/* 圣经与教会年表 — parchment library, vertical timeline */
:root {
  --parchment: #efe4cc;
  --parchment-deep: #e6d7b8;
  --parchment-edge: #d9c7a0;
  --ink: #1b140c;
  --ink-soft: #3a3126;
  --ink-faint: #5c5346;
  --rule: #b08a4a;
  --rule-dim: #c4a574;
  --gold: #8c6b2f;
  --gold-bright: #c4a35a;
  --leather: #2a2118;
  --leather-edge: #1a140e;
  --wine: #6b3228;
  --sage: #5a5c42;
  --forest: #3d4a3e;
  --measure: 54em;
  --nav-w: 14.5rem;
  --lh: 1.88;
  --font-display: "Iowan Old Style", Palatino, "Palatino Linotype", "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STSong", "SimSun", Georgia, serif;
  --font-body: "Source Han Serif SC", "Noto Serif CJK SC", "Noto Serif SC", "Songti SC", "STSong", "Hiragino Mincho ProN", "Yu Mincho", "Songti TC", "SimSun", Georgia, serif;
  --font-ui: "Source Han Serif SC", "Songti SC", "STSong", Georgia, serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 1.25rem;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--parchment);
  background-image:
    radial-gradient(ellipse 120% 80% at 50% -20%, rgba(176, 138, 74, 0.09), transparent 55%),
    repeating-linear-gradient(
      180deg,
      transparent 0,
      transparent 31px,
      rgba(90, 70, 40, 0.028) 32px
    );
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: var(--lh);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: -3.5rem;
  z-index: 100;
  padding: 0.4rem 0.8rem;
  background: var(--leather);
  color: var(--parchment);
  text-decoration: none;
}
.skip:focus { top: 0.75rem; }

/* —— Header: leather binding strip —— */
.site-header {
  background: linear-gradient(180deg, #32281d 0%, var(--leather) 55%, #231c14 100%);
  color: var(--parchment);
  border-bottom: 3px solid var(--gold);
  box-shadow: 0 2px 0 var(--leather-edge), 0 8px 24px rgba(27, 20, 12, 0.18);
  position: relative;
}

.site-header::after {
  content: "";
  display: block;
  height: 7px;
  background:
    repeating-linear-gradient(
      90deg,
      var(--gold) 0 10px,
      transparent 10px 18px,
      var(--gold-bright) 18px 20px,
      transparent 20px 28px
    );
  opacity: 0.55;
}

.header-inner {
  max-width: 88rem;
  margin: 0 auto;
  padding: 1.35rem 1.5rem 1.15rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.mark {
  flex: 0 0 auto;
  width: 3.1rem;
  height: 3.1rem;
}

.mark svg { width: 100%; height: 100%; display: block; }

.brand h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.45rem, 2.4vw, 2.05rem);
  letter-spacing: 0.18em;
  margin: 0 0 0.2rem;
  line-height: 1.25;
}

.brand p {
  margin: 0;
  font-size: 0.88rem;
  letter-spacing: 0.12em;
  color: var(--gold-bright);
  opacity: 0.92;
}

.menu-toggle {
  display: none;
  margin-left: auto;
  background: transparent;
  color: var(--parchment);
  border: 1px solid var(--rule);
  padding: 0.35rem 0.7rem;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  cursor: pointer;
}
.menu-toggle:focus-visible { outline: 2px solid var(--gold-bright); outline-offset: 2px; }

/* —— Layout —— */
.frame {
  display: grid;
  grid-template-columns: var(--nav-w) minmax(0, 1fr);
  max-width: 88rem;
  margin: 0 auto;
  align-items: start;
}

/* —— Sidebar nav —— */
.toc {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  padding: 1.25rem 0.9rem 2rem 1.15rem;
  background: linear-gradient(90deg, #e9d9b4 0%, var(--parchment-deep) 100%);
  border-right: 1px solid var(--parchment-edge);
  scrollbar-width: thin;
}

.toc h2 {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--gold);
  margin: 0 0 0.65rem 0.2rem;
  font-weight: 600;
  font-family: var(--font-display);
}

.toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc a {
  display: block;
  padding: 0.32rem 0.55rem 0.32rem 0.7rem;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.88rem;
  line-height: 1.4;
  border-left: 2px solid transparent;
  border-radius: 0 2px 2px 0;
}
.toc a:hover { color: var(--ink); background: rgba(176, 138, 74, 0.12); }
.toc a:focus-visible { outline: 2px solid var(--gold); outline-offset: -2px; }
.toc a.is-active {
  color: var(--ink);
  border-left-color: var(--gold);
  background: rgba(176, 138, 74, 0.18);
  font-weight: 600;
}

/* —— Main column —— */
.main {
  min-width: 0;
  padding: 1.75rem 1.5rem 4rem;
}

.prose {
  max-width: var(--measure);
  margin: 0 auto;
}

.prose h2, .tl h2 {
  font-family: var(--font-display);
  font-size: 1.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.3;
  margin: 0 0 0.35rem;
  color: var(--ink);
}

.prose h3, .entry-card h3 {
  font-family: var(--font-display);
  font-size: 1.12rem;
  letter-spacing: 0.08em;
  margin: 0 0 0.55rem;
  color: var(--wine);
  font-weight: 600;
}

.prose p, .tl p { margin: 0 0 0.85rem; color: var(--ink); }

.prose a {
  color: var(--wine);
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
}
.prose a:hover { color: var(--gold); }

/* intro */
.plate {
  margin: 0 0 1.6rem;
  padding: 0 0 1.2rem;
  border-bottom: 1px solid var(--rule-dim);
}

.era-kicker {
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  color: var(--gold);
  margin: 0 0 0.35rem !important;
  font-family: var(--font-display);
}

.deck {
  font-size: 1.02rem;
  color: var(--ink-soft);
  margin-bottom: 0.7rem !important;
}

/* jump ticks — period labels only, no theology bands */
.jump {
  margin: 0 0 2rem;
}

.jump h2 {
  font-size: 1.15rem;
  letter-spacing: 0.14em;
}

.ticks {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  border: 1px solid var(--rule-dim);
  background: var(--parchment-deep);
  padding: 0.35rem;
}

.ticks a {
  flex: 1 1 4.2rem;
  min-width: 3.6rem;
  text-align: center;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  line-height: 1.3;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 0.4rem 0.2rem;
  border-top: 2px solid var(--gold);
  background: rgba(255, 255, 255, 0.18);
}
.ticks a:hover { background: rgba(176, 138, 74, 0.22); color: var(--ink); }

/* —— Chapter + vertical timeline —— */
.tl {
  max-width: var(--measure);
  margin: 0 auto;
}

.chapter {
  margin: 0 0 2.6rem;
  padding: 0;
}

.chapter-head {
  margin: 0 0 1.15rem;
  padding: 0.15rem 0 0.85rem;
  border-bottom: 2px solid var(--rule);
  background-image: linear-gradient(var(--gold) 1px, transparent 1px);
  background-size: 100% 7px;
  background-repeat: no-repeat;
  background-position: left bottom;
}

.era-meta {
  font-size: 0.88rem;
  color: var(--ink-faint);
  margin: 0 !important;
  line-height: 1.55;
}

.entry {
  display: grid;
  grid-template-columns: 7.6rem 1.15rem minmax(0, 1fr);
  grid-template-areas: "date rail card";
  align-items: stretch;
  margin: 0;
}

.entry-date {
  grid-area: date;
  text-align: right;
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--gold);
  line-height: 1.4;
  padding: 0.85rem 0.55rem 0 0;
}

.entry-rail {
  grid-area: rail;
  position: relative;
}

.entry-rail::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--rule-dim);
  transform: translateX(-50%);
}

.entry-rail::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 1.05rem;
  width: 0.62rem;
  height: 0.62rem;
  border: 2px solid var(--gold);
  background: var(--parchment);
  border-radius: 50%;
  transform: translate(-50%, 0);
  box-shadow: 0 0 0 3px var(--parchment);
}

.chapter .entry:first-of-type .entry-rail::before { top: 1.15rem; }
.chapter .entry:last-of-type .entry-rail::before { bottom: auto; height: 1.2rem; }

.entry-card {
  grid-area: card;
  margin: 0 0 1.05rem;
  padding: 0.85rem 1.05rem 0.95rem;
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid var(--parchment-edge);
  box-shadow: 0 1px 0 rgba(176, 138, 74, 0.12);
}

