/* Core Variables and Imports */
@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&family=Montserrat:wght@400;500;600;700&display=swap");

:root {
  /* Colors */
  --bg-primary: #0B121A;
  --bg-secondary: #141E2B;
  --bg-tertiary: #1C2A3A;
  --text-primary: #F0FFFF;
  --text-secondary: #B8C9DC;
  --text-muted: #8295A7;
  --accent-primary: #4169E1;
  --accent-secondary: #40E0D0;
  --accent-hover: #98F5FF;
  --hero-text-primary: #FFFFFF;
  --hero-text-secondary: rgba(255, 255, 255, 0.8);
  --input-border: #2E4A64;
  --box-shadow: rgba(0, 0, 0, 0.5);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  --gradient-dark: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  --gradient-hover: linear-gradient(145deg, var(--bg-secondary), var(--bg-tertiary));
  --bg-feature-sections: linear-gradient(to right, #8A2BE2, #DA70D6);

  /* Transitions */
  --hero-transition-fast: 0.2s ease;
  --hero-transition-normal: 0.3s ease;
  --hero-transition-slow: 0.5s ease;

  /* Spacing & Layout */
  --max-width: 1400px;
  --header-height: 80px;
  --hero-spacing-sm: 0.5rem;
  --hero-spacing-md: 1rem;
  --hero-spacing-lg: 2rem;
  --hero-spacing-xl: 4rem;
  
  /* Border Radius */
  --hero-radius-sm: 4px;
  --hero-radius-md: 8px;
  --hero-radius-lg: 16px;
  --hero-radius-full: 9999px;
}

/* Global Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Base Styles */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  min-height: 100vh;
  opacity: 1;
  transition: opacity 0.3s ease;
}

body.page-transition {
  opacity: 0;
}

/* Hero Section */
.hero {
  padding: 9rem 2rem 4rem;
  background: var(--gradient-dark);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Updated Heading Styles with Glow Effect */
h1, h2, h3 {
  transition: text-shadow 0.3s ease;
}

h1:hover, h2:hover, h3:hover {
  text-shadow: 0 0 15px rgba(64, 224, 208, 0.3);
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  color: var(--hero-text-primary);
  background: linear-gradient(120deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0;
  animation: fadeIn 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.hero p {
  font-size: 1.2rem;
  color: var(--hero-text-secondary);
  margin-bottom: 2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0;
  animation: slideUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.2s forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hero Search */
.search-and-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  opacity: 0;
  animation: slideUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.3s forwards;
}

.ai-search-container {
  width: 100%;
  position: relative;
  opacity: 0;
  animation: slideUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.4s forwards;
}

.hero-search-input {
  width: 100%;
  padding: 1.5rem 2.5rem;
  font-size: 1.2rem;
  border: none;
  border-radius: 50px;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  transition: all 0.3s ease;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.hero-search-input:focus {
  outline: none;
  box-shadow: 0 0 20px rgba(64, 224, 208, 0.2);
  background-color: rgba(28, 42, 58, 0.95);
}

/* Search Suggestions */
.search-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(28, 42, 58, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0 0 var(--hero-radius-lg) var(--hero-radius-lg);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
  margin-top: 0.5rem;
  overflow: hidden;
  z-index: 1000;
  max-height: 200px;
  overflow-y: auto;
  display: none;
}

.search-suggestions.active {
  display: block;
}

/* Hide buttons when search suggestions are active */
.hero-content.suggestions-active .hero-search-button,
.hero-content.suggestions-active .hero-preferences-button,
.hero-content.suggestions-active .ai-assistant-btn,
.hero-content.suggestions-active button,
.hero-content.suggestions-active a[class*="btn"] {
  opacity: 0 !important;
  pointer-events: none !important;
  transition: opacity 0.2s ease;
}

.search-suggestions::-webkit-scrollbar {
  width: 4px; /* Width of the scrollbar */
}

.search-suggestions::-webkit-scrollbar-thumb {
  background: var(--accent-primary); /* Color of the scrollbar handle */
  border-radius: 10px; /* Round edges */
}

.search-suggestions::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1); /* Background of the scrollbar track */
  border-radius: 10px;
}

.search-suggestions::-webkit-scrollbar-thumb:hover {
  background: var(--accent-secondary); /* Changes color on hover */
}


.search-suggestion-item {
  padding: 1rem 1.5rem;
  color: var(--text-secondary);
  transition: all 0.3s ease;
  cursor: default;
  user-select: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.suggestion-item {
  padding: 1rem 1.5rem;
  color: var(--text-secondary);
  transition: all 0.3s ease;
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  backdrop-filter: blur(2px);
}

.suggestion-item:last-child {
  border-bottom: none;
}

.suggestion-item:hover {
  background: rgba(64, 224, 208, 0.15);
  backdrop-filter: blur(4px);
  color: var(--text-primary);
  transform: translateX(5px);
  box-shadow: 0 2px 8px rgba(64, 224, 208, 0.1);
}

.search-suggestion-item:last-child {
  border-bottom: none;
}

.search-suggestion-item:hover {
  background: rgba(64, 224, 208, 0.1);
  color: var(--text-primary);
  transform: translateX(10px);
}

