.sdk{--grid:#3b3650;--thin:#d6d2e3;--cell:var(--surface);--peer:#f0ecfb;--same:#ddd2ff;--sel:#c9b8ff;--given:var(--text);--user:#5a2fd6;--wrong:#e03b3b;--wrong-bg:#fde8e8;--hint:#0f9b73;--note:#6b6880;max-width:860px;margin:0 auto}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .sdk{--grid:#8e87a8;--thin:#36304a;--peer:#242033;--same:#3a2f63;--sel:#4b3c80;--user:#b39cff;--wrong:#ff6b6b;--wrong-bg:#3a1f26;--hint:#3fd3a4;--note:#9a96ad}}:root[data-theme=dark] .sdk{--grid:#8e87a8;--thin:#36304a;--peer:#242033;--same:#3a2f63;--sel:#4b3c80;--user:#b39cff;--wrong:#ff6b6b;--wrong-bg:#3a1f26;--hint:#3fd3a4;--note:#9a96ad}.s-head{flex-wrap:wrap;align-items:center;gap:8px 12px;margin:16px 0 10px;display:flex}.s-head h1{letter-spacing:-.02em;margin:0 auto 0 0;font-size:30px}.s-levels{background:var(--surface-2);border-radius:10px;gap:4px;padding:3px;display:flex}.s-levels button{color:var(--muted);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:8px;padding:6px 12px;font-size:14px;font-weight:600}.s-levels button:hover{color:var(--text)}.s-levels button.on{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}.s-main{gap:16px;display:grid}@media (width>=860px){.s-main{grid-template-columns:minmax(0,1fr) 280px;align-items:start}}.s-info{color:var(--muted);align-items:center;gap:16px;margin-bottom:8px;font-size:14px;display:flex}.s-info b{color:var(--text);font-variant-numeric:tabular-nums}.s-info .s-clock{align-items:center;gap:6px;margin-left:auto;display:flex}.s-info .s-clock b{text-align:right;min-width:44px;font-size:16px}.s-boardwrap{position:relative}.s-board{aspect-ratio:1;border:2px solid var(--grid);background:var(--grid);-webkit-user-select:none;user-select:none;touch-action:manipulation;border-radius:6px;grid-template-rows:repeat(3,minmax(0,1fr));grid-template-columns:repeat(3,minmax(0,1fr));gap:2px;display:grid;overflow:hidden;container-type:inline-size}.s-board.blur .s-cell>*{visibility:hidden}.s-cell{-webkit-tap-highlight-color:transparent;background:var(--cell);cursor:pointer;place-items:center;min-width:0;min-height:0;display:grid;position:relative;overflow:hidden}.s-box{background:var(--thin);grid-template-rows:repeat(3,minmax(0,1fr));grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;min-height:0;display:grid}.s-cell.peer{background:var(--peer)}.s-cell.same{background:var(--same)}.s-cell.sel{background:var(--sel)}.s-cell.wrong{background:var(--wrong-bg)}.s-cell.wrong.sel{background:var(--sel)}.s-v{color:var(--given);font-size:6.4cqi;font-weight:500;line-height:1}.s-cell.given .s-v{font-weight:700}.s-cell.user .s-v{color:var(--user)}.s-cell.hinted .s-v{color:var(--hint)}.s-cell.wrong .s-v,.s-cell.clash .s-v{color:var(--wrong)}.s-n{color:var(--note);grid-template-columns:repeat(3,1fr);font-size:2.3cqi;font-weight:600;line-height:1;display:none;position:absolute;inset:6%}.s-cell.has-notes .s-n{display:grid}.s-n i{visibility:hidden;border-radius:3px;place-items:center;font-style:normal;display:grid}.s-n i.on{visibility:visible}.s-n i.hl{background:var(--user);color:var(--surface)}.s-overlay{z-index:3;text-align:center;background:color-mix(in srgb, var(--bg) 94%, transparent);border-radius:6px;place-content:center;gap:12px;padding:16px;display:grid;position:absolute;inset:0}.s-overlay[hidden]{display:none}.s-overlay h2{margin:0;font-size:30px}.s-overlay [data-when]{display:none}.s-overlay[data-kind=done] [data-when=done],.s-overlay[data-kind=paused] [data-when=paused]{display:contents}.s-result{text-align:left;grid-template-columns:auto auto;gap:4px 20px;margin:0 auto;font-size:15px;display:grid}.s-result dt{color:var(--muted)}.s-result dd{font-variant-numeric:tabular-nums;text-align:right;margin:0;font-weight:700}.s-tools{grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:12px;display:grid}.s-tool{color:var(--text);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:10px;justify-items:center;gap:2px;padding:8px 4px;font-size:13px;display:grid;position:relative}.s-tool:hover{background:var(--surface-2)}.s-tool:disabled{opacity:.4;cursor:default;background:0 0}.s-tool svg{width:24px;height:24px}.s-tool .badge{background:var(--surface-2);color:var(--muted);border-radius:6px;padding:1px 5px;font-size:10px;font-weight:800;position:absolute;top:4px;right:calc(50% - 26px)}.s-tool.on .badge{background:var(--brand);color:var(--brand-ink)}.s-pad{grid-template-columns:repeat(9,1fr);gap:4px;margin-bottom:12px;display:grid}.s-key{-webkit-tap-highlight-color:transparent;aspect-ratio:3/4;background:var(--surface-2);color:var(--user);cursor:pointer;font:inherit;border:0;border-radius:10px;align-content:center;justify-items:center;gap:0;display:grid}.s-key b{font-size:clamp(22px,6.5vw,30px);font-weight:600;line-height:1.1}.s-key small{color:var(--muted);min-height:14px;font-size:11px}.s-key:hover{filter:brightness(.97)}.s-key:active{transform:scale(.96)}.s-key.used{opacity:.3}.s-side .btn-new{width:100%}@media (width>=860px){.s-side{padding-top:30px}.s-pad{grid-template-columns:repeat(3,1fr);gap:8px}.s-key{aspect-ratio:1}.s-key b{font-size:32px}}@media (width<=859px){.s-side{flex-direction:column;display:flex}.s-side .btn-new{order:3}}