:root {
  --ink: #070b14;
  --panel: #101827;
  --chalk: #e8e4d9;
  --amber: #b8893a;
  --cyan: #7aa8b4;
  --line: rgba(232, 228, 217, 0.18);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dock: 64px;
  --dock-clear: calc(var(--dock) + env(safe-area-inset-bottom, 0px) + 1.5rem);
  --max: 1120px;
  color-scheme: dark;
}
html[data-theme="chalk"] {
  --ink: #ece7dc;
  --panel: #f4efe4;
  --chalk: #1b2433;
  --amber: #8a5a1f;
  --cyan: #3d6d78;
  --line: rgba(27, 36, 51, 0.16);
  color-scheme: light;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { background: var(--ink); }
body {
  font: 17px/1.55 "Iowan Old Style", "Palatino Linotype", Palatino, "Songti SC", serif;
  color: var(--chalk);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(122, 168, 180, 0.12), transparent 55%),
    radial-gradient(900px 420px at 110% 0%, rgba(184, 137, 58, 0.1), transparent 50%),
    var(--ink);
  min-height: 100%;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--cyan); text-decoration-thickness: 1px; }
a:hover { color: var(--amber); }
.wrap { width: min(100% - 1.5rem, var(--max)); margin-inline: auto; }
.skip {
  position: absolute; left: 0.75rem; top: -3rem; z-index: 40;
  background: var(--panel); color: var(--chalk); padding: 0.75rem 1rem; min-height: 44px;
}
.skip:focus { top: 0.75rem; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.site.hbar, header.site .hbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 0.65rem;
  min-height: 64px;
}
header.site {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--ink) 86%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.brand { display: flex; align-items: center; gap: 0.55rem; color: var(--chalk); text-decoration: none; min-height: 44px; }
.mark {
  width: 28px; height: 28px; border: 1px solid var(--amber); transform: rotate(45deg);
  box-shadow: 8px 0 0 -7px var(--cyan);
}
.logo { font-size: 0.95rem; letter-spacing: 0.04em; }
.badge {
  font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase;
  border: 1px solid var(--amber); color: var(--amber); padding: 0.2rem 0.4rem;
}
.desk { display: none; }
.desk ul, .drawer ul { list-style: none; margin: 0; padding: 0; }
.desk a, .drawer a, .dock a, .dock button, .tool-btn, .btn {
  min-height: 44px; min-width: 44px; display: inline-flex; align-items: center; justify-content: center;
  padding: 0.45rem 0.7rem; border: 1px solid transparent; background: transparent; color: var(--chalk);
  font: inherit; cursor: pointer;
}
.tools {
  display: flex; gap: 0.25rem; flex-wrap: wrap; justify-content: flex-end;
  align-items: center;
}
.tool-btn, .locale-btn {
  border-color: var(--line); background: var(--panel);
}
.locale { position: relative; }
.locale-menu {
  position: absolute; right: 0; top: calc(100% + 4px); z-index: 30;
  background: var(--panel); border: 1px solid var(--line); list-style: none; margin: 0; padding: 0.25rem;
  min-width: 10rem;
}
.locale-menu [role="option"] { min-height: 44px; display: flex; align-items: center; padding: 0 0.7rem; cursor: pointer; }
.locale-menu [aria-selected="true"] { color: var(--amber); }
.drawer {
  border-top: 1px solid var(--line); background: var(--panel);
}
.drawer a { justify-content: flex-start; width: 100%; }
.search-panel {
  border-top: 1px solid var(--line); background: var(--panel); padding: 0.75rem 0 1rem;
}
.search-panel input {
  width: 100%; min-height: 44px; font: inherit; padding: 0.5rem 0.75rem;
  background: var(--ink); color: var(--chalk); border: 1px solid var(--cyan);
}
.search-hits { list-style: none; padding: 0; }
.search-hits a { justify-content: flex-start; }
.dock {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 25;
  display: grid; grid-template-columns: repeat(4, 1fr);
  min-height: var(--dock);
  background: var(--ink);
  border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
}
main { padding-bottom: var(--dock-clear); }
.hero { position: relative; overflow: hidden; padding: 1.25rem 0 2rem; }
.starfield { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.45; pointer-events: none; }
.mapline { fill: none; stroke: var(--amber); stroke-width: 1.1; stroke-dasharray: 6 10; }
.mapline.mirror { stroke: var(--cyan); }