.hero-search-button {
  background: var(--accent-primary);
  color: var(--text-primary);
  border: none;
  padding: 1rem 2rem;
  border-radius: 25px;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.hero-search-button:hover {
  background: var(--accent-secondary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(64, 224, 208, 0.2);
}

.ai-assistant-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  padding: 1rem 2.3rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 25px;
  color: var(--text-primary);
  text-decoration: none;
  transition: all 0.3s ease;
  margin-top: 1rem;
  opacity: 0;
  animation: slideUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.5s forwards;
}

.ai-assistant-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(64, 224, 208, 0.2);
}

.ai-assistant-btn i {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.ai-assistant-btn:hover i {
  transform: scale(1.1) rotate(15deg);
}

/* Hero Features */
.hero-features {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}

.hero-features span {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--text-secondary);
  font-size: 1.1rem;
  opacity: 0;
  transform: translateY(20px);
  animation: slideUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.6s forwards;
  transition: all 0.3s ease;
}

.hero-features span:hover {
  color: var(--text-primary);
  transform: translateY(-2px);
}

.hero-features i {
  color: var(--accent-secondary);
  font-size: 1.3rem;
  transition: transform 0.3s ease;
}

.hero-features span:hover i {
  transform: scale(1.1);
  color: var(--accent-primary);
}

@keyframes featureSlideUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-features span:nth-child(1) { animation-delay: 0.7s; }
.hero-features span:nth-child(2) { animation-delay: 0.8s; }
.hero-features span:nth-child(3) { animation-delay: 0.9s; }
.hero-features span:nth-child(4) { animation-delay: 1.0s; }

/* Learning Paths Section */
.learning-paths {
  padding: 6rem 2rem;
  background: var(--bg-primary);
  text-align: center;
}

.learning-paths h2,
.features h2,
.curated-courses h2,
.learning-journey h2 {
  font-size: 2.8rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(120deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.learning-paths p {
  color: var(--text-secondary);
  margin-bottom: 3rem;
  font-size: 1.2rem;
}

.learning-paths-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.learning-path-card {
  background: var(--bg-secondary);
  border-radius: var(--hero-radius-lg);
  padding: 2.5rem;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.learning-path-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-hover);
  transition: all 0.5s ease;
  opacity: 0;
}

.learning-path-card:hover::before {
  left: 0;
  opacity: 1;
}

.learning-path-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  border-color: var(--accent-secondary);
}

.path-content {
  position: relative;
  z-index: 1;
}

.path-content i {
  font-size: 2.5rem;
  color: var(--accent-secondary);
  margin-bottom: 1.5rem;
  transition: all 0.4s ease;
}

.learning-path-card:hover .path-content i {
  transform: scale(1.1) rotate(5deg);
  color: var(--accent-primary);
}

.path-content h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  transition: color 0.3s ease;
}

.learning-path-card:hover .path-content h3 {
  color: var(--accent-secondary);
}

.path-content p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.path-features {
  list-style: none;
  margin-bottom: 2rem;
  text-align: left;
}

.path-features li {
  color: var(--text-secondary);
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  transition: all 0.3s ease;
}

.path-features li:hover {
  color: var(--text-primary);
  transform: translateX(5px);
}

.path-features li::before {
  content: '✓';
  color: var(--accent-secondary);
  transition: transform 0.3s ease;
}

.path-features li:hover::before {
  transform: scale(1.2);
  color: var(--accent-primary);
}

/* Feature Highlights Section */
.features {
  padding: 6rem 2rem;
  background: var(--gradient-dark);
  text-align: center;
  position: relative;
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-feature-sections);
  opacity: 0.05;
  z-index: 1;
}

.features > * {
  position: relative;
  z-index: 2;
}

/* Features heading inherits the common gradient style from .learning-paths h2,
.features h2, .curated-courses h2, .learning-journey h2 defined above */

.features p {
  color: var(--text-secondary);
  margin-bottom: 3rem;
  font-size: 1.2rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.feature-card {
  background: var(--bg-secondary);
  border-radius: var(--hero-radius-lg);
  padding: 2.5rem;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-hover);
  transition: all 0.5s ease;
  opacity: 0;
}

.feature-card:hover::before {
  left: 0;
  opacity: 1;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
  border-color: var(--accent-secondary);
}

.feature-card i {
  position: relative;
  font-size: 2.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 1.5rem;
  transition: all 0.4s ease;
}

.feature-card:hover i {
  transform: scale(1.1);
}

.feature-card h3 {
  position: relative;
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  transition: color 0.3s ease;
}

.feature-card:hover h3 {
  color: var(--accent-secondary);
}

.feature-card p {
  position: relative;
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 0;
}

/* Curated Courses Section */
.curated-courses {
  padding: 6rem 2rem;
  background: var(--gradient-dark);
  position: relative;
  text-align: center;
}

.curated-courses::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-feature-sections);
  opacity: 0.05;
  z-index: 1;
}

.curated-courses > * {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

.course-filters {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.filter-group select {
  padding: 0.8rem 2rem;
  border-radius: 8px;
  border: 2px solid var(--input-border);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 200px;
}

