body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100dvh;background:radial-gradient(circle at 20% 0%,#3e4b5f,#1e242f 58%,#161a22 100%);background-attachment:fixed;color:#fff;overflow-x:auto;touch-action:pan-x pan-y pinch-zoom}a:link,a:visited,a:hover,a:active{color:#fff}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.App{text-align:center}.App-logo{height:40vmin;pointer-events:none}@media (prefers-reduced-motion: no-preference){.App-logo{animation:App-logo-spin infinite 20s linear}}.App-header{background-color:#282c34;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:calc(10px + 2vmin);color:#fff}.App-link{color:#61dafb}@keyframes App-logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}html{font-family:Helvetica Neue,Helvetica,Arial,sans}.outer{display:flex;max-width:min(1200px,100vw);box-sizing:border-box;flex-direction:column;text-align:center;width:100%;padding:15px;margin-right:auto;margin-left:auto;background-color:#555;border-top:2px solid rgb(0,0,0);border-left:2px solid rgb(0,0,0);border-right:2px solid rgb(200,200,200);border-bottom:2px solid rgb(200,200,200);position:relative}.controls{display:flex;flex-direction:column;gap:.75rem;margin:.75rem 0}.control-group{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem}.control-group span{font-size:.95rem;font-weight:700;min-width:5.5rem;text-align:left}.control-chip{border:1px solid #b8c2cc;background:#f0f3f8;color:#111;padding:.32rem .72rem;border-radius:999px;cursor:pointer;font-weight:600}.control-chip.active{background:#2c6ea0;border-color:#1f557d;color:#fff}.control-chip.pro-chip{background:#b00b15;border-color:#7d0810;color:#fff}.control-chip.pro-chip.active{background:#b00b15;border-color:#ffd2d5;box-shadow:0 0 0 2px #ffd2d540}.control-chip.pro-chip:hover{background:#c40d18}.action-row .restart-btn{margin-right:.2rem}.inner{position:relative}.board-scroll{width:100%;box-sizing:border-box;overflow-x:auto;overflow-y:hidden;padding-top:1rem;padding-bottom:3px;-webkit-overflow-scrolling:touch;touch-action:pan-x pan-y pinch-zoom}.sudoku-grid{touch-action:manipulation}.sudoku-cell{width:var(--cell-size, 46px);height:var(--cell-size, 46px);border-style:solid;border-color:#222;background:#f6f8fd;color:#1f2530;font-size:calc(var(--cell-size, 46px) * .48);font-weight:700;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer;padding:0}.sudoku-cell.given{background:#d8dee9;color:#111;cursor:default}.sudoku-cell.selected{background:#c9e8ff}.sudoku-cell.conflict{background:#ffd8d8;color:#7a1010}.scoretable{display:flex;gap:.8rem;margin:.4rem auto .9rem;background:#000;border:2px solid #0a500a;border-radius:8px;padding:.5rem .8rem;width:fit-content;max-width:100%;color:#00fa00;font-family:Courier New,Courier,monospace;box-shadow:0 0 12px #0f03 inset}.score-cell{display:flex;flex-direction:column;min-width:94px}.score-label{font-size:.72rem;opacity:.9;text-transform:uppercase;letter-spacing:.08em}.score-value{font-size:1.08rem;font-weight:700;margin-top:.14rem}.restart-btn{border:1px solid #b8c2cc;background:#f0f3f8;color:#111;padding:.45rem .75rem;border-radius:8px;cursor:pointer;font-weight:700}.restart-btn:disabled{opacity:.5;cursor:not-allowed}.hint-toast{align-self:center;margin-top:.15rem;margin-bottom:.2rem;background:rgba(176,11,21,.94);color:#fff7f7;border:1px solid #ffd2d5;border-radius:999px;padding:.4rem .9rem;font-size:.92rem;font-weight:700;box-shadow:0 8px 20px #0003}.number-pad{display:flex;flex-wrap:wrap;gap:.4rem;justify-content:center;margin-top:1rem}.num-btn{min-width:44px;border:1px solid #9ca7b7;background:#e8edf4;color:#111;border-radius:8px;padding:.42rem .65rem;font-weight:700;cursor:pointer}.num-btn.clear{background:#f7d5d5}.num-btn:disabled{opacity:.55;cursor:not-allowed}.start-overlay,.pause-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(2px);background:rgba(10,10,10,.38);z-index:5}.pause-box{background:#111;color:#fff;border:1px solid #777;border-radius:10px;padding:1rem 1.4rem;font-weight:700}.start-btn{background:linear-gradient(180deg,#2ea44f,#238636);border:1px solid #1f6f2d;color:#fff;border-radius:999px;padding:.85rem 1.6rem;font-size:1.05rem;font-weight:800;cursor:pointer;box-shadow:0 8px 20px #23863659}.toggle-switch{position:relative;display:inline-block;width:48px;height:26px;overflow:hidden}.toggle-switch