@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-cyrillic-ext-opsz-normal.CfYZpDVp.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-cyrillic-opsz-normal.BFQXbQ-f.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-greek-ext-opsz-normal.BmPQvyvo.woff2)format("woff2-variations");unicode-range:U+1F??}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-greek-opsz-normal.BM0NlUE_.woff2)format("woff2-variations");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-vietnamese-opsz-normal.Ci9T9ieq.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-latin-ext-opsz-normal.DpK-iCPk.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-latin-opsz-normal.BwkfbSeq.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{color-scheme:light dark;--pad:#fff;--band:#e8ebe6;--sheet:#fff;--sunk:#f1f3ef;--tint:#e2f6d5;--ink-1:#0e0f0c;--ink-2:#454745;--ink-3:#5f625c;--line:#dde1d9;--line-strong:#868685;--grid:#e3e7df;--link:#163300;--link-wash:#e2f6d5;--on-link:#fff;--accent:#9fe870;--accent-hover:#b8f28f;--on-accent:#0e0f0c;--halo:#9fe8708c;--hl-bg:#9fe870;--hl-ink:#0e0f0c;--key-eq:#9fe870;--red:#b3242b;--red-wash:#fbe9e9;--good-ink:#054d28;--series-1:#2a78d6;--series-2:#eb6834;--series-3:#1baf7a;--series-4:#eda100;--series-5:#e87ba4;--status-good:#0ca30c;--status-warning:#fab219;--status-serious:#ec835a;--status-critical:#d03b3b;--seq-1:#b7d3f6;--seq-2:#9ec5f4;--seq-3:#6da7ec;--seq-4:#5598e7;--seq-5:#2a78d6;--seq-6:#1c5cab;--seq-7:#104281;--neutral-fill:#d9ded5;--font:"Inter Variable", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--font-zh:"Inter Variable", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;--font-ja:"Inter Variable", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", "Noto Sans JP", sans-serif;--font-hi:"Inter Variable", "Kohinoor Devanagari", "Nirmala UI", "Mangal", "Noto Sans Devanagari", sans-serif;--font-ar:"Inter Variable", "SF Arabic", "Geeza Pro", "Segoe UI", "Tahoma", "Noto Sans Arabic", sans-serif;--mono:ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;--r-sm:8px;--r-md:12px;--r-lg:16px;--r-xl:24px;--r-pill:999px;--r-sheet:var(--r-xl);--r-control:var(--r-md);--shadow-pop:0 24px 56px -24px #0e0f0c59;--gutter:16px;--measure:68ch;--wide:1200px;accent-color:var(--link)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--pad:#0e0f0c;--band:#151912;--sheet:#1a1f16;--sunk:#20261b;--tint:#223019;--ink-1:#eef2ea;--ink-2:#c2c9bc;--ink-3:#9ea696;--line:#2d3528;--line-strong:#6f7868;--grid:#232a1f;--link:#9fe870;--link-wash:#223019;--on-link:#0e0f0c;--halo:#9fe87059;--hl-bg:transparent;--hl-ink:#9fe870;--red:#ff8a80;--red-wash:#3a1614;--good-ink:#8fdc9f;--series-1:#3987e5;--series-2:#d95926;--series-3:#199e70;--series-4:#c98500;--series-5:#d55181;--seq-1:#184f95;--seq-2:#1c5cab;--seq-3:#256abf;--seq-4:#2a78d6;--seq-5:#3987e5;--seq-6:#6da7ec;--seq-7:#9ec5f4;--neutral-fill:#353e30;--shadow-pop:0 24px 56px -20px #000000b3}}:root[data-theme=dark]{--pad:#0e0f0c;--band:#151912;--sheet:#1a1f16;--sunk:#20261b;--tint:#223019;--ink-1:#eef2ea;--ink-2:#c2c9bc;--ink-3:#9ea696;--line:#2d3528;--line-strong:#6f7868;--grid:#232a1f;--link:#9fe870;--link-wash:#223019;--on-link:#0e0f0c;--halo:#9fe87059;--hl-bg:transparent;--hl-ink:#9fe870;--red:#ff8a80;--red-wash:#3a1614;--good-ink:#8fdc9f;--series-1:#3987e5;--series-2:#d95926;--series-3:#199e70;--series-4:#c98500;--series-5:#d55181;--seq-1:#184f95;--seq-2:#1c5cab;--seq-3:#256abf;--seq-4:#2a78d6;--seq-5:#3987e5;--seq-6:#6da7ec;--seq-7:#9ec5f4;--neutral-fill:#353e30;--shadow-pop:0 24px 56px -20px #000000b3}.answer-sheet,.peek,.on-dark{color-scheme:dark;--sheet:#0e0f0c;--sunk:#1b1f17;--tint:#223019;--ink-1:#f4f7f0;--ink-2:#c7cec1;--ink-3:#9aa294;--line:#2e3529;--line-strong:#737c6c;--link:#9fe870;--link-wash:#223019;--on-link:#0e0f0c;--halo:#9fe87059;--hl-bg:transparent;--hl-ink:#9fe870;--red:#ff8a80;--red-wash:#3a1614;--good-ink:#8fdc9f;--series-1:#3987e5;--series-2:#d95926;--series-3:#199e70;--series-4:#c98500;--series-5:#d55181;--seq-1:#184f95;--seq-2:#1c5cab;--seq-3:#256abf;--seq-4:#2a78d6;--seq-5:#3987e5;--seq-6:#6da7ec;--seq-7:#9ec5f4;--neutral-fill:#353e30;accent-color:#9fe870;color:var(--ink-1)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .answer-sheet{--sheet:#162012;--sunk:#1d2918;--line:#2f3d28;border-color:#3c5a2a}}:root[data-theme=dark] .answer-sheet{--sheet:#162012;--sunk:#1d2918;--line:#2f3d28;border-color:#3c5a2a}*,:before,:after{box-sizing:border-box}[hidden]{display:none!important}html{-webkit-text-size-adjust:100%;scrollbar-gutter:stable}body{min-height:100vh;font-family:var(--font);font-feature-settings:"calt" 1;font-optical-sizing:auto;color:var(--ink-1);background-color:var(--pad);-webkit-font-smoothing:antialiased;flex-direction:column;margin:0;font-size:1.0625rem;line-height:1.55;display:flex}main{flex:1}img,svg{max-width:100%;display:block}a{color:var(--link);text-underline-offset:.18em;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:2px solid var(--link);outline-offset:2px}h1,h2,h3{text-wrap:balance;margin:0;line-height:1.1}h1{letter-spacing:-.035em;font-size:clamp(2.25rem,1.4rem + 3.4vw,3.75rem);font-weight:900;line-height:.98}h2{letter-spacing:-.025em;font-size:clamp(1.5rem,1.25rem + .9vw,2rem);font-weight:800}h3{letter-spacing:-.01em;font-size:1.125rem;font-weight:700}p{margin:0}.visually-hidden{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{inset-inline-start:var(--gutter);z-index:50;background:var(--accent);color:var(--on-accent);border-radius:var(--r-pill);padding:.5rem 1rem;font-weight:600;position:absolute;top:-100px}.skip-link:focus{top:8px}.wrap{width:100%;max-width:var(--wide);padding-inline:var(--gutter);margin-inline:auto}@media (width>=720px){:root{--gutter:28px}}.num{font-variant-numeric:tabular-nums}.band{background:var(--band);padding-bottom:40px}@media (width>=720px){.band{padding-bottom:56px}}:lang(zh) body,body:lang(zh){font-family:var(--font-zh)}:lang(ja) body,body:lang(ja){font-family:var(--font-ja)}:lang(hi) body,body:lang(hi){font-family:var(--font-hi);line-height:1.7}:lang(ar) body,body:lang(ar){font-family:var(--font-ar);line-height:1.75}:is(:lang(zh),:lang(ja),:lang(hi),:lang(ar)) :is(h1,h2,h3,.answer-figure,.brand,.hero h1){letter-spacing:0}:is(:lang(zh),:lang(ja),:lang(hi),:lang(ar)) :is(h1,.answer-figure){font-weight:800}:is(:lang(zh),:lang(ja)) h1{line-height:1.15}:is(:lang(hi),:lang(ar)) :is(h1,h2,h3){line-height:1.35}:lang(ar) :is(.ledger dd,.peek-value,table.figures td,.viz-tip strong,.input input){direction:ltr;unicode-bidi:isolate}:lang(ar) .answer-figure{text-align:right;direction:ltr;unicode-bidi:isolate}.site-header{background:var(--band);padding-block:14px}.site-header .wrap{flex-wrap:wrap;align-items:center;gap:12px 24px;display:flex}.brand{color:var(--ink-1);letter-spacing:-.03em;align-items:center;gap:10px;margin-inline-end:auto;font-size:1.25rem;font-weight:800;text-decoration:none;display:inline-flex}.brand-mark{flex:none;width:32px;height:32px}.brand-mark rect{fill:var(--key-eq)}.brand-mark path{stroke:#0e0f0c}.site-nav{scrollbar-width:none;order:3;gap:2px;width:100%;margin-inline:-12px;display:flex;overflow-x:auto}.site-nav a{color:var(--ink-1);border-radius:var(--r-pill);white-space:nowrap;padding:8px 14px;font-size:.9375rem;font-weight:600;text-decoration:none}.site-nav