:root {
  --purple: #7d46ec;
  --purple-deep: #5124ad;
  --purple-pale: #eee8fd;
  --indigo: #6366f1;
  --cyan: #1cc7e9;
  --ink: #0f172a;
  --slate: #475569;
  --muted: #6b7280;
  --line: #e3e7ec;
  --surface: #f8f9fb;
  --white: #ffffff;
  --green: #1f8a61;
  --red: #d14d43;
  --max: 1180px;
  --type-reading: 1rem;
  --type-support: .9rem;
  --type-metadata: .78rem;
  --type-label: .72rem;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--surface); color: var(--ink); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
a { color: inherit; }
img { display: block; max-width: 100%; }
code { font-family: "SFMono-Regular", Consolas, monospace; }
[hidden] { display: none !important; }

a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }

.app-header { min-height: 74px; padding: 0 max(28px, calc((100vw - var(--max)) / 2)); display: flex; align-items: center; justify-content: space-between; gap: 28px; background: var(--white); border-bottom: 1px solid var(--line); }
.brand-lockup { display: inline-flex; align-items: center; gap: 15px; text-decoration: none; font-size: .82rem; font-weight: 700; letter-spacing: -.01em; }
.brand-lockup img { width: 82px; height: auto; object-fit: contain; }
.brand-lockup span { padding-left: 15px; border-left: 1px solid var(--line); color: var(--slate); }
.brand-lockup--inverse img { width: 104px; }
.brand-lockup--inverse span { border-color: rgba(255,255,255,.34); color: white; }
.user-menu { display: flex; align-items: center; gap: 18px; color: var(--muted); font-size: .72rem; }
.user-menu form { margin: 0; }
.user-menu button { padding: 8px 11px; border: 1px solid var(--line); border-radius: 9px; background: white; color: var(--slate); cursor: pointer; font-size: .7rem; font-weight: 600; }
.user-menu button:hover { border-color: #c9c2da; color: var(--purple-deep); }

.app-footer { min-height: 72px; padding: 0 max(28px, calc((100vw - var(--max)) / 2)); display: flex; align-items: center; justify-content: space-between; gap: 24px; background: var(--ink); color: #a8b2c2; font-size: .66rem; }
.overline { margin: 0; color: var(--purple); font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.overline--inverse { color: #d5c7fa; }

/* Login */
.login-page { min-height: 100vh; background: white; }
.login-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(420px, 1.05fr) minmax(420px, .95fr); }
.login-brand { min-height: 100vh; padding: clamp(36px, 5vw, 72px); position: relative; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; background: var(--purple); color: white; }
.login-brand::before { content: ""; width: min(56vw, 740px); aspect-ratio: 1; position: absolute; right: -34%; bottom: -37%; border: clamp(38px, 5vw, 76px) solid rgba(255,255,255,.095); border-radius: 50%; }
.login-brand::after { content: ""; width: 16px; height: 44%; position: absolute; right: 12%; top: 0; background: var(--cyan); }
.login-brand > * { position: relative; z-index: 1; }
.login-thesis { max-width: 670px; padding: 100px 0 70px; }
.login-thesis h1 { max-width: 650px; margin: 22px 0 24px; font-size: clamp(3.3rem, 5.7vw, 6.5rem); line-height: .94; letter-spacing: -.06em; font-weight: 750; text-wrap: balance; }
.login-thesis > p:last-child { max-width: 520px; margin: 0; color: #eee8ff; font-size: 1.03rem; line-height: 1.65; }
.login-footnote { margin: 0; color: #d8cdf6; font-size: .68rem; }
.login-action { display: grid; place-items: center; padding: 56px; background: white; }
.login-action-inner { width: min(390px, 100%); }
.login-index { width: 56px; height: 56px; margin-bottom: 88px; display: grid; place-items: center; background: var(--ink); color: white; font-size: .61rem; font-weight: 700; }
.login-action h2 { margin: 18px 0 16px; font-size: clamp(2rem, 3vw, 3.15rem); line-height: 1.02; letter-spacing: -.045em; }
.login-copy { margin: 0 0 34px; color: var(--slate); font-size: .9rem; line-height: 1.65; }
