:root {
  --primary-color: #8B4513;
  --secondary-color: #D4AF37;
  --accent-color: #8e1d32;
  --text-color: #333333;
  --bg-color: #f9f9f7; /* Light cream/off-white */
  --card-bg: #ffffff;
  --nav-bg: rgba(255, 255, 255, 0.95);
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
  --font-main: 'Poppins', sans-serif;
}

[data-theme="dark"] {
  --primary-color: #e0c097;
  --secondary-color: #ffd700;
  --accent-color: #ff6b6b;
  --text-color: #f0f0f0;
  --bg-color: #1a1a1a;
  --card-bg: #2d2d2d;
  --nav-bg: rgba(26, 26, 26, 0.95);
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px; /* Offset for sticky header */
  overflow-x: hidden; /* Prevent horizontal overflow */
  /* Android font rendering improvements */
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden; /* Prevent horizontal overflow */
  max-width: 100vw; /* Ensure body doesn't exceed viewport width */
  /* Android-specific improvements */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  -webkit-tap-highlight-color: rgba(0,0,0,0.1);
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* Android-specific global fixes */
* {
  /* Hardware acceleration for smoother animations */
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  /* Better touch handling */
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* Re-enable text selection for content areas */
p, h1, h2, h3, h4, h5, h6, span, div {
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

/* Android button and input fixes */
button, input, textarea, select {
  -webkit-appearance: none;
  -webkit-border-radius: 0;
  border-radius: 0;
  -webkit-tap-highlight-color: rgba(0,0,0,0.1);
  -webkit-touch-callout: none;
}

/* Android image rendering improvements */
img {
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: optimize-contrast;
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  background-color: var(--nav-bg);
  box-shadow: var(--shadow);
  z-index: 1000;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  transition: background-color 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 1.5rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--secondary-color);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--primary-color);
}

.nav-links a:hover::after {
  width: 100%;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--text-color);
  margin: 5px 0;
  transition: var(--transition);
}

/* Theme Toggle */
.theme-toggle {
  background: none;
  border: 2px solid var(--secondary-color);
  color: var(--text-color);
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  cursor: pointer;
  font-size: 1rem;
  transition: var(--transition);
  -webkit-appearance: none;
  -webkit-tap-highlight-color: transparent;
}

.theme-toggle:hover {
  background-color: var(--secondary-color);
  color: #fff;
}

/* Hero Section */
.hero {
  position: relative;
  height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 2rem;
  overflow: hidden;
  background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('images.webp') no-repeat center center/cover;
  color: #fff;
}

.cross-icon {
  font-size: 8rem;
  opacity: 0.3;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
  pointer-events: none;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
  animation: fadeInUp 1s ease-out;
}

.hero p {
  font-size: 1.25rem;
  max-width: 600px;
  animation: fadeInUp 1s ease-out 0.3s backwards;
}

/* Sections */
section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

section h2 {
  font-size: 2.5rem;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
  display: block;
}

section h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--secondary-color);
  margin: 0.5rem auto 0;
  border-radius: 2px;
}

/* Comparison Grid */
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.prophet-card {
  background-color: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.05);
  position: relative;
}

.prophet-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 12px 20px rgba(0,0,0,0.15);
}

.prophet-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.5s ease, border-color 0.3s ease;
  cursor: pointer;
  border-bottom: 5px solid var(--secondary-color);
}

.prophet-card:hover img {
  transform: scale(1.05);
}

.prophet-card.active img {
  border-bottom-color: var(--primary-color);
}

.prophet-card p {
  padding: 0 1.5rem;
  font-size: 1rem;
  color: var(--text-color);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.prophet-card.active p {
  padding: 1.5rem;
  max-height: 500px;
  opacity: 1;
}

/* Special Hover Effect for specific cards */
.prophet-card.special-hover,
.prophet-card.amos-hover,
.prophet-card.joel-hover,
.prophet-card.obadiah-hover,
.prophet-card.jonah-hover,
.prophet-card.nahum-hover,
.prophet-card.micah-hover,
.prophet-card.habakkuk-hover,
.prophet-card.zephaniah-hover,
.prophet-card.haggai-hover,
.prophet-card.zechariah-hover,
.prophet-card.malachi-hover {
  position: relative;
}

