@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/nunito-cyrillic-ext-400-normal-CuPM9foi.woff2) format("woff2"),url(/assets/nunito-cyrillic-ext-400-normal-xaE7D4Sw.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/nunito-cyrillic-400-normal-xAOo5cBP.woff2) format("woff2"),url(/assets/nunito-cyrillic-400-normal-D1j0u8EH.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/nunito-vietnamese-400-normal-BHkVbP3T.woff2) format("woff2"),url(/assets/nunito-vietnamese-400-normal-DtOtW02z.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/nunito-latin-ext-400-normal-i-8OOpdj.woff2) format("woff2"),url(/assets/nunito-latin-ext-400-normal-CjMJVfGn.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/nunito-latin-400-normal-r8SDr6Up.woff2) format("woff2"),url(/assets/nunito-latin-400-normal-DKg4f3fz.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/nunito-cyrillic-ext-700-normal-BuR0mlCG.woff2) format("woff2"),url(/assets/nunito-cyrillic-ext-700-normal-DfoqN4Gs.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/nunito-cyrillic-700-normal-DP36NgGt.woff2) format("woff2"),url(/assets/nunito-cyrillic-700-normal-DfHRUDv-.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/nunito-vietnamese-700-normal-Ch8EUCfz.woff2) format("woff2"),url(/assets/nunito-vietnamese-700-normal-C9SQsXvj.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/nunito-latin-ext-700-normal-BWeMsAzO.woff2) format("woff2"),url(/assets/nunito-latin-ext-700-normal-D4woHhbd.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/nunito-latin-700-normal-Dort48En.woff2) format("woff2"),url(/assets/nunito-latin-700-normal-OcDqTBcA.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/nunito-cyrillic-ext-800-normal-B-cvGohL.woff2) format("woff2"),url(/assets/nunito-cyrillic-ext-800-normal-pjRatrRO.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/nunito-cyrillic-800-normal-D3igD7Kl.woff2) format("woff2"),url(/assets/nunito-cyrillic-800-normal-DymMgApb.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/nunito-vietnamese-800-normal-D_CZYdm9.woff2) format("woff2"),url(/assets/nunito-vietnamese-800-normal-Dz0hZPb5.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/nunito-latin-ext-800-normal-CtU8tJOV.woff2) format("woff2"),url(/assets/nunito-latin-ext-800-normal-CDcxIxx8.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/nunito-latin-800-normal-Dz8SOQK_.woff2) format("woff2"),url(/assets/nunito-latin-800-normal-D-J0wlBY.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:900;src:url(/assets/nunito-cyrillic-ext-900-normal-BLeVovcl.woff2) format("woff2"),url(/assets/nunito-cyrillic-ext-900-normal-DKFql_-q.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:900;src:url(/assets/nunito-cyrillic-900-normal-CWPcV0_V.woff2) format("woff2"),url(/assets/nunito-cyrillic-900-normal-Dr1fjxoU.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:900;src:url(/assets/nunito-vietnamese-900-normal-D6LWQAy_.woff2) format("woff2"),url(/assets/nunito-vietnamese-900-normal-WV2-fBew.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:900;src:url(/assets/nunito-latin-ext-900-normal-Dllsvgjo.woff2) format("woff2"),url(/assets/nunito-latin-ext-900-normal-CTBZd6bf.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:900;src:url(/assets/nunito-latin-900-normal-BVB1fGs6.woff2) format("woff2"),url(/assets/nunito-latin-900-normal-CVn49sIn.