.oc173-game{--p-ink:var(--oc-text,#152a40);--p-copy:var(--oc-muted,#40566d);--p-surface:var(--oc-surface,#fff);--p-soft:var(--oc-surface-2,#edf3f8);--p-line:var(--oc-border,#8ca4b9);--p-primary:var(--oc-primary,#285f90);--p-selected:#285f90;--p-selected-ink:#fff;--p-given:#e5edf5;--p-focus:#173f67;--p-error:#942b2b;--p-error-bg:#fff0f0;box-sizing:border-box;max-width:740px;padding:clamp(12px,2.5vw,22px);margin:0 0 18px;border:1px solid var(--p-line);border-radius:12px;background:var(--p-surface);color:var(--p-ink);box-shadow:0 5px 18px rgba(20,48,72,.06)}:is(body.oc-dark,body[data-theme=dark],body.dark-mode,html.dark,html.oc-dark-preload) .oc173-game{--p-ink:#edf5fc;--p-copy:#c4d5e3;--p-surface:#122234;--p-soft:#20364b;--p-line:#829cb3;--p-primary:#8bbde9;--p-selected:#235174;--p-selected-ink:#fff;--p-given:#294158;--p-focus:#b9ddff;--p-error:#ffd2cc;--p-error-bg:#562b32}.oc173-game *{box-sizing:border-box}.oc173-game [hidden]{display:none!important}.oc173-game h1{margin:0 0 5px!important;font-size:clamp(1.4rem,3.6vw,2rem)!important;line-height:1.2!important;color:var(--p-ink)!important;letter-spacing:-.025em}.oc173-game .oc173-intro{margin:0 0 15px!important;font-size:.94rem!important;line-height:1.5!important;color:var(--p-copy)!important}.oc173-controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));align-items:end;gap:9px;max-width:480px;margin:0 auto 8px}.oc173-controls label{display:flex;flex-direction:column;gap:4px;min-width:0;font-size:.78rem;font-weight:600;color:var(--p-copy)}.oc173-controls select{height:42px;min-width:0;width:100%;padding:7px 5px;border:1px solid var(--p-line);border-radius:6px;background:var(--p-surface);color:var(--p-ink);font:inherit;font-size:1rem}.oc173-game[data-oc-puzzle=merge] .oc173-controls{grid-template-columns:repeat(2,minmax(0,1fr))}.oc173-button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:8px 12px;border:1px solid var(--p-line);border-radius:6px;background:var(--p-soft);color:var(--p-ink);font:inherit;font-size:.88rem;font-weight:650;line-height:1.2;white-space:nowrap;cursor:pointer;text-decoration:none}.oc173-button.primary{background:var(--p-primary);border-color:var(--p-primary);color:var(--p-surface)}.oc173-game button:disabled{opacity:.65;cursor:default}.oc173-game button[aria-pressed=true]{background:var(--p-selected);color:var(--p-selected-ink);border-color:var(--p-selected)}.oc173-game :is(button,select,summary):focus-visible{outline:3px solid var(--p-focus);outline-offset:3px;position:relative;z-index:2}.oc173-game .oc173-session{max-width:480px;margin:0 auto 12px!important;font-size:.75rem!important;color:var(--p-copy)!important;line-height:1.4!important}.oc173-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;max-width:480px;margin:0 auto 13px}.oc173-stats>div{min-width:0;padding:8px 10px;border:1px solid var(--p-line);border-radius:6px;background:var(--p-soft)}.oc173-stats span{display:block;color:var(--p-copy);font-size:.7rem;font-weight:600;line-height:1.4}.oc173-stats strong{display:block;color:var(--p-ink);font-size:1.12rem;line-height:1.4;white-space:nowrap}.oc173-stage{max-width:480px;margin:0 auto;min-width:0}.oc173-board{width:100%;margin:0 auto 12px;min-width:0;user-select:none;-webkit-user-select:none}.oc173-cell{position:relative;display:flex;align-items:center;justify-content:center;min-width:0;margin:0;padding:0;border:1px solid var(--p-line);border-radius:5px;background:var(--p-surface);color:var(--p-primary);font:inherit;font-size:clamp(1rem,4.5vw,1.55rem);font-weight:600;line-height:1;cursor:pointer;white-space:nowrap}.oc173-cell.is-given{background:var(--p-given);color:var(--p-ink);font-weight:750}.oc173-cell.is-near{background:var(--p-soft)}.oc173-cell.is-same{background:var(--p-given);box-shadow:inset 0 0 0 2px var(--p-primary)}.oc173-cell.is-error{background:var(--p-error-bg);color:var(--p-error);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}.oc173-cell.is-selected{background:var(--p-selected);color:var(--p-selected-ink);box-shadow:inset 