.site-header[data-astro-cid-fzpbxy5g]{z-index:40;background:color-mix(in srgb, var(--surface) 92%, transparent);backdrop-filter:blur(8px);border-block-end:1px solid var(--border-subtle);position:sticky;inset-block-start:0}@supports not (backdrop-filter:blur(8px)){.site-header[data-astro-cid-fzpbxy5g]{background:var(--surface)}}.header-inner[data-astro-cid-fzpbxy5g]{align-items:center;gap:var(--space-m);padding-block:var(--space-2xs);flex-wrap:wrap;display:flex}.brand[data-astro-cid-fzpbxy5g]{align-items:center;gap:var(--space-2xs);color:var(--ink);min-height:var(--target-min);font-weight:750;text-decoration:none;display:inline-flex}.brand-mark[data-astro-cid-fzpbxy5g]{flex:none;width:2rem;height:2rem}.brand-name[data-astro-cid-fzpbxy5g]{font-size:var(--step-0);letter-spacing:-.015em;white-space:nowrap}nav[data-astro-cid-fzpbxy5g]{margin-inline-start:auto}.theme-toggle[data-astro-cid-fzpbxy5g]{width:var(--target-min);height:var(--target-min);color:var(--ink);border:1px solid var(--border-control);border-radius:var(--radius-m);cursor:pointer;transition:background-color var(--duration-fast) var(--ease);background:0 0;flex:none;justify-content:center;align-items:center;padding:0;display:inline-flex}.theme-toggle[data-astro-cid-fzpbxy5g]:hover{background:var(--surface-2)}.theme-toggle[data-astro-cid-fzpbxy5g] .ti[data-astro-cid-fzpbxy5g]{display:none}.theme-toggle[data-astro-cid-fzpbxy5g] .ti[data-astro-cid-fzpbxy5g] svg[data-astro-cid-fzpbxy5g]{width:1.2rem;height:1.2rem;display:block}.theme-toggle[data-astro-cid-fzpbxy5g] .ti-light[data-astro-cid-fzpbxy5g]{display:inline-flex}:root[data-theme=dark] .theme-toggle[data-astro-cid-fzpbxy5g] .ti-light[data-astro-cid-fzpbxy5g],:root[data-theme=contrast] .theme-toggle[data-astro-cid-fzpbxy5g] .ti-light[data-astro-cid-fzpbxy5g]{display:none}:root[data-theme=dark] .theme-toggle[data-astro-cid-fzpbxy5g] .ti-dark[data-astro-cid-fzpbxy5g],:root[data-theme=contrast] .theme-toggle[data-astro-cid-fzpbxy5g] .ti-contrast[data-astro-cid-fzpbxy5g]{display:inline-flex}.nav-list[data-astro-cid-fzpbxy5g]{gap:var(--space-3xs);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.nav-list[data-astro-cid-fzpbxy5g] li[data-astro-cid-fzpbxy5g]{margin:0}.nav-list[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]{min-height:var(--target-min);padding-inline:var(--space-xs);border-radius:var(--radius-m);color:var(--ink-muted);font-size:var(--step--1);transition:background-color var(--duration-fast) var(--ease), color var(--duration-fast) var(--ease);align-items:center;font-weight:600;text-decoration:none;display:inline-flex;position:relative}.nav-list[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]:hover{background:var(--surface-2);color:var(--ink)}.nav-list[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g][aria-current=page]{color:var(--brand-text)}.nav-list[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g][aria-current=page]:after{content:"";inset-inline:var(--space-xs);background:var(--brand);border-radius:1px;block-size:2px;position:absolute;inset-block-end:.4rem}.nav-toggle[data-astro-cid-fzpbxy5g]{width:var(--target-min);height:var(--target-min);color:var(--ink);border:1px solid var(--border-control);border-radius:var(--radius-m);cursor:pointer;transition:background-color var(--duration-fast) var(--ease);background:0 