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--ink: #0e140f;--muted: #5c675e;--paper: #ffffff;--line: #e6e9e6;--green: #5b964e;--yellow: #f7c12c;--neutral: #edeff1;--on-yellow: #0e140f;--tile-edge: rgba(14, 20, 15, .14);--tile-green: var(--green);--tile-green-text: rgba(255, 255, 255, .92);--tile-yellow: var(--yellow);--tile-yellow-text: var(--on-yellow);--tile-neutral: var(--neutral);--hint-ring: #509ce5;--spring: cubic-bezier(.19, 1, .22, 1);--ad-h: 0px;--board-size: min(100%, 500px, calc(100dvh - 21rem - var(--ad-h)));color-scheme:light;font-family:Nunito,ui-rounded,ui-sans-serif,system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-text-size-adjust:100%}:root[data-theme=dark]{--ink: #eef2ed;--muted: #9aa79c;--paper: #151a16;--line: #262d27;--neutral: #262d28;--tile-edge: rgba(0, 0, 0, .35);color-scheme:dark;color:var(--ink);background:var(--paper)}:root[data-colorblind="1"]{--green: #85c0f9;--yellow: #f5793a;--on-yellow: #fff;--tile-green-text: #0e140f;--hint-ring: #cc3e91}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;overscroll-behavior:none}button{font:inherit;color:inherit;border:0;background:none;padding:0;touch-action:manipulation}button:not(:disabled){cursor:pointer}button:not(:disabled):active{transform:scale(.96)}:focus-visible{outline:3px solid var(--ink);outline-offset:2px}.app{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh}:root[data-ads="1"]{--ad-h: 70px}.ad-slot{height:calc(var(--ad-h) + env(safe-area-inset-bottom));padding:0 max(.5rem,env(safe-area-inset-right)) env(safe-area-inset-bottom) max(.5rem,env(safe-area-inset-left));display:flex;justify-content:center;align-items:center;border-top:1px solid var(--line);background:var(--paper);overflow:hidden}ins.adsbygoogle[data-ad-status=unfilled]{display:none!important}.ad-slot .adsbygoogle{width:100%;max-width:740px;height:50px}@media(min-width:768px){.ad-slot .adsbygoogle{height:90px}}.ad-rail{display:none}@media(min-width:1180px){.ad-rail{display:block;position:fixed;top:50%;transform:translateY(-50%);width:160px;height:600px;overflow:hidden;background:var(--paper)}.ad-rail--left{left:calc(50% - 476px)}.ad-rail--right{left:calc(50% + 316px)}.ad-rail .adsbygoogle{width:160px;height:600px}}.header{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.6rem max(.9rem,env(safe-area-inset-right)) .6rem max(.9rem,env(safe-area-inset-left));padding-top:max(.6rem,env(safe-area-inset-top));border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:.5rem;min-width:0}.brand-mark{width:clamp(46px,13vw,56px);height:auto;background:#fff;border-radius:15%;padding:4.5%;display:block}.brand-name{font-size:clamp(1.3rem,5.4vw,1.6rem);font-weight:900;letter-spacing:-.02em;white-space:nowrap}.brand-name em{font-style:normal}.header-controls{display:flex;align-items:center;gap:.45rem}.help-btn{width:36px;height:36px;flex-shrink:0;display:grid;place-items:center;padding:0;border-radius:50%;background:var(--neutral);color:var(--muted);font-weight:900;font-size:1rem;line-height:1}.signin-btn{min-height:36px;padding:0 .9rem;border-radius:999px;background:var(--green);color:#fff;font-size:.9rem;font-weight:800;white-space:nowrap}.hint-pill{display:flex;align-items:center;gap:.25rem;min-height:32px;padding:0 .6rem;border-radius:999px;background:var(--yellow);color:var(--on-yellow);font-size:.9rem;font-weight:900;font-variant-numeric:tabular-nums}.hint-pill:disabled{opacity:.4}@media(hover:hover){.help-btn:hover{filter:brightness(.96)}}.segmented{display:flex;gap:2px;padding:3px;background:var(--neutral);border-radius:999px}.segmented button{padding:.4rem clamp(.5rem,2.2vw,.85rem);border-radius:999px;font-size:clamp(.78rem,3.4vw,.9rem);font-weight:800;color:var(--muted);transition:background-color .25s var(--spring),color .25s var(--spring),opacity .25s ease}.segmented button.is-active{background:var(--green);color:#fff}.segmented