.google-button { width: 100%; min-height: 54px; padding: 0 20px; display: flex; align-items: center; justify-content: center; gap: 12px; border: 0; border-radius: 11px; background: var(--purple); color: white; cursor: pointer; font-weight: 650; box-shadow: 0 8px 22px rgba(81,36,173,.18); transition: transform .16s ease, background .16s ease; }
.google-button svg { width: 20px; height: 20px; padding: 2px; border-radius: 3px; background: white; }
.google-button:hover { background: var(--purple-deep); transform: translateY(-1px); }
.google-button:disabled { cursor: wait; opacity: .68; transform: none; }
.google-button.is-loading::after { content: ""; width: 14px; height: 14px; border: 2px solid rgba(255,255,255,.4); border-top-color: white; border-radius: 50%; animation: spin .7s linear infinite; }
.login-error { margin: 18px 0 0; padding: 12px 14px; border: 1px solid #e8b6b2; border-radius: 9px; background: #fff4f3; color: #8f2f29; font-size: .75rem; line-height: 1.45; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Index */
.library { width: min(var(--max), calc(100% - 56px)); margin: 0 auto; padding: 78px 0 108px; }
.library-intro { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr); gap: 80px; align-items: end; }
.library-intro h1 { max-width: 800px; margin: 19px 0 0; font-size: clamp(3.1rem, 6vw, 6.1rem); line-height: .96; letter-spacing: -.065em; font-weight: 760; text-wrap: balance; }
.library-deck { max-width: 500px; margin: 0 0 10px; color: var(--slate); font-size: 1rem; line-height: 1.7; }
.library-register { margin-top: 80px; border-top: 5px solid var(--purple); }
.register-header { min-height: 92px; padding: 20px 0; display: flex; align-items: center; justify-content: space-between; gap: 28px; border-bottom: 1px solid var(--line); }
.register-header > div { display: flex; align-items: baseline; gap: 16px; }
.register-header > div span { font-size: 1.8rem; font-weight: 760; letter-spacing: -.04em; }
.register-header small { color: var(--muted); font-size: .68rem; }
.artifact-search { width: min(310px, 100%); position: relative; }
.artifact-search span { position: absolute; left: 13px; top: -6px; padding: 0 5px; background: var(--surface); color: var(--purple); font-size: .56rem; font-weight: 700; text-transform: uppercase; }
.artifact-search input { width: 100%; height: 46px; padding: 0 14px; border: 1px solid #cfd5dd; border-radius: 10px; background: transparent; color: var(--ink); font-size: .75rem; }
.artifact-row { min-height: 124px; display: grid; grid-template-columns: 54px 150px minmax(280px, 1fr) 180px 24px; gap: 22px; align-items: center; border-bottom: 1px solid var(--line); text-decoration: none; transition: background .15s ease, transform .15s ease; }
.artifact-row:hover { background: white; transform: translateX(4px); }
.artifact-number { color: var(--purple); font-size: .65rem; font-weight: 700; }
.artifact-date { display: flex; flex-direction: column; gap: 8px; }
.artifact-date time { font-size: .73rem; font-weight: 650; }
.artifact-date small, .artifact-name small { color: var(--muted); font-size: .67rem; line-height: 1.5; }
.artifact-name { display: flex; flex-direction: column; gap: 10px; }
.artifact-name strong { font-size: 1.15rem; letter-spacing: -.025em; }
.artifact-name small { max-width: 70ch; }
.artifact-record-meta { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.artifact-status { display: flex; align-items: center; gap: 9px; color: var(--slate); font-size: .66rem; }
.artifact-status i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px #e3f5ed; }
.artifact-review-count { color: var(--purple-deep); font-size: .61rem; font-weight: 700; }
.artifact-arrow { color: var(--purple); font-size: 1.1rem; }
.empty-filter { padding: 44px 0; color: var(--muted); }
.authoring-note { margin: 66px 0 0 auto; max-width: 620px; padding: 24px 0 0; display: grid; grid-template-columns: 120px 1fr auto; gap: 24px; align-items: start; border-top: 1px solid var(--purple); }
.authoring-note > span { color: var(--purple); font-size: .62rem; font-weight: 700; text-transform: uppercase; }