.prophet-card.special-hover::after,
.prophet-card.amos-hover::after,
.prophet-card.joel-hover::after,
.prophet-card.obadiah-hover::after,
.prophet-card.jonah-hover::after,
.prophet-card.nahum-hover::after,
.prophet-card.micah-hover::after,
.prophet-card.habakkuk-hover::after,
.prophet-card.zephaniah-hover::after,
.prophet-card.haggai-hover::after,
.prophet-card.zechariah-hover::after,
.prophet-card.malachi-hover::after {
  content: attr(data-prophet);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 220px; /* Matches image height */
  background: rgba(0, 0, 0, 0.5); /* Dark overlay */
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2rem;
  font-weight: 700;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none; /* Allows click to pass through to image */
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.prophet-card.special-hover:hover::after,
.prophet-card.amos-hover:hover::after,
.prophet-card.joel-hover:hover::after,
.prophet-card.obadiah-hover:hover::after,
.prophet-card.jonah-hover:hover::after,
.prophet-card.nahum-hover:hover::after,
.prophet-card.micah-hover:hover::after,
.prophet-card.habakkuk-hover:hover::after,
.prophet-card.zephaniah-hover:hover::after,
.prophet-card.haggai-hover:hover::after,
.prophet-card.zechariah-hover:hover::after,
.prophet-card.malachi-hover:hover::after {
  opacity: 1;
}

/* Footer */
footer {
  background-color: #1a1a1a;
  color: #fff;
  padding: 3rem 2rem;
  text-align: center;
  margin-top: 4rem;
}

[data-theme="dark"] footer {
  background-color: #0d0d0d;
  border-top: 1px solid #333;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

footer a {
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: bold;
}

footer a:hover {
  text-decoration: underline;
}

.copyright {
  font-size: 0.9rem;
  opacity: 0.7;
  margin-top: 1rem;
}



/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Tablet Media Query */
@media (max-width: 1024px) and (min-width: 769px) {
  .comparison-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

  section {
    padding: 4rem 1.5rem;
  }

  section h2 {
    font-size: 2.2rem;
  }

  .charts-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .feedback-container {
    flex-direction: column;
    gap: 2rem;
  }

  .feedback-image {
    width: 250px;
    height: 300px;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
    z-index: 1001;
    padding: 0.75rem;
  }

  .mobile-menu-btn span {
    width: 30px;
    height: 4px;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 70%;
    background-color: var(--nav-bg);
    flex-direction: column;
    justify-content: center;
    box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    transition: right 0.3s ease-in-out;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }

  .nav-links.active {
    right: 0;
  }

  .theme-toggle {
    padding: 0.6rem 1rem;
    font-size: 1.1rem;
    min-width: 44px;
    min-height: 44px;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  section {
    padding: 3rem 1rem;
  }

  section h2 {
    font-size: 2rem;
  }

  .comparison-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
  }

  .feedback-btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    min-width: 44px;
    min-height: 44px;
  }
}

/* Charts Section */
.charts-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* Dark Mode Chart Styles */
[data-theme="dark"] .chart-wrapper {
  background-color: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .chart-details {
  background: rgba(45, 45, 45, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .chart-visual {
  background-color: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] canvas {
  background-color: var(--card-bg) !important;
}

/* Pie Chart Layout */
.pie-chart-layout {
  display: grid !important;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.chart-details {
  background-color: var(--card-bg);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,0.05);
  height: fit-content;
}

.chart-details h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.chart-details p {
  margin-bottom: 1rem;
  line-height: 1.6;
}

.chart-details ul {
  list-style: none;
  padding: 0;
}

.chart-details li {
  margin-bottom: 0.5rem;
  padding-left: 1rem;
  position: relative;
}

.chart-details li::before {
  content: "•";
  color: var(--secondary-color);
  font-weight: bold;
  position: absolute;
  left: 0;
}

.chart-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--card-bg);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,0.05);
  height: 400px;
}

.chart-visual canvas {
  max-width: 100%;
  height: 400px;
}

.chart-detail-card {
  background-color: var(--card-bg);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,0.05);
  display: none;
  transform: scale(0.95);
  opacity: 0;
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.chart-detail-card.active {
  display: block;
  transform: scale(1);
  opacity: 1;
}

.chart-detail-card h3 {
  font-size: 1.5rem;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 1.5rem;
}

.chart-detail-card canvas {
  max-width: 100%;
  height: auto;
}

.chart-wrapper h3 {
  font-size: 1.5rem;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 1.5rem;
}

.chart-wrapper {
  display: none;
  position: relative;
}

.chart-wrapper.active {
  display: block;
}

.chart-wrapper canvas {
  width: 100% !important;
  height: 400px !important;
  max-width: 100%;
  margin: 0 auto;
  display: block;
}

.chart-wrapper:hover {
  transform: none !important;
}

/* Chart Navigation */
.chart-navigation {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 100%;
  margin-bottom: 1rem;
}

