:root{--color-bg:#eef1f6;--color-surface:#fff;--color-surface-sunken:#eef1f6;--color-ink:#171b26;--color-ink-muted:#5b6472;--color-ink-faint:#8a93a3;--color-accent:#2f5aeb;--color-accent-ink:#fff;--color-accent-soft:#2f5aeb1a;--color-accent-soft-strong:#2f5aeb2e;--color-accent-dark:#1d3fb0;--color-amber:#c9820f;--color-amber-soft:#c9820f24;--color-error:#c8323b;--color-error-soft:#c8323b1a;--color-success:#17875a;--color-success-soft:#17875a1a;--color-border:#d7dce6;--color-border-strong:#171b26;--grid-line:#2f5aeb0e;--grid-line-strong:#2f5aeb17;--board-shade:#2f5aeb09;--font-sans:system-ui, "Segoe UI", Roboto, sans-serif;--font-mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--shadow-card:0 1px 2px #171b260a, 0 12px 32px -12px #171b262e;--shadow-elevated:0 2px 4px #171b260d, 0 28px 60px -20px #171b2652;--shadow-modal:0 20px 60px -12px #171b2659;--radius-md:10px;--radius-lg:16px;--radius-xl:22px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--color-ink);background:var(--color-bg);font:16px/1.5 var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}:root[data-theme=dark]{--color-bg:#0e1119;--color-surface:#171b26;--color-surface-sunken:#12161f;--color-ink:#e9ecf3;--color-ink-muted:#a0a9bb;--color-ink-faint:#737d92;--color-accent:#6b90ff;--color-accent-ink:#0b0e16;--color-accent-soft:#6b90ff24;--color-accent-soft-strong:#6b90ff42;--color-accent-dark:#3f6bf5;--color-amber:#e5a943;--color-amber-soft:#e5a94329;--color-error:#f4626c;--color-error-soft:#f4626c29;--color-success:#45cf95;--color-success-soft:#45cf9524;--color-border:#2b3243;--color-border-strong:#aab4cc;--grid-line:#6b90ff0b;--grid-line-strong:#6b90ff13;--board-shade:#6b90ff0b;--shadow-card:0 1px 2px #0006, 0 12px 32px -12px #0009;--shadow-elevated:0 2px 4px #0006, 0 28px 60px -20px #000000bf;--shadow-modal:0 20px 60px -12px #000c;--lightningcss-light: 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auto;display:flex}.site-header__brand{letter-spacing:-.03em;color:var(--color-ink);flex-shrink:0;align-items:baseline;font-size:19px;font-weight:800;text-decoration:none;display:inline-flex}.site-header__brand-mark{color:var(--color-accent);font-family:var(--font-mono);margin-right:3px}.site-nav{flex:1;min-width:0}.site-nav__list{scrollbar-width:none;justify-content:safe center;align-items:center;gap:2px;display:flex;overflow-x:auto}.site-nav__list::-webkit-scrollbar{display:none}.site-nav__link{color:var(--color-ink-muted);white-space:nowrap;border-radius:999px;padding:7px 11px;font-size:13.5px;font-weight:600;text-decoration:none;transition:color .15s,background-color .15s;display:block}.site-nav__link:hover{color:var(--color-ink);background:var(--color-surface-sunken)}.site-nav__link--active{color:var(--color-accent);background:var(--color-accent-soft)}.app__main{width:100%;max-width:920px;padding:22px max(16px, env(safe-area-inset-right)) 44px max(16px, 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p{margin:0}.modal__hint-text{color:var(--color-ink-faint);font-size:13px}.modal__actions{flex-wrap:wrap;gap:10px;margin-top:22px;display:flex}.btn{appearance:none;border:1px solid var(--color-border);background:var(--color-surface);border-radius:var(--radius-md);cursor:pointer;flex:1;padding:10px 18px;font-size:14px;font-weight:700}.btn--primary{background:var(--color-accent);border-color:var(--color-accent);color:var(--color-accent-ink)}.btn--ghost{color:var(--color-ink-muted)}.win-stats{flex-direction:column;gap:8px;margin:0;display:flex}.win-stats__row{border-bottom:1px dashed var(--color-border);justify-content:space-between;align-items:baseline;padding-bottom:6px;display:flex}.win-stats__row dt{text-transform:uppercase;letter-spacing:.05em;color:var(--color-ink-faint);font-size:12px;font-weight:600}.win-stats__row