.authoring-note p { margin: 0; color: var(--slate); font-size: .73rem; line-height: 1.55; }
.authoring-note a { color: var(--purple-deep); font-size: .7rem; font-weight: 700; text-decoration: none; white-space: nowrap; }

/* Reading surface */
.document { width: min(1420px, 100%); margin: 0 auto; display: grid; grid-template-columns: 250px minmax(0, 1fr); background: white; }
.document-rail { min-height: calc(100vh - 74px); padding: 44px 34px; position: sticky; top: 0; align-self: start; background: var(--purple); color: white; }
.rail-back { display: inline-block; color: #dfd5fb; font-size: var(--type-metadata); font-weight: 600; text-decoration: none; }
.rail-date { margin: 80px 0 88px; display: flex; align-items: center; gap: 14px; }
.rail-date strong { font-size: 3.5rem; line-height: 1; letter-spacing: -.04em; }
.rail-date span { color: #ddd1fa; font-size: var(--type-label); font-weight: 650; line-height: 1.4; }
.document-rail nav { display: flex; flex-direction: column; }
.document-rail nav a { padding: 13px 0; border-top: 1px solid rgba(255,255,255,.22); color: #dcd1f7; font-size: var(--type-metadata); line-height: 1.45; text-decoration: none; }
.document-rail nav a:last-child { border-bottom: 1px solid rgba(255,255,255,.22); }
.document-rail nav a:hover, .document-rail nav a[aria-current] { color: white; padding-left: 10px; }
.document-body { min-width: 0; }
.document-hero { min-height: 720px; padding: 48px clamp(42px, 4vw, 64px) 50px; display: flex; flex-direction: column; border-bottom: 1px solid var(--line); background: white; }
.document-meta { display: flex; align-items: center; justify-content: space-between; gap: 24px; color: var(--muted); font-size: var(--type-metadata); }
.document-kind { color: var(--purple); font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.document-meta-facts { display: flex; align-items: center; gap: 14px; }
.document-review-count { padding-left: 14px; border-left: 1px solid var(--line); color: var(--purple-deep); font-weight: 700; }
.hero-decision-layout { flex: 1; margin-top: 28px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(420px, .94fr); gap: clamp(28px, 3vw, 44px); align-items: stretch; }
.hero-copy { padding: 12px 0; display: flex; flex-direction: column; justify-content: center; }
.status-pill { width: fit-content; margin: 0 0 18px; padding: 8px 12px; border-radius: 999px; background: var(--purple-pale); color: var(--purple-deep); font-size: var(--type-label); font-weight: 700; }
.document-hero h1 { max-width: 650px; margin: 0; font-size: clamp(2.8rem, 4vw, 4rem); line-height: .96; letter-spacing: -.04em; font-weight: 770; text-wrap: balance; }
.document-deck { max-width: 65ch; margin: 20px 0 0; color: var(--slate); font-size: 1.05rem; line-height: 1.62; }
.document-audience { max-width: 65ch; margin: 24px 0 0; padding-top: 14px; display: grid; grid-template-columns: 52px 1fr; gap: 14px; border-top: 1px solid var(--line); color: var(--slate); font-size: var(--type-support); line-height: 1.55; }
.document-audience span { color: var(--purple); font-size: var(--type-label); font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.decision-panel { min-height: 0; padding: 34px 36px; display: flex; flex-direction: column; background: var(--ink); color: white; }
.decision-panel > span { color: #cdbdf4; font-size: var(--type-label); font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.decision-panel h2 { max-width: 660px; margin: 22px 0 0; font-size: clamp(1.75rem, 2.25vw, 2.25rem); line-height: 1.05; letter-spacing: -.035em; text-wrap: balance; }
.decision-recommendation { margin-top: 24px; padding-top: 17px; display: grid; grid-template-columns: 1fr; gap: 10px; border-top: 1px solid #344054; }
.decision-recommendation strong, .decision-guardrail strong { color: #cdbdf4; font-size: var(--type-label); text-transform: uppercase; letter-spacing: .04em; }
