/* ===== AI Tafseer — galactic glass theme =====
   Palette drawn from deep-field imagery: near-black indigo space,
   Pillars-of-Creation dust (rust/amber), oxygen teal, hydrogen magenta. */

:root {
  --bg-0: #030409;
  --bg-1: #070b16;
  --bg-2: #0b1122;
  --dust: rgba(196, 118, 58, 0.14);      /* pillar dust, rust-amber */
  --dust-deep: rgba(122, 62, 38, 0.18);
  --oxygen: rgba(64, 201, 176, 0.10);    /* teal-green nebula glow */
  --hydrogen: rgba(186, 85, 178, 0.10);  /* magenta wisps */
  --glass: rgba(255, 255, 255, 0.045);
  --glass-strong: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.10);
  --cyan: #4be3ff;
  --cyan-soft: rgba(75, 227, 255, 0.35);
  --gold: #e8c46a;
  --gold-soft: rgba(232, 196, 106, 0.4);
  --text-0: #eef4fb;
  --text-1: #b7c3d6;
  --text-2: #7c8aa3;
  --danger: #ff6b6b;
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 200ms cubic-bezier(.4,0,.2,1);
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  --font-arabic: "Amiri", "Scheherazade New", "Traditional Arabic", serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-0);
  color: var(--text-0);
  font-family: var(--font-ui);
  min-height: 100%;
  overflow-x: hidden;
}

body {
  /* deep-field sky: milky-way band on the diagonal, pillar dust rising
     from the lower third, oxygen/hydrogen glow at the edges */
  background:
    linear-gradient(115deg, transparent 38%, rgba(190, 205, 235, 0.045) 47%, rgba(226, 214, 194, 0.06) 50%, rgba(190, 205, 235, 0.045) 53%, transparent 62%),
    radial-gradient(ellipse 34% 58% at 30% 108%, var(--dust-deep), transparent 70%),
    radial-gradient(ellipse 22% 48% at 46% 112%, var(--dust), transparent 72%),
    radial-gradient(ellipse 26% 40% at 62% 110%, var(--dust-deep), transparent 74%),
    radial-gradient(ellipse 70% 55% at 85% -8%, var(--oxygen), transparent 65%),
    radial-gradient(ellipse 60% 45% at 8% 18%, var(--hydrogen), transparent 62%),
    radial-gradient(ellipse 46% 34% at 55% 82%, rgba(232, 196, 106, 0.05), transparent 70%),
    linear-gradient(180deg, var(--bg-0), var(--bg-1) 45%, var(--bg-2));
  background-attachment: fixed;
  animation: bg-shift 45s ease-in-out infinite alternate;
}

@keyframes bg-shift {
  0% { filter: hue-rotate(0deg) brightness(1); }
  100% { filter: hue-rotate(-6deg) brightness(1.05); }
}

/* CSS starfield — base layer + no-JS fallback; canvas adds depth on top */
#stars {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 80% 10%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1.5px 1.5px at 60% 70%, rgba(255,255,255,0.35), transparent),
    radial-gradient(1px 1px at 30% 85%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1.5px 1.5px at 90% 60%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 45% 40%, rgba(255,215,170,0.35), transparent),
    radial-gradient(1px 1px at 15% 55%, rgba(170,200,255,0.3), transparent),
    radial-gradient(2px 2px at 72% 32%, rgba(255,240,220,0.28), transparent);
  background-size: 640px 640px;
  background-repeat: repeat;
  opacity: 0.55;
  animation: twinkle 7s ease-in-out infinite alternate;
}

#galaxy {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

@keyframes twinkle {
  0% { opacity: 0.35; }
  100% { opacity: 0.65; }
}

@media (prefers-reduced-motion: reduce) {
  body, #stars { animation: none; }
}

a { color: inherit; text-decoration: none; }

/* ---- layout shell ---- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.5rem;
  background: rgba(10, 15, 26, 0.55);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--glass-border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.brand-glyph {
  font-family: var(--font-arabic);
  font-size: 1.4rem;
  color: var(--cyan);
  text-shadow: 0 0 14px var(--cyan-soft);
}

.accent-gold { color: var(--gold); }
.accent-cyan { color: var(--cyan); }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-2);
  flex-wrap: wrap;
}