dd{font-family:var(--font-mono);color:var(--color-ink);margin:0;font-size:17px;font-weight:700}@keyframes cell-pop{0%{opacity:0;transform:scale(.4)}60%{opacity:1;transform:scale(1.12)}to{transform:scale(1)}}@keyframes cell-shake{0%,to{transform:translate(0)}20%{transform:translate(-3px)}40%{transform:translate(3px)}60%{transform:translate(-2px)}80%{transform:translate(2px)}}@keyframes card-rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes modal-in{0%{opacity:0;transform:translateY(12px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes overlay-in{0%{opacity:0}to{opacity:1}}.cell__value{animation:.17s ease-out cell-pop}.cell--given .cell__value{animation:none}.cell--wrong{animation:.28s ease-in-out cell-shake}.game-card{animation:.35s ease-out card-rise}.modal-overlay{animation:.18s ease-out overlay-in}.modal{animation:.26s cubic-bezier(.22,1,.36,1) modal-in}@media 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0;font-size:11.5px}kbd{font-family:var(--font-mono);border:1px solid var(--color-border);background:var(--color-surface-sunken);color:var(--color-ink-muted);border-bottom-width:2px;border-radius:4px;padding:1px 5px;font-size:.85em}.game-card--skeleton{opacity:.5}.board--skeleton .cell{cursor:default}.skeleton-bar{border-radius:var(--radius-md);background:var(--color-surface-sunken);width:190px;height:34px}.skeleton-bar--wide{width:280px;max-width:100%}.skeleton-pad{border-radius:var(--radius-md);background:var(--color-surface-sunken);height:220px}.prose{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);width:100%;max-width:74ch;color:var(--color-ink);margin:0 auto;padding:clamp(22px,4vw,42px)}.prose--home{box-shadow:none;background:0 0;border:0;max-width:74ch;padding:8px 0 0}.prose h1{letter-spacing:-.03em;margin:0 0 14px;font-size:clamp(26px,4.5vw,34px);font-weight:800;line-height:1.15}.prose h2{letter-spacing:-.02em;margin:34px 0 10px;font-size:20px;font-weight:700}.prose h3{margin:24px 0 6px;font-size:16px;font-weight:700}.prose h4{margin:22px 0 6px;font-size:15px;font-weight:700}.prose p{color:var(--color-ink-muted);margin:0 0 14px;font-size:15.5px;line-height:1.7}.prose__lead{color:var(--color-ink)!important;margin-bottom:22px!important;font-size:17px!important;line-height:1.65!important}.prose__meta{text-transform:uppercase;letter-spacing:.06em;font-weight:600;color:var(--color-ink-faint)!important;margin-bottom:20px!important;font-size:12.5px!important}.prose__list{flex-direction:column;gap:9px;margin:0 0 16px;padding-left:22px;list-style:outside;display:flex}.prose__list li{color:var(--color-ink-muted);font-size:15.5px;line-height:1.65}.prose__list li::marker{color:var(--color-accent)}.prose strong{color:var(--color-ink);font-weight:700}.prose__callout{border-left:3px solid var(--color-accent);background:var(--color-accent-soft);border-radius:0 var(--radius-md) 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label{letter-spacing:.04em;text-transform:uppercase;color:var(--color-ink-faint);font-size:12px;font-weight:700}.printable__field select{font:inherit;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-ink);border-radius:8px;padding:7px 10px;font-size:14px}.printable__check{color:var(--color-ink-muted);align-items:center;gap:8px;font-size:13.5px;display:flex}.printable__actions{gap:8px;margin-left:auto;display:flex}.printable__actions .btn{white-space:nowrap}.printable__placeholder{color:var(--color-ink-faint);margin:24px 0;font-size:14px}.printable-sheet{margin:8px 0 24px}.printable-sheet__grids{grid-template-columns:1fr;gap:20px;display:grid}.printable-sheet--per2 .printable-sheet__grids,.printable-sheet--per4 .printable-sheet__grids,.printable-sheet--per6 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