:root {
  --ink: #15201d;
  --ink-soft: #44504c;
  --night: #071613;
  --night-2: #102824;
  --paper: #f7f5ed;
  --paper-deep: #ece8dc;
  --white: #fffdf7;
  --sun: #f5b43b;
  --sun-light: #ffd77a;
  --red: #b2382d;
  --teal: #3d7772;
  --sky: #dce9e4;
  --line: rgba(21, 32, 29, 0.17);
  --line-light: rgba(255, 255, 255, 0.18);
  --serif: "FZShuSong-Z01", "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", STSong, serif;
  --sans: "LXGW WenKai", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  --max: 1180px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0;
}
body::selection { color: var(--night); background: var(--sun-light); }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }

.skip-link {
  position: fixed;
  left: 18px;
  top: -90px;
  z-index: 1000;
  padding: 10px 16px;
  color: white;
  background: var(--red);
}
.skip-link:focus { top: 18px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  min-height: 68px;
  padding: 0 max(22px, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  color: var(--white);
  background: rgba(7, 22, 19, 0.84);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: max-content;
  font-family: var(--serif);
  font-weight: 700;
}
.brand-mark { width: 34px; height: 34px; flex: 0 0 34px; display: block; }
.site-nav { max-width: min(52vw, 760px); display: flex; align-items: center; gap: 28px; overflow-x: auto; font-size: 14px; scrollbar-width: none; }
.site-nav::-webkit-scrollbar { display: none; }
.site-nav a { flex: 0 0 auto; padding: 20px 0 17px; border-bottom: 2px solid transparent; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--sun-light); border-color: var(--sun); }
.site-tools { justify-self: end; display: flex; align-items: center; gap: 16px; }
.nav-toggle { width: 36px; height: 36px; display: none; place-items: center; padding: 0; color: var(--sun-light); background: transparent; border: 1px solid rgba(241, 214, 132, .36); border-radius: 2px; cursor: pointer; font-size: 18px; line-height: 1; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.service-state { justify-self: end; color: rgba(255, 255, 255, 0.7); font-size: 12px; }
.service-state::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: #9aa5a2;
}
.service-state.is-online::before { background: #78d99c; }
.workbench-entry {
  min-height: 34px;
  padding: 5px 10px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--sun-light);
  border: 1px solid rgba(255, 215, 122, 0.42);
  border-radius: 3px;
  font-size: 12px;
  font-weight: 700;
}
.workbench-entry:hover { color: var(--night); background: var(--sun); border-color: var(--sun); }

.hero {
  min-height: 78svh;
  position: relative;
  display: flex;
  align-items: flex-end;
  color: var(--white);
  background-color: var(--night);
  overflow: hidden;
}
.hero-media { position: absolute; z-index: 0; inset: 0; background: #0a1815; }
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 700ms ease; }
.hero-slide.is-active { opacity: 1; }
.hero-slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,22,19,.96) 0%, rgba(7,22,19,.72) 45%, rgba(7,22,19,.04) 78%); }
.hero-slide img, .hero-slide video { width: 100%; height: 100%; display: block; object-fit: cover; object-position: center; }
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(0deg, transparent 0 3px, rgba(255, 255, 255, 0.018) 3px 4px);
}
.hero-copy {
  position: relative;
  z-index: 1;
  width: min(760px, calc(100% - 44px));
  margin-left: max(22px, calc((100vw - var(--max)) / 2));
  padding: 150px 0 76px;
}
.hero-overline, .kicker {
  margin: 0 0 16px;
  color: var(--red);
  font-size: 13px;
  font-weight: 700;
}
.hero-overline { color: var(--sun-light); }
.hero h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: 92px;
  font-weight: 800;
  line-height: 1.03;
  letter-spacing: 0;
  text-wrap: balance;
}
.hero-lede { max-width: 580px; margin: 25px 0 0; color: rgba(255, 255, 255, 0.82); font-size: 20px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 26px; margin-top: 34px; }
.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 10px 19px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms ease, background-color 180ms ease;
}
.button:hover { transform: translateY(-2px); }
.button-sun { color: var(--night); background: var(--sun); }
.button-sun:hover { background: var(--sun-light); }
.text-link { padding: 8px 0 5px; color: white; border-bottom: 1px solid rgba(255, 255, 255, 0.5); }
.text-link:hover { color: var(--sun-light); border-color: var(--sun); }
.hero-caption {
  position: absolute;
  z-index: 2;
  right: max(22px, calc((100vw - var(--max)) / 2));
  bottom: 24px;
  margin: 0;
  color: rgba(255, 255, 255, 0.54);
  font-size: 11px;
}
.hero-controls { position: absolute; z-index: 3; left: max(22px, calc((100vw - var(--max)) / 2)); bottom: 22px; display: flex; align-items: center; gap: 7px; }
.hero-controls button { width: 34px; height: 34px; display: grid; place-items: center; padding: 0; color: white; background: rgba(5,18,15,.58); border: 1px solid rgba(255,255,255,.34); border-radius: 3px; cursor: pointer; backdrop-filter: blur(8px); }
.hero-controls button:hover, .hero-controls button:focus-visible { color: var(--night); background: var(--sun); border-color: var(--sun); }
.hero-controls .hero-dots { display: flex; gap: 5px; padding: 0 4px; }
.hero-controls .hero-dot { width: 20px; height: 34px; position: relative; background: transparent; border: 0; backdrop-filter: none; }
.hero-controls .hero-dot::after { content: ""; width: 16px; height: 2px; background: rgba(255,255,255,.45); }
.hero-controls .hero-dot.is-active::after { background: var(--sun); }

.section-inner { width: min(var(--max), calc(100% - 44px)); margin: 0 auto; }
.managed-content-section { padding: clamp(64px, 8vw, 112px) 0; color: var(--ink); background: #f4f6f3; border-top: 1px solid rgba(32, 48, 45, .14); }
.managed-content-section:nth-of-type(even) { background: #e8eeeb; }
.managed-section-html { max-width: 900px; margin: 30px auto 0; color: inherit; font-size: 16px; line-height: 1.85; }
.managed-section-html > :first-child { margin-top: 0; }
.managed-section-html > :last-child { margin-bottom: 0; }
.managed-section-html h2, .managed-section-html h3, .managed-section-html h4 { margin: 1.6em 0 .6em; font-family: var(--serif); font-weight: 600; }
.managed-section-html blockquote { margin: 24px 0; padding: 14px 18px; color: #4a563f; background: rgba(244, 232, 184, .45); border-left: 3px solid #b8942f; }
.managed-section-html img { width: 100%; height: auto; display: block; }
.managed-section-html figure { margin: 26px 0; }
.managed-section-html figcaption { margin-top: 8px; color: #66716c; font-size: 13px; }
.managed-section-html table { width: 100%; margin: 22px 0; border-collapse: collapse; background: rgba(255,255,255,.72); }
.managed-section-html th, .managed-section-html td { padding: 10px 12px; border: 1px solid rgba(31,55,49,.2); text-align: left; vertical-align: top; }
.managed-section-html .site-generated-visual { max-width: 980px; margin: 32px 0 0; }
.managed-section-html .site-generated-visual img { width: 100%; max-height: 560px; display: block; object-fit: cover; }
.managed-section-html .site-generated-visual figcaption { padding: 9px 0; color: var(--ink-muted); font-size: 12px; }
.sources-summary { max-width: 620px; margin: 8px 0 0; color: inherit; }
.science-section { padding: 72px 0 112px; }
.records-section, .works-section, .sources-section { padding: 112px 0; }
.chapter-heading {
  display: grid;
  grid-template-columns: 82px minmax(0, 780px);
  gap: 28px;
  align-items: start;
  margin-bottom: 58px;
}
.chapter-number {
  display: block;
  padding-top: 8px;
  color: var(--red);
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  border-top: 2px solid currentColor;
}
.chapter-number.light { color: var(--sun); }
.chapter-heading h2, .history-copy h2, .ask-copy h2, .sources-heading h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 52px;
  line-height: 1.18;
  letter-spacing: 0;
  text-wrap: balance;
}
.chapter-heading > div > p:last-child { max-width: 720px; margin: 20px 0 0; color: var(--ink-soft); font-size: 17px; }

.orbit-experience {
  min-height: 520px;
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  align-items: center;
  color: var(--white);
  background: var(--night);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 24px 70px rgba(7, 22, 19, 0.16);
}
.orbit-copy { padding: 48px; }
.orbit-question { margin: 0 0 16px; color: var(--sun-light); font-family: var(--serif); font-size: 28px; font-weight: 700; line-height: 1.35; }
.orbit-copy > p:nth-child(2) { margin: 0; color: rgba(255, 255, 255, 0.7); }
.orbit-readout { margin: 36px 0 18px; padding-bottom: 11px; display: flex; justify-content: space-between; align-items: baseline; border-bottom: 1px solid var(--line-light); }
.orbit-readout span { color: var(--sky); }
.orbit-readout strong { color: var(--sun); font-family: var(--serif); font-size: 28px; }
.range-control span { display: block; margin-bottom: 8px; color: rgba(255, 255, 255, 0.52); font-size: 12px; }
input[type="range"] { width: 100%; accent-color: var(--sun); }
#eclipse-canvas { display: block; width: 100%; min-width: 0; aspect-ratio: 5 / 3; background: #081713; }