button.is-done{opacity:.6}.segmented button.is-done .picker-label{text-decoration:line-through;text-decoration-thickness:2px}.segmented button.is-done.is-active{background:var(--muted);color:var(--paper);opacity:.85}.howto-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:1rem;background:#0e140f8c}.howto-card{position:relative;width:min(100%,420px);max-height:calc(100dvh - 2rem);overflow-y:auto;display:grid;gap:.7rem;justify-items:center;text-align:center;padding:1.4rem 1.2rem 1.2rem;border-radius:20px;border:4px solid var(--ink);background:var(--paper)}.howto-close{position:absolute;top:.7rem;right:.7rem;width:36px;height:36px;display:grid;place-items:center;border-radius:50%;background:var(--neutral);color:var(--muted);font-weight:800}.howto-eyebrow{margin:0;font-size:.75rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--green)}.howto-title{margin:0;font-size:1.5rem;font-weight:900;letter-spacing:-.02em}.howto-body{margin:0;min-height:2.6em;color:var(--muted);font-weight:700;font-size:.95rem;line-height:1.4}.demo-wrap{display:grid;gap:.6rem;justify-items:center}.demo-row{display:grid;grid-template-columns:repeat(5,52px);grid-auto-rows:52px;gap:5px}.demo-box{display:grid;grid-template-columns:repeat(3,52px);grid-auto-rows:52px;gap:5px;padding:6px;border:3px solid var(--ink);border-radius:14px}.demo-row .tile,.demo-box .tile{font-size:1.35rem}.demo-grid{display:grid;grid-template-columns:repeat(3,24px) 2px repeat(3,24px) 2px repeat(3,24px);grid-template-rows:repeat(3,24px) 2px repeat(3,24px) 2px repeat(3,24px);gap:2px;padding:4px;border:3px solid var(--ink);border-radius:12px;background:var(--paper)}.demo-grid .tile{display:flex;align-items:center;justify-content:center;font-size:.68rem;font-weight:800;border-radius:5px;border-bottom-width:2px}.demo-stars{margin:0;font-size:1.15rem;font-weight:800;color:var(--muted)}.demo-stars .stars{font-size:1.5rem}.demo-stars strong{color:var(--ink);font-weight:900}.hint-inline{white-space:nowrap;font-weight:800;color:var(--ink)}.demo-counter{margin:0;color:var(--muted);font-size:.9rem;font-weight:700}.demo-counter strong{color:var(--ink);font-size:1.15rem;font-weight:900;font-variant-numeric:tabular-nums}.demo-info{margin:0;min-height:3.9em;max-width:30ch;color:var(--muted);font-weight:700;font-size:.9rem;line-height:1.4}.demo-row.board--solved .tile{animation:tile-pop .55s var(--spring) both}.howto-footer{width:100%;display:grid;gap:.7rem;justify-items:center}.howto-dots{display:flex;gap:6px}.howto-dots i{width:8px;height:8px;border-radius:50%;background:var(--line);transition:background-color .25s ease,transform .25s var(--spring)}.howto-dots i.is-active{background:var(--green);transform:scale(1.25)}.howto-actions{display:flex;gap:.6rem}.confirm-card{width:min(100%,330px)}.confirm-card .howto-body strong{color:var(--ink)}.settings-section{width:100%;display:grid;gap:.55rem;justify-items:center;padding-top:.4rem}.settings-label{margin:0;font-size:.75rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}.settings-hint{margin:0;color:var(--muted);font-size:.8rem;font-weight:600;max-width:32ch}.chip-row{display:flex;flex-wrap:wrap;justify-content:center;gap:.45rem}.chip-row .btn{padding:.5rem .85rem;min-height:40px;font-size:.9rem}.privacy-link{color:var(--muted);font-size:.8rem;font-weight:700;text-decoration:underline;text-underline-offset:3px}.content{flex:1;display:flex;flex-direction:column;align-items:center;padding:.9rem max(.9rem,env(safe-area-inset-right)) .9rem