/* ==========================================================================
   Quran app stylesheet
   --------------------------------------------------------------------------
   Replaces the Tailwind Play CDN (a ~120KB render-blocking script that
   compiles CSS in the browser). Only the utilities this app actually uses are
   included here, so first paint needs no third-party JS at all.

   1. Design tokens & base
   2. Utilities (the Tailwind subset in use)
   3. Components
   4. Responsive variants
   ========================================================================== */

/* ------------------------------ 1. tokens ------------------------------- */
:root {
  --bg-1: #064e3b;
  --bg-2: #065f46;
  --bg-3: #047857;
  --accent: #fbbf24;
  --accent-2: #f59e0b;
  --text: #fef3c7;
  --card: rgba(6, 78, 59, 0.55);
  --radius: 1.25rem;
  --font-ayah: 'Amiri', serif;
  --font-trans: 'Vazirmatn', sans-serif;
  --font-ui: 'Vazirmatn', 'Segoe UI', Tahoma, sans-serif;
  --line-ayah: 2.4;
  --line-trans: 1.9;
  --shadow: 0 18px 50px -18px rgba(0, 0, 0, 0.45);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  border: 0 solid rgba(148, 163, 184, 0.35);
}

html {
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-ui);
  color: var(--text);
  background: linear-gradient(135deg, var(--bg-1) 0%, var(--bg-2) 50%, var(--bg-3) 100%);
  background-attachment: fixed;
  transition: background 0.3s, color 0.3s;
  overflow-x: hidden;
}

body.no-scroll {
  overflow: hidden;
}

h1, h2, h3, h4, p, figure {
  margin: 0;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

input,
select,
textarea {
  font: inherit;
  color: inherit;
}

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

img,
svg {
  display: block;
  max-width: 100%;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.5);
  border-radius: 4px;
}

::selection {
  background: var(--accent);
  color: #111;
}

/* ------------------------------ 2. utilities ---------------------------- */
/* layout / display (`.hidden` intentionally last so toggles work) */
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }
.flex { display: flex; }
.grid { display: grid; }
.hidden { display: none; }

.flex-1 { flex: 1 1 0%; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-shrink-0 { flex-shrink: 0; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.inset-0 { inset: 0; }
.top-0 { top: 0; }
.top-2 { top: 0.5rem; }
.bottom-6 { bottom: 1.5rem; }
.left-1\/2 { left: 50%; }
.mx-auto { margin-left: auto; margin-right: auto; }
.overflow-hidden { overflow: hidden; }
.overflow-y-auto { overflow-y: auto; }
.cursor-pointer { cursor: pointer; }

.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

/* spacing */
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-2\.5 { padding: 0.625rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-1\.5 { padding-top: 0.375rem; padding-bottom: 0.375rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-2\.5 { padding-top: 0.625rem; padding-bottom: 0.625rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-5 { padding-top: 1.25rem; padding-bottom: 1.25rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-10 { padding-top: 2.5rem; padding-bottom: 2.5rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.pt-1 { padding-top: 0.25rem; }
.pt-2 { padding-top: 0.5rem; }
.pt-3 { padding-top: 0.75rem; }
.pt-4 { padding-top: 1rem; }
.pb-2 { padding-bottom: 0.5rem; }
.pb-3 { padding-bottom: 0.75rem; }
.pl-4 { padding-left: 1rem; }
.pr-4 { padding-right: 1rem; }
.pr-10 { padding-right: 2.5rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }
.mt-auto { margin-top: auto; }
.gap-1 { gap: 0.25rem; }
.gap-1\.5 { gap: 0.375rem; }
.gap-2 { gap: 0.5rem; }
.gap-2\.5 { gap: 0.625rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.space-y-1 > * + * { margin-top: 0.25rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-5 > * + * { margin-top: 1.25rem; }