.type-explorer { margin-top: 92px; }
.type-intro { display: flex; align-items: end; justify-content: space-between; gap: 30px; padding-bottom: 25px; border-bottom: 1px solid var(--line); }
.type-intro h3 { margin: 0; font-family: var(--serif); font-size: 38px; line-height: 1.2; }
.type-intro .kicker { max-width: 360px; margin: 0; }
.type-tabs { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 28px; border-bottom: 1px solid var(--line); }
.type-tab {
  min-height: 58px;
  padding: 12px;
  border: 0;
  border-bottom: 3px solid transparent;
  color: var(--ink-soft);
  background: transparent;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
}
.type-tab:hover { color: var(--red); }
.type-tab.is-active { color: var(--ink); border-color: var(--red); }
.type-display {
  min-height: 390px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 70px;
  padding: 52px 8%;
  background: var(--paper-deep);
}
.eclipse-view { position: relative; width: min(290px, 75vw); aspect-ratio: 1; margin: 0 auto; }
.sun-disc, .moon-disc { position: absolute; inset: 0; border-radius: 50%; }
.sun-disc { background: var(--sun); box-shadow: 0 0 60px rgba(245, 180, 59, 0.48); }
.moon-disc { background: var(--night); transition: transform 350ms ease, scale 350ms ease; }
.eclipse-view.total .moon-disc { transform: translate(0, 0); scale: 0.94; box-shadow: 0 0 0 10px rgba(255, 215, 122, 0.46); }
.eclipse-view.annular .moon-disc { transform: translate(0, 0); scale: 0.82; }
.eclipse-view.partial .moon-disc { transform: translate(42%, -12%); scale: 0.94; }
.type-copy > span { color: var(--red); font-size: 13px; font-weight: 700; }
.type-copy h4 { margin: 5px 0 15px; font-family: var(--serif); font-size: 34px; }
.type-copy p { margin: 0; color: var(--ink-soft); }
.type-copy .type-fact { margin-top: 22px; padding-left: 18px; color: var(--ink); border-left: 3px solid var(--sun); }
.safety-note { margin: 0; padding: 20px 24px; color: #4a3424; background: #fff1c9; border-left: 4px solid var(--sun); }
.safety-note strong { margin-right: 12px; }

.history-section {
  display: grid;
  grid-template-columns: minmax(340px, 0.9fr) minmax(480px, 1.1fr);
  min-height: 780px;
  color: var(--white);
  background: var(--night-2);
}
.history-image { position: relative; min-height: 680px; overflow: hidden; }
.history-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 60%, var(--night-2)); pointer-events: none; }
.history-image img { width: 100%; height: 100%; object-fit: cover; filter: contrast(1.04) saturate(0.86); }
.history-image > span { position: absolute; z-index: 2; left: 26px; bottom: 24px; padding: 7px 11px; color: rgba(255, 255, 255, 0.72); background: rgba(7, 22, 19, 0.76); font-size: 11px; }
.history-copy { align-self: center; max-width: 680px; padding: 80px 8vw 80px 6vw; }
.history-copy .chapter-number { width: 72px; margin-bottom: 35px; }
.history-copy .kicker { color: var(--sun); }
.history-copy h2 { font-size: 48px; }
.history-lede { margin: 25px 0 0; color: rgba(255, 255, 255, 0.74); font-size: 18px; }
.history-copy blockquote { margin: 42px 0 35px; padding: 4px 0 4px 24px; color: var(--sun-light); border-left: 3px solid var(--red); }
.history-copy blockquote p { margin: 0; font-family: var(--serif); font-size: 25px; line-height: 1.5; }
.belief-points { border-top: 1px solid var(--line-light); }
.belief-points p { margin: 0; padding: 16px 0; color: rgba(255, 255, 255, 0.68); border-bottom: 1px solid var(--line-light); }

.records-section { background: var(--white); }
.record-tools { display: grid; grid-template-columns: minmax(0, 560px) 1fr; gap: 24px; align-items: center; margin-bottom: 22px; }
.search-box { min-height: 50px; display: flex; align-items: center; gap: 11px; padding: 0 16px; background: var(--paper); border: 1px solid var(--line); border-radius: 4px; }
.search-box > span { color: var(--red); font-size: 25px; line-height: 1; }
.search-box input { width: 100%; border: 0; outline: 0; color: var(--ink); background: transparent; }
.search-box input::placeholder { color: #7b837f; }
.record-count { justify-self: end; color: var(--ink-soft); font-size: 13px; }
.scope-banner { margin-bottom: 34px; padding: 17px 20px; display: flex; justify-content: space-between; gap: 24px; color: #563e20; background: #fff2cf; border-left: 4px solid var(--sun); font-size: 13px; }
.scope-banner strong { color: #382812; }
.record-list { border-top: 1px solid var(--line); }
.record-item { border-bottom: 1px solid var(--line); }
.record-item summary {
  min-height: 112px;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto 34px;
  gap: 22px;
  align-items: center;
  padding: 20px 8px;
  list-style: none;
  cursor: pointer;
}
.record-item summary::-webkit-details-marker { display: none; }
.record-index { color: var(--red); font-family: var(--serif); font-size: 18px; }
.record-inscription { min-width: 0; }
.record-inscription strong { display: block; font-family: var(--serif); font-size: 25px; line-height: 1.45; overflow-wrap: anywhere; }
.record-inscription span { display: block; margin-top: 5px; color: var(--ink-soft); font-size: 13px; }
.status-chip { padding: 4px 9px; color: #765017; background: #fff2cf; border: 1px solid #e9c66d; border-radius: 3px; font-size: 11px; white-space: nowrap; }
.status-chip.verified { color: #245750; background: #e4f0eb; border-color: #a6cbc1; }
.status-chip.pending { color: #765017; background: #fff2cf; border-color: #e9c66d; }
.record-toggle { width: 30px; height: 30px; position: relative; border: 1px solid var(--line); border-radius: 50%; }
.record-toggle::before, .record-toggle::after { content: ""; position: absolute; inset: 50% auto auto 50%; width: 12px; height: 1px; background: var(--ink); transform: translate(-50%, -50%); }
.record-toggle::after { transform: translate(-50%, -50%) rotate(90deg); transition: transform 180ms ease; }
.record-item[open] .record-toggle::after { transform: translate(-50%, -50%) rotate(0); }
.record-item[open] summary { background: var(--paper); }
.record-detail { padding: 32px 8% 42px; background: var(--paper); border-top: 1px solid var(--line); }
.detail-lead { margin: 0 0 28px; color: var(--ink); font-family: var(--serif); font-size: 20px; line-height: 1.65; }
.evidence-strip {
  display: grid;
  grid-template-columns: minmax(210px, 0.78fr) minmax(0, 1.22fr);
  gap: 32px;
  margin: 0 0 32px;
  padding: 20px 22px;
  background: var(--white);
  border-left: 3px solid var(--teal);
}
.evidence-strip > div > span { display: block; margin-bottom: 7px; color: var(--ink-soft); font-size: 11px; }
.evidence-strip strong { display: block; font-family: var(--serif); font-size: 17px; line-height: 1.55; }
.evidence-links { display: flex; flex-wrap: wrap; gap: 8px; }
.evidence-links > a, .evidence-links > span {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  padding: 6px 9px;
  color: var(--teal);
  border: 1px solid rgba(61, 119, 114, 0.3);
  border-radius: 3px;
  font-size: 12px;
}
.evidence-links > a:hover { color: white; background: var(--teal); }
.evidence-links small { color: var(--ink-soft); font-size: 10px; }
.evidence-links > a:hover small { color: rgba(255, 255, 255, 0.78); }
.detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 38px; }
.detail-block h4 { margin: 0 0 12px; color: var(--red); font-size: 13px; }
.detail-block p, .detail-block ul { margin: 0; color: var(--ink-soft); }
.detail-block ul { padding-left: 18px; }
.detail-block li + li { margin-top: 8px; }
.record-sources { margin-top: 30px; padding-top: 20px; display: flex; flex-wrap: wrap; align-items: center; gap: 9px; border-top: 1px solid var(--line); font-size: 12px; }
.record-sources > span { color: var(--ink-soft); }
.record-sources .review-level { margin-left: auto; }
.record-sources a { padding: 4px 8px; color: var(--teal); border: 1px solid rgba(61, 119, 114, 0.35); border-radius: 3px; }
.record-sources a:hover { color: white; background: var(--teal); }
.loading-row, .empty-state { padding: 28px 0; color: var(--ink-soft); }

