.snapshot.svelte-1v0l1h8{width:min(32vw,380px);min-width:150px}.snapshot.svelte-1v0l1h8 svg{width:100%;height:auto}.sync-panel.svelte-alw3k7{max-width:1100px;margin:auto;padding:.6rem 1rem;font-size:.85rem}.sync-panel.svelte-alw3k7 button:where(.svelte-alw3k7){padding:.4rem .7rem;margin:.2rem;border:1px solid #879c98;border-radius:6px;background:var(--surface, #fff);color:inherit}.sync-panel.svelte-alw3k7 [role=status]:where(.svelte-alw3k7){margin-left:.6rem}.sync-conflict.svelte-alw3k7{position:fixed;inset:8% 10%;z-index:1000;background:#fff;color:#193a34;padding:1.5rem;overflow:auto;box-shadow:0 0 0 100vmax #0008;border-radius:12px}.sync-versions.svelte-alw3k7{display:flex;gap:2rem;justify-content:center}:root{font-family:Inter,Segoe UI,system-ui,sans-serif;color:#373737;background:#fff;font-synthesis:none;font-weight:400;font-size:14px;--accent: #1565c0;--muted: #848484;--line: #dedede;--digit-font-size: 26px}*{box-sizing:border-box}body{margin:0}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit}button:disabled{opacity:.35;cursor:default}button,a,textarea{outline-offset:4px}button:focus-visible,a:focus-visible,textarea:focus-visible{outline:2px solid #1976d2}button{border:0;background:none}a{color:inherit;text-decoration:none}.app-shell{max-width:1240px;margin:auto;padding:0 55px}.site-header{height:100px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;font-size:23px;font-weight:650;letter-spacing:-1px}.brand-light{font-weight:350}.brand-mark{font-size:34px;line-height:1;margin-right:11px;color:var(--accent)}.beta{font-family:monospace;font-size:9px;letter-spacing:1px;color:#929292;border:1px solid #dedede;border-radius:4px;padding:5px 7px;margin-left:15px}.site-header 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span{font-size:20px;font-weight:300}.new-button:hover,.primary:hover{background:#0d47a1}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:43px;align-items:start}.game-area{min-width:0}.game-top{display:flex;justify-content:space-between;align-items:center;margin:0 0 20px 24px}.puzzle-name{display:flex;gap:11px;align-items:center}.small-grid{color:#939393;font-size:23px}.puzzle-name h2{font-size:14px;font-weight:550;margin:0 0 5px}.puzzle-name span:not(.small-grid){font-size:10px;color:#909090}.dot{padding:0 5px}.puzzle-name .difficulty{color:#7f7f7f!important}.timer{display:flex;align-items:center;gap:9px;color:#7c7c7c;font-size:12px;font-variant-numeric:tabular-nums}.timer-icon{font-size:19px}.timer button{border:1px solid #dcdcdc;border-radius:5px;width:28px;height:28px;margin-left:7px}.board-layout{display:grid;grid-template-columns:24px 1fr;grid-template-rows:20px 1fr}.column-labels{grid-column:2;display:grid;grid-template-columns:repeat(9,1fr);text-align:center;color:#9d9d9d;font-size:9px}.row-labels{grid-column:1;grid-row:2;display:grid;grid-template-rows:repeat(9,1fr);color:#9d9d9d;font-size:9px;align-items:center}.board-wrap{grid-column:2;grid-row:2;position:relative}.board{border:2px solid #111111;border-radius:3px;background:#fff;box-shadow:0 5px 18px #36363606;overflow:hidden;outline:none;touch-action:manipulation}.board svg{display:block;width:100%;height:auto;-webkit-user-select:none;user-select:none}.board g[role=button]{cursor:pointer;outline:none}.board g[role=button]:focus-visible>rect{stroke:#1565c0;stroke-width:3}.cell-value{font-family:Segoe UI,system-ui,sans-serif;font-size:calc(var(--digit-font-size) * var(--board-scale, 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h3{font-size:13px;font-weight:550;margin:0}.card-heading>span{font-family:monospace;color:#a8a8a8;font-size:9px;letter-spacing:1px}.modes{display:grid;grid-template-columns:repeat(4,1fr);border-radius:6px;background:#ededed;padding:4px;gap:2px;margin-bottom:19px}.modes button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:7px 0;color:#8e8e8e;font-size:9px;border-radius:4px;min-height:52px}.modes button.active{background:#fff;color:#1565c0;box-shadow:0 1px 4px #37373715}.mode-icon{font-size:19px;line-height:22px}.number-pad{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.number-pad button{min-height:69px;border:1px solid #e3e3e3;border-radius:6px;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px}.number-pad button:hover:not(:disabled){background:#eff6ff;border-color:#90b9e8}.number-pad