.celestial-nav, .celestial-header-action, .celestial-subtitle,
.celestial-card-caption, .celestial-about { display: none; }

body.theme-spacetech {
  --celestial-gold: #dfc99b;
  --celestial-line: #9d845b;
  --celestial-paper: #0b1525;
  --celestial-serif: "Songti SC", "Noto Serif CJK SC", "SimSun", Georgia, serif;
  --celestial-width: 1260px;
  --show-bg: #080e1a;
  --show-text: #f1e8d8;
  --show-muted: #d4ccbf;
  --show-card: var(--celestial-paper);
  --show-border: var(--celestial-line);
  --show-accent: var(--celestial-gold);
  --accent: var(--celestial-gold);
  --border-light: #74654d;
  --text-primary: #e7e9ed;
  --text-secondary: #b9c4d5;
}

body.theme-spacetech #header {
  gap: clamp(6px, 1.4vw, 22px);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  padding-inline: max(16px, calc((100vw - var(--celestial-width)) / 2));
}
body.theme-spacetech #header .header-title {
  flex: 1;
  text-align: left;
  white-space: nowrap;
  font: 500 clamp(16px, 2vw, 25px)/1.1 var(--celestial-serif);
  letter-spacing: .11em;
}
body.theme-spacetech #header .header-title::before {
  content: "✧";
  margin-right: .38em;
  color: var(--celestial-gold);
  font-size: 1.35em;
  vertical-align: -.07em;
}
body.theme-spacetech #header :is(.menu-toggle,.header-home) { display: none; }
body.theme-spacetech .celestial-nav { display: flex; gap: clamp(6px, 2vw, 28px); }
body.theme-spacetech #header :is(.celestial-nav button,.celestial-header-action) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 5px;
  min-height: 40px;
  border: 0;
  background: transparent;
  color: var(--show-text);
  cursor: pointer;
  white-space: nowrap;
}
body.theme-spacetech #header .celestial-nav button:hover { color: var(--celestial-gold); }
.celestial-nav svg, .celestial-header-action svg, .celestial-about svg { width: 16px; height: 16px; vertical-align: middle; }

body.theme-spacetech .page-view.archive-home {
  position: relative;
  padding: 0 0 80px;
  background: radial-gradient(ellipse at 50% 12%, #192d48, transparent 58%), var(--show-bg);
}
body.theme-spacetech .archive-home .archive-header {
  width: 100%;
  max-width: 1440px;
  min-height: 0 !important;
  height: clamp(275px, 31vw, 445px);
  justify-content: flex-end;
  padding: 0 12px clamp(58px, 7.4vw, 110px) !important;
  margin: 0 auto !important;
  background: linear-gradient(0deg, var(--show-bg), transparent 16%),
    url('../scenes/celestial/dome.webp') center / cover no-repeat !important;
}
body.theme-spacetech .archive-header :is(.archive-kicker,.archive-subtitle,.archive-meta,.layout-status) { display: none; }
body.theme-spacetech .archive-header .archive-title {
  order: -1;
  margin: 0 0 4px !important;
  color: #f2ddb0;
  font: 500 clamp(42px, 5.1vw, 75px)/1.18 var(--celestial-serif) !important;
  letter-spacing: .16em;
  text-shadow: 0 2px 10px #010409, 0 0 35px #010409;
}
body.theme-spacetech .archive-header .layout-caption {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--celestial-gold);
  font: 600 clamp(8px, 1vw, 13px)/1.6 Georgia, serif;
  letter-spacing: .28em;
}
body.theme-spacetech .layout-caption::before,
body.theme-spacetech .layout-caption::after {
  content: "";
  width: clamp(16px, 5vw, 62px);
  height: 1px;
  background: var(--celestial-line);
}
body.theme-spacetech .celestial-subtitle {
  display: block;
  margin: 8px 0 0;
  color: #f4eee3;
  font: 500 clamp(13px, 1.55vw, 21px)/1.55 var(--celestial-serif);
  letter-spacing: .11em;
  text-shadow: 0 2px 5px #000, 0 0 12px #000;
}