.works-section {
  background:
    linear-gradient(180deg, rgba(220, 233, 228, 0.42), transparent 260px),
    var(--paper);
}
.works-release {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 34px;
  color: var(--white);
  background: var(--night-2);
  border-radius: 6px;
  overflow: hidden;
}
.works-release > div {
  min-width: 0;
  padding: 24px 28px;
  border-right: 1px solid var(--line-light);
}
.works-release > div:last-child { border-right: 0; }
.works-release span { display: block; color: rgba(255, 255, 255, 0.58); font-size: 12px; }
.works-release strong {
  display: block;
  margin-top: 5px;
  color: var(--sun-light);
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}
.work-tabs {
  display: flex;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
}
.work-tabs button {
  flex: 0 0 auto;
  min-height: 58px;
  padding: 12px 10px;
  color: var(--ink-soft);
  background: transparent;
  border: 0;
  border-bottom: 3px solid transparent;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
}
.work-count-badge { display: inline-block; min-width: 18px; margin-left: 4px; padding: 2px 5px; color: var(--red); background: rgba(170, 61, 57, .1); border-radius: 10px; font-family: var(--sans); font-size: 10px; }
.work-variants { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 13px 46px; background: #fafaf7; border-bottom: 1px solid var(--line); }
.work-variants > span { color: var(--ink-soft); font-size: 11px; }
.work-variants button { max-width: 290px; padding: 6px 9px; color: var(--ink-soft); background: var(--white); border: 1px solid var(--line); border-radius: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; cursor: pointer; font-size: 11px; }
.work-variants button.is-active { color: var(--ink); border-color: var(--red); background: rgba(170, 61, 57, .06); }
.work-tabs button:hover { color: var(--red); }
.work-tabs button.is-active { color: var(--ink); border-color: var(--red); }
.work-stage {
  min-width: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 0;
}
.work-panel { min-width: 0; }
.work-panel-heading {
  display: flex;
  justify-content: space-between;
  gap: 52px;
  padding: 42px 46px 36px;
  border-bottom: 1px solid var(--line);
}
.work-panel-heading > div:first-child { max-width: 760px; }
.work-panel-heading .kicker { margin-bottom: 8px; }
.work-panel-heading h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 34px;
  line-height: 1.3;
}
.work-panel-heading p:last-child { margin: 12px 0 0; color: var(--ink-soft); }
.work-panel-meta {
  flex: 0 0 160px;
  align-self: start;
  display: grid;
  gap: 7px;
  padding-left: 18px;
  color: var(--ink-soft);
  border-left: 2px solid var(--sun);
  font-size: 12px;
}
.work-output { min-width: 0; padding: 42px 46px 48px; }
.work-prose { max-width: 820px; }
.work-prose p { margin: 0; color: var(--ink-soft); font-size: 17px; }
.work-prose p + p, .work-prose ul + p, .work-prose p + ul { margin-top: 20px; }
.work-prose ul { margin: 18px 0 0; padding-left: 22px; }
.work-prose li + li { margin-top: 9px; }
.rich-work-prose h2, .rich-work-prose h3, .rich-work-prose h4 { color: var(--night-2); font-family: var(--serif); line-height: 1.4; }
.rich-work-prose h2 { margin: 34px 0 15px; padding-bottom: 9px; border-bottom: 1px solid var(--line); font-size: 29px; }
.rich-work-prose h3 { margin: 27px 0 11px; font-size: 23px; }
.rich-work-prose h4 { margin: 22px 0 9px; font-size: 19px; }
.rich-work-prose strong { color: var(--night-2); font-weight: 700; }
.rich-work-prose em { color: var(--teal); }
.rich-work-prose blockquote { margin: 24px 0; padding: 13px 17px; color: var(--ink-soft); background: var(--paper); border-left: 3px solid var(--sun); }
.rich-work-prose ol { margin: 18px 0 0; padding-left: 25px; }
.rich-work-prose a { color: var(--teal); text-decoration: underline; text-underline-offset: 3px; }
.rich-work-prose figure { max-width: 780px; margin: 30px 0; padding: 10px; background: var(--paper); border: 1px solid var(--line); }
.rich-work-prose figure img { width: auto; max-width: 100%; max-height: 680px; display: block; margin: 0 auto; object-fit: contain; }
.rich-work-prose figcaption { padding: 10px 8px 2px; color: var(--ink-soft); font-size: 12px; line-height: 1.6; text-align: center; }
.artifact-icon { --artifact-icon: none; width: 1.05em; height: 1.05em; display: inline-block; flex: 0 0 auto; margin-inline: .08em .32em; vertical-align: -.13em; background: currentColor; -webkit-mask: var(--artifact-icon) center / contain no-repeat; mask: var(--artifact-icon) center / contain no-repeat; }
.artifact-icon-sun { --artifact-icon: url("assets/icons/sun.svg"); }
.artifact-icon-moon { --artifact-icon: url("assets/icons/moon.svg"); }
.artifact-icon-telescope { --artifact-icon: url("assets/icons/telescope.svg"); }
.artifact-icon-book-open { --artifact-icon: url("assets/icons/book-open.svg"); }
.artifact-icon-scale { --artifact-icon: url("assets/icons/scale.svg"); }
.artifact-icon-clock-3 { --artifact-icon: url("assets/icons/clock-3.svg"); }
.artifact-icon-sparkles { --artifact-icon: url("assets/icons/sparkles.svg"); }
.artifact-icon-chart { --artifact-icon: url("assets/icons/chart.svg"); }
.artifact-icon-presentation { --artifact-icon: url("assets/icons/presentation.svg"); }
.rich-work-prose .artifact-icon { color: var(--red); }
.work-table-wrap { width: 100%; overflow-x: auto; }
.public-record-table { width: 100%; min-width: 860px; border-collapse: collapse; table-layout: fixed; }
.public-record-table th, .public-record-table td { padding: 15px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
.public-record-table th { color: var(--white); background: var(--night-2); font-size: 12px; }
.public-record-table td { color: var(--ink-soft); font-size: 13px; white-space: pre-wrap; }
.public-record-table th:first-child { width: 22%; }
.public-record-table th:nth-child(2) { width: 19%; }
.public-record-table th:nth-child(3) { width: 19%; }
.public-record-table th:nth-child(4) { width: 14%; }
.public-record-table tbody tr:hover { background: var(--paper); }
.viewpoint-list { border-top: 1px solid var(--line); }
.viewpoint-item { border-bottom: 1px solid var(--line); }
.viewpoint-item summary {
  min-height: 78px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 30px;
  gap: 16px;
  align-items: center;
  padding: 14px 4px;
  list-style: none;
  cursor: pointer;
}
.viewpoint-item summary::-webkit-details-marker { display: none; }
.viewpoint-item summary > span:first-child { color: var(--red); font-family: var(--serif); }
.viewpoint-item summary strong { font-family: var(--serif); font-size: 19px; }
.viewpoint-item[open] summary { background: var(--paper); }
.viewpoint-toggle { width: 28px; height: 28px; position: relative; border: 1px solid var(--line); border-radius: 50%; }
.viewpoint-toggle::before, .viewpoint-toggle::after { content: ""; position: absolute; inset: 50% auto auto 50%; width: 11px; height: 1px; background: var(--ink); transform: translate(-50%, -50%); }
.viewpoint-toggle::after { transform: translate(-50%, -50%) rotate(90deg); }
.viewpoint-item[open] .viewpoint-toggle::after { transform: translate(-50%, -50%); }
.viewpoint-body { display: grid; grid-template-columns: 1fr 1fr; gap: 42px; padding: 26px 46px 34px; background: var(--paper); }
.viewpoint-body h4 { margin: 0 0 12px; color: var(--red); font-size: 13px; }
.viewpoint-body ul { margin: 0; padding-left: 20px; color: var(--ink-soft); }
.viewpoint-body li + li { margin-top: 8px; }
.audio-actions { display: grid; grid-template-columns: minmax(140px, .42fr) minmax(260px, 1fr) auto; align-items: center; gap: 18px; margin-bottom: 34px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.audio-actions > div { display: grid; gap: 4px; }
.audio-actions > div span { color: var(--ink-soft); font-size: 11px; }
.audio-actions > div strong { font-family: var(--serif); font-size: 18px; }
.audio-actions audio { width: 100%; height: 44px; }
.audio-download { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; padding: 8px 13px; color: var(--white); background: var(--teal); border-radius: 4px; font-size: 12px; white-space: nowrap; }
.audio-download:hover { background: var(--night-2); }
.audio-actions button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  color: var(--white);
  background: var(--teal);
  border: 0;
  border-radius: 4px;
  cursor: pointer;
}
.audio-actions button:hover { background: var(--night-2); }
.audio-actions button:disabled { cursor: not-allowed; opacity: 0.5; }
.audio-actions > span { margin-left: 8px; color: var(--ink-soft); font-size: 12px; }
.audio-transcript { padding-left: 22px; border-left: 3px solid var(--sun); }
.public-artifact-reader { width: 100%; display: grid; align-items: start; justify-items: center; gap: 20px; }
.public-card-page { width: min(100%, 400px); height: fit-content; align-self: start; margin: 0; overflow: hidden; background: var(--paper); border: 1px solid var(--line); border-radius: 4px; box-shadow: 0 18px 45px rgba(8, 23, 19, .12); }
.public-card-page picture { width: 100%; height: auto; display: block; line-height: 0; background: var(--paper-deep); }
.public-card-page img { width: 100%; height: auto; display: block; object-fit: contain; background: var(--paper-deep); }
.public-card-fallback { min-height: 0; aspect-ratio: 4 / 5; display: flex; flex-direction: column; padding: 10% 9%; background: #f6f8fa; border-top: 6px solid var(--night-2); }
.public-card-fallback[hidden] { display: none; }
.public-card-fallback > span { color: var(--red); font-family: var(--serif); font-size: 14px; }
.public-card-fallback h4 { max-width: 88%; margin: 12% 0 7%; font-family: var(--serif); font-size: 28px; line-height: 1.35; }
.public-card-fallback ul { margin: 0; padding-left: 20px; color: var(--ink-soft); }
.public-card-fallback li + li { margin-top: 9px; }
.public-card-fallback small { margin-top: auto; padding-top: 20px; color: var(--teal); }
.public-card-page figcaption { padding: 13px 16px; color: var(--ink-soft); border-top: 1px solid var(--line); font-size: 12px; text-align: center; }
.public-reader-controls { max-width: 100%; display: flex; align-items: center; justify-content: center; gap: 10px; }
.public-reader-controls > button { width: 38px; height: 38px; flex: 0 0 38px; display: grid; place-items: center; padding: 0; color: var(--ink); background: var(--white); border: 1px solid var(--line); border-radius: 4px; cursor: pointer; font-size: 17px; }
.public-reader-controls > button:hover:not(:disabled) { color: white; background: var(--teal); border-color: var(--teal); }
.public-reader-controls > button:disabled { cursor: default; opacity: .35; }
.public-reader-controls > span { min-width: 54px; color: var(--ink-soft); font-size: 12px; text-align: center; }
.public-reader-pages { min-width: 0; display: flex; gap: 5px; overflow-x: auto; }
.public-reader-pages button { min-width: 30px; height: 30px; padding: 0 7px; color: var(--ink-soft); background: transparent; border: 1px solid transparent; border-radius: 3px; cursor: pointer; font-size: 11px; }
.public-reader-pages button.is-active { color: white; background: var(--red); border-color: var(--red); }
.public-slide-frame { width: min(100%, 940px); aspect-ratio: 16 / 9; display: flex; overflow: hidden; color: var(--ink); background: white; border: 1px solid var(--line); border-top: 8px solid var(--teal); border-radius: 4px; box-shadow: 0 18px 45px rgba(8, 23, 19, .1); }
.public-slide-frame.is-cover { color: white; background: var(--night-2); border-top-color: var(--sun); border-left: 10px solid var(--sun); }
.public-slide-cover, .public-slide-page { min-width: 0; width: 100%; display: flex; flex-direction: column; justify-content: center; padding: 7% 9%; }
.public-slide-cover > span, .public-slide-page > span { color: var(--sun); font-family: var(--serif); font-size: 14px; }
.public-slide-cover h4, .public-slide-page h4 { max-width: 90%; margin: 15px 0 18px; font-family: var(--serif); font-size: 34px; line-height: 1.28; overflow-wrap: anywhere; }
.public-slide-cover p { max-width: 72%; margin: 0; color: rgba(255, 255, 255, .68); font-size: 15px; line-height: 1.7; }
.public-slide-page { justify-content: flex-start; }
.public-slide-page ul { margin: 0 auto auto 0; padding-left: 23px; color: var(--ink-soft); font-size: 17px; line-height: 1.55; }
.public-slide-page li + li { margin-top: 10px; }
.public-slide-page small { color: var(--teal); font-size: 12px; }
.public-slide-page { min-height: 0; position: relative; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); grid-template-rows: minmax(0, 1fr) auto; gap: clamp(10px, 2vw, 20px) clamp(18px, 4vw, 40px); overflow: hidden; padding: 6% 7% 5%; }
.public-slide-page.layout-statement, .public-slide-page.layout-quote { grid-template-columns: 1fr; }
.public-slide-page.layout-image-left .slide-copy-column { order: 2; }
.public-slide-page.layout-image-left .slide-visual-column { order: 1; }
.slide-copy-column { min-width: 0; min-height: 0; display: flex; flex-direction: column; overflow: hidden; }
.slide-title-row { display: flex; align-items: center; gap: 8px; color: var(--sun); font-size: 13px; }
.slide-title-row .artifact-icon { margin: 0; font-size: 21px; }
.slide-copy-column h4 { margin: 12px 0 14px; font-family: var(--serif); font-size: clamp(22px, 3.6vw, 36px); line-height: 1.25; }
.slide-takeaway { margin: 0 0 15px; color: var(--teal); font-size: clamp(12px, 1.6vw, 16px); font-weight: 700; line-height: 1.5; }
.slide-rich-lines { display: grid; gap: 9px; color: var(--ink-soft); font-size: clamp(11px, 1.5vw, 15px); line-height: 1.55; }
.slide-rich-lines p { margin: 0; }
.slide-rich-lines strong { margin-right: 5px; color: var(--red); }
.public-slide-page.density-compact .slide-copy-column h4 { margin: 8px 0 9px; font-size: clamp(20px, 3vw, 29px); }
.public-slide-page.density-compact .slide-takeaway { margin-bottom: 9px; font-size: clamp(11px, 1.35vw, 14px); }
.public-slide-page.density-compact .slide-rich-lines, .public-slide-page.density-compact ul { gap: 6px; font-size: clamp(10px, 1.25vw, 13px); line-height: 1.42; }
.public-slide-page.density-condensed .slide-copy-column h4 { margin: 6px 0 7px; font-size: clamp(18px, 2.6vw, 25px); }
.public-slide-page.density-condensed .slide-takeaway { margin-bottom: 7px; font-size: clamp(10px, 1.15vw, 12px); line-height: 1.35; }
.public-slide-page.density-condensed .slide-rich-lines, .public-slide-page.density-condensed ul { gap: 4px; font-size: clamp(9px, 1.05vw, 11px); line-height: 1.32; }
.slide-visual-column { min-width: 0; min-height: 0; display: grid; place-items: center; }
.slide-page-image { width: 100%; margin: 0; overflow: hidden; background: var(--paper); border: 1px solid var(--line); }
.slide-page-image img { width: 100%; aspect-ratio: 4 / 3; display: block; object-fit: cover; }
.slide-page-image figcaption { padding: 7px 9px; color: var(--ink-soft); font-size: 9px; }
.slide-citations { min-width: 0; grid-column: 1 / -1; align-self: end; overflow: hidden; color: var(--teal); font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
.slide-process-preview { width: 100%; display: flex; align-items: stretch; gap: 7px; }
.slide-process-preview article { min-width: 0; flex: 1; display: grid; align-content: start; gap: 6px; padding: 12px 9px; background: var(--paper); border: 1px solid var(--line); border-top: 4px solid var(--sun); }
.slide-process-preview article span { color: var(--red); font: 700 10px Georgia, serif; }
.slide-process-preview article strong { font-size: 11px; }
.slide-process-preview article small { color: var(--ink-soft); font-size: 9px; line-height: 1.4; }
.slide-process-preview > i { align-self: center; color: var(--sun); font-style: normal; font-size: 15px; }
.slide-chart-preview { width: 100%; margin: 0; }
.slide-chart-preview figcaption { margin-bottom: 10px; font-size: 12px; font-weight: 700; }
.slide-bars { height: clamp(130px, 22vw, 220px); display: flex; align-items: flex-end; gap: 10px; border-bottom: 1px solid var(--line); }
.slide-bars > div { min-width: 0; height: 100%; flex: 1; position: relative; display: flex; align-items: flex-end; justify-content: center; }
.slide-bars > div > span { width: 70%; height: var(--bar); min-height: 6px; background: var(--teal); }
.slide-bars small, .slide-bars strong { position: absolute; left: 50%; transform: translateX(-50%); font-size: 9px; white-space: nowrap; }
.slide-bars small { top: calc(100% + 4px); }
.slide-bars strong { bottom: calc(var(--bar) + 4px); color: var(--red); }
.slide-pie { width: min(150px, 48%); aspect-ratio: 1; margin: 8px auto; border-radius: 50%; }
.slide-chart-preview.is-doughnut .slide-pie { display: grid; place-items: center; }
.slide-chart-preview.is-doughnut .slide-pie i { width: 52%; aspect-ratio: 1; background: white; border-radius: 50%; }
.slide-chart-preview ol { display: grid; grid-template-columns: 1fr 1fr; gap: 5px 10px; margin: 8px 0 0; padding: 0; list-style: none; font-size: 9px; }
.slide-chart-preview li span { width: 8px; height: 8px; display: inline-block; margin-right: 5px; }
.public-slide-controls { display: flex; align-items: center; justify-content: center; gap: 12px; }
.public-slide-controls .public-reader-controls { margin: 0; }
.public-slide-controls > button { min-height: 38px; padding: 7px 14px; color: white; background: var(--teal); border: 0; border-radius: 4px; cursor: pointer; }
.transition-fade { animation: public-slide-fade .45s ease both; }
.transition-push, .transition-cover { animation: public-slide-push .45s ease both; }
.transition-wipe { animation: public-slide-wipe .5s ease both; }
.transition-split { animation: public-slide-split .5s ease both; }
@keyframes public-slide-fade { from { opacity: .05; } to { opacity: 1; } }
@keyframes public-slide-push { from { opacity: .2; transform: translateX(5%); } to { opacity: 1; transform: none; } }
@keyframes public-slide-wipe { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0); } }
@keyframes public-slide-split { from { clip-path: inset(48% 0); } to { clip-path: inset(0); } }
@media (prefers-reduced-motion: reduce) { .transition-fade, .transition-push, .transition-cover, .transition-wipe, .transition-split { animation: none; } }
.public-visual-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.public-visual-cards article { min-height: 360px; position: relative; padding: 28px 24px 24px; overflow: hidden; background: #f6f8fa; border: 1px solid var(--line); border-top: 5px solid var(--night-2); border-radius: 4px; }
.public-visual-cards article > span { color: var(--red); font-family: var(--serif); font-size: 13px; }
.public-visual-cards h4 { max-width: 82%; margin: 24px 0 18px; font-family: var(--serif); font-size: 22px; line-height: 1.35; }
.public-visual-cards ul { margin: 0; padding-left: 19px; color: var(--ink-soft); }
.public-visual-cards li + li { margin-top: 8px; }
.public-visual-cards small { display: block; margin-top: 24px; color: var(--teal); }
.eclipse-mark { width: 70px; height: 70px; position: absolute; top: 23px; right: 19px; border-radius: 50%; background: var(--sun); box-shadow: inset 25px -9px 0 var(--night-2); }
.public-slide-outline, .public-video-timeline { display: grid; gap: 12px; }
.public-board-reader { width: 100%; display: grid; gap: 14px; }
.public-board-meta { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; color: var(--ink-soft); }
.public-board-meta span { color: var(--red); font-size: 12px; }
.public-board-meta strong { color: var(--ink); font-family: var(--serif); font-size: 17px; }
.public-board-meta small { font-size: 11px; }
.public-board-scroll { width: 100%; overflow-x: auto; padding-bottom: 8px; }
.public-board-stage { min-width: 820px; position: relative; overflow: hidden; background-color: #f5f7f6; background-image: radial-gradient(circle at 1px 1px, #cdd6d8 1px, transparent 1.2px), linear-gradient(rgba(80, 101, 111, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(80, 101, 111, .045) 1px, transparent 1px); background-size: 24px 24px, 120px 120px, 120px 120px; border: 1px solid var(--line); border-radius: 4px; }
.public-board-stage > svg { width: 100%; height: 100%; position: absolute; inset: 0; pointer-events: none; }
.public-board-stage > svg > g > path { fill: none; stroke: #667985; stroke-width: 2.25; stroke-linecap: round; }
.public-board-stage marker path { fill: #71808e; }
.public-board-stage text { fill: #435661; paint-order: stroke; stroke: #f5f7f6; stroke-width: 6px; stroke-linejoin: round; font-size: 11px; font-weight: 700; text-anchor: middle; }
.public-board-node { position: absolute; display: flex; flex-direction: column; gap: 5px; overflow: hidden; padding: 10px; background: white; border: 1px solid #aeb9c2; border-top: 4px solid #b88a22; border-radius: 4px; box-shadow: 0 5px 15px rgba(26, 42, 54, .12); }
.public-board-node.board-color-blue { border-top-color: #3674bd; }
.public-board-node.board-color-green { border-top-color: #3d815f; }
.public-board-node.board-color-red { border-top-color: #a74646; }
.public-board-node.board-color-gray { border-top-color: #737d84; }
.public-board-node.board-type-note { color: #353c3f; background: #fffdf2; border-color: #c8b77f; clip-path: polygon(0 0, calc(100% - 17px) 0, 100% 17px, 100% 100%, 0 100%); }
.public-board-node.board-type-note::after { content: ""; width: 17px; height: 17px; position: absolute; top: 0; right: 0; background: #e7d9a7; border-bottom: 1px solid #b9a568; border-left: 1px solid #b9a568; }
.public-board-node.board-type-evidence { border-width: 1px 1px 1px 6px; border-left-color: #326b96; border-top-color: #326b96; border-radius: 8px 3px 3px 8px; }
.public-board-node.board-type-evidence > span::before { content: "“"; margin-right: 5px; color: #326b96; font: 16px/0 Georgia, serif; vertical-align: -4px; }
.public-board-node.board-type-source { padding-top: 12px; border-top-width: 8px; border-color: #6b846f; border-top-color: #6b846f; border-radius: 2px 8px 3px 3px; box-shadow: inset 0 -5px 0 #e3ece5, 0 5px 15px rgba(26, 42, 54, .12); }
.public-board-node.board-type-source > span { color: #395b42; }
.public-board-node.board-type-source > span::before { content: ""; width: 12px; height: 9px; display: inline-block; margin-right: 5px; border: 1px solid #5d7964; border-top-width: 3px; vertical-align: -1px; }
.public-board-node.board-type-artifact { border: 3px double #9a4b47; border-bottom-width: 8px; border-radius: 6px 6px 3px 3px; }
.public-board-node.board-type-artifact > span { margin: -10px -10px 3px; padding: 5px 9px; color: white; background: #7f3e3b; }
.public-board-stage.is-mind-map .public-board-node.is-root { padding-inline: 18px; border-width: 2px; clip-path: polygon(8% 0, 92% 0, 100% 50%, 92% 100%, 8% 100%, 0 50%); text-align: center; filter: drop-shadow(0 8px 12px rgba(26, 42, 54, .18)); }
.public-board-node > span, .public-board-node > strong, .public-board-node > p, .public-board-node > small { overflow: hidden; overflow-wrap: anywhere; }
.public-board-node > span { color: var(--ink-soft); font-size: 9px; }
.public-board-node > strong { font-family: var(--serif); font-size: 15px; line-height: 1.35; }
.public-board-node > p { margin: 0; color: var(--ink-soft); font-size: 10px; line-height: 1.45; }
.public-board-node > small { margin-top: auto; color: var(--teal); font-size: 9px; }
.public-slide-outline article { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 24px; padding: 25px 28px; background: var(--paper); border: 1px solid var(--line); }
.public-slide-outline article > span { color: var(--red); font-family: var(--serif); font-size: 22px; }
.public-slide-outline h4, .public-video-timeline h4 { margin: 0 0 13px; font-family: var(--serif); font-size: 20px; }
.public-slide-outline ul { margin: 0 0 15px; padding-left: 20px; color: var(--ink-soft); }
.public-slide-outline small, .public-video-timeline small { color: var(--teal); }
.public-video-timeline article { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 28px; padding: 24px 28px; border-left: 3px solid var(--red); background: #fafaf7; }
.public-video-timeline time { color: var(--red); font-family: var(--serif); font-size: 17px; }
.public-video-timeline article div > span { color: var(--ink-soft); font-size: 11px; }
.public-video-timeline p { margin: 8px 0 0; color: var(--ink-soft); }
.public-video-timeline p strong { display: inline-block; min-width: 46px; color: var(--ink); }
.work-provenance { border-top: 1px solid var(--line); background: var(--paper); }
.work-provenance summary { padding: 17px 46px; color: var(--teal); font-weight: 700; cursor: pointer; }
.work-provenance > div { display: grid; gap: 8px; padding: 0 46px 25px; color: var(--ink-soft); font-size: 12px; }