.breadcrumb a { color: var(--text-1); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb .sep { opacity: 0.5; }
.breadcrumb .current { color: var(--text-0); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin-left: auto;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a {
  color: var(--cyan);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
  opacity: 0.85;
  transition: opacity var(--transition), text-shadow var(--transition);
}

.site-nav a:hover {
  opacity: 1;
  text-shadow: 0 0 10px var(--cyan-soft);
}

.site-nav a.icon-link {
  color: var(--gold);
  font-size: 1rem;
  opacity: 0.9;
}
.site-nav a.icon-link:hover {
  opacity: 1;
  text-shadow: 0 0 10px var(--gold-soft);
}

.app {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.75rem 1.25rem 4rem;
  min-height: 70vh;
}

.footer {
  padding: 1rem 1.5rem 2rem;
  text-align: center;
}

.swarm-pulse {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--text-2);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
}

.swarm-pulse .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan-soft);
  animation: pulse-dot 1.8s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: 0.5; }
}

/* ---- glass panel base ---- */

.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  box-shadow: 0 8px 30px rgba(0,0,0,0.25);
}

/* ---- PWA install nudge banner (home page only) ---- */

.install-nudge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  color: var(--text-1);
}

.install-nudge-text { flex: 1 1 auto; }

.install-nudge-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex: 0 0 auto;
}

.install-nudge-btn {
  font: inherit;
  cursor: pointer;
  color: var(--bg-0);
  background: var(--gold);
  border: none;
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 600;
  transition: filter var(--transition);
}
.install-nudge-btn:hover { filter: brightness(1.1); }

.install-nudge-dismiss {
  font: inherit;
  cursor: pointer;
  color: var(--text-2);
  background: transparent;
  border: none;
  font-size: 1.1rem;
  line-height: 1;
  padding: 0.2rem 0.4rem;
  transition: color var(--transition);
}
.install-nudge-dismiss:hover { color: var(--text-0); }

/* ---- HOME: progress ring ---- */

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 2.25rem 1rem 2.5rem;
  text-align: center;
}

.hero h1 {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.hero .sub {
  color: var(--text-2);
  font-size: 0.92rem;
  max-width: 40em;
}

.ring-wrap {
  position: relative;
  width: 240px;
  height: 240px;
  margin: 0.5rem 0;
}

.ring-wrap svg { width: 100%; height: 100%; transform: rotate(-90deg); }

.ring-bg { fill: none; stroke: rgba(255,255,255,0.06); stroke-width: 10; }

.ring-fg {
  fill: none;
  stroke: url(#ringGradient);
  stroke-width: 10;
  stroke-linecap: round;
  filter: drop-shadow(0 0 8px var(--cyan-soft));
  transition: stroke-dashoffset 700ms cubic-bezier(.4,0,.2,1);
}

.ring-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
}

.ring-pct {
  font-size: 2.1rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--cyan), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.ring-count { font-size: 0.8rem; color: var(--text-2); }

.pulse-widget {
  display: flex;
  gap: 1.5rem;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-1);
  flex-wrap: wrap;
  justify-content: center;
}

.pulse-widget b { color: var(--cyan); font-weight: 700; }

/* ---- CONTINUE READING card (home hero) ---- */

.continue-card {
  margin: 1rem auto 0;
  padding: 0.9rem 1.5rem;
  max-width: 520px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  text-align: center;
}

.continue-label {
  font-size: 0.7rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-2);
}

.continue-link {
  color: var(--cyan);
  font-size: 0.98rem;
  font-weight: 600;
  overflow-wrap: anywhere;
}
.continue-link:hover { text-shadow: 0 0 10px var(--cyan-soft); }

/* ---- surah grid ---- */

.surah-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.surah-card {
  position: relative;
  padding: 1rem 0.9rem;
  border-radius: var(--radius);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
  overflow: hidden;
}

.surah-card:hover {
  transform: translateY(-3px);
  border-color: var(--cyan-soft);
  box-shadow: 0 10px 30px rgba(75, 227, 255, 0.12);
  background: var(--glass-strong);
}

.surah-card.complete {
  border-color: var(--gold-soft);
  box-shadow: 0 0 0 1px var(--gold-soft), 0 0 22px rgba(232, 196, 106, 0.18);
}
.surah-card.complete:hover {
  box-shadow: 0 0 0 1px var(--gold), 0 0 30px rgba(232, 196, 106, 0.3);
}

.surah-card.empty {
  opacity: 0.45;
}
.surah-card.empty:hover { opacity: 0.75; }