body.theme-spacetech .archive-home :is(.archive-tools,.archive-grid,.archive-lower-panels,.search-results,.reading-resume,.archive-footer) {
  width: min(calc(100% - 48px), var(--celestial-width));
  margin-inline: auto !important;
}
body.theme-spacetech .archive-home .archive-tools {
  position: absolute;
  z-index: 8;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  justify-content: end;
  pointer-events: none;
  margin-bottom: 0;
}
body.theme-spacetech .archive-tools > div { display: none; }
body.theme-spacetech .archive-tools .archive-search {
  opacity: 0;
  pointer-events: none;
}
body.theme-spacetech .archive-tools .archive-search:focus-within {
  opacity: 1;
  pointer-events: auto;
}
body.theme-spacetech .archive-home .search-results:not([hidden]) { margin-top: 10px; }
body.theme-spacetech .archive-home .archive-grid {
  position: relative;
  z-index: 2;
  grid-template-columns: repeat(5, minmax(0, 1fr)) !important;
  grid-auto-rows: auto;
  margin-top: -8px !important;
  margin-bottom: 24px !important;
}
body.theme-spacetech [data-kind="atlas"] { --collection-art: url('../scenes/celestial/atlas.webp'); }
body.theme-spacetech [data-kind="chronicle"] { --collection-art: url('../scenes/celestial/chronicle.webp'); }
body.theme-spacetech [data-kind="labyrinth"] { --collection-art: url('../scenes/celestial/labyrinth.webp'); }
body.theme-spacetech [data-kind="gazetteer"] { --collection-art: url('../scenes/celestial/gazetteer.webp'); }
body.theme-spacetech [data-kind="journal"] { --collection-art: url('../scenes/celestial/journal.webp'); }
body.theme-spacetech .archive-home .archive-card.collection-card:not(.special-collection):nth-child(n) {
  min-height: clamp(195px, 22vw, 290px) !important;
  padding: clamp(82px, 11vw, 148px) 9px 12px !important;
  border: 1px solid var(--celestial-line) !important;
  border-radius: 49% 49% 5px 5px / 19% 19% 5px 5px !important;
  background: linear-gradient(180deg, #0a142611, #0a142625 28%, var(--celestial-paper) 60%),
    var(--collection-art, none) center top / 100% auto no-repeat, var(--celestial-paper) !important;
}
body.theme-spacetech .archive-home .archive-card.collection-card:not(.special-collection)::before {
  inset: 4px;
  border-radius: inherit;
  z-index: 0;
}
body.theme-spacetech .archive-home .archive-card.collection-card:not(.special-collection)::after {
  left: 50%;
  top: 1px;
  transform: translateX(-50%);
}
body.theme-spacetech .archive-home .archive-card :is(.card-number,.card-tag,.card-subtitle) { display: none !important; }
body.theme-spacetech .archive-home .archive-card .collection-emblem {
  position: absolute;
  top: clamp(66px, 9vw, 123px);
  width: 32px;
  height: 29px;
  min-height: 0;
  margin: 0 !important;
  color: var(--celestial-gold);
  filter: drop-shadow(0 1px 3px #000);
}
body.theme-spacetech .archive-home .archive-card .collection-emblem svg { width: 29px; height: 29px; }
body.theme-spacetech .archive-home .archive-card .card-name {
  color: var(--show-text) !important;
  font: 500 clamp(16px, 2.1vw, 29px)/1.25 var(--celestial-serif) !important;
}
body.theme-spacetech .celestial-card-caption {
  display: block;
  color: var(--show-muted);
  font-size: clamp(10px, 1.05vw, 14px);
  margin-bottom: 9px;
}
body.theme-spacetech .archive-home .archive-card .card-foot {
  padding-top: 6px;
  border-color: #9d845b66;
}
body.theme-spacetech .archive-home .archive-card .card-count { font-size: clamp(10px, .95vw, 13px) !important; }
body.theme-spacetech .archive-home .archive-card:not(.special-collection) .card-enter { display: none; }
body.theme-spacetech .archive-home .archive-card.special-collection:nth-child(n) {
  display: grid !important;
  grid-template-columns: 1fr auto 1fr;
  gap: 2px 10px;
  min-height: clamp(85px, 10vw, 128px) !important;
  padding: 10px clamp(12px, 3vw, 40px) !important;
  border: 1px solid var(--celestial-line) !important;
  border-radius: 7px 3px !important;
  background: linear-gradient(90deg, #08111c10, #08111c85 39%, #08111c66 70%, #08111c22),
    url('../scenes/celestial/foundation.webp') center / cover no-repeat !important;
}
body.theme-spacetech .archive-home .special-collection :is(.collection-emblem,.card-count) { display: none !important; }
body.theme-spacetech .archive-home .special-collection .card-name {
  grid-area: 1 / 2;
  align-self: end;
  margin: 0 !important;
  font: italic 500 clamp(22px, 3vw, 42px)/1.2 Georgia, serif !important;
  color: var(--celestial-gold) !important;
}
body.theme-spacetech .archive-home .special-collection .celestial-card-caption { grid-area: 2 / 2; align-self: start; margin: 0; }
body.theme-spacetech .archive-home .special-collection .card-foot {
  grid-area: 1 / 3 / span 2;
  justify-self: end;
  width: auto;
  margin: 0 !important;
  padding: 6px 11px;
  border: 1px solid var(--celestial-line);
  border-radius: 8px 2px;
  background: #0b1525cc;
}

