/* ============================================================
   LOGOS IMPERIUM — Imperial Archive
   Obsidian + gold-hairline Byzantine terminal aesthetic.
   ============================================================ */

:root {
  --bg:        #0b0b10;
  --bg-raise:  #12121a;
  --bg-panel:  #15151f;
  --bg-inset:  #0e0e15;
  --line:      #2a2536;
  --line-gold: #6f5a2a;
  --gold:      #c9a84c;
  --gold-hi:   #e8cf8f;
  --crimson:   #b03a3a;
  --crimson-hi:#d96a5f;
  --teal:      #4fa3a5;
  --violet:    #8f7bd8;
  --ink:       #d8d2c4;
  --ink-dim:   #9a927f;
  --ink-faint: #6b6355;
  --link:      #d9b45e;
  --link-hover:#f0d494;
  --redlink:   #c3564d;
  --serif: Cinzel, "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --mono: "JetBrains Mono", "Cascadia Mono", Consolas, "SF Mono", Menlo, monospace;
  --sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --side-w: 268px;
  --top-h: 58px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(201,168,76,.055), transparent),
    radial-gradient(ellipse 60% 40% at 90% 110%, rgba(176,58,58,.05), transparent);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.62;
}

/* ---------- scrollbars ---------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-inset); }
::-webkit-scrollbar-thumb { background: #2e2a3c; border-radius: 5px; border: 2px solid var(--bg-inset); }
::-webkit-scrollbar-thumb:hover { background: #4a4160; }

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); text-decoration: underline; text-decoration-color: rgba(217,180,94,.5); }
a.redlink { color: var(--redlink); }
a.idlink { font-family: var(--mono); font-size: .88em; letter-spacing: .02em; }

/* ============ layout ============ */
#app-shell { min-height: 100vh; }

#topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  height: var(--top-h);
  display: flex; align-items: center; gap: 14px;
  padding: 0 16px;
  background: linear-gradient(180deg, #16131e, #100e17);
  border-bottom: 1px solid var(--line-gold);
  box-shadow: 0 2px 18px rgba(0,0,0,.55);
}
#nav-toggle {
  display: none;
  background: none; border: 1px solid var(--line); color: var(--gold);
  font-size: 18px; border-radius: 6px; padding: 4px 10px; cursor: pointer;
}
.brand { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.brand:hover { text-decoration: none; }
.brand-sigil { font-size: 26px; color: var(--gold); text-shadow: 0 0 14px rgba(201,168,76,.5); }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-title { font-family: var(--serif); font-size: 17px; letter-spacing: .22em; color: var(--gold-hi); }
.brand-sub { font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-faint); }

#searchbox { position: relative; flex: 1; max-width: 560px; margin: 0 auto; }
#search-input {
  width: 100%;
  background: var(--bg-inset);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  padding: 8px 14px;
  font-size: 14px;
  font-family: var(--sans);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
#search-input:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,168,76,.12); }
#search-suggest {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0; z-index: 70;
  background: var(--bg-panel);
  border: 1px solid var(--line-gold);
  border-radius: 8px;
  box-shadow: 0 10px 34px rgba(0,0,0,.6);
  overflow: hidden;
  max-height: 60vh; overflow-y: auto;
}
#search-suggest.hidden { display: none; }
.sug-item { display: block; padding: 8px 14px; border-bottom: 1px solid rgba(42,37,54,.6); cursor: pointer; }
.sug-item:last-child { border-bottom: 0; }
.sug-item:hover, .sug-item.active { background: rgba(201,168,76,.08); text-decoration: none; }
.sug-title { color: var(--ink); font-weight: 600; font-size: 14px; }
.sug-title b { color: var(--gold-hi); font-weight: 700; }
.sug-meta { font-size: 11.5px; color: var(--ink-faint); letter-spacing: .04em; }
.sug-all { text-align: center; font-size: 12.5px; color: var(--gold); background: rgba(201,168,76,.05); }

.top-links { display: flex; gap: 14px; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.top-links a { color: var(--ink-dim); }
.top-links a:hover { color: var(--gold-hi); text-decoration: none; }