max(.9rem,env(safe-area-inset-left))}.content>*{margin-block:auto}.game{width:var(--board-size);display:grid;gap:.75rem}.game-status{display:flex;align-items:center;justify-content:center;gap:.9rem;min-height:2.4rem}.status-label{font-size:.8rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}.status-right{display:flex;align-items:center;gap:.7rem}.status-stars{font-size:1.7rem;line-height:1}.status-swaps{position:relative;color:var(--muted);font-size:1.05rem;font-weight:700;white-space:nowrap}.swap-penalty{position:absolute;right:0;top:-.4rem;font-style:normal;font-weight:900;font-size:.9rem;color:var(--yellow-penalty, #b8860b);animation:penalty-float 1.1s ease-out forwards;pointer-events:none}@keyframes penalty-float{0%{opacity:0;transform:translateY(.3rem)}25%{opacity:1}to{opacity:0;transform:translateY(-1.1rem)}}.status-swaps strong{color:var(--ink);font-size:1.7rem;font-weight:900;font-variant-numeric:tabular-nums}.solved-pill{margin-inline:auto;padding:.3rem 1.1rem;border-radius:999px;display:inline-flex;align-items:center;gap:.55rem;background:var(--green);color:#fff;font-weight:900}.solved-pill .stars{font-size:1.1rem}.board{width:100%;aspect-ratio:1;display:grid;grid-template-columns:1fr 1fr 1fr 3px 1fr 1fr 1fr 3px 1fr 1fr 1fr;grid-template-rows:1fr 1fr 1fr 3px 1fr 1fr 1fr 3px 1fr 1fr 1fr;gap:3px;padding:6px;border:4px solid var(--ink);border-radius:18px;background:var(--paper);user-select:none;-webkit-user-select:none}.board-divider{background:var(--ink);border-radius:2px}.tile{min-width:0;min-height:0;display:flex;align-items:center;justify-content:center;border-radius:16%;border-bottom:4px solid var(--tile-edge);font-size:clamp(.95rem,4.3vw,1.6rem);font-weight:800;line-height:1;transition:transform .35s var(--spring),background-color .3s ease,box-shadow .25s var(--spring),color .45s ease}.tile--green{background:var(--tile-green);color:var(--tile-green-text)}.tile--white{background:var(--tile-neutral);color:var(--ink)}.tile--yellow{background:var(--tile-yellow);color:var(--tile-yellow-text)}.tile--selected{transform:scale(1.16);box-shadow:0 6px 14px #0e140f4d;outline:3px solid var(--ink);outline-offset:-1px;z-index:3;position:relative}@media(hover:hover){.tile:not(:disabled):hover{filter:brightness(.95)}}.board--solved .tile{animation:tile-pop .55s var(--spring) both}@keyframes tile-pop{0%{transform:scale(1)}45%{transform:scale(1.18)}to{transform:scale(1)}}.tile--hint{position:relative;z-index:2;animation:tile-hint 1.3s ease-in-out infinite}@keyframes tile-hint{0%,to{box-shadow:0 0 0 4px var(--hint-ring);transform:scale(1.06)}50%{box-shadow:0 0 0 7px var(--hint-ring);transform:scale(1.18)}}.tile--perfect{animation:tile-slam .7s cubic-bezier(.34,1.2,.5,1) .32s;position:relative;z-index:4}@keyframes tile-slam{0%{transform:scale(1);box-shadow:0 0 color-mix(in srgb,var(--tile-green) 0%,transparent)}28%{transform:scale(1.45);box-shadow:0 10px 18px #0e140f59}42%{transform:scale(.78,.72);box-shadow:0 0 0 2px color-mix(in srgb,var(--tile-green) 70%,transparent)}58%{transform:scale(1.12,1.16);box-shadow:0 0 0 14px color-mix(in srgb,var(--tile-green) 25%,transparent)}74%{transform:scale(.96)}to{transform:scale(1);box-shadow:0 0 0 24px color-mix(in srgb,var(--tile-green) 0%,transparent)}}.board--shuffling .tile,.board--skeleton .tile{pointer-events:none}.board--skeleton .tile{color:transparent}.board--celebrating .tile{pointer-events:none;color:#0e140fcc}.tile--nodigit{color:transparent}.legend{display:flex;justify-content:center;flex-wrap:wrap;gap:.3rem 1.1rem;color:var(--muted);font-size:.78rem;font-weight:700}.legend