0;flex:none;justify-content:center;align-items:center;padding:0;display:none}.nav-toggle[data-astro-cid-fzpbxy5g]:hover{background:var(--surface-2)}.nav-icon[data-astro-cid-fzpbxy5g]{width:1.35rem;height:1.35rem;display:block}.nav-icon-close[data-astro-cid-fzpbxy5g],.nav-toggle[data-astro-cid-fzpbxy5g][aria-expanded=true] .nav-icon-open[data-astro-cid-fzpbxy5g]{display:none}.nav-toggle[data-astro-cid-fzpbxy5g][aria-expanded=true] .nav-icon-close[data-astro-cid-fzpbxy5g]{display:block}@media (width<=60rem){.theme-toggle[data-astro-cid-fzpbxy5g]{margin-inline-start:auto}nav[data-astro-cid-fzpbxy5g]{order:3;width:100%;margin-inline:0}:root[data-js] .nav-toggle[data-astro-cid-fzpbxy5g]{display:inline-flex}:root[data-js] #primary-nav[data-astro-cid-fzpbxy5g]{display:none}:root[data-js] #primary-nav[data-astro-cid-fzpbxy5g].is-open{display:block}.nav-list[data-astro-cid-fzpbxy5g]{padding-block:var(--space-2xs);border-block-start:1px solid var(--border-subtle);flex-flow:column;gap:0;overflow:visible}.nav-list[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]{width:100%;padding-inline:var(--space-2xs);font-size:var(--step-0);justify-content:flex-start}.nav-list[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g][aria-current=page]{box-shadow:inset 3px 0 0 var(--brand);background:var(--surface-2);border-start-start-radius:0;border-end-start-radius:0}.nav-list[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g][aria-current=page]:after{content:none}}.site-footer[data-astro-cid-nns7i3if]{border-block-start:1px solid var(--border-subtle);background:var(--surface-2);padding-block:var(--space-xl) var(--space-l);margin-block-start:var(--space-3xl)}.footer-grid[data-astro-cid-nns7i3if]{gap:var(--space-l);grid-template-columns:repeat(auto-fit,minmax(min(100%,13rem),1fr));display:grid}.footer-grid[data-astro-cid-nns7i3if]>div[data-astro-cid-nns7i3if]:first-child{grid-column:span 1;min-width:min(100%,20rem)}.footer-brand[data-astro-cid-nns7i3if]{margin-block-end:var(--space-3xs);font-weight:750}.footer-heading[data-astro-cid-nns7i3if]{font-size:var(--step--1);text-transform:uppercase;letter-spacing:.06em;margin:0 0 var(--space-2xs)}.site-footer[data-astro-cid-nns7i3if] ul[data-astro-cid-nns7i3if]{gap:var(--space-3xs);margin:0;padding:0;list-style:none;display:grid}.site-footer[data-astro-cid-nns7i3if] li[data-astro-cid-nns7i3if]+li[data-astro-cid-nns7i3if]{margin-block-start:0}.site-footer[data-astro-cid-nns7i3if] a[data-astro-cid-nns7i3if]{min-height:1.9rem;font-size:var(--step--1);align-items:center;display:inline-flex}.footer-note[data-astro-cid-nns7i3if]{border-block-start:1px solid var(--border-subtle);gap:var(--space-2xs);margin-block-start:var(--space-l);padding-block-start:var(--space-m);display:grid}.a11y-root[data-astro-cid-gzgm22jh]{--a11y-launcher-w:2.6rem}.a11y-launcher[data-astro-cid-gzgm22jh]{z-index:60;width:var(--a11y-launcher-w);background:var(--surface);height:auto;color:var(--ink);border:1px solid var(--border-control);box-shadow:var(--shadow-s);cursor:pointer;transition:background-color