0 0 0 2px var(--p-selected);z-index:1}.oc173-cell.is-selected.is-error{box-shadow:inset 0 0 0 3px var(--p-error);text-decoration:underline}.oc173-cell.is-hint{box-shadow:inset 0 0 0 3px var(--p-primary);text-decoration:underline;text-underline-offset:4px}.oc173-sudoku{max-width:414px;border:2px solid var(--p-focus);border-radius:3px;overflow:hidden}.oc173-sudoku-row{display:grid;grid-template-columns:repeat(9,minmax(0,1fr))}.oc173-sudoku .oc173-cell{aspect-ratio:1;border-width:0 1px 1px 0;border-radius:0;min-height:24px;font-weight:550}.oc173-sudoku .oc173-cell.is-given{font-weight:750}.oc173-sudoku .box-right{border-right:2px solid var(--p-focus)}.oc173-sudoku .box-bottom{border-bottom:2px solid var(--p-focus)}.oc173-sudoku .oc173-cell:nth-child(9){border-right:0}.oc173-sudoku-row:last-child .oc173-cell{border-bottom:0}.oc173-notes{display:grid;grid-template-columns:repeat(3,1fr);width:100%;height:100%;padding:1px;font-size:clamp(.48rem,1.8vw,.72rem);font-weight:600}.oc173-notes span{display:flex;align-items:center;justify-content:center;line-height:1}.oc173-crossword{max-width:414px}.oc173-crossword-row{display:grid;grid-template-columns:1fr .42fr 1fr .42fr 1fr;gap:5px;margin-bottom:5px}.oc173-crossword .oc173-cell{aspect-ratio:1;font-size:clamp(.95rem,4.6vw,1.7rem);border:2px solid var(--p-line)}.oc173-crossword .oc173-cell:not(.is-given){border-style:dashed}.oc173-operator{display:flex;align-items:center;justify-content:center;min-width:0;min-height:27px;background:var(--p-soft);border-radius:4px;color:var(--p-ink);font-size:1.25rem;font-weight:700}.oc173-block{background:transparent}.oc173-empty-mark{color:var(--p-copy);font-weight:500}.oc173-cell.is-selected .oc173-empty-mark{color:var(--p-selected-ink)}.oc173-keypad{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:7px;margin:12px 0 8px}.oc173-keypad .oc173-button{font-size:1.14rem;padding:7px 4px}.oc173-keypad [data-action=erase]{font-size:.8rem}.oc173-tools{display:flex;flex-wrap:wrap;gap:7px;margin:8px 0 3px}.oc173-tools .oc173-button{flex:1 1 auto;padding:8px 10px}.oc173-game .oc173-message{min-height:24px;margin:12px 0 6px!important;font-size:.88rem!important;line-height:1.5!important;color:var(--p-copy)!important;overflow-wrap:anywhere}.oc173-game .oc173-message.is-error{color:var(--p-error)!important;font-weight:600}.oc173-game .oc173-categories{font-size:.84rem!important;line-height:1.55!important;color:var(--p-copy)!important;margin:0 0 10px!important}.oc173-merge{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;max-width:414px;padding:8px;border-radius:8px;background:var(--p-given);touch-action:none}.oc173-merge:focus-visible{outline:3px solid var(--p-focus);outline-offset:3px}.oc173-merge-tile{display:flex;align-items:center;justify-content:center;aspect-ratio:1;border:1px solid var(--p-line);border-radius:5px;background:var(--p-soft);color:var(--p-ink);font-size:clamp(1.25rem,5.5vw,2rem);font-weight:750;line-height:1;white-space:nowrap}.oc173-merge-tile.tile-2{background:#edf3f8;color:#152a40}.oc173-merge-tile.tile-4{background:#dce8f3;color:#152a40}.oc173-merge-tile.tile-8{background:#c3d9ee;color:#152a40}.oc173-merge-tile.tile-16{background:#91b9dc;color:#10273b}.oc173-merge-tile.tile-32{background:#285f90;color:#fff}.oc173-merge-tile.tile-64{background:#1d4f79;color:#fff}.oc173-merge-tile.tile-128{background:#704798;color:#fff}.oc173-merge-tile.tile-256{background:#5b367f;color:#fff}.oc173-merge-tile.tile-512{background:#4d3c92;color:#fff}.oc173-merge-tile.tile-1024{background:#35556c;color:#fff}.oc173-merge-tile.tile-2048{background:#125e53;color:#fff}.oc173-merge-tile.is-long{font-size:clamp(.7rem,2.6vw,1.1rem)}.oc173-directions{display:grid;grid-template-columns:repeat(3,48px);grid-template-rows:42px 42px;gap:5px;justify-content:center;margin:5px 0 12px}.oc173-directions [data-direction=up]{grid-column:2;grid-row:1}.oc173-directions [data-direction=left]{grid-column:1;grid-row:2}.oc173-directions [data-direction=down]{grid-column:2;grid-row:2}.oc173-directions [data-direction=right]{grid-column:3;grid-row:2}.oc173-directions .oc173-button{font-size:1.15rem}.oc173-match{max-width:414px}.oc173-match-row{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));gap:4px;margin-bottom:4px}.oc173-match .oc173-cell{aspect-ratio:.88;min-height:28px;font-size:clamp(.95rem,4vw,1.4rem)}.oc173-cell.is-cleared{background:var(--p-soft);border-color:transparent;opacity:1;cursor:default}.oc173-group-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;margin-bottom:7px}.oc173-groups .oc173-cell{min-height:56px;padding:9px 2px;font-size:clamp(.95rem,4vw,1.4rem)}.oc173-solved-group{display:flex;flex-direction:column;align-items:center;gap:5px;padding:13px 7px;border-radius:6px;border:1px solid var(--p-line);margin-bottom:8px;background:var(--p-given);color:var(--p-ink);text-align:center}.oc173-solved-group strong{font-size:.9rem}.oc173-solved-group span{font-size:.9rem}.oc173-result{padding:15px;margin-top:15px;border:1px solid var(--p-line);border-radius:8px;background:var(--p-soft)}.oc173-result h2{margin:0 0 8px!important;font-size:1.3rem!important;color:var(--p-ink)!important}.oc173-result p{margin:6px 0 12px!important;font-size:.92rem!important;line-height:1.6!important;color:var(--p-ink)!important}.oc173-result small{color:var(--p-copy)}.oc173-help{max-width:480px;margin:14px auto 0;border-top:1px solid var(--p-line)}.oc173-help summary{min-height:44px;padding:12px 0;font-size:.88rem;font-weight:650;cursor:pointer;color:var(--p-ink)}.oc173-help p{font-size:.85rem!important;line-height:1.6!important;color:var(--p-copy)!important}.oc173-records{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin:10px 0}.oc173-records>div{padding:8px 5px;border:1px solid var(--p-line);border-radius:5px;background:var(--p-soft);min-width:0}.oc173-records span{display:block;font-size:.66rem;line-height:1.45;color:var(--p-copy)}.oc173-records strong{display:block;margin-top:3px;font-size:.95rem;color:var(--p-ink)}.oc173-week{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px}.oc173-week>span{display:flex;flex-direction:column;align-items:center;gap:4px;padding:7px 1px;border:1px solid var(--p-line);border-radius:4px;color:var(--p-copy);font-size:.7rem}.oc173-week>span.is-done{background:var(--p-selected);color:var(--p-selected-ink)}.oc173-week small{font-size:.64rem}.oc173-week strong{font-size:.8rem}body[data-oc-puzzle-page] .content>.oc-r47-content-card,body[data-oc-puzzle-page] .content>.oc173-related{max-width:740px}body[data-oc-puzzle-page] .oc-appbar{position:relative!important;top:auto!important;max-width:740px;margin:16px 0!important}.oc173-related{margin:12px 0 18px}.oc173-related h2{font-size:1.15rem!important;margin:0 0 10px!important}.oc173-related .oc-r47-related-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.oc173-related .oc-r47-related-card{padding:11px 12px!important;min-height:0!important}.oc173-related .oc-r47-related-card strong{font-size:.88rem!important;line-height:1.5}.oc173-related .oc-r47-related-card small{display:block;font-size:.78rem!important;line-height:1.5;margin-top:2px}.oc173-related a:focus-visible{outline:3px solid #285f90;outline-offset:3px}@media (max-width:480px){.oc173-controls{gap:6px}.oc173-controls .oc173-button{padding:8px 5px;font-size:.82rem}.oc173-stats{gap:6px}.oc173-stats>div{padding:7px}.oc173-stats strong{font-size:1rem}.oc173-stats span{font-size:.66rem}.oc173-keypad{gap:6px}.oc173-related .oc-r47-related-grid{grid-template-columns:1fr}.oc173-merge{gap:6px;padding:6px}.oc173-group-row{gap:6px}}@media (prefers-reduced-motion:reduce){.oc173-game *{scroll-behavior:auto!important;transition:none!important}}body[data-oc-puzzle-page] .oc173-game h1{font-size:clamp(1.4rem,3.6vw,2rem)!important;line-height:1.2!important;margin:0 