:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#101923;--bg-glow:#1e3043;--bg-deep:#0a1018;--paper:#162231;--ink:#edf4ff;--muted:#a6b7ca;--accent:#77aecf;--line:#3b5068;--line-bold:#546d88;--box-divider:#647f9d;--given:#1d2c3e;--active:#2b4662;--error:#ef9b96;--control-bg:#213246;--control-hover:#2a3d53;--control-active:#334a63;--board-bg:#152231;--cell-bg:#152231;--cell-ink:#e0ecfb;--box-tone-a:#152231;--box-tone-b:#172636;--selection-ring:#9bc4e380;--fill-mode-bg:#375673;--fill-mode-active:#416483;--match-fill:#7eb1da29;--match-ink:#ecf7ff;--match-ring:#8fbde080;--stats-finished:#43c98f;--stats-unfinished:#283645;--stats-easy:#56c2e7;--stats-medium:#deb36c;--stats-hard:#e58b8b;--stats-expert:#b992e8;--stats-flame-glow:#ff8c52a8;--radius-sm:10px;--radius-md:14px;--radius-lg:20px;--shadow-soft:0 14px 36px #00000040;--shadow-pop:0 20px 48px #00000054;--focus-outline:color-mix(in srgb,var(--accent)74%,white);--surface-1:color-mix(in srgb,var(--paper)90%,var(--bg)10%);--surface-2:color-mix(in srgb,var(--paper)78%,var(--bg-deep)22%);--surface-3:color-mix(in srgb,var(--paper)63%,var(--bg-deep)37%)}:root[data-theme=slate]{--bg:#101923;--bg-glow:#1e3043;--bg-deep:#0a1018;--paper:#162231;--ink:#edf4ff;--muted:#a6b7ca;--accent:#77aecf;--line:#3b5068;--line-bold:#546d88;--box-divider:#647f9d;--given:#1d2c3e;--active:#2b4662;--error:#ef9b96;--control-bg:#213246;--control-hover:#2a3d53;--control-active:#334a63;--board-bg:#152231;--cell-bg:#152231;--cell-ink:#e0ecfb;--box-tone-a:#152231;--box-tone-b:#172636;--selection-ring:#9bc4e380;--fill-mode-bg:#375673;--fill-mode-active:#416483;--match-fill:#7eb1da29;--match-ink:#ecf7ff;--match-ring:#8fbde080}:root[data-theme=mist]{--bg:#131917;--bg-glow:#21312d;--bg-deep:#0d1210;--paper:#1a2622;--ink:#e8f0ea;--muted:#acbbb4;--accent:#81b29d;--line:#43584f;--line-bold:#5c7669;--box-divider:#6f8a7b;--given:#22332c;--active:#2e4a40;--error:#e29b92;--control-bg:#273a33;--control-hover:#30463d;--control-active:#3a5349;--board-bg:#192723;--cell-bg:#192723;--cell-ink:#dbe8e1;--box-tone-a:#192723;--box-tone-b:#1b2a25;--selection-ring:#9ec7b184;--fill-mode-bg:#3d5d52;--fill-mode-active:#4a6d60;--match-fill:#8fc2aa2b;--match-ink:#ebf7f0;--match-ring:#96c7ae80}:root[data-theme=dusk]{--bg:#151422;--bg-glow:#2a2540;--bg-deep:#0e0d18;--paper:#1d1d2f;--ink:#ece8fb;--muted:#b3aecd;--accent:#9fa8d7;--line:#4e5271;--line-bold:#696f95;--box-divider:#7f85ad;--given:#282944;--active:#373d63;--error:#e6a0a2;--control-bg:#303458;--control-hover:#3a3f67;--control-active:#474d7a;--board-bg:#1f2240;--cell-bg:#1f2240;--cell-ink:#e2ddf4;--box-tone-a:#1f2240;--box-tone-b:#212546;--selection-ring:#afb6df83;--fill-mode-bg:#505887;--fill-mode-active:#5f6999;--match-fill:#a6afe32b;--match-ink:#f4f1ff;--match-ring:#b2bae983}:root[data-theme=amber]{--bg:#1c1811;--bg-glow:#34291b;--bg-deep:#120f0a;--paper:#271f13;--ink:#f8ecd9;--muted:#ccb998;--accent:#c9aa72;--line:#665541;--line-bold:#866f52;--box-divider:#a08765;--given:#352819;--active:#4a3924;--error:#f2a092;--control-bg:#3c2d1c;--control-hover:#4a3723;--control-active:#584229;--board-bg:#261d13;--cell-bg:#261d13;--cell-ink:#ecdcbf;--box-tone-a:#261d13;--box-tone-b:#2a2116;--selection-ring:#dbba8482;--fill-mode-bg:#60472a;--fill-mode-active:#725533;--match-fill:#d2b27c2c;--match-ink:#fff2dc;--match-ring:#d6b78481}:root[data-theme=light]