.ask-section { padding: 112px 0; color: var(--white); background: var(--night); }
.ask-layout { display: grid; grid-template-columns: 0.68fr 1.32fr; gap: 80px; align-items: start; }
.ask-copy .chapter-number { width: 72px; margin-bottom: 35px; }
.ask-copy .kicker { color: var(--sun); }
.ask-copy h2 { font-size: 44px; }
.ask-copy > p:not(.kicker) { color: rgba(255, 255, 255, 0.66); }
.prompt-list { margin-top: 32px; display: grid; gap: 9px; }
.prompt-list button { min-height: 44px; padding: 9px 13px; text-align: left; color: var(--sky); background: transparent; border: 1px solid rgba(255, 255, 255, 0.2); border-radius: 4px; cursor: pointer; }
.prompt-list button:hover { color: var(--night); background: var(--sun); border-color: var(--sun); }
.chat-window { min-width: 0; color: var(--ink); background: var(--white); border-radius: 6px; overflow: hidden; box-shadow: 0 28px 80px rgba(0, 0, 0, 0.3); }
.chat-topbar { min-height: 58px; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; background: var(--paper-deep); border-bottom: 1px solid var(--line); }
.chat-topbar > div { display: flex; align-items: center; gap: 9px; }
.chat-topbar > span { color: var(--ink-soft); font-size: 11px; }
.chat-pulse { width: 9px; height: 9px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px rgba(61, 119, 114, 0.14); }
.chat-log { height: 410px; padding: 24px; overflow-y: auto; background: var(--white); }
.message { max-width: 86%; margin-bottom: 18px; }
.message > span { display: block; margin-bottom: 5px; color: var(--ink-soft); font-size: 11px; }
.message p { margin: 0; padding: 13px 15px; line-height: 1.65; border-radius: 5px; white-space: pre-wrap; }
.assistant-message p { background: var(--paper-deep); }
.user-message { margin-left: auto; }
.user-message > span { text-align: right; }
.user-message p { color: white; background: var(--teal); }
.message-citations { margin: 8px 0 0; display: flex; flex-wrap: wrap; gap: 6px; }
.message-citations a { padding: 3px 7px; color: var(--teal); background: white; border: 1px solid rgba(61, 119, 114, 0.28); border-radius: 3px; font-size: 11px; }
.chat-form { padding: 16px 20px 18px; border-top: 1px solid var(--line); background: var(--paper); }
.chat-form > label { display: block; margin-bottom: 7px; color: var(--ink-soft); font-size: 11px; }
.chat-compose { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; align-items: stretch; }
.chat-compose textarea { min-height: 64px; max-height: 140px; resize: vertical; padding: 10px 12px; color: var(--ink); background: white; border: 1px solid var(--line); border-radius: 4px; }
.send-button { width: 76px; border: 0; border-radius: 4px; color: var(--night); background: var(--sun); font-weight: 700; cursor: pointer; }
.send-button:hover { background: var(--sun-light); }
.send-button:disabled { cursor: wait; opacity: 0.58; }
.chat-hint { display: block; margin-top: 8px; color: #777f7b; font-size: 11px; }