.nav-btn {
  background: none;
  border: 2px solid var(--secondary-color);
  color: var(--text-color);
  padding: 0.5rem 1rem;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  z-index: 10;
}

.nav-btn:hover {
  background-color: var(--secondary-color);
  color: #fff;
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.nav-btn:active {
  transform: translateY(-50%) scale(0.95);
  transition: all 0.1s ease;
}

.left-btn {
  left: 0;
}

.right-btn {
  right: 0;
}

.chart-wrapper.separated {
  border: 2px solid var(--secondary-color);
  border-radius: 12px;
  margin: 0 1rem;
  padding: 1rem;
  background-color: var(--card-bg);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.chart-wrapper.separated:hover {
  border-color: var(--primary-color);
  transform: translateY(-5px);
  box-shadow: 0 12px 20px rgba(0,0,0,0.15);
}

.chart-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.chart-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(139, 69, 19, 0.3);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid transparent;
}

.chart-dot.active {
  background-color: var(--primary-color);
  transform: scale(1.2);
  box-shadow: 0 2px 8px rgba(139, 69, 19, 0.3);
}

.chart-dot:hover {
  background-color: var(--secondary-color);
  transform: scale(1.1);
}

.poll-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1rem;
}

.poll-btn {
  background-color: var(--secondary-color);
  color: #fff;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

/* Additional Mobile and iOS Compatibility */
@media (max-width: 768px) {
  .charts-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .chart-wrapper {
    padding: 1.5rem;
  }

  .chart-wrapper h3 {
    font-size: 1.3rem;
  }

  .poll-options {
    gap: 0.3rem;
  }

  .poll-btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  section h2 {
    font-size: 1.8rem;
  }

  .prophet-card img {
    height: 200px;
  }

  .comparison-grid {
    gap: 1rem;
  }

  .prophet-card p {
    font-size: 0.9rem;
  }

  .nav-container {
    padding: 0 1rem;
  }

  .logo {
    font-size: 1.2rem;
  }

  .charts-container {
    gap: 1.5rem;
  }

  .chart-wrapper {
    padding: 1rem;
  }

  .chart-wrapper h3 {
    font-size: 1.2rem;
  }
}

/* Android-specific Media Queries and Fixes */
@media screen and (max-width: 768px) and (-webkit-min-device-pixel-ratio: 1.5) {
  /* Android high-density screens */
  .comparison-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.2rem;
  }

  .prophet-card {
    border-radius: 8px;
  }

  .feedback-btn {
    padding: 1.2rem 2rem;
    font-size: 1.2rem;
    min-width: 48px;
    min-height: 48px;
  }

  /* Android Chrome specific fixes */
  .nav-links {
    -webkit-overflow-scrolling: touch;
  }

  /* Android scrolling improvements */
  * {
    -webkit-overflow-scrolling: touch;
  }
}

@media screen and (max-width: 480px) and (-webkit-min-device-pixel-ratio: 1.5) {
  /* Android small high-density screens */
  .hero h1 {
    font-size: 1.8rem;
    line-height: 1.2;
  }

  .hero p {
    font-size: 0.95rem;
    line-height: 1.4;
  }

  .section h2 {
    font-size: 1.6rem;
    line-height: 1.3;
  }

  .prophet-card p {
    font-size: 0.85rem;
    line-height: 1.4;
  }

  .feedback-content h2 {
    font-size: 1.6rem;
  }

  .feedback-content p {
    font-size: 0.9rem;
  }

  .feedback-btn {
    padding: 1rem 1.5rem;
    font-size: 1rem;
    min-width: 44px;
    min-height: 44px;
  }
}

/* Android Chrome and Samsung Internet specific fixes */
@media screen and (-webkit-min-device-pixel-ratio: 1) {
  /* Prevent zoom on input focus for Android */
  input, textarea, select {
    font-size: 16px !important;
  }

  /* Android viewport fixes */
  .navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
  }

  body {
    padding-top: 80px; /* Account for fixed navbar */
  }

  /* Android scrolling momentum */
  .comparison-grid, .charts-container, .book-details-container {
    -webkit-overflow-scrolling: touch;
    overflow-x: auto;
    overflow-y: visible;
  }
}

/* Android Stock Browser fixes */
@-webkit-viewport {
  width: device-width;
}

@-moz-viewport {
  width: device-width;
}

@-ms-viewport {
  width: device-width;
}

@-o-viewport {
  width: device-width;
}

@viewport {
  width: device-width;
}

/* Android-specific animation optimizations */
@media screen and (max-width: 768px) and (-webkit-min-device-pixel-ratio: 1) {
  .prophet-card:hover {
    transform: none; /* Disable hover transforms on touch devices */
  }