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#eff3fa;--bg-glow:#fbfdff;--bg-deep:#dbe5f2;--paper:#fff;--ink:#162235;--muted:#62738a;--accent:#4f7fa7;--line:#bfccdd;--line-bold:#9eb2c8;--box-divider:#8ca5c0;--given:#dce8f5;--active:#c4dcf4;--error:#bd5151;--control-bg:#f4f8fd;--control-hover:#eaf1fa;--control-active:#e0eaf6;--board-bg:#fff;--cell-bg:#fff;--cell-ink:#1c2b3f;--box-tone-a:#fff;--box-tone-b:#f6f9fe;--selection-ring:#5788b067;--fill-mode-bg:#d8e7f7;--fill-mode-active:#c8dcef;--match-fill:#9dc2e233;--match-ink:#0f2a42;--match-ring:#5f8cb37a;--stats-finished:#1fa86d;--stats-unfinished:#d7e0eb;--stats-easy:#289ac7;--stats-medium:#bf8f3e;--stats-hard:#c36a6a;--stats-expert:#8557bf;--stats-flame-glow:#ff95485f;--shadow-soft:0 12px 30px #10263f1f;--shadow-pop:0 20px 45px #10263f2b;--focus-outline:color-mix(in srgb,var(--accent)78%,#081522);--surface-1:color-mix(in srgb,var(--paper)96%,var(--bg)4%);--surface-2:color-mix(in srgb,var(--paper)88%,var(--bg-deep)12%);--surface-3:color-mix(in srgb,var(--paper)78%,var(--bg-deep)22%)}*{box-sizing:border-box}html{background:var(--bg-deep);min-height:100%;padding:0}html,body{scrollbar-gutter:stable}body{min-height:100svh;color:var(--ink);background:radial-gradient(circle at 8% 8%,color-mix(in srgb,var(--accent)20%,transparent),transparent 36%),radial-gradient(circle at 92% 0%,color-mix(in srgb,var(--bg-glow)70%,transparent),transparent 42%),linear-gradient(165deg,var(--bg-glow)0%,var(--bg)56%,var(--bg-deep)100%);isolation:isolate;place-items:center;margin:0;padding:18px;font-family:DM Sans,system-ui,sans-serif;line-height:1.4;display:grid;position:relative}body:before{content:"";pointer-events:none;background:repeating-linear-gradient(-45deg,transparent 0 14px,color-mix(in srgb,var(--ink)2%,transparent)14px 15px);opacity:.25;z-index:-1;position:fixed;inset:0}:root[data-scroll-lock=on],:root[data-scroll-lock=on] body{overscroll-behavior:none}.app{flex-direction:column;animation:.22s ease-out both app-fade-in;display:flex;overflow:hidden}.app.app-game{width:min(700px,100%);height:min(900px,100svh - 20px);max-height:calc(100svh - 20px);margin:0 auto;padding:12px}.app.app-home,.app.app-panel{justify-content:flex-start;align-items:stretch;width:min(760px,100%);height:min(900px,100svh - 30px);max-height:calc(100svh - 30px);margin:0 auto;padding:0;overflow:hidden}.home-view{background:0 0;border:0;flex:1;grid-template-rows:auto 1fr auto;gap:12px;width:100%;margin:0;padding:26px 20px;display:grid}.panel-view{border:0;flex:1;grid-template-rows:1fr;gap:12px;width:100%;min-height:0;margin:0;padding:24px 20px;display:grid}.panel-view.stats-view{width:100%;min-height:0}.view-title{letter-spacing:.01em;text-transform:none;text-align:center;margin:0;font-family:Space Grotesk,system-ui,sans-serif;font-size:clamp(2rem,4.6vw,2.7rem)}.home-actions{align-content:center;gap:12px;display:grid}.home-bottom-bar{grid-template-columns:auto minmax(0,1fr) auto;gap:10px;margin-top:auto;display:grid}.home-bottom-bar button{white-space:nowrap;text-overflow:ellipsis;min-height:44px;font-size:.92rem;font-weight:700;overflow:hidden}#profile-open{width:auto;box-shadow:none;color:var(--muted);background:0 0;border:0;justify-self:center;padding:4px 8px;font-weight:600}.home-bottom-bar #profile-open:hover,.home-bottom-bar #profile-open:active{box-shadow:none;color:var(--ink);background:0 