.surah-card .num {
  /* top-left chip: Arabic surah names render RTL from the right edge,
     so the left corner is the collision-free spot */
  position: absolute;
  top: 0.55rem;
  left: 0.6rem;
  font-size: 0.68rem;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  line-height: 1.4;
}

.surah-card .ar-name {
  padding-left: 2.4rem; /* keep long Arabic names clear of the number chip */
}

.surah-card .ar-name {
  font-family: var(--font-arabic);
  font-size: 1.6rem;
  direction: rtl;
  color: var(--text-0);
  line-height: 1.3;
}

.surah-card .en-name {
  font-size: 0.85rem;
  color: var(--text-1);
  font-weight: 600;
}

.surah-card .meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  margin-top: auto;
}

.badge {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  color: var(--text-2);
}
.badge.makkah { color: var(--gold); border-color: var(--gold-soft); }
.badge.madinah { color: var(--cyan); border-color: var(--cyan-soft); }

.mini-bar {
  height: 5px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
  margin-top: 0.3rem;
}
.mini-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
  border-radius: 999px;
  transition: width var(--transition);
}

.cov-label {
  font-size: 0.65rem;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

/* ---- SURAH view ---- */

.surah-header {
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.surah-header .titles {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.surah-header .ar-name {
  font-family: var(--font-arabic);
  font-size: 2rem;
  direction: rtl;
}

.surah-header .en-name {
  font-size: 1rem;
  color: var(--text-1);
}

.surah-header .stats {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.4rem;
  min-width: 180px;
}

.verse-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(46px, 1fr));
  gap: 0.5rem;
}

.chip {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  border-radius: var(--radius-sm);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text-2);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
}

.chip:hover { transform: translateY(-2px); }

.chip.done {
  color: var(--bg-0);
  background: linear-gradient(135deg, var(--cyan), #7ff0ff);
  border-color: var(--cyan);
  box-shadow: 0 0 12px var(--cyan-soft);
  font-weight: 700;
}
.chip.done:hover { box-shadow: 0 0 20px var(--cyan-soft); }

.chip.pending {
  opacity: 0.55;
}

.chip[title] { cursor: help; }

/* ---- VERSE view ---- */

.verse-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text-1);
  cursor: pointer;
  font-size: 0.85rem;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.nav-btn:hover:not(.disabled) {
  border-color: var(--cyan-soft);
  color: var(--cyan);
  background: var(--glass-strong);
}
.nav-btn.disabled {
  opacity: 0.3;
  cursor: default;
  pointer-events: none;
}

.verse-locator {
  font-size: 0.85rem;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

.verse-locator-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ---- bookmark star toggle (verse-nav top bar + Quran reader rows) ---- */

.bookmark-star {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  min-height: 34px;
  padding: 0;
  background: none;
  border: none;
  border-radius: 999px;
  color: var(--text-2);
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
  transition: color var(--transition), text-shadow var(--transition), background var(--transition);
}
.bookmark-star:hover { color: var(--gold-soft); background: var(--glass); }
.bookmark-star.active { color: var(--gold); text-shadow: 0 0 10px var(--gold-soft); }

.verse-panel {
  padding: 2rem 1.75rem;
  margin-bottom: 1.25rem;
  text-align: center;
}

.verse-arabic {
  font-family: var(--font-arabic);
  font-size: 2.3rem;
  line-height: 2.1;
  direction: rtl;
  color: var(--text-0);
  text-shadow: 0 0 20px rgba(75, 227, 255, 0.08);
}

.verse-translation {
  margin-top: 1.1rem;
  font-style: italic;
  color: var(--text-1);
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: 46em;
  margin-left: auto;
  margin-right: auto;
}

.fade-in {
  animation: fadein 450ms ease both;
}
@keyframes fadein {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.tafseer-sections {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tafseer-panel {
  padding: 0;
  /* no overflow:hidden - it clipped glossary tooltips at panel edges;
     rounded corners are preserved on the header via its own radius */
}

.tafseer-panel .tafseer-panel-header {
  border-radius: var(--radius) var(--radius) 0 0;
}
.tafseer-panel.collapsed .tafseer-panel-header {
  border-radius: var(--radius);
}

.tafseer-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.9rem 1.25rem;
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid var(--glass-border);
}