  .guide-item:hover {
    transform: none; /* Disable hover transforms on touch devices */
  }

  .feedback-btn:hover {
    transform: none; /* Disable hover transforms on touch devices */
  }

  /* Use active states instead for touch feedback */
  .prophet-card:active {
    transform: scale(0.98);
  }

  .guide-item:active {
    transform: scale(0.98);
  }

  .feedback-btn:active {
    transform: scale(0.95);
  }
}

/* Reflection Questions Section */
.questions {
  max-width: 800px;
  margin: 0 auto;
}

.question-block {
  background-color: var(--card-bg);
  border-radius: 12px;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.05);
}

.question-header {
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: var(--transition);
  background-color: var(--card-bg);
}

.question-header:hover {
  background-color: rgba(139, 69, 19, 0.05);
}

.question-header.expanded .arrow-icon {
  transform: rotate(45deg);
}

.arrow-icon {
  margin-right: 1rem;
  font-size: 1.2rem;
  color: var(--primary-color);
  transition: transform 0.3s ease;
}

.question-text {
  flex: 1;
  font-size: 1.1rem;
  color: var(--text-color);
}

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

.answer {
  display: none;
  padding: 1.5rem;
  background-color: rgba(139, 69, 19, 0.02);
  border-top: 1px solid rgba(0,0,0,0.05);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-color);
}

/* Book Details Section */
.book-details-container {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 0 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.book-detail-card {
  background-color: var(--card-bg);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,0.05);
  display: none;
  transform: scale(0.95);
  opacity: 0;
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.book-detail-card.active {
  display: block;
  transform: scale(1);
  opacity: 1;
}

.book-detail-card h3 {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
  text-align: center;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.book-detail-card p {
  margin-bottom: 0.8rem;
  line-height: 1.6;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.book-detail-card strong {
  color: var(--secondary-color);
}

.nav-btn {
  background: none;
  border: 2px solid var(--secondary-color);
  color: var(--text-color);
  padding: 0.5rem 1rem;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.nav-btn:hover {
  background-color: var(--secondary-color);
  color: #fff;
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.nav-btn:active {
  transform: translateY(-50%) scale(0.95);
  transition: all 0.1s ease;
}

.left-btn {
  left: 0;
}

.right-btn {
  right: 0;
}

.book-details-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  overflow-x: hidden; /* no horizontal bar */
  padding: 0;         /* no spacing bar */
}
                                       .book-details-container {
  padding: 0; /* removes the spacing bar effect */
}
                              .comparison-grid, .charts-container, .book-details-container {
  overflow-x: auto;
  overflow-y: visible;
}
                                                                                  .book-details-container {
  overflow-x: hidden; /* hides horizontal scrollbar */
}

.book-details-navigation {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 100%;
  margin-bottom: 1rem;
}

.pagination-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(139, 69, 19, 0.3);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid transparent;
}

.dot.active {
  background-color: var(--primary-color);
  transform: scale(1.2);
  box-shadow: 0 2px 8px rgba(139, 69, 19, 0.3);
}

.dot:hover {
  background-color: var(--secondary-color);
  transform: scale(1.1);
}

/* Responsive Reflection Questions */
@media (max-width: 768px) {
  .question-header {
    padding: 1rem;
  }

  .question-text {
    font-size: 1rem;
  }

  .answer {
    padding: 1rem;
  }
}

@media (max-width: 480px) {
  .question-header {
    padding: 0.75rem;
  }

  .question-text {
    font-size: 0.95rem;
  }

  .answer {
    padding: 0.75rem;
    font-size: 0.9rem;
  }

  .arrow-icon {
    font-size: 1rem;
  }
}

/* Hero Image */
.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
}

/* Section Decorations */
.section-decoration {
  text-align: center;
  margin-bottom: 2rem;
}

.decoration-image {
  width: 120px;
  height: 80px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  opacity: 0.7;
}

/* Interaction Guide */
.interaction-guide {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(139, 69, 19, 0.1), rgba(212, 175, 55, 0.1));
  border-radius: 12px;
  border: 1px solid rgba(139, 69, 19, 0.2);
}

.guide-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  min-width: 150px;
}

.guide-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.guide-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  animation: pulse 2s infinite;
}

.guide-item p {
  font-size: 0.9rem;
  color: var(--text-color);
  margin: 0;
  font-weight: 500;
}

.nav-icon {
  font-size: 1.5rem;
  display: block;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

/* Feedback Section */
#feedback-section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  background: linear-gradient(135deg, rgba(139, 69, 19, 0.05), rgba(212, 175, 55, 0.05));
  border-radius: 20px;
  margin-bottom: 2rem;
}