0;border-color:#0000;transform:none}.home-bottom-bar #profile-open:focus-visible{box-shadow:none;border-color:#0000;outline:none}#stats-open,#settings-open{justify-self:center;width:auto}.home-primary-actions{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;display:grid}.home-actions button{width:100%;min-height:50px;font-size:1rem;font-weight:700}.home-status{min-height:1.2em;color:var(--muted);text-align:center;margin:0;font-size:.85rem}.home-profile-status{color:var(--muted);text-align:center;margin:0;font-size:.78rem}.game-header{border-radius:var(--radius-md);border:1px solid color-mix(in srgb,var(--line)70%,transparent);background:var(--surface-2);grid-template-columns:auto 1fr auto;align-items:center;gap:8px;width:100%;margin:0 0 6px;padding:8px 10px;display:grid}.game-title{text-transform:none;letter-spacing:.02em;text-align:center;margin:0;font-family:Space Grotesk,system-ui,sans-serif;font-size:clamp(1.05rem,2.7vw,1.35rem)}.game-title-stack{justify-items:center;gap:1px;display:grid}.game-subtitle{letter-spacing:.02em;color:var(--muted);text-align:center;margin:0;font-size:.78rem}.game-subbar{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:8px;width:100%;margin:0 0 6px;display:grid}.game-subbar-left{justify-self:start;align-items:center;gap:6px;display:flex}.game-subbar-right{justify-self:end;align-items:center;gap:6px;display:flex}.header-row{justify-content:space-between;align-items:center;gap:8px;padding-bottom:2px;display:flex}.header h1{letter-spacing:.06em;text-transform:uppercase;margin:0;font-size:clamp(1.5rem,3.6vw,2rem)}.header-top-actions{align-items:center;gap:6px;display:flex}.header-controls{justify-content:flex-start;align-items:center;gap:6px;width:min(540px,100%,100svh - 204px);margin:4px auto 2px 0;display:flex}.status-text{width:min(540px,100%,100svh - 204px);color:var(--muted);min-height:1.1em;margin:0 0 4px;font-size:.82rem}.lives{color:var(--ink);letter-spacing:.1em;border:1px solid color-mix(in srgb,var(--line)64%,transparent);background:var(--surface-3);border-radius:999px;margin:0;padding:5px 11px;font-size:1.35rem;font-weight:700;line-height:1}#lives-display{align-items:center;gap:.14em;display:inline-flex}.lives-heart{flex-shrink:0;width:.95em;height:.95em;display:block}.lives-miss{opacity:.56;flex-shrink:0;width:.95em;height:.95em;display:block}.lives.empty{color:var(--error)}button:not([data-sudoku-cell=true]),select{border:1px solid color-mix(in srgb,var(--line)85%,transparent);border-radius:var(--radius-sm);font:inherit;background:linear-gradient(175deg,#ffffff14 0%,transparent 70%),var(--control-bg);color:var(--ink);padding:8px 12px;box-shadow:inset 0 1px #ffffff29,0 1px 2px #0000002e}button:not([data-sudoku-cell=true]){cursor:pointer;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;touch-action:manipulation;transition:background-color .12s,transform 90ms,box-shadow .12s,border-color .12s}button:not([data-sudoku-cell=true]):hover{background:var(--control-hover);border-color:var(--line-bold)}button:not([data-sudoku-cell=true]):active{background:var(--control-active);transform:translateY(1px);box-shadow:inset 0 1px 2px #00000045}button:not([data-sudoku-cell=true]):focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--focus-outline);outline-offset:1px}#new-game,#continue-current-puzzle,#daily-game,#home-button,#undo,#redo,#annotation-mode,#reset-game,#hint,#continue-daily-puzzle,#stats-open,#settings-open{border-color:var(--line-bold)}#undo,#redo,#annotation-mode,#reset-game,#hint,#new-game,#continue-current-puzzle,#daily-game,#continue-daily-puzzle,#home-button,#profile-open,#stats-open,#settings-open{flex-shrink:0}#daily-game.looks-disabled{opacity:.5;color:var(--muted)}#daily-game.looks-disabled:hover,#daily-game.looks-disabled:active{opacity:.68;color:var(--ink);border-color:var(--line-bold);background:color-mix(in srgb,var(--control-bg)72%,var(--control-hover))}button:not([data-sudoku-cell=true]):disabled{opacity:.52;cursor:not-allowed;transform:none}.icon-button{justify-content:center;align-items:center;gap:6px;line-height:1;display:inline-flex}.icon-button svg{flex-shrink:0;width:1.15em;height:1.15em;display:block}.icon-button.has-count{gap:7px}.hint-count{font-variant-numeric:tabular-nums;text-align:center;border-radius:999px;justify-content:center;align-items:center;min-width:1.5em;padding:.1em .42em;font-size:.78em;font-weight:700;line-height:1;display:inline-flex}.home-bottom-bar .icon-button{justify-content:center}.game-subbar .icon-button{min-width:42px}.board-wrap{flex-direction:column;flex:1;gap:6px;width:100%;min-height:0;margin-top:0;display:flex}.game-loading-card{border:1px solid color-mix(in srgb,var(--line)74%,transparent);border-radius:var(--radius-md);background:var(--surface-2);width:min(420px,100%);box-shadow:var(--shadow-soft);margin:auto;padding:16px}.game-loading-card .home-status{margin:0}.board-area{flex:1;justify-content:center;align-items:center;width:100%;min-height:0;display:flex;container-type:size}.board-stack{--subbar-reserve:clamp(36px,8dvh,68px);--numpad-reserve:clamp(40px,9dvh,72px);width:min(100cqi,calc(100cqb - var(--subbar-reserve) - var(--numpad-reserve)));grid-template-rows:auto minmax(0,1fr) auto;align-content:start;gap:6px;max-width:100%;height:auto;max-height:none;display:grid}@supports not (width:1cqi){.board-stack{width:100%}}.pwa-board-theme{--sudoku-font-family:"Space Grotesk",system-ui,sans-serif;--sudoku-board-border-color:var(--box-divider);--sudoku-board-border-width:2px;--sudoku-board-border-radius:14px;--sudoku-square-gap:2px;--sudoku-square-divider-color:var(--line);--sudoku-cell-bg:var(--box-tone-a);--sudoku-cell-bg-alt:var(--box-tone-b);--sudoku-cell-ink:var(--cell-ink);--sudoku-given-bg:var(--given);--sudoku-given-ink:var(--ink);--sudoku-selected-bg:transparent;--sudoku-selected-ring:var(--selection-ring);--sudoku-selected-ring-width:2px;--sudoku-active-bg:var(--sudoku-selected-bg);--sudoku-active-ring:var(--sudoku-selected-ring);--sudoku-match-bg:color-mix(in srgb,var(--match-fill)10%,transparent);--sudoku-match-ink:var(--match-ink);--sudoku-match-ring:transparent;--sudoku-match-ring-width:0px;--sudoku-match-font-weight:900;--sudoku-match-scale:1.2;--sudoku-invalid-ink:var(--error);--sudoku-focus-ring:var(--selection-ring);--sudoku-note-ink:var(--muted);--sudoku-note-font-size:clamp(.5rem,2.45cqi,.86rem);--sudoku-note-highlight-scale:1.35;--sudoku-note-highlight-ink:var(--match-ink);--sudoku-selected-note-ink:var(--ink)}.numpad{grid-template-columns:repeat(9,minmax(0,1fr));gap:6px;width:100%;margin-top:6px;display:grid}.numpad button{border-radius:12px;min-height:clamp(36px,5.4dvh,48px);padding:6px 0;font-size:clamp(.92rem,2.5dvh,1.08rem);font-weight:700}.numpad