.filter-group select:hover,
.filter-group select:focus {
  border-color: var(--accent-secondary);
  outline: none;
  box-shadow: 0 0 15px rgba(64, 224, 208, 0.2);
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.course-card {
  background: var(--bg-secondary);
  border-radius: var(--hero-radius-lg);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  position: relative;
}

.course-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  border-color: var(--accent-secondary);
}

.course-thumbnail {
  position: relative;
  padding-top: 56.25%;
  overflow: hidden;
}

.course-thumbnail img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.course-card:hover .course-thumbnail img {
  transform: scale(1.1);
}

.course-overlay {
  position: absolute;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  z-index: 1;
}

.course-overlay span {
  background: rgba(0, 0, 0, 0.75);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  backdrop-filter: blur(4px);
  transition: all 0.3s ease;
}

.course-card:hover .course-overlay span {
  background: var(--accent-primary);
  transform: scale(1.05);
}

.course-content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  transition: background 0.3s ease;
}

.course-card:hover .course-content {
  background: var(--gradient-hover);
}

.course-content h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  transition: color 0.3s ease;
}

.course-card:hover .course-content h3 {
  color: var(--accent-secondary);
}

.course-content p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 1.5rem;
  flex: 1;
}

.course-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.rating {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.rating i {
  color: #FFD700;
  transition: transform 0.3s ease;
}

.course-card:hover .rating i {
  transform: scale(1.1);
}

.students {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
}

.students i {
  transition: transform 0.3s ease;
}

.course-card:hover .students i {
  transform: scale(1.1);
  color: var(--accent-secondary);
}

/* Learning Journey Section */
.learning-journey {
  padding: 6rem 2rem;
  background: var(--bg-primary);
  text-align: center;
}

.journey-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: var(--max-width);
  margin: 3rem auto 0;
}

.journey-card {
  background: var(--bg-secondary);
  border-radius: var(--hero-radius-lg);
  padding: 2.5rem;
  text-align: left;
  transition: all 0.4s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.journey-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-hover);
  transition: all 0.5s ease;
  opacity: 0;
}

.journey-card:hover::before {
  left: 0;
  opacity: 1;
}

.journey-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  border-color: var(--accent-secondary);
}

.journey-icon {
  position: relative;
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: all 0.4s ease;
}

.journey-card:hover .journey-icon {
  transform: scale(1.1) rotate(10deg);
  background: var(--gradient-hover);
  box-shadow: 0 0 20px rgba(64, 224, 208, 0.3);
}

.journey-icon i {
  font-size: 1.8rem;
  color: var(--text-primary);
  transition: transform 0.3s ease;
}

.journey-card:hover .journey-icon i {
  transform: scale(1.1);
  color: var(--accent-secondary);
}

.journey-content {
  position: relative;
}

.journey-content h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  transition: color 0.3s ease;
}

.journey-card:hover .journey-content h3 {
  color: var(--accent-secondary);
}

.journey-content p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.journey-metrics {
  display: flex;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.metric {
  flex: 1;
  transition: transform 0.3s ease;
}

.journey-card:hover .metric {
  transform: translateY(-5px);
}

.metric-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-secondary);
  margin-bottom: 0.3rem;
  transition: color 0.3s ease;
}

.journey-card:hover .metric-value {
  color: var(--accent-primary);
}

.metric-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.journey-steps {
  list-style: none;
  position: relative;
}

.journey-step {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  padding: 0.8rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.journey-step:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(10px);
}

.step-number {
  width: 30px;
  height: 30px;
  background: var(--accent-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-weight: 600;
  transition: all 0.3s ease;
}

.journey-step:hover .step-number {
  transform: scale(1.1);
  background: var(--accent-secondary);
}

.step-text {
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.journey-step:hover .step-text {
  color: var(--text-primary);
}

/* CTA Section */
.cta {
  padding: 6rem 2rem;
  background: var(--gradient-dark);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-feature-sections);
  opacity: 0.05;
  z-index: 1;
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.cta h2 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.cta p {
  color: var(--text-secondary);
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

/* Footer */
footer {
  background: var(--gradient-dark);
  padding: 4rem 2rem 2rem;
  color: var(--text-primary);
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-feature-sections);
  opacity: 0.05;
  z-index: 1;
}

.footer-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
}

.footer-section {
  position: relative;
  padding: 1.5rem;
  border-radius: var(--hero-radius-lg);
  background: rgba(255, 255, 255, 0.02);
  transition: all 0.3s ease;
}

.footer-section:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.footer-section h3 {
  color: var(--accent-secondary);
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: all 0.3s ease;
}

.footer-section:hover h3 {
  transform: scale(1.05);
}

.footer-section p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  transition: color 0.3s ease;
}

.footer-section:hover p {
  color: var(--text-primary);
}

.footer-section a:not(.social-icons a) {
  display: block;
  color: var(--text-secondary);
  margin-bottom: 0.8rem;
  transition: all 0.3s ease;
  position: relative;
  padding-left: 1.5rem;
  text-decoration: none;
}