a:hover{background:color-mix(in srgb, var(--ink-1) 7%, transparent)}.site-nav a[aria-current=page]{background:var(--ink-1);color:var(--pad)}.header-tools{align-items:center;gap:6px;display:flex}@media (width>=1180px){.site-nav{order:0;width:auto;margin-inline:0}.brand{margin-inline-end:8px}.header-tools{margin-inline-start:auto}}.search-trigger{min-height:44px;font:inherit;color:var(--ink-2);background:var(--sheet);border-radius:var(--r-pill);cursor:pointer;border:1px solid #0000;align-items:center;gap:10px;padding:0 8px 0 16px;font-size:.9375rem;font-weight:500;display:inline-flex}.search-trigger:hover{border-color:var(--ink-1);color:var(--ink-1)}.search-trigger kbd{min-width:28px;height:28px;font:inherit;color:var(--ink-2);background:var(--sunk);border-radius:var(--r-pill);place-items:center;font-size:.8125rem;font-weight:600;display:inline-grid}@media (width<=560px){.search-trigger{justify-content:center;width:44px;padding:0}.search-trigger .search-label{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.search-trigger kbd{display:none}.brand{font-size:1.125rem}.site-header .wrap{column-gap:8px}.header-tools{gap:2px}.lang-menu summary{padding-inline:10px}}.icon-btn{width:44px;height:44px;color:var(--ink-1);border-radius:var(--r-pill);cursor:pointer;background:0 0;border:1px solid #0000;place-items:center;padding:0;display:inline-grid}.icon-btn:hover{background:var(--sheet)}.icon-btn svg{width:20px;height:20px}.lang-menu{position:relative}.lang-menu summary{height:44px;color:var(--ink-1);border-radius:var(--r-pill);cursor:pointer;border:1px solid #0000;align-items:center;gap:6px;padding:0 14px;font-size:.875rem;font-weight:700;list-style:none;display:inline-flex}.lang-menu summary::-webkit-details-marker{display:none}.lang-menu summary:hover,.lang-menu[open] summary{background:var(--sheet)}.lang-menu ul{inset-inline-end:0;z-index:40;background:var(--sheet);border:1px solid var(--line);border-radius:var(--r-lg);min-width:200px;box-shadow:var(--shadow-pop);margin:0;padding:8px;list-style:none;position:absolute;top:calc(100% + 8px)}.lang-menu.flip ul{inset-inline:0 auto}.lang-menu a{border-radius:var(--r-md);color:var(--ink-1);padding:9px 14px;font-weight:500;text-decoration:none;display:block}.lang-menu a:hover{background:var(--sunk)}.lang-menu a[aria-current=true]{background:var(--tint);font-weight:700}.site-footer{color:#c8cec3;background:#0e0f0c;margin-top:88px;padding-block:56px 48px;font-size:.9375rem}.footer-brand{color:#fff;letter-spacing:-.035em;align-items:center;gap:10px;margin-bottom:36px;font-size:1.5rem;font-weight:900;display:flex}.footer-brand .brand-mark{width:36px;height:36px}.footer-grid{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:36px 28px;font-size:.875rem;display:grid}.footer-grid h2{letter-spacing:-.01em;margin-bottom:12px;font-size:1rem;font-weight:700}.footer-grid h2 a{color:#9fe870}.footer-grid ul{gap:7px;margin:0;padding:0;list-style:none;display:grid}.footer-grid a{color:#c8cec3;text-decoration:none}.footer-grid a:hover{color:#fff;text-decoration:underline}.footer-note{color:#a3ab9d;border-top:1px solid #2e3529;max-width:none;margin-top:44px;padding-top:24px}.footer-note a{color:#9fe870}.site-footer :focus-visible{outline-color:#9fe870}.crumbs{color:var(--ink-2);padding-top:20px;font-size:.875rem;font-weight:500}.crumbs ol{flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;display:flex}.crumbs li+li:before{content:"/";color:var(--ink-3);margin-inline-end:6px}.crumbs a{color:var(--ink-2);text-decoration:none}.crumbs a:hover{color:var(--ink-1);text-decoration:underline}.tool-head{max-width:56rem;padding-block:18px 