var(--duration-fast) var(--ease);border-inline-start:0;border-start-end-radius:var(--radius-m);border-end-end-radius:var(--radius-m);flex-direction:column;justify-content:center;align-items:center;gap:.4rem;padding-block:.85rem;display:inline-flex;position:fixed;inset-block-start:50%;inset-inline-start:0;transform:translateY(-50%)}.a11y-launcher[data-astro-cid-gzgm22jh]:hover{background:var(--surface-2)}.a11y-icon[data-astro-cid-gzgm22jh]{flex:none;width:1.3rem;height:1.3rem}.a11y-launcher-text[data-astro-cid-gzgm22jh]{writing-mode:vertical-rl;font-size:var(--step--2);letter-spacing:.04em;font-weight:700}@media (width<=48rem){.a11y-launcher[data-astro-cid-gzgm22jh]{width:var(--target-min);height:var(--target-min);border-inline-start:1px solid var(--border-control);box-shadow:var(--shadow-m);border-radius:50%;padding-block:0;inset-block-start:auto;inset-block-end:var(--space-s);inset-inline-start:var(--space-2xs);transform:none}.a11y-launcher-text[data-astro-cid-gzgm22jh]{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}}.a11y-panel[data-astro-cid-gzgm22jh]{z-index:61;width:min(22rem, calc(100vw - var(--a11y-launcher-w) - 2rem));overscroll-behavior:contain;background:var(--surface);border:1px solid var(--border-control);border-radius:var(--radius-l);max-height:min(85svh,40rem);box-shadow:var(--shadow-m);padding:var(--space-m);gap:var(--space-s);display:grid;position:fixed;inset-block-start:50%;inset-inline-start:calc(var(--a11y-launcher-w) + var(--space-2xs));overflow-y:auto;transform:translateY(-50%)}.a11y-panel[data-astro-cid-gzgm22jh][hidden]{display:none}@media (width<=48rem){.a11y-panel[data-astro-cid-gzgm22jh]{width:min(22rem,100vw - 1.5rem);max-height:min(80svh,38rem);inset-block-start:auto;inset-block-end:calc(var(--target-min) + var(--space-m));inset-inline-start:var(--space-2xs);transform:none}}.a11y-head[data-astro-cid-gzgm22jh]{align-items:center;gap:var(--space-2xs);display:flex}.a11y-title[data-astro-cid-gzgm22jh]{font-size:var(--step-0);margin:0;margin-inline-end:auto}.a11y-close[data-astro-cid-gzgm22jh]{width:var(--target-min);height:var(--target-min);color:var(--ink-muted);border-radius:var(--radius-m);cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;margin-inline-end:calc(var(--space-2xs) * -1);display:inline-flex}.a11y-close[data-astro-cid-gzgm22jh]:hover{background:var(--surface-2);color:var(--ink)}.a11y-group[data-astro-cid-gzgm22jh]{gap:var(--space-3xs);border:0;margin:0;padding:0;display:grid}.a11y-group[data-astro-cid-gzgm22jh] legend[data-astro-cid-gzgm22jh]{font-size:var(--step--1);padding:0;font-weight:600}.a11y-hint[data-astro-cid-gzgm22jh]{font-size:var(--step--1);color:var(--ink-muted);margin:0}.segmented-wrap[data-astro-cid-gzgm22jh]{gap:var(--space-3xs);border:0;flex-wrap:wrap;display:flex;overflow:visible}.segmented-wrap[data-astro-cid-gzgm22jh] label[data-astro-cid-gzgm22jh]{border:1px solid var(--border-control);border-radius:var(--radius-m)}.crumbs[data-astro-cid-vx4iavld]{padding-block:var(--space-s) 0}.crumbs[data-astro-cid-vx4iavld] ol[data-astro-cid-vx4iavld]{align-items:center;gap:var(--space-3xs);font-size:var(--step--1);color:var(--ink-muted);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.crumbs[data-astro-cid-vx4iavld] li[data-astro-cid-vx4iavld]{align-items:center;gap:var(--space-3xs);margin:0;display:inline-flex}.crumbs[data-astro-cid-vx4iavld] li[data-astro-cid-vx4iavld]+li[data-astro-cid-vx4iavld]:before{content:"/";color:var(--border-control)}.crumbs[data-astro-cid-vx4iavld] a[data-astro-cid-vx4iavld]{color:var(--ink-muted)}.crumbs[data-astro-cid-vx4iavld] [data-astro-cid-vx4iavld][aria-current=page]{color:var(--ink);font-weight:600}.rating[data-astro-cid-rtlp27kx]{max-width:var(--measure-px);margin:var(--space-l) 