.footer-section a:not(.social-icons a)::before {
  content: '→';
  position: absolute;
  left: 0;
  opacity: 0;
  transform: translateX(-10px);
  transition: all 0.3s ease;
}

.footer-section a:not(.social-icons a):hover {
  color: var(--accent-secondary);
  transform: translateX(5px);
}

.footer-section a:not(.social-icons a):hover::before {
  opacity: 1;
  transform: translateX(0);
}

.social-icons {
  display: flex;
  gap: 1.5rem;
  margin-top: 1rem;
}

.social-icons a {
  padding: 0;
  transform: none;
  text-decoration: none;
}

.social-icons a {
  color: var(--text-secondary);
  font-size: 1.5rem;
  transition: all 0.3s ease;
  padding: 0.5rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
}

.social-icons a:hover {
  color: var(--accent-secondary);
  transform: translateY(-3px) rotate(8deg);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 5px 15px rgba(64, 224, 208, 0.2);
}

.footer-bottom {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-top: 2rem;
  margin-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-bottom::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 1px;
  background: var(--gradient-primary);
  transition: width 0.5s ease;
}

footer:hover .footer-bottom::before {
  width: 100%;
}

/* Buttons */
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  padding: 1rem 2.5rem;
  border-radius: 25px;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  opacity: 0;
  animation: slideUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.5s forwards;
}

.cta-button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.5s ease;
}

.cta-button:hover::before {
  transform: translate(-50%, -50%) scale(1);
}

.cta-button:not(.secondary) {
  background: var(--accent-primary);
  color: var(--text-primary);
}

.cta-button.secondary {
  background: transparent;
  border: 2px solid var(--accent-primary);
  color: var(--accent-primary);
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.cta-button:not(.secondary):hover {
  background: var(--accent-secondary);
}

.cta-button.secondary:hover {
  background: var(--accent-primary);
  color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 2.8rem;
  }

  .journey-cards,
  .feature-grid,
  .course-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 6rem 1rem 3rem;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-features {
    gap: 1rem;
  }

  .hero-features span {
    font-size: 1rem;
  }

  .course-filters {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-group select {
    width: 100%;
  }

  .cta-buttons {
    flex-direction: column;
    gap: 1rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .course-card {
    margin: 0 1rem;
  }
}

/* Search Process Overlay Styles */
.search-process-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(11, 18, 26, 0.95);
  z-index: 9999;
  display: none;
  overflow-y: auto;
  backdrop-filter: blur(10px);
}

.search-process-stage {
  display: none;
  width: 100%;
  min-height: 100%;
  position: relative;
  transition: all 0.5s ease;
  padding: 2rem 0;
}

.stage-content {
  max-width: 1000px;
  margin: 0 auto;
  background: var(--bg-secondary);
  border-radius: var(--hero-radius-lg);
  padding: 2.5rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--input-border);
  position: relative;
  z-index: 2;
}

.stage-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2.5rem;
}

.stage-header h2 {
  font-size: 2.5rem;
  margin: 0;
  background: linear-gradient(120deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.close-process-btn {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--text-secondary);
  font-size: 1.2rem;
}

.close-process-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
  color: var(--text-primary);
}

/* Stage 1: Search Processing Styles */
.brain-animation {
  width: 200px;
  height: 200px;
  margin: 0 auto 2.5rem;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brain-icon {
  width: 100px;
  height: 100px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
  animation: pulse 2s infinite;
}

.brain-icon i {
  font-size: 3rem;
  color: var(--text-primary);
}

.pulse-rings {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.ring {
  position: absolute;
  border: 2px solid var(--accent-secondary);
  width: 100%;
  height: 100%;
  border-radius: 50%;
  opacity: 0;
  transform: scale(0);
  animation: ring-pulse 3s infinite;
}

.ring:nth-child(2) {
  animation-delay: 0.5s;
}

.ring:nth-child(3) {
  animation-delay: 1s;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(65, 105, 225, 0.7);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(65, 105, 225, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(65, 105, 225, 0);
  }
}

@keyframes ring-pulse {
  0% {
    opacity: 0.8;
    transform: scale(0.5);
  }
  100% {
    opacity: 0;
    transform: scale(2);
  }
}

.query-display {
  text-align: center;
  margin-bottom: 2.5rem;
  padding: 1.5rem;
  background: var(--bg-tertiary);
  border-radius: var(--hero-radius-md);
  border: 1px solid var(--input-border);
}

.query-display h3 {
  margin: 0;
  font-size: 1.5rem;
  color: var(--text-primary);
}

.query-display span {
  color: var(--accent-secondary);
  font-weight: 600;
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.process-step {
  display: flex;
  align-items: flex-start;
  padding: 1.5rem;
  background: var(--bg-tertiary);
  border-radius: var(--hero-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
}

.process-step.active {
  background: rgba(64, 224, 208, 0.1);
  border-color: var(--accent-secondary);
  transform: translateX(10px);
}

.process-step.completed {
  background: rgba(65, 105, 225, 0.1);
  border-color: var(--accent-primary);
}

.step-icon {
  width: 50px;
  height: 50px;
  min-width: 50px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1.5rem;
}