.decision-recommendation p { margin: 0; color: #edf0f5; font-size: var(--type-support); font-weight: 500; line-height: 1.62; }
.decision-panel dl { margin: auto 0 0; padding-top: 22px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; border-top: 1px solid #344054; }
.decision-panel dl div { min-width: 0; }
.decision-panel dt { color: #aeb9c9; font-size: var(--type-label); font-weight: 600; text-transform: uppercase; }
.decision-panel dd { margin: 8px 0 0; font-size: var(--type-support); font-weight: 700; }
.decision-guardrail { margin: 20px 0 0; padding-top: 16px; display: grid; grid-template-columns: 104px 1fr; gap: 18px; border-top: 1px solid #344054; color: #e1e6ee; font-size: .84rem; font-weight: 500; line-height: 1.58; }
.intent-split { max-width: 860px; margin-top: 52px; display: grid; grid-template-columns: 1fr 1fr; gap: 38px; }
.intent-split > div { padding-top: 15px; border-top: 1px solid #cfc7e1; }
.intent-split span, .evidence-observation > div > span, .work-lane header > span { color: var(--purple); font-size: var(--type-label); font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.intent-split p { margin: 10px 0 0; color: var(--slate); font-size: var(--type-reading); line-height: 1.65; }
.document-section { padding: 100px clamp(42px, 7vw, 112px); display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 58px; border-bottom: 1px solid var(--line); scroll-margin-top: 20px; }
.section-label { padding-top: 7px; }
.section-label span { color: var(--purple); font-size: var(--type-metadata); font-weight: 700; }
.section-label p { margin: 9px 0 0; color: var(--muted); font-size: var(--type-metadata); line-height: 1.45; }
.section-content { max-width: 840px; }
.section-content--wide { max-width: none; }
.section-content h2 { max-width: 850px; margin: 0; font-size: clamp(2.2rem, 4vw, 4rem); line-height: 1.02; letter-spacing: -.04em; text-wrap: balance; }
.section-intro { max-width: 70ch; margin: 22px 0 44px; color: var(--slate); font-size: var(--type-reading); line-height: 1.7; }
.findings { margin-top: 52px; border-top: 1px solid var(--line); }
.finding { padding: 28px 0; display: grid; grid-template-columns: 48px minmax(180px, .8fr) minmax(280px, 1.2fr); gap: 28px; border-bottom: 1px solid var(--line); }
.finding > span { color: var(--purple); font-size: var(--type-label); font-weight: 700; }
.finding h3 { margin: 0; font-size: 1.2rem; line-height: 1.38; letter-spacing: -.02em; }
.finding p { margin: 0; color: var(--slate); font-size: var(--type-reading); line-height: 1.7; }
.position { margin: 42px 0 0; padding: 24px 28px; display: grid; grid-template-columns: 140px 1fr; gap: 24px; background: var(--purple-pale); color: var(--purple-deep); font-size: var(--type-reading); line-height: 1.62; }
.position strong { font-size: var(--type-label); text-transform: uppercase; letter-spacing: .04em; }
.boundary-note { margin: 20px 0 0; padding: 18px 0 0; display: grid; grid-template-columns: 140px 1fr; gap: 24px; border-top: 1px solid var(--line); color: var(--slate); font-size: var(--type-support); line-height: 1.62; }
.boundary-note strong { color: var(--muted); font-size: var(--type-label); text-transform: uppercase; letter-spacing: .04em; }
.evidence-table { border-top: 4px solid var(--purple); }
.evidence-row { border-bottom: 1px solid var(--line); }
.evidence-observation { padding: 30px 0; display: grid; grid-template-columns: 150px repeat(3, minmax(150px, 1fr)); gap: 28px; }
.evidence-value { display: flex; flex-direction: column; gap: 8px; }
.evidence-value strong { color: var(--purple); font-size: 2.85rem; line-height: 1; letter-spacing: -.04em; }
.evidence-value small { color: var(--muted); font-size: var(--type-metadata); line-height: 1.45; }
.evidence-observation p { margin: 9px 0 0; color: var(--slate); font-size: var(--type-support); line-height: 1.65; }
.evidence-observation code { display: inline-block; margin-top: 12px; padding: 5px 7px; background: var(--surface); color: var(--ink); font-size: var(--type-metadata); }