.sources-section { background: var(--paper-deep); }
.sources-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 45px; }
.sources-heading h2 { font-size: 44px; }
.sources-heading > p { margin: 0; color: var(--ink-soft); text-align: right; font-size: 13px; }
.sources-heading > p strong { color: var(--red); font-family: var(--serif); font-size: 38px; line-height: 1; }
.reviewed-literature { border-top: 2px solid var(--teal); }
.reviewed-source {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 24px;
  padding: 25px 0;
  border-bottom: 1px solid var(--line);
}
.reviewed-source-index { color: var(--teal); font-family: var(--serif); font-size: 19px; }
.reviewed-source-copy { min-width: 0; }
.reviewed-source-status { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.reviewed-source-status span { padding: 2px 7px; color: #245750; background: #dcebe5; border-radius: 3px; font-size: 11px; }
.reviewed-source-copy h3 { margin: 0; font-family: var(--serif); font-size: 22px; line-height: 1.45; }
.reviewed-source-copy h3 a:hover { color: var(--red); text-decoration: underline; text-underline-offset: 4px; }
.reviewed-source-copy p { margin: 6px 0 0; color: var(--ink-soft); font-size: 13px; }
.literature-archive { margin-top: 36px; }
.literature-archive > summary {
  min-height: 58px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 12px 0;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  list-style: none;
  cursor: pointer;
}
.literature-archive > summary::-webkit-details-marker { display: none; }
.literature-archive > summary > span:first-child { font-weight: 700; }
.literature-archive > summary > span:last-child { font-size: 12px; }
.literature-archive > summary > span:last-child::after { content: "＋"; margin-left: 12px; color: var(--red); font-size: 18px; }
.literature-archive[open] > summary > span:last-child::after { content: "－"; }
.literature-list { border-top: 1px solid var(--line); }
.literature-item { display: grid; grid-template-columns: 54px minmax(0, 1fr) 180px 110px; gap: 24px; align-items: center; padding: 17px 0; border-bottom: 1px solid var(--line); }
.literature-item > span:first-child { color: var(--red); font-family: var(--serif); }
.literature-title { min-width: 0; }
.literature-title a { font-weight: 700; }
.literature-title a:hover { color: var(--red); text-decoration: underline; text-underline-offset: 4px; }
.literature-title span { display: block; margin-top: 3px; color: var(--ink-soft); font-size: 12px; }
.literature-item > span { color: var(--ink-soft); font-size: 13px; }
.collection-note { margin-top: 38px; padding-top: 22px; display: grid; grid-template-columns: 0.7fr 1.3fr; gap: 50px; border-top: 2px solid var(--red); }
.collection-note p { margin: 0; color: var(--ink-soft); font-size: 13px; }
.collection-note a { color: var(--teal); text-decoration: underline; text-underline-offset: 3px; }
.public-source-note { margin: 32px 0 0; padding-top: 20px; color: var(--ink-soft); border-top: 1px solid var(--line); font-size: 12px; }

