:root {
  --bg: #0e1116;
  --panel: #161b22;
  --panel-2: #1d232c;
  --text: #d8dee9;
  --muted: #8b95a3;
  --link: #88c0d0;
  --link-hover: #b5d8e6;
  --accent: #ebcb8b;
  --rule: #2a313c;
  --code-bg: #0a0d12;
  --hl: #2e3440;
  --warn: #bf616a;
  --green: #a3be8c;
  --purple: #b48ead;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); }
body {
  font-family: "EB Garamond", "Charter", "Iowan Old Style", Georgia, serif;
  font-size: 17px; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--link); text-decoration: none; border-bottom: 1px solid transparent; }
a:hover { color: var(--link-hover); border-bottom-color: var(--link-hover); }
code { font-family: "SF Mono", "Menlo", Consolas, monospace; font-size: 13px;
  background: var(--code-bg); padding: 2px 6px; border-radius: 3px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }

/* ─── Topbar ─────────────────────────────────────────────────── */
header.topbar {
  background: var(--panel); border-bottom: 1px solid var(--rule);
  position: sticky; top: 0; z-index: 100;
}
.topbar-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; gap: 24px;
  padding: 14px 24px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 14px;
}
.brand {
  color: var(--accent); font-weight: 600; font-size: 16px;
  border-bottom: none;
}
.brand:hover { color: var(--link-hover); }
nav.topnav { display: flex; gap: 18px; flex: 1; }
nav.topnav a { color: var(--text); border-bottom: none; }
nav.topnav a:hover { color: var(--accent); }
form.search-form { display: flex; gap: 6px; }
form.search-form input {
  background: var(--bg); color: var(--text);
  border: 1px solid var(--rule); border-radius: 4px;
  padding: 6px 10px; min-width: 220px; font-family: inherit;
}
form.search-form input:focus { outline: none; border-color: var(--accent); }
form.search-form button {
  background: var(--accent); color: var(--bg);
  border: none; border-radius: 4px; padding: 6px 14px;
  cursor: pointer; font-family: inherit; font-weight: 600;
}

main.content {
  max-width: 1200px; margin: 0 auto;
  padding: 32px 24px 64px;
}

footer {
  border-top: 1px solid var(--rule);
  padding: 24px; margin-top: 64px;
  font-size: 13px; color: var(--muted);
  text-align: center;
  font-family: -apple-system, system-ui, sans-serif;
}
footer span { display: block; margin: 4px 0; }

/* ─── Index ──────────────────────────────────────────────────── */
.hero { text-align: center; padding: 48px 0 32px; }
.hero h1 {
  font-family: "Amiri", "Scheherazade New", serif;
  font-size: 60px; margin: 0; color: var(--accent);
  font-weight: 400;
}
.hero-sub { font-size: 22px; color: var(--text); margin: 8px 0 24px; font-style: italic; }
.hero-body { max-width: 660px; margin: 0 auto; color: var(--muted); }

.books-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px; margin: 40px 0;
}
.book-card {
  background: var(--panel); border: 1px solid var(--rule); border-radius: 8px;
  padding: 28px 24px; text-align: center;
  border-bottom: 1px solid var(--rule);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.book-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.book-card h2 {
  font-family: "Amiri", serif; color: var(--accent); font-size: 36px;
  margin: 0 0 4px; font-weight: 400;
}
.book-card h3 { margin: 0 0 8px; color: var(--text); font-size: 18px; font-weight: 500; }
.book-card p { margin: 4px 0; }

.hint { margin-top: 56px; padding: 24px; background: var(--panel); border-radius: 8px; border: 1px solid var(--rule); }
.hint h3 { margin-top: 0; color: var(--accent); font-family: "Charter", Georgia, serif; }
.examples { list-style: none; padding: 0; }
.examples li { margin: 8px 0; line-height: 1.5; }

