:root {
  --ink: #05060f;
  --panel: #12102a;
  --panel-2: #1c1a36;
  --line: #3a3660;
  --text: #f2f0ff;
  --muted: #a09cc8;
  --accent: #ffb43a;
  --good: #6ee07a;
  --bad: #ff6a5a;
  --pixel-font: "Press Start 2P", monospace;
  --body-font: "VT323", monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--body-font);
  font-size: 20px;
  line-height: 1.25;
  color: var(--text);
  background: var(--ink);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.top {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--panel-2);
  border-bottom: 2px solid var(--line);
}

.brand, .play, h1, h2, h3, .chip-title {
  font-family: var(--pixel-font);
  font-weight: normal;
}

.brand { font-size: 12px; color: var(--accent); }
.play { font-size: 10px; color: var(--muted); }

.nav {
  display: flex;
  gap: 6px;
  padding: 10px 16px;
  overflow-x: auto;
  border-bottom: 2px solid var(--line);
}

.nav a {
  flex: none;
  padding: 6px 10px;
  font-size: 18px;
  color: var(--muted);
  border: 2px solid var(--line);
}

.nav a.on { color: var(--ink); background: var(--accent); border-color: var(--accent); }

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px;
}

h1 { margin: 8px 0 12px; font-size: 16px; color: var(--accent); }
h2 { margin: 28px 0 10px; font-size: 11px; color: var(--accent); }
h3 { margin: 0; font-size: 10px; line-height: 1.5; }

.lead { margin: 0 0 16px; color: var(--muted); }
.file { font-size: 16px; color: var(--muted); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
}

.card {
  display: flex;
  gap: 12px;
  padding: 12px;
  background: var(--panel);
  border: 2px solid var(--line);
  scroll-margin-top: 70px;
}

.card:target { border-color: var(--accent); }

.card-body { min-width: 0; flex: 1; }

.icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  background: var(--ink);
  border: 2px solid var(--line);
}

.icon img, .sprite-big {
  width: 56px;
  height: 56px;
  image-rendering: pixelated;
}

.icon.none {
  font-size: 15px;
  line-height: 1;
  text-align: center;
  color: var(--bad);
  border-style: dashed;
  border-color: var(--bad);
}

.id { font-size: 16px; color: var(--muted); }
.desc { margin: 6px 0 0; }

.facts {
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  font-size: 18px;
}

.facts li { margin: 2px 0; }
.facts b { font-weight: normal; color: var(--muted); }

.tag {
  display: inline-block;
  margin: 2px 4px 2px 0;
  padding: 0 6px;
  font-size: 16px;
  color: var(--muted);
  border: 1px solid var(--line);
}

.tag.warn { color: var(--bad); border-color: var(--bad); }

/* Index */
.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}

.tile {
  display: block;
  padding: 14px;
  color: var(--text);
  background: var(--panel);
  border: 2px solid var(--line);
}

.tile:hover { text-decoration: none; border-color: var(--accent); }
.tile .chip-title { display: block; font-size: 10px; color: var(--accent); }
.tile span { display: block; margin-top: 8px; color: var(--muted); }

/* Story timeline */
.story { padding: 12px; margin-bottom: 10px; background: var(--panel); border: 2px solid var(--line); }
.chapters { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 10px; }
.chapter { display: flex; align-items: center; gap: 6px; padding: 4px 8px; background: var(--ink); border: 2px solid var(--line); }
.chapter img { width: 24px; height: 24px; image-rendering: pixelated; }
.arrow { color: var(--muted); }
.climax { color: var(--bad); border-color: var(--bad); }

/* Periodic table */
.ptable {
  display: grid;
  grid-template-columns: repeat(18, 1fr);
  gap: 2px;
  margin-bottom: 16px;
}

.el {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  font-size: clamp(9px, 1.8vw, 18px);
  color: var(--line);
  background: var(--panel);
}

.el.in { color: var(--ink); background: var(--good); }
.el.comet { background: var(--accent); }

/* Book */
.subject-tab {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border: 2px solid rgba(0, 0, 0, .4);
}

.subject-tab img { width: 40px; height: 40px; image-rendering: pixelated; }

/* Sky */
.sign-canvas { width: 96px; height: 64px; image-rendering: pixelated; background: #02040f; border: 2px solid var(--line); }
.planet-dot { width: 64px; height: 64px; display: grid; place-items: center; background: #02040f; border: 2px solid var(--line); }
.planet-dot i { display: block; border-radius: 50%; }

.swatch { display: inline-block; width: 14px; height: 14px; vertical-align: -2px; border: 1px solid var(--line); }

@media (max-width: 520px) {
  body { font-size: 18px; }
  .grid { grid-template-columns: 1fr; }
}
.ultra { border: 2px solid transparent; background: linear-gradient(var(--panel-2), var(--panel-2)) padding-box,
  linear-gradient(90deg, #ff5a4a, #ffb43a, #ffe24a, #6ee07a, #5ad8e8, #5a8aff, #c07aff) border-box; }
.chapter.game { color: var(--good); border-color: var(--good); }

.tag.ultra { border-color: #c07aff; color: #c07aff; }
.flow-table { overflow-x: auto; }
.flow-table table { border-collapse: collapse; min-width: 900px; font-size: 15px; }
.flow-table th, .flow-table td { padding: 6px 8px; border: 1px solid var(--line); vertical-align: top; text-align: left; }
.flow-table th { font-family: var(--pixel-font); font-size: 10px; color: var(--accent); }