.tafseer-panel-header h3 {
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: var(--cyan);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tafseer-panel-header .chev {
  color: var(--text-2);
  transition: transform var(--transition);
  font-size: 0.8rem;
}

.tafseer-panel.collapsed .chev { transform: rotate(-90deg); }
.tafseer-panel.collapsed .tafseer-panel-body { display: none; }

.tafseer-panel-body {
  padding: 1.1rem 1.25rem 1.4rem;
  color: var(--text-1);
  font-size: 0.95rem;
  line-height: 1.75;
}

.tafseer-panel-body p { margin: 0 0 0.85em; }
.tafseer-panel-body p:last-child { margin-bottom: 0; }
.tafseer-panel-body strong { color: var(--text-0); font-weight: 700; }
.tafseer-panel-body em { color: var(--gold); font-style: italic; }
.tafseer-panel-body ul, .tafseer-panel-body ol { margin: 0.5em 0 0.85em; padding-left: 1.3em; }
.tafseer-panel-body li { margin-bottom: 0.35em; }
.tafseer-panel-body blockquote {
  margin: 0.7em 0;
  padding: 0.5em 1em;
  border-left: 3px solid var(--cyan-soft);
  background: rgba(255,255,255,0.03);
  border-radius: 0 8px 8px 0;
  color: var(--text-1);
}
.tafseer-panel-body code {
  background: rgba(255,255,255,0.06);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}

.verse-title {
  font-size: 0.95rem;
  color: var(--text-2);
  margin-bottom: 0.75rem;
  text-align: center;
}

/* pending placeholder */

.pending-placeholder {
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--text-2);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
}

.pending-orb {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--cyan-soft), transparent 70%);
  border: 1px solid var(--cyan-soft);
  animation: orb-pulse 1.6s ease-in-out infinite;
}

@keyframes orb-pulse {
  0%, 100% { box-shadow: 0 0 10px var(--cyan-soft); transform: scale(1); }
  50% { box-shadow: 0 0 26px var(--cyan-soft); transform: scale(1.08); }
}

.pending-placeholder .msg { font-size: 0.95rem; }
.pending-placeholder .sub { font-size: 0.78rem; color: var(--text-2); opacity: 0.8; }

/* generic states */

.loading-row {
  display: flex;
  justify-content: center;
  padding: 3rem 0;
  color: var(--text-2);
  font-size: 0.9rem;
}

.error-row {
  padding: 2rem;
  text-align: center;
  color: var(--danger);
}

/* responsive */

@media (max-width: 640px) {
  .topbar { padding: 0.7rem 1rem; flex-wrap: wrap; }
  .app { padding: 1.25rem 0.75rem 3rem; }
  .ring-wrap { width: 190px; height: 190px; }
  .ring-pct { font-size: 1.6rem; }
  .verse-arabic { font-size: 1.7rem; line-height: 1.9; }
  .surah-header .ar-name { font-size: 1.5rem; }
  .surah-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
  .verse-panel { padding: 1.5rem 1rem; }
}

.disclosure{max-width:720px;margin:14px auto 0;font-size:12.5px;line-height:1.55;
  color:var(--muted);text-align:center;border-top:1px solid var(--line);padding-top:12px}

/* hover-reveal contact email on the footer "welcome" word */
.contact-reveal { position: relative; cursor: help; border-bottom: 1px dotted var(--text-2); }
.contact-reveal .contact-email {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) translateY(3px);
  padding: 0.3rem 0.7rem;
  border-radius: 8px;
  background: rgba(10, 15, 26, 0.92);
  border: 1px solid var(--glass-border);
  color: var(--cyan);
  font-size: 0.78rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}
.contact-reveal:hover .contact-email,
.contact-reveal:focus-within .contact-email {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

/* ---- cross-reference verse links (auto-linked in tafseer bodies) ---- */

.verse-ref {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dotted var(--cyan-soft);
  transition: color var(--transition), text-shadow var(--transition), border-color var(--transition);
}
.verse-ref:hover {
  color: #7ff0ff;
  border-color: var(--cyan);
  text-shadow: 0 0 8px var(--cyan-soft);
}