/* sizing */
.w-4 { width: 1rem; }
.w-5 { width: 1.25rem; }
.w-6 { width: 1.5rem; }
.w-7 { width: 1.75rem; }
.w-8 { width: 2rem; }
.w-9 { width: 2.25rem; }
.w-10 { width: 2.5rem; }
.w-11 { width: 2.75rem; }
.w-12 { width: 3rem; }
.w-16 { width: 4rem; }
.w-full { width: 100%; }
.h-1\.5 { height: 0.375rem; }
.h-2 { height: 0.5rem; }
.h-4 { height: 1rem; }
.h-5 { height: 1.25rem; }
.h-6 { height: 1.5rem; }
.h-7 { height: 1.75rem; }
.h-8 { height: 2rem; }
.h-9 { height: 2.25rem; }
.h-10 { height: 2.5rem; }
.h-11 { height: 2.75rem; }
.h-12 { height: 3rem; }
.h-16 { height: 4rem; }
.h-full { height: 100%; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-xl { max-width: 36rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-7xl { max-width: 80rem; }
.min-w-0 { min-width: 0; }
.max-h-\[90vh\] { max-height: 90vh; }
.max-h-\[92vh\] { max-height: 92vh; }

/* typography */
.text-\[10px\] { font-size: 10px; line-height: 1.5; }
.text-\[11px\] { font-size: 11px; line-height: 1.5; }
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.35rem; }
.text-base { font-size: 1rem; line-height: 1.6rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-\[700\] { font-weight: 700; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.leading-loose { line-height: 2; }
.leading-relaxed { line-height: 1.625; }
.leading-none { line-height: 1; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.whitespace-nowrap { white-space: nowrap; }

/* colour + effects */
.text-white { color: #fff; }
.text-red-700 { color: #b91c1c; }
.text-emerald-400 { color: #34d399; }
.bg-red-100 { background-color: #fee2e2; }
.bg-black\/10 { background-color: rgba(0, 0, 0, 0.1); }
.bg-black\/20 { background-color: rgba(0, 0, 0, 0.2); }
.bg-black\/60 { background-color: rgba(0, 0, 0, 0.6); }
.bg-black\/70 { background-color: rgba(0, 0, 0, 0.7); }
.bg-white\/10 { background-color: rgba(255, 255, 255, 0.1); }
.bg-emerald-500\/30 { background-color: rgba(16, 185, 129, 0.3); }
.opacity-40 { opacity: 0.4; }
.opacity-50 { opacity: 0.5; }
.opacity-60 { opacity: 0.6; }
.opacity-70 { opacity: 0.7; }
.opacity-80 { opacity: 0.8; }
.opacity-90 { opacity: 0.9; }
.border { border-width: 1px; }
.border-2 { border-width: 2px; }
.border-4 { border-width: 4px; }
.border-t { border-top-width: 1px; }
.border-b { border-bottom-width: 1px; }
.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-3xl { border-radius: 1.5rem; }
.rounded-full { border-radius: 9999px; }
.shadow-sm { box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.15); }
.shadow-lg { box-shadow: 0 10px 20px -6px rgba(0, 0, 0, 0.35); }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.45); }
.z-10 { z-index: 10; }
.z-50 { z-index: 50; }
.z-\[100\] { z-index: 100; }
.z-\[300\] { z-index: 300; }
.z-\[400\] { z-index: 400; }
.transition-all { transition: all 0.3s; }
.transition-transform { transition: transform 0.3s; }
.transform { transform: translateZ(0); }
.-translate-x-1\/2 { transform: translateX(-50%); }
.translate-y-2 { transform: translateY(0.5rem); }
.animate-spin { animation: spin 1s linear infinite; }
.animate-none { animation: none; }
.ring-2 { outline: 2px solid var(--accent); outline-offset: 2px; }
.ring-offset-1 { }
.focus\:outline-none:focus { outline: none; }
.focus\:ring-2:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.hover\:scale-105:hover { transform: scale(1.05); }
.hover\:scale-110:hover { transform: scale(1.1); }
.hover\:bg-black\/10:hover { background-color: rgba(0, 0, 0, 0.1); }
.group:hover .group-hover\:scale-110 { transform: scale(1.1); }
.group:hover .group-hover\:text-white { color: #fff; }

