:root { --amui-accent: #c23f1d; }
body.amui-dark-essay { --amui-accent: #ff946f; }
.amui-journal-nav, .amui-essay-meta, .amui-next { width: min(1120px, calc(100% - 44px)); margin-inline: auto; }
.amui-journal-nav { min-height: 84px; display: flex; align-items: center; gap: 32px; border-bottom: 1px solid var(--line); }
.amui-journal-nav a { text-decoration: none; font: 600 12px/1.5 "IBM Plex Mono", Consolas, monospace; padding-block: 12px; }
.amui-journal-nav .amui-wordmark { margin-right: auto; font: 800 26px/1.1 Arial, Helvetica, sans-serif; letter-spacing: -.06em; }
.amui-wordmark span { display: block; font: 500 9px/1.5 "IBM Plex Mono", Consolas, monospace; letter-spacing: .13em; text-transform: uppercase; }
.amui-journal-nav a:last-child { color: var(--amui-accent); }
.amui-essay-meta { display: flex; flex-wrap: wrap; gap: 10px 24px; padding-block: 20px; color: var(--muted); font: 500 10px/1.6 "IBM Plex Mono", Consolas, monospace; text-transform: uppercase; letter-spacing: .04em; }
.amui-essay-meta time { margin-left: auto; }
.amui-skip { position: absolute; z-index: 1001; left: 16px; top: -100px; padding: 14px 20px; background: #171714; color: #fff; }
.amui-skip:focus { top: 12px; }
a:focus-visible, button:focus-visible, input:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--amui-accent); outline-offset: 5px; }
button, input[type="range"] { min-height: 44px; }
a, button { touch-action: manipulation; }
button { color: inherit; }
.amui-context { font: 400 14px/1.6 Arial, Helvetica, sans-serif; color: var(--muted); max-width: 770px; margin: 20px 0 0; }
.hero-foot .side p.amui-context { font: 400 14px/1.6 Arial, Helvetica, sans-serif; margin-top: 16px; }
.amui-noscript { width: min(770px, calc(100% - 32px)); margin: 20px auto; font: 400 15px/1.6 Arial, Helvetica, sans-serif; }
.decision-intro h2 { margin: 0 0 14px; font: 750 clamp(31px, 4vw, 54px)/1.06 Arial, Helvetica, sans-serif; letter-spacing: -.045em; }
.system-step { opacity: 1; color: #dedbd4; }
.system-step span { color: #aaa9a3; }
.world-hidden:not(.show) { visibility: hidden; }
.world-hidden.show { opacity: 1; }
.amui-dark-essay .word small, .amui-dark-essay .proof-bar small { color: #a2ada7; }
.amui-dark-essay .prose h2 { font: 400 clamp(28px, 4vw, 42px)/1.15 Georgia, serif; letter-spacing: -.03em; margin: 0 0 24px; }
.amui-dark-essay .chat { min-height: 175px; }
@media (max-width: 600px) { .amui-dark-essay .chat-head { flex-wrap: wrap; gap: 8px; } }
.weighting, .weight-row { min-width: 0; }
.amui-takeaway { width: min(770px, calc(100% - 44px)); margin: 50px auto 70px; padding-top: 28px; border-top: 2px solid var(--amui-accent); }
.amui-takeaway > span, .amui-next > span { font: 600 11px/1.6 "IBM Plex Mono", Consolas, monospace; text-transform: uppercase; letter-spacing: .06em; color: var(--amui-accent); }
.amui-takeaway h2 { font: 500 clamp(30px, 4vw, 46px)/1.12 Georgia, serif; letter-spacing: -.035em; }
.amui-takeaway p { font: 400 20px/1.65 Georgia, serif; }
.amui-takeaway a { font: 600 13px/1.6 Arial, Helvetica, sans-serif; text-underline-offset: 5px; }
.amui-next { display: grid; gap: 22px; padding-block: 40px 60px; border-top: 1px solid var(--line); }
.amui-next a { font: 500 clamp(22px, 3vw, 36px)/1.2 Georgia, serif; text-decoration: none; max-width: 850px; }
.amui-next a:last-child { font: 600 12px/1.6 "IBM Plex Mono", Consolas, monospace; }
.amui-evaluation-detail { min-height: 3em; font: 400 16px/1.5 Georgia, serif; padding: 18px 0; }
button.cell.test { appearance: none; border: 0; border-radius: 0; font: inherit; cursor: pointer; position: relative; min-width: 0; }
.cell[data-tip]:focus-visible:after { content: attr(data-tip); position: absolute; z-index: 5; background: #171714; color: #fff; padding: 12px; width: min(260px, 70vw); bottom: 100%; left: 50%; transform: translateX(-50%); font: 400 13px/1.5 system-ui; }
.reveal { opacity: 1; transform: none; }
.step { opacity: 1; }
.hero { min-height: auto; padding-top: 64px; }
@media (max-width: 900px) { .evidence-board.show { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 720px) {
  .amui-journal-nav, .amui-essay-meta, .amui-next { width: calc(100% - 32px); }
  .amui-journal-nav { flex-wrap: wrap; gap: 12px 20px; padding-block: 14px; min-height: 76px; }
  .amui-journal-nav .amui-wordmark { font-size: 23px; }
  .amui-journal-nav a { font-size: 11px; }
  .amui-journal-nav a:last-child { display: none; }
  .amui-essay-meta { gap: 8px 18px; padding-block: 16px; }
  .amui-essay-meta time { margin-left: 0; }
  .hero { padding-top: 36px; }