.step-icon i {
  font-size: 1.5rem;
  color: var(--text-primary);
}

.step-text {
  flex: 1;
}

.step-text h4 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
  color: var(--text-primary);
}

.step-text p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.step-status {
  margin-left: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-status i {
  font-size: 1.5rem;
}

.step-status .fa-check-circle {
  color: #4CAF50;
}

.step-status .fa-spinner {
  color: var(--accent-primary);
}

.step-status .fa-circle {
  color: var(--text-muted);
  font-size: 1rem;
}

.progress-container {
  margin-top: 2rem;
}

.progress-bar {
  width: 100%;
  height: 10px;
  background: var(--bg-tertiary);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 0.8rem;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  width: 35%;
  border-radius: 10px;
  transition: width 0.8s ease;
}

.progress-text {
  text-align: right;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Stage 2: Resource Discovery Styles */
.discovery-visualization {
  height: 300px;
  margin: 0 auto 2.5rem;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.radar-container {
  width: 300px;
  height: 300px;
  background-color: rgba(28, 42, 58, 0.8);
  border-radius: 50%;
  position: relative;
  overflow: hidden;
}

.radar-grid {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  border-radius: 50%;
  border: 1px solid rgba(64, 224, 208, 0.2);
}

.radar-grid::before,
.radar-grid::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 1px;
  background: rgba(64, 224, 208, 0.2);
  top: 50%;
  left: 0;
}

.radar-grid::after {
  transform: rotate(90deg);
}

.radar-grid::before {
  width: 75%;
  height: 75%;
  top: 12.5%;
  left: 12.5%;
  border-radius: 50%;
  border: 1px solid rgba(64, 224, 208, 0.2);
  background: transparent;
}

.radar-sweep {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 50%;
  transform-origin: bottom right;
  background: linear-gradient(90deg, rgba(64, 224, 208, 0) 0%, rgba(64, 224, 208, 0.3) 100%);
  animation: sweep 4s infinite linear;
  border-top-left-radius: 100%;
  box-shadow: 0 0 20px rgba(64, 224, 208, 0.2);
}

@keyframes sweep {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.radar-center {
  position: absolute;
  width: 20px;
  height: 20px;
  background: var(--accent-secondary);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 20px var(--accent-secondary);
  animation: pulse 2s infinite;
}

.resource-dots {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.resource-dot {
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--accent-primary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 10px var(--accent-primary);
  opacity: 0;
  animation: appear 0.5s forwards;
}

.resource-dot.video {
  background: #FF4081;
  box-shadow: 0 0 10px #FF4081;
}

.resource-dot.article {
  background: #00BCD4;
  box-shadow: 0 0 10px #00BCD4;
}

.resource-dot.interactive {
  background: #FFC107;
  box-shadow: 0 0 10px #FFC107;
}

@keyframes appear {
  from {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

.discovery-stats {
  display: flex;
  justify-content: space-around;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.stat-box {
  padding: 1.5rem;
  background: var(--bg-tertiary);
  border-radius: var(--hero-radius-md);
  text-align: center;
  min-width: 150px;
  flex: 1;
  border: 1px solid var(--input-border);
  transition: all 0.3s ease;
}

.stat-box:hover {
  transform: translateY(-5px);
  border-color: var(--accent-secondary);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.discovery-feed-container {
  margin-bottom: 2rem;
}

.discovery-feed-container h3 {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.discovery-feed {
  max-height: 250px;
  overflow-y: auto;
  background: var(--bg-tertiary);
  border-radius: var(--hero-radius-md);
  padding: 1rem;
  border: 1px solid var(--input-border);
}

.discovery-feed::-webkit-scrollbar {
  width: 4px;
}

.discovery-feed::-webkit-scrollbar-thumb {
  background: var(--accent-primary);
  border-radius: 10px;
}

.discovery-feed::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

.discovery-feed-item {
  padding: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  animation: fadeIn 0.5s ease forwards;
  opacity: 0;
}

.discovery-feed-item:last-child {
  border-bottom: none;
}

.feed-item-content {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.feed-item-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feed-item-icon.video {
  background: rgba(255, 64, 129, 0.2);
  color: #FF4081;
}

.feed-item-icon.article {
  background: rgba(0, 188, 212, 0.2);
  color: #00BCD4;
}

.feed-item-icon.interactive {
  background: rgba(255, 193, 7, 0.2);
  color: #FFC107;
}

.feed-item-text {
  flex: 1;
}

.feed-item-text h4 {
  margin: 0 0 0.2rem;
  font-size: 1rem;
  color: var(--text-primary);
}

.feed-item-text p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.feed-item-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.2rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* Stage 3: Learning Path Results Styles */
.results-summary {
  background: var(--bg-tertiary);
  border-radius: var(--hero-radius-md);
  padding: 1.5rem;
  margin-bottom: 2.5rem;
  border: 1px solid var(--input-border);
}

.result-query {
  margin-bottom: 1.5rem;
  text-align: center;
}

.result-query h3 {
  margin: 0;
  font-size: 1.5rem;
  color: var(--text-primary);
}