.entry-card > p:last-child { margin-bottom: 0; }

.where {
  font-size: 0.86rem;
  color: var(--ink-faint);
  margin: -0.25rem 0 0.7rem !important;
}

blockquote.verse {
  margin: 0.7rem 0 0.85rem;
  padding: 0.45rem 0 0.45rem 1rem;
  border-left: 3px solid var(--rule);
  color: var(--ink-soft);
  font-size: 0.96rem;
  font-family: var(--font-display);
}
blockquote.verse cite {
  display: block;
  margin-top: 0.3rem;
  font-style: normal;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.source {
  font-size: 0.8rem;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
  margin: 0.35rem 0 0 !important;
}

/* 人物 */
.persons {
  margin: 0.85rem 0 0.35rem;
  padding: 0.7rem 0 0;
  border-top: 1px solid var(--parchment-edge);
}

.persons-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--gold);
  margin: 0 0 0.55rem !important;
}

.person {
  margin: 0 0 0.75rem;
}
.person:last-child { margin-bottom: 0; }

.person-name {
  display: block;
  font-family: var(--font-display);
  font-size: 0.98rem;
  letter-spacing: 0.08em;
  color: var(--wine);
  font-weight: 600;
  margin: 0 0 0.15rem;
}

.person p {
  margin: 0;
  font-size: 0.94rem;
  color: var(--ink-soft);
}

/* event tables */
.events-wrap { overflow-x: auto; margin: 0.7rem 0 0.4rem; }

table.events {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  line-height: 1.5;
}
table.events th,
table.events td {
  text-align: left;
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid var(--parchment-edge);
  vertical-align: top;
}
table.events th {
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.08em;
  font-size: 0.76rem;
  border-bottom: 1px solid var(--rule);
}
table.events td:first-child {
  white-space: nowrap;
  color: var(--ink-soft);
  width: 7.2rem;
}
table.events td:last-child { color: var(--wine); width: 7rem; }

footer.colophon {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 1.5rem 0 0.5rem;
  color: var(--ink-faint);
  font-size: 0.85rem;
  border-top: 2px solid var(--rule);
}
footer.colophon p { margin: 0 0 0.6rem; }

.to-top {
  display: inline-block;
  margin-top: 0.4rem;
  color: var(--gold);
  letter-spacing: 0.12em;
  font-size: 0.8rem;
}

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

:target { scroll-margin-top: 1.25rem; }

/* —— Mobile —— */
@media (max-width: 860px) {
  .frame { grid-template-columns: 1fr; }
  .toc {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(18rem, 86vw);
    height: 100%;
    z-index: 40;
    transform: translateX(-105%);
    transition: transform 0.22s ease;
    box-shadow: 8px 0 24px rgba(0,0,0,0.2);
    background: var(--parchment-deep);
  }
  body.nav-open .toc { transform: translateX(0); }
  .menu-toggle { display: inline-block; }
  .main { padding: 1.15rem 0.9rem 3rem; }
  body.nav-open::before {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(27, 20, 12, 0.35);
    z-index: 30;
  }
}

@media (max-width: 700px) {
  .entry {
    grid-template-columns: 0.95rem minmax(0, 1fr);
    grid-template-areas:
      "rail date"
      "rail card";
  }
  .entry-date {
    text-align: left;
    padding: 0.15rem 0 0.2rem 0.55rem;
    font-size: 0.8rem;
  }
  .entry-card { margin-bottom: 1.15rem; padding: 0.75rem 0.8rem 0.85rem; }
  .entry-rail::after { top: 0.35rem; }
  .chapter .entry:first-of-type .entry-rail::before { top: 0.5rem; }
  table.events td:first-child { white-space: normal; width: auto; }
}

@media (max-width: 520px) {
  .brand h1 { letter-spacing: 0.1em; }
  .header-inner { padding: 1rem 0.9rem 0.9rem; }
  .mark { width: 2.5rem; height: 2.5rem; }
}

/* Print */
@media print {
  .toc, .menu-toggle, .skip, .to-top, .jump { display: none !important; }
  .frame { display: block; }
  .site-header { box-shadow: none; }
  .entry-card { break-inside: avoid; }
  body { background: #fff; }
  a { color: inherit; text-decoration: none; }
  .entry { grid-template-columns: 6.5rem 0.6rem 1fr; }
}