/* ==========================================================================
   ISLAMIC KNOWLEDGE PORTAL - CORE STYLESHEET
   Developed by: Dr Muhammad Abdul Haq Lak
   Design: Deep Emerald Green, Subtle Gold Accents, Off-White / Dark Theme
   Typography: Amiri, Noto Nastaliq Urdu, Cinzel, Plus Jakarta Sans / Inter
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Amiri:ital,wght@0,400;0,700;1,400;1,700&family=Cinzel:wght@500;600;700;800;900&family=Noto+Nastaliq+Urdu:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Scheherazade+New:wght@400;600;700&display=swap');

:root {
  /* Colors */
  --primary-emerald: #064e3b;
  --primary-emerald-dark: #022c22;
  --primary-emerald-light: #065f46;
  --accent-gold: #d4af37;
  --accent-gold-light: #fef3c7;
  --accent-gold-dark: #92400e;
  --accent-gold-gradient: linear-gradient(135deg, #f6e05e 0%, #d4af37 50%, #b45309 100%);
  
  /* Backgrounds & Text - Light Mode */
  --bg-main: #fcfbf7;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f9f8f3;
  --border-color: rgba(212, 175, 55, 0.25);
  --border-subtle: #e5e7eb;
  --text-main: #1f2937;
  --text-muted: #4b5563;
  --text-light: #6b7280;
  --card-shadow: 0 4px 20px -2px rgba(6, 78, 59, 0.08);
  --card-shadow-hover: 0 12px 30px -4px rgba(6, 78, 59, 0.16);

  /* Fonts */
  --font-en-title: 'Cinzel', serif;
  --font-en-body: 'Plus Jakarta Sans', sans-serif;
  --font-arabic: 'Amiri', 'Scheherazade New', serif;
  --font-urdu: 'Noto Nastaliq Urdu', 'Amiri', serif;
}

/* Dark Mode Variables */
html.dark {
  --bg-main: #06110e;
  --bg-surface: #0a1b16;
  --bg-surface-elevated: #0f2720;
  --border-color: rgba(212, 175, 55, 0.35);
  --border-subtle: #1e3a31;
  --text-main: #f3f4f6;
  --text-muted: #d1d5db;
  --text-light: #9ca3af;
  --card-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.4);
  --card-shadow-hover: 0 12px 30px -4px rgba(0, 0, 0, 0.6);
}

/* Base Body Setup */
body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-en-body);
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

/* Urdu Language & RTL Settings */
html[lang="ur"] body,
html[dir="rtl"] body {
  font-family: var(--font-urdu);
  line-height: 2.1;
  font-size: 1.05rem;
}

html[lang="ur"] .font-title {
  font-family: var(--font-urdu) !important;
  line-height: 1.8 !important;
}

html[lang="ur"] .font-body {
  font-family: var(--font-urdu) !important;
  line-height: 2.2 !important;
}

html[lang="ur"] .nastaliq-heading {
  font-family: var(--font-urdu) !important;
  line-height: 2.2 !important;
  padding-bottom: 0.25rem;
}

.font-arabic {
  font-family: var(--font-arabic);
  direction: rtl;
  font-feature-settings: "cv01" on, "cv02" on;
}

.font-title-en {
  font-family: var(--font-en-title);
  letter-spacing: 0.03em;
}

/* Islamic Geometric Background Pattern Overlay */
.islamic-pattern-bg {
  background-color: var(--bg-main);
  background-image: radial-gradient(rgba(212, 175, 55, 0.12) 1px, transparent 0),
                    radial-gradient(rgba(6, 78, 59, 0.08) 1px, transparent 0);
  background-position: 0 0, 25px 25px;
  background-size: 50px 50px;
}

.dark .islamic-pattern-bg {
  background-image: radial-gradient(rgba(212, 175, 55, 0.15) 1px, transparent 0),
                    radial-gradient(rgba(16, 185, 129, 0.08) 1px, transparent 0);
}

/* Islamic Card Borders & Ornaments */
.islamic-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  box-shadow: var(--card-shadow);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.islamic-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gold-gradient);
  opacity: 0.85;
}

.islamic-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
  border-color: rgba(212, 175, 55, 0.6);
}

/* Calligraphic Ayat Box */
.ayat-container {
  background: linear-gradient(135deg, rgba(6, 78, 59, 0.05) 0%, rgba(212, 175, 55, 0.08) 100%);
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-radius: 1.25rem;
  position: relative;
}

.dark .ayat-container {
  background: linear-gradient(135deg, rgba(6, 78, 59, 0.25) 0%, rgba(212, 175, 55, 0.12) 100%);
  border: 1px solid rgba(212, 175, 55, 0.3);
}

/* Rub el Hizb Badge (8-Point Star Icon) */
.rub-el-hizb {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-main);
}

::-webkit-scrollbar-thumb {
  background: #065f46;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #047857;
}

/* Gold Text Gradient */
.text-gold-gradient {
  background: var(--accent-gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Arabic Ayah brackets */
.ayah-number {
  font-family: var(--font-arabic);
  color: var(--accent-gold-dark);
  font-weight: bold;
}

.dark .ayah-number {
  color: #fbbf24;
}

/* Modal Blur Backdrop */
.modal-backdrop {
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* Glassmorphism Navigation */
.nav-glass {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.dark .nav-glass {
  background: rgba(10, 27, 22, 0.88);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

/* Chip filter buttons */
.filter-chip {
  transition: all 0.2s ease;
  white-space: nowrap;
}

.filter-chip.active {
  background: #064e3b;
  color: #fef3c7;
  border-color: #d4af37;
  box-shadow: 0 2px 8px rgba(6, 78, 59, 0.3);
}

.dark .filter-chip.active {
  background: #047857;
  color: #ffffff;
  border-color: #f59e0b;
}

/* Timeline Custom Styles */
.timeline-item::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  background-color: var(--accent-gold);
  border: 3px solid var(--primary-emerald);
  border-radius: 50%;
  top: 1.5rem;
  z-index: 1;
}

/* RTL and LTR Timeline Bullet Placement */
html[dir="ltr"] .timeline-item::after {
  left: -7px;
}

html[dir="rtl"] .timeline-item::after {
  right: -7px;
}

/* Toast Notification Animation */
@keyframes slideDownFade {
  0% {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.animate-toast {
  animation: slideDownFade 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Mobile responsive font sizing */
@media (max-width: 640px) {
  html[lang="ur"] body {
    font-size: 0.95rem;
    line-height: 2.0;
  }
}

/* Print Stylesheet for Treatises */
@media print {
  header, nav, #hero, #knowledge-explorer, #seerah, #quiz, footer, #portal-toast, #bookmarks-modal, .filter-chip {
    display: none !important;
  }
  body, #reader-modal, #reader-modal > div {
    background: #ffffff !important;
    color: #000000 !important;
    position: static !important;
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    border: none !important;
    box-shadow: none !important;
  }
  #reader-modal-body {
    overflow: visible !important;
    font-size: 14pt !important;
    line-height: 1.8 !important;
  }
}