.site-footer { min-height: 150px; padding: 38px max(22px, calc((100vw - var(--max)) / 2)); display: flex; justify-content: space-between; align-items: center; color: rgba(255, 255, 255, 0.62); background: #04100e; }
.site-footer > div { display: grid; gap: 3px; }
.site-footer strong { color: white; font-family: var(--serif); font-size: 18px; }
.site-footer span { font-size: 12px; }
.site-footer a { color: var(--sun-light); }
.site-footer .footer-actions { display: flex; align-items: center; gap: 26px; }
.footer-actions a { padding: 8px 0; border-bottom: 1px solid transparent; }
.footer-actions a:hover { border-color: currentColor; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity 600ms ease, transform 600ms ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 3px solid var(--sun);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  .nav-toggle { display: grid; }
  .site-nav { max-width: none; max-height: calc(100vh - 84px); position: absolute; inset: 100% 0 auto; display: none; padding: 10px 22px 14px; overflow: auto; flex-direction: column; align-items: stretch; gap: 0; color: var(--white); background: rgba(5,17,13,.97); border-bottom: 1px solid rgba(201,155,55,.38); box-shadow: 0 18px 32px rgba(5,17,13,.24); }
  .site-nav.is-open { display: flex; animation: nav-open 180ms ease-out; }
  .site-nav a { min-height: 48px; display: flex; align-items: center; padding: 9px 2px; border-bottom: 1px solid rgba(255,255,255,.1); }
  .site-nav a::after { right: auto; bottom: 8px; width: 40px; }
  @keyframes nav-open { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
  .hero h1 { font-size: 68px; }
  .chapter-heading h2, .history-copy h2 { font-size: 44px; }
  .orbit-experience { grid-template-columns: 1fr; }
  .orbit-copy { padding: 38px; }
  #eclipse-canvas { aspect-ratio: 16 / 8; }
  .history-section { grid-template-columns: 0.8fr 1.2fr; }
  .history-copy { padding: 70px 34px; }
  .history-image::after { background: linear-gradient(90deg, transparent 40%, var(--night-2)); }
  .ask-layout { grid-template-columns: 1fr; gap: 48px; }
  .ask-copy { max-width: 680px; }
  .prompt-list { grid-template-columns: repeat(3, 1fr); }
  .work-panel-heading { gap: 28px; }
  .literature-item { grid-template-columns: 46px minmax(0, 1fr) 140px; }
  .literature-item > span:last-child { display: none; }
}

@media (max-width: 720px) {
  .site-header { min-height: 60px; padding: 0 18px; }
  .site-tools { gap: 10px; }
  .nav-toggle { width: 34px; height: 34px; }
  .service-state { display: none; }
  .workbench-entry { min-height: 32px; padding-inline: 8px; }
  .hero { min-height: 78svh; }
  .hero-slide img, .hero-slide video { object-position: 63% center; }
  .hero-copy { width: calc(100% - 36px); margin-left: 18px; padding: 126px 0 70px; }
  .hero h1 { font-size: 50px; }
  .hero-lede { max-width: 360px; font-size: 17px; }
  .hero-caption { right: 18px; bottom: 14px; max-width: 170px; text-align: right; }
  .hero-controls { left: 18px; bottom: 10px; }
  .hero-controls button { width: 32px; height: 32px; }
  .section-inner { width: calc(100% - 36px); }
  .science-section { padding: 52px 0 78px; }
  .records-section, .works-section, .sources-section, .ask-section { padding: 78px 0; }
  .chapter-heading { grid-template-columns: 1fr; gap: 17px; margin-bottom: 38px; }
  .chapter-number { width: 58px; }
  .chapter-heading h2, .history-copy h2, .ask-copy h2, .sources-heading h2 { font-size: 38px; }
  .chapter-heading > div > p:last-child { font-size: 16px; }
  .orbit-experience { min-height: 0; }
  .orbit-copy { padding: 28px 22px; }
  .orbit-question { font-size: 24px; }
  #eclipse-canvas { aspect-ratio: 12 / 8; }
  .type-explorer { margin-top: 70px; }
  .type-intro { display: block; }
  .type-intro h3 { margin-top: 8px; font-size: 31px; }
  .type-tabs { margin-top: 20px; }
  .type-tab { min-height: 52px; padding: 10px 5px; font-size: 16px; }
  .type-display { min-height: 0; grid-template-columns: 1fr; gap: 34px; padding: 42px 22px; }
  .eclipse-view { width: min(230px, 65vw); }
  .type-copy h4 { font-size: 29px; }
  .safety-note { padding: 17px 18px; }
  .history-section { display: block; min-height: 0; }
  .history-image { min-height: 430px; height: 56vh; }
  .history-image::after { background: linear-gradient(0deg, var(--night-2), transparent 46%); }
  .history-copy { padding: 65px 18px 76px; }
  .history-copy .chapter-number { margin-bottom: 24px; }
  .history-copy blockquote { margin: 32px 0 28px; }
  .history-copy blockquote p { font-size: 22px; }
  .record-tools { grid-template-columns: 1fr; gap: 10px; }
  .record-count { justify-self: start; }
  .scope-banner { display: grid; gap: 5px; }
  .record-item summary { min-height: 102px; grid-template-columns: 34px minmax(0, 1fr) 28px; gap: 12px; padding: 17px 0; }
  .record-inscription strong { font-size: 20px; }
  .status-chip { display: none; }
  .record-detail { padding: 26px 18px 34px; }
  .evidence-strip { grid-template-columns: 1fr; gap: 20px; padding: 18px; }
  .detail-grid { grid-template-columns: 1fr; gap: 25px; }
  .detail-lead { font-size: 18px; }
  .works-release { grid-template-columns: 1fr; }
  .works-release > div { padding: 18px 20px; border-right: 0; border-bottom: 1px solid var(--line-light); }
  .works-release > div:last-child { border-bottom: 0; }
  .works-release strong { font-size: 22px; }
  .work-tabs button { min-height: 52px; font-size: 15px; }
  .work-panel-heading { display: block; padding: 30px 20px 27px; }
  .work-panel-heading h3 { font-size: 27px; }
  .work-panel-meta { margin-top: 22px; }
  .work-output { padding: 30px 20px 36px; }
  .work-variants { padding: 12px 20px; }
  .work-prose p { font-size: 16px; }
  .public-reader-controls { width: 100%; gap: 6px; }
  .public-reader-pages { max-width: 180px; }
  .public-slide-cover, .public-slide-page { padding: 6% 7%; }
  .public-slide-cover h4, .public-slide-page h4 { max-width: 100%; margin-block: 7px 9px; font-size: 19px; }
  .public-slide-cover p { max-width: 90%; font-size: 10px; }
  .public-slide-page ul { padding-left: 17px; font-size: 10px; }
  .public-slide-page li + li { margin-top: 4px; }
  .public-slide-page small { font-size: 8px; }
  .public-visual-cards { grid-template-columns: 1fr; }
  .public-slide-outline article, .public-video-timeline article { grid-template-columns: 1fr; gap: 10px; padding: 22px 18px; }
  .viewpoint-item summary { grid-template-columns: 30px minmax(0, 1fr) 28px; gap: 10px; }
  .viewpoint-item summary strong { font-size: 17px; }
  .viewpoint-body { grid-template-columns: 1fr; gap: 24px; padding: 22px 18px 29px; }
  .audio-actions > span { width: 100%; margin-left: 0; }
  .work-provenance summary { padding: 16px 20px; }
  .work-provenance > div { padding: 0 20px 22px; }
  .prompt-list { grid-template-columns: 1fr; }
  .chat-log { height: 380px; padding: 18px; }
  .message { max-width: 94%; }
  .chat-form { padding: 14px; }
  .chat-compose { grid-template-columns: 1fr; }
  .send-button { width: 100%; min-height: 44px; }
  .sources-heading { display: block; }
  .sources-heading > p { margin-top: 22px; text-align: left; }
  .reviewed-source { grid-template-columns: 34px minmax(0, 1fr); gap: 10px; }
  .reviewed-source-copy h3 { font-size: 19px; }
  .literature-item { grid-template-columns: 34px minmax(0, 1fr); gap: 10px; align-items: start; }
  .literature-item > span:nth-child(3), .literature-item > span:last-child { display: none; }
  .collection-note { grid-template-columns: 1fr; gap: 14px; }
  .record-sources .review-level { width: 100%; margin-left: 0; }
  .site-footer { min-height: 130px; padding: 30px 18px; align-items: flex-start; gap: 20px; }
  .site-footer .footer-actions { align-items: flex-end; gap: 8px; }
}

