/* Typography and palette adapted from insufferable.dev; original implementation. */
:root{color-scheme:light;--bg:#f3eee3;--fg:#24211d;--accent:#a2583e;--muted:#625d53;--line:#cfc3b2;--panel:#faf7f0;--sun:#c38300;--moon:#596d80}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg:#212737;--fg:#eaedf3;--accent:#ff9d62;--muted:#b9c1d3;--line:#4b556c;--panel:#283044;--sun:#ffce58;--moon:#cbd5e1}}
:root[data-theme=dark]{color-scheme:dark;--bg:#212737;--fg:#eaedf3;--accent:#ff9d62;--muted:#b9c1d3;--line:#4b556c;--panel:#283044;--sun:#ffce58;--moon:#cbd5e1}
*,*::before,*::after{box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--fg);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:underline;text-decoration-style:dashed;text-underline-offset:4px;overflow-wrap:anywhere}a:hover{color:var(--accent)}button,input,select{font:inherit;color:inherit}button,select{cursor:pointer}button,input,select{border:1px solid var(--line);border-radius:5px;background:var(--panel);padding:.5rem .7rem;min-height:44px}button:hover{border-color:var(--accent)}:focus-visible{outline:3px solid var(--accent);outline-offset:4px}input[type=checkbox]{min-height:auto;width:18px;height:18px;accent-color:var(--accent)}
.page{max-width:768px;margin:auto;padding:1.5rem 1rem 4rem}.page.wide{max-width:1160px}.site-nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:0 0 1.25rem;margin:0 0 2rem;border-bottom:1px solid var(--line);flex-wrap:wrap}.brand{font-size:1.4rem;font-weight:700;text-decoration:none}.site-nav nav{display:flex;align-items:center;gap:1.2rem;flex-wrap:wrap}.site-nav a[aria-current=page]{text-decoration-style:wavy}.theme-button{border:0;background:transparent;font-size:1.25rem;padding:.2rem .5rem;min-width:44px}.skip{position:fixed;top:-100px;left:1rem;background:var(--panel);padding:.5rem;z-index:10}.skip:focus{top:.5rem}
h1,h2,h3,p{margin-top:0}h1{font-size:1.875rem;line-height:1.2;color:var(--accent);letter-spacing:0;font-weight:700}h2{font-size:1.5rem;line-height:1.35;margin:2.5rem 0 1rem}h3{font-size:1.05rem;line-height:1.45}.name,.page-title,.post-title{font-size:1.875rem;color:var(--accent);letter-spacing:0}.header{margin-bottom:2.5rem}.role,.intro,.entry-desc,.contrib-text,.nav,.post-date,.entry-tech,.contrib-meta,.footer{color:var(--muted)}.role,.intro,.entry-desc,.contrib-text{font-size:1rem;line-height:1.75}.section-title{color:var(--muted);border-color:var(--line);font-size:.85rem}.entry{margin-bottom:1.8rem}.entry-title{font-size:1.1rem}.links{display:flex;gap:1rem;flex-wrap:wrap}.links a{color:var(--fg)}.footer{border-top:1px solid var(--line);padding-top:1rem;margin-top:3rem;font-size:.8rem}.post-body p{margin-bottom:1.5rem}.post-body h2{font-size:1.5rem;margin:2.5rem 0 1rem}.post-body code{background:var(--panel);font-size:.9em}.post-list{padding:0;list-style:none}.post-item{margin-bottom:1.25rem}.post-date{font-size:.85rem}.back{display:inline-block;margin-top:2rem}.quiet{font-size:.85rem;color:var(--muted)}.eyebrow{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.lede{max-width:740px;color:var(--muted)}.search-area{border-bottom:1px solid var(--line);margin-bottom:2rem;padding-bottom:1rem}.search-area input{width:100%}.search-area ul{list-style:none;padding:0}.search-area li{margin:.6rem 0}.search-area[hidden]{display:none}.toc{border-left:2px solid var(--line);padding-left:1rem;margin:2rem 0}.toc a{display:block;font-size:.9rem;margin:.4rem 0}.anchor{font-size:.8em;text-decoration:none;opacity:.6;margin-left:.4rem}.tool-entry{border-block:1px solid var(--line);padding:1.5rem 0;margin:2rem 0}.tool-entry h2{margin:0 0 .5rem}.tool-entry p{margin:0}
@media(max-width:600px){.page{padding:1rem 1rem 3rem}.site-nav{gap:.75rem}.site-nav nav{gap:.75rem}.brand{font-size:1.25rem}h1,.name,.page-title,.post-title{font-size:1.65rem}.entry-header{display:block}.post-date{display:block}.site-nav .theme-button{margin-left:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.entry-header{display:flex;gap:.5rem;align-items:baseline;flex-wrap:wrap}.contrib{display:flex;gap:.5rem;align-items:baseline;flex-wrap:wrap;margin-bottom:1rem}.contrib-badge{font-size:.7rem;font-weight:700;background:var(--fg);color:var(--bg);padding:.1rem .4rem;border-radius:3px}.section{margin-top:3rem}.section-title{padding-bottom:.5rem;border-bottom:1px solid var(--line)}.entry-title{margin:0}.entry-tech{font-size:.8rem}.entry-desc{margin:.3rem 0 0}.contrib-meta{font-size:.85rem}.links{margin-top:1.25rem}.controls label{min-width:0}

