/* ============================================================
   THE CODEX — Pokémon TCG sets archive
   ------------------------------------------------------------
   Clean, modern editorial. System sans for body, Instrument
   Serif italic for editorial flourishes (era titles + lede),
   JetBrains Mono for folio/date stamps. White paper, navy ink.
   ============================================================ */

/* ---------- Design tokens ---------- */
.codex {
  --paper: #ffffff;
  --paper-soft: #f7f7f9;
  --paper-edge: #f2f2f5;
  --ink: #0e1430;
  --ink-soft: rgba(14, 20, 48, 0.62);
  --ink-faint: rgba(14, 20, 48, 0.4);
  --rule: rgba(14, 20, 48, 0.1);
  --rule-strong: rgba(14, 20, 48, 0.18);
  --accent: #1F2258;
  --accent-warm: #C3401A;
  --plate: #0e1430;
  --plate-fg: #ffffff;

  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;

  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px 96px;
}

/* Body background — pure white, same as the rest of the site. */
body:has(.codex) {
  background: var(--paper);
  color: var(--ink);
}

/* Editorial display family — used for era titles + lede only. */
.codex .serif {
  font-family: 'Instrument Serif', 'Iowan Old Style', Georgia, serif;
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.005em;
}

.codex .mono {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-feature-settings: 'tnum' 1;
}

/* ============================================================
   MASTHEAD
   ============================================================ */
.codex-masthead {
  padding: 80px 0 56px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 48px;
  position: relative;
}

.codex-vol {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 24px;
}

.codex-title {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
  font-weight: 800;
  font-size: clamp(48px, 9vw, 104px);
  line-height: 0.95;
  letter-spacing: -0.035em;
  margin: 0 0 28px;
  color: var(--ink);
  max-width: 14ch;
}
.codex-title em {
  font-family: 'Instrument Serif', 'Iowan Old Style', Georgia, serif;
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.codex-lede {
  max-width: 56ch;
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0 0 40px;
}

.codex-stats {
  display: flex;
  gap: 56px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
}
.codex-stats > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.codex-stats .num {
  font-weight: 700;
  font-size: 28px;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1;
}
.codex-stats .label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ============================================================
   STICKY CONTROLS — search + era jump links
   ============================================================ */
.codex-controls {
  position: sticky;
  top: 0;
  z-index: 12;
  background: var(--paper);
  backdrop-filter: saturate(180%) blur(8px);
  padding: 16px 0;
  margin-bottom: 56px;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  align-items: center;
}

.codex-search {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.codex-search > span {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.codex-search input {
  appearance: none;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  padding: 6px 0;
  border-bottom: 1.5px solid var(--ink);
  outline: none;
  width: 100%;
}
.codex-search input::placeholder {
  color: var(--ink-faint);
}
.codex-search input:focus {
  border-bottom-color: var(--accent-warm);
}

.codex-eras {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 4px;
  justify-content: flex-end;
}
.codex-eras a {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--rule);
  transition: all 0.15s ease;
  white-space: nowrap;
}
.codex-eras a:hover {
  color: var(--ink);
  border-color: var(--ink);
  background: var(--ink);
  color: var(--plate-fg);
}

/* ============================================================
   FEATURED CHAPTER — top era ("Now releasing")
   ============================================================ */
.codex-feature {
  padding: 56px 0 80px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 64px;
  position: relative;
}

.codex-feature-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule);
}
.codex-feature-meta strong {
  font-weight: 600;
  color: var(--accent-warm);
}

.codex-feature-title {
  font-family: 'Instrument Serif', 'Iowan Old Style', Georgia, serif;
  font-style: italic;
  font-weight: 400;
  font-size: clamp(56px, 8vw, 96px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
  color: var(--ink);
}

.codex-feature-dek {
  max-width: 56ch;
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0 0 12px;
}

.codex-feature-stats {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0;
}

.codex-feature[data-count="1"] .codex-feature-grid,
.codex-feature[data-count="2"] .codex-feature-grid,
.codex-feature[data-count="3"] .codex-feature-grid {
  grid-template-columns: repeat(auto-fill, 240px);
}

.codex-feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 28px 24px;
  margin-top: 40px;
}

/* ============================================================
   ERA CHAPTERS — newest → oldest
   ============================================================ */
.codex-chapter {
  padding: 64px 0;
  position: relative;
}
.codex-chapter + .codex-chapter {
  border-top: 1px solid var(--rule);
}

/* Drop the big ghost year — too much visual noise on narrow eras */
.codex-chapter-year-ghost {
  display: none;
}

.codex-chapter-folio {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 16px;
}
.codex-chapter-folio strong {
  color: var(--ink);
  font-weight: 600;
}

.codex-chapter-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin: 0 0 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule);
}
.codex-chapter-title {
  font-family: 'Instrument Serif', 'Iowan Old Style', Georgia, serif;
  font-style: italic;
  font-weight: 400;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--ink);
}
.codex-chapter-stats {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin: 0;
  white-space: nowrap;
}

.codex-chapter-dek {
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: -8px 0 28px;
}

