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optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, 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components;@layer utilities{.grid{display:grid}.hidden{display:none}.table{display:table}}:root{--bg:#eef0ec;--surface:#fff;--ink:#1f2622;--ink-2:#5f6a63;--line:#d9ddd7;--accent:#4f7a5e;--on-accent:#fff;--tile:#c9d0c8;--tile-hi:#e3e8e2;--tile-lo:#a9b2a8;--open:#f7f8f5;--open-line:#e2e5df;--boom:#c0453a;--n1:#3a64b0;--n2:#3e8a5a;--n3:#c0453a;--n4:#5b3fa0;--n5:#8a4a2a;--n6:#2e8a8a;--n7:#2b2f33;--n8:#7a7f86;--ink-3:#87918a;--accent-soft:#e2ece5;--boom-soft:#f6e1de;--guess:#b98a2a;--guess-soft:#f6ecd6;--dg-cell:34px;--dg-wall:3px solid var(--ink-2);--dg-open-edge:2px dashed var(--line)}@media 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16px}.main{flex-direction:column;gap:24px;padding-top:20px;padding-bottom:48px;display:flex}.site-header{border-bottom:1px solid var(--line);background:var(--bg)}.header-row{flex-wrap:wrap;align-items:center;gap:4px 16px;padding-top:10px;padding-bottom:6px;display:flex}.logo{white-space:nowrap;align-items:center;gap:10px;font-size:18px;font-weight:800;text-decoration:none;display:inline-flex}.logo img{border-radius:8px}.nav{scrollbar-width:none;gap:4px;width:calc(100% + 32px);margin:0 -16px;padding:2px 16px 4px;display:flex;overflow-x:auto;-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 40px),#0000);mask-image:linear-gradient(90deg,#000 calc(100% - 40px),#0000)}.nav::-webkit-scrollbar{display:none}.nav a{color:var(--ink-2);white-space:nowrap;border-radius:999px;flex:none;padding:6px 12px;font-size:15px;font-weight:600;text-decoration:none}.nav a:hover{color:var(--ink);background:var(--surface)}.nav a[data-active]{background:var(--accent);color:var(--on-accent)}@media (min-width:960px){.header-row{flex-wrap:nowrap;padding-top:12px;padding-bottom:12px}.nav{width:auto;margin:0 0 0 auto;padding:0;-webkit-mask-image:none;mask-image:none}}.page-intro{flex-direction:column;gap:6px;display:flex}.page-intro h1,.article h1,.not-found h1{letter-spacing:-.01em;font-size:clamp(26px,5vw,36px);font-weight:800;line-height:1.2}.tagline{color:var(--accent);font-size:18px;font-weight:700}.lead{max-width:46rem;color:var(--ink-2);font-size:17px}.muted{color:var(--ink-3)}.play{flex-direction:column;align-items:center;gap:12px;display:flex}.toolbar{background:var(--surface);font-variant-numeric:tabular-nums;border-radius:12px;justify-content:space-between;align-items:center;gap:8px;width:100%;max-width:48rem;min-height:52px;padding:8px 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var(--tile-hi)}.dg-safe{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.dg-deduced{background:var(--boom-soft);border-color:var(--boom);color:var(--boom)}.dg-flag{color:var(--accent)}.dg-mine{color:var(--boom)}.dg-guess{background:var(--guess-soft);border-color:var(--guess);color:var(--guess)}.dg-focus{outline:3px solid var(--n1);outline-offset:-1px;z-index:1;position:relative}.dg-legend{color:var(--ink-2);flex-wrap:wrap;gap:8px 18px;font-size:14px;display:flex}.dg-legend li{align-items:center;gap:8px;display:flex}.dg-legend span{--dg-cell:24px;font-size:13px}@media (max-width:380px){:root{--dg-cell:30px}}.site-footer{border-top:1px solid var(--line);color:var(--ink-2);padding:32px 0 40px;font-size:15px}.footer-grid{grid-template-columns:1fr 1fr;gap:24px;display:grid}.footer-brand,.footer-grid>div:last-child{flex-direction:column;grid-column:1/-1;gap:6px;display:flex}.footer-grid h2{letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin-bottom:6px;font-size:13px;font-weight:800}.footer-grid ul{flex-direction:column;gap:6px;display:flex}.footer-grid a,.footer-langs a{overflow-wrap:anywhere;text-decoration:none}.footer-grid a:hover,.footer-langs a:hover{color:var(--ink);text-decoration:underline}@media (min-width:760px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}.footer-brand,.footer-grid>div:last-child{grid-column:auto}}.footer-langs{border-top:1px solid var(--line);flex-wrap:wrap;gap:6px 14px;margin-top:24px;padding-top:16px;display:flex}.footer-langs a[aria-current]{color:var(--ink);font-weight:700}.copyright{color:var(--ink-3);margin-top:16px;font-size:13px}.not-found{justify-content:center;min-height:70vh}