span{display:flex;align-items:center;gap:.35rem}.dot{width:12px;height:12px;border-radius:4px}.dot--green{background:var(--tile-green)}.dot--neutral{background:var(--tile-neutral)}.dot--yellow{background:var(--tile-yellow)}.btn{padding:.65rem 1.1rem;min-height:44px;border-radius:12px;background:var(--neutral);color:var(--ink);font-size:.95rem;font-weight:800;transition:transform .15s var(--spring),background-color .2s ease}.btn:disabled{opacity:.4}@media(hover:hover){.btn:not(:disabled):hover{filter:brightness(.96)}}.btn--green{background:var(--green);color:#fff}.btn--yellow{background:var(--yellow);color:var(--on-yellow)}.btn--icon{min-width:44px;padding:.4rem 0;font-size:1.5rem;line-height:1}.btn--quiet{background:none;color:var(--muted);text-decoration:underline;text-underline-offset:3px}.done-card{width:100%;display:grid;justify-items:center;gap:.35rem;padding:1rem;border-radius:16px;background:var(--neutral)}.done-card .stars{font-size:1.7rem;line-height:1.1}.done-title{margin:0;font-weight:900;font-size:1.05rem}.done-note{margin:0;color:var(--muted);font-size:.85rem;font-weight:700;text-align:center}.daily-picker,.daily-picker .segmented{width:100%}.daily-picker .segmented button{flex:1;min-height:52px;display:grid;justify-items:center;align-content:center;gap:1px;padding-block:.3rem}.picker-stars{font-size:.66rem;letter-spacing:.08em;opacity:.85}.tab-bar{display:flex;justify-content:center;gap:.6rem;padding:.55rem max(.9rem,env(safe-area-inset-right));padding-bottom:max(.55rem,env(safe-area-inset-bottom));padding-left:max(.9rem,env(safe-area-inset-left));border-top:1px solid var(--line);background:var(--paper)}:root[data-ads="1"] .tab-bar{padding-bottom:.55rem}.tab-bar button{flex:1;max-width:190px;min-height:46px;border-radius:12px;font-weight:800;color:var(--muted);transition:background-color .25s var(--spring),color .25s var(--spring)}.tab-bar button.is-active{background:var(--green);color:#fff}.tab-bar--top{position:sticky;top:.5rem;z-index:10;border-top:0;width:fit-content;justify-self:center;gap:.35rem;padding:.35rem;border-radius:999px;background:var(--neutral)}.tab-bar--top button{flex:0 0 auto;min-height:42px;padding:0 1.3rem;border-radius:999px}.board-nav-position{min-width:3.4rem;text-align:center;font-weight:800;font-variant-numeric:tabular-nums;color:var(--muted)}.archive{width:min(100%,560px);display:grid;gap:1.3rem;padding-block:.3rem}.archive-group{display:grid;gap:.6rem}.archive-group h2{margin:0;display:flex;align-items:baseline;gap:.5rem;font-size:1.05rem;font-weight:900}.archive-group h2 span{color:var(--muted);font-size:.8rem;font-weight:700}.archive-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(50px,1fr));gap:6px}.chip{min-height:46px;padding:4px 0;border-radius:10px;display:grid;place-items:center;align-content:center;background:var(--neutral);color:var(--ink);font-weight:800}.chip--solved{background:var(--green);color:#fff}.chip--daily{outline:2px solid var(--yellow);outline-offset:1px}.chip-number{font-size:.92rem;line-height:1.1}.chip-stars{font-size:.62rem;opacity:.9}.archive-footer{display:flex;justify-content:center}.calendar{width:100%;max-width:480px;justify-self:center;display:grid;gap:.7rem}.cal-nav{display:flex;align-items:center;justify-content:space-between}.cal-title{font-size:1.15rem;font-weight:900}.