32px}.tool-head .lede{color:var(--ink-2);max-width:60ch;margin-top:16px;font-size:clamp(1.0625rem,1rem + .3vw,1.25rem);line-height:1.5}.sheet{background:var(--sheet);border:1px solid var(--line);border-radius:var(--r-sheet)}.band .sheet{border-color:#0000}.workbench{align-items:start;gap:16px;display:grid}@media (width>=960px){.workbench{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:24px}.answer{position:sticky;top:20px}}.work{padding:20px}@media (width>=720px){.work{padding:32px}}.work>*+*{margin-top:28px}.group{border:0;min-width:0;margin:0;padding:0}.group+.group{border-top:1px solid var(--line);padding-top:26px}.group>legend,.group-title{float:left;letter-spacing:-.015em;width:100%;margin-bottom:16px;padding:0;font-size:1.125rem;font-weight:700}.group>legend+*{clear:both}.fields{grid-template-columns:repeat(auto-fill,minmax(min(100%,210px),1fr));gap:20px 16px;display:grid}.fields .span-all{grid-column:1/-1}.field{align-content:start;gap:8px;min-width:0;display:grid}.field>label,.field-label{font-size:.9375rem;font-weight:600;line-height:1.3}.hint{color:var(--ink-3);font-size:.875rem;line-height:1.45}.field-error{color:var(--red);font-size:.875rem;font-weight:600;line-height:1.4}.input{background:var(--sheet);border:1px solid var(--line-strong);border-radius:var(--r-md);align-items:center;min-height:52px;transition:border-color .12s,box-shadow .12s;display:flex}.input:hover{border-color:var(--ink-1)}.input:focus-within{border-color:var(--ink-1);outline:1px solid var(--ink-1);outline-offset:-1px;box-shadow:0 0 0 4px var(--halo)}.input:has(input[aria-invalid=true]){border-color:var(--red);outline-color:var(--red);box-shadow:0 0 0 4px var(--red-wash)}.input input,.input select{width:100%;min-width:0;height:50px;font:inherit;font-variant-numeric:tabular-nums;color:var(--ink-1);background:0 0;border:0;outline:none;flex:1;padding:0 14px;font-size:1.0625rem;font-weight:500}.input .affix{color:var(--ink-3);user-select:none;flex:none;padding-inline:14px 0;font-size:1rem;font-weight:500}.input .affix+input{padding-inline-start:6px}.input .affix-end{padding-inline:0 14px}.input input:has(+.affix-end){padding-inline-end:6px}.select{position:relative}.select select{appearance:none;cursor:pointer;padding-inline-end:40px}.select:after{content:"";inset-inline-end:16px;border-right:2px solid var(--ink-1);border-bottom:2px solid var(--ink-1);pointer-events:none;width:8px;height:8px;margin-top:-6px;position:absolute;top:50%;transform:rotate(45deg)}.select option{background:var(--sheet);color:var(--ink-1)}.pair{grid-template-columns:minmax(0,3fr) minmax(0,2fr);gap:8px;display:grid}.choice{border:0;gap:8px;min-width:0;margin:0;padding:0;display:grid}.choice>legend{margin-bottom:8px;padding:0;font-size:.9375rem;font-weight:600}.choice-options{flex-wrap:wrap;gap:8px;display:flex}.choice-options label{cursor:pointer;position:relative}.choice-options input{opacity:0;cursor:pointer;margin:0;position:absolute;inset:0}.choice-options span{border-radius:var(--r-pill);background:var(--sunk);min-height:44px;color:var(--ink-1);white-space:nowrap;border:1px solid #0000;align-items:center;padding:0 18px;font-size:.9375rem;font-weight:600;display:inline-flex}.choice-options label:hover span{border-color:var(--ink-1)}.choice-options input:checked+span{background:var(--ink-1);border-color:var(--ink-1);color:var(--sheet)}.choice-options input:focus-visible+span{outline:2px solid var(--link);outline-offset:2px}.choice.stacked .choice-options{display:grid}.choice.stacked .choice-options span{white-space:normal;border-radius:var(--r-lg);justify-content:start;gap:2px;padding:12px 