.feedback-container {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 3rem;
  /* Android flexbox fixes */
  -webkit-box-pack: center;
  -webkit-box-align: center;
  -webkit-flex-direction: row;
}

.feedback-image {
  position: relative;
  flex-shrink: 0;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  width: 300px;
  height: 400px;
  /* Android image fixes */
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
}

.feedback-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: transparent;
  filter: none;
  /* Android image rendering fixes */
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.feedback-content {
  flex: 1;
  text-align: left;
  color: var(--text-color);
  padding: 2rem;
  /* Android text rendering fixes */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.feedback-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
  animation: fadeInUp 1s ease-out;
}

.feedback-content p {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  max-width: 600px;
  line-height: 1.6;
  animation: fadeInUp 1s ease-out 0.2s backwards;
}

.feedback-prompt {
  background: rgba(255, 255, 255, 0.9);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  margin: 1.5rem 0;
  animation: fadeInUp 1s ease-out 0.4s backwards;
  /* Android background fixes */
  -webkit-background-clip: padding-box;
  background-clip: padding-box;
}

.feedback-prompt h3 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  font-size: 1.5rem;
}

.feedback-prompt p {
  color: var(--text-color);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.feedback-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  /* Android flexbox fixes */
  -webkit-box-pack: center;
  -webkit-flex-wrap: wrap;
}

.feedback-btn {
  padding: 0.8rem 1.5rem;
  border: none;
  border-radius: 25px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  /* Android button fixes */
  -webkit-appearance: none;
  -webkit-tap-highlight-color: rgba(0,0,0,0.1);
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  min-width: 44px;
  min-height: 44px;
  /* Android transform fixes */
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
}

.feedback-btn.primary {
  background: var(--primary-color);
  color: white;
}

.feedback-btn.primary:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.3);
}

.feedback-btn.secondary {
  background: var(--secondary-color);
  color: var(--text-color);
}

.feedback-btn.secondary:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.3);
}

.invitation {
  font-style: italic;
  opacity: 0.9;
  animation: fadeInUp 1s ease-out 0.6s backwards;
}

/* Dark Mode Styles for Feedback Section */
[data-theme="dark"] .feedback-prompt {
  background: rgba(45, 45, 45, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

[data-theme="dark"] .feedback-content h2 {
  text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
  color: var(--text-color);
}

[data-theme="dark"] .feedback-content p {
  color: var(--text-color);
}

[data-theme="dark"] .feedback-prompt h3 {
  color: var(--primary-color);
}

[data-theme="dark"] .feedback-prompt p {
  color: var(--text-color);
}

[data-theme="dark"] .invitation {
  color: var(--text-color);
}

[data-theme="dark"] .feedback-section {
  background: linear-gradient(135deg, rgba(224, 192, 151, 0.08), rgba(255, 215, 0, 0.08));
}

/* Responsive Book Details */
@media (max-width: 768px) {
  .interaction-guide {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }

  .guide-item {
    min-width: auto;
    width: 100%;
  }

  .book-details-container {
    flex-direction: column;
    padding: 0;
  }

  .nav-btn {
    position: static;
    margin: 1rem 0;
    transform: none;
  }

  .left-btn, .right-btn {
    position: static;
    transform: none;
  }

  .book-detail-card {
    padding: 1.5rem;
  }

  .book-detail-card h3 {
    font-size: 1.3rem;
  }

  .feedback-content {
    padding: 1.5rem;
  }

  .feedback-content h2 {
    font-size: 2rem;
  }

  .feedback-content p {
    font-size: 1rem;
  }

  .feedback-prompt {
    padding: 1.5rem;
  }

  .feedback-actions {
    flex-direction: column;
    align-items: center;
  }

  .feedback-btn {
    width: 200px;
  }
}

@media (max-width: 480px) {
  .interaction-guide {
    padding: 0.75rem;
  }

  .guide-item {
    padding: 0.75rem;
  }

  .guide-icon {
    font-size: 1.5rem;
  }

  .guide-item p {
    font-size: 0.8rem;
  }

  .book-detail-card {
    padding: 1rem;
  }

  .book-detail-card h3 {
    font-size: 1.2rem;
  }

  .feedback-content {
    padding: 1rem;
  }

  .feedback-content h2 {
    font-size: 1.8rem;
  }

  .feedback-content p {
    font-size: 0.9rem;
  }

  .feedback-prompt {
    padding: 1rem;
  }

  .feedback-prompt h3 {
    font-size: 1.2rem;
  }

  .feedback-btn {
    width: 180px;
    padding: 0.7rem 1.2rem;
    font-size: 0.9rem;
  }
}