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:5px}.cal-weekday{text-align:center;font-size:.7rem;font-weight:800;color:var(--muted);padding-bottom:2px}.cal-day{aspect-ratio:1;min-height:44px;border-radius:10px;background:var(--neutral);display:grid;justify-items:center;align-content:center;gap:3px}.cal-day:disabled{opacity:.35;background:none}.cal-day--selected{outline:3px solid var(--ink);outline-offset:-1px}.cal-day--today .cal-num{color:var(--green)}.cal-num{font-size:.85rem;font-weight:800;line-height:1}.cal-tiles{display:flex;gap:2px}.cal-tile{width:9px;height:9px;border-radius:3px}.cal-tile--green{background:var(--tile-green)}.cal-tile--yellow{background:var(--tile-yellow)}.cal-tile--empty{box-shadow:inset 0 0 0 1.5px var(--muted);opacity:.45}.cal-detail{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem}.cal-detail .btn{display:grid;justify-items:center;gap:2px;padding:.55rem .4rem}.cal-detail-label{font-weight:800}.cal-detail-stars{font-size:.72rem;letter-spacing:.08em}.play{width:var(--board-size);display:grid;gap:.5rem}.play-toolbar{display:flex;align-items:center;justify-content:space-between}.play-nav{display:flex;align-items:center;gap:.35rem}.stats-soon{margin:.3rem 0 0;padding:.4rem 1rem;border-radius:999px;background:var(--neutral);color:var(--muted);font-size:.8rem;font-weight:800}.stars{color:var(--yellow);letter-spacing:.06em}.stats-today{margin:0;display:grid;justify-items:center;gap:2px;color:var(--muted);font-size:.8rem;font-weight:800}.stats-today .stars{font-size:1.4rem;line-height:1.1}.stats-today-row{margin:0;display:flex;align-items:baseline;gap:.5rem}.stats-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem 1.3rem}.stats-grid div{display:grid;justify-items:center}.stats-grid strong{font-size:1.5rem;font-weight:900;font-variant-numeric:tabular-nums}.stats-grid span{color:var(--muted);font-size:.7rem;font-weight:700}.stats-histogram{width:100%;display:grid;gap:5px}.stats-bar-row{display:grid;grid-template-columns:2.1rem 1fr;align-items:center;gap:7px}.stats-bar-label{text-align:right;font-size:.75rem;font-weight:800;color:var(--muted)}.stats-bar-track{height:20px;border-radius:6px;background:var(--neutral)}.stats-bar{height:100%;min-width:4px;border-radius:6px;background:var(--green);display:flex;align-items:center;justify-content:flex-end;padding-right:6px;color:#fff;font-size:.7rem;font-weight:800;transition:width .4s var(--spring)}.stats-card{width:min(100%,460px)}.stats-tabs{width:100%}.stats-tabs button{flex:1;min-height:40px}.stats-countdown{margin:.2rem 0 0;color:var(--muted);font-size:.85rem;font-weight:700}.stats-countdown strong{color:var(--ink);font-variant-numeric:tabular-nums}.lb-board{width:100%;display:grid;gap:.55rem;justify-items:center}.lb-rank--1{background:#f6c445;color:#5c4508}.lb-rank--2{background:#c9ced6;color:#454b54}.lb-rank--3{background:#d9975c;color:#59340e}.lb-rank--1,.lb-rank--2,.lb-rank--3{border-radius:50%;width:1.5rem;height:1.5rem;display:grid;place-items:center}.lb-metric{display:flex;align-items:center;gap:.35rem;justify-content:flex-end;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}.lb-tabs{width:100%}.lb-tabs button{flex:1;min-height:38px}.lb-note--sub{font-size:.75rem;margin-top:-.4rem}.lb-podium{width:100%;display:grid;grid-template-columns:1fr 1fr 1fr;gap:.5rem;align-items:end}.lb-podium-card{display:grid;justify-items:center;gap:4px;padding:.7rem .4rem .55rem;border-radius:14px;background:var(--neutral)}.lb-podium-card--1{padding-top:1.1rem;background:color-mix(in srgb,#f6c445 22%,var(--neutral))}.lb-podium-card--2{background:color-mix(in srgb,#c9ced6 30%,var(--neutral))}.lb-podium-card--3{background:color-mix(in srgb,#d9975c 22%,var(--neutral))}.lb-avatar--big{width:44px;height:44px}.lb-podium-name{font-size:.78rem;font-weight:800;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lb-podium-streak{font-size:.85rem;font-weight:900;font-variant-numeric:tabular-nums}.leaderboard{width:100%;display:grid;gap:.6rem;justify-items:center;border-top:1px