input{display:none}.toggle-slider{position:absolute;top:0;left:0;width:48px;height:26px;background:#aaa;border-radius:26px;transition:background-color .2s ease}.toggle-slider:before{content:"";position:absolute;left:3px;top:3px;width:20px;height:20px;background:#fff;border-radius:50%;transition:transform .2s ease}.toggle-switch input:checked+.toggle-slider{background:#2ea44f}.toggle-switch input:checked+.toggle-slider:before{transform:translate(22px)}.win-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;z-index:30}.win-box{background:#111;color:#e7ffe7;border:2px solid #37b24d;border-radius:12px;padding:1.2rem 1.3rem;text-align:center;box-shadow:0 0 24px #37b24d40}.lose-box{border-color:#c22;box-shadow:0 0 24px #dc32323d}.highscore-board{background:#000;border:2px solid #0a500a;border-radius:10px;padding:1rem;color:#00fa00;font-family:Courier New,Courier,monospace}.highscore-header{display:flex;align-items:center;justify-content:space-between;gap:.6rem;flex-wrap:wrap;margin-bottom:.9rem}.hs-filter{display:flex;gap:.4rem}.hs-empty{margin-top:.8rem}.hs-section{margin-top:1rem;border-top:1px solid #0a500a;padding-top:.8rem}.hs-section-title{display:flex;justify-content:space-between;margin-bottom:.4rem}.hs-key{opacity:.8}.hs-table{width:100%;border-collapse:collapse}.hs-table th,.hs-table td{border:1px solid #0a500a;padding:.35rem .5rem;text-align:center}.hs-top td{background:rgba(0,255,0,.15)}.rules{margin-top:1.2rem;text-align:left;background:rgba(10,10,10,.35);border:1px solid rgba(255,255,255,.08);border-radius:10px;padding:1rem}.rules h2,.rules h3{margin-top:.2rem}.rules ul{padding-left:1.2rem}.mobile-note{margin:.1rem 0 .35rem;color:#d7e2f2;font-size:.92rem}@media (max-width: 900px){.outer{padding:10px}.scoretable{width:100%;justify-content:center}.score-cell{min-width:86px}.control-group span{min-width:auto}.highscore-header{flex-direction:column;align-items:flex-start}}._numberInputBox_1lwca_1{width:calc(var(--nib-cell-width) * 3 + 6px);display:flex;flex-wrap:wrap;flex-direction:row;justify-content:center;align-items:center;font-size:1rem;border:1px solid black;border-radius:5px;background-color:#d3d3d3;color:#000;text-align:center;margin:0 auto;position:fixed;top:var(--nib-top);left:var(--nib-left);z-index:1000;box-shadow:0 0 10px #00000080}._numberInputBox_1lwca_1 ._title_1lwca_21{font-size:.9rem;width:100%;margin-bottom:5px;margin-top:5px}._numberInputBox_1lwca_1 ._guess_1lwca_27{width:var(--nib-cell-width);height:var(--nib-cell-height);display:flex;justify-content:center;align-items:center;font-size:1.5rem;border:1px solid black;border-radius:5px;background-color:#ffffff80;color:#000;text-align:center;cursor:pointer}._numberInputBox_1lwca_1 ._guess_1lwca_27:hover{background-color:#fffc}._gameNav_eqz6z_1{display:flex;justify-content:center;align-items:center;padding:10px 12px;background:#1f232d;border-bottom:1px solid #3d4555;position:relative;z-index:20}._toggle_eqz6z_12{display:none;flex-direction:column;gap:4px;align-items:center;justify-content:center;width:42px;height:38px;border:1px solid #59617a;background:#2d3444;border-radius:8px;cursor:pointer}._bar_eqz6z_26{display:block;width:18px;height:2px;background:#f5f7ff}._menu_eqz6z_33{margin:0;padding:0;width:100%;list-style:none;display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px 14px}._item_eqz6z_45{margin:0;padding:0}._link_eqz6z_50{color:#fff;text-decoration:none;font-size:.94rem;line-height:1;border-radius:999px;padding:8px 12px;border:1px solid transparent;display:inline-block}._link_eqz6z_50:hover{border-color:#8b96b9;background:#30384a}._linkActive_eqz6z_66{background:#44506b;border-color:#8b96b9}@media (max-width: 900px){._gameNav_eqz6z_1{justify-content:flex-end;padding:12px}._toggle_eqz6z_12{display:inline-flex;height:44px;width:46px}._menu_eqz6z_33{display:none;position:absolute;top:calc(100% + 2px);right:8px;width:min(320px,100vw - 16px);border:1px solid #59617a;border-radius:10px;background:#252b39;box-shadow:0 10px 24px #00000059;padding:8px;gap:6px;z-index:25}._menuOpen_eqz6z_95{display:flex;flex-direction:column;align-items:stretch}._item_eqz6z_45{width:100%}._link_eqz6z_50{width:100%;text-align:left;box-sizing:border-box;border-radius:6px}}