.measurement-contract { padding: 22px 24px; display: grid; grid-template-columns: 130px 1fr; gap: 24px; background: var(--surface); }
.measurement-contract > span { color: var(--purple); font-size: var(--type-label); font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.measurement-contract dl { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 28px; }
.measurement-contract dl div { display: grid; grid-template-columns: 1fr; gap: 7px; }
.measurement-contract dt { color: var(--muted); font-size: var(--type-label); font-weight: 700; text-transform: uppercase; }
.measurement-contract dd { margin: 0; color: var(--slate); font-size: .84rem; line-height: 1.58; }
.evidence-note { margin: 34px 0 0; padding: 24px 28px; display: grid; grid-template-columns: 120px 1fr; gap: 25px; border-top: 3px solid var(--cyan); background: #f1fbfd; color: var(--slate); font-size: var(--type-support); line-height: 1.65; }
.evidence-note strong { color: #08758a; font-size: var(--type-label); text-transform: uppercase; }
.secondary-signals { margin-top: 36px; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.secondary-signal { padding-top: 20px; display: grid; grid-template-columns: 110px 1fr; gap: 9px 20px; border-top: 1px solid var(--indigo); }
.secondary-signal strong { grid-row: 1 / 3; color: var(--indigo); font-size: 1.65rem; letter-spacing: -.04em; }
.secondary-signal p { margin: 2px 0 0; font-size: var(--type-support); font-weight: 650; }
.secondary-signal small { color: var(--muted); font-size: var(--type-metadata); line-height: 1.5; }
.work-lane { margin-top: 52px; padding-top: 26px; display: grid; grid-template-columns: minmax(210px, .8fr) minmax(280px, 1.2fr); gap: 42px; border-top: 1px solid var(--line); }
.work-lane header h3 { margin: 10px 0 0; font-size: 1.23rem; line-height: 1.3; letter-spacing: -.03em; }
.work-lane header p { margin: 14px 0 0; color: var(--slate); font-size: var(--type-support); line-height: 1.62; }
.work-lane > p { margin: 0; color: var(--slate); font-size: var(--type-reading); line-height: 1.7; }
.work-lane ul { margin: 0; padding: 0; list-style: none; }
.work-lane li { padding: 15px 0; border-top: 1px solid var(--line); color: var(--slate); font-size: var(--type-reading); line-height: 1.65; }
.work-lane li:last-child { border-bottom: 1px solid var(--line); }
.signal-grid { grid-column: 2; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.signal-grid > div { padding: 17px; border-radius: 12px; background: var(--surface); }
.signal-grid span { display: block; color: var(--slate); font-size: var(--type-metadata); }
.signal-grid strong { display: block; margin-top: 12px; color: var(--purple); font-size: 1.75rem; letter-spacing: -.04em; }
.resolved-section { background: #faf9fd; }
.resolved-list { margin-top: 38px; border-top: 4px solid var(--purple); }
.resolution-record { padding: 24px 0; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .72fr) minmax(0, .62fr) minmax(0, 1.2fr); gap: 26px; border-bottom: 1px solid var(--line); }
.resolution-record > div { min-width: 0; }
.resolution-record > div > span { display: block; margin-bottom: 9px; color: var(--muted); font-size: var(--type-label); font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.resolution-record p { margin: 0; color: var(--slate); font-size: var(--type-support); line-height: 1.62; }
.resolution-record small { display: block; margin-top: 8px; color: var(--muted); font-size: var(--type-metadata); line-height: 1.5; }
.resolution-cause a { display: block; color: var(--purple); font-size: var(--type-metadata); font-weight: 700; text-decoration: none; }
.resolution-cause strong { display: block; margin-top: 9px; font-size: .95rem; line-height: 1.5; }
.resolution-cause a:hover { color: var(--purple-deep); }
.decisions-section { background: var(--ink); color: white; }
.decisions-section .section-label p, .decisions-section .section-intro { color: #9ca9bc; }
.decision-list { margin: 50px 0 0; padding: 0; list-style: none; border-top: 1px solid #344054; }