.result-query span {
  color: var(--accent-secondary);
}

.result-stats {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 1rem;
}

.result-stat {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 1rem;
}

.result-stat i {
  color: var(--accent-primary);
}

.result-stat span {
  color: var(--accent-secondary);
  font-weight: 600;
}

.path-visualization {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2.5rem;
  padding: 1.5rem;
  background: var(--bg-tertiary);
  border-radius: var(--hero-radius-md);
  border: 1px solid var(--input-border);
  overflow-x: auto;
}

.path-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  min-width: 80px;
}

.node-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.8rem;
  position: relative;
  z-index: 2;
  transition: all 0.3s ease;
}

.path-node.start .node-icon {
  background: rgba(76, 175, 80, 0.2);
  color: #4CAF50;
}

.path-node.module .node-icon {
  background: rgba(65, 105, 225, 0.2);
  color: var(--accent-primary);
}

.path-node.end .node-icon {
  background: rgba(255, 64, 129, 0.2);
  color: #FF4081;
}

.path-node:hover .node-icon {
  transform: scale(1.2);
  box-shadow: 0 0 15px rgba(64, 224, 208, 0.3);
}

.node-icon i {
  font-size: 1.5rem;
}

.node-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-align: center;
  transition: all 0.3s ease;
}

.path-node:hover .node-label {
  color: var(--accent-secondary);
}

.path-connection {
  flex: 1;
  height: 3px;
  background: var(--gradient-primary);
  position: relative;
  margin: 0 0.5rem;
  align-self: center;
  min-width: 50px;
}

.path-connection::after {
  content: '';
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 8px solid var(--accent-secondary);
}

.modules-container {
  margin-bottom: 2.5rem;
}

.modules-container h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.module-card {
  background: var(--bg-tertiary);
  border-radius: var(--hero-radius-md);
  border: 1px solid var(--input-border);
  overflow: hidden;
  transition: all 0.3s ease;
}

.module-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-secondary);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.module-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 1.5rem;
  background: rgba(65, 105, 225, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.module-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.module-card:hover .module-icon {
  transform: scale(1.1) rotate(10deg);
}

.module-icon i {
  font-size: 1.2rem;
  color: var(--text-primary);
}

.module-header h4 {
  margin: 0;
  font-size: 1.2rem;
  color: var(--text-primary);
}

.module-resources {
  padding: 1.5rem;
}

.resource-item {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: transform 0.3s ease;
}

.resource-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.resource-item:hover {
  transform: translateX(5px);
}

.resource-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.resource-icon.video {
  background: rgba(255, 64, 129, 0.2);
  color: #FF4081;
}

.resource-icon.article {
  background: rgba(0, 188, 212, 0.2);
  color: #00BCD4;
}

.resource-icon.interactive {
  background: rgba(255, 193, 7, 0.2);
  color: #FFC107;
}

.resource-info {
  flex: 1;
}

.resource-info h5 {
  margin: 0 0 0.3rem;
  font-size: 1rem;
  color: var(--text-primary);
}

.resource-info p {
  margin: 0 0 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.resource-meta {
  display: flex;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.results-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.action-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.5rem;
  border-radius: 25px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.action-button.primary {
  background: var(--gradient-primary);
  color: var(--text-primary);
}

.action-button.secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
}

.action-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.action-button.primary:hover {
  background: var(--accent-secondary);
}

.action-button.secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
}

.action-button i {
  font-size: 1rem;
}

/* Search Process Responsive Design */
@media (max-width: 1024px) {
  .stage-header h2 {
    font-size: 2rem;
  }

  .modules-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

@media (max-width: 640px) {
  .modules-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .stage-content {
    padding: 2rem 1.5rem;
  }

  .stage-header h2 {
    font-size: 1.8rem;
  }

  .discovery-stats {
    flex-direction: column;
  }

  .stat-box {
    width: 100%;
  }

  .path-visualization {
    padding: 1rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .results-actions {
    flex-direction: column;
  }

  .action-button {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .stage-header h2 {
    font-size: 1.5rem;
  }

  .brain-animation {
    width: 150px;
    height: 150px;
  }

  .brain-icon {
    width: 80px;
    height: 80px;
  }

  .process-step {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .step-icon {
    margin-right: 0;
    margin-bottom: 1rem;
  }
}

/* Enhanced Modal Styles */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(11, 18, 26, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  overflow: auto;
}

.modal-content {
  position: relative;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  margin: 5% auto;
  width: 95%;
  max-width: 800px;
  border-radius: var(--hero-radius-lg);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(64, 224, 208, 0.2);
  animation: modal-appear 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
  border: 1px solid rgba(64, 224, 208, 0.3);
  overflow: hidden;
}

.modal-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(64, 224, 208, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

@keyframes modal-appear {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  padding: 30px;
  border-bottom: 1px solid rgba(64, 224, 208, 0.3);
  background: linear-gradient(135deg, rgba(64, 224, 208, 0.15) 0%, rgba(65, 105, 225, 0.1) 100%);
  position: relative;
  z-index: 2;
}

.modal-header-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  z-index: 2;
}

.modal-header h2 {
  margin: 0;
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all 0.3s ease;
}

.modal-header h2 i {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 1.8rem;
}

