@font-face{font-family:Archivo Variable;font-style:normal;font-display:swap;font-weight:100 900;font-stretch:62% 125%;src:url(/_astro/archivo-vietnamese-wdth-normal.rJmnGBSt.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:Archivo Variable;font-style:normal;font-display:swap;font-weight:100 900;font-stretch:62% 125%;src:url(/_astro/archivo-latin-ext-wdth-normal.7khWdh9v.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:Archivo Variable;font-style:normal;font-display:swap;font-weight:100 900;font-stretch:62% 125%;src:url(/_astro/archivo-latin-wdth-normal.DY7AcnAa.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}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-latin-400-normal.DMJ8VG8y.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-400-normal.CvHOgSBP.woff)format("woff")}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-mono-latin-600-normal.BgSNZQsw.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-600-normal.DWFSQ4vo.woff)format("woff")}:root{--paper:#f3f0e8;--sheet:#fcfbf7;--ink:#15171a;--ink-2:#4d5258;--ink-3:#777b80;--line-soft:#d6d0c1;--tape:#f5c400;--tape-ink:#15171a;--dim:#1d4f91;--pass:#17663a;--pass-bg:#dcefe1;--fail:#a3232b;--fail-bg:#f7dcdc;--warn:#7a5200;--warn-bg:#faecc6;--font-ui:"Archivo Variable", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono:"IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;--border:1.5px solid var(--ink);--radius:3px;--page:70rem;--prose:42rem;--tap:3rem;color-scheme:light dark}@media (prefers-color-scheme:dark){:root{--paper:#16181a;--sheet:#1e2124;--ink:#ece8de;--ink-2:#b3afa5;--ink-3:#85827b;--line-soft:#3a3d40;--dim:#8fb9f2;--pass:#6fd197;--pass-bg:#173524;--fail:#ff9a9a;--fail-bg:#3d1c1e;--warn:#f1c860;--warn-bg:#3a2e10}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-padding-top:1rem}body{background:var(--paper);color:var(--ink);font-family:var(--font-ui);text-rendering:optimizelegibility;margin:0;font-size:1.0625rem;line-height:1.55}h1,h2,h3{letter-spacing:-.012em;text-wrap:balance;margin:0;font-weight:800;font-stretch:112%;line-height:1.08}h1{font-size:clamp(2rem,1.3rem + 3.2vw,3.25rem)}h2{font-size:clamp(1.35rem,1.15rem + .9vw,1.75rem)}h3{font-size:1.1rem;font-weight:700;font-stretch:105%}p{margin:0 0 1em}a{color:inherit;text-decoration-color:var(--tape);text-underline-offset:.18em;text-decoration-thickness:.14em}a:hover{text-decoration-color:currentColor}:focus-visible{outline:3px solid var(--tape);outline-offset:2px}.wrap{width:min(100% - 2rem, var(--page));margin-inline:auto}.mono,.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.label{font-family:var(--font-mono);letter-spacing:.09em;text-transform:uppercase;color:var(--ink-2);font-size:.72rem;font-weight:600}[hidden]{display:none!important}.visually-hidden{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.site-header{background:var(--sheet);border-bottom:var(--border)}.site-header__bar{justify-content:space-between;align-items:center;gap:1rem;padding-block:.8rem;display:flex}.wordmark{letter-spacing:-.01em;align-items:center;gap:.6rem;font-size:1.15rem;font-weight:800;font-stretch:118%;text-decoration:none;display:inline-flex}.wordmark__mark{flex:none;width:1.7rem;height:1.7rem}.site-nav{gap:1.1rem;font-size:.95rem;font-weight:600;display:flex}.site-nav a{white-space:nowrap;text-decoration:none}@media (width<=26rem){.site-header__bar{flex-wrap:wrap;row-gap:.3rem}.wordmark{font-size:1rem}.site-nav{gap:.8rem;font-size:.88rem}}.site-nav a:hover{text-decoration:underline;text-decoration-color:var(--tape)}.tape{background-color:var(--tape);background-image:repeating-linear-gradient(90deg,#15171a 0 1.5px,#0000 1.5px 64px),repeating-linear-gradient(90deg,#15171a 0 1px,#0000 1px 32px),repeating-linear-gradient(90deg,#15171a 0 1px,#0000 1px 8px);background-position:0 100%;background-repeat:repeat-x;background-size:100% 13px,100% 9px,100% 5px;border-bottom:1.5px solid #15171a;height:18px}.page-head{padding-block:clamp(1.5rem,4vw,2.75rem) clamp(1.25rem,3vw,2rem)}.page-head .label{margin-bottom:.7rem;display:block}.page-head__lede{max-width:var(--prose);color:var(--ink-2);margin:.85rem 0 0;font-size:1.15rem}.sheet{background:var(--sheet);border:var(--border);border-radius:var(--radius);padding:1.25rem;position:relative}.sheet>.sheet__tab{background:var(--ink);width:fit-content;color:var(--sheet);font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;border-bottom-right-radius:var(--radius);margin:-1.25rem 0 1rem -1.25rem;padding:.3rem .7rem;font-size:.7rem;font-weight:600;display:block}.answer{max-width:44rem;margin-bottom:1rem}.answer__note{margin:.75rem 0 0}.tool{align-items:start;gap:1rem;display:grid}@media (width>=60rem){.tool{grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:1.25rem}.tool__out{position:sticky;top:1rem}}.tool__in,.tool__out{gap:1rem;display:grid}.tool>*,.tool__in>*,.tool__out>*,.fields>*,.below>*,.section>*{min-width:0}.fields{gap:1rem;display:grid}.fields--2{grid-template-columns:repeat(auto-fit,minmax(9.5rem,1fr))}.field{gap:.35rem;min-width:0;display:grid}.field>label,.field>.field__label{font-size:.92rem;font-weight:650;line-height:1.25}.field__hint{color:var(--ink-2);font-size:.84rem;line-height:1.35}.field__error{color:var(--fail);font-size:.84rem;font-weight:600}.field__error:empty{display:none}.input{min-height:var(--tap);background:var(--paper);border:var(--border);border-radius:var(--radius);align-items:stretch;display:flex}.input:focus-within{outline:3px solid var(--tape);outline-offset:1px}.field>*{min-width:0}.input input,.input select{width:100%;min-width:0;color:var(--ink);font-family:var(--font-mono);font-variant-numeric:tabular-nums;background:0 0;border:0;flex:1 1 0;padding:0 .75rem;font-size:1.1rem}.input input:focus,.input select:focus{outline:none}.input input[aria-invalid=true]{color:var(--fail)}.input__unit{border-left:1px solid var(--line-soft);color:var(--ink-2);font-family:var(--font-mono);align-items:center;padding:0 .75rem;font-size:.9rem;display:flex}.stepper{grid-template-columns:var(--tap) minmax(3rem, 1fr) var(--tap);min-height:var(--tap);border:var(--border);border-radius:var(--radius);background:var(--paper);display:grid}.stepper button{color:var(--ink);font:600 1.4rem/1 var(--font-mono);cursor:pointer;background:0 0;border:0}.stepper button:hover{background:var(--tape);color:var(--tape-ink)}.stepper input{border:0;border-inline:1px solid var(--line-soft);width:100%;color:var(--ink);text-align:center;font:600 1.15rem var(--font-mono);-moz-appearance:textfield;appearance:textfield;background:0 0}.stepper input::-webkit-outer-spin-button,.stepper input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.segmented{border:var(--border);border-radius:var(--radius);background:var(--paper);flex-wrap:wrap;display:flex;overflow:hidden}.segmented label{min-height:var(--tap);text-align:center;cursor:pointer;border-right:1px solid var(--line-soft);flex:auto;place-items:center;padding:.4rem .9rem;font-size:.95rem;font-weight:650;display:grid}.segmented label:last-child{border-right:0}.segmented input{opacity:0;pointer-events:none;position:absolute}.segmented label:has(input:checked){background:var(--ink);color:var(--sheet)}.segmented label:has(input:focus-visible){outline:3px solid var(--tape);outline-offset:-3px}.segmented--stack{flex-direction:column}.segmented--stack label{text-align:left;border-right:0;border-bottom:1px solid var(--line-soft);justify-items:start}.segmented--stack label:last-child{border-bottom:0}fieldset{border:0;min-width:0;margin:0;padding:0}legend{margin-bottom:.6rem;padding:0;font-size:.92rem;font-weight:650}.rule{border:0;border-top:1px solid var(--line-soft);height:0;margin:.25rem 0}.btn{min-height:var(--tap);border:var(--border);border-radius:var(--radius);color:var(--ink);font:700 .95rem var(--font-ui);cursor:pointer;background:0 0;justify-content:center;align-items:center;gap:.5rem;padding:0 