:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--purple:#6C40FF;--violet:#8E6CFF;--gold:#FFBD3D;--bg:#0F0F14;--surface:#191A23;--surface2:#20212D;--text:#fff;--muted:#9A9AA8;--success:#22C55E;--danger:#EF5B67;--line:#2A2B36}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);min-height:100vh}button{font:inherit;color:inherit}svg{display:block}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible,.cell:focus-visible{outline:2px solid var(--violet);outline-offset:3px}.app{width:min(100%,1040px);margin:auto;padding:20px 24px 42px}.game-topbar{height:60px;display:flex;align-items:center;gap:14px}.icon-button{width:44px;height:44px;border:1px solid var(--line);background:#171820;border-radius:50%;display:grid;place-items:center}.icon-button svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.home-link{text-decoration:none}.game-name{display:flex;align-items:center;gap:10px}.game-name b,.game-name small{display:block}.game-name b{font-size:20px}.game-name small{margin-top:2px;font-size:10px;color:var(--muted)}.game-crown{width:30px;height:30px;color:var(--gold)}.game-crown svg{width:100%;height:100%;fill:currentColor}.top-actions{margin-left:auto}.game-meta{height:76px;background:var(--surface);border:1px solid var(--line);border-radius:16px;display:grid;grid-template-columns:repeat(3,1fr);margin:10px 0 20px}.game-meta>div{display:flex;flex-direction:column;justify-content:center;padding:0 24px}.game-meta>div+div{border-left:1px solid var(--line)}.game-meta small{font-size:10px;color:var(--muted);margin-bottom:5px}.game-meta strong{font-size:18px}.game-layout{display:grid;grid-template-columns:minmax(0,1fr) 108px;gap:18px;align-items:start}.board-column{min-width:0}.board{width:100%;max-width:680px;aspect-ratio:1;margin:auto;display:grid;grid-template-columns:repeat(9,1fr);grid-template-rows:repeat(9,1fr);border:4px solid #111218;border-radius:14px;overflow:hidden;background:#111218;user-select:none;touch-action:manipulation}.cell{position:relative;border:0;padding:0;display:flex;align-items:center;justify-content:center;color:#15151d;cursor:pointer;min-width:0;min-height:0}.cell:before{content:"";position:absolute;inset:0;border-right:1px solid rgba(15,15,20,.32);border-bottom:1px solid rgba(15,15,20,.32);pointer-events:none}.cell:after{content:"";position:absolute;inset:-1px;border-style:solid;border-color:#15151d;border-width:0;z-index:2;pointer-events:none}.rt:after{border-top-width:3px}.rr:after{border-right-width:3px}.rb:after{border-bottom-width:3px}.rl:after{border-left-width:3px}.mark{position:relative;z-index:3;display:grid;place-items:center}.x-mark{font:700 clamp(16px,3vw,28px)/1 Arial;color:var(--violet)}.crown{width:68%;height:68%;background:var(--gold);border-radius:9px;color:#fff;animation:crown-in .22s ease-out}.crown svg{width:72%;height:72%;fill:currentColor}.bad,.hint-error{box-shadow:inset 0 0 0 4px var(--danger);z-index:6}.hint-area{filter:brightness(1.1)}.hint-focus,.hint-candidate{box-shadow:inset 0 0 0 4px var(--violet);z-index:6}.hint-eliminate{box-shadow:inset 0 0 0 4px var(--danger);z-index:6}.r0{background:#8F77B9}.r1{background:#D49B60}.r2{background:#6F92C7}.r3{background:#B9C86E}.r4{background:#CF6857}.r5{background:#7EB074}.r6{background:#9B9484}.r7{background:#BD7E9D}.r8{background:#6CA99F}.controls{display:grid;gap:10px}.controls button,.control-toggle{height:76px;border:1px solid var(--line);background:var(--surface);border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;cursor:pointer;transition:.18s ease}.controls button:hover,.control-toggle:hover{background:var(--surface2)}.controls button:active{transform:scale(.98)}.controls svg,.mobile-controls svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.controls span{font-size:10px}.control-toggle input{accent-color:var(--purple)}.feedback{max-width:680px;margin:14px auto 0;padding:11px 2px;color:#C8C8D1;font-size:13px}.feedback.success{padding:12px 14px;border-radius:11px;background:rgba(34,197,94,.12);color:#B6F0CB}.feedback.error{padding:12px 14px;border-radius:11px;background:rgba(239,91,103,.12);color:#FFC2C8}.bottom-actions{max-width:680px;margin:12px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:12px}.bottom-actions button{height:48px;border-radius:12px;border:1px solid #353643;background:#1A1B24;font-weight:750}.bottom-actions .next{background:var(--purple);border-color:var(--purple)}.bottom-actions 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