/* whatisthe.churchofconceptualart.org — design system.
   Editorial black & white + CoCA red, after unsubscribe.llc.
   Playfair Display (serif) + Space Mono (mono). */

:root {
  --bg: #F2F2F2;
  --ink: #0F0F0F;
  --paper: #FFFFFF;
  --red: #F40009;          /* red — the single accent */
  --muted: #6B6B6B;
  --faint: #9A9A9A;
  --line: #0F0F0F;
  --hair: rgba(15, 15, 15, 0.18);
  --serif: "Playfair Display", Georgia, serif;
  --mono: "Space Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --measure: 64ch;
  --grid: 1px solid var(--line);
}

/* —— defensive resets (mobile-width discipline; never overflow-x:hidden body) —— */
*, *::before, *::after { box-sizing: border-box; }
img, video, iframe, svg, canvas { max-width: 100%; height: auto; }
pre, code { overflow-x: auto; max-width: 100%; }
table { display: block; max-width: 100%; overflow-x: auto; }
p, h1, h2, h3, h4, h5, h6, li, blockquote, figcaption, a, dd, dt { overflow-wrap: anywhere; }
.row > * { min-width: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  font-size: clamp(0.92rem, 0.86rem + 0.3vw, 1rem);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  cursor: crosshair;
}
::selection { background: var(--ink); color: var(--bg); }

.page {
  max-width: 940px;
  margin: 0 auto;
  padding: clamp(2rem, 1.5rem + 3vw, 4.5rem) clamp(1.1rem, 0.8rem + 2vw, 2rem) 5rem;
  position: relative;
}
.measure { max-width: var(--measure); }

a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--hair); transition: color 0.15s, border-color 0.15s; }
a:hover { color: var(--red); border-color: var(--red); }

/* —— micro-labels —— */
.eyebrow, .k {
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1rem;
}
.eyebrow .mark { color: var(--red); }

/* —— headings —— */
h1.title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.7rem, 1.9rem + 5.5vw, 6rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  margin: 0 0 1.1rem;
}
h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.7rem, 1.35rem + 1.6vw, 2.6rem);
  line-height: 1.12;
  margin: 3.2rem 0 1rem;
  padding-top: 1.6rem;
  border-top: var(--grid);
}
h3 { font-family: var(--serif); font-weight: 700; font-size: 1.3rem; margin: 2rem 0 0.5rem; }
.lede { font-family: var(--serif); font-size: clamp(1.25rem, 1.05rem + 0.9vw, 1.7rem); line-height: 1.35; font-style: italic; color: var(--ink); }
hr { border: 0; border-top: var(--grid); margin: 3rem 0; }
strong { font-weight: 700; }

/* —— header / nav (injected by nav.js) —— */
.coca-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1.4rem;
  padding: 0.85rem clamp(1.1rem, 0.8rem + 2vw, 2rem);
  background: rgba(242, 242, 242, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: var(--grid);
}
.coca-brand { display: flex; align-items: center; gap: 0.7rem; border: 0; }
.coca-brand .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--red); flex: none; animation: pulse 2.2s ease-in-out infinite; }
.coca-brand img { width: clamp(40px, 4vw, 52px); height: clamp(40px, 4vw, 52px); display: block; }
.coca-brand .name { font-family: var(--mono); font-size: 0.66rem; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink); white-space: nowrap; }
.coca-nav { display: flex; flex-wrap: wrap; gap: 0.3rem 1.1rem; margin-left: auto; }
.coca-nav a { font-family: var(--mono); font-size: 0.6rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); border: 0; }
.coca-nav a:hover { color: var(--red); }
.coca-nav a[aria-current="page"] { color: var(--ink); box-shadow: 0 2px 0 var(--red); }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.25; } }