button.fill-mode,.numpad button.annotation-mode{background:var(--fill-mode-bg);border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--selection-ring)}.numpad.fill-mode-active button:hover,.numpad.annotation-mode-active button:hover{background:var(--control-bg)}.numpad.fill-mode-active button.fill-mode:hover,.numpad.annotation-mode-active button.annotation-mode:hover{background:var(--fill-mode-active)}#annotation-mode.annotation-enabled{background:var(--fill-mode-bg);border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--selection-ring)}#annotation-mode.annotation-enabled:hover{background:var(--fill-mode-active)}.win-banner{display:none!important}.win-modal{border:1px solid color-mix(in srgb,var(--line-bold)78%,transparent);border-radius:var(--radius-md);width:min(360px,100svw - 20px);color:var(--ink);box-shadow:var(--shadow-pop);background:0 0;padding:0}.win-modal::backdrop{background:#0008}.win-card{background:var(--surface-2);padding:16px}.win-card h2{letter-spacing:.02em;margin:0;font-family:Space Grotesk,system-ui,sans-serif;font-size:1.2rem}.win-card p{margin:8px 0 0}.win-actions{grid-template-columns:1fr;gap:8px;margin-top:10px;display:grid}.win-actions button{white-space:normal;text-align:center;width:100%}.profile-view{-webkit-overflow-scrolling:touch;grid-template-rows:auto;align-content:start;gap:12px;min-height:0;overflow-y:auto}.profile-card{border:1px solid color-mix(in srgb,var(--line)72%,transparent);border-radius:var(--radius-md);background:linear-gradient(160deg,#ffffff12 0%,transparent 60%),var(--surface-2);gap:12px;padding:14px;display:grid;box-shadow:inset 0 1px #ffffff1a}.profile-card h2,.profile-card p,.profile-card label{margin:0}.profile-card h2{letter-spacing:.02em;font-size:1rem}.profile-helper{color:var(--muted);font-size:.84rem}.profile-warning{color:color-mix(in srgb,var(--error)82%,var(--ink))}.profile-card input{border:1px solid color-mix(in srgb,var(--line)82%,transparent);border-radius:var(--radius-sm);background:var(--paper);color:var(--ink);font:inherit;padding:9px 11px}.profile-mono{word-break:break-all;font-family:IBM Plex Mono,SFMono-Regular,Consolas,monospace;font-size:.78rem}.profile-meta{border:1px solid color-mix(in srgb,var(--line)72%,transparent);border-radius:var(--radius-sm);background:var(--surface-3);gap:8px;padding:10px;display:grid}.profile-meta-row{gap:4px;display:grid}.profile-meta-label{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-size:.74rem}.profile-actions{flex-wrap:wrap;gap:10px;display:flex}.profile-status,.profile-error{margin:0;font-size:.84rem}.profile-secret-warning{color:var(--muted);font-size:.8rem}.profile-restore-confirm{border:1px solid color-mix(in srgb,var(--line)76%,transparent);border-radius:var(--radius-sm);background:var(--surface-3);gap:10px;padding:10px;display:grid}.profile-info-list{gap:6px;margin:0;padding-left:18px;font-size:.84rem;display:grid}.profile-secret-key{border:1px solid color-mix(in srgb,var(--line)76%,transparent);border-radius:var(--radius-sm);background:var(--surface-3);padding:10px}.profile-error{color:var(--error)}.settings-card{background:0 0;grid-template-rows:auto 1fr auto;gap:14px;width:100%;margin:0;padding:4px;display:grid}.settings-header{justify-content:space-between;align-items:center;gap:10px;margin-bottom:0;padding:2px;display:flex}.settings-header