0 0;padding:var(--space-s);border:1px solid var(--border-subtle);border-radius:var(--radius-m)}.rating[data-astro-cid-rtlp27kx] h2[data-astro-cid-rtlp27kx]{font-size:var(--step-0);margin-block:0 var(--space-3xs)}.average[data-astro-cid-rtlp27kx]{margin-block:0 var(--space-2xs);font-size:var(--step--1)}.stars[data-astro-cid-rtlp27kx]{display:none}:root[data-js] .stars[data-astro-cid-rtlp27kx]{gap:var(--space-3xs);display:flex}.stars[data-astro-cid-rtlp27kx] button[data-astro-cid-rtlp27kx]{padding:var(--space-3xs);border-radius:var(--radius-s);color:var(--ink-muted);cursor:pointer;background:0 0;border:0;place-items:center;min-width:44px;min-height:44px;display:grid}.stars[data-astro-cid-rtlp27kx] button[data-astro-cid-rtlp27kx] svg[data-astro-cid-rtlp27kx]{fill:none;stroke:currentColor;stroke-width:1.5px;stroke-linejoin:round}.stars[data-astro-cid-rtlp27kx]:has(button:first-child:hover) button[data-astro-cid-rtlp27kx]:nth-child(-n+1),.stars[data-astro-cid-rtlp27kx]:has(button:nth-child(2):hover) button[data-astro-cid-rtlp27kx]:nth-child(-n+2),.stars[data-astro-cid-rtlp27kx]:has(button:nth-child(3):hover) button[data-astro-cid-rtlp27kx]:nth-child(-n+3),.stars[data-astro-cid-rtlp27kx]:has(button:nth-child(4):hover) button[data-astro-cid-rtlp27kx]:nth-child(-n+4),.stars[data-astro-cid-rtlp27kx]:has(button:nth-child(5):hover) button[data-astro-cid-rtlp27kx]:nth-child(-n+5),.stars[data-astro-cid-rtlp27kx] button[data-astro-cid-rtlp27kx]:hover,.stars[data-astro-cid-rtlp27kx] button[data-astro-cid-rtlp27kx]:focus-visible{color:var(--brand)}.stars[data-astro-cid-rtlp27kx]:has(button:first-child:hover) button[data-astro-cid-rtlp27kx]:nth-child(-n+1) svg[data-astro-cid-rtlp27kx],.stars[data-astro-cid-rtlp27kx]:has(button:nth-child(2):hover) button[data-astro-cid-rtlp27kx]:nth-child(-n+2) svg[data-astro-cid-rtlp27kx],.stars[data-astro-cid-rtlp27kx]:has(button:nth-child(3):hover) button[data-astro-cid-rtlp27kx]:nth-child(-n+3) svg[data-astro-cid-rtlp27kx],.stars[data-astro-cid-rtlp27kx]:has(button:nth-child(4):hover) button[data-astro-cid-rtlp27kx]:nth-child(-n+4) svg[data-astro-cid-rtlp27kx],.stars[data-astro-cid-rtlp27kx]:has(button:nth-child(5):hover) button[data-astro-cid-rtlp27kx]:nth-child(-n+5) svg[data-astro-cid-rtlp27kx],.stars[data-astro-cid-rtlp27kx] button[data-astro-cid-rtlp27kx]:hover svg[data-astro-cid-rtlp27kx],.stars[data-astro-cid-rtlp27kx] button[data-astro-cid-rtlp27kx]:focus-visible svg[data-astro-cid-rtlp27kx]{fill:currentColor}.is-sending[data-astro-cid-rtlp27kx] .stars[data-astro-cid-rtlp27kx] button[data-astro-cid-rtlp27kx]{pointer-events:none;opacity:.6}.status[data-astro-cid-rtlp27kx]{margin-block:var(--space-2xs) 0;font-size:var(--step--1);min-height:1.5em}:root{--step--1:clamp(.833rem, .8rem + .17vw, .9rem);--step-0:clamp(1rem, .96rem + .22vw, 1.125rem);--step-1:clamp(1.2rem, 1.13rem + .35vw, 1.406rem);--step-2:clamp(1.44rem, 1.33rem + .55vw, 1.758rem);--step-3:clamp(1.728rem, 1.56rem + .84vw, 2.197rem);--step-4:clamp(2.074rem, 1.82rem + 1.26vw, 2.747rem);--step-5:clamp(2.488rem, 2.13rem + 1.82vw, 