/* ==========================================================================
   Veda 100 Wisdom Archive — Sacred Modern Stylesheet
   Supports 10 World Languages, Dark/Light Mode, RTL, AdSense, CMP, and SEO
   ========================================================================== */

:root {
  --bg-primary: #fcfbf7;
  --bg-secondary: #f6f3ea;
  --bg-card: #ffffff;
  --bg-accent: #fef3c7;
  --text-primary: #1c1917;
  --text-secondary: #57534e;
  --text-muted: #78716c;
  --accent-gold: #b45309;
  --accent-gold-hover: #92400e;
  --accent-saffron: #d97706;
  --accent-saffron-light: #fffbeb;
  --border-color: #e7e5e4;
  --border-accent: #fcd34d;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --font-serif: "Merriweather", "Georgia", "Cambria", "Times New Roman", serif;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-devanagari: "Noto Sans Devanagari", "Mangal", "Sanskrit Text", "Georgia", serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --transition: all 0.25s ease-in-out;
}

[data-theme="dark"] {
  --bg-primary: #0c0a09;
  --bg-secondary: #1c1917;
  --bg-card: #171513;
  --bg-accent: #292524;
  --text-primary: #f5f5f4;
  --text-secondary: #d6d3d1;
  --text-muted: #a8a29e;
  --accent-gold: #f59e0b;
  --accent-gold-hover: #fbbf24;
  --accent-saffron: #f59e0b;
  --accent-saffron-light: #292524;
  --border-color: #292524;
  --border-accent: #78350f;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6);
}

/* Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

/* RTL Support for Arabic */
[dir="rtl"] {
  text-align: right;
  direction: rtl;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--text-primary);
  line-height: 1.3;
  font-weight: 700;
}

h1 { font-size: 2.25rem; margin-bottom: 1rem; }
h2 { font-size: 1.75rem; margin-bottom: 0.75rem; }
h3 { font-size: 1.35rem; margin-bottom: 0.5rem; }

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

a {
  color: var(--accent-gold);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--accent-gold-hover);
  text-decoration: underline;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(8px);
  background-color: rgba(252, 251, 247, 0.95);
  transition: var(--transition);
}

[data-theme="dark"] .site-header {
  background-color: rgba(12, 10, 9, 0.95);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.brand-om {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-saffron));
  color: #ffffff;
  font-size: 1.5rem;
  font-family: var(--font-devanagari);
  box-shadow: 0 2px 8px rgba(180, 83, 9, 0.3);
}

.brand-tagline {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-weight: 400;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Language Selector Dropdown */
.lang-selector {
  position: relative;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.lang-btn:hover {
  border-color: var(--accent-gold);
}

.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 200px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: none;
  flex-direction: column;
  padding: 0.5rem 0;
  z-index: 1010;
}

[dir="rtl"] .lang-menu {
  right: auto;
  left: 0;
}

.lang-menu.active {
  display: flex;
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 1rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-decoration: none;
  transition: var(--transition);
}

.lang-option:hover {
  background-color: var(--bg-secondary);
  color: var(--accent-gold);
  text-decoration: none;
}

.lang-option.active {
  font-weight: 700;
  color: var(--accent-gold);
  background-color: var(--accent-saffron-light);
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 1.1rem;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

/* Hero Section */
.hero-section {
  padding: 3.5rem 0 2rem;
  text-align: center;
  background: radial-gradient(circle at center, var(--accent-saffron-light) 0%, transparent 70%);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--accent-gold);
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.hero-title {
  font-size: 2.75rem;
  max-width: 840px;
  margin: 0 auto 1.25rem;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.15rem;
  max-width: 720px;
  margin: 0 auto 2rem;
  color: var(--text-secondary);
}

/* Search and Filter Bar */
.search-filter-wrapper {
  max-width: 800px;
  margin: 0 auto 2.5rem;
}

.search-box {
  position: relative;
  margin-bottom: 1.25rem;
}

.search-input {
  width: 100%;
  padding: 1rem 1.25rem 1rem 3rem;
  font-size: 1.05rem;
  background-color: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  outline: none;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

[dir="rtl"] .search-input {
  padding: 1rem 3rem 1rem 1.25rem;
}

.search-input:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 4px rgba(217, 119, 6, 0.15);
}

.search-icon {
  position: absolute;
  left: 1.15rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.2rem;
  pointer-events: none;
}

[dir="rtl"] .search-icon {
  left: auto;
  right: 1.15rem;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1rem;
}

.filter-btn {
  padding: 0.4rem 0.9rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

.filter-btn.active {
  background-color: var(--accent-gold);
  border-color: var(--accent-gold);
  color: #ffffff;
}

/* AdSense Ad Container (Optimized for CLS & AdSense Policies) */
.ad-slot-wrapper {
  margin: 2rem 0;
  text-align: center;
  clear: both;
}

.ad-container {
  display: inline-block;
  min-width: 300px;
  min-height: 90px;
  background-color: var(--bg-secondary);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  position: relative;
  overflow: hidden;
  max-width: 100%;
}

.ad-container.ad-rectangle {
  min-height: 250px;
  width: 100%;
  max-width: 336px;
}