/* ============ sidebar ============ */
#sidebar {
  position: fixed; top: var(--top-h); bottom: 0; left: 0; z-index: 50;
  width: var(--side-w);
  background: linear-gradient(180deg, #100e17 0%, #0d0c13 100%);
  border-right: 1px solid var(--line);
  overflow-y: auto;
}
#sidebar-inner { padding: 14px 12px 22px; }
.side-home {
  display: block; padding: 8px 10px; margin-bottom: 10px;
  font-family: var(--serif); font-size: 14.5px; color: var(--gold-hi);
  border: 1px solid var(--line-gold); border-radius: 8px;
  background: rgba(201,168,76,.05);
}
.side-home:hover { background: rgba(201,168,76,.12); text-decoration: none; }
.side-section { margin-top: 16px; }
.side-head {
  font-size: 10.5px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--ink-faint); padding: 0 10px 6px; border-bottom: 1px solid var(--line);
  margin-bottom: 6px;
}
.side-link, .cat-toggle {
  display: block; width: 100%; text-align: left;
  padding: 5px 10px; border-radius: 6px;
  color: var(--ink-dim); font-size: 13.5px;
  background: none; border: none; cursor: pointer; font-family: var(--sans);
}
.side-link:hover, .cat-toggle:hover { background: rgba(201,168,76,.07); color: var(--gold-hi); text-decoration: none; }
.cat-toggle { display: flex; justify-content: space-between; align-items: center; }
.cat-toggle .count { font-size: 11px; color: var(--ink-faint); font-family: var(--mono); }
.cat-toggle .tw { transition: transform .15s; display: inline-block; margin-right: 6px; color: var(--gold); font-size: 10px; }
.cat-group.open > .cat-toggle .tw { transform: rotate(90deg); }
.cat-kids { display: none; padding-left: 14px; border-left: 1px solid var(--line); margin: 2px 0 6px 14px; }
.cat-group.open > .cat-kids { display: block; }
.cat-kids a { display: block; padding: 3px 8px; font-size: 12.8px; color: var(--ink-dim); border-radius: 5px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cat-kids a:hover { color: var(--gold-hi); background: rgba(201,168,76,.06); text-decoration: none; }
.cat-kids a.active { color: var(--gold-hi); background: rgba(201,168,76,.1); }
.cat-kids .sub-label { font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-faint); padding: 6px 8px 2px; }
.cat-more { font-style: italic; color: var(--gold) !important; }
.side-empty { padding: 4px 10px; font-size: 12px; color: var(--ink-faint); font-style: italic; }
.side-foot { margin-top: 22px; padding: 10px; border-top: 1px solid var(--line); }
#archive-stats { font-size: 11.5px; color: var(--ink-faint); font-family: var(--mono); line-height: 1.7; }
.side-quote { margin-top: 8px; font-family: var(--serif); font-style: italic; font-size: 12.5px; color: var(--crimson-hi); opacity: .8; }
#sidebar-scrim { display: none; }

/* ============ main content ============ */
#content {
  margin-left: var(--side-w);
  padding: calc(var(--top-h) + 26px) 36px 80px;
  max-width: 1120px;
  outline: none;
}

/* ---------- breadcrumbs ---------- */
.crumbs { font-size: 12.5px; letter-spacing: .05em; color: var(--ink-faint); margin-bottom: 10px; text-transform: uppercase; }
.crumbs a { color: var(--ink-dim); }
.crumbs a:hover { color: var(--gold-hi); }
.crumbs .sep { margin: 0 7px; color: var(--line-gold); }

/* ---------- article ---------- */
.article-head { border-bottom: 3px double var(--line-gold); padding-bottom: 10px; margin-bottom: 18px; }
h1.article-title {
  font-family: var(--serif); font-weight: 600; font-size: 34px; letter-spacing: .01em;
  margin: 0 0 4px; color: var(--gold-hi);
  text-shadow: 0 0 24px rgba(201,168,76,.18);
}
.article-sub { font-size: 13px; color: var(--ink-faint); letter-spacing: .06em; }
.article-sub .pill { display: inline-block; margin-right: 8px; padding: 1px 9px; border: 1px solid var(--line); border-radius: 20px; font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }

.epigraph {
  font-family: var(--serif); font-style: italic; font-size: 15.5px; color: var(--ink-dim);
  border-left: 3px solid var(--crimson); padding: 6px 16px; margin: 0 0 18px;
  background: linear-gradient(90deg, rgba(176,58,58,.07), transparent 70%);
}

.article-body { overflow-wrap: break-word; }
.article-body h2 {
  font-family: var(--serif); font-weight: 600; font-size: 22.5px; color: var(--gold);
  border-bottom: 1px solid var(--line-gold); padding-bottom: 4px; margin: 30px 0 12px;
}
.article-body p { margin: 0 0 14px; }
.article-body ul { margin: 0 0 14px; padding-left: 24px; }
.article-body li { margin-bottom: 5px; }
.article-body strong { color: var(--gold-hi); }
.lead { font-size: 16.5px; color: #e4ddce; }

/* ---------- infobox ---------- */
.infobox {
  float: right; width: 300px; margin: 0 0 18px 26px;
  background: var(--bg-panel);
  border: 1px solid var(--line-gold);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0,0,0,.45);
  font-size: 13.2px;
}
.infobox-title {
  background: linear-gradient(180deg, rgba(201,168,76,.2), rgba(201,168,76,.08));
  color: var(--gold-hi); font-family: var(--serif); font-size: 16px; font-weight: 600;
  text-align: center; padding: 9px 12px; letter-spacing: .03em;
  border-bottom: 1px solid var(--line-gold);
}
.infobox-caption { text-align: center; font-size: 11px; color: var(--ink-faint); padding: 5px 10px; border-bottom: 1px solid var(--line); font-style: italic; }
.infobox table { width: 100%; border-collapse: collapse; }
.infobox th, .infobox td { padding: 6px 10px; vertical-align: top; text-align: left; border-bottom: 1px solid rgba(42,37,54,.6); }
.infobox tr:last-child th, .infobox tr:last-child td { border-bottom: 0; }
.infobox th { width: 41%; color: var(--ink-faint); font-weight: 600; font-size: 11.5px; text-transform: uppercase; letter-spacing: .06em; }
.infobox td { color: var(--ink); }

/* ---------- related & tags ---------- */
.related-box, .backlinks-box { clear: both; margin-top: 34px; border-top: 1px solid var(--line); padding-top: 14px; }
.box-head { font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 10px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-block; padding: 4px 13px; border-radius: 18px;
  border: 1px solid var(--line); background: var(--bg-raise);
  font-size: 12.8px; color: var(--ink-dim);
}
.chip:hover { border-color: var(--gold); color: var(--gold-hi); text-decoration: none; background: rgba(201,168,76,.07); }
.tag-row { margin-top: 18px; font-size: 12px; color: var(--ink-faint); }
.tag-row .tag { font-family: var(--mono); margin-right: 10px; color: var(--teal); opacity: .8; }

/* ---------- main page ---------- */
.hero {
  border: 1px solid var(--line-gold); border-radius: 14px;
  padding: 38px 40px 32px;
  background:
    radial-gradient(ellipse 90% 130% at 50% -30%, rgba(201,168,76,.12), transparent 60%),
    linear-gradient(180deg, #16131f, #0f0d16);
  box-shadow: 0 14px 44px rgba(0,0,0,.5);
  text-align: center;
  margin-bottom: 30px;
}
.hero-sigil { font-size: 44px; color: var(--gold); text-shadow: 0 0 30px rgba(201,168,76,.6); }
.hero h1 { font-family: var(--serif); font-size: 40px; margin: 8px 0 4px; color: var(--gold-hi); letter-spacing: .12em; font-weight: 600; }
.hero .hero-sub { font-size: 13px; letter-spacing: .3em; text-transform: uppercase; color: var(--crimson-hi); margin-bottom: 16px; }
.hero p.hero-lead { max-width: 760px; margin: 0 auto 8px; color: var(--ink-dim); font-size: 15.5px; }
.hero-stats { display: flex; justify-content: center; gap: 26px; margin-top: 18px; flex-wrap: wrap; }
.hstat { font-family: var(--mono); font-size: 12px; color: var(--ink-faint); }
.hstat b { display: block; font-size: 22px; color: var(--gold); font-family: var(--serif); }