/* Reading cues: fixed progress, stable anchors, and the current article section. */
.reading-progress{position:fixed;inset:0 0 auto;height:4px;background:var(--bg);z-index:20;pointer-events:none}.reading-progress[hidden]{display:none}.reading-progress>div{height:100%;background:var(--accent);transform:scaleX(0);transform-origin:left center}.toc a[aria-current=location]{color:var(--accent);font-weight:700;text-decoration-style:solid}h2[id],h3[id],#main{scroll-margin-top:2rem}.reading-time{white-space:nowrap}::selection{background:var(--accent);color:var(--bg)}

/* Match the reference's scroll threshold, compact desktop control and mobile ring. */
main{display:flow-root}
.reading-progress>div{transition:transform 100ms linear}
.back-to-top-wrap{position:fixed;inset-inline-end:1rem;bottom:calc(2rem + env(safe-area-inset-bottom));z-index:50;opacity:0;transform:translateY(56px);visibility:hidden;pointer-events:none;transition:opacity .5s ease,transform .5s ease,visibility .5s}
.back-to-top-wrap.is-visible{opacity:1;transform:translateY(0);visibility:visible;pointer-events:auto}
.back-to-top-button{position:relative;isolation:isolate;display:flex;align-items:center;justify-content:center;gap:.35rem;width:56px;height:56px;min-height:56px;padding:0;border:0;border-radius:50%;background:var(--bg);color:var(--fg);box-shadow:0 8px 24px #0002}
.back-to-top-button::before{content:"";position:absolute;inset:-3px;border-radius:50%;background:conic-gradient(var(--accent) var(--read-progress,0%),transparent 0);mask:radial-gradient(farthest-side,transparent calc(100% - 3px),#000 0);pointer-events:none}
.back-to-top-button span{display:none}.back-to-top-button:hover{color:var(--accent)}
@media(min-width:768px){.back-to-top-wrap{position:sticky;inset-inline-end:auto;float:right;margin-inline-end:.25rem;bottom:2rem}.back-to-top-button{width:auto;height:32px;min-height:32px;padding:.25rem .5rem;border-radius:6px;box-shadow:none;background:color-mix(in srgb,var(--bg) 35%,transparent);backdrop-filter:blur(12px)}.back-to-top-button span{display:inline;font-size:.875rem}.back-to-top-button svg{width:16px;height:16px}.back-to-top-button::before{display:none}}
@media(prefers-reduced-motion:reduce){.reading-progress>div,.back-to-top-wrap{transition:none}}

/* A single quiet header on phones; the brand remains the home link. */
.menu-button{display:none}.tools-index .tool-entry{border-top:1px solid var(--line);border-bottom:0;margin:0;padding:1.4rem 0}.tools-index .tool-entry h2{font-size:1.3rem;margin:0 0 .45rem}.tools-index .lede{margin-bottom:1.8rem}.tools-index .tool-entry p{color:var(--muted)}.tools-index .footer{margin-top:1.5rem}summary{min-height:44px;align-content:center}button,input,select,textarea{max-width:100%}main{min-width:0}h1,h2,h3{overflow-wrap:anywhere}
@media(max-width:600px){.site-nav,.page.wide>.site-nav{margin-bottom:1.5rem;padding-bottom:1rem;gap:.5rem}.site-nav .brand{font-size:1.25rem}.site-nav.menu-ready{flex-wrap:wrap}.site-nav.menu-ready nav{display:none}.menu-button{display:flex;align-items:center;justify-content:center;margin-left:auto;background:transparent;border:0;width:44px;height:44px;padding:0}.site-nav.menu-open nav{display:flex;order:1;width:100%;padding:.5rem 0 0;gap:.75rem}.tools-index .tool-entry{padding:1.25rem 0}.tools-index .tool-entry h2{font-size:1.25rem}.tools-index .lede{margin-bottom:1.4rem}.quiet,.eyebrow{font-size:.875rem}.footer{margin-top:2rem}summary{line-height:1.5;padding:.35rem 0}}