/* 2026 visual system: Yin Ruins archive x modern eclipse observatory */
:root {
  --ink: #171c19;
  --ink-soft: #4f5a55;
  --night: #071410;
  --night-2: #10251e;
  --paper: #f3f0e7;
  --paper-deep: #e7e2d6;
  --white: #fffdf7;
  --sun: #d8a93f;
  --sun-light: #f1d684;
  --red: #a43a32;
  --teal: #2f6759;
  --sky: #c6d2cd;
  --moon: #b9c1bd;
  --line: rgba(23, 28, 25, 0.18);
  --line-light: rgba(255, 255, 255, 0.18);
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", STSong, SimSun, serif;
  --sans: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  --max: 1240px;
}

body {
  min-width: 320px;
  background-color: var(--paper);
  background-image: repeating-linear-gradient(90deg, rgba(23, 28, 25, 0.018) 0 1px, transparent 1px 96px);
  font-family: var(--sans);
}

.site-header {
  min-height: 72px;
  background: rgba(5, 17, 13, 0.91);
  border-bottom-color: rgba(216, 169, 63, 0.28);
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(18px) saturate(0.82);
}

.brand {
  gap: 12px;
  font-size: 17px;
}

.brand-mark { width: 34px; height: 34px; flex-basis: 34px; }

.site-nav { gap: 34px; }
.site-nav a { position: relative; padding: 23px 0 19px; border: 0; font-size: 13px; }
.site-nav a::after { content: ""; position: absolute; right: 0; bottom: 13px; left: 0; height: 1px; background: var(--sun); transform: scaleX(0); transform-origin: left; transition: transform 180ms ease; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { transform: scaleX(1); }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--sun-light); border-color: transparent; }
.site-nav a.is-active { color: var(--sun-light); }
.site-nav a.is-active::after { transform: scaleX(1); }

.service-state { font-size: 11px; }
.workbench-entry { min-height: 36px; padding: 5px 12px; border-color: rgba(241, 214, 132, 0.4); border-radius: 2px; }

.hero { min-height: 86svh; border-bottom: 4px solid var(--sun); }
.hero-media { background: var(--night); }
.hero-slide.is-active img, .hero-slide.is-active video { animation: hero-settle 1400ms cubic-bezier(.2,.75,.25,1) both; }
@keyframes hero-settle { from { transform: scale(1.035); filter: saturate(.78); } to { transform: scale(1); filter: saturate(.92); } }
.hero-slide::after { background: linear-gradient(90deg, rgba(5, 17, 13, .97) 0%, rgba(5, 17, 13, .78) 42%, rgba(5, 17, 13, .14) 76%); }
.hero::after { background-image: repeating-linear-gradient(0deg, transparent 0 4px, rgba(255,255,255,.015) 4px 5px); }
.hero-copy { width: min(800px, calc(100% - 44px)); padding: 170px 0 88px 34px; }
.hero-copy::before { content: ""; position: absolute; left: 0; top: 176px; bottom: 94px; width: 1px; background: linear-gradient(var(--red) 0 42px, rgba(255,255,255,.25) 42px 100%); }
.hero-overline, .kicker { letter-spacing: 0; }
.hero-overline { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; color: var(--sun-light); font-family: var(--serif); font-size: 14px; font-weight: 600; }
.hero-overline::before { content: ""; width: 7px; height: 7px; background: var(--red); }
.hero h1 { max-width: 720px; font-size: 82px; font-weight: 750; line-height: 1.08; text-shadow: 0 4px 30px rgba(0,0,0,.2); }
.hero-lede { max-width: 610px; margin-top: 28px; color: rgba(255,255,255,.78); font-family: var(--serif); font-size: 20px; line-height: 1.8; }
.hero-actions { margin-top: 38px; }
.button { border-radius: 2px; }
.button-sun { box-shadow: 4px 4px 0 rgba(164,58,50,.72); }
.button-sun:hover { transform: translate(-1px, -2px); box-shadow: 6px 7px 0 rgba(164,58,50,.68); }
.hero-caption { padding: 5px 8px; background: rgba(5,17,13,.62); border-left: 2px solid var(--sun); }

.section-inner { width: min(var(--max), calc(100% - 64px)); }
.science-section { padding: 92px 0 124px; }
.records-section, .works-section, .sources-section { padding: 118px 0; }
.chapter-heading { grid-template-columns: 72px minmax(0, 840px); gap: 34px; margin-bottom: 62px; }
.chapter-number { width: 62px; padding: 9px 0 7px; color: var(--red); border-top: 2px solid currentColor; border-bottom: 1px solid currentColor; font-size: 14px; text-align: center; }
.chapter-heading h2, .history-copy h2, .ask-copy h2, .sources-heading h2 { font-size: 48px; font-weight: 650; line-height: 1.28; }
.chapter-heading > div > p:last-child { font-family: var(--serif); font-size: 17px; line-height: 1.9; }

.orbit-experience { border: 1px solid rgba(216,169,63,.24); border-radius: 2px; box-shadow: 0 26px 72px rgba(7,20,16,.18); }
.orbit-copy { position: relative; padding: 54px; }
.orbit-copy::before { content: "OBSERVATION  /  天地对位"; display: block; margin-bottom: 28px; color: var(--moon); font-size: 10px; letter-spacing: 0; }
.orbit-question { font-weight: 650; }
.orbit-readout { border-bottom-color: rgba(216,169,63,.28); }
#eclipse-canvas { background: #06120e; }
.type-intro { border-bottom-color: rgba(164,58,50,.35); }
.type-tabs { border-bottom-color: var(--line); }
.type-tab { font-weight: 650; }
.type-display { position: relative; background-color: var(--paper-deep); background-image: linear-gradient(rgba(47,103,89,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(47,103,89,.08) 1px, transparent 1px); background-size: 40px 40px; border-bottom: 1px solid rgba(47,103,89,.24); }
.type-display::after { content: ""; position: absolute; inset: 18px; pointer-events: none; border: 1px solid rgba(47,103,89,.16); }
.type-copy { position: relative; z-index: 1; }
.safety-note { background: #f2e4b9; border-left-color: var(--red); }

.history-section { min-height: 760px; background: #0c2019; border-block: 1px solid rgba(216,169,63,.22); }
.history-image::after { background: linear-gradient(90deg, transparent 52%, #0c2019); }
.history-image img { filter: grayscale(.08) sepia(.12) contrast(1.06) saturate(.76); }
.history-image > span { border-left: 2px solid var(--sun); }
.history-copy { padding-block: 92px; }
.history-copy blockquote { position: relative; padding-left: 28px; border-left-color: var(--red); }
.history-copy blockquote::before { content: "“"; position: absolute; left: 10px; top: -27px; color: rgba(216,169,63,.22); font-family: Georgia, serif; font-size: 72px; }
.belief-points p { position: relative; padding-left: 22px; }
.belief-points p::before { content: ""; position: absolute; left: 1px; top: 26px; width: 7px; height: 7px; background: var(--red); }

.records-section { background-color: var(--white); background-image: repeating-linear-gradient(0deg, transparent 0 47px, rgba(23,28,25,.018) 47px 48px); }
.search-box { background: rgba(243,240,231,.78); border-radius: 2px; }
.scope-banner { background: #f2e7c6; border-left-color: var(--red); }
.record-list { border-top: 2px solid var(--ink); }
.record-item summary { position: relative; padding-inline: 14px; transition: background-color 160ms ease; }
.record-item summary::before { content: ""; position: absolute; left: 0; top: 50%; width: 4px; height: 0; background: var(--red); transform: translateY(-50%); transition: height 180ms ease; }
.record-item summary:hover::before, .record-item[open] summary::before { height: 44px; }
.record-item[open] summary { background: #f0ede3; }
.record-inscription strong { font-weight: 650; }
.status-chip, .evidence-links > a, .evidence-links > span { border-radius: 2px; }
.record-toggle { border-radius: 2px; transform: rotate(45deg); }
.record-toggle::before, .record-toggle::after { transform: translate(-50%, -50%) rotate(-45deg); }
.record-toggle::after { transform: translate(-50%, -50%) rotate(45deg); }
.record-item[open] .record-toggle::after { transform: translate(-50%, -50%) rotate(-45deg); }
.record-detail { background: #f0ede3; box-shadow: inset 4px 0 0 var(--red); }
.evidence-strip { border: 1px solid var(--line); border-left: 3px solid var(--teal); }

.works-section { background: linear-gradient(180deg, rgba(47,103,89,.1), transparent 300px), var(--paper); }
.works-release { border-radius: 2px; border-top: 3px solid var(--sun); background: #10251e; }
.work-stage { border-color: rgba(23,28,25,.22); }
.work-tabs button, .work-panel-heading h3 { font-weight: 650; }
.public-card-page, .public-slide-frame { border-radius: 2px; }

.ask-section { background: #0a1c16; border-top: 4px solid var(--red); }
.chat-window { border-radius: 2px; box-shadow: 16px 18px 0 rgba(216,169,63,.14); }
.prompt-list button { border-radius: 2px; }
.message p, .chat-compose textarea, .send-button { border-radius: 2px; }
.assistant-message p { border-left: 2px solid var(--teal); }

.sources-section { background-color: var(--paper-deep); background-image: repeating-linear-gradient(90deg, transparent 0 79px, rgba(23,28,25,.025) 79px 80px); }
.reviewed-literature { border-top-color: var(--teal); }
.reviewed-source { transition: background-color 160ms ease; }
.reviewed-source:hover { background: rgba(255,253,247,.56); }
.reviewed-source-status span { border-radius: 2px; }
.site-footer { border-top: 3px solid var(--sun); background: #04100d; }