18px;display:grid}.choice.stacked .choice-options small{opacity:.82;font-size:.84375rem;font-weight:450}.check{cursor:pointer;align-items:flex-start;gap:10px;padding-block:4px;font-size:.96875rem;font-weight:500;line-height:1.35;display:inline-flex}.check input{flex:none;width:20px;height:20px;margin:0}.answer-sheet{border-color:#0000;padding:24px 22px 22px}@media (width>=720px){.answer-sheet{padding:32px 32px 28px}}.answer-label{color:var(--ink-2);font-size:.9375rem;font-weight:600}.answer-figure{letter-spacing:-.04em;white-space:nowrap;margin-top:8px;font-size:clamp(2.75rem,2rem + 2.8vw,4.25rem);font-weight:900;line-height:1;display:block}.hl{z-index:0;color:var(--hl-ink);padding-inline:.06em;position:relative}.hl:before{content:"";z-index:-1;background:var(--hl-bg);border-radius:.28em;position:absolute;inset:8% -.12em 4% -.1em}@media (prefers-reduced-motion:no-preference){.hl.is-swiping:before{animation:.48s cubic-bezier(.3,.7,.2,1) both swipe}}@keyframes swipe{0%{clip-path:inset(0 100% 0 0 round .28em)}to{clip-path:inset(0 round .28em)}}.answer-sub{color:var(--ink-2);margin-top:12px;font-size:.96875rem}.answer-note{border-inline-start:4px solid var(--status-warning);border-radius:var(--r-md);background:var(--sunk);margin-top:16px;padding:12px 14px;font-size:.9375rem;line-height:1.45}.answer-note[data-tone=good]{border-color:var(--status-good)}.answer-actions{flex-wrap:wrap;gap:8px;margin-top:24px;display:flex}.ledger{margin:22px 0 0;padding:0}.ledger>div{border-bottom:1px solid var(--line);justify-content:space-between;align-items:baseline;gap:16px;padding-block:10px;display:flex}.ledger>div:first-child{border-top:1px solid var(--line)}.ledger dt{color:var(--ink-2);align-items:center;gap:8px;min-width:0;display:flex}.ledger dd{font-variant-numeric:tabular-nums;text-align:end;white-space:nowrap;margin:0;font-weight:600}.ledger>.is-total{border-top:2px solid var(--ink-1);border-bottom:0;margin-top:-1px}.ledger>.is-total dt{color:var(--ink-1);font-weight:700}.ledger>.is-total dd{font-size:1.0625em;font-weight:800}.ledger>.is-sub dt{padding-inline-start:14px}.swatch{border-radius:3px;flex:none;width:10px;height:10px}.btn{min-height:44px;font:inherit;color:var(--ink-1);background:var(--sunk);border-radius:var(--r-pill);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:0 20px;font-size:.9375rem;font-weight:600;text-decoration:none;transition:background-color .12s,border-color .12s;display:inline-flex}.btn:hover{border-color:var(--ink-1)}.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.btn-lg{min-height:56px;padding:0 28px;font-size:1.0625rem}.btn-quiet{color:var(--link);background:0 0;border-color:#0000;padding-inline:12px}.btn-quiet:hover{background:var(--link-wash);border-color:#0000}.btn svg{width:18px;height:18px}.section{margin-top:64px}.section-head{flex-wrap:wrap;justify-content:space-between;align-items:end;gap:12px;margin-bottom:20px;display:flex}.section-head p{color:var(--ink-2);max-width:60ch;margin-top:8px}.panel{padding:22px}@media (width>=720px){.panel{padding:32px}}.working{font-variant-numeric:tabular-nums;gap:2px;margin:0;font-size:1.0625rem;display:grid}.working>div{border-bottom:1px solid var(--line);grid-template-columns:minmax(8rem,13rem) minmax(0,1fr);gap:4px 20px;padding-block:12px;display:grid}.working>div:last-child{border-bottom:0}.working dt{color:var(--ink-2)}.working dd{overflow-wrap:anywhere;margin:0}.working .eq{display:block}.working .eq+.eq{margin-top:2px}.working var{font-style:italic;font-weight:600}.working .result{font-weight:800}@media (width<=600px){.working>div{grid-template-columns:1fr}}.formula-note{color:var(--ink-2);max-width:var(--measure);margin-top:16px;font-size:.9375rem}.table-scroll{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--sheet);max-height:560px;overflow:auto}table.figures{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;font-size:.9375rem}table.figures th,table.figures td{text-align:end;white-space:nowrap;border-bottom:1px solid var(--line);padding:11px 16px}table.figures tbody tr:last-child :is(th,td){border-bottom:0}table.figures th:first-child,table.figures td:first-child{text-align:start}table.figures thead th{z-index:1;background:var(--sunk);color:var(--ink-2);border-bottom:1px solid var(--line);font-size:.8125rem;font-weight:600;position:sticky;top:0}table.figures tbody tr:hover{background:var(--sunk)}table.figures tr.is-current td{background:var(--tint);font-weight:700}.viz{margin-top:20px}.viz-stack{gap:2px;height:20px;margin-top:22px;display:flex}.viz-seg{cursor:default;border-radius:0;min-width:3px}.viz-seg:first-child{border-start-start-radius:6px;border-end-start-radius:6px}.viz-seg:last-child{border-start-end-radius:6px;border-end-end-radius:6px}.viz-seg:only-child{border-radius:6px}.viz-seg:hover,.viz-seg:focus-visible{filter:brightness(1.08)}.viz-columns{font-family:var(--font);overflow:visible}.viz-columns:focus-visible{outline-offset:6px}.viz-grid{stroke:var(--line);stroke-width:1px}.viz-axis{stroke:var(--line-strong);stroke-width:1px}.viz-tick{fill:var(--ink-3);font-variant-numeric:tabular-nums;font-size:12px}.viz-col{transition:opacity .12s}.viz-col.is-dim{opacity:.45}.viz-legend{color:var(--ink-2);flex-wrap:wrap;gap:6px 18px;margin:0 0 10px;padding:0;font-size:.9375rem;list-style:none;display:flex}.viz-legend li{align-items:center;gap:8px;display:inline-flex}.viz-tip{z-index:60;pointer-events:none;background:var(--sheet);min-width:150px;color:var(--ink-1);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-pop);padding:12px 14px;font-size:.875rem;line-height:1.35;position:fixed}.viz-tip-title{color:var(--ink-3);margin-bottom:4px}.viz-tip-row{align-items:center;gap:8px;display:flex}.viz-tip-row strong{font-variant-numeric:tabular-nums;font-weight:700}.viz-tip-row span:last-child{color:var(--ink-2)}.viz-tip-key{border-radius:2px;width:12px;height:3px}.prose{max-width:var(--measure)}.prose>*+*{margin-top:1em}.prose h2{margin-top:1.8em}.prose h3{margin-top:1.5em}.prose ul,.prose ol{padding-inline-start:1.25em}.prose li+li{margin-top:.35em}.faq{max-width:52rem}.faq details{border-bottom:1px solid var(--line)}.faq details:first-of-type{border-top:1px solid var(--line)}.faq summary{cursor:pointer;justify-content:space-between;align-items:center;gap:16px;padding-block:18px;font-size:1.0625rem;font-weight:600;list-style:none;display:flex}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";width:36px;height:36px;color:var(--ink-1);background:var(--sunk);border-radius:var(--r-pill);flex:none;place-items:center;font-size:1.375rem;font-weight:500;line-height:1;display:grid}.faq summary:hover:after{background:var(--tint)}.faq details[open] summary:after{content:"−";background:var(--accent);color:var(--on-accent)}.faq details>div{padding-bottom:20px;color:var(--ink-2);padding-inline-end:52px}.faq details>div>*+*{margin-top:.75em}.tool-list{grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:12px;margin:0;padding:0;list-style:none;display:grid}.tool-list a{height:100%;color:var(--ink-1);background:var(--sunk);border-radius:var(--r-lg);padding:18px 60px 20px 20px;text-decoration:none;transition:background-color .12s;display:block;position:relative}:dir(rtl) .tool-list a{padding:18px 20px 20px 60px}.tool-list