/* Cortexa Seed Data Room — editorial system built on the Cortexa design tokens.
   Warm paper, Tiempos Headline / Suisse Intl / Suisse Intl Mono, hairline rules. */

:root {
  --font-serif: "Tiempos Headline", Georgia, serif;
  --font-sans: "Suisse Intl", system-ui, -apple-system, sans-serif;
  --font-mono: "Suisse Intl Mono", "SF Mono", ui-monospace, monospace;

  --ink-black: #1a1815;
  --ink-dark: #2d2a26;
  --ink-body: #3d3a35;
  --ink-muted: #5c5850;
  --ink-stone: #78716c;
  --ink-faded: #8a8579;
  --ink-ghost: #b5b0a6;
  --ink-rule: #e8e5df;
  --ink-cream: #f7f5f2;
  --ink-paper: #fdfcfa;

  --gold: #c9a227;
  --emerald: #047857;
  --amber: #f59e0b;
  --rose: #be123c;
  --violet: #7c3aed;

  --sh-card: 0 1px 2px rgba(26, 24, 21, 0.03), 0 6px 20px rgba(26, 24, 21, 0.06),
    0 0 0 1px rgba(26, 24, 21, 0.05);
  --measure: 50rem;   /* index / room shell */
  --wide: 76rem;      /* doc + deck shell */
  --prose: 50rem;     /* body-text line length inside wide docs */
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.62;
  color: var(--ink-body);
  background: linear-gradient(180deg, var(--ink-cream) 0%, var(--ink-paper) 42%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--ink-black); text-decoration-color: var(--ink-ghost); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--gold); }

::selection { background: rgba(201, 162, 39, 0.22); }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---- layout shells ------------------------------------------------------ */
.wrap { max-width: var(--measure); margin: 0 auto; padding: 0 32px; }
.wrap--wide { max-width: var(--wide); }
.page { padding: 40px 0 96px; }

/* shared micro-label (mono eyebrows) */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-stone);
}

/* ---- masthead ----------------------------------------------------------- */
.mast { padding-top: 8px; }
.mast__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand img { width: 22px; height: 22px; display: block; }
.brand__word {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--ink-black);
}
.mast__flag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faded);
}
.mast__rule { height: 1px; background: var(--ink-black); margin: 18px 0 0; }
.mast__crumb {
  display: flex;
  gap: 10px;
  align-items: baseline;
  margin-top: 14px;
}
.mast__crumb .sep { color: var(--ink-ghost); }

.prepared {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  font-size: 19px;
  color: var(--ink-black);
  margin: 6px 0 0;
}
.prepared span { color: var(--ink-stone); font-style: normal; }

.lede {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(21px, 3.2vw, 27px);
  line-height: 1.4;
  color: var(--ink-dark);
  letter-spacing: -0.01em;
  margin: 30px 0 0;
  max-width: 42rem;
}

/* ---- signature: read with your AI --------------------------------------- */
.ai {
  margin: 34px 0 6px;
  border: 1px solid var(--ink-rule);
  background: var(--ink-cream);
  box-shadow: var(--sh-card);
}
.ai__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--ink-rule);
}
.ai__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.ai__label b { color: var(--gold); font-weight: 400; }
.ai__body { padding: 16px; }
.ai__prompt {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-dark);
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
}
.ai__prompt .u { color: var(--ink-black); border-bottom: 1px solid var(--ink-ghost); }
.caret {
  display: inline-block;
  width: 7px;
  height: 15px;
  margin-left: 2px;
  vertical-align: text-bottom;
  background: var(--gold);
  animation: blink 1.1s steps(1) infinite;
}
.ai__note {
  margin: 12px 0 0;
  font-size: 12.5px;
  color: var(--ink-stone);
  line-height: 1.5;
}
.copy {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  background: var(--ink-paper);
  border: 1px solid var(--ink-rule);
  padding: 6px 11px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.copy:hover { color: var(--ink-black); border-color: var(--ink-ghost); }
.copy.is-done { color: var(--emerald); border-color: rgba(4, 120, 87, 0.4); }

/* ---- document index ----------------------------------------------------- */
.idx { margin-top: 46px; }
.idx__sec + .idx__sec { margin-top: 40px; }
.idx__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink-black);
}
.idx__roman {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-faded);
}
.idx__title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-dark);
}