.bg-gradient-to-l { background-image: linear-gradient(to left, var(--g-from, transparent), var(--g-to, transparent)); }
.bg-gradient-to-r { background-image: linear-gradient(to right, var(--g-from, transparent), var(--g-to, transparent)); }
.bg-gradient-to-t { background-image: linear-gradient(to top, var(--g-from, transparent), var(--g-to, transparent)); }
.from-emerald-500 { --g-from: #10b981; }
.to-emerald-600 { --g-to: #059669; }
.from-blue-500 { --g-from: #3b82f6; }
.to-blue-600 { --g-to: #2563eb; }
.from-purple-500 { --g-from: #a855f7; }
.to-purple-600 { --g-to: #9333ea; }
.from-amber-500 { --g-from: #f59e0b; }
.to-orange-500 { --g-to: #f97316; }
.from-red-500 { --g-from: #ef4444; }
.to-red-600 { --g-to: #dc2626; }
.from-slate-500 { --g-from: #64748b; }
.to-slate-600 { --g-to: #475569; }

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ------------------------------ 3. components --------------------------- */
.glass {
  background: var(--card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.accent { color: var(--accent); }
.accent-bg { background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.rounded-theme { border-radius: var(--radius); }
.font-ayah { font-family: var(--font-ayah); }
.font-trans { font-family: var(--font-trans); }
.progress-bar {
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  transition: width 0.3s ease;
}

.ayah-text {
  line-height: var(--line-ayah);
}

.ayah-card {
  transition: transform 0.25s, box-shadow 0.25s;
  border-radius: var(--radius);
}
.ayah-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* surah / page / ayah links are real anchors so they can be opened in a new
   tab, bookmarked or shared. */
.card-link {
  display: block;
  border-radius: var(--radius);
  transition: transform 0.2s, box-shadow 0.2s;
}
.card-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.card-link:active {
  transform: scale(0.985);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.15rem 0.6rem;
  border-radius: 9999px;
  background: rgba(0, 0, 0, 0.18);
  font-size: 0.7rem;
  font-weight: 700;
  white-space: nowrap;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.3rem;
  height: 2.3rem;
  flex: 0 0 auto;
  border-radius: 9999px;
  background: var(--card);
  backdrop-filter: blur(20px);
  transition: transform 0.2s, background 0.2s;
}
.icon-btn:hover {
  transform: scale(1.06);
}
.icon-btn:active {
  transform: scale(0.95);
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: 0.9rem;
  font-weight: 700;
  font-size: 0.9rem;
  transition: transform 0.15s, filter 0.2s;
}
.btn:active { transform: scale(0.985); }
.btn:hover { filter: brightness(1.08); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #14110a; }
.btn-ghost { background: rgba(127, 127, 127, 0.16); }
.btn-danger { background: rgba(239, 68, 68, 0.16); color: #fca5a5; }
.btn[disabled] { opacity: 0.55; cursor: default; filter: none; }

.field {
  width: 100%;
  padding: 0.6rem 0.85rem;
  border-radius: 0.85rem;
  background: rgba(127, 127, 127, 0.14);
  border: 1px solid var(--accent);
  outline: none;
}
.field:focus { box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.12); }
select.field {
  appearance: none;
  -webkit-appearance: none;
  padding-inline-end: 2.1rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: left 0.7rem center;
  background-size: 1rem 1rem;
}

.field-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  opacity: 0.92;
}

.range {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 9999px;
  background: rgba(127, 127, 127, 0.3);
  outline: none;
}
.range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-1);
  cursor: pointer;
}
.range::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border: 2px solid var(--bg-1);
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}

input[type='color'].swatch {
  width: 100%;
  height: 2.4rem;
  padding: 0;
  border: 1px solid var(--accent);
  border-radius: 0.7rem;
  background: none;
  cursor: pointer;
}