/* —— content conventions —— */
blockquote.scripture {
  border-left: 3px solid var(--red);
  padding: 0.1rem 0 0.1rem 1.3rem;
  margin: 1.6rem 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.18rem;
  line-height: 1.4;
}
blockquote.scripture .source {
  display: block;
  font: 700 0.64rem/1.5 var(--mono);
  letter-spacing: 0.12em;
  color: var(--red);
  font-style: normal;
  margin-top: 0.7rem;
  text-transform: uppercase;
}
.gloss { color: var(--muted); }
a.term { color: var(--ink); border-bottom: 1px dotted var(--red); }
a.term:hover { color: var(--red); border-bottom-style: solid; }

/* —— doors / cards —— */
.doors { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 0; margin: 2.5rem 0; border: var(--grid); }
.door { display: block; border: 0; border-right: var(--grid); border-bottom: var(--grid); background: var(--paper); padding: 1.6rem; transition: background 0.25s, color 0.25s; }
.door:last-child { border-right: 0; }
.door:hover { background: var(--ink); color: var(--bg); }
.door:hover .k { color: var(--red); }
.door:hover p { color: rgba(242,242,242,0.7); }
.door .k { margin: 0; }
.door h3 { margin: 0.7rem 0 0.4rem; }
.door p { margin: 0; color: var(--muted); font-size: 0.85rem; line-height: 1.55; }
@media (max-width: 620px) {
  .doors { grid-template-columns: 1fr; }
  .door { border-right: 0; }
}

/* —— buttons —— */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font: 700 0.64rem var(--mono); letter-spacing: 0.2em; text-transform: uppercase;
  background: var(--ink); color: var(--bg); border: var(--grid);
  padding: 0.8rem 1.4rem; cursor: pointer; transition: background 0.25s, color 0.25s;
}
.btn:hover { background: var(--bg); color: var(--ink); }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--bg); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.block { display: inline-flex; }

/* —— hero logo —— */
.hero-logo { width: clamp(64px, 14vw, 110px); height: auto; margin-bottom: 1.5rem; }

/* —— concept map (d3) —— */
.concept-map { border: var(--grid); background: var(--paper); margin: 2.5rem 0; position: relative; }
.concept-map .cm-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding: 0.8rem 1rem; border-bottom: var(--grid); flex-wrap: wrap; }
.concept-map .cm-head .k { margin: 0; }
.concept-map figure { margin: 0; }
.concept-map svg { display: block; width: 100%; height: auto; }
.cm-node circle { fill: var(--ink); transition: fill 0.2s; }
.cm-node text { font: 700 9px var(--mono); letter-spacing: 0.04em; text-transform: uppercase; fill: var(--ink); pointer-events: none; }
.cm-link { stroke: var(--faint); stroke-width: 0.7; stroke-opacity: 0.5; }
/* doctrine concepts read as outlined; thinkers are small dots, labelled on focus */
.cm-node.kind-concept circle { fill: var(--paper); stroke: var(--ink); stroke-width: 1.4; }
/* only operational terms keep permanent labels; concepts + thinkers label on focus */
.cm-node.kind-thinker text { display: none; font-size: 8px; }
.cm-node.kind-concept text { display: none; }
.cm-node.kind-thinker.is-focus text, .cm-node.kind-thinker.is-neighbor text,
.cm-node.kind-concept.is-focus text, .cm-node.kind-concept.is-neighbor text { display: block; }
.cm-node.is-focus circle, .cm-node.is-neighbor circle { fill: var(--red); stroke: var(--red); }
.cm-node.is-focus text, .cm-node.is-neighbor text { fill: var(--red); }
.cm-link.is-active { stroke: var(--red); stroke-width: 1.4; stroke-opacity: 1; }
.cm-dim { opacity: 0.12; }
.cm-node { cursor: pointer; }
/* zoom/pan controls — sit over the map, bottom-right inside the figure */
.cm-zoom { position: absolute; right: 0.6rem; bottom: 0.6rem; display: flex; flex-direction: column; gap: 0.3rem; z-index: 2; }
.cm-zoom-btn {
  width: 2rem; height: 2rem; padding: 0; line-height: 1;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--paper); border: var(--grid); color: var(--ink);
  font: 700 0.95rem var(--mono); cursor: pointer; transition: color 0.15s, border-color 0.15s;
}
.cm-zoom-btn:hover, .cm-zoom-btn:focus-visible { color: var(--red); border-color: var(--red); outline: none; }

