/* ============================================================
   Human Saga — base tokens + shared chrome for the static SEO pages.
   Detail/hub pages load THIS (small) + detail.css instead of the 37KB
   app styles.css. Token values mirror styles.css :root / [data-theme=light]
   — keep them in sync. (Light --muted darkened from styles.css for WCAG AA.)
   ============================================================ */
:root{
  --bg:#080b12;--bg2:#121a27;--bg3:#1b2433;--panel:#141d2b;
  --line:#283441;--line-2:#36465a;
  --text:#eef3f9;--text-2:#cdd7e3;--muted:#9aa8ba;
  --gold:#e7bd6e;--gold-2:#caa14f;--gold-soft:rgba(231,189,110,.14);--gold-glow:rgba(231,189,110,.5);
  --accent:#7aa2f7;--accent-soft:rgba(122,162,247,.14);
  --r1:8px;--r2:12px;--r3:16px;--r4:22px;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 24px rgba(0,0,0,.22);
  --shadow-lg:0 20px 60px rgba(3,6,12,.6);
  --display:"Fraunces",Georgia,"Times New Roman",serif;
  --ui:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
[data-theme="light"]{
  --bg:#f5f1e8;--bg2:#fbf8f1;--bg3:#efe8da;--panel:#ffffff;
  --line:#e5decf;--line-2:#d4cbb8;
  --text:#1a1611;--text-2:#463f34;--muted:#6b6252;
  --gold:#bf512e;--gold-2:#9a3f22;--gold-soft:rgba(191,81,46,.12);--gold-glow:rgba(191,81,46,.30);
  --accent:#4f6b8a;--accent-soft:rgba(79,107,138,.14);
  --shadow:0 1px 2px rgba(60,45,25,.06),0 8px 26px rgba(60,45,25,.08);
  --shadow-lg:0 24px 60px rgba(50,38,22,.18);
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--text);font-family:var(--ui);line-height:1.55;font-size:15px;background:var(--bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3{font-family:var(--display);font-weight:600;letter-spacing:.1px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}
::selection{background:var(--gold-soft);color:var(--text)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.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}
.skip-link{position:absolute;left:-9999px;top:0;z-index:60;background:var(--gold);color:#1a1206;padding:8px 14px;border-radius:0 0 8px 0;font-weight:600;font-size:14px}
.skip-link:focus{left:0}
/* theme toggle */
.mode-toggle{margin-left:8px;width:38px;height:38px;border-radius:50%;flex:none;display:inline-flex;align-items:center;justify-content:center;
  background:var(--bg3);border:1px solid var(--line);color:var(--gold);cursor:pointer;transition:border-color .18s,background .18s,transform .15s,color .18s}
.mode-toggle:hover{border-color:var(--line-2);transform:translateY(-1px)}
.mode-toggle svg{width:18px;height:18px;display:block}
.mode-toggle .ico-sun{display:none}
[data-theme="light"] .mode-toggle .ico-sun{display:block}
[data-theme="light"] .mode-toggle .ico-moon{display:none}

/* ============================================================
   O14 — /empires and /events index card grids
   ============================================================ */

/* Filter toolbar */
.idx-toolbar{display:flex;align-items:center;gap:12px;margin:18px 0 20px;flex-wrap:wrap}
.idx-filter{flex:1;min-width:180px;padding:9px 14px;background:var(--bg2);border:1px solid var(--line);border-radius:var(--r2);
  color:var(--text);font-family:var(--ui);font-size:14px;outline:none;transition:border-color .15s,box-shadow .15s}
.idx-filter::placeholder{color:var(--muted)}
.idx-filter:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.idx-count{font-size:13px;color:var(--muted);white-space:nowrap;flex:none}
.idx-noresults{display:none;padding:32px 0;text-align:center;color:var(--muted);font-size:14px}
.idx-noresults.visible{display:block}

/* Group sections */
.idx-group{margin:0 0 40px}
.idx-group h2{font-family:var(--display);font-size:20px;color:var(--text);margin:0 0 13px;display:flex;align-items:center;gap:10px;font-weight:600}
.idx-group h2 a{color:inherit;text-decoration:none}
.idx-group h2 a:hover{color:var(--accent)}

/* Card grid — 2 columns collapsing to 1 */
.idx-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(max-width:640px){.idx-grid{grid-template-columns:1fr}}

/* Individual card */
a.idx-card{display:flex;flex-direction:row;gap:12px;padding:14px;background:var(--bg2);border:1px solid var(--line);
  border-radius:var(--r2);text-decoration:none;color:inherit;transition:border-color .18s,transform .15s,box-shadow .15s;min-width:0}
a.idx-card:hover{border-color:var(--line-2);transform:translateY(-2px);box-shadow:var(--shadow);text-decoration:none;color:inherit}

/* Thumbnail (left column when minimap present) */
.idx-thumb{flex:none;width:104px;height:67px;object-fit:cover;border-radius:6px;border:1px solid var(--line)}

/* Content column */
.ic-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}
.ic-head{display:flex;align-items:baseline;gap:6px}
.ic-name{flex:1;font-family:var(--display);font-size:15px;font-weight:600;color:var(--text);min-width:0;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ic-meta{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:5px;flex-wrap:wrap}

/* Duration/position bar */
.idx-bar{display:block;width:100%;height:10px;margin-top:6px}
.idx-bar .trk{stroke:var(--line)}

/* Axis caption below each group grid */
.idx-axis{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin-top:8px;padding:0 2px}