@media (max-width: 980px) {
  .hero h1 { font-size: 66px; }
  .hero-copy { padding-left: 28px; }
  .hero-copy::before { left: 0; }
}

@media (max-width: 720px) {
  .site-header { min-height: 60px; }
  .section-inner { width: calc(100% - 36px); }
  .hero { min-height: 82svh; }
  .hero-copy { width: calc(100% - 36px); padding: 132px 0 76px 20px; }
  .hero-copy::before { top: 138px; bottom: 82px; }
  .hero h1 { font-size: 47px; }
  .hero-overline { max-width: 300px; font-size: 12px; }
  .hero-lede { font-size: 17px; }
  .chapter-heading h2, .history-copy h2, .ask-copy h2, .sources-heading h2 { font-size: 35px; }
  .chapter-number { width: 54px; }
  .orbit-copy { padding: 30px 22px; }
  .orbit-copy::before { margin-bottom: 20px; }
  .type-display::after { inset: 10px; }
  .history-image { min-height: 390px; }
  .history-copy { padding-block: 64px 74px; }
  .record-item summary { padding-inline: 6px; }
  .record-detail { box-shadow: inset 3px 0 0 var(--red); }
  .chat-window { box-shadow: 8px 10px 0 rgba(216,169,63,.14); }
}

/* Three.js eclipse laboratory */
.eclipse-lab { margin-top: 8px; color: var(--ink); }
.eclipse-stage {
  height: clamp(560px, 60vw, 720px);
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: var(--white);
  background: #03110e;
  border-block: 1px solid rgba(216,169,63,.28);
}
#eclipse-canvas {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  display: block;
  aspect-ratio: auto;
  background: #03110e;
  cursor: grab;
  touch-action: pan-y;
}
#eclipse-canvas:active { cursor: grabbing; }
.eclipse-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  box-shadow: inset 0 -120px 100px rgba(1,8,6,.42), inset 0 1px rgba(255,255,255,.05);
}
.eclipse-stage-top {
  min-height: 42px;
  position: absolute;
  z-index: 3;
  inset: 24px 26px auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}
.eclipse-live { display: inline-flex; align-items: center; gap: 9px; color: rgba(255,255,255,.64); font-size: 11px; }
.eclipse-live i { width: 7px; height: 7px; display: block; background: var(--sun); border-radius: 50%; box-shadow: 0 0 0 5px rgba(216,169,63,.12); animation: eclipse-pulse 2.6s ease-in-out infinite; }
@keyframes eclipse-pulse { 50% { box-shadow: 0 0 0 9px rgba(216,169,63,0); } }
.scene-view-switch { display: inline-grid; grid-template-columns: repeat(2, 1fr); padding: 3px; background: rgba(3,17,14,.76); border: 1px solid rgba(255,255,255,.18); backdrop-filter: blur(10px); }
.scene-view-switch button { min-width: 92px; min-height: 34px; padding: 6px 12px; color: rgba(255,255,255,.56); background: transparent; border: 0; cursor: pointer; font-size: 12px; }
.scene-view-switch button.is-active { color: #091511; background: var(--sun-light); }
.celestial-label {
  position: absolute;
  z-index: 2;
  display: grid;
  gap: 2px;
  padding-left: 12px;
  pointer-events: none;
  border-left: 1px solid rgba(255,255,255,.42);
  transform: translate(-50%, -50%);
  transition: opacity 240ms ease;
}
.celestial-label strong { color: var(--white); font-family: var(--serif); font-size: 14px; font-weight: 600; }
.celestial-label span { color: rgba(255,255,255,.44); font-size: 10px; }
.label-sun { left: 18%; top: 64%; }
.label-moon { left: 50%; top: 45%; }
.label-earth { left: 82%; top: 61%; }
.eclipse-lab[data-view="observer"] .celestial-label { opacity: 0; }
.eclipse-stage-legend { position: absolute; z-index: 3; left: 26px; bottom: 24px; display: flex; flex-wrap: wrap; gap: 16px; color: rgba(255,255,255,.48); font-size: 10px; }
.eclipse-stage-legend span { display: inline-flex; align-items: center; gap: 7px; }
.eclipse-stage-legend i { width: 22px; height: 3px; display: block; }
.legend-umbra { background: rgba(0,0,0,.9); border: 1px solid rgba(216,169,63,.3); }
.legend-penumbra { background: rgba(216,169,63,.26); }
.eclipse-webgl-notice { max-width: 420px; position: absolute; z-index: 4; inset: 50% auto auto 50%; margin: 0; padding: 18px 22px; color: var(--white); background: rgba(7,24,19,.92); border-left: 3px solid var(--red); transform: translate(-50%,-50%); }

.eclipse-console { display: grid; grid-template-columns: minmax(0,.92fr) minmax(0,1.08fr); background: var(--paper-deep); border-bottom: 1px solid var(--line); }
.eclipse-console .orbit-copy { position: relative; padding: 48px 50px 46px; color: var(--ink); background: #10271f; }
.eclipse-console .orbit-copy::before { display: none; content: none; }
.console-label { margin: 0 0 22px; color: var(--sun); font-size: 10px; letter-spacing: 0; }
.eclipse-console .orbit-question { max-width: 420px; margin-bottom: 14px; color: var(--sun-light); font-size: 27px; }
.eclipse-console .orbit-copy > p:nth-child(3) { max-width: 500px; margin: 0; color: rgba(255,255,255,.65); line-height: 1.8; }
.eclipse-console .orbit-readout { margin: 30px 0 22px; padding: 0 0 13px; align-items: end; border-bottom-color: rgba(216,169,63,.28); }
.eclipse-console .orbit-readout > span { display: grid; gap: 3px; }
.eclipse-console .orbit-readout b { color: var(--white); font-size: 13px; font-weight: 600; }
.eclipse-console .orbit-readout small { color: rgba(255,255,255,.42); font-size: 10px; }
.eclipse-console .range-control > span:first-child { margin-bottom: 12px; }
.range-control input { display: block; }
.range-scale { display: flex !important; justify-content: space-between; margin-top: 8px; color: rgba(255,255,255,.34) !important; }
.range-scale i { font-style: normal; }
.eclipse-console .type-explorer { min-width: 0; margin: 0; padding: 45px 48px 42px; }
.eclipse-console .type-intro { display: block; padding: 0; border: 0; }
.eclipse-console .type-intro .kicker { margin: 0 0 8px; color: var(--red); }
.eclipse-console .type-intro h3 { font-size: 31px; }
.eclipse-console .type-tabs { margin-top: 24px; }
.eclipse-console .type-tab { min-height: 50px; font-size: 16px; }
.eclipse-console .type-display { min-height: 270px; grid-template-columns: 190px minmax(0,1fr); gap: 34px; padding: 34px 0 0; background: transparent; border: 0; }
.eclipse-console .type-display::after { display: none; }
.eclipse-console .eclipse-view { width: 168px; }
.eclipse-console .eclipse-view::after { content: ""; position: absolute; inset: -13px; border: 1px solid rgba(47,103,89,.26); border-radius: 50%; }
.eclipse-console .eclipse-view small { position: absolute; inset: auto 0 -36px; color: var(--ink-muted); font-size: 10px; text-align: center; }
.eclipse-console .type-copy h4 { font-size: 31px; }
.eclipse-console .type-copy p { font-size: 14px; line-height: 1.75; }
.eclipse-console .type-copy .type-fact { margin-top: 18px; }
.eclipse-lab > .safety-note { margin: 0; }

@media (max-width: 980px) {
  .eclipse-stage { height: clamp(520px, 72vw, 660px); }
  .eclipse-console { grid-template-columns: 1fr; }
  .eclipse-console .orbit-copy { padding: 42px 38px; }
  .eclipse-console .type-explorer { padding: 42px 38px 48px; }
}

@media (max-width: 720px) {
  .eclipse-stage { width: calc(100% + 36px); height: 520px; margin-left: -18px; }
  .eclipse-stage-top { inset: 16px 14px auto; align-items: flex-start; }
  .eclipse-live { padding-top: 10px; }
  .scene-view-switch button { min-width: 74px; min-height: 32px; padding-inline: 8px; }
  .eclipse-stage-legend { left: 14px; right: 14px; bottom: 16px; gap: 10px; }
  .eclipse-stage-legend span:last-child { width: 100%; }
  .label-sun { left: 13%; top: 67%; }
  .label-moon { left: 50%; top: 43%; }
  .label-earth { left: 86%; top: 64%; }
  .celestial-label { padding-left: 7px; }
  .celestial-label strong { font-size: 12px; }
  .eclipse-console { width: calc(100% + 36px); margin-left: -18px; }
  .eclipse-console .orbit-copy, .eclipse-console .type-explorer { padding: 34px 22px 38px; }
  .eclipse-console .orbit-question { font-size: 23px; }
  .eclipse-console .type-intro h3 { font-size: 27px; }
  .eclipse-console .type-tabs { gap: 0; }
  .eclipse-console .type-tab { font-size: 14px; }
  .eclipse-console .type-display { min-height: 0; grid-template-columns: 112px minmax(0,1fr); gap: 24px; align-items: start; padding-top: 28px; }
  .eclipse-console .eclipse-view { width: 106px; margin-top: 16px; }
  .eclipse-console .type-copy h4 { font-size: 27px; }
  .eclipse-console .type-copy .type-fact { padding-left: 12px; }
}

@media (max-width: 430px) {
  .eclipse-stage { height: 470px; }
  .eclipse-live { font-size: 9px; }
  .eclipse-console .type-display { grid-template-columns: 1fr; }
  .eclipse-console .eclipse-view { width: 132px; margin: 8px auto 18px; }
  .eclipse-console .eclipse-view small { bottom: -28px; }
}