.constellation circle { fill: var(--chalk); }
.constellation path { stroke: var(--chalk); stroke-width: 0.6; opacity: 0.55; }
.hero-split { position: relative; display: grid; gap: 1.25rem; }
.kicker { letter-spacing: 0.16em; text-transform: uppercase; font-size: 0.72rem; color: var(--amber); margin: 0 0 0.6rem; }
h1 { font-size: clamp(1.7rem, 6vw, 3rem); line-height: 1.15; margin: 0 0 0.8rem; font-weight: 600; overflow-wrap: anywhere; }
.status-line { display: flex; flex-direction: column; gap: 0.35rem; color: var(--cyan); font-size: 0.95rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.btn {
  border: 1px solid var(--amber); background: color-mix(in srgb, var(--amber) 16%, transparent);
  color: var(--chalk); text-decoration: none;
}
.btn.ghost { border-color: var(--cyan); background: transparent; }
.hero-art, .article-art {
  margin: 0; border: 1px solid var(--line);
  clip-path: polygon(0 8%, 100% 0, 100% 92%, 0 100%);
  background: var(--panel);
}
.hero-art img, .article-art img { width: 100%; }
figcaption { font-size: 0.78rem; padding: 0.45rem 0.7rem; color: var(--cyan); }
.atlas-board { padding: 0.5rem 0 2rem; }
.orbit { margin: 0 0 1.75rem; }
.orbit h2 { font-size: 1.05rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--amber); }
.orbit-path {
  display: flex; flex-direction: column; gap: 0.55rem;
  padding-left: 1.1rem; border-left: 1px dashed var(--cyan);
}
.star-node {
  position: relative; display: flex; align-items: center; gap: 0.7rem;
  min-height: 52px; padding: 0.35rem 0.6rem; color: var(--chalk); text-decoration: none;
  background: linear-gradient(90deg, color-mix(in srgb, var(--panel) 70%, transparent), transparent);
}
.star-node:nth-child(even) { margin-left: 1.4rem; }
.star-node h3 { margin: 0; font-size: 1.05rem; }
.dot {
  width: 10px; height: 10px; border-radius: 50%; background: var(--chalk);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--cyan) 35%, transparent);
  flex: 0 0 auto;
}
.page { padding: 1.1rem 0 2rem; }
.inner { max-width: 42rem; }
.crumbs { display: flex; flex-wrap: wrap; gap: 0.4rem; font-size: 0.9rem; margin-bottom: 0.8rem; }
.prose h2 { font-size: 1.28rem; margin: 1.6rem 0 0.6rem; color: var(--amber); overflow-wrap: anywhere; }
.prose p, .prose li { overflow-wrap: anywhere; }
.unknown {
  border-left: 3px solid var(--cyan); padding: 0.6rem 0.8rem;
  background: color-mix(in srgb, var(--cyan) 10%, transparent);
}
.sources h2 { font-size: 1.1rem; }
.sources ul { padding-left: 1.1rem; }
details.spoiler { border: 1px solid var(--line); padding: 0.4rem 0.7rem; background: var(--panel); }
details.spoiler summary { min-height: 44px; display: flex; align-items: center; cursor: pointer; }
footer.site { border-top: 1px solid var(--line); padding: 1.2rem 0 var(--dock-clear); font-size: 0.92rem; }
.footgrid ul { list-style: none; padding: 0; display: flex; gap: 1rem; flex-wrap: wrap; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }
.tool-btn:hover, .star-node:hover, .btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
  transition: transform 220ms var(--ease), filter 220ms var(--ease), color 220ms var(--ease);
}
.search-panel, .drawer, .locale-menu {
  transition: opacity 200ms var(--ease);
}
@media (min-width: 768px) {
  header.site .hbar {
    display: grid;
    grid-template-columns: max-content minmax(0, 1fr) max-content;
    align-items: center;
    width: min(100% - 1.5rem, 1388px);
    flex-wrap: nowrap;
  }
  .menu-btn, .dock { display: none; }
  .desk { display: block; min-width: 0; }
  .desk ul { display: flex; flex-wrap: nowrap; gap: 0.1rem; justify-content: flex-end; }
  .desk a { padding-inline: 0.4rem; }
  .tools { flex-wrap: nowrap; }
  main, footer.site { padding-bottom: 2rem; }
  .hero-split { grid-template-columns: 1.05fr 0.95fr; align-items: end; }
  .orbit-path { display: grid; grid-template-columns: 1fr; }
}
@media (min-width: 1100px) {
  .atlas-board .wrap {
    display: grid; grid-template-columns: 0.9fr 1fr 0.9fr; gap: 1.5rem; align-items: start;
  }
  .orbit-path { min-height: 12rem; }
  .star-node:nth-child(even) { margin-left: 2.4rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
}