.decision-list li { padding: 24px 0; display: grid; grid-template-columns: 150px minmax(280px, 1fr) 110px; gap: 28px; align-items: start; border-bottom: 1px solid #344054; }
.decision-list > li > span { color: #cdbdf4; font-size: var(--type-label); font-weight: 700; text-transform: uppercase; }
.decision-list p { margin: 0; color: #edf0f5; font-size: var(--type-reading); line-height: 1.65; }
.decision-list small { display: block; margin-top: 10px; color: #b0bbca; font-size: var(--type-metadata); line-height: 1.5; }
.decision-list > li > strong { color: white; font-size: var(--type-support); text-align: right; }
.appendix-section { background: #faf9fd; }
.source-list { margin: 42px 0 0; padding: 0; list-style: none; }
.source-list li { padding: 18px 0; display: grid; grid-template-columns: 160px 1fr; gap: 28px; border-top: 1px solid var(--line); }
.source-list li:last-child { border-bottom: 1px solid var(--line); }
.source-list strong { font-size: var(--type-support); }
.source-list span { color: var(--slate); font-size: var(--type-support); line-height: 1.62; }
.provenance-heading { margin: 42px 0 0; color: var(--purple); font-size: var(--type-label); text-transform: uppercase; letter-spacing: .04em; }
.review-list { margin-top: 18px; }
.verified { margin: 24px 0 0; color: var(--muted); font-size: var(--type-metadata); }

/* Human presentation of the machine-readable contract */
.llms-page { background: var(--white); }
.llms-shell { width: min(var(--max), calc(100% - 56px)); margin: 0 auto; }
.llms-opening { min-height: 590px; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(330px, .65fr); border-bottom: 1px solid var(--line); }
.llms-title-block { padding: 108px clamp(48px, 7vw, 92px) 92px 0; display: flex; flex-direction: column; justify-content: center; }
.llms-title-block h1 { max-width: 800px; margin: 20px 0 26px; font-size: clamp(3.4rem, 6vw, 6rem); font-weight: 770; letter-spacing: -.04em; line-height: .96; text-wrap: balance; }
.llms-title-block > p:last-child { max-width: 66ch; margin: 0; color: var(--slate); font-size: 1rem; line-height: 1.7; }
.llms-raw-panel { padding: clamp(42px, 5vw, 64px); display: flex; flex-direction: column; justify-content: flex-end; background: var(--purple); color: var(--white); }
.llms-raw-panel > span { margin-bottom: auto; color: #d8ccf8; font-size: .62rem; font-weight: 700; letter-spacing: .07em; }
.llms-raw-panel > strong { font-size: clamp(2rem, 3.3vw, 3.2rem); font-weight: 720; letter-spacing: -.035em; line-height: 1.04; }
.llms-raw-panel p { margin: 24px 0 32px; color: #e9e2fb; font-size: .78rem; line-height: 1.65; }
.llms-raw-panel a { padding-top: 18px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.35); color: var(--white); font-size: .72rem; font-weight: 700; text-decoration: none; }
.llms-raw-panel a:hover span { transform: translateX(4px); }
.llms-raw-panel a span { transition: transform .16s ease; }
.llms-contract { padding: 100px 0; display: grid; grid-template-columns: minmax(220px, .7fr) minmax(0, 1.3fr); gap: clamp(48px, 8vw, 100px); }
.llms-contract header h2, .llms-catalog h2 { margin: 18px 0 0; font-size: clamp(2.2rem, 4vw, 4rem); font-weight: 760; letter-spacing: -.04em; line-height: 1.02; text-wrap: balance; }
.llms-rule-list { border-top: 4px solid var(--purple); }
.llms-rule { min-height: 84px; padding: 22px 0; display: grid; grid-template-columns: 165px minmax(0, 1fr); gap: 28px; align-items: start; border-bottom: 1px solid var(--line); }
.llms-rule > span { color: var(--purple); font-size: .62rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.llms-rule p, .llms-rule code { margin: 0; color: var(--slate); font-size: .76rem; line-height: 1.6; overflow-wrap: anywhere; }
.llms-rule code { color: var(--ink); }
.llms-catalog { padding: 76px 0 112px; border-top: 4px solid var(--purple); }
.llms-catalog > header { min-height: 150px; display: flex; align-items: flex-start; justify-content: space-between; gap: 40px; }