/* settings tabs */
.tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0.25rem;
  border-radius: 0.9rem;
  background: rgba(127, 127, 127, 0.16);
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  flex: 1 0 auto;
  padding: 0.45rem 0.7rem;
  border-radius: 0.7rem;
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
  opacity: 0.65;
}
.tab.active {
  opacity: 1;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #14110a;
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* theme swatches */
.theme-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.45rem;
}
@media (min-width: 640px) {
  .theme-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}
.theme-swatch {
  position: relative;
  height: 3.1rem;
  border-radius: 0.8rem;
  border: 2px solid transparent;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 0.2rem;
  font-size: 9px;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.7);
  overflow: hidden;
}
.theme-swatch.is-active {
  border-color: #fff;
  box-shadow: 0 0 0 2px var(--accent);
}

/* logo */
.logo-mark {
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px -6px rgba(0, 0, 0, 0.6);
}

/* loading skeleton */
.skeleton {
  position: relative;
  overflow: hidden;
  background: rgba(127, 127, 127, 0.16);
  border-radius: var(--radius);
}
.skeleton::after {
  content: '';
  position: absolute;
  inset: 0;
  transform: translateX(100%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
  animation: shimmer 1.4s infinite;
}
@keyframes shimmer {
  100% { transform: translateX(-100%); }
}

/* splash */
#splash {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  background: linear-gradient(150deg, var(--bg-1), var(--bg-2) 55%, var(--bg-3));
  transition: opacity 0.5s ease, visibility 0.5s;
}
#splash.done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.splash-logo {
  width: 108px;
  height: 108px;
  animation: splashPulse 2.2s ease-in-out infinite;
}
.splash-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.5px;
}
.splash-sub {
  font-size: 0.8rem;
  opacity: 0.7;
}
.splash-bar {
  width: 180px;
  height: 4px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.15);
  overflow: hidden;
}
.splash-bar > span {
  display: block;
  height: 100%;
  width: 30%;
  border-radius: 9999px;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  animation: splashSlide 1.3s ease-in-out infinite;
}
@keyframes splashPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}
@keyframes splashSlide {
  0% { transform: translateX(-110%); }
  100% { transform: translateX(360%); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.float-anim { animation: float 6s ease-in-out infinite; }

/* toast */
#toastHost {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%);
  z-index: 600;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
  pointer-events: none;
  width: max-content;
  max-width: 92vw;
}
.toast {
  padding: 0.55rem 1rem;
  border-radius: 0.85rem;
  background: var(--card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  box-shadow: var(--shadow);
  animation: toastIn 0.25s ease;
}
@keyframes toastIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

/* ===== presentation mode ===== */
#presentationMode {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  flex-direction: column;
  background: linear-gradient(135deg, var(--bg-1), var(--bg-3));
  touch-action: pan-y;
}
#presentationMode.active { display: flex; }
.pres-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 1rem;
  width: 100%;
  height: 100%;
  overflow: hidden;
  gap: 0.75rem;
  position: relative;
}
.pres-box {
  background: var(--card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1.5px solid var(--accent);
  border-radius: 1.5rem;
  padding: 1.25rem 1.75rem;
  width: 100%;
  max-width: 1400px;
  max-height: 100%;
  overflow-y: auto;
  box-shadow: 0 20px 60px -15px rgba(0, 0, 0, 0.3);
}
.pres-meta {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  padding: 0.25rem;
}
.pres-meta-item {
  background: var(--card);
  backdrop-filter: blur(20px);
  border: 1.5px solid var(--accent);
  border-radius: 1rem;
  padding: 0.5rem 1rem;
  font-size: clamp(0.85rem, 1.5vw, 1.25rem);
  font-weight: 700;
  color: var(--accent);
}
.pres-ayah {
  font-family: var(--font-ayah);
  color: var(--text);
  direction: rtl;
  text-align: center;
  line-height: var(--line-ayah);
  transition: opacity 0.3s, transform 0.3s;
}
.pres-trans {
  font-family: var(--font-trans);
  color: var(--text);
  opacity: 0.9;
  text-align: center;
  line-height: var(--line-trans);
  transition: opacity 0.3s, transform 0.3s;
}
.pres-top,
.pres-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.25rem;
  transition: opacity 0.3s;
  position: absolute;
  left: 0;
  right: 0;
  z-index: 5;
}
/* نوار پایین همیشه در دسترس است؛ نوار بالا با هاور/لمس ظاهر می‌شود */
.pres-top { top: 0; opacity: 0; }
.pres-bottom { bottom: 0; opacity: 0.5; }
#presentationMode:hover .pres-top,
#presentationMode:hover .pres-bottom,
#presentationMode.touched .pres-top,
#presentationMode.touched .pres-bottom { opacity: 1; }
@media (hover: none) {
  .pres-top { opacity: 0.5; }
}