.portal-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; margin-bottom: 34px; }
.portal {
  border: 1px solid var(--line); border-radius: 12px; padding: 18px 18px 14px;
  background: linear-gradient(180deg, var(--bg-panel), var(--bg-raise));
  transition: transform .14s, border-color .14s, box-shadow .14s;
  display: block;
}
.portal:hover { transform: translateY(-3px); border-color: var(--gold); text-decoration: none; box-shadow: 0 10px 30px rgba(0,0,0,.5); }
.portal .p-icon { font-size: 24px; }
.portal .p-name { font-family: var(--serif); font-size: 17.5px; color: var(--gold-hi); margin: 6px 0 4px; }
.portal .p-desc { font-size: 12.8px; color: var(--ink-dim); line-height: 1.5; }
.portal .p-count { margin-top: 8px; font-family: var(--mono); font-size: 11px; color: var(--ink-faint); }

.home-cols { display: grid; grid-template-columns: 1.4fr 1fr; gap: 22px; }
.home-panel { border: 1px solid var(--line); border-radius: 12px; background: var(--bg-panel); padding: 18px 20px; margin-bottom: 22px; }
.home-panel h3 { font-family: var(--serif); color: var(--gold); margin: 0 0 12px; font-size: 18px; border-bottom: 1px solid var(--line); padding-bottom: 6px; }
.feat-item { padding: 9px 0; border-bottom: 1px solid rgba(42,37,54,.5); }
.feat-item:last-child { border-bottom: 0; }
.feat-item a { font-weight: 600; font-size: 14.5px; }
.feat-item .f-sum { font-size: 12.8px; color: var(--ink-dim); margin-top: 2px; }
.mini-list a { display: block; padding: 4px 0; font-size: 13.5px; }

/* ---------- category page & index ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.cat-card { border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; background: var(--bg-panel); display: block; transition: border-color .14s; }
.cat-card:hover { border-color: var(--gold); text-decoration: none; }
.cat-card .c-title { font-family: var(--serif); font-size: 16.5px; color: var(--gold-hi); }
.cat-card .c-sub { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-faint); margin-bottom: 4px; }
.cat-card .c-sum { font-size: 13px; color: var(--ink-dim); }
.index-cols { column-width: 260px; column-gap: 30px; }
.index-letter { font-family: var(--serif); font-size: 21px; color: var(--crimson-hi); border-bottom: 1px solid var(--line); margin: 14px 0 6px; break-after: avoid; }
.index-cols a { display: block; padding: 2px 0; font-size: 13.8px; break-inside: avoid; }
.index-cols .idx-cat { color: var(--ink-faint); font-size: 11px; margin-left: 6px; }

/* ---------- search page ---------- */
.search-hit { padding: 14px 0; border-bottom: 1px solid var(--line); }
.search-hit a.hit-title { font-size: 17px; font-weight: 600; font-family: var(--serif); }
.hit-meta { font-size: 11.5px; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .08em; margin: 2px 0 4px; }
.hit-snip { font-size: 13.5px; color: var(--ink-dim); }
.hit-snip b { color: var(--gold-hi); background: rgba(201,168,76,.13); padding: 0 2px; border-radius: 3px; font-weight: 600; }