.ad-container.ad-leaderboard {
  min-height: 90px;
  width: 100%;
  max-width: 970px;
}

.ad-disclaimer-label {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
  text-align: center;
}

/* Verse Cards Grid */
.verse-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.verse-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
}

.verse-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-accent);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.card-badge {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  background-color: var(--accent-saffron-light);
  color: var(--accent-gold);
}

.card-ref {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-sans);
}

.sanskrit-box {
  background: var(--bg-secondary);
  border-left: 3px solid var(--accent-gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1rem;
  margin-bottom: 1rem;
}

[dir="rtl"] .sanskrit-box {
  border-left: none;
  border-right: 3px solid var(--accent-gold);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.sanskrit-devanagari {
  font-family: var(--font-devanagari);
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.sanskrit-transliteration {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-style: italic;
  color: var(--text-muted);
  line-height: 1.5;
}

.verse-card-title {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
}

.verse-card-title a {
  color: var(--text-primary);
}

.verse-card-title a:hover {
  color: var(--accent-gold);
}

.verse-card-meaning {
  font-size: 0.925rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
  margin-top: auto;
}

.action-btn-group {
  display: flex;
  gap: 0.4rem;
}

.icon-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  transition: var(--transition);
}

.icon-btn:hover {
  background-color: var(--bg-secondary);
  color: var(--accent-gold);
  border-color: var(--accent-gold);
}

.read-btn {
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--accent-gold);
}

.read-btn:hover {
  text-decoration: underline;
}

/* Detail Article Page */
.article-header {
  padding: 2.5rem 0 1.5rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.breadcrumb a {
  color: var(--text-muted);
}

.breadcrumb a:hover {
  color: var(--accent-gold);
}

.article-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2rem;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.article-body {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2.5rem;
  margin-bottom: 4rem;
}

@media (max-width: 900px) {
  .article-body {
    grid-template-columns: 1fr;
  }
}

.main-article-content {
  font-size: 1.05rem;
  line-height: 1.8;
}

.sacred-hero-quote {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-card) 100%);
  border: 2px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2.5rem;
  text-align: center;
  box-shadow: var(--shadow-md);
  position: relative;
}

.sacred-hero-quote .sanskrit-devanagari {
  font-size: 1.85rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.7;
}

.sacred-hero-quote .sanskrit-transliteration {
  font-size: 1.1rem;
  color: var(--accent-gold);
  margin-bottom: 1.5rem;
}

.audio-player-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background-color: var(--bg-card);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  display: inline-flex;
}

.play-chant-btn {
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-saffron));
  color: #ffffff;
  border: none;
  border-radius: var(--radius-full);
  padding: 0.5rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.play-chant-btn:hover {
  box-shadow: 0 4px 12px rgba(180, 83, 9, 0.35);
  transform: scale(1.02);
}

.article-section {
  margin-bottom: 2.5rem;
}

.section-heading {
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent-saffron-light);
}

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

.life-guide-box {
  background-color: var(--accent-saffron-light);
  border-left: 4px solid var(--accent-gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.5rem;
  margin: 1.5rem 0;
}

[dir="rtl"] .life-guide-box {
  border-left: none;
  border-right: 4px solid var(--accent-gold);
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.life-guide-box h4 {
  color: var(--accent-gold);
  margin-bottom: 0.5rem;
}

.sidebar-ad-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: sticky;
  top: 90px;
}

.share-widget {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.share-btns {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.share-btn {
  flex: 1;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  cursor: pointer;
  transition: var(--transition);
}

.share-btn:hover {
  background-color: var(--accent-gold);
  color: #ffffff;
  border-color: var(--accent-gold);
}

/* Footer */
.site-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 3.5rem 0 2rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--accent-gold);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.825rem;
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 1rem;
}

/* Cookie Consent Banner & Modal (CMP / Funding Choices Compliance) */
.consent-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--bg-card);
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
  padding: 1.25rem;
  z-index: 9999;
  display: none;
  animation: slideUp 0.3s ease-out forwards;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.consent-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.consent-text {
  flex: 1;
  min-width: 280px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.consent-text strong {
  color: var(--text-primary);
}

.consent-btns {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.btn-primary {
  background-color: var(--accent-gold);
  color: #ffffff;
  padding: 0.5rem 1.25rem;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary:hover {
  background-color: var(--accent-gold-hover);
}

.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  border-color: var(--accent-gold);
}

/* Toast Notification */
.toast-msg {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: #1c1917;
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  box-shadow: var(--shadow-lg);
  display: none;
  z-index: 10000;
}

[data-theme="dark"] .toast-msg {
  background-color: #f5f5f4;
  color: #1c1917;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10001;
  padding: 1rem;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 540px;
  width: 100%;
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
}

/* Media Queries */
@media (max-width: 768px) {
  h1 { font-size: 1.75rem; }
  .hero-title { font-size: 2rem; }
  .verse-grid { grid-template-columns: 1fr; }
  .header-inner { height: 60px; }
  .brand-logo { font-size: 1.15rem; }
  .consent-inner { flex-direction: column; align-items: stretch; }
  .consent-btns { justify-content: flex-end; }
}