1.1rem;text-decoration:none;display:inline-flex}.btn:hover{background:var(--tape);color:var(--tape-ink)}.btn--solid{background:var(--ink);color:var(--sheet)}.btn-row{flex-wrap:wrap;gap:.6rem;display:flex}.verdict{border:var(--border);border-radius:var(--radius);background:var(--paper);border-left-width:.6rem;gap:.2rem;padding:.9rem 1rem;display:grid}.verdict__head{letter-spacing:.01em;text-transform:uppercase;font-size:1.35rem;font-weight:800;font-stretch:115%;line-height:1.1}.verdict__body{font-size:.98rem}.verdict[data-state=pass]{background:var(--pass-bg);border-color:var(--pass)}.verdict[data-state=pass] .verdict__head{color:var(--pass)}.verdict[data-state=fail]{background:var(--fail-bg);border-color:var(--fail)}.verdict[data-state=fail] .verdict__head{color:var(--fail)}.verdict[data-state=warn]{background:var(--warn-bg);border-color:var(--warn)}.verdict[data-state=warn] .verdict__head{color:var(--warn)}.readout{grid-template-columns:minmax(0,1fr);margin:0;display:grid}.readout>div{border-bottom:1px solid var(--line-soft);flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.15rem 1rem;padding:.55rem 0;display:flex}.readout>div:last-child{border-bottom:0}.readout dt{color:var(--ink-2);flex:9rem;font-size:.95rem}.readout dd{font-family:var(--font-mono);font-variant-numeric:tabular-nums;text-align:right;white-space:normal;max-width:100%;margin:0 0 0 auto;font-size:1.1rem;font-weight:600}.readout .readout__main dt{color:var(--ink);font-weight:650}.readout .readout__main dd{font-size:clamp(1.6rem,1.2rem + 1.6vw,2.1rem);line-height:1.1}.checks{gap:.5rem;margin:0;padding:0;list-style:none;display:grid}.checks li{border-bottom:1px solid var(--line-soft);grid-template-columns:4.2rem 1fr;align-items:baseline;gap:.75rem;padding-bottom:.5rem;font-size:.95rem;display:grid}.checks li:last-child{border-bottom:0;padding-bottom:0}.tag{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;text-align:center;white-space:nowrap;border:1.5px solid;border-radius:2px;padding:.12rem .4rem;font-size:.7rem;font-weight:600;display:inline-block}.tag--pass{color:var(--pass)}.tag--fail{color:var(--fail)}.tag--warn{color:var(--warn)}.tag--muted{color:var(--ink-3)}.note{border-left:.3rem solid var(--tape);background:var(--paper);padding:.75rem .9rem;font-size:.93rem}.note>:last-child{margin-bottom:0}.result-bar{z-index:20;min-height:var(--tap);padding:.6rem 1rem calc(.6rem + env(safe-area-inset-bottom));background:var(--ink);color:var(--sheet);border-top:.3rem solid var(--tape);justify-content:space-between;align-items:center;gap:1rem;font-weight:800;font-stretch:112%;line-height:1.15;text-decoration:none;display:flex;position:fixed;inset:auto 0 0}.result-bar[data-state=pass]{border-top-color:var(--pass)}.result-bar[data-state=fail]{border-top-color:var(--fail)}.result-bar[data-state=warn]{border-top-color:var(--tape)}.result-bar__go{font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;flex:none;font-size:.75rem;font-weight:600}@media (width>=60rem){.result-bar{display:none!important}}.diagram{margin:0}.diagram svg{width:100%;height:auto;display:block}.diagram figcaption{font-family:var(--font-mono);color:var(--ink-2);margin-top:.5rem;font-size:.78rem}.dg-line{stroke:var(--ink);stroke-width:1.5px;fill:none}.dg-thin{stroke:var(--ink);stroke-width:.75px;fill:none}.dg-body{fill:var(--sheet);stroke:var(--ink);stroke-width:1.5px}.dg-wood{fill:color-mix(in srgb, var(--tape) 22%, var(--sheet));stroke:var(--ink);stroke-width:1.5px}.dg-fill{fill:var(--tape);stroke:var(--ink);stroke-width:1px}.dg-ink{fill:var(--ink)}.dg-dim{stroke:var(--dim);stroke-width:1px;fill:none}.dg-dim-fill{fill:var(--dim)}.dg-ok{fill:color-mix(in srgb, var(--pass) 22%, transparent);stroke:var(--pass);stroke-width:1.25px}.dg-bad{fill:color-mix(in srgb, var(--fail) 24%, transparent);stroke:var(--fail);stroke-width:1.25px}.dg-zone{fill:color-mix(in srgb, var(--fail) 12%, transparent);stroke:none}.dg-dash{stroke-dasharray:5 4}.dg-text{fill:var(--ink);font-family:var(--font-mono);font-size:11px}.dg-text--dim{fill:var(--dim)}.dg-text--muted{fill:var(--ink-2)}.dg-text--strong{font-weight:600}.below{gap:clamp(2rem,5vw,3.25rem);padding-block:clamp(2rem,6vw,3.5rem);display:grid}.section>h2{margin-bottom:.9rem}.prose{max-width:var(--prose)}.prose