.pres-ayah.page-out-next, .pres-trans.page-out-next { animation: pageOutNext 0.35s ease forwards; transform-origin: right center; }
.pres-ayah.page-out-prev, .pres-trans.page-out-prev { animation: pageOutPrev 0.35s ease forwards; transform-origin: left center; }
.pres-ayah.page-in-next, .pres-trans.page-in-next { animation: pageInNext 0.4s ease forwards; transform-origin: left center; }
.pres-ayah.page-in-prev, .pres-trans.page-in-prev { animation: pageInPrev 0.4s ease forwards; transform-origin: right center; }
@keyframes pageOutNext {
  from { opacity: 1; transform: perspective(1200px) rotateY(0deg); }
  to { opacity: 0; transform: perspective(1200px) rotateY(-90deg) translateZ(-50px); }
}
@keyframes pageInNext {
  from { opacity: 0; transform: perspective(1200px) rotateY(90deg) translateZ(-50px); }
  to { opacity: 1; transform: perspective(1200px) rotateY(0deg); }
}
@keyframes pageOutPrev {
  from { opacity: 1; transform: perspective(1200px) rotateY(0deg); }
  to { opacity: 0; transform: perspective(1200px) rotateY(90deg) translateZ(-50px); }
}
@keyframes pageInPrev {
  from { opacity: 0; transform: perspective(1200px) rotateY(-90deg) translateZ(-50px); }
  to { opacity: 1; transform: perspective(1200px) rotateY(0deg); }
}
.pres-ayah.fade-out, .pres-trans.fade-out { opacity: 0; transform: scale(0.98); }
.pres-ayah.fade-in, .pres-trans.fade-in { animation: fadeIn 0.4s ease forwards; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.pres-ayah.slide-out-next, .pres-trans.slide-out-next { opacity: 0; transform: translateX(-40px); }
.pres-ayah.slide-out-prev, .pres-trans.slide-out-prev { opacity: 0; transform: translateX(40px); }
.pres-ayah.zoom-out, .pres-trans.zoom-out { opacity: 0; transform: scale(0.9); }
.pres-ayah.slide-in-next, .pres-trans.slide-in-next { animation: slideInFromRight 0.4s ease forwards; }
.pres-ayah.slide-in-prev, .pres-trans.slide-in-prev { animation: slideInFromLeft 0.4s ease forwards; }
@keyframes slideInFromRight { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slideInFromLeft { from { opacity: 0; transform: translateX(-40px); } to { opacity: 1; transform: translateX(0); } }
.pres-ayah.zoom-in, .pres-trans.zoom-in { animation: zoomInPres 0.4s ease forwards; }
@keyframes zoomInPres { from { opacity: 0; transform: scale(0.92); } to { opacity: 1; transform: scale(1); } }

.ayah-nav-zone {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 26%;
  z-index: 5;
  cursor: pointer;
}
.ayah-nav-zone.right { right: 0; }
.ayah-nav-zone.left { left: 0; }
.ayah-nav-zone::before {
  content: '';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.2s;
}
.ayah-nav-zone.right::before { right: 0.6rem; }
.ayah-nav-zone.left::before { left: 0.6rem; }
.ayah-card:hover .ayah-nav-zone::before { opacity: 0.35; }

