:root{--font-display: "Fraunces", "Iowan Old Style", Georgia, serif;--font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "SF Mono", ui-monospace, monospace}:root{color-scheme:light;--bg: #F8F1E0;--fg: #2A1F16;--muted: #6B5C4A;--line: rgba(42, 31, 22, .18);--accent: #4FA487;--accent-2: #3F8AA8;--hint: #F4B860;--wrong: #E84A2D;--panel: #FFF9EA}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--fg);font-family:Inter,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.45}button{font:inherit}.app{min-height:100%;width:100%;max-width:520px;margin:0 auto;padding:18px 20px calc(52px + env(safe-area-inset-bottom,0));display:flex;flex-direction:column;gap:14px}h1{margin:0;font-family:Fraunces,Georgia,serif;font-size:30px;font-weight:650;letter-spacing:0}.muted{color:var(--muted)}.small,.muted.small{font-size:12px}.head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.combined{min-height:36px;padding:8px 10px;border:1px solid var(--line);color:var(--muted);font-size:12px;white-space:nowrap}.streak{color:#c97135;font-weight:700}.mode-row{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.mode,.chip{min-height:38px;border:1px solid var(--line);background:transparent;color:var(--fg);border-radius:0;cursor:pointer;font-size:12px;font-weight:650}.mode.active,.chip.active{background:var(--accent);border-color:var(--accent);color:var(--bg)}.timer{align-self:flex-start;color:var(--accent);font-family:Fraunces,Georgia,serif;font-size:26px;font-variant-numeric:tabular-nums}.number-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;background:#2a1f160f;padding:6px}.number-cell{appearance:none;aspect-ratio:1;border:0;background:#fff;color:var(--fg);cursor:pointer;font-family:Fraunces,Georgia,serif;font-size:24px;font-weight:650;font-variant-numeric:tabular-nums}.number-cell.found{background:var(--accent);color:var(--bg);opacity:.55}.number-cell.hint{outline:2px solid var(--hint);outline-offset:-2px}.number-cell.wrong{background:var(--wrong);color:var(--bg)}.number-cell:active:not(:disabled){transform:scale(.96)}.row-actions,.compact-row{display:flex;gap:8px;flex-wrap:wrap}.done{display:flex;flex-direction:column;gap:8px}.finish-line{margin:0;font-family:Fraunces,Georgia,serif;font-size:22px}.primary,.ghost{min-height:42px;padding:0 18px;border:1px solid var(--line);background:transparent;color:var(--fg);cursor:pointer;border-radius:0;font-weight:650}.primary{background:var(--accent);border-color:var(--accent);color:var(--bg)}.ghost{color:var(--muted)}.reaction-stage{min-height:330px;border:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:10px;cursor:pointer;user-select:none;touch-action:manipulation;text-align:center;font-family:Fraunces,Georgia,serif;font-size:34px}.reaction-stage p{margin:0}.stage-waiting{background:#c97b2d;color:var(--bg)}.stage-go{background:#2ead64;color:var(--bg)}.stage-too-early{background:var(--wrong);color:var(--bg)}.reaction-stage .ms{font-size:86px;line-height:1}.reaction-stage .ms span{margin-left:4px;font-size:24px;opacity:.7}.memory-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.memory-card{min-height:72px;aspect-ratio:1 / 1;border:1px solid var(--line);background:#fff;color:var(--fg);cursor:pointer;font-family:Fraunces,Georgia,serif;font-size:clamp(18px,4.5vw,26px);font-weight:650}.memory-card.flipped{background:var(--panel);border-color:var(--accent)}.sudoku-board{width:min(100%,calc(100vw - 40px),64vh);max-width:480px;margin:0 auto;aspect-ratio:1 / 1;display:grid;grid-template-columns:repeat(9,1fr);gap:1px;padding:1px;background:#2a1f168c}.sudoku-cell{border:0;background:#fff;color:var(--accent-2);cursor:pointer;font-family:Fraunces,Georgia,serif;font-size:clamp(15px,4.2vw,22px);font-weight:650;aspect-ratio:1 / 1}.sudoku-cell.given{background:var(--panel);color:var(--fg);cursor:default}.sudoku-cell.selected{outline:2px solid var(--accent-2);outline-offset:-2px}.sudoku-cell.conflict{color:var(--wrong)}.sudoku-cell.thick-r{box-shadow:inset -1px 0 #2a1f168c}.sudoku-cell.thick-b{box-shadow:inset 0 -1px #2a1f168c}.sudoku-cell.thick-r.thick-b{box-shadow:inset -1px 0 #2a1f168c,inset 0 -1px #2a1f168c}.number-pad{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.number-pad button{min-height:50px;border:1px solid var(--line);background:#fff;color:var(--fg);cursor:pointer;border-radius:0;font-family:Fraunces,Georgia,serif;font-size:22px;font-weight:650}.number-pad button:disabled{opacity:.4;cursor:not-allowed}@media(max-width:390px){.app{padding-left:14px;padding-right:14px}.mode-row{grid-template-columns:repeat(2,1fr)}.number-cell{font-size:21px}.reaction-stage{min-height:280px}}.eyebrow{font-family:var(--font-mono);font-size:.7rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}.score-numeric,.move-count,.time-left{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:-.018em;line-height:.95}.score-numeric.size-hero,.move-count.size-hero,.time-left.size-hero{font-size:clamp(2.8rem,9vw,5.6rem)}.score-numeric.size-card,.move-count.size-card,.time-left.size-card{font-size:clamp(1.6rem,4vw,2.4rem)}.score-numeric .unit,.move-count .unit,.time-left .unit{font-size:.45em;font-weight:600;color:var(--muted);vertical-align:.35em;margin-left:.2em}.game-code,.level-code{font-family:var(--font-mono);font-style:italic;font-weight:500;font-size:.78rem;letter-spacing:.08em;color:var(--accent, currentColor);text-transform:uppercase}.title-hero{font-family:var(--font-display);font-weight:700;letter-spacing:-.022em;font-size:clamp(2.4rem,7vw,4rem);line-height:.95}.title-hero em{font-style:italic;color:var(--accent, currentColor)}