body.theme-spacetech .archive-home .archive-lower-panels { grid-template-columns: repeat(2, minmax(0, 1fr)); }
body.theme-spacetech .archive-home .archive-lower-panels :is(.archive-summary,.archive-excerpts) {
  border: 1px solid var(--celestial-line);
  border-radius: 9px 3px;
  background: var(--celestial-paper);
  box-shadow: inset 0 0 0 4px var(--celestial-paper), inset 0 0 0 5px #9d845b46;
}
body.theme-spacetech .archive-lower-panels h3 { color: var(--celestial-gold); font-family: var(--celestial-serif); }
body.theme-spacetech .archive-summary::after {
  content: "";
  display: block;
  width: 100%;
  aspect-ratio: 1.27;
  border: 1px solid var(--celestial-line);
  background: url('../scenes/celestial/reading-room.webp') center / cover;
  grid-area: art;
}
body.theme-spacetech .archive-summary {
  display: grid;
  grid-template: "title title" auto "art intro" auto "art counts" auto "art link" 1fr / minmax(70px, 28%) minmax(0, 1fr);
  gap: 7px 13px;
}
body.theme-spacetech .archive-summary .archive-kicker { display: none; }
body.theme-spacetech .archive-summary h3 { grid-area: title; }
body.theme-spacetech .archive-summary p { grid-area: intro; margin: 0; }
body.theme-spacetech .archive-summary .summary-count { grid-area: counts; }
body.theme-spacetech .celestial-about {
  grid-area: link;
  justify-self: start;
  align-self: end;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 1px solid var(--celestial-line);
  border-radius: 6px 2px;
  padding: 6px 10px;
  color: var(--celestial-gold);
  background: transparent;
  cursor: pointer;
}

body.theme-spacetech :is(.book-header,.volume-header) {
  border-color: var(--celestial-line);
  background: linear-gradient(90deg, #101b2e, #101b2ec7), url('../scenes/celestial/dome.webp') center 45% / cover;
}
body.theme-spacetech :is(.book-title,.volume-title,.article-header h1,.osi-page .osi-copy h2) {
  font-family: var(--celestial-serif);
  color: var(--celestial-gold);
}
body.theme-spacetech .volume-directory {
  border-block-start: 1px solid var(--celestial-line);
  border-inline-start: 1px solid var(--celestial-line);
  padding-inline-start: 12px;
}
body.theme-spacetech .volume-directory .volume-directory-item:nth-child(n),
body.theme-spacetech .volume-home .volume-chapter-item {
  border-color: #9d845b80;
  background: var(--celestial-paper);
}
body.theme-spacetech .volume-directory-item:nth-child(n) .vol-number { color: var(--celestial-gold); }
body.theme-spacetech[data-view-layout="article"] .reader-view { --archive-metal: var(--celestial-line); }
body.theme-spacetech[data-view-layout="article"] .reader-view .page-single { background: var(--celestial-paper); }
body.theme-spacetech .osi-page {
  --osi-paper: var(--celestial-paper);
  --osi-panel: #17243a;
}
body.theme-spacetech .osi-page .osi-portrait-frame {
  --osi-mat: 8px;
  border-color: var(--celestial-line);
  background: var(--celestial-paper);
}
body.theme-spacetech .osi-page .osi-portrait-frame::before { display: none; }
body.theme-spacetech :is(.celestial-nav button,.celestial-header-action,.archive-card,.celestial-about):focus-visible {
  outline: 2px solid #b3daff;
  outline-offset: 2px;
}