3.433rem);--font-sans:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";--font-mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--space-3xs:.25rem;--space-2xs:.5rem;--space-xs:.75rem;--space-s:1rem;--space-m:1.5rem;--space-l:2rem;--space-xl:3rem;--space-2xl:4rem;--space-3xl:6rem;--measure:68ch;--measure-px:42rem;--width-content:46rem;--width-wide:72rem;--radius-s:6px;--radius-m:10px;--radius-l:16px;--radius-full:999px;--ease:cubic-bezier(.2, 0, .13, 1);--duration-fast:.12s;--duration:.2s;--target-min:44px;--unit-toggle-w:9.5rem;--calc-max:48rem;--calc-col-min:17rem;--shadow-s:0 1px 2px #1c19170f, 0 1px 3px #1c191714;--shadow-m:0 2px 6px #1c191712, 0 8px 20px #1c191714}:root,[data-theme=light]{color-scheme:light;--surface:#fffbf5;--surface-2:#f5f0e8;--surface-3:#ede6da;--ink:#1c1917;--ink-muted:#57534e;--ink-inverse:#fffbf5;--brand:#b45309;--brand-text:#9a3412;--brand-soft:#fef3e2;--accent:#0f766e;--accent-text:#115e59;--accent-soft:#e6f4f1;--border-subtle:#e7e0d5;--border-control:#78716c;--success:#166534;--warning:#854d0e;--danger:#991b1b;--info:#1d4ed8;--chart-median:#9a3412;--chart-band:#0f766e;--chart-subject:#1d4ed8;--chart-grid:#c7bfb2;--focus-ring:#9a3412;--focus-halo:#fffbf5}[data-theme=dark]{color-scheme:dark;--surface:#1c1917;--surface-2:#292524;--surface-3:#3a3532;--ink:#fafaf9;--ink-muted:#a8a29e;--ink-inverse:#1c1917;--brand:#fbbf24;--brand-text:#fbbf24;--brand-soft:#3b2f14;--accent:#5eead4;--accent-text:#5eead4;--accent-soft:#103833;--border-subtle:#3a3532;--border-control:#8c857f;--success:#4ade80;--warning:#fcd34d;--danger:#fca5a5;--info:#93c5fd;--chart-median:#fbbf24;--chart-band:#5eead4;--chart-subject:#93c5fd;--chart-grid:#57534e;--focus-ring:#fbbf24;--focus-halo:#1c1917;--shadow-s:0 1px 2px #0006, 0 1px 3px #00000080;--shadow-m:0 2px 6px #00000073, 0 8px 20px #0000008c}[data-theme=contrast]{color-scheme:light;--surface:#fff;--surface-2:#fff;--surface-3:#fff;--ink:#000;--ink-muted:#000;--ink-inverse:#fff;--brand:#000;--brand-text:#000;--brand-soft:#fff;--accent:#000;--accent-text:#000;--accent-soft:#fff;--border-subtle:#000;--border-control:#000;--success:#000;--warning:#000;--danger:#000;--info:#000;--chart-median:#000;--chart-band:#000;--chart-subject:#000;--chart-grid:#000;--focus-ring:#000;--focus-halo:#fff;--shadow-s:none;--shadow-m:none}[data-theme=contrast] body{--measure:62ch}[data-theme=contrast] .chart-band{stroke-dasharray:6 4}[data-theme=contrast] .chart-median{stroke-dasharray:none;stroke-width:3px}[data-theme=contrast] .chart-subject{stroke-dasharray:2 3;stroke-width:3px}[data-theme=contrast] :where(button,input,select,textarea,a.btn){border:2px solid #000!important}[data-text-size=large]{font-size:112.5%}[data-text-size=xlarge]{font-size:125%}[data-reading-font=dyslexic]{--font-sans:"OpenDyslexic", "Comic Sans MS", "Trebuchet