.takuzu-shell{display:grid;gap:1rem;justify-items:center;width:min(100%,58rem);margin:0 auto}.takuzu-hud{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;width:100%}.takuzu-hud div{display:grid;gap:.12rem;min-width:5rem;padding:.48rem .68rem;border:1px solid var(--border-subtle,#d7dbe4);border-radius:.8rem;background:var(--surface-elevated,#fff);text-align:center}.takuzu-hud span{color:var(--text-muted,#64748b);font-size:.66rem;text-transform:uppercase;letter-spacing:.055em}.takuzu-hud strong{font-size:.9rem}.takuzu-board-wrap{width:min(94vw,42rem);padding:.42rem;border-radius:1rem;background:linear-gradient(135deg,color-mix(in srgb,var(--game-accent,#2563eb) 28%,transparent),color-mix(in srgb,var(--game-accent-2,#38bdf8) 22%,transparent));box-shadow:0 20px 55px rgba(15,23,42,.13)}.takuzu-board{display:grid;aspect-ratio:1;gap:2px;padding:2px;border:1px solid color-mix(in srgb,var(--text-strong,#172033) 30%,transparent);border-radius:.72rem;overflow:hidden;background:color-mix(in srgb,var(--text-muted,#64748b) 20%,transparent)}.takuzu-cell{position:relative;display:grid;place-items:center;min-width:0;min-height:0;padding:0;border:0;background:var(--surface-elevated,#fff);color:var(--text-strong,#172033);font:800 clamp(.82rem,4.4vw,1.55rem)/1 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;cursor:pointer;transition:transform .12s ease,background .12s ease,color .12s ease,box-shadow .12s ease}.takuzu-cell:hover:not(:disabled){z-index:2;transform:translateY(-1px);box-shadow:inset 0 0 0 2px color-mix(in srgb,var(--game-accent,#2563eb) 42%,transparent)}.takuzu-cell.is-zero{background:color-mix(in srgb,var(--surface-elevated,#fff) 82%,#dbeafe 18%);color:#1d4ed8}.takuzu-cell.is-one{background:linear-gradient(145deg,color-mix(in srgb,var(--game-accent,#2563eb) 90%,#0f172a 10%),color-mix(in srgb,var(--game-accent-2,#38bdf8) 82%,#0369a1 18%));color:#fff;text-shadow:0 1px 1px rgba(15,23,42,.2)}.takuzu-cell.is-fixed{font-weight:950;cursor:default}.takuzu-cell.is-fixed::after{content:"";position:absolute;top:9%;right:9%;width:.28rem;height:.28rem;border-radius:50%;background:currentColor;opacity:.48}.takuzu-cell.is-fixed.is-zero{box-shadow:inset 0 0 0 2px color-mix(in srgb,#1d4ed8 28%,transparent)}.takuzu-cell.is-fixed.is-one{box-shadow:inset 0 0 0 2px rgba(255,255,255,.42)}.takuzu-cell.is-conflict{z-index:3;box-shadow:inset 0 0 0 3px #ef4444,0 0 0 1px #ef4444}.takuzu-cell:focus-visible{z-index:4;outline:3px solid #f59e0b;outline-offset:-4px}.takuzu-cell:disabled{cursor:default;opacity:1}.takuzu-legend{display:flex;flex-wrap:wrap;justify-content:center;gap:.55rem;color:var(--text-muted,#64748b);font-size:.78rem}.takuzu-legend span{display:inline-flex;align-items:center;gap:.35rem;padding:.28rem .55rem;border:1px solid var(--border-subtle,#d7dbe4);border-radius:999px;background:var(--surface-elevated,#fff)}.takuzu-legend b{display:grid;place-items:center;width:1.42rem;height:1.42rem;border-radius:.4rem;background:color-mix(in srgb,var(--game-accent,#2563eb) 13%,var(--surface-elevated,#fff));color:var(--game-accent,#2563eb)}.takuzu-instructions{margin:0;max-width:44rem;color:var(--text-muted,#64748b);font-size:.82rem;text-align:center}.takuzu-shell.is-complete .takuzu-board-wrap{animation:takuzu-complete .55s ease}.takuzu-shell.is-complete .takuzu-cell{filter:saturate(1.08)}@keyframes takuzu-complete{50%{transform:scale(1.012);box-shadow:0 22px 62px color-mix(in srgb,var(--game-accent-2,#38bdf8) 28%,transparent)}}@media(max-width:640px){.takuzu-shell{gap:.75rem}.takuzu-board-wrap{width:min(96vw,38rem);padding:.32rem;border-radius:.78rem}.takuzu-board{gap:1px;padding:1px;border-radius:.55rem}.takuzu-hud{gap:.3rem}.takuzu-hud div{min-width:4rem;padding:.36rem .44rem}.takuzu-hud span{font-size:.58rem}.takuzu-hud strong{font-size:.78rem}.takuzu-instructions{font-size:.74rem}.takuzu-legend{gap:.35rem;font-size:.7rem}}@media(max-width:380px){.takuzu-board-wrap{width:100%}.takuzu-hud div{min-width:3.7rem}.takuzu-cell{font-size:clamp(.72rem,4.8vw,1rem)}.takuzu-cell.is-fixed::after{width:.2rem;height:.2rem}}@media(prefers-color-scheme:dark){.takuzu-cell.is-zero{background:color-mix(in srgb,var(--surface-elevated,#111827) 82%,#1e3a8a 18%);color:#93c5fd}}@media(prefers-reduced-motion:reduce){.takuzu-cell{transition:none}.takuzu-shell.is-complete .takuzu-board-wrap{animation:none}}