.modal-subtitle {
  color: var(--text-secondary);
  margin: 8px 0 0 0;
  font-size: 1rem;
  opacity: 0.9;
  line-height: 1.5;
}

.close-modal {
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid rgba(64, 224, 208, 0.3);
  color: var(--accent-secondary);
  font-size: 1.3rem;
  cursor: pointer;
  padding: 10px;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.close-modal::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: 50%;
}

.close-modal:hover::before {
  opacity: 1;
}

.close-modal:hover {
  color: var(--text-primary);
  transform: rotate(90deg) scale(1.1);
  border-color: var(--accent-primary);
  box-shadow: 0 5px 20px rgba(64, 224, 208, 0.3);
}

.close-modal i {
  position: relative;
  z-index: 1;
}

.modal-body {
  padding: 30px;
  max-height: 75vh;
  overflow-y: auto;
  position: relative;
  z-index: 2;
}

/* Enhanced Preference Sections */
.preference-section {
  margin-bottom: 25px;
  padding: 24px;
  background: rgba(20, 30, 43, 0.6);
  border-radius: var(--hero-radius-lg);
  border: 1px solid rgba(64, 224, 208, 0.25);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.preference-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top left, rgba(64, 224, 208, 0.05) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.preference-section:hover::before {
  opacity: 1;
}

.preference-section:hover {
  border-color: rgba(64, 224, 208, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.preference-section h3 {
  margin: 0 0 20px 0;
  font-size: 1.3rem;
  font-weight: 600;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
  z-index: 1;
}

.preference-section h3 i {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 1.2rem;
}

/* Quick Preferences Toggle Switches */
.quick-preferences {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
}

.preference-toggle {
  position: relative;
  display: flex;
  align-items: center;
  padding: 15px;
  background: rgba(64, 224, 208, 0.05);
  border-radius: var(--hero-radius-sm);
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.preference-toggle:hover {
  background: rgba(64, 224, 208, 0.1);
  border-color: rgba(64, 224, 208, 0.3);
}

.preference-toggle input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: relative;
  width: 50px;
  height: 24px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  margin-right: 15px;
  transition: all 0.3s ease;
}

.toggle-slider:before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: white;
  top: 2px;
  left: 2px;
  transition: all 0.3s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.preference-toggle input:checked + .toggle-slider {
  background: var(--accent-primary);
}

.preference-toggle input:checked + .toggle-slider:before {
  transform: translateX(26px);
}

.toggle-label {
  display: flex;
  flex-direction: column;
  color: var(--text-primary);
  font-weight: 500;
}

.toggle-label i {
  margin-bottom: 5px;
  color: var(--accent-primary);
}

/* Form Row Layout */
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

/* Enhanced Form Groups */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
  margin-bottom: 10px;
  font-weight: 500;
  font-size: 1rem;
}

.enhanced-select {
  width: 100%;
  padding: 12px 15px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(64, 224, 208, 0.3);
  border-radius: var(--hero-radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.enhanced-select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(64, 224, 208, 0.1);
}

/* Content Format Grid */
.content-format-grid,
.learning-style-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 15px;
}

.format-card,
.style-card {
  position: relative;
  cursor: pointer;
  background: rgba(0, 0, 0, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--hero-radius-sm);
  padding: 20px 15px;
  text-align: center;
  transition: all 0.3s ease;
  overflow: hidden;
}

.format-card:before,
.style-card:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(64, 224, 208, 0.1) 0%, rgba(64, 224, 208, 0.05) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.format-card:hover,
.style-card:hover {
  border-color: rgba(64, 224, 208, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.format-card:hover:before,
.style-card:hover:before {
  opacity: 1;
}

.format-card input[type="checkbox"],
.style-card input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.format-card input:checked + .format-content,
.style-card input:checked + .style-content {
  position: relative;
}

.format-card input:checked + .format-content:after,
.style-card input:checked + .style-content:after {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  top: -10px;
  right: -10px;
  background: var(--accent-primary);
  color: white;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  animation: checkmark-appear 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.format-content,
.style-content {
  position: relative;
  z-index: 1;
}

.format-content i,
.style-content i {
  font-size: 1.8rem;
  color: var(--accent-primary);
  margin-bottom: 10px;
  display: block;
}

.format-content span,
.style-content span {
  display: block;
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 5px;
}

.format-content small,
.style-content small {
  color: var(--text-secondary);
  font-size: 0.8rem;
  opacity: 0.8;
}

/* Enhanced Form Buttons */
.form-buttons {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 35px;
  padding-top: 25px;
  border-top: 1px solid rgba(64, 224, 208, 0.3);
  position: relative;
  z-index: 2;
}

.form-button {
  padding: 14px 28px;
  border: none;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 1rem;
  position: relative;
  overflow: hidden;
  min-width: 140px;
  justify-content: center;
}

.form-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  transition: all 0.5s ease;
  z-index: 0;
}

.form-button.primary {
  background: var(--gradient-primary);
  color: var(--text-primary);
  box-shadow: 0 5px 20px rgba(64, 224, 208, 0.3);
  border: 2px solid transparent;
}