h2{letter-spacing:.01em;text-transform:none;margin:0;font-family:Space Grotesk,system-ui,sans-serif;font-size:1.25rem}.settings-grid{grid-template-columns:1fr;align-content:center;gap:12px;display:grid}.settings-row{border:1px solid color-mix(in srgb,var(--line)70%,transparent);border-radius:var(--radius-md);background:linear-gradient(160deg,#ffffff0f 0%,transparent 70%),var(--surface-2);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;padding:11px 12px;display:grid}.settings-row label{font-weight:700}.settings-control{justify-content:flex-end;justify-self:end;align-items:center;min-width:0;display:flex}.settings-control select{width:min(210px,100%)}.settings-checkbox{width:1rem;height:1rem;accent-color:var(--accent);margin:0}.settings-row-checkbox .settings-control{min-width:1.25rem}.stats{border:0;align-content:start;gap:12px;min-height:0;padding:2px 0 0;display:grid;overflow:auto}.stats-panel{border:1px solid color-mix(in srgb,var(--line)70%,transparent);background:linear-gradient(160deg,#ffffff14 0%,transparent 65%),var(--surface-2);border-radius:var(--radius-md);gap:12px;padding:12px;display:grid}.stats-panel h3{text-transform:none;letter-spacing:.01em;margin:0;font-family:Space Grotesk,system-ui,sans-serif;font-size:.96rem}.daily-summary-line{color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:8px;margin:0;font-size:.82rem;display:flex}.daily-calendar-header{grid-template-columns:auto 1fr auto;align-items:center;gap:8px;display:grid}.daily-calendar-month{text-align:center;text-transform:uppercase;letter-spacing:.05em;margin:0;font-size:.9rem;font-weight:700}.daily-calendar-weekdays{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);grid-template-columns:repeat(7,minmax(0,1fr));gap:4px;font-size:.74rem;display:grid}.daily-calendar-weekdays span{text-align:center}.daily-calendar-grid{grid-template-columns:repeat(7,minmax(0,1fr));gap:4px;display:grid}.daily-calendar-day{border:1px solid color-mix(in srgb,var(--line)75%,transparent);background:var(--surface-3);border-radius:10px;align-content:space-between;justify-items:start;gap:3px;min-height:46px;padding:6px;transition:transform .12s,border-color .12s;display:grid}.daily-calendar-day:hover{border-color:var(--line-bold);transform:translateY(-1px)}.daily-calendar-day.outside-month{opacity:.45}.daily-calendar-day.today{box-shadow:inset 0 0 0 2px var(--selection-ring)}.daily-calendar-day.won{background:color-mix(in srgb,var(--stats-finished)18%,var(--paper))}.daily-calendar-day.lost{background:color-mix(in srgb,var(--error)20%,var(--paper))}.daily-calendar-day-number{color:var(--ink);font-variant-numeric:tabular-nums;font-size:.78rem;font-weight:700}.daily-calendar-day-difficulty{text-align:center;color:var(--muted);margin-left:auto;font-size:.68rem;font-weight:700;line-height:1}.daily-calendar-legend{color:var(--muted);flex-wrap:wrap;gap:10px;font-size:.78rem;display:flex}.daily-calendar-legend span{align-items:center;gap:6px;display:inline-flex}.daily-calendar-legend .legend-swatch{border:1px solid var(--line);background:var(--paper);border-radius:4px;width:.72rem;height:.72rem}.daily-calendar-legend .legend-swatch.won{background:color-mix(in srgb,var(--stats-finished)40%,var(--paper))}.daily-calendar-legend .legend-swatch.lost{background:color-mix(in srgb,var(--error)40%,var(--paper))}.daily-calendar-legend 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