/* Concept Maps — shared stylesheet */
:root {
  --paper: #fbf7f0;
  --ink: #2b2620;
  --ink-soft: #6b6156;
  --amber: #b8860b;
  --amber-soft: #f3e8d2;
  --line: #e5dcce;
  --card: #ffffff;
  --explicit: #3e7c4f;
  --implied: #4a6fa5;
  --synth: #8a6fb0;
  --contested: #b0684a;
  --chip-bg: #f3e8d2;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #191613;
    --ink: #eae3d8;
    --ink-soft: #a89c8c;
    --amber: #d4a73c;
    --amber-soft: #322a1a;
    --line: #3a342c;
    --card: #211d18;
    --explicit: #4e9a63;
    --implied: #6289c2;
    --synth: #a188c9;
    --contested: #c97f5f;
    --chip-bg: #322a1a;
  }
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  background: var(--paper);
  color: var(--ink);
  font-family: "Spectral", Georgia, serif;
  font-size: 17px;
  line-height: 1.65;
}
.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

nav.top {
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 24px 0;
  display: flex;
  gap: 20px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12.5px;
}
nav.top a {
  color: var(--ink-soft);
  text-decoration: none;
}
nav.top a:hover {
  color: var(--amber);
}

header.map-head {
  padding: 56px 0;
  text-align: center;
}
.kicker {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 20px;
}
h1 {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-weight: 700;
  font-size: clamp(34px, 6vw, 52px);
  line-height: 1.12;
  margin-bottom: 24px;
}
.verse {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 20px;
  font-style: italic;
  color: var(--ink-soft);
  max-width: 620px;
  margin: 0 auto;
}
.verse cite {
  display: block;
  font-style: normal;
  font-size: 14px;
  margin-top: 12px;
  color: var(--amber);
}
.lead {
  background: var(--amber-soft);
  border-radius: 14px;
  padding: 28px 32px;
  font-size: 19px;
  line-height: 1.6;
  margin: 0 0 64px;
}
.lead strong {
  font-weight: 600;
}
h2 {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-weight: 600;
  font-size: 28px;
  margin: 64px 0 20px;
}
p {
  margin-bottom: 16px;
  color: var(--ink);
}
.muted {
  color: var(--ink-soft);
}
a.xlink {
  color: var(--amber);
  text-decoration-color: var(--line);
}

/* dependency chain */
.chain {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 24px 0 8px;
}
.chain .node {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 14.5px;
  font-weight: 500;
}
.chain .arrow {
  color: var(--amber);
  font-weight: 600;
}

/* concept graph — stacked edge rows, reflows on phones */
.graph-list {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px 0;
  margin-bottom: 8px;
}
.gedge {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
  padding: 11px 22px;
}
.gedge + .gedge {
  border-top: 1px solid var(--line);
}
.gedge.sub {
  padding-left: 46px;
}
.gedge .chip {
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  letter-spacing: 0.05em;
  color: var(--amber);
  background: var(--chip-bg);
  border-radius: 6px;
  padding: 2px 8px;
  white-space: nowrap;
}
.gedge .gc {
  font-weight: 500;
}
.gedge .gr {
  flex-basis: 100%;
  font-size: 13px;
  color: var(--ink-soft);
  font-family: "JetBrains Mono", monospace;
}

/* evidence badges */
.badge {
  display: inline-block;
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  letter-spacing: 0.06em;
  padding: 2px 9px;
  border-radius: 999px;
  color: #fff;
  vertical-align: 2px;
  margin-left: 6px;
}
.b-explicit {
  background: var(--explicit);
}
.b-implied {
  background: var(--implied);
}
.b-synth {
  background: var(--synth);
}
.b-contested {
  background: var(--contested);
}
.edge-list {
  list-style: none;
}
.edge-list li {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.edge-list li:last-child {
  border-bottom: none;
}
.edge-list .edge-name {
  font-weight: 600;
}
.edge-list .refs {
  font-size: 14px;
  color: var(--ink-soft);
}