solid var(--line);padding-top:.8rem}.lb-picker button{padding:.35rem .9rem}.lb-note{margin:0;color:var(--muted);font-size:.85rem;font-weight:700}.lb-list{width:100%;margin:0;padding:0;list-style:none;display:grid;gap:4px}.lb-row{display:grid;grid-template-columns:1.6rem 28px 1fr auto;align-items:center;gap:.5rem;padding:.3rem .55rem;border-radius:10px;background:var(--neutral);font-size:.85rem;font-weight:700;text-align:left}.lb-row--me{outline:2px solid var(--green);outline-offset:-2px}.lb-rank{color:var(--muted);font-weight:900;font-variant-numeric:tabular-nums}.lb-avatar{width:28px;height:28px;border-radius:50%;object-fit:cover}.lb-avatar--empty{background:var(--line);display:inline-block}.lb-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lb-swaps{color:var(--muted);font-variant-numeric:tabular-nums}.lb-stars{font-size:.75rem}.tools{color:var(--muted);font-size:.85rem}.tools summary{cursor:pointer;font-weight:800;color:var(--muted)}.tools dl{display:grid;gap:.35rem;margin:.6rem 0 0}.tools dl div{display:grid;grid-template-columns:6rem 1fr;gap:.75rem}.tools dt{font-weight:700}.tools dd{margin:0;overflow-wrap:anywhere}.status,.error{width:var(--board-size);margin:0;padding:1rem;border-radius:12px;text-align:center;font-weight:700}.status{background:var(--neutral);color:var(--muted)}.error{color:#8f1d18;background:#f9dedc}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:767px){.help-btn--desktop{display:none}.signin-btn{padding:0 .7rem;font-size:.85rem}:root{--board-size: min(100%, 500px, calc(100dvh - 18.5rem - var(--ad-h)))}.legend{display:none}.game-status{min-height:2rem}.status-stars{font-size:1.3rem}.status-swaps{font-size:.9rem}.status-swaps strong{font-size:1.25rem}.daily-picker .segmented button{min-height:42px;padding-block:.2rem}.daily-picker .segmented button .picker-label{font-size:.82rem}.picker-stars{font-size:.56rem}}@media(min-width:768px){:root{--board-size: min(100%, 540px, calc(100dvh - 22rem - var(--ad-h)))}:root[data-ads="1"]{--ad-h: 98px}.brand-mark{width:68px}.brand-name{font-size:2.1rem}.header{padding-block:.8rem}.header-controls{gap:.6rem}.help-btn{width:46px;height:46px}.help-btn svg{width:20px;height:20px}.help-btn{font-size:1.2rem}.signin-btn{min-height:46px;padding:0 1.2rem;font-size:1.05rem}.btn{font-size:1.05rem}.segmented button{font-size:1rem}.picker-stars{font-size:.72rem}.tab-bar button{font-size:1.05rem;min-height:50px}.chip-row .btn{font-size:1rem}.hint-pill{min-height:36px;padding:0 .75rem;font-size:1rem}.hint-pill svg{width:16px;height:16px}.tile{font-size:clamp(1rem,2.6vw,1.8rem)}.howto-card{width:min(100%,680px);padding:2rem 2.4rem 1.8rem;gap:1rem}.howto-title{font-size:2rem}.howto-body{font-size:1.1rem;max-width:46ch}.demo-row{grid-template-columns:repeat(5,68px);grid-auto-rows:68px;gap:7px}.demo-box{grid-template-columns:repeat(3,68px);grid-auto-rows:68px;gap:7px}.demo-row .tile,.demo-box .tile{font-size:1.75rem}.demo-grid{grid-template-columns:repeat(3,32px) 3px repeat(3,32px) 3px repeat(3,32px);grid-template-rows:repeat(3,32px) 3px repeat(3,32px) 3px repeat(3,32px);gap:3px}.demo-grid .tile{font-size:.9rem}.demo-info,.demo-counter{font-size:1.05rem;max-width:40ch}.demo-stars{font-size:1.4rem}.howto-actions .btn{min-height:50px;padding:.7rem 1.6rem}.calendar{max-width:660px;gap:1rem}.cal-title{font-size:1.5rem}.cal-grid{gap:8px}.cal-day{min-height:74px;border-radius:14px;gap:6px}.cal-num{font-size:1.05rem}.cal-tile{width:13px;height:13px;border-radius:4px}.cal-weekday{font-size:.85rem}.cal-detail{gap:.8rem}.cal-detail .btn{padding:.8rem .5rem}.cal-detail-stars{font-size:.85rem}}