@media (max-width: 720px) {
  body.theme-spacetech #header { padding-inline: 11px; }
  body.theme-spacetech #header .menu-toggle { display: grid; order: 4; }
  body.theme-spacetech #header .celestial-nav {
    position: fixed;
    z-index: 1;
    inset: auto 0 0;
    padding: 3px 8px env(safe-area-inset-bottom, 0px);
    justify-content: space-around;
    gap: 0;
    border-top: 1px solid var(--celestial-line);
    background: var(--show-bg);
  }
  body.theme-spacetech #header .celestial-nav button {
    flex: 1;
    flex-direction: column;
    gap: 2px;
    font-size: 11px;
  }
  body.theme-spacetech .fab-container { bottom: calc(59px + env(safe-area-inset-bottom, 0px)); }
  body.theme-spacetech :is(.book-home,.volume-home) { padding-bottom: 65px; }
  body.theme-spacetech .page-view.archive-home { padding-bottom: 84px; }
  body.theme-spacetech[data-view-layout="article"] .reader-view { padding-bottom: 54px; }
  body.theme-spacetech .archive-home .archive-header {
    height: clamp(212px, 49vw, 300px);
    padding-bottom: 28px !important;
    background: linear-gradient(0deg, var(--show-bg), transparent 18%),
      url('../scenes/celestial/dome.webp') center / auto 100% no-repeat !important;
  }
  body.theme-spacetech .archive-header .archive-title { font-size: clamp(34px, 8vw, 52px) !important; }
  body.theme-spacetech .archive-home :is(.archive-tools,.archive-grid,.archive-lower-panels,.search-results,.reading-resume,.archive-footer) {
    width: calc(100% - 22px);
  }
  body.theme-spacetech .archive-home .archive-grid { grid-template-columns: minmax(0, 1fr) !important; gap: 8px !important; }
  body.theme-spacetech .archive-home .archive-card.collection-card:not(.special-collection):nth-child(n) {
    display: grid !important;
    grid-template-columns: minmax(0,1fr) auto;
    column-gap: 5px;
    min-height: 73px !important;
    padding: 8px 15px 8px clamp(96px, 28vw, 168px) !important;
    text-align: left !important;
    border-radius: 7px 3px !important;
    background: linear-gradient(90deg, transparent, var(--celestial-paper) 31%),
      var(--collection-art, none) left center / auto 100% no-repeat, var(--celestial-paper) !important;
  }
  body.theme-spacetech .archive-home .archive-card.collection-card:not(.special-collection)::after {
    content: "›" !important;
    inset: 50% 9px auto auto;
    transform: translateY(-50%);
    font-size: 18px;
  }
  body.theme-spacetech .archive-home .archive-card:not(.special-collection) .collection-emblem { display: none !important; }
  body.theme-spacetech .archive-home .archive-card:not(.special-collection) .card-name {
    grid-area: 1 / 1;
    margin: 0 0 2px !important;
  }
  body.theme-spacetech .archive-home .archive-card:not(.special-collection) .celestial-card-caption { grid-area: 2 / 1; margin: 0; }
  body.theme-spacetech .archive-home .archive-card:not(.special-collection) .card-foot {
    grid-area: 1 / 2 / span 2;
    margin: 0 4px 0 0 !important;
    padding: 0;
    border: 0;
  }
  body.theme-spacetech .archive-home .archive-card.special-collection:nth-child(n) {
    grid-template-columns: minmax(60px,1fr) auto minmax(35px,1fr);
    min-height: 88px !important;
  }
  body.theme-spacetech .archive-home .special-collection .card-foot { display: none !important; }
  body.theme-spacetech .archive-home .archive-lower-panels { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  body.theme-spacetech .archive-home .archive-card.collection-card:nth-child(n) { transition: none !important; }
  body.theme-spacetech .archive-home .archive-card.collection-card:nth-child(n):hover { transform: none !important; }
}