  body[data-essay="ai-coding-product-judgment"] .hero h1 { font-size: clamp(39px, 10.6vw, 65px); line-height: .99; }
  .weight-row { grid-template-columns: minmax(0, 1fr) 68px; }
  .amui-takeaway { width: calc(100% - 32px); }
  .amui-takeaway p { font-size: 18px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; } }

/* Standalone essays use the same typography and header geometry as StudioHeader. */
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 600; font-display: swap; src: url('/fonts/ibm-plex-mono-600-latin.woff2') format('woff2'); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 700; font-display: swap; src: url('/fonts/ibm-plex-mono-700-latin.woff2') format('woff2'); }
body { font-family: Arial, Helvetica, sans-serif; -webkit-font-smoothing: antialiased; }
:root { --blue: #c23f1d; --blueSoft: #f8ddd4; }
body.amui-dark-essay { --sans: Arial, Helvetica, sans-serif; --paper: #080808; --paper-2: #111; --paper-3: #1d1d1d; --line: #333; --cyan: #ff946f; --cyan-soft: #8c452e; background: #080808; }
.amui-site-header { --accent: #ef5a35; display: flex; align-items: center; justify-content: space-between; height: 70px; position: sticky; top: 0; z-index: 100; isolation: isolate; background: #000; color: #f7f7f3; border-bottom: 1px solid #2a2a2a; padding-inline: max(clamp(20px, 4vw, 64px), calc((100vw - 1440px) / 2 + clamp(20px, 4vw, 64px))); }
.amui-site-brand { flex: 0 0 auto; width: clamp(132px, 14vw, 190px); position: relative; z-index: 102; }
.amui-site-brand img { display: block; width: 100%; height: auto; }
.amui-site-nav { display: flex; align-items: center; justify-content: flex-end; gap: clamp(16px, 2vw, 32px); min-width: 0; padding-left: 24px; }
.amui-site-nav a { color: #f7f7f3; white-space: nowrap; text-decoration: none; text-transform: uppercase; font: 700 .78rem/1.5 Arial, Helvetica, sans-serif; letter-spacing: .04em; position: relative; }
.amui-site-nav a:is(:hover, :focus-visible, [aria-current]) { color: var(--accent); }
.amui-site-nav a[aria-current]::after { content: ''; position: absolute; height: 2px; bottom: -8px; left: 0; right: 0; background: var(--accent); }
.amui-mobile-menu-button { display: none; }
.amui-mobile-menu[hidden] { display: none; }
.amui-journal-nav { min-height: 56px; gap: 28px; }
.amui-journal-nav a:last-child { color: inherit; }
html { scroll-padding-top: 85px; }
.hero h1 { font-family: Arial, Helvetica, sans-serif; font-weight: 500; letter-spacing: -.065em; }
@media (max-width: 1000px) and (min-width: 761px) { .amui-site-nav { gap: 16px; } .amui-site-nav a { font-size: .7rem; } .amui-site-brand { width: 132px; } }
@media (max-width: 760px) {
  .amui-site-header { height: 56px; padding-inline: 20px; }
  .amui-site-brand { width: 104px; }
  .amui-site-nav { flex-wrap: wrap; padding-block: 10px; }
  .amui-site-header:has(.amui-mobile-menu-button:not([hidden])) .amui-site-nav { display: none; }
  .amui-site-header:has(.amui-mobile-menu-button[hidden]) { height: auto; min-height: 56px; flex-wrap: wrap; }
  .amui-mobile-menu-button:not([hidden]) { display: block; position: relative; z-index: 102; border: 0; background: transparent; padding: 0; min-height: 44px; color: #f2f0ea; font: 700 .74rem/1 Arial, Helvetica, sans-serif; text-transform: uppercase; letter-spacing: .1em; cursor: pointer; }
  .amui-mobile-menu-button[aria-expanded=true] { color: #ef5a35; }
  .amui-mobile-menu { position: fixed; inset: 0; height: 100dvh; z-index: 101; overflow-y: auto; padding: clamp(88px, 15vh, 132px) 20px max(28px, env(safe-area-inset-bottom)); background: #080808; color: #f2f0ea; }
  .amui-mobile-menu nav { display: flex; flex-direction: column; border-top: 1px solid #444; }
  .amui-mobile-menu nav a { padding: clamp(14px, 2.8vh, 24px) 0; border-bottom: 1px solid #444; color: inherit; font: 700 clamp(1.25rem, 5vw, 1.75rem)/1 Arial, Helvetica, sans-serif; letter-spacing: -.055em; text-decoration: none; }
  .amui-mobile-menu nav a:is(:hover, [aria-current]) { color: #ef5a35; }
  .amui-mobile-menu-cta { display: inline-flex; gap: 12px; margin-top: 28px; padding-bottom: 10px; border-bottom: 1px solid #ef5a35; font: 700 .78rem/1.5 Arial, Helvetica, sans-serif; text-transform: uppercase; text-decoration: none; }
  .amui-mobile-menu-cta span { color: #ef5a35; }
  .amui-journal-nav { flex-wrap: nowrap; padding-block: 0; min-height: 48px; }
  .amui-journal-nav a:last-child { display: block; }
}

.ending p { color: #fff; }
.amui-dark-essay .tiny { color: #aaa9a3; }
body[data-essay="ai-coding-product-judgment"] { background: #faf9f6; }