0 5px!important}body[data-oc-puzzle-page] .oc173-game :is(.oc30-page-kicker,.oc30-trust-row){display:none!important}body[data-oc-puzzle-page] .content>.oc172-ad-placement{max-width:740px}body[data-oc-puzzle-page] .oc173-game button{margin:0!important;box-shadow:none!important;transform:none!important;transition:none!important;letter-spacing:normal!important;line-height:1.2!important}body[data-oc-puzzle-page] .oc173-game .oc173-button{min-height:42px!important;padding:8px 12px!important;border:1px solid var(--p-line)!important;border-radius:6px!important;background:var(--p-soft)!important;color:var(--p-ink)!important;font-size:.88rem!important;font-weight:650!important}body[data-oc-puzzle-page] .oc173-game .oc173-button.primary{background:var(--p-primary)!important;border-color:var(--p-primary)!important;color:var(--p-surface)!important}body[data-oc-puzzle-page] .oc173-game .oc173-button[aria-pressed=true]{background:var(--p-selected)!important;color:var(--p-selected-ink)!important;border-color:var(--p-selected)!important}body[data-oc-puzzle-page] .oc173-game .oc173-cell{margin:0!important;padding:0!important;min-height:24px!important;border:1px solid var(--p-line)!important;border-radius:5px!important;background:var(--p-surface)!important;color:var(--p-primary)!important;font-size:clamp(1rem,4.5vw,1.55rem)!important;font-weight:600!important;box-shadow:none!important}body[data-oc-puzzle-page] .oc173-game .oc173-cell.is-given{background:var(--p-given)!important;color:var(--p-ink)!important;font-weight:750!important}body[data-oc-puzzle-page] .oc173-game .oc173-cell.is-near{background:var(--p-soft)!important}body[data-oc-puzzle-page] .oc173-game .oc173-cell.is-same{background:var(--p-given)!important;box-shadow:inset 0 0 0 2px var(--p-primary)!important}body[data-oc-puzzle-page] .oc173-game .oc173-cell.is-error{background:var(--p-error-bg)!important;color:var(--p-error)!important}body[data-oc-puzzle-page] .oc173-game .oc173-cell.is-selected{background:var(--p-selected)!important;color:var(--p-selected-ink)!important;box-shadow:inset 0 0 0 2px var(--p-selected)!important}body[data-oc-puzzle-page] .oc173-game .oc173-cell.is-selected.is-error{box-shadow:inset 0 0 0 3px var(--p-error)!important}body[data-oc-puzzle-page] .oc173-game .oc173-cell.is-hint{box-shadow:inset 0 0 0 3px var(--p-primary)!important}body[data-oc-puzzle-page] .oc173-sudoku .oc173-cell{border-width:0 1px 1px 0!important;border-radius:0!important}body[data-oc-puzzle-page] .oc173-sudoku .box-right{border-right:2px solid var(--p-focus)!important}body[data-oc-puzzle-page] .oc173-sudoku .box-bottom{border-bottom:2px solid var(--p-focus)!important}body[data-oc-puzzle-page] .oc173-sudoku .oc173-cell:nth-child(9){border-right:0!important}body[data-oc-puzzle-page] .oc173-sudoku-row:last-child .oc173-cell{border-bottom:0!important}body[data-oc-puzzle-page] .oc173-crossword .oc173-cell{border:2px solid var(--p-line)!important;font-size:clamp(.95rem,4.6vw,1.7rem)!important}body[data-oc-puzzle-page] .oc173-crossword .oc173-cell:not(.is-given){border-style:dashed!important}body[data-oc-puzzle-page] .oc173-match .oc173-cell{min-height:28px!important;font-size:clamp(.95rem,4vw,1.4rem)!important}body[data-oc-puzzle-page] .oc173-game .oc173-cell.is-cleared{background:var(--p-soft)!important;border-color:transparent!important}body[data-oc-puzzle-page] .oc173-groups .oc173-cell{min-height:56px!important;padding:9px 2px!important;font-size:clamp(.95rem,4vw,1.4rem)!important}body[data-oc-puzzle-page] .oc173-keypad .oc173-button{font-size:1.14rem!important;padding:7px 4px!important}body[data-oc-puzzle-page] .oc173-keypad .oc173-button[data-action=erase]{font-size:.8rem!important}body[data-oc-puzzle-page] .oc173-directions .oc173-button{font-size:1.15rem!important}@media (max-width:480px){body[data-oc-puzzle-page] .oc173-controls .oc173-button{padding:8px 5px!important;font-size:.82rem!important}}