/* —— lexicon —— */
.lex-search { width: 100%; background: var(--paper); border: var(--grid); color: var(--ink); font: 0.85rem var(--mono); padding: 0.75rem 0.9rem; margin: 1.5rem 0 0.5rem; }
.lex-search:focus { outline: none; border-color: var(--red); }
article.entry { border-top: var(--grid); padding: 1.4rem 0; }
article.entry[hidden] { display: none; }
.entry-name { margin: 0; font-family: var(--serif); font-size: 1.35rem; font-weight: 700; }
.entry-name .dates { color: var(--muted); font-weight: 400; font-size: 0.85rem; }
.entry-concept { margin: 0.2rem 0 0.6rem; font: 700 0.62rem var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--red); }
.entry-concept em { font-style: normal; }
.entry-concept .concept-sub { color: var(--muted); }
.entry-body { margin: 0; color: var(--ink); }
.entry-body code { font: 0.85em var(--mono); color: var(--red); }

/* —— the Oracle —— */
.oracle-shell { display: flex; flex-direction: column; gap: 1rem; margin-top: 2rem; border: var(--grid); background: var(--paper); padding: 1.2rem; }
.oracle-log { display: flex; flex-direction: column; gap: 1rem; min-height: 28vh; }
.oracle-msg { max-width: 100%; overflow-wrap: anywhere; }
.oracle-msg .who { font: 700 0.58rem var(--mono); letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); display: block; margin-bottom: 0.35rem; }
.oracle-msg.oracle .who { color: var(--red); }
.oracle-msg.user .body { color: var(--muted); }
.oracle-msg.oracle .body { border-left: 2px solid var(--red); padding-left: 1rem; }
.oracle-msg .body p { margin: 0 0 0.6rem; }
.oracle-form { display: flex; gap: 0.6rem; border-top: var(--grid); padding-top: 1rem; flex-wrap: wrap; }
.oracle-input { flex: 1 1 12rem; min-width: 0; background: var(--bg); border: var(--grid); color: var(--ink); font: 0.95rem var(--mono); padding: 0.7rem 0.9rem; resize: vertical; }
.oracle-input:focus { outline: none; border-color: var(--red); }
.oracle-note { font: 0.62rem var(--mono); color: var(--muted); letter-spacing: 0.06em; }

/* —— marquee (in footer) —— */
.marquee { overflow: hidden; white-space: nowrap; display: flex; border-top: var(--grid); border-bottom: var(--grid); }
.marquee-track { display: inline-block; animation: marquee 28s linear infinite; padding-right: 1.5rem; font: 700 0.66rem var(--mono); letter-spacing: 0.3em; text-transform: uppercase; }
.marquee-track .mark { color: var(--red); }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-100%); } }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; } .coca-brand .dot { animation: none; } }

/* —— footer (inverted, injected) —— */
.coca-footer { background: var(--ink); color: var(--bg); margin-top: 5rem; }
.coca-footer .inner { padding: 2.6rem clamp(1.1rem, 0.8rem + 2vw, 2rem); }
.coca-footer .sitemap { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1.6rem; margin-bottom: 1.8rem; padding-top: 1.2rem; border-top: 1px solid rgba(242,242,242,0.2); }
.coca-footer .fcol { display: flex; flex-direction: column; gap: 0.4rem; }
.coca-footer .fcol-h { font: 700 0.58rem var(--mono); letter-spacing: 0.22em; text-transform: uppercase; color: var(--red); margin: 0 0 0.3rem; }
.coca-footer .fcol a { font: 0.62rem/1.3 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: rgba(242,242,242,0.6); border: 0; }
.coca-footer .fcol a:hover { color: var(--bg); }
.coca-footer .colophon { font: 0.62rem/1.8 var(--mono); color: rgba(242,242,242,0.5); letter-spacing: 0.06em; }
.coca-footer .colophon a { color: rgba(242,242,242,0.7); border-bottom-color: rgba(242,242,242,0.3); }
.coca-footer .colophon a:hover { color: var(--red); border-color: var(--red); }
.coca-footer .fmark { width: 30px; height: 30px; filter: invert(1); margin-bottom: 1.2rem; }