.row {
  display: grid;
  grid-template-columns: 46px 1fr 28px;
  align-items: baseline;
  gap: 5px 20px;
  padding: 22px 6px 22px 0;
  border-bottom: 1px solid var(--ink-rule);
  text-decoration: none;
  color: inherit;
  transition: background 0.18s ease, padding-left 0.18s ease;
}
.row:hover { background: rgba(201, 162, 39, 0.05); padding-left: 10px; }
.row__n {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-ghost);
  padding-top: 6px;
}
.row__title {
  grid-column: 2;
  grid-row: 1;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 23px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink-black);
}
.row__desc {
  grid-column: 2;
  grid-row: 2;
  font-size: 13.5px;
  color: var(--ink-muted);
}
.row__arrow {
  grid-column: 3;
  grid-row: 1 / span 2;
  justify-self: end;
  align-self: center;
  color: var(--ink-ghost);
  font-size: 17px;
  transition: transform 0.18s ease, color 0.18s ease;
}
.row:hover .row__arrow { color: var(--gold); transform: translateX(4px); }

/* pills / stamps (reused from the Cortexa design system) */
.pill {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid currentColor;
  border-radius: 2px;
  white-space: nowrap;
}
.pill--live { color: var(--emerald); background: rgba(4, 120, 87, 0.06); }

/* ---- footer ------------------------------------------------------------- */
.foot {
  margin-top: 60px;
  padding-top: 22px;
  border-top: 1px solid var(--ink-rule);
  font-size: 12.5px;
  color: var(--ink-stone);
  line-height: 1.65;
}
.foot p { margin: 0 0 8px; }
.foot b { color: var(--ink-muted); font-weight: 600; }
.foot__viewing { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; color: var(--ink-faded); margin-top: 14px; }

/* ---- doc top bar -------------------------------------------------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(253, 252, 250, 0.86);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid var(--ink-rule);
}
.topbar__in {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 11px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.back {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.back:hover { color: var(--ink-black); }
.switch {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-dark);
  background: var(--ink-paper);
  border: 1px solid var(--ink-rule);
  padding: 6px 30px 6px 12px;
  cursor: pointer;
  max-width: 60vw;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-faded) 50%),
    linear-gradient(135deg, var(--ink-faded) 50%, transparent 50%);
  background-position: right 13px center, right 8px center;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

/* ---- doc header --------------------------------------------------------- */
.dochead { padding: 40px 0 26px; border-bottom: 1px solid var(--ink-black); }
.dochead__meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.dochead__flag { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faded); }
.dochead h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(30px, 5vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink-black);
  margin: 16px 0 0;
}

/* ---- prose (rendered markdown) ------------------------------------------ */
.prose { padding-top: 30px; font-size: 16px; }
.prose > *:first-child { margin-top: 0; }
/* Wide docs: keep body text at a readable measure, let tables/figures/quotes run full width. */
.prose > p,
.prose > ul,
.prose > ol,
.prose > h2,
.prose > h3,
.prose > h4 { max-width: var(--prose); }
.prose p { margin: 0 0 18px; color: var(--ink-body); }
.prose h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 27px;
  letter-spacing: -0.01em;
  color: var(--ink-black);
  margin: 46px 0 16px;
  padding-top: 20px;
  border-top: 1px solid var(--ink-rule);
}
.prose h3 { font-family: var(--font-serif); font-weight: 500; font-size: 20px; color: var(--ink-dark); margin: 32px 0 12px; }
.prose h4 { font-family: var(--font-sans); font-weight: 600; font-size: 13px; letter-spacing: 0.04em; color: var(--ink-muted); margin: 26px 0 10px; }
.prose strong { color: var(--ink-black); font-weight: 600; }
.prose em { font-style: italic; }
.prose a { color: var(--ink-black); }
.prose ul, .prose ol { margin: 0 0 20px; padding-left: 22px; }
.prose li { margin: 0 0 8px; padding-left: 4px; }
.prose li::marker { color: var(--ink-ghost); }
.prose hr { border: 0; height: 1px; background: var(--ink-rule); margin: 40px 0; }
.prose code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--ink-cream);
  border: 1px solid var(--ink-rule);
  padding: 1px 5px;
  border-radius: 3px;
}