/* study order */
ol.study {
  counter-reset: step;
  list-style: none;
  margin: 24px 0;
}
ol.study li {
  counter-increment: step;
  position: relative;
  padding: 14px 0 14px 56px;
}
ol.study li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 12px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}
ol.study .task {
  display: block;
  font-size: 15px;
  color: var(--ink);
}
ol.study .why {
  display: block;
  font-size: 14.5px;
  color: var(--ink-soft);
}
ol.study .time {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--amber);
  margin-right: 6px;
}
.session-note {
  font-size: 14.5px;
  color: var(--ink-soft);
  border: 1px dashed var(--line);
  border-radius: 10px;
  padding: 12px 18px;
  margin-bottom: 8px;
}

/* retrieval close */
.retrieval {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px 26px;
  margin: 24px 0;
}
.retrieval ol {
  margin: 8px 0 0 22px;
}
.retrieval li {
  padding: 6px 0;
}

/* open questions */
.oq {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 22px;
  margin-bottom: 14px;
}
.oq p {
  margin: 0;
}

/* cards */
.cards-section {
  background: var(--card);
  border-top: 1px solid var(--line);
  margin-top: 88px;
  padding: 72px 0 96px;
}
.cards-intro {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 48px;
}
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 28px;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}
.ccard {
  perspective: 1200px;
  aspect-ratio: 4 / 5.6;
  cursor: pointer;
}
.ccard-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}
.ccard.flipped .ccard-inner {
  transform: rotateY(180deg);
}
.face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: 0 2px 14px rgba(43, 38, 32, 0.07);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.face img {
  width: 100%;
  aspect-ratio: 4/4;
  object-fit: cover;
}
.face .ft {
  padding: 16px 18px 18px;
  text-align: center;
}
.face .ft .front-text {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-weight: 600;
  font-size: 19px;
  line-height: 1.25;
}
.face .ft .hint {
  font-size: 11.5px;
  color: var(--ink-soft);
  margin-top: 6px;
  font-family: "JetBrains Mono", monospace;
}
.face.back {
  transform: rotateY(180deg);
  justify-content: center;
  text-align: center;
  padding: 28px;
  gap: 14px;
}
.face.back .concept {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}
.face.back .back-text {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 21px;
  font-weight: 600;
  line-height: 1.35;
}
.face.back .scripture {
  font-size: 13.5px;
  color: var(--ink-soft);
}
.face.back .why {
  font-size: 14px;
  color: var(--ink);
}

footer {
  text-align: center;
  padding: 48px 24px 64px;
  font-size: 13.5px;
  color: var(--ink-soft);
}

/* library index */
a.map {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px 26px;
  text-decoration: none;
  color: var(--ink);
  margin-bottom: 16px;
  transition: box-shadow 0.2s;
}
a.map:hover {
  box-shadow: 0 4px 18px rgba(43, 38, 32, 0.09);
}
a.map .t {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 22px;
  font-weight: 600;
}
a.map .d {
  font-size: 14.5px;
  color: var(--ink-soft);
  margin-top: 4px;
}

@media (max-width: 640px) {
  header.map-head {
    padding: 40px 0;
  }
  .lead {
    padding: 22px;
    font-size: 17px;
  }
}

/* print: lay each card's front and back flat, hide interactivity */
@media print {
  nav.top,
  .face .ft .hint {
    display: none;
  }
  body {
    background: #fff;
    color: #000;
  }
  .ccard {
    perspective: none;
    aspect-ratio: auto;
    page-break-inside: avoid;
    margin-bottom: 20px;
  }
  .ccard-inner {
    transform: none !important;
    transform-style: flat;
    height: auto;
  }
  .face {
    position: static;
    backface-visibility: visible;
    transform: none;
    box-shadow: none;
  }
  .face.back {
    border-top: none;
    border-radius: 0 0 16px 16px;
  }
  .face:not(.back) {
    border-radius: 16px 16px 0 0;
  }
  .cards-grid {
    display: block;
  }
}