MS", Verdana, sans-serif;letter-spacing:.02em;word-spacing:.08em}[data-motion=reduced] *,[data-motion=reduced] :before,[data-motion=reduced] :after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}*,:before,:after{box-sizing:border-box}*{margin:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:5rem}body{min-height:100svh;font-family:var(--font-sans);font-size:var(--step-0);color:var(--ink);background-color:var(--surface);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;line-height:1.65}img,picture,svg,video{max-width:100%;height:auto;display:block}input,button,textarea,select{font:inherit;color:inherit}p,h1,h2,h3,h4,h5,h6{overflow-wrap:break-word}h1,h2,h3,h4{text-wrap:balance;font-weight:700;line-height:1.2}h1{font-size:var(--step-5);letter-spacing:-.022em}h2{font-size:var(--step-3);letter-spacing:-.014em;margin-block-start:var(--space-xl)}h3{font-size:var(--step-2);letter-spacing:-.008em;margin-block-start:var(--space-l)}h4{font-size:var(--step-1);margin-block-start:var(--space-m)}p,ul,ol,dl,blockquote,table,figure{margin-block-end:var(--space-s)}p{text-wrap:pretty}a{color:var(--accent-text);text-underline-offset:.16em;transition:text-decoration-thickness var(--duration-fast) var(--ease);text-decoration-line:underline;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}strong,b{font-weight:650}small{font-size:var(--step--1)}code,kbd,samp{font-family:var(--font-mono);background:var(--surface-3);border-radius:var(--radius-s);padding:.12em .36em;font-size:.9em}pre{padding:var(--space-s);background:var(--surface-3);border-radius:var(--radius-m);overflow-x:auto}pre code{background:0 0;padding:0}ul,ol{padding-inline-start:1.4em}li+li{margin-block-start:var(--space-3xs)}blockquote{border-inline-start:4px solid var(--brand);color:var(--ink-muted);padding-inline-start:var(--space-s);font-style:italic}hr{border:0;border-block-start:1px solid var(--border-subtle);margin-block:var(--space-l)}:focus-visible{outline:3px solid var(--focus-ring);outline-offset:2px;box-shadow:0 0 0 2px var(--focus-halo);border-radius:var(--radius-s)}:focus:not(:focus-visible){outline:none}.skip-link{z-index:999;padding:var(--space-2xs) var(--space-s);background:var(--accent);color:#fff;border-radius:var(--radius-m);font-weight:600;text-decoration:none;position:absolute;inset-block-start:-100%;inset-inline-start:var(--space-s)}.skip-link:focus{inset-block-start:var(--space-s)}.visually-hidden:not(:focus):not(:active){clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.wrap{width:min(100% - 2.5rem, var(--width-wide));margin-inline:auto}.wrap-content{width:min(100% - 2.5rem, var(--width-content));margin-inline:auto}.prose>*{max-width:var(--measure-px);margin-inline:0}.prose>.full-bleed,.prose>.table-scroll,.prose>figure{max-width:none}.prose>.defs,.prose>.definitions,.prose>.see-also{max-width:var(--measure-px)}.definitions{gap:var(--space-2xs);display:grid}.definitions dt{color:var(--brand-text);font-weight:700}.definitions dd{margin:0 0 var(--space-2xs)}.prose.calculator h2{margin-block-start:var(--space-2xl);margin-block-end:var(--space-xs)}.prose.calculator .card h2{margin-block-start:0}.prose.calculator h3{margin-block-start:var(--space-xl);margin-block-end:var(--space-2xs)}.prose.calculator .card h3{margin-block-start:0}.prose.calculator h4{margin-block-end:var(--space-3xs)}.prose.calculator>p,.prose.calculator>ul,.prose.calculator>ol,.prose.calculator>dl{margin-block-end:var(--space-m)}.prose.calculator>.byline+.full-bleed{margin-block-start:var(--space-m)}.stack>*+*{margin-block-start:var(--space-s)}.section{padding-block:var(--space-xl)}.btn{justify-content:center;align-items:center;gap:var(--space-2xs);min-height:var(--target-min);min-width:var(--target-min);border-radius:var(--radius-m);cursor:pointer;transition:background-color