button>span{font-size:var(--digit-font-size);font-weight:400;color:#263238}.number-pad small{color:#b4b4b4;font-size:8px;letter-spacing:1px}.action-row{display:grid;grid-template-columns:repeat(3,1fr);margin:17px 0 19px;gap:5px}.action-row button{display:flex;flex-direction:column;align-items:center;gap:4px;color:#838383;font-size:9px;padding:4px}.action-row button span{font-size:23px;height:25px;line-height:23px}.check-button{width:100%;padding:11px 0;border:1px solid #dcdcdc;border-radius:5px;font-size:11px;color:#717171;display:flex;justify-content:center;gap:9px}.check-button:hover,.check-button.checking{background:#e3f0ff}.progress-card{margin:17px 0;border:1px solid #e2e2e2;border-radius:9px;padding:17px 19px;background:#eee}.progress-top{display:flex;justify-content:space-between;font-size:10px;color:#848484}.progress-top strong{font-weight:500;color:#7a7a7a}.progress-track{height:4px;background:#ddd;border-radius:3px;margin:13px 0 11px;overflow:hidden}.progress-track>div{background:#1976d2;height:100%;transition:width .3s}.progress-card 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28px;color:#a4a4a4;font-size:10px}.footer-brand{font-size:12px;color:#919191}.save-status{display:flex;align-items:center;gap:7px}.save-status i{width:5px;height:5px;background:#1976d2;border-radius:50%}.save-status.warning{color:#aa6749}.save-status.warning i{background:#aa6749}.color-pad{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;min-height:223px;align-content:center}.color-pad button{height:68px;border-radius:6px;border:1px solid #00000010;background:var(--swatch)}.color-pad .clear-color{background:#fff;font-size:25px;color:#8c8c8c}.pause-overlay{position:absolute;inset:2px;background:#fffe;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.pause-overlay>span{font-size:38px;color:#919191}.pause-overlay h3{font-family:Georgia,serif;font-weight:400;font-size:28px;margin:14px 0 0}.pause-overlay p{color:#919191;font-size:13px;margin-bottom:25px}.primary{background:var(--accent);color:#fff;border-radius:6px;padding:12px 19px;font-size:12px}.modal-backdrop{position:fixed;inset:0;background:#35353555;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;padding:20px;z-index:10}.modal{background:#fff;padding:36px;border:1px solid #e1e1e1;border-radius:13px;width:550px;max-width:100%;max-height:90dvh;overflow:auto;position:relative;box-shadow:0 20px 80px #24242433;outline:none}.modal h2{font-family:Georgia,serif;font-size:28px;letter-spacing:-.8px;font-weight:400;margin:13px 0}.modal-close{position:absolute;top:13px;right:15px;font-size:25px;color:#929292}.modal-intro{color:#8f8f8f;line-height:1.8;font-size:12px}.puzzle-list{display:grid;margin-top:24px;gap:10px}.puzzle-list button{display:flex;align-items:center;gap:13px;text-align:left;padding:17px 12px;border:1px solid #e1e1e1;border-radius:7px;background:#fff}.puzzle-list button:hover{background:#eff6ff}.puzzle-index{font-family:Georgia,serif;color:#aaa;font-size:25px}.puzzle-list strong{display:block;font-size:13px;font-weight:550}.puzzle-list small{display:block;color:#969696;font-size:10px;margin-top:5px}.puzzle-level{font-size:9px;color:#8c8c8c;margin-left:auto;white-space:nowrap}.input-label{display:block;font-size:11px;margin:22px 0 8px;color:#7b7b7b}textarea{width:100%;resize:vertical;border:1px solid #d2d2d2;border-radius:6px;background:#fff;color:#565656;padding:12px;font-family:monospace;font-size:15px;line-height:1.8}.replace-note{font-size:10px;color:#979797;line-height:1.7}.import-error{color:#ad4d46;font-size:12px;line-height:1.7}.modal-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:24px}.file-button{font-size:11px;color:#7d7d7d;cursor:pointer;padding:10px 0}.file-button input{display:block;font-size:10px;max-width:200px;margin-top:6px}.shortcuts{margin:24px 0}.shortcuts>div{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid #e3e3e3;gap:10px}.shortcuts dt{font-size:11px;color:#8a8a8a}.shortcuts dd{font-family:monospace;font-size:11px;margin:0;color:#646464}@media(min-width:1300px){.app-shell{max-width:1220px}.workspace{grid-template-columns:minmax(0,1fr) 310px;gap:55px}.board-layout{max-width:620px}.game-top,.board-bottom{max-width:596px}}@media(max-width:1000px){.app-shell{padding:0 28px}.workspace{gap:25px;grid-template-columns:minmax(0,1fr) 