/* ===== overlays ===== */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.overlay.active { display: flex; }

.modal-card {
  background: var(--card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 2px solid var(--accent);
  border-radius: 1.75rem;
  padding: 1.5rem;
  width: 100%;
  box-shadow: var(--shadow);
}

.tutorial-title { font-size: 1.5rem; font-weight: 800; color: var(--accent); margin-bottom: 0.75rem; }
.tutorial-text { font-size: 0.95rem; line-height: 1.8; opacity: 0.9; }
.tutorial-dots { display: flex; gap: 0.5rem; justify-content: center; margin: 1.5rem 0; }
.tutorial-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.3;
  transition: all 0.3s;
}
.tutorial-dot.active { opacity: 1; width: 24px; border-radius: 4px; }

/* ===== swipe affordances ===== */
.swipe-container {
  position: relative;
  touch-action: pan-y;
  overflow-x: hidden;
}
.swipe-indicator {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: var(--card);
  backdrop-filter: blur(20px);
  border: 1.5px solid var(--accent);
  border-radius: 1rem;
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
  z-index: 50;
}
.swipe-indicator.left { left: 1rem; }
.swipe-indicator.right { right: 1rem; }
.swipe-indicator.show { opacity: 1; }

/* ===== install / update banner ===== */
.update-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.5rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  color: #14110a;
}

/* ===== jump-to widget ===== */
.jump-row {
  display: flex;
  gap: 0.4rem;
  align-items: stretch;
}
.jump-row .field { flex: 1; }

/* search highlight */
mark {
  background: var(--accent);
  color: #14110a;
  border-radius: 3px;
  padding: 0 2px;
}

/* ------------------------------ 4. responsive --------------------------- */
/* روی گوشی‌های باریک، متن لوگو جا کنه */
@media (max-width: 430px) {
  .logo-text { display: none; }
}

@media (min-width: 640px) {
  .sm\:block { display: block; }
  .sm\:inline-flex { display: inline-flex; }
  .sm\:flex { display: flex; }
  .sm\:grid { display: grid; }
  .sm\:hidden { display: none; }
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sm\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .sm\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .sm\:gap-3 { gap: 0.75rem; }
  .sm\:gap-4 { gap: 1rem; }
  .sm\:p-4 { padding: 1rem; }
  .sm\:p-5 { padding: 1.25rem; }
  .sm\:p-6 { padding: 1.5rem; }
  .sm\:pt-3 { padding-top: 0.75rem; }
  .sm\:pb-3 { padding-bottom: 0.75rem; }
  .sm\:py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
  .sm\:mb-3 { margin-bottom: 0.75rem; }
  .sm\:mt-3 { margin-top: 0.75rem; }
  .sm\:mt-4 { margin-top: 1rem; }
  .sm\:w-10 { width: 2.5rem; }
  .sm\:h-10 { height: 2.5rem; }
  .sm\:text-xs { font-size: 0.75rem; line-height: 1rem; }
  .sm\:text-sm { font-size: 0.875rem; line-height: 1.35rem; }
  .sm\:text-base { font-size: 1rem; line-height: 1.6rem; }
  .sm\:text-2xl { font-size: 1.5rem; line-height: 2rem; }
  .sm\:text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
  .sm\:rounded-xl { border-radius: 0.75rem; }
}

@media (min-width: 768px) {
  .md\:block { display: block; }
  .md\:flex { display: flex; }
  .md\:hidden { display: none; }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .md\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .md\:grid-cols-8 { grid-template-columns: repeat(8, minmax(0, 1fr)); }
  .md\:text-2xl { font-size: 1.5rem; line-height: 2rem; }
}

@media print {
  header, .pres-top, .pres-bottom, #presentationMode { display: none !important; }
}