a:after{content:"";top:16px;border-radius:var(--r-pill);background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230e0f0c' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M13 6l6 6-6 6'/%3E%3C/svg%3E") 50%/16px no-repeat,#fff;width:32px;height:32px;transition:background-color .12s;position:absolute;inset-inline-end:16px}:dir(rtl) .tool-list a:after{transform:scaleX(-1)}.tool-list a:hover{background:var(--tint)}.tool-list a:hover:after{background-color:#9fe870}.tool-list a strong{letter-spacing:-.015em;font-size:1.0625rem;font-weight:700;line-height:1.3;display:block}.tool-list a span{color:var(--ink-2);margin-top:4px;font-size:.9375rem;line-height:1.45;display:block}.band .tool-list a{background:var(--sheet)}.band .tool-list a:after{background-color:var(--band)}.band .tool-list a:hover{background:var(--tint)}.peek{z-index:30;padding:14px 20px calc(14px + env(safe-area-inset-bottom));background:var(--sheet);border-radius:var(--r-xl);justify-content:space-between;align-items:baseline;gap:12px;transition:transform .22s;display:flex;position:fixed;inset:auto 10px 10px;transform:translateY(130%);box-shadow:0 16px 40px -12px #0000008c}.peek.is-on{transform:none}.peek-label{color:var(--ink-2);font-size:.9375rem;font-weight:600}.peek-value{letter-spacing:-.03em;color:#9fe870;font-size:1.5rem;font-weight:900}@media (width>=960px){.peek{display:none}}@media (prefers-reduced-motion:reduce){.peek{transition:none}}.search-dialog{width:min(640px,100vw - 24px);max-height:min(580px,100vh - 80px);color:var(--ink-1);background:var(--sheet);border-radius:var(--r-xl);box-shadow:var(--shadow-pop);border:0;margin:10vh auto auto;padding:0;overflow:hidden}.search-dialog[open]{flex-direction:column;display:flex}.search-dialog::backdrop{backdrop-filter:blur(2px);background:#0e0f0c80}.search-box{border-bottom:1px solid var(--line);align-items:center;gap:12px;padding:0 22px;display:flex}.search-box svg{width:22px;height:22px;color:var(--ink-2);flex:none}.search-box input{height:64px;font:inherit;color:var(--ink-1);background:0 0;border:0;outline:none;flex:1;font-size:1.1875rem;font-weight:500}.search-results{margin:0;padding:10px;list-style:none;overflow-y:auto}.search-results a{border-radius:var(--r-md);color:var(--ink-1);grid-template-columns:1fr auto;gap:0 12px;padding:12px 14px;font-weight:600;text-decoration:none;display:grid}.search-results a small{color:var(--ink-3);grid-column:1;font-size:.875rem;font-weight:400}.search-results a em{border-radius:var(--r-pill);color:var(--ink-2);background:var(--sunk);grid-area:1/2/span 2;align-self:center;padding:3px 10px;font-size:.8125rem;font-style:normal;font-weight:600}.search-results a[aria-selected=true],.search-results a:hover{background:var(--tint)}.search-empty{color:var(--ink-2);padding:22px}.code-area{width:100%;min-height:220px;font-family:var(--mono);color:var(--ink-1);background:var(--sunk);border:1px solid var(--line);border-radius:var(--r-md);resize:vertical;tab-size:2;padding:16px;font-size:.9375rem;line-height:1.55;display:block}.code-area:hover{border-color:var(--line-strong)}.code-area:focus{outline:1px solid var(--ink-1);outline-offset:-1px;border-color:var(--ink-1);box-shadow:0 0 0 4px var(--halo)}.code-out{font-family:var(--mono);background:var(--sunk);border:1px solid var(--line);border-radius:var(--r-md);white-space:pre-wrap;overflow-wrap:anywhere;min-height:3.5em;margin:0;padding:16px;font-size:.9375rem;line-height:1.55;overflow:auto}.status-line{align-items:center;gap:8px;font-size:.9375rem;font-weight:600;display:flex}.status-line[data-state=ok]{color:var(--good-ink)}.status-line[data-state=bad]{color:var(--red)}.toolbar{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.toolbar .spacer{flex:1}.dev-grid{gap:16px;display:grid}@media (width>=960px){.dev-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px}}.stack>*+*{margin-top:14px}mark.match{color:#0e0f0c;background:#9fe870;border-radius:3px;box-shadow:0 0 0 1px #0e0f0c33}mark.match:nth-of-type(2n){background:#cdffad}.pill{border-radius:var(--r-pill);color:var(--ink-2);background:var(--sunk);white-space:nowrap;border:1px solid #0000;align-items:center;gap:6px;padding:3px 12px;font-size:.84375rem;font-weight:600;display:inline-flex}.pill[data-tone=good]{color:var(--good-ink);background:var(--tint)}.pill[data-tone=bad]{color:var(--red);background:var(--red-wash)}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}@media print{body,.band{background:#fff}.site-header,.site-footer,.answer-actions,.peek,.faq,.related{display:none!important}}.sentence-sheet{padding:6px 22px}@media (width>=720px){.sentence-sheet{padding:8px 32px}}.sentence-row{border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1fr) minmax(9rem,auto);align-items:center;gap:8px 28px;padding-block:20px;display:grid}.sentence-row:last-child{border-bottom:0}.sentence{font-size:1.125rem;font-weight:500;line-height:2.6}.sentence input{width:7.5em;height:48px;font:inherit;font-variant-numeric:tabular-nums;text-align:center;color:var(--ink-1);background:var(--sheet);border:1px solid var(--line-strong);border-radius:var(--r-md);vertical-align:middle;margin-inline:4px;padding:0 12px}.sentence input:hover{border-color:var(--ink-1)}.sentence input:focus{outline:1px solid var(--ink-1);outline-offset:-1px;border-color:var(--ink-1);box-shadow:0 0 0 4px var(--halo)}.sentence input[data-bad]{border-color:var(--red)}.sentence-result{text-align:end}.sentence-answer{letter-spacing:-.035em;white-space:nowrap;font-size:clamp(1.5rem,1.2rem + 1vw,2.125rem);font-weight:900;line-height:1.2}.sentence-sub{color:var(--ink-3);margin-top:4px;font-size:.875rem}@media (width<=700px){.sentence-row{grid-template-columns:1fr}.sentence-result{text-align:start}}:lang(ar) .sentence input{direction:ltr}.plot{font-family:var(--font);touch-action:pan-y;overflow:visible}.plot-line{fill:none;stroke:var(--series-1);stroke-width:2px;stroke-linejoin:round;stroke-linecap:round}.plot-shade{fill:var(--series-1);opacity:.16}.plot-dot{fill:var(--series-1);stroke:var(--sheet);stroke-width:2px}.plot-cross{stroke:var(--line-strong);stroke-width:1px}.plot-readout{fill:var(--ink-2);font-variant-numeric:tabular-nums;font-size:12px}.drawing{max-width:100%;height:auto;font-family:var(--font);margin-inline:auto;display:block;overflow:visible}.drawing .shape{fill:color-mix(in srgb, var(--series-1) 12%, transparent);stroke:var(--series-1);stroke-width:2px;stroke-linejoin:round}.drawing .shape-guide{fill:none;stroke:var(--line-strong);stroke-width:1px;stroke-dasharray:4 4}.drawing .shape-line{fill:none;stroke:var(--series-1);stroke-width:2px;stroke-linecap:round}.drawing .shape-dot{fill:var(--series-1);stroke:var(--sheet);stroke-width:2px}.drawing .shape-label{fill:var(--ink-1);font-variant-numeric:tabular-nums;font-size:13px;font-weight:600}.drawing .shape-note{fill:var(--ink-2);font-variant-numeric:tabular-nums;font-size:12px}.drawings{grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:16px;display:grid}.drawings figcaption{color:var(--ink-2);margin-block-end:6px;font-size:.9375rem;font-weight:600}.answer-figure.answer-figure-text{white-space:normal;text-wrap:balance;letter-spacing:-.03em;font-size:clamp(1.9rem,1.5rem + 1.4vw,2.6rem);line-height:1.12}:lang(ar) .answer-figure.answer-figure-text{text-align:start;direction:rtl}