/* —— library (downloads) —— */
.library { border: var(--grid); margin: 2rem 0; }
.dl { display: flex; flex-wrap: wrap; align-items: baseline; gap: 1rem; justify-content: space-between; padding: 1.4rem 1.3rem; border-bottom: var(--grid); }
.dl:last-child { border-bottom: 0; }
.dl-meta { flex: 1 1 16rem; min-width: 0; }
.dl-meta h3 { margin: 0 0 0.3rem; }
.dl-meta p { margin: 0; color: var(--muted); font-size: 0.82rem; line-height: 1.55; }
.dl-meta .fmt { font: 700 0.56rem var(--mono); letter-spacing: 0.18em; text-transform: uppercase; color: var(--faint); margin-top: 0.5rem; }
.dl-links { display: flex; align-items: center; gap: 1rem; flex: none; }
.dl-md { font: 700 0.6rem var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); border: 0; }
.dl-md:hover { color: var(--red); }

/* —— public Chronicle —— */
.chronicle-entry { border-top: var(--grid); padding: 2rem 0; }
.chronicle-entry .feat { display: inline-block; font: 700 0.56rem var(--mono); letter-spacing: 0.2em; text-transform: uppercase; color: var(--bg); background: var(--red); padding: 0.2rem 0.5rem; margin-bottom: 0.8rem; }
.chronicle-entry h2 { border-top: 0; padding-top: 0; margin-top: 0; }

/* —— admin —— */
.admin-card { border: var(--grid); background: var(--paper); padding: 1.2rem; margin: 1.2rem 0; }
.admin-row { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; }
.admin-input, .admin-area { background: var(--bg); border: var(--grid); color: var(--ink); font: 0.85rem var(--mono); padding: 0.55rem 0.7rem; }
.admin-input { flex: 1 1 12rem; min-width: 0; }
.admin-area { width: 100%; resize: vertical; }
.admin-meta { font: 0.6rem var(--mono); letter-spacing: 0.08em; color: var(--muted); text-transform: uppercase; }
.admin-tabs { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 1rem 0; }
.admin-tab { font: 700 0.6rem var(--mono); letter-spacing: 0.14em; text-transform: uppercase; border: var(--grid); background: transparent; color: var(--ink); padding: 0.4rem 0.8rem; cursor: pointer; }
.admin-tab.on { background: var(--ink); color: var(--bg); }
.admin-transcript { border-left: 2px solid var(--red); padding-left: 0.9rem; margin: 0.8rem 0; }
.admin-transcript .who { font: 700 0.56rem var(--mono); letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
.admin-transcript .who.o { color: var(--red); }
.admin-transcript p { margin: 0.15rem 0 0.7rem; }
.badge { font: 700 0.54rem var(--mono); letter-spacing: 0.12em; text-transform: uppercase; padding: 0.15rem 0.45rem; border: var(--grid); }
.badge.pub { background: var(--ink); color: var(--bg); }
.badge.star { color: var(--red); border-color: var(--red); }

/* —— utility —— */
.next-step { margin-top: 2.5rem; font-family: var(--serif); font-style: italic; font-size: 1.15rem; color: var(--ink); }
.next-step a { font-style: normal; }
ul.plain { list-style: none; padding: 0; }
ul.plain li { border-top: var(--grid); padding: 0.8rem 0; }
.kbd { font: 0.85em var(--mono); color: var(--red); }