2))}.css-sticker{background:var(--glass-strong);border-radius:18%;box-shadow:inset 0 -3px #0003}.css-sticker[data-c=U]{background-color:var(--c-U)}.css-sticker[data-c=R]{background-color:var(--c-R)}.css-sticker[data-c=F]{background-color:var(--c-F)}.css-sticker[data-c=D]{background-color:var(--c-D)}.css-sticker[data-c=L]{background-color:var(--c-L)}.css-sticker[data-c=B]{background-color:var(--c-B)}.home-stage,.solve-stage,.solved-stage{container-type:size}.stage-fallback{place-items:center;transition:opacity .22s;display:grid;position:absolute;inset:0}.stage-fallback .css-cube{--s:min(44cqw, 40cqh)}.home-stage .cube-canvas,.solve-stage .cube-canvas,.solved-stage .cube-canvas{opacity:0;transition:opacity .42s .14s,transform .6s cubic-bezier(.2,.7,.2,1) .14s;position:relative;transform:scale(.97)}.has-3d .cube-canvas{opacity:1;transform:none}.has-3d .stage-fallback{opacity:0;pointer-events:none}.home-stage:before,.solve-stage:not(.is-flat):before,.solved-stage:before{content:"";pointer-events:none;background:radial-gradient(circle closest-side, var(--stage-glow), transparent), radial-gradient(circle farthest-side, var(--stage-glow-2), transparent 70%);position:absolute;inset:0}.net-wrap{container-type:inline-size}.net{--gap:2px;--face-gap:6px;--face-pad:2px;--sticker-max:46px;--sticker:min(var(--sticker-max), calc((100cqw - 8 * var(--gap) - 3 * var(--face-gap) - 8 * var(--face-pad)) / 12));gap:var(--face-gap);grid-template-columns:repeat(4,auto);grid-template-areas:".U. .""L F R B"".D. .";justify-content:center;margin:0 auto;display:grid}.net-face{grid-template-columns:repeat(3, var(--sticker));grid-auto-rows:var(--sticker);gap:var(--gap);padding:var(--face-pad);border-radius:calc(var(--sticker) * .3);background:var(--net-face);transition:background-color .2s;display:grid}.net-face.face-U{grid-area:U}.net-face.face-L{grid-area:L}.net-face.face-F{grid-area:F}.net-face.face-R{grid-area:R}.net-face.face-B{grid-area:B}.net-face.face-D{grid-area:D}.net-face.is-active{background:var(--glass-strong);box-shadow:0 0 0 2px var(--focus-ring)}.net-mini{--gap:2px;--face-gap:4px;--sticker:13px}.net-mini .net-face{--face-pad:2px}.net-mini .sticker[data-c=\?]{background:var(--glass-strong);border:0}.sticker{background:var(--glass);width:100%;min-width:0;height:100%;box-shadow:inset 0 0 0 1.5px var(--sticker-ring), inset 0 -2px 0 var(--sticker-edge), inset 0 1px 0 #ffffff4d;border:0;border-radius:24%;padding:0;transition:transform .12s,background-color .15s;display:block;position:relative}button.sticker{cursor:pointer}button.sticker:before{content:"";position:absolute;inset:-2px}.sticker[data-c=U]{background-color:var(--c-U)}.sticker[data-c=R]{background-color:var(--c-R)}.sticker[data-c=F]{background-color:var(--c-F)}.sticker[data-c=D]{background-color:var(--c-D)}.sticker[data-c=L]{background-color:var(--c-L)}.sticker[data-c=B]{background-color:var(--c-B)}.sticker[data-c=\?]{box-shadow:none;border:2px dashed var(--border-strong);background:0 0}.net:not(.net-mini) .sticker.is-center:after{content:attr(data-face);font-size:calc(var(--sticker) * .38);color:#0000008c;place-items:center;font-weight:800;display:grid;position:absolute;inset:0}.net:not(.net-mini) .sticker.is-center[data-c=R]:after,.net:not(.net-mini) .sticker.is-center[data-c=B]:after{color:#fffc}.sticker.is-selected{z-index:2;outline:3px solid var(--focus-ring);outline-offset:2px;transform:scale(1.14)}.sticker.is-uncertain{outline:2px dashed var(--warn);outline-offset:2px}.sticker.is-invalid{z-index:1;outline:3px solid var(--danger);outline-offset:1px;animation:1.4s ease-in-out infinite invalid-pulse}.sticker.is-invalid:after{border-radius:inherit;background:repeating-linear-gradient(135deg,#00000080 0 3px,#0000 3px 7px);position:absolute;inset:0;content:""!important}@keyframes invalid-pulse{50%{box-shadow:0 0 0 5px color-mix(in srgb, var(--danger) 35%, transparent)}}.palette{grid-template-columns:repeat(6,1fr);gap:8px;display:grid}.swatch{color:#0b0f1a;cursor:pointer;min-height:52px;box-shadow:inset 0 0 0 1.5px var(--sticker-ring), inset 0 -3px 0 var(--sticker-edge), inset 0 1px 0 #ffffff4d;border:2px solid #ffffff47;border-radius:14px;font-size:.95rem;font-weight:800;transition:transform .12s,outline-color .2s}.swatch[data-c=U]{background:var(--c-U)}.swatch[data-c=R]{background:var(--c-R);color:#fff}.swatch[data-c=F]{background:var(--c-F);color:#04130a}.swatch[data-c=D]{background:var(--c-D)}.swatch[data-c=L]{background:var(--c-L)}.swatch[data-c=B]{background:var(--c-B);color:#fff}.swatch:active:not(:disabled){transform:scale(.93)}.swatch[aria-pressed=true]{outline:3px solid var(--focus-ring);outline-offset:2px;transform:translateY(-2px)}.swatch:disabled{opacity:var(--disabled-opacity);cursor:not-allowed}.dock{padding:14px 14px calc(14px + var(--safe-bottom));gap:12px;display:grid}.dock-actions{grid-template-columns:auto auto 1fr;gap:8px;display:grid}.dock-actions .btn{padding:0 14px}.dock-actions .btn-solve{padding:0 18px}.edit-body{flex-direction:column;flex:1;gap:14px;width:100%;max-width:1100px;min-height:0;margin:0 auto;padding:4px 10px 0;display:flex}.net-wrap{flex:auto;place-items:center;padding:10px 0 2px;display:grid}.edit-side{align-content:end;gap:12px;margin-top:auto;display:grid}.edit-side .dock{border-radius:var(--radius-lg) var(--radius-lg) 0 0;border-bottom:0;margin:0 -10px;position:sticky;bottom:0}.status{box-shadow:none;border-radius:18px;gap:8px;padding:14px 16px;display:grid}.status-line{align-items:center;gap:8px;font-weight:600;display:flex}.status-line.ok{color:var(--success)}.status-line.bad{color:var(--danger-text)}.status-note{color:var(--warn);align-items:flex-start;gap:8px;font-size:.9rem;display:flex}.errors{gap:6px;margin:0;padding-left:1.2rem;font-size:.95rem;display:grid}progress{appearance:none;background:var(--track);border:0;border-radius:99px;width:100%;height:8px;overflow:hidden}progress::-webkit-progress-bar{background:var(--track)}progress::-webkit-progress-value{background:var(--gradient);border-radius:99px;transition:width .25s}progress::-moz-progress-bar{background:var(--gradient);border-radius:99px}@media (min-width:900px){.edit-body{grid-template-columns:minmax(0,1.25fr) minmax(340px,1fr);align-items:center;gap:40px;padding-bottom:24px;display:grid}.net{--sticker-max:52px;--gap:3px;--face-gap:10px}.edit-side{align-content:center;margin-top:0}.edit-side .dock{border-radius:var(--radius-lg);margin:0;position:static}}@media (max-height:760px) and (orientation:portrait){.edit-body{gap:10px}.edit-body .net{--sticker-max:max(16px, calc((100dvh - 446px) / 9))}.net-wrap{padding-top:4px}.edit-side{gap:8px}.status{padding:10px 14px}.edit-side .swatch,.edit-side .dock-actions .btn{min-height:46px}.edit-side .dock{gap:10px;padding-top:12px}}@media (max-width:380px){.dock-actions .btn,.dock-actions .btn-solve{gap:6px;padding:0 10px}}@media (max-width:359px){.palette{gap:6px}.btn-chip{width:44px;padding:0}.btn-chip span{display:none}}@media (orientation:landscape) and (min-width:600px) and (max-width:899px) and (max-height:600px){.edit-body{grid-template-columns:minmax(0,1fr) minmax(300px,.85fr);align-items:center;gap:20px;padding-bottom:10px;display:grid}.edit-side{align-content:center;gap:8px;margin-top:0}.edit-side .dock{border-radius:var(--radius-lg);border-bottom:1px solid var(--glass-border);margin:0;padding-bottom:12px;position:static}.edit-side .swatch,.edit-side .dock-actions .btn{min-height:44px}.status{padding:10px 14px}}@media (orientation:landscape) and (max-width:819px) and (max-height:600px){.dock-actions .btn-label{display:none}.edit-body{grid-template-columns:minmax(0,1fr) minmax(260px,.8fr)}}@media (orientation:landscape) and (max-height:440px){.edit-side .kbd-hint{display:none}}@media (orientation:landscape) and (max-height:600px){.edit-body .net{--sticker-max:max(16px, calc((100dvh - 190px) / 9.4))}.edit-body{padding-bottom:10px}.screen-head{padding-bottom:4px}.app-header{padding-top:calc(4px + var(--safe-top));padding-bottom:2px}}.color-chip{letter-spacing:.03em;color:#0b0f1a;background:var(--c-U);border-radius:99px;padding:0 10px;font-size:.9em;font-weight:800;line-height:1.5;display:inline-block}.color-chip[data-c=U]{background:var(--c-U)}.color-chip[data-c=R]{background:var(--c-R);color:#fff}.color-chip[data-c=F]{background:var(--c-F)}.color-chip[data-c=D]{background:var(--c-D)}.color-chip[data-c=L]{background:var(--c-L)}.color-chip[data-c=B]{background:var(--c-B);color:#fff}.scan{color:#fff;background:#05070d;flex-direction:column;flex:1;min-height:100dvh;display:flex;position:relative;overflow:hidden}.scan-video{object-fit:cover;background:#05070d;width:100%;height:100%;position:absolute;inset:0}.scan-top{z-index:2;padding:calc(10px + var(--safe-top)) 14px 6px;align-items:center;gap:12px;display:flex;position:relative}.scan-icon{color:#fff;background:#080b1499;border-color:#ffffff47}.scan-top-spacer{flex:none;width:48px}.scan-counter{text-align:center;letter-spacing:.01em;flex:1;font-weight:750}.scan-stage{z-index:1;flex:1;align-content:center;justify-items:center;gap:38px;padding:28px 16px 8px;display:grid;position:relative}.scan-frame{aspect-ratio:1;border:3px solid #fffffff2;border-radius:16px;width:min(84vw,44dvh,420px);position:relative;box-shadow:0 0 0 100vmax #05081094}.scan-frame.flash{animation:.4s ease-out shutter-flash}@keyframes shutter-flash{0%{background:#ffffffbf}to{background:0 0}}.scan-cells{grid-template-rows:repeat(3,1fr);grid-template-columns:repeat(3,1fr);display:grid;position:absolute;inset:0}.scan-cell{border:1px solid #ffffff73;place-items:center;display:grid}.scan-cell.is-center{background:#ffffff1a}.scan-dot{background:0 0;border:2px solid #fffffff2;border-radius:50%;place-items:center;width:40%;height:40%;font-size:clamp(10px,3.2vw,14px);font-weight:800;display:grid;box-shadow:0 1px 8px #0000008c}.scan-top-chip{border:2px solid var(--c-U);letter-spacing:.07em;white-space:nowrap;background:#080b14d9;border-radius:99px;align-items:center;gap:6px;padding:4px 12px 4px 8px;font-size:.75rem;font-weight:800;display:inline-flex;position:absolute;top:-12px;left:50%;transform:translate(-50%,-100%)}.scan-top-chip[data-c=U]{border-color:var(--c-U)}.scan-top-chip[data-c=R]{border-color:var(--c-R)}.scan-top-chip[data-c=F]{border-color:var(--c-F)}.scan-top-chip[data-c=D]{border-color:var(--c-D)}.scan-top-chip[data-c=L]{border-color:var(--c-L)}.scan-top-chip[data-c=B]{border-color:var(--c-B)}.scan-hold{background:#ffffff47;border-radius:99px;height:6px;position:absolute;bottom:-24px;left:10%;right:10%;overflow:hidden}.scan-hold-bar{background:var(--gradient);transform-origin:0;height:100%;display:block;transform:scaleX(0)}.scan-status{text-align:center;background:#080b14b3;border-radius:99px;max-width:min(92vw,460px);padding:6px 16px;font-size:.9rem;font-weight:600}.scan-status[data-tone=ok]{color:#6ee7a0}.scan-status[data-tone=warn]{color:#fcd34d}.scan-panel{z-index:2;color:#fff;background:#080b14b8;border-color:#ffffff2e;justify-content:space-between;align-items:center;gap:14px;width:calc(100% - 28px);max-width:560px;margin:0 auto;padding:12px 14px;display:flex;position:relative}.scan-panel .net-mini{--sticker:10px;flex:none}.scan-text{min-width:0}.scan-map{flex:none;justify-items:center;gap:6px;display:grid}.scan-fix-open{color:#fff;border:1px solid #ffffff47;gap:4px;min-height:32px;padding:0 10px;font-size:.78rem}.scan-fix-open:disabled{opacity:.45}.scan-fix{z-index:4;padding:16px 16px calc(16px + var(--safe-bottom));background:#05081099;place-items:end center;display:grid;position:absolute;inset:0}.scan-fix[hidden]{display:none}.scan-fix-card{color:#fff;background:#080b14eb;border-color:#ffffff2e;gap:14px;width:100%;max-width:560px;max-height:100%;padding:18px 16px;animation:.2s ease-out scan-fix-in;display:grid;overflow-y:auto}.scan-fix-card h2{outline:none;font-size:1.15rem;font-weight:750}.scan-fix-hint{color:#ffffffbf;margin-top:-8px;font-size:.85rem}@keyframes scan-fix-in{0%{opacity:0;transform:translateY(24px)}}@media (prefers-reduced-motion:reduce){.scan-fix-card{animation:none}}.scan-instruction{letter-spacing:-.01em;font-size:1.08rem;font-weight:750;line-height:1.6}.scan-hint{color:#ffffffbf;margin-top:4px;font-size:.82rem;line-height:1.4}.scan-dock{z-index:2;width:100%;max-width:560px;padding:12px 14px calc(14px + var(--safe-bottom));grid-template-columns:1fr auto 1fr;align-items:center;gap:8px;margin:0 auto;display:grid;position:relative}.scan-side-btn{white-space:nowrap;color:#fff;background:#080b14b3;border-color:#ffffff47;gap:6px;padding:0 8px;font-size:.85rem}.scan-dock .scan-side-btn:first-child{justify-self:start}.scan-dock .scan-side-btn:last-child{justify-self:end}.shutter{cursor:pointer;background:0 0;border:4px solid #fff;border-radius:50%;place-items:center;width:76px;height:76px;padding:4px;display:grid}.shutter-ring{background:#fff;border-radius:50%;width:100%;height:100%;transition:transform .12s}.shutter:active:not(:disabled) .shutter-ring{transform:scale(.86)}.shutter:disabled{opacity:.4}.scan-starting{z-index:3;background:#050810e0;place-content:center;justify-items:center;gap:14px;font-weight:600;display:grid;position:absolute;inset:0}.scan-failure{flex:1;place-items:center;padding:16px;display:grid}.scan-failure-card{text-align:center;justify-items:center;gap:14px;width:100%;max-width:460px;padding:28px 22px;display:grid}.scan-failure-card h1{letter-spacing:-.02em;font-size:1.5rem}.scan-failure-icon{background:var(--gradient);color:#fff;border-radius:50%;place-items:center;width:76px;height:76px;display:grid}.scan-failure-actions{gap:10px;width:100%;margin-top:6px;display:grid}@media (min-width:900px){.scan{height:100dvh;padding-right:var(--page-gutter);grid-template:"top top""stage."1fr"stage panel""stage dock""stage."1fr/minmax(0,1fr) clamp(340px,26vw,480px);column-gap:clamp(32px,4vw,96px);display:grid}.scan-top{padding-left:var(--page-gutter);grid-area:top;padding-right:0}.scan-stage{padding:8px 0 24px var(--page-gutter);grid-area:stage;gap:28px}.scan-frame{width:min(100dvh - 250px,760px,52vw)}.scan-panel{flex-direction:column;grid-area:panel;align-items:stretch;gap:16px;width:100%;margin:0;padding:18px}.scan-panel .net-mini{--sticker:14px}.scan-dock{grid-area:dock;width:100%;margin:0;padding:16px 0 0}.scan-fix{align-items:center}}.solve{flex-direction:column;flex:1;width:100%;max-width:1280px;min-height:0;margin:0 auto;display:flex}.solve-head{flex:none}.solve-stage{touch-action:none;flex:0 0 clamp(190px,28dvh,440px);min-height:0;position:relative}.solve-title{flex:1;min-width:0}.solve-meta{font-variant-numeric:tabular-nums;white-space:nowrap;text-overflow:ellipsis;font-size:.82rem;font-weight:600;overflow:hidden}@media (min-width:420px){.solve-meta{font-size:.88rem}}@media (max-width:24em){.solve-time{display:none}}.solve-actions{gap:8px;display:flex}.solve-actions .icon-btn{width:44px;height:44px}.stage-hint{z-index:2;background:var(--glass-strong);border:1px solid var(--glass-border);color:var(--fg-muted);white-space:nowrap;pointer-events:none;border-radius:999px;margin:0;padding:4px 12px;font-size:.78rem;font-weight:600;transition:opacity .4s;animation:.4s .6s both hint-in;position:absolute;top:2px;right:16px}.stage-hint.is-gone{opacity:0}@keyframes hint-in{0%{opacity:0}}.solve-side{flex-direction:column;flex:1;min-height:0;display:flex}.solve-info{flex-direction:column;flex:1;gap:10px;min-height:0;padding:6px 16px 12px;display:flex;overflow-y:auto}.solve-help{min-height:28px;color:var(--fg-muted);text-underline-offset:3px;flex:none;align-self:flex-start;align-items:center;font-size:.85rem;font-weight:600;text-decoration:underline;display:inline-flex}.solve-help:hover{color:var(--fg)}.move-scroll{overscroll-behavior:contain;flex:auto;min-height:108px;margin:0 -6px;padding:4px 6px;position:relative;overflow-y:auto}.solve-loading{color:var(--fg-muted);justify-items:center;gap:12px;padding:36px 0;font-weight:600;display:grid}.solve-error{gap:12px;padding:20px;display:grid}.solve-error h2{font-size:1.25rem}.solve-now{gap:8px;display:grid}.solve-counter{letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-size:1.5rem;font-weight:800}.solve-hint{min-height:3em;font-size:1.05rem;font-weight:600;line-height:1.45}.solve-step{align-items:flex-start;gap:12px;display:flex}.solve-step-text{flex:1;align-content:center;gap:2px;min-width:0;min-height:60px;display:grid}.solve-step .solve-hint{min-height:0}@media (max-width:599px){.solve-step .muted.small{display:none}}.solve-glyph{border:1px solid var(--glass-border);background:var(--glass);border-radius:14px;flex:none;place-items:center;width:60px;height:60px;display:grid}.solve-glyph .move-glyph{width:50px;height:50px}.move-glyph{--mg-u:#ffffff57;--mg-f:#ffffff38;--mg-r:#ffffff21;--mg-on-u:#c7d2fe;--mg-on-f:#a5b4fc;--mg-on-r:#818cf8;--mg-arrow:#fbbf24;--mg-halo:#0b0f1a;flex:none;display:block;overflow:visible}:root[data-theme=light] .move-glyph{--mg-u:#0f172a14;--mg-f:#0f172a26;--mg-r:#0f172a38;--mg-on-u:#818cf8;--mg-on-f:#6366f1;--mg-on-r:#4f46e5;--mg-arrow:#c2410c;--mg-halo:#fff}.move-glyph .mg-s{stroke:none}.move-glyph .mg-u{fill:var(--mg-u)}.move-glyph .mg-f{fill:var(--mg-f)}.move-glyph .mg-r{fill:var(--mg-r)}.move-glyph .mg-on.mg-u{fill:var(--mg-on-u)}.move-glyph .mg-on.mg-f{fill:var(--mg-on-f)}.move-glyph .mg-on.mg-r{fill:var(--mg-on-r)}.move-glyph .mg-arrow,.move-glyph .mg-arrow-halo{fill:none;stroke-linecap:round;stroke-linejoin:round}.move-glyph .mg-arrow{stroke:var(--mg-arrow);stroke-width:3.2px}.move-glyph .mg-arrow-halo{stroke:var(--mg-halo);stroke-width:6.4px;opacity:.85}.move-glyph .mg-head{fill:var(--mg-arrow);stroke:var(--mg-halo);stroke-width:1.2px;stroke-linejoin:round;paint-order:stroke}.move-glyph .mg-badge circle{fill:var(--mg-arrow)}.move-glyph .mg-badge text{fill:var(--mg-halo);font:800 10px var(--font);text-anchor:middle;dominant-baseline:central}.move-list{flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;display:flex}.move{border:1px solid var(--glass-border);background:var(--glass);min-width:52px;min-height:48px;color:var(--fg);font-family:var(--mono);cursor:pointer;border-radius:14px;padding:0 12px;font-size:1.05rem;font-weight:700;transition:background-color .15s,transform .12s,opacity .2s}.move:hover{border-color:var(--border-strong)}.move:active{transform:scale(.94)}.move.is-done{color:var(--fg-muted);background:0 0}.move.is-current{opacity:1;color:#fff;background:var(--gradient);border-color:#0000;transform:scale(1.06);box-shadow:0 4px 18px #4f46e573}.solve-dock{padding:14px 16px calc(14px + var(--safe-bottom));border-radius:var(--radius-lg) var(--radius-lg) 0 0;border-bottom:0;flex:none;gap:12px;display:grid}.solve-dock[hidden]{display:none}.controls{justify-content:space-between;align-items:center;gap:8px;display:flex}.control{width:54px;height:54px}.control:disabled{opacity:var(--disabled-opacity);cursor:not-allowed}.control-play{background:var(--gradient);color:#fff;border-color:#0000;width:74px;height:74px;box-shadow:0 8px 28px #4f46e573}.control-play:hover{border-color:#0000}.control-play.is-quiet{border-color:var(--glass-border);background:var(--glass);color:var(--fg);box-shadow:none}.control-play.is-quiet:hover{border-color:var(--border-strong);background:var(--glass-strong)}.speed{color:var(--fg-muted);grid-template-columns:auto 1fr 3.2em;align-items:center;gap:12px;font-size:.9rem;font-weight:600;display:grid}.speed output{color:var(--fg);text-align:right;font-variant-numeric:tabular-nums}.kbd-hint{color:var(--fg-muted);text-align:center;margin:0;font-size:.8rem;line-height:1.9;display:none}@media (hover:hover) and (pointer:fine) and (min-width:600px){.kbd-hint{display:block}}kbd{border:1px solid var(--glass-border);background:var(--glass);min-width:1.7em;color:var(--fg);text-align:center;border-bottom-width:2px;border-radius:6px;margin:0 2px;padding:0 5px;font-family:inherit;font-size:.75rem;font-weight:650;line-height:1.6;display:inline-block}input[type=range]{width:100%;height:48px;accent-color:var(--accent-a);cursor:pointer;background:0 0;margin:0}@media (min-width:900px),(min-width:600px) and (orientation:landscape){.solve{grid-template-rows:auto minmax(0,1fr);grid-template-columns:minmax(0,1fr) minmax(340px,440px);gap:0 28px;padding:0 24px 24px;display:grid}.solve-head{grid-column:1/-1;padding-left:0}.solve-stage{flex:none;min-height:0}.solve-side{border:1px solid var(--glass-border);border-radius:var(--radius-lg);background:var(--glass);overflow:hidden}.solve-dock{border:0;border-top:1px solid var(--glass-border);box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none;background:0 0;border-radius:0}}.solve-stage.is-flat{touch-action:auto;place-items:center;display:grid}.flat-stage{place-items:center;width:100%;padding:0 16px;display:grid;container-type:inline-size}.flat-note{max-width:11em;color:var(--fg-muted);text-align:right;pointer-events:none;margin:0;font-size:.75rem;line-height:1.35;position:absolute;top:4px;right:16px}.flat-stage .net{--sticker:min(var(--sticker-max), calc((100cqw - 8 * var(--gap) - 3 * var(--face-gap) - 8 * var(--face-pad)) / 12), calc((100cqh - 12px - 6 * var(--gap) - 2 * var(--face-gap) - 6 * var(--face-pad)) / 9))}@media (orientation:landscape) and (max-height:600px){.solve-dock .kbd-hint{display:none}}@media (orientation:portrait) and (max-height:720px),(orientation:landscape) and (min-width:600px) and (max-height:540px){.solve-info{gap:8px;padding:4px 16px 8px}.solve-now{grid-template-columns:auto minmax(0,1fr);align-items:center;gap:14px}.solve-counter{font-size:1.2rem}.solve-step{align-items:center;gap:10px}.solve-glyph{border-radius:12px;width:48px;height:48px}.solve-glyph .move-glyph{width:40px;height:40px}.solve-step-text{min-height:48px}.solve-step .solve-hint{font-size:.95rem;line-height:1.35}.solve-step .muted.small{display:none}.solve-info .move-scroll{scrollbar-width:none;flex:none;min-height:0;margin:0 -16px;padding:4px 16px;scroll-padding-inline:16px;overflow:auto hidden}.move-scroll .move-list{flex-wrap:nowrap;width:max-content}.move-scroll .move{min-width:48px;min-height:44px;padding:0 10px}.solve-dock{padding:10px 16px calc(10px + var(--safe-bottom));grid-template-areas:"controls""speed";gap:8px}.solve-dock .controls{grid-area:controls}.solve-dock .speed,.solve-dock .solve-finish{grid-area:speed}.solve-dock .speed input[type=range]{height:44px}.solve-dock .solve-finish{min-height:44px}.solve-dock:has(.solve-finish:not([hidden])) .speed{visibility:hidden}.solve-dock .kbd-hint{display:none}.control{width:48px;height:48px}.control-play{width:60px;height:60px}}@media (orientation:portrait) and (max-height:720px){.solve-stage{flex:1 1 0;min-height:120px}.solve-side,.solve-info{flex:0 auto}.solve-step-text{min-height:3.8475rem}}@media (orientation:landscape) and (min-width:600px) and (max-height:540px){.solve{padding-bottom:calc(12px + var(--safe-bottom))}.solve-info>:first-child{margin-top:auto}.solve-info>:last-child{margin-bottom:auto}.solve-dock{padding:8px 16px calc(8px + var(--safe-bottom));grid-template-columns:auto minmax(0,1fr);grid-template-areas:"controls speed";align-items:center;gap:12px}.solve-dock .controls{justify-content:flex-start;gap:6px}.solve-dock .control{width:44px;height:44px}.solve-dock .control-play{width:52px;height:52px}.solve-dock .speed{grid-template-columns:minmax(0,1fr) 2.6em;gap:6px}.solve-dock .speed label{display:none}.solve-dock .solve-finish{padding:0 14px}}@container (width<=19rem){.flat-note{display:none}}@media (max-height:520px) and (max-width:599px){.app[data-screen=solve]{height:auto;min-height:100dvh}.app[data-screen=solve] .screen-outlet{overflow:visible}}.confetti{z-index:50;pointer-events:none;width:100%;height:100%;position:fixed;inset:0}.solved{width:100%;max-width:1100px;padding:0 16px calc(20px + var(--safe-bottom));flex-direction:column;flex:1;margin:0 auto;display:flex}.solved-stage{touch-action:none;flex:0 0 clamp(200px,34dvh,420px);position:relative}.solved-copy{text-align:center;justify-items:center;gap:14px;margin:auto 0;display:grid}.solved-badge{color:#fff;background:linear-gradient(135deg,#059669,#10b981);border-radius:50%;place-items:center;width:68px;height:68px;animation:.5s cubic-bezier(.2,1.4,.4,1) both pop-in;display:grid;box-shadow:0 10px 34px #10b98173}@keyframes pop-in{0%{opacity:0;transform:scale(.3)}to{opacity:1;transform:none}}.solved-title{font-size:clamp(2.8rem,12vw,4.4rem)}.stats{grid-template-columns:1fr 1fr;gap:12px;width:100%;max-width:420px;margin:6px 0 0;display:grid}.stat-card{box-shadow:none;border-radius:18px;gap:2px;padding:14px 10px;display:grid}.stat-card dt{letter-spacing:.06em;text-transform:uppercase;color:var(--fg-muted);font-size:.8rem;font-weight:650}.stat-card dd{letter-spacing:-.02em;font-variant-numeric:tabular-nums;margin:0;font-size:1.7rem;font-weight:800}.solved-actions{gap:12px;width:100%;max-width:420px;margin-top:8px;display:grid}@media (min-width:900px){.solved{flex-direction:row;align-items:center;gap:56px;padding:0 24px 24px}.solved-stage{flex:1 1 0;align-self:stretch;min-height:420px}.solved-copy{text-align:left;flex:0 0 440px;justify-items:start;margin:0}.stats,.solved-actions{margin-inline:0}}@media (max-height:760px) and (max-width:899px) and (orientation:portrait){.solved{padding-bottom:calc(12px + var(--safe-bottom))}.solved-stage{flex-basis:clamp(110px,22dvh,420px)}.solved-copy{gap:8px}.solved-badge{width:48px;height:48px}.solved-badge svg{width:26px;height:26px}.solved-title{font-size:clamp(2.2rem,10vw,3rem)}.stats{margin-top:0}.stat-card{padding:8px 10px}.stat-card dd{font-size:1.35rem}.solved-actions{gap:8px;margin-top:4px}.solved-actions .btn-lg{min-height:50px}}@media (orientation:landscape) and (min-width:600px) and (max-width:899px) and (max-height:600px),(orientation:landscape) and (min-width:900px) and (max-height:520px){.solved{padding:0 20px calc(10px + var(--safe-bottom));flex-direction:row;align-items:center;gap:24px}.solved-stage{flex:1 1 0;align-self:stretch;min-height:0}.solved-copy{text-align:left;flex:0 0 min(400px,52%);justify-items:start;gap:8px;margin:0}.solved-badge{display:none}.solved-title{font-size:2.4rem}.stats{margin:0}.stat-card{padding:8px 10px}.stat-card dd{font-size:1.35rem}.solved-actions{gap:8px;margin:4px 0 0}.solved-actions .btn-lg{min-height:46px;font-size:1rem}}.page{flex:1;width:100%;max-width:760px;margin:0 auto;padding:8px 20px 40px}.page-center{place-items:center;display:grid}.doc{grid-template-columns:minmax(0,1fr);gap:36px;line-height:1.65;display:grid}.doc-head{gap:12px;padding-top:12px;display:grid}.doc-kicker{letter-spacing:.08em;text-transform:uppercase;color:var(--accent-text-a);font-size:.8rem;font-weight:700}.doc h1{letter-spacing:-.03em;font-size:clamp(2rem,6vw,2.8rem);line-height:1.15}.doc-lede{color:var(--fg-muted);font-size:1.15rem}.doc-meta{color:var(--fg-muted);font-size:.9rem}.doc section{grid-template-columns:minmax(0,1fr);gap:12px;display:grid}.doc h2{letter-spacing:-.015em;font-size:1.35rem;line-height:1.3}.doc ul,.doc ol{gap:8px;margin:0;padding-left:1.4em;display:grid}.doc-head>p,.doc section>:is(p,ul,ol,details){max-width:68ch}.doc a:not(.btn),.site-footer a{color:var(--accent-text-a);text-underline-offset:3px}.doc code{border:1px solid var(--glass-border);background:var(--glass-strong);font-family:var(--mono);border-radius:6px;padding:1px 6px;font-size:.92em}.doc .btn{justify-self:start;text-decoration:none}.notation{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px;margin:0;display:grid}.notation div{border:1px solid var(--glass-border);background:var(--glass);border-radius:12px;align-items:center;gap:10px;padding:8px 12px;display:flex}.notation dt{font-family:var(--mono);font-size:1.1rem;font-weight:800}.notation dd{color:var(--fg-muted);margin:0}.doc details{border:1px solid var(--glass-border);border-radius:var(--radius);background:var(--glass)}.doc summary{cursor:pointer;min-height:48px;padding:12px 16px;font-weight:650}.doc details p{color:var(--fg-muted);padding:0 16px 14px}.doc-toc ul{flex-wrap:wrap;gap:8px;padding:0;list-style:none;display:flex}.doc-toc a:not(.btn){border:1px solid var(--glass-border);background:var(--glass);min-height:40px;color:var(--fg);border-radius:999px;align-items:center;padding:0 14px;font-size:.9rem;font-weight:600;text-decoration:none;display:inline-flex}.doc-toc a:hover{border-color:var(--border-strong)}.doc [id]{scroll-margin-top:16px}.move-group{gap:10px}.doc .move-group h3{align-items:center;gap:10px;font-size:1.05rem;display:flex}.face-letter{background:var(--gradient);color:#fff;width:32px;height:32px;font-family:var(--mono);border-radius:9px;place-items:center;font-weight:800;display:inline-grid}.face-where{color:var(--fg-muted);font-weight:500}.move-cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.move-card{border:1px solid var(--glass-border);border-radius:var(--radius);background:var(--glass);justify-items:center;gap:6px;margin:0;padding:14px 8px 12px;display:grid}.move-card .move-glyph{width:min(88px,100%);height:auto}.move-card figcaption{text-align:center;justify-items:center;gap:2px;line-height:1.3;display:grid}.doc .move-card code{background:0 0;border:0;padding:0;font-size:1.15rem;font-weight:800}.move-card span{color:var(--fg-muted);font-size:.85rem}.doc .alg-steps{counter-reset:step;grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:10px;max-width:480px;padding:0;list-style:none;display:grid}.alg-steps li{border:1px solid var(--glass-border);border-radius:var(--radius);background:var(--glass);counter-increment:step;justify-items:center;gap:4px;min-width:0;padding:14px 