/* schematic figures (the ASCII diagrams) */
.schematic {
  margin: 26px 0;
  padding: 0;
  border: 1px solid var(--ink-rule);
  border-left: 2px solid var(--gold);
  background: var(--ink-cream);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
  overflow-x: auto;
}
.schematic__pre { margin: 0; padding: 20px 22px; }
.schematic code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink-dark);
  background: none;
  border: 0;
  padding: 0;
  white-space: pre;
  /* keep column alignment: no kerning/ligatures */
  font-kerning: none;
  font-variant-ligatures: none;
  font-feature-settings: normal;
  letter-spacing: 0;
  text-rendering: optimizeSpeed;
}

/* ======================================================================
   Diagrams — designed replacements for the source ASCII figures
   ====================================================================== */
.dgm {
  margin: 30px 0;
  padding: 0;
}
.dgm__cap {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-stone);
  margin-bottom: 14px;
}
.dgm__note {
  margin-top: 16px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-stone);
  max-width: 46rem;
}
.dgm__src { color: var(--ink-faded); }

/* -- rings (concentric containment) -- */
.dgm-rings .ring {
  border: 1px solid var(--ink-rule);
  border-radius: 14px;
  padding: 16px 18px;
}
.dgm-rings .ring .ring { margin-top: 14px; }
.ring--x3, .ring--x2 { border-style: dashed; border-color: var(--ink-ghost); background: transparent; }
.ring--x1 { border: 1.5px solid var(--gold); background: rgba(201, 162, 39, 0.055); }
.ring--bh { border: 1.5px solid var(--emerald); background: rgba(4, 120, 87, 0.06); }
.ring__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px 24px;
  flex-wrap: wrap;
}
.ring__label { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.ring__name {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faded);
}
.ring--x1 .ring__name { color: var(--gold); }
.ring--bh .ring__name { color: var(--emerald); }
.ring__desc { font-family: var(--font-serif); font-size: 18px; color: var(--ink-black); letter-spacing: -0.01em; }
.ring--x3 .ring__desc, .ring--x2 .ring__desc { color: var(--ink-muted); }
.ring__sub { font-size: 12.5px; color: var(--ink-stone); line-height: 1.45; }
.ring__meta { display: flex; flex-direction: column; align-items: flex-end; gap: 7px; white-space: nowrap; }
.ring__fig { font-family: var(--font-serif); font-size: 22px; color: var(--ink-black); }
.ring--x3 .ring__fig, .ring--x2 .ring__fig { color: var(--ink-muted); font-weight: 300; }
.ring__tag {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 2px;
  border: 1px solid currentColor;
}
.ring__tag--ex { color: var(--ink-faded); }
.ring__tag--tam { color: var(--gold); background: rgba(201, 162, 39, 0.08); }
.ring__tag--live { color: var(--emerald); background: rgba(4, 120, 87, 0.08); }

/* -- bars (RCM anchor + fragmentation) -- */
.dgm-bars { display: flex; flex-direction: column; gap: 16px; }
.bar-row {
  display: grid;
  grid-template-columns: minmax(140px, 240px) 1fr auto;
  align-items: center;
  gap: 20px;
}
.bar-label { display: flex; flex-direction: column; gap: 2px; }
.bar-label__t { font-family: var(--font-sans); font-weight: 600; font-size: 14px; color: var(--ink-black); }
.bar-label__s { font-size: 12px; color: var(--ink-stone); line-height: 1.4; }
.bar-track {
  height: 30px;
  background: var(--ink-cream);
  border: 1px solid var(--ink-rule);
  border-radius: 5px;
  overflow: hidden;
}
.bar-fill { display: block; height: 100%; border-radius: 4px 0 0 4px; }
.bar-fill--gold { background: linear-gradient(90deg, rgba(201, 162, 39, 0.75), var(--gold)); }
.bar-fill--emerald { background: linear-gradient(90deg, rgba(4, 120, 87, 0.7), var(--emerald)); }
.bar-value { font-family: var(--font-serif); font-size: 19px; color: var(--ink-black); min-width: 74px; text-align: right; }
.dgm-frag .bar-row { grid-template-columns: minmax(120px, 190px) 1fr auto; }