.llms-catalog > header small { margin-top: 9px; color: var(--muted); font-size: .68rem; }
.llms-artifact-list { border-top: 1px solid var(--line); }
.llms-artifact-row { min-height: 104px; padding: 22px 0; display: grid; grid-template-columns: minmax(260px, 1fr) minmax(220px, 1fr) 90px 24px; gap: 28px; align-items: center; border-bottom: 1px solid var(--line); text-decoration: none; transition: color .16s ease, transform .16s ease; }
.llms-artifact-row:hover { color: var(--purple-deep); transform: translateX(4px); }
.llms-artifact-row > code { color: var(--slate); font-size: .65rem; overflow-wrap: anywhere; }
.llms-artifact-title { display: flex; flex-direction: column; gap: 8px; }
.llms-artifact-title strong { font-size: .84rem; line-height: 1.4; }
.llms-artifact-title small, .llms-review-count { color: var(--muted); font-size: .62rem; }
.llms-review-count { color: var(--purple-deep); font-weight: 700; }
.llms-artifact-row > span:last-child { color: var(--purple); }

.not-found { min-height: calc(100vh - 146px); padding: 13vh max(28px, calc((100vw - 860px) / 2)); }
.not-found > span { color: var(--purple); font-size: .72rem; font-weight: 700; }
.not-found h1 { max-width: 730px; margin: 24px 0; font-size: clamp(3rem, 7vw, 6rem); line-height: .95; letter-spacing: -.06em; }
.not-found p { color: var(--slate); }
.primary-link { display: inline-block; margin-top: 28px; padding: 14px 18px; border-radius: 10px; background: var(--purple); color: white; font-size: .75rem; font-weight: 700; text-decoration: none; }

@media (max-width: 1040px) {
  .login-shell { grid-template-columns: 1fr 1fr; }
  .login-thesis h1 { font-size: clamp(3rem, 6vw, 4.8rem); }
  .document { grid-template-columns: 190px minmax(0, 1fr); }
  .document-rail { padding: 36px 25px; }
  .document-hero { min-height: auto; }
  .hero-decision-layout { grid-template-columns: 1fr; }
  .decision-panel { min-height: 480px; }
  .document-section { grid-template-columns: 110px minmax(0, 1fr); gap: 34px; }
  .finding { grid-template-columns: 32px minmax(0, 1fr); gap: 18px; }
  .finding p { grid-column: 2; }
  .evidence-observation { grid-template-columns: 120px 1fr 1fr; }
  .evidence-observation > div:last-child { grid-column: 2 / -1; }
  .measurement-contract { grid-template-columns: 110px 1fr; }
  .measurement-contract dl { grid-template-columns: 1fr; }
  .resolution-record { grid-template-columns: 1fr 1fr; }
  .decision-list li { grid-template-columns: 120px minmax(220px, 1fr); }
  .decision-list > li > strong { grid-column: 2; text-align: left; }
  .llms-opening { grid-template-columns: minmax(0, 1.15fr) minmax(310px, .85fr); }
  .llms-contract { grid-template-columns: 200px minmax(0, 1fr); }
  .llms-artifact-row { grid-template-columns: minmax(220px, 1fr) minmax(190px, 1fr) 82px 20px; gap: 20px; }
}

@media (max-width: 780px) {
  .app-header { min-height: 66px; padding: 0 18px; }
  .user-menu > span { display: none; }
  .login-shell { grid-template-columns: 1fr; }
  .login-brand { min-height: 56vh; padding: 30px; }
  .login-thesis { padding: 80px 0 40px; }
  .login-thesis h1 { font-size: clamp(3rem, 13vw, 5.3rem); }
  .login-action { min-height: 44vh; padding: 54px 28px; }
  .login-index { margin-bottom: 48px; }
  .library { width: min(100% - 36px, var(--max)); padding: 58px 0 78px; }
  .library-intro { grid-template-columns: 1fr; gap: 30px; }
  .library-intro h1 { font-size: clamp(3rem, 13vw, 5rem); }
  .library-register { margin-top: 56px; }
  .artifact-row { padding: 24px 0; grid-template-columns: 34px 1fr 20px; gap: 16px; }
  .artifact-date, .artifact-record-meta { grid-column: 2; }
  .artifact-name { grid-column: 2; grid-row: 1; }
  .artifact-number { grid-row: 1; }
  .artifact-arrow { grid-column: 3; grid-row: 1; }
  .artifact-row:hover { transform: translateX(3px); }
  .authoring-note { grid-template-columns: 1fr; gap: 12px; }
  .document { display: block; }