var(--duration-fast) var(--ease), border-color var(--duration-fast) var(--ease);border:1px solid #0000;padding:.6rem 1.15rem;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-text)}.btn-secondary{background:var(--surface-2);color:var(--ink);border-color:var(--border-control)}.btn-secondary:hover{background:var(--surface-3)}[data-theme=dark] .btn-primary{color:var(--ink-inverse)}[data-theme=contrast] .btn-primary{color:#fff;background:#000}.calc{max-width:var(--calc-max)}.calc-grid{gap:var(--space-m);grid-template-columns:repeat(auto-fit, minmax(min(100%, var(--calc-col-min)), 1fr));display:grid}.field{gap:var(--space-3xs);flex-direction:column;display:flex}.field label{font-weight:600;font-size:var(--step--1)}.hint{font-size:var(--step--1);color:var(--ink-muted)}input[type=text],input[type=number],input[type=date],select,textarea{min-height:var(--target-min);background:var(--surface);border:1px solid var(--border-control);border-radius:var(--radius-m);width:100%;padding:.55rem .7rem}input:invalid,[aria-invalid=true]{border-color:var(--danger);border-width:2px}.input-row{gap:var(--space-2xs);align-items:stretch;display:flex}.input-row input{flex:auto;min-width:0}.input-row .segmented{flex:0 0 var(--unit-toggle-w)}.input-row .segmented label{padding-inline:var(--space-3xs);flex:1 1 0}.calc-grid>.field>input[type=number]{max-width:max(7rem, calc(100% - var(--unit-toggle-w) - var(--space-2xs)))}.segmented{border:1px solid var(--border-control);border-radius:var(--radius-m);display:inline-flex;overflow:hidden}.segmented input{opacity:0;pointer-events:none;position:absolute}.segmented label{min-height:var(--target-min);cursor:pointer;font-weight:600;font-size:var(--step--1);justify-content:center;align-items:center;padding-inline:.9rem;display:inline-flex}.segmented input:checked+label{background:var(--accent);color:#fff}.segmented input:focus-visible+label{outline:3px solid var(--focus-ring);outline-offset:-3px}[data-theme=dark] .segmented input:checked+label{color:var(--ink-inverse)}.card{background:var(--surface-2);border:1px solid var(--border-subtle);border-radius:var(--radius-l);padding:var(--space-m)}.callout{border-inline-start:4px solid var(--brand);background:var(--brand-soft);padding:var(--space-s) var(--space-m);border-radius:0 var(--radius-m) var(--radius-m) 0}.callout-warning{border-color:var(--warning)}.callout-info{border-color:var(--info)}.table-scroll{margin-block-end:var(--space-s);overflow-x:auto}.prose>table{max-width:100%;display:block;overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:var(--step--1)}caption{text-align:start;color:var(--ink-muted);padding-block-end:var(--space-2xs);font-weight:600}th,td{text-align:start;border-block-end:1px solid var(--border-subtle);padding:.55rem .7rem}thead th{background:var(--surface-3);white-space:nowrap;font-weight:700}tbody tr:nth-child(2n){background:var(--surface-2)}.text-muted{color:var(--ink-muted)}.text-small{font-size:var(--step--1)}.flow-tight>*+*{margin-block-start:var(--space-2xs)}.grid-auto{gap:var(--space-m);grid-template-columns:repeat(auto-fit,minmax(min(100%,17rem),1fr));display:grid}@media print{.no-print,nav,footer,.skip-link{display:none!important}body{color:#000;background:#fff}a:after{content:" (" attr(href) ")";font-size:.8em}}main:focus{outline:none}