/* ---- glossary hover terms (in tafseer bodies) ---- */

.gloss {
  position: relative;
  cursor: help;
  color: var(--gold);
  border-bottom: 1px dotted var(--gold-soft);
}
.gloss .gloss-tip {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(calc(-50% + var(--tip-shift, 0px))) translateY(3px);
  width: max-content;
  max-width: min(240px, calc(100vw - 24px));
  padding: 0.45rem 0.7rem;
  border-radius: 8px;
  background: rgba(10, 15, 26, 0.95);
  border: 1px solid var(--glass-border);
  color: var(--text-0);
  font-size: 0.75rem;
  line-height: 1.4;
  font-style: normal;
  font-weight: 400;
  text-align: left;
  opacity: 0;
  pointer-events: none;
  z-index: 5;
  transition: opacity var(--transition), transform var(--transition);
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}
.gloss:hover .gloss-tip,
.gloss:focus-within .gloss-tip {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(calc(-50% + var(--tip-shift, 0px))) translateY(0);
}

/* ---- QURAN READER ---- */

.quran-intro {
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  text-align: center;
}
.quran-intro h1 { margin: 0 0 0.4rem; font-size: 1.4rem; }
.quran-intro p { margin: 0; color: var(--text-2); font-size: 0.9rem; }

.quran-verse-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.qv-row {
  padding: 1.1rem 1.25rem;
  border-radius: var(--radius);
}

.qv-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.7rem;
}

.qv-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 30px;
  padding: 0 0.4rem;
  border-radius: 999px;
  background: var(--glass-strong);
  border: 1px solid var(--glass-border);
  color: var(--cyan);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.qv-chip:hover { border-color: var(--cyan-soft); box-shadow: 0 0 10px var(--cyan-soft); }

.qv-head-right {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.qv-tafseer-link {
  font-size: 0.78rem;
  color: var(--gold);
  opacity: 0.85;
  transition: opacity var(--transition);
}
.qv-tafseer-link:hover { opacity: 1; text-shadow: 0 0 8px var(--gold-soft); }

.qv-arabic {
  font-family: var(--font-arabic);
  font-size: 1.7rem;
  line-height: 2.1;
  direction: rtl;
  text-align: right;
  color: var(--text-0);
}

.qv-translation {
  margin-top: 0.55rem;
  font-style: italic;
  color: var(--text-1);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ---- GLOSSARY page ---- */

.glossary-intro {
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  text-align: center;
}
.glossary-intro h1 { margin: 0 0 0.4rem; font-size: 1.4rem; }
.glossary-intro p { margin: 0; color: var(--text-2); font-size: 0.9rem; }

.glossary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.9rem;
}

.glossary-card {
  padding: 1rem 1.15rem;
  border-radius: var(--radius);
}
.glossary-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  color: var(--gold);
}
.glossary-card p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-1);
}

/* ---- BOOKMARKS page ---- */

.bookmarks-intro {
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  text-align: center;
}
.bookmarks-intro h1 { margin: 0 0 0.4rem; font-size: 1.4rem; }
.bookmarks-intro .sub { margin: 0; color: var(--text-2); font-size: 0.9rem; }

.offline-download-wrap {
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  text-align: center;
}

.offline-download-btn {
  font: inherit;
  cursor: pointer;
  color: var(--bg-0);
  background: linear-gradient(120deg, var(--cyan), var(--gold));
  border: none;
  border-radius: 999px;
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 600;
  transition: filter var(--transition);
}
.offline-download-btn:hover { filter: brightness(1.08); }

.offline-download-hint { color: var(--text-2); font-size: 0.78rem; }

.offline-download-status { color: var(--text-1); font-size: 0.88rem; }

.backup-restore { padding: 1.25rem 1.5rem; margin-bottom: 1.5rem; }
.backup-restore-title { margin: 0 0 0.4rem; font-size: 1.05rem; color: var(--gold); }
.backup-restore-note { margin: 0 0 0.9rem; color: var(--text-2); font-size: 0.85rem; line-height: 1.6; }

.backup-row, .restore-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}
.restore-row { margin-bottom: 0; }

.backup-code {
  flex: 1 1 220px;
  min-width: 180px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.75rem;
  color: var(--text-1);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.65rem;
}
.backup-code:focus { outline: 1px solid var(--cyan-soft); }

.restore-error {
  flex-basis: 100%;
  color: var(--danger);
  font-size: 0.8rem;
}

