@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) 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%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.absolute{position:absolute}.block{display:block}.contents{display:contents}.table{display:table}.rounded{border-radius:.25rem}}:root{--background:#fff;--foreground:#1c242c;--muted:#3e4c58;--border:#d5dee5;--brand:#0b6a90;--brand-bright:#1898cc;--brand-soft:#e7f4fa;--on-brand:#fff}body{background:var(--background);min-height:100dvh;color:var(--foreground);flex-direction:column;margin:0;font-family:system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6;display:flex}main{flex:1}:focus-visible{outline:3px solid var(--brand);outline-offset:3px}.site-header :focus-visible,.site-footer :focus-visible{outline-color:#fff}.skip-link{z-index:50;color:var(--brand);background:#fff;border-radius:.375rem;padding:.7rem 1rem;font-weight:700;text-decoration:none;position:absolute;top:.75rem;left:.75rem;transform:translateY(-150%)}.skip-link:focus{transform:none}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.shell{width:min(72rem,100% - 2rem);margin-inline:auto}.article{width:min(46rem,100% - 2rem);margin-inline:auto;padding:1.75rem 0 3.5rem}h1{letter-spacing:-.02em;margin:0 0 1rem;font-size:clamp(1.8rem,4vw,2.45rem);line-height:1.2}.site-header{background:var(--brand);color:var(--on-brand)}.header-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem 1rem;padding:.7rem 0;display:flex}.logo-link{line-height:0;display:inline-flex}.logo-link img{width:auto;max-width:min(16rem,70vw);height:auto;max-height:48px}.menu-toggle{min-height:2.75rem;color:inherit;font:inherit;cursor:pointer;background:0 0;border:2px solid;border-radius:.375rem;padding:.4rem .85rem;font-weight:700}.nav-list,.nav-list ul{margin:0;padding:0;list-style:none}.nav-list a,.nav-list summary{min-height:2.75rem;color:inherit;border-radius:.375rem;align-items:center;padding:.35rem .7rem;font-weight:600;text-decoration:none;display:inline-flex}.nav-list summary{cursor:pointer}.nav-list summary::-webkit-details-marker{display:none}.nav-list summary:after{content:"";border-bottom:2px solid;border-right:2px solid;width:.45rem;height:.45rem;margin-left:.45rem;display:inline-block;transform:translateY(-.15rem)rotate(45deg)}.nav-list details[open]>summary:after{transform:translateY(.1rem)rotate(225deg)}.nav-list a[aria-current=page]{text-underline-offset:.2rem;text-decoration:underline}.nav-list details:not([open])>ul{display:none}@media (max-width:959px){#site-nav{flex-basis:100%;display:none}#site-nav.is-open{display:block}.nav-list details ul{padding-left:.75rem}}@media (min-width:960px){.menu-toggle{display:none}#site-nav{display:block}.nav-list{flex-wrap:wrap;align-items:center;gap:.1rem;display:flex}.nav-list details{position:relative}.nav-list details[open]>ul{z-index:20;background:#fff;border-radius:.5rem;min-width:18rem;max-height:70vh;padding:.4rem;position:absolute;top:100%;left:0;overflow:auto;box-shadow:0 10px 28px #0c283a38}.nav-list details a{color:var(--foreground);font-weight:600;display:flex}.nav-list details a:hover,.nav-list details a:focus-visible{background:var(--brand-soft)}}.site-footer{background:var(--brand);color:var(--on-brand)}.footer-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem 1.5rem;padding:1.25rem 0;display:flex}.footer-bar p,.footer-bar ul{margin:0}.footer-bar ul{gap:1rem;padding:0;list-style:none;display:flex}.footer-bar a{color:#fff;font-weight:700}.breadcrumbs{color:var(--muted);margin-bottom:.8rem;font-size:.95rem}.breadcrumbs ol{flex-wrap:wrap;gap:.35rem 0;margin:0;padding:0;list-style:none;display:flex}.breadcrumbs li:not(:last-child):after{content:"/";color:var(--muted);margin:0 .4rem}.breadcrumbs a{color:var(--brand)}.prose>*+*{margin-top:1rem}.prose h2,.prose h3,.prose h4{margin-top:2rem;margin-bottom:.6rem;line-height:1.25}.prose h2{font-size:1.55rem}.prose h3{font-size:1.25rem}.prose p,.prose li{font-size:1.05rem}.prose a{color:var(--brand);text-underline-offset:.15rem}.prose ul,.prose ol{padding-left:1.25rem}.prose ul{list-style:outside}.prose ol{list-style:decimal}.prose li+li{margin-top:.35rem}.prose blockquote{border-left:4px solid var(--brand-bright);background:var(--brand-soft);margin-left:0;padding:.8rem 1rem}.prose img{border-radius:.6rem;width:100%;height:auto;display:block}.prose figure{margin:1.25rem 0}.table-scroll{max-width:100%;overflow-x:auto}.prose table{border-collapse:collapse;width:100%}.prose th,.prose td{border:1px solid var(--border);text-align:left;vertical-align:top;padding:.55rem .7rem}.article-html>div>a{background:var(--brand);color:#fff;border-radius:.4rem;margin:0 .5rem .5rem 0;padding:.7rem .95rem;font-weight:700;text-decoration:none;display:inline-flex}.article-html>div>a:hover{background:#084f6b}.tool{background:var(--brand-soft);border:1px solid #b7d7e6;border-radius:.75rem;margin:1.5rem 0;padding:1.1rem 1.1rem .4rem}.tool-inputs{z-index:2;background:var(--brand-soft);gap:.9rem;padding-bottom:.8rem;display:grid;position:sticky;top:0}@media (min-width:720px){.tool-inputs{grid-template-columns:1fr 1fr}}.field label,.checklist legend,.result-label{font-weight:700}.field select,.checklist button,.tool button{border:2px solid var(--brand);min-height:2.75rem;color:var(--foreground);font:inherit;background:#fff;border-radius:.4rem;padding:.4rem .7rem}.field select{width:100%;margin-top:.35rem;display:block}.field p,.result-help,.checklist-head p{color:var(--muted);margin:.3rem 0 0;font-size:.95rem}.tool h3{margin:1.2rem 0 .2rem;font-size:1.15rem}.result{border-bottom:1px solid #c5dbe6;justify-content:space-between;gap:1rem;padding:.7rem 0;display:flex}.result-value{font-variant-numeric:tabular-nums;white-space:nowrap;margin:0;font-weight:700}.checklist-head{flex-wrap:wrap;align-items:center;gap:.6rem 1rem;margin-bottom:.5rem;display:flex}.checklist-head h2{margin:0;font-size:1.35rem}.checklist fieldset{border:0;margin:.4rem 0 1rem;padding:0}.checklist legend{padding:0;font-size:1.1rem}.check-item{border-bottom:1px solid #c5dbe6;grid-template-columns:auto 1fr;align-items:start;gap:.25rem .75rem;padding:.65rem 0;display:grid}.check-item input{width:1.25rem;height:1.25rem;accent-color:var(--brand);margin-top:.2rem}.check-links{flex-wrap:wrap;grid-column:2;gap:.35rem .9rem;display:flex}.check-note{margin:.7rem 0 .2rem;font-weight:700}.image-credits{border-top:1px solid var(--border);color:var(--muted);margin-top:2.5rem;padding-top:1rem;font-size:.95rem}.image-credits h2{margin:0 0 .45rem;font-size:1rem}.image-credits ul{margin:0;padding-left:1.25rem;list-style:outside}.image-credits li+li{margin-top:.2rem}