/* ─── Book listing ───────────────────────────────────────────── */
.book-header h1 { font-family: "Amiri", serif; color: var(--accent); font-size: 48px;
  margin: 0; font-weight: 400; }
.book-header h2 { margin: 4px 0 16px; color: var(--text); font-weight: 500; }
.surah-list table { width: 100%; border-collapse: collapse; margin-top: 16px;
  font-family: -apple-system, system-ui, sans-serif; font-size: 15px; }
.surah-list th { text-align: left; padding: 10px 12px; color: var(--accent);
  background: var(--panel); border-bottom: 2px solid var(--rule); font-weight: 600; }
.surah-list td { padding: 10px 12px; border-bottom: 1px solid var(--rule); vertical-align: middle; }
.surah-list tr:hover { background: var(--panel-2); }
.surah-list .ar-col { font-family: "Amiri", serif; font-size: 18px; direction: rtl; text-align: right; }
.surah-list a { font-weight: 500; }

/* ─── Surah page ─────────────────────────────────────────────── */
.surah-page { max-width: 1080px; margin: 0 auto; }
.surah-header { padding: 24px 0; border-bottom: 1px solid var(--rule); margin-bottom: 32px; }
.crumbs { font-size: 13px; color: var(--muted); margin-bottom: 16px;
  font-family: -apple-system, system-ui, sans-serif; }
.crumbs a { color: var(--muted); border-bottom: none; }
.crumbs a:hover { color: var(--link-hover); }
.crumbs .sep { margin: 0 8px; opacity: 0.5; }
.surah-header h1.ar { font-family: "Amiri", serif; color: var(--accent);
  font-size: 44px; font-weight: 400; margin: 0 0 8px; direction: rtl; text-align: right; }
.surah-header h2 { margin: 0 0 12px; color: var(--text); font-size: 28px; font-weight: 500; }

.provenance-chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0; }
.chip {
  display: inline-block; padding: 3px 10px; border-radius: 12px;
  font-size: 11px; font-family: -apple-system, system-ui, sans-serif;
  font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  background: var(--panel-2); color: var(--muted); border: 1px solid var(--rule);
}
.chip.prov-cassie { background: rgba(163,190,140,0.12); color: var(--green); border-color: var(--green); }
.chip.prov-iman   { background: rgba(136,192,208,0.12); color: var(--link); border-color: var(--link); }
.chip.prov-darja  { background: rgba(180,142,173,0.12); color: var(--purple); border-color: var(--purple); }
.chip.prov-lora   { background: rgba(208,135,112,0.12); color: #d08770; border-color: #d08770; }
.chip.prov-gpt    { background: rgba(143,188,187,0.12); color: #8fbcbb; border-color: #8fbcbb; }
.chip.contested   { background: rgba(191,97,106,0.15); color: var(--warn); border-color: var(--warn); }
.chip.book-qamar  { background: rgba(235,203,139,0.15); color: var(--accent); border-color: var(--accent); }
.chip.book-tanazur { background: rgba(136,192,208,0.15); color: var(--link); border-color: var(--link); }
.chip.bab, .chip.face, .chip.lang { background: var(--panel-2); color: var(--muted); }
.chip.conversation { background: rgba(180,142,173,0.12); color: var(--purple); border-color: var(--purple); }

.contested-banner {
  background: rgba(191,97,106,0.08); border: 1px solid var(--warn);
  border-radius: 6px; padding: 14px 18px; margin: 16px 0;
}
.contested-banner h4 { margin: 0 0 8px; color: var(--warn); font-size: 14px; }
.contested-banner p { margin: 4px 0; font-size: 14px; }

.surah-layout {
  display: grid; grid-template-columns: 1fr 280px; gap: 40px;
  align-items: start;
}
@media (max-width: 880px) { .surah-layout { grid-template-columns: 1fr; } }

.verses { line-height: 1.75; }
.face-header {
  font-family: "Amiri", serif; color: var(--accent);
  font-size: 22px; font-weight: 400;
  margin: 32px 0 16px; padding-bottom: 8px; border-bottom: 1px solid var(--rule);
}
.verse {
  display: grid; grid-template-columns: 40px 1fr; gap: 12px;
  margin: 24px 0; padding: 16px 0;
  border-top: 1px solid var(--rule);
}
.verse:first-of-type { border-top: none; }
.verse-num { font-family: "Amiri", serif; font-size: 22px; color: var(--accent); }
.verse-heading { font-style: italic; color: var(--muted); margin-bottom: 8px; font-size: 15px; }
.verse-en { margin-bottom: 12px; }
.verse-ar {
  font-family: "Amiri", "Scheherazade New", serif; font-size: 22px; line-height: 1.9;
  direction: rtl; text-align: right; color: #cdd5e0;
  padding-top: 8px; border-top: 1px dashed var(--rule);
}

