.sk-wrap{--sk-w: min(438px, 94vw, calc(100dvh - 312px) );display:flex;flex-direction:column;align-items:center;gap:clamp(.55rem,1.8vw,.85rem);width:100%}.sk-diffs{display:flex;gap:.2rem;padding:.22rem;width:var(--sk-w);border:1px solid var(--border);border-radius:12px;background:var(--surface-2)}.sk-diff{flex:1;padding:.42rem .3rem;border:0;border-radius:8px;background:transparent;color:var(--muted);font-family:var(--font-ui);font-size:.8rem;font-weight:600;letter-spacing:-.01em;cursor:pointer;transition:background .15s ease,color .15s ease,box-shadow .15s ease}.sk-diff.is-active{background:var(--surface);color:var(--text);box-shadow:var(--shadow-raised)}@media(hover:hover)and (pointer:fine){.sk-diff:not(.is-active):hover{color:var(--text)}}.sk-meta{display:flex;align-items:center;justify-content:space-between;gap:.8rem;width:var(--sk-w);font-family:var(--font-ui);font-size:.78rem;color:var(--muted)}.sk-meta b{color:var(--text);font-weight:600}.sk-timer{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--text);font-weight:600}.sk-mistakes.has{color:var(--danger)}.sk-board{position:relative;width:var(--sk-w);aspect-ratio:1;display:grid;grid-template-columns:repeat(9,1fr);grid-template-rows:repeat(9,1fr);border:2px solid var(--text);border-radius:8px;overflow:hidden;background:var(--surface);box-shadow:var(--shadow-raised);-webkit-user-select:none;user-select:none}.sk-cell{position:relative;display:grid;place-items:center;border:.5px solid var(--border);background:transparent;color:var(--accent);cursor:pointer;padding:0;font-family:var(--font-ui);font-weight:600;line-height:1;font-size:clamp(1.05rem,4.6vw,1.7rem);-webkit-tap-highlight-color:transparent;transition:background .1s ease}.sk-cell.bxr{border-right:2px solid var(--text)}.sk-cell.bxb{border-bottom:2px solid var(--text)}.sk-cell.is-given{color:var(--text);font-weight:700;cursor:default}.sk-cell.is-conflict{color:var(--danger)}.sk-cell.peer{background:color-mix(in srgb,var(--accent) 7%,transparent)}.sk-cell.same{background:color-mix(in srgb,var(--accent) 16%,transparent)}.sk-cell.sel{background:color-mix(in srgb,var(--accent) 26%,transparent);box-shadow:inset 0 0 0 2px var(--accent)}.sk-cell.sel.is-conflict{box-shadow:inset 0 0 0 2px var(--danger)}.sk-notes{position:absolute;inset:6%;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);pointer-events:none}.sk-notes span{display:grid;place-items:center;font-family:var(--font-mono);font-weight:500;font-size:clamp(.42rem,1.9vw,.66rem);color:var(--muted);line-height:1}.sk-tools{display:flex;gap:.5rem;justify-content:center;width:var(--sk-w)}.sk-tool{flex:1;display:flex;flex-direction:column;align-items:center;gap:.18rem;padding:.5rem .3rem;border:1px solid var(--border);border-radius:12px;background:var(--surface);color:var(--text);cursor:pointer;box-shadow:var(--shadow-raised);transition:border-color .15s ease,transform .12s ease,background .15s ease}@media(hover:hover)and (pointer:fine){.sk-tool:hover{border-color:color-mix(in srgb,var(--accent) 45%,var(--border));transform:translateY(-1px)}}.sk-tool:active{transform:translateY(0)}.sk-tool svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.sk-tool span{font-family:var(--font-ui);font-size:.62rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600}.sk-tool.is-on{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,var(--surface))}.sk-tool.is-on span,.sk-tool.is-on svg{color:var(--accent)}.sk-tool .sk-badge{position:absolute}.sk-tool[data-badge]:after{content:attr(data-badge);position:absolute;top:4px;right:8px;font-family:var(--font-mono);font-size:.58rem;color:var(--muted);font-weight:600}.sk-tool{position:relative}.sk-tool:disabled{opacity:.45;cursor:default;transform:none}.sk-pad{display:grid;grid-template-columns:repeat(9,1fr);gap:.32rem;width:var(--sk-w)}.sk-num{position:relative;aspect-ratio:1;display:grid;place-items:center;border:1px solid var(--border);border-radius:11px;background:var(--surface);color:var(--text);cursor:pointer;box-shadow:var(--shadow-keycap);font-family:var(--font-ui);font-weight:600;font-size:clamp(1rem,4.4vw,1.4rem);transition:border-color .12s ease,transform .1s ease,background .12s ease}@media(hover:hover)and (pointer:fine){.sk-num:hover{border-color:color-mix(in srgb,var(--accent) 50%,var(--border));background:var(--surface-2)}}.sk-num:active{transform:translateY(1px);box-shadow:var(--shadow-pressed, var(--shadow-keycap))}.sk-num .sk-rem{position:absolute;bottom:2px;font-family:var(--font-mono);font-size:.5rem;color:var(--muted);font-weight:600;line-height:1}.sk-num.done{opacity:.38;pointer-events:none}.sk-actions{display:flex;gap:.6rem;justify-content:center;width:var(--sk-w)}.sk-actions .btn{cursor:pointer}.sk-overlay{position:absolute;inset:0;display:none;place-items:center;text-align:center;z-index:6;padding:1.1rem;border-radius:8px;background:color-mix(in srgb,var(--surface) 82%,transparent);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);animation:sk-fade .2s ease both}@keyframes sk-fade{0%{opacity:0}to{opacity:1}}.sk-overlay.show{display:grid}.sk-over-kicker{font-family:var(--font-ui);font-size:.64rem;text-transform:uppercase;letter-spacing:.16em;font-weight:700;color:var(--ink-gold);margin-bottom:.35rem}.sk-over-title{font-family:var(--font-display);font-weight:600;font-variation-settings:"opsz" 40;font-size:clamp(1.6rem,6.5vw,2.2rem);letter-spacing:-.02em;color:var(--text);line-height:1.05}.sk-over-sub{color:var(--muted);font-size:.95rem;line-height:1.5;margin:.5rem 0 1.05rem}.sk-over-sub b{color:var(--text);font-weight:700}.sk-over-actions{display:flex;gap:.55rem;flex-wrap:wrap;justify-content:center}.sk-hint-line{color:var(--muted);font-size:.78rem;text-align:center;line-height:1.5}@media(prefers-reduced-motion:reduce){.sk-cell,.sk-num,.sk-tool{transition:none}.sk-overlay{animation:none}}.sk-copy{max-width:var(--readw, 68ch);margin:clamp(1.8rem,5vw,2.8rem) auto 0}.sk-copy h2{font-family:var(--font-display);font-weight:500;font-variation-settings:"opsz" 40;font-size:clamp(1.25rem,3.6vw,1.6rem);letter-spacing:-.01em;color:var(--text);margin:clamp(1.4rem,3.5vw,2rem) 0 .6rem}.sk-copy h2:first-child{margin-top:0}.sk-copy p{color:var(--muted);font-size:1rem;line-height:1.7;margin:0 0 .9rem}.sk-copy p strong,.sk-copy li strong{color:var(--text);font-weight:600}.sk-copy ul{list-style:none;margin:0 0 .9rem;padding:0;display:grid;gap:.7rem}.sk-copy li{position:relative;padding-left:1.35rem;color:var(--muted);font-size:1rem;line-height:1.65}.sk-copy li:before{content:"";position:absolute;left:0;top:.6em;width:7px;height:7px;border-radius:2px;background:var(--ink-gold)}.sk-ad{display:flex;justify-content:center;margin:clamp(1.6rem,4vw,2.6rem) 0 clamp(1rem,2.5vw,1.4rem)}.modal-mini{font-size:.82rem;color:var(--muted)}.modal-sub{font-family:var(--font-ui);font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-weight:700;margin:.3rem 0 -.4rem}