ul,.prose ol{margin:0 0 1em;padding-left:1.2rem}.prose li{margin-bottom:.35em}.prose code,.formula{font-family:var(--font-mono);font-size:.93em}.formula{background:var(--sheet);border:1px solid var(--line-soft);border-radius:var(--radius);white-space:pre;margin:0 0 1em;padding:.75rem .9rem;display:block;overflow-x:auto}.table-scroll{border:var(--border);border-radius:var(--radius);background:var(--sheet);overflow-x:auto}table.data{border-collapse:collapse;width:100%;font-size:.93rem}table.data th,table.data td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line-soft);padding:.6rem .8rem}table.data tr:last-child td{border-bottom:0}table.data th{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);border-bottom:var(--border);white-space:nowrap;font-size:.72rem;font-weight:600}table.data td.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.nowrap{white-space:nowrap}.sources{max-width:var(--prose);gap:.7rem;margin:0;padding:0;list-style:none;display:grid}.sources li{border-left:.3rem solid var(--tape);padding-left:.9rem;font-size:.97rem}.sources span{color:var(--ink-2);font-size:.9rem;display:block}.faq{max-width:var(--prose);border-top:var(--border)}.faq details{border-bottom:1px solid var(--line-soft)}.faq summary{cursor:pointer;justify-content:space-between;gap:1rem;padding:.9rem 0;font-weight:700;list-style:none;display:flex}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font-family:var(--font-mono);font-weight:600}.faq details[open] summary:after{content:"–"}.faq details>div{color:var(--ink-2);padding-bottom:1rem}.tool-groups{gap:2rem;display:grid}.tool-groups__title{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);align-items:center;gap:.8rem;margin-bottom:.8rem;font-size:.78rem;font-weight:600;font-stretch:100%;display:flex}.tool-groups__title:after{content:"";border-top:1.5px solid var(--ink);flex:1}.tool-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,19rem),1fr));gap:1rem;margin:0;padding:0;list-style:none;display:grid}.tool-card{background:var(--sheet);border:var(--border);border-radius:var(--radius);grid-template-rows:auto 1fr auto;gap:.5rem;height:100%;padding:1.1rem 1.15rem 1.15rem;text-decoration:none;transition:transform .12s;display:grid}.tool-card:hover{background:color-mix(in srgb, var(--tape) 14%, var(--sheet));transform:translateY(-2px)}.tool-card h3{font-size:1.3rem;font-weight:800;font-stretch:112%}.tool-card p{color:var(--ink-2);margin:0;font-size:.97rem}.tool-card__ask{font-family:var(--font-mono);color:var(--ink);font-size:.82rem}.tool-card__ask:before{content:"“"}.tool-card__ask:after{content:"”"}.principles{grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr));gap:1rem;margin:0;padding:0;list-style:none;display:grid}.principles li{border-top:.3rem solid var(--ink);padding-top:.8rem}.principles strong{margin-bottom:.25rem;font-size:1.1rem;font-weight:800;font-stretch:112%;display:block}.principles span{color:var(--ink-2);font-size:.97rem}.site-footer{border-top:var(--border);background:var(--sheet);color:var(--ink-2);margin-top:2rem;padding-block:1.75rem 2.5rem;font-size:.92rem}.site-footer p{max-width:var(--prose);margin-bottom:.6em}@media print{:root{--paper:#fff;--sheet:#fff;--ink:#000;--ink-2:#333;--line-soft:#999;--pass-bg:#fff;--fail-bg:#fff;--warn-bg:#fff}body{font-size:11pt}.site-header .site-nav,.tape,.site-footer,.below,.no-print,.btn-row{display:none!important}.tool{grid-template-columns:1fr 1fr}.tool__out{position:static}.sheet{break-inside:avoid}.print-only{display:block!important}}.print-only{display:none}@media (prefers-reduced-motion:reduce){*{transition:none!important}}@media screen and (width<=59.99rem){body:has(.result-bar){padding-bottom:3.75rem}}.credibility{max-width:var(--prose);color:var(--ink-2);overflow-wrap:anywhere;margin:1.25rem 0 0;font-size:.88rem}@media print{.credibility a[data-print-url]:after{content:" (" attr(data-print-url) ")"}.below.how-it-works{display:grid!important}}