  .document-rail { min-height: auto; padding: 20px 18px; position: static; display: flex; align-items: center; gap: 18px; }
  .rail-date, .document-rail nav { display: none; }
  .document-hero { min-height: auto; padding: 48px 22px 48px; background: white; }
  .document-meta { align-items: flex-start; }
  .document-meta-facts { align-items: flex-end; flex-direction: column; gap: 6px; }
  .document-review-count { padding-left: 0; border-left: 0; }
  .hero-decision-layout { margin-top: 36px; gap: 38px; }
  .hero-copy { padding: 0; }
  .status-pill { margin-top: 0; }
  .document-hero h1 { font-size: clamp(2.8rem, 12vw, 4.8rem); }
  .document-audience { grid-template-columns: 42px 1fr; }
  .decision-panel { min-height: auto; padding: 32px 28px; }
  .decision-panel h2 { font-size: clamp(1.9rem, 8vw, 2.8rem); }
  .decision-recommendation, .decision-guardrail { grid-template-columns: 1fr; gap: 10px; }
  .decision-panel dl { margin-top: 38px; grid-template-columns: 1fr; gap: 18px; }
  .decision-panel dl div { padding-top: 14px; border-top: 1px solid #344054; }
  .intent-split { grid-template-columns: 1fr; gap: 22px; }
  .document-section { padding: 72px 22px; grid-template-columns: 1fr; gap: 24px; }
  .section-label { display: flex; gap: 12px; align-items: baseline; }
  .section-label p { margin: 0; }
  .finding { grid-template-columns: 32px 1fr; gap: 18px; }
  .finding p { grid-column: 2; }
  .position, .boundary-note, .evidence-note { grid-template-columns: 1fr; gap: 12px; }
  .evidence-observation { grid-template-columns: 1fr; gap: 18px; }
  .evidence-observation > div:last-child { grid-column: auto; }
  .measurement-contract { grid-template-columns: 1fr; gap: 16px; }
  .measurement-contract dl { grid-template-columns: 1fr; }
  .measurement-contract dl div { grid-template-columns: 1fr; gap: 7px; }
  .secondary-signals { grid-template-columns: 1fr; }
  .work-lane { grid-template-columns: 1fr; gap: 22px; }
  .signal-grid { grid-column: auto; }
  .resolution-record { grid-template-columns: 1fr; gap: 22px; padding: 26px 0; }
  .decision-list li, .source-list li { grid-template-columns: 1fr; gap: 12px; }
  .decision-list > li > strong { grid-column: auto; text-align: left; }
  .llms-shell { width: min(100% - 36px, var(--max)); }
  .llms-opening { min-height: auto; grid-template-columns: 1fr; }
  .llms-title-block { padding: 72px 0 64px; }
  .llms-title-block h1 { font-size: clamp(3rem, 13vw, 5rem); }
  .llms-raw-panel { min-height: 360px; padding: 36px 30px; }
  .llms-contract { padding: 76px 0; grid-template-columns: 1fr; gap: 42px; }
  .llms-rule { grid-template-columns: 125px minmax(0, 1fr); gap: 20px; }
  .llms-catalog { padding: 64px 0 84px; }
  .llms-catalog > header { min-height: 130px; }
  .llms-artifact-row { grid-template-columns: minmax(0, 1fr) 20px; gap: 10px 16px; }
  .llms-artifact-row > code, .llms-artifact-title, .llms-review-count { grid-column: 1; }
  .llms-artifact-row > span:last-child { grid-column: 2; grid-row: 1; }
  .app-footer { padding: 0 18px; }
  .app-footer span:last-child { display: none; }
}

@media (max-width: 480px) {
  .brand-lockup img { width: 70px; }
  .register-header { align-items: stretch; flex-direction: column; }
  .artifact-search { width: 100%; }
  .signal-grid { grid-template-columns: 1fr; }
  .secondary-signal { grid-template-columns: 90px 1fr; }
  .llms-rule { grid-template-columns: 1fr; gap: 8px; }
  .llms-catalog > header { align-items: flex-start; flex-direction: column; gap: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

@media print {
  .app-header, .app-footer, .document-rail { display: none; }
  body, .document, .document-hero, .resolved-section, .appendix-section { background: white; }
  .document { display: block; }
  .document-section, .document-hero { padding: 36px 0; break-inside: avoid; }
  .decision-panel, .decisions-section { background: white; color: var(--ink); border: 1px solid var(--line); }
  .decision-panel h2, .decision-recommendation p, .decision-list p { color: var(--ink); }
}