.codex-chapter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px 20px;
  margin-top: 24px;
}

/* When the chapter has only 1-3 sets, keep the tiles from
   stretching across the whole row — cap card width. */
.codex-chapter[data-count="1"] .codex-chapter-grid,
.codex-chapter[data-count="2"] .codex-chapter-grid,
.codex-chapter[data-count="3"] .codex-chapter-grid {
  grid-template-columns: repeat(auto-fill, 220px);
}

/* Hide chapters whose tiles are all filtered out */
.codex-chapter[data-empty="true"],
.codex-feature[data-empty="true"],
.codex-archive[data-empty="true"] {
  display: none;
}

/* ============================================================
   SET TILE — used in feature + chapters
   ============================================================ */
.set-tile {
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-decoration: none;
  color: inherit;
  background: transparent;
  border-radius: 12px;
  transition: transform 0.18s ease;
}
.set-tile:hover {
  transform: translateY(-3px);
}

.set-tile-art {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: 12px;
  display: grid;
  place-items: center;
  overflow: hidden;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.set-tile:hover .set-tile-art {
  border-color: var(--ink);
  box-shadow: 0 8px 24px -12px rgba(14, 20, 48, 0.25);
  background: #fff;
}

.set-tile-art .pokeball-fallback {
  position: absolute;
  width: 40%;
  height: auto;
  opacity: 0.18;
  filter: grayscale(0.4);
}

.set-tile-art img {
  position: relative;
  max-width: 70%;
  max-height: 70%;
  object-fit: contain;
  z-index: 1;
  filter: contrast(1.05);
}

.set-tile-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 2px;
}

.set-tile-name {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.25;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.5em;
}

.set-tile-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}
.set-tile-meta time {
  font-feature-settings: 'tnum' 1;
}
.set-tile-meta .dot {
  width: 3px;
  height: 3px;
  background: var(--ink-faint);
  border-radius: 50%;
  display: inline-block;
}

/* ============================================================
   ARCHIVE — undated/uncategorized
   ============================================================ */
.codex-archive {
  padding: 80px 0 0;
  border-top: 1px solid var(--rule);
  margin-top: 64px;
}
.codex-archive-folio {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 16px;
}
.codex-archive-title {
  font-family: 'Instrument Serif', 'Iowan Old Style', Georgia, serif;
  font-style: italic;
  font-weight: 400;
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1;
  letter-spacing: -0.015em;
  margin: 0 0 16px;
  color: var(--ink);
}
.codex-archive-dek {
  max-width: 56ch;
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0 0 40px;
}

.codex-archive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0;
  border-top: 1px solid var(--rule);
}
.archive-row {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 14px 8px;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
  transition: background 0.12s ease;
}
.archive-row:hover {
  background: var(--paper-soft);
}
.archive-num {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.06em;
}
.archive-name {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
}
.archive-count {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  color: var(--ink-soft);
}

/* ============================================================
   EMPTY STATE (search) + FAQ
   ============================================================ */
.codex-empty {
  display: none;
  text-align: center;
  padding: 80px 24px;
  font-family: 'Instrument Serif', Georgia, serif;
  font-style: italic;
  font-size: 22px;
  color: var(--ink-soft);
}
.codex[data-no-results="true"] .codex-empty {
  display: block;
}

.codex-faq {
  margin-top: 96px;
  padding-top: 48px;
  border-top: 1px solid var(--rule);
}
.codex-faq h2 {
  font-family: 'Instrument Serif', 'Iowan Old Style', Georgia, serif;
  font-style: italic;
  font-weight: 400;
  font-size: 32px;
  letter-spacing: -0.015em;
  margin: 0 0 24px;
  color: var(--ink);
}
.codex-faq details {
  border-bottom: 1px solid var(--rule);
  padding: 18px 0;
}
.codex-faq summary {
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  position: relative;
  padding-right: 32px;
}
.codex-faq summary::-webkit-details-marker { display: none; }
.codex-faq summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  color: var(--ink-soft);
  transition: transform 0.2s ease;
}
.codex-faq details[open] summary::after {
  content: '−';
}
.codex-faq details p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 64ch;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 760px) {
  .codex {
    padding: 0 16px 64px;
  }
  .codex-masthead {
    padding: 48px 0 32px;
    margin-bottom: 24px;
  }
  .codex-stats {
    gap: 32px;
    padding-top: 24px;
  }
  .codex-controls {
    grid-template-columns: 1fr;
    gap: 16px;
    position: relative;
    top: auto;
  }
  .codex-eras {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    margin: 0 -16px;
    padding: 0 16px;
  }
  .codex-feature {
    padding: 40px 0 56px;
    margin-bottom: 40px;
  }
  .codex-feature-grid,
  .codex-chapter-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 20px 14px;
  }
  .codex-chapter-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .codex-archive-grid {
    grid-template-columns: 1fr;
  }
  .set-tile-name {
    font-size: 14px;
    min-height: 2.4em;
  }
  .set-tile-meta {
    font-size: 10px;
  }
}