/* ---------- registry tables ---------- */
.reg-tools { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0 16px; align-items: center; }
.reg-tools input[type=search], .reg-tools select {
  background: var(--bg-inset); color: var(--ink); border: 1px solid var(--line);
  border-radius: 7px; padding: 7px 12px; font-size: 13px; font-family: var(--sans); outline: none;
}
.reg-tools input[type=search]:focus, .reg-tools select:focus { border-color: var(--gold); }
.reg-tools .reg-count { margin-left: auto; font-family: var(--mono); font-size: 12px; color: var(--ink-faint); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-panel); }
table.reg { width: 100%; border-collapse: collapse; font-size: 13.2px; min-width: 720px; }
table.reg th {
  position: sticky; top: 0;
  background: #1a1725; color: var(--gold); font-family: var(--serif); font-size: 13px;
  text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line-gold);
  cursor: pointer; user-select: none; white-space: nowrap;
}
table.reg th .arrow { font-size: 10px; color: var(--crimson-hi); margin-left: 4px; }
table.reg td { padding: 8px 12px; border-bottom: 1px solid rgba(42,37,54,.55); vertical-align: top; }
table.reg tbody tr { cursor: pointer; transition: background .1s; }
table.reg tbody tr:hover { background: rgba(201,168,76,.06); }
td.mono, .mono { font-family: var(--mono); font-size: 12.2px; }
.badge {
  display: inline-block; padding: 1px 8px; border-radius: 12px; font-size: 11px;
  border: 1px solid var(--line); color: var(--ink-dim); white-space: nowrap; margin: 1px 2px 1px 0;
}
.badge.b-gold  { color: var(--gold-hi);  border-color: rgba(201,168,76,.55); background: rgba(201,168,76,.08); }
.badge.b-red   { color: var(--crimson-hi); border-color: rgba(176,58,58,.6); background: rgba(176,58,58,.09); }
.badge.b-teal  { color: #7cc6c8; border-color: rgba(79,163,165,.55); background: rgba(79,163,165,.08); }
.badge.b-vio   { color: #b3a4e8; border-color: rgba(143,123,216,.5); background: rgba(143,123,216,.09); }
.badge.b-grey  { color: var(--ink-faint); }

/* ---------- registry detail ---------- */
.detail-grid { display: grid; grid-template-columns: 1fr 320px; gap: 26px; }
.detail-grid .infobox { float: none; width: auto; margin: 0; }
.price-band { font-family: var(--mono); }
.price-band .lo { color: var(--teal); } .price-band .hi { color: var(--crimson-hi); }

/* ---------- misc ---------- */
.notice { border: 1px dashed var(--line-gold); border-radius: 10px; padding: 14px 18px; color: var(--ink-dim); background: rgba(201,168,76,.04); margin: 14px 0; font-size: 13.5px; }
.kbd { font-family: var(--mono); border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 4px; padding: 0 5px; font-size: 11.5px; color: var(--ink-dim); }
hr.rule { border: 0; border-top: 3px double var(--line-gold); margin: 30px 0; }
.center { text-align: center; }
.btn {
  display: inline-block; padding: 8px 22px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--line-gold); background: rgba(201,168,76,.08); color: var(--gold-hi);
  font-family: var(--serif); font-size: 14.5px; letter-spacing: .06em;
}
.btn:hover { background: rgba(201,168,76,.16); text-decoration: none; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .home-cols { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  #nav-toggle { display: block; }
  #sidebar { transform: translateX(-100%); transition: transform .2s; box-shadow: 8px 0 30px rgba(0,0,0,.6); }
  body.nav-open #sidebar { transform: translateX(0); }
  body.nav-open #sidebar-scrim { display: block; position: fixed; inset: 0; z-index: 45; background: rgba(0,0,0,.55); }
  #content { margin-left: 0; padding: calc(var(--top-h) + 18px) 16px 60px; }
  .infobox { float: none; width: 100%; margin: 0 0 18px; }
  .brand-sub { display: none; }
  h1.article-title { font-size: 27px; }
  .hero { padding: 26px 18px; }
  .hero h1 { font-size: 28px; }
}

@media print {
  #topbar, #sidebar, .related-box, .backlinks-box { display: none; }
  #content { margin: 0; padding: 0; }
  body { background: #fff; color: #111; }
}

/* ---------- image plates ---------- */
.ib-portrait { margin: 0; }
.ib-portrait img { display: block; width: 100%; border-bottom: 1px solid var(--line-gold); }
.ib-portrait figcaption { font-size: 10.5px; color: var(--ink-faint); text-align: center; padding: 4px 10px; font-style: italic; }
figure.plate { margin: 22px 0; border: 1px solid var(--line-gold); border-radius: 10px; overflow: hidden;
  background: var(--bg-panel); box-shadow: 0 8px 30px rgba(0,0,0,.4); }
figure.plate img { display: block; width: 100%; max-height: 460px; object-fit: cover; }
figure.plate figcaption { font-family: var(--serif); font-size: 12.5px; color: var(--ink-dim); text-align: center;
  padding: 8px 14px; border-top: 1px solid var(--line); letter-spacing: .04em; }