265px}.tool-card{padding:16px}.number-pad button{min-height:59px}h1{font-size:34px}.page-heading p{font-size:12px}.board-bottom>span:last-child{display:none}.rules-card{padding-top:10px}.site-header{height:83px}}@media(max-width:720px){.app-shell{padding:0 18px}.site-header{height:74px}.brand{font-size:20px}.brand-mark{font-size:29px}.beta{display:none}.site-header nav{gap:14px}.nav-link{font-size:11px}main{padding-top:26px}.eyebrow{font-size:8px;letter-spacing:1.5px}h1{font-size:30px;letter-spacing:-1px}.page-heading{margin-bottom:29px;gap:12px}.page-heading p{font-size:11px;max-width:235px;line-height:1.7}.new-button{padding:9px 11px;font-size:10px;gap:5px;white-space:nowrap}.workspace{grid-template-columns:1fr;gap:12px}.game-top{margin-left:19px;margin-bottom:13px}.board-layout{grid-template-columns:19px 1fr;grid-template-rows:18px 1fr}.board-bottom{margin-left:19px}.message{margin-left:19px;padding:17px 0 4px;min-height:42px;font-size:12px}.tools{margin-left:19px}.tool-card{padding:16px}.card-heading,.modes{margin-bottom:13px}.modes button{flex-direction:row;gap:8px;min-height:41px}.number-pad{grid-template-columns:repeat(9,1fr);gap:4px}.number-pad button{min-height:53px;border-radius:5px}.number-pad button>span{font-size:22px}.number-pad small{font-size:7px}.action-row{margin:14px 0;display:flex;justify-content:space-around}.action-row button{flex-direction:row;gap:7px;font-size:10px}.action-row button span{font-size:21px}.check-button{padding:10px}.progress-card{margin:14px 0}.rules-card{padding:15px 3px}.rules-card p{font-size:12px}.color-pad{grid-template-columns:repeat(6,1fr);min-height:53px}.color-pad button{height:53px}footer{margin-top:27px;padding:19px 0;flex-wrap:wrap;font-size:9px;gap:14px}footer>span:last-child{display:none}.footer-brand{font-size:11px}.modal{padding:30px 22px}.modal h2{font-size:25px}.puzzle-list button{padding:15px 10px;gap:10px}.puzzle-list small{font-size:9px}.puzzle-level{font-size:8px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}.board.imported-board{border:0;border-radius:0;overflow:visible;box-shadow:none;background:#fff}.imported-board .cell-value{font-family:Tahoma,Roboto,Arial,sans-serif;font-size:45px;font-weight:400}.tool-card{container-type:inline-size;padding:8px}.entry-controls{--key-size: min(240px, calc(100cqw - 100px) );display:grid;grid-template-columns:minmax(44px,1fr) var(--key-size) minmax(44px,1fr);--key-footer-height: max( calc(254px - var(--key-size)), calc((var(--key-size) - 12px) / 3) );grid-template-rows:var(--key-size) var(--key-footer-height) 44px;gap:6px}.entry-controls button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-width:0;min-height:0;margin:0;padding:3px;border:1px solid #dfdfdf;border-radius:8px;background:#fff;color:#263238;box-shadow:0 1px 2px #37373708;font-size:10px;touch-action:manipulation}.entry-controls button:hover:not(:disabled){background:#eff6ff;border-color:#90b9e8}.entry-controls button.active{background:#e3f0ff;border-color:#1976d2;box-shadow:inset 0 0 0 1px #1976d255}.entry-controls button:disabled{opacity:.4}.entry-controls .number-pad,.entry-controls .color-pad,.entry-controls .pen-pad{grid-column:2;grid-row:1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-template-rows:repeat(3,minmax(0,1fr));gap:6px;width:100%;height:100%;min-height:0}.number-pad button,.color-pad button,.keyboard-actions button{position:relative;aspect-ratio:1}.entry-controls .number-pad button>span,.entry-controls .keyboard-actions button:first-child>span{font-size:var(--digit-font-size);font-weight:400}.entry-controls .number-pad small{display:none}.entry-controls .color-pad button{background:var(--swatch)}.entry-controls .color-pad button:hover:not(:disabled){background:var(--swatch);border-color:#1565c0}.color-pad button[aria-pressed=true]{box-shadow:inset 0 0 0 2px #1565c0}.color-pad button[aria-pressed=mixed]{outline:1px dashed #1565c0;outline-offset:-3px}.entry-controls .keyboard-actions{grid-column:2;grid-row:2;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;align-self:start;margin:0}.entry-controls .keyboard-actions button{font-size:14px}.entry-controls .modes{grid-column:3;grid-row:1;display:grid;grid-template-columns:1fr;grid-template-rows:repeat(4,minmax(0,1fr));gap:6px;margin:0;padding:0;background:transparent;height:100%}.entry-controls .modes button{flex-direction:column;font-size:9px}.mode-icon,.control-icon{font-size:20px;line-height:22px}.entry-controls .utility-row{grid-column:1;grid-row:1 / 3;display:grid;grid-template-columns:1fr;grid-template-rows:repeat(4,minmax(0,1fr));gap:4px;min-width:0}.entry-controls .utility-row button{font-size:8px;line-height:11px}.control-clock{font-variant-numeric:tabular-nums;font-size:10px}.entry-controls .number-pad.note-center button>span,.entry-controls .number-pad.note-corner button>span,.entry-controls .keyboard-actions button.note-center>span,.entry-controls .keyboard-actions button.note-corner>span{font-size:15px;line-height:1;color:#616161}.entry-controls .number-pad.note-corner button>span,.entry-controls .keyboard-actions button.note-corner>span{position:absolute;left:var(--note-x);top:var(--note-y);transform:translate(-50%,-50%)}.board{touch-action:none}.board .colored .cell-value,.board .colored .center-note,.board .colored .corner-note{fill:#111}.board .colored .cell-value.error{fill:#9b2428}.workspace{grid-template-columns:minmax(0,600px) 310px;justify-content:space-between}.board-layout{max-width:600px}.game-top,.board-bottom{max-width:576px}@media(max-width:1000px){.workspace{grid-template-columns:minmax(0,1fr) 265px}}@media(max-width:720px){.app-shell{display:flex;flex-direction:column;padding:max(8px,env(safe-area-inset-top)) 8px max(8px,env(safe-area-inset-bottom))}main{padding-top:0}.site-header{display:none}.workspace{grid-template-columns:1fr;gap:8px}.board-layout{display:block;max-width:none}.game-top,.board-bottom,.column-labels,.row-labels{display:none}.tools{margin:0}.tool-card{padding:0;border:0;box-shadow:none;background:transparent}.entry-controls{--key-size: min( calc(100cqw - 100px) , clamp(176px, calc(100svh - min(100vw - 16px, 600px) - 160px) , 240px) )}.message{margin:8px 0 0;padding:8px 4px;min-height:0;font-family:inherit;font-style:normal;font-size:12px}.secondary-actions,footer{display:none}footer:has(.warning){display:flex;margin:0;padding:8px 0}footer .footer-brand{display:none}}@media(max-width:720px)and (max-height:700px){.board-layout{width:min(100%,max(280px,calc(100svh - 340px)));margin-inline:auto}}.variant-description{margin:0 0 8px;font-size:12px;color:#111}.variant-description summary{cursor:pointer;padding:8px 0}.variant-description p{white-space:pre-line;line-height:1.6;margin:4px 0 10px}.state-tools{display:flex;gap:6px;margin-bottom:8px}.state-tools button{border:1px solid #dfdfdf;border-radius:8px;background:#fff;padding:8px;min-height:40px;font-size:11px}.state-tools button.active{background:#e3f0ff;border-color:#1976d2}.puzzle-list{max-height:55svh;overflow:auto}.extra-modes{grid-column:3;grid-row:2;display:grid;gap:4px;min-height:0}.extra-modes button{font-size:9px;overflow-wrap:anywhere}.panel-hidden{visibility:hidden}.entry-controls .killer-panel{grid-column:2;grid-row:1 / 3;z-index:1;background:#fff;border:1px solid #dfdfdf;border-radius:8px;padding:7px;display:flex;flex-direction:column;gap:5px;min-height:0;overflow:hidden}.killer-panel strong{font-size:13px}.killer-panel small{font-size:9px;line-height:1.4}.combination-list{overflow:auto;min-height:0;overscroll-behavior:contain}.combination{display:flex;gap:5px;align-items:center;padding:4px 0;border-bottom:1px solid #efefef}.combination-digits{display:flex;flex-wrap:wrap;gap:3px;flex:1}.entry-controls .combination button{min-width:24px;height:30px;font-size:15px;position:relative}.entry-controls .combination button sup{font-size:8px;position:absolute;right:1px;top:0}.combination.excluded .combination-digits button{color:#7f7f7f;text-decoration:line-through;background:#ededed}.entry-controls .combination button.required{background:#ccebd2;color:#235d32}.entry-controls .combination button.forbidden{background:#f5cece;color:#8b2929}.entry-controls .combination button.entered{outline:2px solid #4079b5;outline-offset:-3px}.entry-controls .region-key{font-size:26px}.rules-text{white-space:pre-line;line-height:1.6}.entry-controls .history-actions{grid-column:2;grid-row:3;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.entry-controls .history-actions button{font-size:10px}.entry-controls .keyboard-actions .pen-mode>span{font-size:26px}.entry-controls .keyboard-actions .pen-mode small{font-size:10px;line-height:1.15}