.bookmarks-empty { padding: 1.5rem 1.75rem; }
.bookmarks-empty p { color: var(--text-1); font-size: 0.92rem; line-height: 1.7; margin: 0 0 0.7rem; }
.bookmarks-empty p:last-child { margin-bottom: 0; }
.bookmarks-empty a { color: var(--cyan); border-bottom: 1px dotted var(--cyan-soft); }
.bookmarks-empty a:hover { text-shadow: 0 0 8px var(--cyan-soft); }

.bookmark-group {
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}
.bookmark-group-title { margin: 0 0 0.8rem; font-size: 1.05rem; color: var(--gold); }

.bookmark-rows {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.bookmark-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--glass-border);
}
.bookmark-row:last-child { border-bottom: none; }

.bookmark-ref {
  color: var(--cyan);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.bookmark-ref:hover { text-shadow: 0 0 8px var(--cyan-soft); }

.mode-chip {
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  color: var(--text-1);
}
.mode-chip.tafseer { color: var(--cyan); border-color: var(--cyan-soft); }
.mode-chip.quran { color: var(--gold); border-color: var(--gold-soft); }

.bookmark-time {
  font-size: 0.78rem;
  color: var(--text-2);
  margin-left: auto;
}

.bookmark-remove {
  background: none;
  border: none;
  color: var(--text-2);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  transition: color var(--transition);
}
.bookmark-remove:hover { color: var(--danger); }

/* ---- START HERE page ---- */

.start-here {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.start-here .hero {
  padding: 2rem 1.25rem;
}
.start-here section.glass {
  padding: 1.5rem 1.75rem;
}
.start-here h2 {
  margin: 0 0 0.7rem;
  font-size: 1.1rem;
  color: var(--cyan);
}
.start-here p, .start-here li {
  color: var(--text-1);
  font-size: 0.92rem;
  line-height: 1.7;
}
.start-here ul, .start-here ol {
  margin: 0.4rem 0 0;
  padding-left: 1.3em;
}
.start-here .begin-list a {
  color: var(--cyan);
  border-bottom: 1px dotted var(--cyan-soft);
}
.start-here .begin-list a:hover { text-shadow: 0 0 8px var(--cyan-soft); }

/* responsive: site-nav / quran reader */

@media (max-width: 640px) {
  .site-nav { gap: 0.75rem; width: 100%; justify-content: center; order: 3; margin-left: 0; }
  .breadcrumb { order: 2; }
  .brand { order: 1; }
  .qv-arabic { font-size: 1.4rem; line-height: 1.9; }
}

/* Quran reader transliteration line */
.qv-translit {
  color: var(--gold);
  opacity: 0.85;
  font-size: 0.88rem;
  font-style: italic;
  letter-spacing: 0.01em;
  margin: 0.35rem 0 0.15rem;
}

/* Related Verses panel (embedding neighbors) */
.related-panel { padding: 1rem 1.25rem; margin-top: 1rem; }
.related-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gold);
  margin-bottom: 0.6rem;
}
.related-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.related-chip {
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--cyan);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.related-chip:hover {
  border-color: var(--cyan-soft);
  box-shadow: 0 0 12px rgba(75, 227, 255, 0.15);
  transform: translateY(-1px);
}

/* translated surah name (meaning) on cards */
.surah-card .tr-name {
  font-size: 0.72rem;
  color: var(--text-2);
  font-style: italic;
  margin-top: -0.25rem;
}

/* ===== Research cards: Science & Scriptures ===== */

.preview-banner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  margin-bottom: 1.25rem;
  border-color: var(--gold-soft);
  color: var(--text-1);
  font-size: 0.85rem;
}

.preview-flag {
  flex: 0 0 auto;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--gold-soft);
  color: var(--gold);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.cards-intro {
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}
.cards-intro h1 { margin: 0 0 0.5rem; }
.cards-intro p { margin: 0; color: var(--text-1); max-width: 70ch; }

/* ---- review toolbar ---- */

.review-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  margin-bottom: 1rem;
}

.review-counts {
  display: flex;
  gap: 1rem;
  font-size: 0.82rem;
  flex-wrap: wrap;
}
.rc.approved { color: var(--cyan); }
.rc.flagged { color: var(--danger); }
.rc.unreviewed { color: var(--text-2); }

.only-unreviewed {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--text-1);
  cursor: pointer;
}

.export-btn {
  margin-left: auto;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--glass);
  border: 1px solid var(--cyan-soft);
  color: var(--cyan);
  font-size: 0.82rem;
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition);
}
.export-btn:hover { background: var(--glass-strong); box-shadow: 0 0 12px var(--cyan-soft); }