.surah-sidebar {
  background: var(--panel); border: 1px solid var(--rule); border-radius: 6px;
  padding: 16px 20px; font-size: 14px;
  font-family: -apple-system, system-ui, sans-serif;
  position: sticky; top: 80px;
}
.sidebar-block { margin: 16px 0; }
.sidebar-block:first-child { margin-top: 0; }
.sidebar-block h4 { margin: 0 0 8px; color: var(--accent); font-size: 13px;
  text-transform: uppercase; letter-spacing: 0.05em; }
.sidebar-block ul { list-style: none; padding: 0; margin: 0; }
.sidebar-block li { margin: 4px 0; line-height: 1.4; }
.sidebar-block code { font-size: 11px; }

/* ─── Search page ────────────────────────────────────────────── */
.search-page h1 { color: var(--accent); font-family: "Charter", Georgia, serif; }
.search-options { margin: 24px 0; }
.search-options input[type=text] {
  width: 100%; max-width: 700px;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--rule); border-radius: 6px;
  padding: 12px 16px; font-size: 18px; font-family: inherit;
}
.search-options input[type=text]:focus { outline: none; border-color: var(--accent); }
.search-options .opts { display: flex; gap: 16px; align-items: center; margin-top: 12px;
  font-family: -apple-system, system-ui, sans-serif; font-size: 14px; flex-wrap: wrap; }
.search-options label { display: flex; align-items: center; gap: 6px; }
.search-options select {
  background: var(--bg); color: var(--text);
  border: 1px solid var(--rule); border-radius: 4px;
  padding: 4px 8px; font-family: inherit;
}
.search-options button {
  background: var(--accent); color: var(--bg);
  border: none; border-radius: 4px; padding: 6px 18px;
  cursor: pointer; font-weight: 600;
}

.search-meta { margin: 16px 0; padding: 12px 16px;
  background: var(--panel); border-radius: 6px; font-size: 14px;
  font-family: -apple-system, system-ui, sans-serif; }
.basin-tag { color: var(--accent); margin-right: 12px; }

.results { margin-top: 24px; }
.result {
  background: var(--panel); border: 1px solid var(--rule); border-radius: 6px;
  padding: 16px 20px; margin: 16px 0;
}
.result.is-mushaf { border-left: 3px solid var(--accent); }
.result.is-conversation { border-left: 3px solid var(--purple); }
.result header { display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
  margin-bottom: 10px; font-family: -apple-system, system-ui, sans-serif; }
.result header h3 { margin: 0; font-size: 16px; flex: 1;
  font-family: "Charter", Georgia, serif; }
.result-body { line-height: 1.65; color: var(--text); }
.result-body.ar { font-family: "Amiri", serif; font-size: 20px; direction: rtl;
  text-align: right; line-height: 1.85; }

.signs-pane {
  margin-top: 32px; padding: 16px 20px;
  background: var(--panel-2); border: 1px solid var(--rule); border-radius: 6px;
  font-family: -apple-system, system-ui, sans-serif; font-size: 14px;
}
.signs-pane h4 { margin: 0 0 8px; color: var(--accent); font-size: 13px;
  text-transform: uppercase; letter-spacing: 0.05em; }
.signs-pane ul { list-style: none; padding: 0; margin: 8px 0 0; }
.signs-pane li { margin: 4px 0; }

.error { background: rgba(191,97,106,0.1); border: 1px solid var(--warn);
  color: var(--warn); padding: 12px 16px; border-radius: 6px; margin: 16px 0; }

/* ─── Graph page ─────────────────────────────────────────────── */
.graph-page h1 { color: var(--accent); }
#graph-viz { background: var(--panel); border: 1px solid var(--rule);
  border-radius: 6px; margin: 24px 0; padding: 12px; }

/* ─── Arabic helper ──────────────────────────────────────────── */
.ar, [lang="ar"] {
  font-family: "Amiri", "Scheherazade New", serif;
  direction: rtl; text-align: right;
}