6px 10px;display:grid;position:relative}.alg-steps .move-glyph{width:min(64px,100%);height:auto}.alg-steps li:before{content:counter(step);color:var(--fg-muted);font-size:.75rem;font-weight:700;position:absolute;top:6px;left:8px}.doc .alg-steps code{background:0 0;border:0;padding:0;font-size:1.1rem;font-weight:800}.not-found{text-align:center;justify-items:center;gap:14px;max-width:460px;padding:32px 0;display:grid}.not-found-code{letter-spacing:-.05em;background:var(--gradient-text);color:#0000;-webkit-background-clip:text;background-clip:text;font-size:clamp(5rem,22vw,8rem);font-weight:850;line-height:1}.not-found h1{letter-spacing:-.02em;font-size:1.8rem}.not-found-actions{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:8px;display:flex}.not-found-actions .btn{text-decoration:none}.site-footer{padding:18px 16px calc(18px + var(--safe-bottom));color:var(--fg-muted);text-align:center;justify-items:center;gap:6px;font-size:.85rem;display:grid}.home .site-footer{grid-area:footer;padding:4px 0 0}.page-app .site-footer{border-top:1px solid var(--glass-border)}.site-footer ul{flex-wrap:wrap;justify-content:center;gap:4px;margin:0;padding:0;list-style:none;display:flex}.site-footer li a{min-height:32px;color:var(--fg-muted);border-radius:8px;align-items:center;padding:0 10px;font-weight:600;text-decoration:none;display:inline-flex}.site-footer li a:hover,.site-footer li a[aria-current=page]{color:var(--fg);background:var(--glass)}@media (min-width:900px){:root{--page-gutter:max(clamp(24px, 2.5vw, 56px), calc((100vw - 2560px) / 2))}.app-header,.screen-head{padding-inline:var(--page-gutter)}.home,.edit-body,.solve,.solved{max-width:none;padding-inline:var(--page-gutter)}.solve .solve-head{padding-inline:0}.edit-body{grid-template-columns:minmax(0,1fr) clamp(340px,30vw,420px);gap:clamp(32px,4vw,80px)}.solve-side{align-self:center;max-height:100%}.move-scroll{flex:0 auto}}@media (min-width:900px) and (min-height:601px){.home{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);column-gap:clamp(40px,5vw,128px)}.title{font-size:clamp(4.6rem,min(6.4vw,10.5dvh),8.5rem)}.tagline{font-size:clamp(1.3rem,min(1.6vw,2.6dvh),2rem)}.lede{max-width:42ch;font-size:clamp(.95rem,min(1.1vw,1.8dvh),1.3rem)}.home-actions{max-width:clamp(460px,31vw,640px)}.home-actions .btn-lg{min-height:clamp(60px,6.4dvh,76px);font-size:clamp(1.08rem,1.15vw,1.3rem)}.edit-body .net{--sticker-max:clamp(40px, calc((100dvh - 250px) / 9.6), 128px)}.solve{grid-template-columns:minmax(0,1fr) clamp(400px,28vw,560px);column-gap:clamp(28px,3vw,64px)}.solved{gap:clamp(40px,5vw,128px)}.solved-copy{flex-basis:clamp(440px,30vw,600px)}.solved-title{font-size:clamp(4.4rem,min(5.6vw,9dvh),7rem)}.solved-copy .stats,.solved-copy .solved-actions{max-width:none}}@media (min-width:1100px){.doc section:has(>.move-group){grid-template-columns:repeat(2,minmax(0,1fr));column-gap:20px}.doc section:has(>.move-group)>:not(.move-group){grid-column:1/-1}}@media (min-width:1400px){.page{max-width:880px}.doc{font-size:1.0625rem}}@media (min-width:1400px) and (min-height:860px){.edit-body{grid-template-columns:minmax(0,1fr) clamp(420px,26vw,600px)}.edit-body .net{--gap:4px;--face-gap:12px}.edit-side .swatch{min-height:60px;font-size:1.05rem}.edit-side .dock-actions .btn{min-height:56px}.edit-side .status{font-size:1.05rem}.solve-info{gap:14px;padding:12px 22px 16px}.solve-counter{font-size:1.85rem}.solve-hint{font-size:1.2rem}.solve-glyph{border-radius:16px;width:76px;height:76px}.solve-glyph .move-glyph{width:64px;height:64px}.solve-step-text{min-height:76px}.move-list{gap:10px}.move{min-width:60px;min-height:54px;font-size:1.18rem}.solve-dock{gap:14px;padding:18px 22px 20px}.control{width:62px;height:62px}.control svg{width:26px;height:26px}.control-play{width:84px;height:84px}.control-play svg{width:30px;height:30px}.speed{font-size:1rem}.stat-card dd{font-size:2.1rem}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}progress::-webkit-progress-value{transition-duration:.001ms!important}}@media (forced-colors:active){.sticker,.css-sticker,.swatch{forced-color-adjust:none}.sticker,.css-sticker{border:1px solid canvastext}.move.is-current{outline-offset:2px;outline:3px solid highlight}}