/* -- quadrant (2×2 positioning map) -- */
.dgm-quad { display: flex; flex-direction: column; }
.quad__axis {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faded);
}
.quad__axis--top { text-align: center; padding-bottom: 10px; }
.quad__axis--bottom { text-align: center; padding-top: 10px; }
.quad__mid { display: flex; align-items: stretch; gap: 8px; }
.quad__axis--y { writing-mode: vertical-rl; text-align: center; align-self: center; padding: 0 2px; }
.quad__axis--left { transform: rotate(180deg); }
.quad__grid {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--ink-rule);
  border: 1px solid var(--ink-rule);
  border-radius: 6px;
  overflow: hidden;
}
.quad__cell { background: var(--ink-paper); padding: 16px 18px; min-height: 128px; }
.quad__cell--muted { background: var(--ink-cream); }
.quad__cell--cortexa { background: rgba(4, 120, 87, 0.055); box-shadow: inset 0 0 0 1.5px var(--emerald); }
.quad__ch {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-stone);
  margin-bottom: 10px;
}
.quad__cell--cortexa .quad__ch { color: var(--emerald); }
.quad__co { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.quad__co li { font-size: 13px; color: var(--ink-body); line-height: 1.4; padding-left: 12px; position: relative; }
.quad__co li::before { content: "·"; position: absolute; left: 2px; color: var(--ink-ghost); }
.quad__cell--muted .quad__co li { color: var(--ink-muted); }
.quad__co li.is-cortexa { font-family: var(--font-serif); font-size: 15px; color: var(--emerald); font-weight: 500; }
.quad__co li.is-cortexa::before { content: "▶"; color: var(--emerald); font-size: 9px; top: 4px; }

/* pull-quotes (verbatim client lines) */
.pull {
  margin: 26px 0;
  padding: 4px 0 4px 22px;
  border-left: 2px solid var(--gold);
}
.pull p {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 20px;
  line-height: 1.5;
  color: var(--ink-dark);
  margin: 0 0 10px;
}
.pull p em { color: var(--ink-black); }
.pull p:last-child { margin-bottom: 0; }

/* tables */
.tbl-scroll { overflow-x: auto; margin: 24px 0; border-bottom: 1px solid var(--ink-rule); }
.prose table { border-collapse: collapse; width: 100%; font-size: 14px; }
.prose thead th {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-stone);
  text-align: left;
  padding: 0 18px 10px 0;
  border-bottom: 1px solid var(--ink-black);
  white-space: nowrap;
}
.prose tbody td {
  padding: 12px 18px 12px 0;
  border-bottom: 1px solid var(--ink-rule);
  color: var(--ink-body);
  vertical-align: top;
}
.prose tbody tr:last-child td { border-bottom: 0; }
.prose tbody td strong { color: var(--ink-black); }

/* ---- deck --------------------------------------------------------------- */
.deck { padding: 34px 0 90px; }
.deck__cap { text-align: center; margin-bottom: 26px; }
.deck__slides { display: flex; flex-direction: column; gap: 22px; }
.slide {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--ink-rule);
  border-radius: 3px;
  box-shadow: var(--sh-card);
  background: var(--ink-paper);
}
.deck__empty { text-align: center; color: var(--ink-stone); padding: 60px 0; font-family: var(--font-mono); font-size: 12px; }

/* ---- notice / gate ------------------------------------------------------ */
.notice { min-height: 78vh; display: grid; place-content: center; text-align: center; padding: 40px; }
.notice img { width: 30px; height: 30px; margin: 0 auto 22px; display: block; opacity: 0.9; }
.notice h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 26px;
  color: var(--ink-black);
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.notice p { color: var(--ink-muted); font-size: 14px; margin: 0 0 6px; max-width: 30rem; }
.notice a { color: var(--ink-black); }
.notice .eyebrow { margin-bottom: 22px; }

/* ---- motion / responsive ------------------------------------------------ */
@keyframes blink { 0%, 50% { opacity: 1; } 51%, 100% { opacity: 0; } }

@media (max-width: 640px) {
  body { font-size: 15px; }
  .row { grid-template-columns: 32px 1fr; }
  .row__arrow { display: none; }
  .ai__bar { flex-direction: column; align-items: flex-start; }
  .topbar__in, .wrap { padding-left: 20px; padding-right: 20px; }
  .switch { max-width: 52vw; }

  /* diagrams stack on phones */
  .bar-row { grid-template-columns: 1fr auto; }
  .dgm-frag .bar-row { grid-template-columns: 1fr auto; }
  .bar-label { grid-column: 1 / -1; }
  .quad__grid { grid-template-columns: 1fr; }
  .quad__axis--y { writing-mode: horizontal-tb; }
  .quad__axis--left { transform: none; }
  .ring__head { flex-direction: column; }
  .ring__meta { flex-direction: row; align-items: center; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition: none !important; }
  .caret { animation: none; }
}