/* ---- filter bar ---- */

.filter-bar {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-chip {
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text-1);
  font-size: 0.78rem;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.filter-chip:hover { border-color: var(--cyan-soft); }
.filter-chip.active {
  color: var(--bg-0);
  background: linear-gradient(135deg, var(--cyan), var(--gold));
  border-color: transparent;
  font-weight: 700;
}

/* ---- card grid ---- */

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

.research-card {
  padding: 1.1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: transform var(--transition), border-color var(--transition);
}
.research-card:hover { border-color: var(--cyan-soft); }

.card-link { display: flex; flex-direction: column; gap: 0.45rem; }

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.ref-chip {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--cyan-soft);
  color: var(--cyan);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
}
.ref-chip.bible-ref { border-color: var(--gold-soft); color: var(--gold); }
.ref-arrow { color: var(--text-2); font-size: 0.8rem; }

.card-title {
  margin: 0;
  font-size: 1.02rem;
  color: var(--text-0);
  line-height: 1.35;
}

.card-sub {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-1);
  line-height: 1.5;
}

.cat-chip {
  display: inline-block;
  align-self: flex-start;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  color: var(--text-2);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---- tier badges: T1 cyan, T2 gold, T3 muted red ---- */

.tier-badge {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
}
.tier-badge.t1 { color: var(--cyan); border-color: var(--cyan-soft); text-shadow: 0 0 8px var(--cyan-soft); }
.tier-badge.t2 { color: var(--gold); border-color: var(--gold-soft); text-shadow: 0 0 8px var(--gold-soft); }
.tier-badge.t3 { color: var(--danger); border-color: rgba(255, 107, 107, 0.35); opacity: 0.85; }
.tier-badge.t-none { color: var(--text-2); border-color: var(--glass-border); }

/* ---- approve / flag review controls ---- */

.review-row {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.2rem;
}
.review-row.big { margin-top: 1rem; }

.review-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-sm);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text-2);
  font-size: 0.8rem;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.review-row.big .review-btn { padding: 0.55rem 1rem; font-size: 0.85rem; }
.review-btn:hover { color: var(--text-0); }
.review-btn.approve.active {
  color: var(--bg-0);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 700;
}
.review-btn.flag.active {
  color: var(--bg-0);
  background: var(--danger);
  border-color: var(--danger);
  font-weight: 700;
}

/* ---- card detail header ---- */

.card-detail-header {
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

.cdh-top {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.cdh-phenomenon {
  color: var(--text-1);
  font-size: 0.85rem;
}

.card-detail-header h1 {
  margin: 0 0 0.4rem;
  font-size: 1.5rem;
}

.cdh-authorline {
  font-size: 0.75rem;
  color: var(--text-2);
}

.curator-hint {
  display: inline-block;
  margin-bottom: 0.6rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  background: rgba(232, 196, 106, 0.08);
  border: 1px dotted var(--gold-soft);
  color: var(--gold);
  font-size: 0.75rem;
}

/* ---- toast ---- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 2rem;
  transform: translate(-50%, 12px);
  padding: 0.7rem 1.2rem;
  border-radius: var(--radius-sm);
  background: rgba(10, 15, 26, 0.92);
  border: 1px solid var(--cyan-soft);
  color: var(--text-0);
  font-size: 0.85rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease, transform 200ms ease;
  z-index: 100;
  box-shadow: 0 8px 30px rgba(0,0,0,0.35);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 640px) {
  .card-grid { grid-template-columns: 1fr; }
  .export-btn { margin-left: 0; }
}

/* bottom navigation bar (verse pages + quran reader) */
.verse-nav-bottom { margin-top: 1.25rem; }

/* reset reading progress link (bookmarks page) */
.reset-link { color: var(--text-2); font-size: 0.8rem; margin-left: 0.6rem; border-bottom: 1px dotted var(--text-2); }
.reset-link:hover { color: var(--danger); border-color: var(--danger); }
.reset-link.armed { color: var(--danger); border-color: var(--danger); }

/* the progress ring links to bookmarks/progress management */
a.ring-wrap { display: block; cursor: pointer; transition: transform var(--transition), filter var(--transition); }
a.ring-wrap:hover { transform: scale(1.02); filter: drop-shadow(0 0 14px rgba(75, 227, 255, 0.25)); }