.form-button.primary::before {
  background: linear-gradient(45deg, var(--accent-secondary), var(--accent-hover));
}

.form-button.primary:hover::before {
  left: 0;
}

.form-button.primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(64, 224, 208, 0.5);
}

.form-button.secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--accent-secondary);
  border: 2px solid rgba(64, 224, 208, 0.3);
}

.form-button.secondary::before {
  background: rgba(64, 224, 208, 0.1);
}

.form-button.secondary:hover::before {
  left: 0;
}

.form-button.secondary:hover {
  color: var(--text-primary);
  border-color: var(--accent-secondary);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(64, 224, 208, 0.2);
}

.form-button i,
.form-button span {
  position: relative;
  z-index: 1;
}

@keyframes checkmark-appear {
  0% {
    transform: scale(0) rotate(180deg);
    opacity: 0;
  }
  100% {
    transform: scale(1) rotate(0deg);
    opacity: 1;
  }
}

/* Toast Notification Styles */
.toast-message {
  position: fixed;
  top: 20px;
  right: 20px;
  background: linear-gradient(45deg, var(--accent-primary), var(--accent-hover));
  color: white;
  padding: 15px 20px;
  border-radius: var(--hero-radius-sm);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  z-index: 10000;
  transform: translateX(400px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  max-width: 350px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.toast-message.show {
  transform: translateX(0);
  opacity: 1;
}

.toast-message.error {
  background: linear-gradient(45deg, #e74c3c, #c0392b);
}

.toast-message.success {
  background: linear-gradient(45deg, #2ecc71, #27ae60);
}

.toast-message.warning {
  background: linear-gradient(45deg, #f39c12, #e67e22);
}

.toast-message i {
  font-size: 1.2rem;
}

/* Error Message Styles */
.error-message {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(231, 76, 60, 0.95);
  color: white;
  padding: 20px 25px;
  border-radius: var(--hero-radius-md);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  z-index: 10001;
  display: flex;
  align-items: center;
  gap: 15px;
  max-width: 400px;
  text-align: center;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.8);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.error-message.show {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.error-message i {
  font-size: 1.5rem;
  color: #fff;
}

/* Mobile Responsiveness for Enhanced Modal */
@media (max-width: 768px) {
  .modal-content {
    margin: 2% auto;
    width: 98%;
  }
  
  .modal-header,
  .modal-body {
    padding: 20px 15px;
  }
  
  .quick-preferences {
    grid-template-columns: 1fr;
  }
  
  .content-format-grid,
  .learning-style-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }
  
  .form-buttons {
    flex-direction: column-reverse;
    gap: 10px;
  }
  
  .form-button {
    width: 100%;
    justify-content: center;
  }
}

  /* Learning Path UI Styles for Vertex AI Integration */

        /* Search Suggestions Styles */
        .search-suggestions {
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            max-height: 200px;
            background-color: var(--bg-tertiary);
            border: 1px solid var(--input-border);
            border-top: none;
            border-radius: 0 0 var(--hero-radius-md) var(--hero-radius-md);
            z-index: 100;
            display: none;
            overflow-y: auto;
        }

        .suggestion-item {
            padding: 10px 15px;
            cursor: pointer;
            transition: background-color var(--hero-transition-fast);
            color: var(--text-primary);
            font-size: 0.95rem;
        }

        .suggestion-item:hover {
            background-color: var(--bg-secondary);
            color: var(--accent-hover);
        }

        /* Learning Style Badges */
        .learning-styles {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 8px;
        }

        .learning-style-badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 8px;
            border-radius: 14px;
            font-size: 0.75rem;
            color: var(--text-primary);
            background-color: var(--bg-tertiary);
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
            animation: badge-fade-in 0.3s ease forwards;
        }

        .learning-style-badge i {
            margin-right: 4px;
            font-size: 0.8rem;
        }

        .learning-style-badge.visual {
            background-color: rgba(65, 105, 225, 0.3);
            border: 1px solid rgba(65, 105, 225, 0.6);
        }

        .learning-style-badge.auditory {
            background-color: rgba(138, 43, 226, 0.3);
            border: 1px solid rgba(138, 43, 226, 0.6);
        }

        .learning-style-badge.reading {
            background-color: rgba(46, 139, 87, 0.3);
            border: 1px solid rgba(46, 139, 87, 0.6);
        }

        .learning-style-badge.kinesthetic {
            background-color: rgba(255, 140, 0, 0.3);
            border: 1px solid rgba(255, 140, 0, 0.6);
        }

        /* Quality Rating Stars */
        .quality-score {
            color: #FFD700;
            font-size: 0.85rem;
        }

        .quality-score i {
            margin-right: 2px;
        }

        .far.fa-star {
            color: var(--text-muted);
        }

        /* Resource Discovery Feed */
        .discovery-feed {
            max-height: 200px;
            overflow-y: auto;
            border-radius: var(--hero-radius-sm);
            background-color: rgba(0, 0, 0, 0.2);
        }

        .feed-item {
            display: flex;
            align-items: center;
            padding: 10px 15px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            animation: feed-item-appear 0.3s ease forwards;
            opacity: 0;
            transform: translateY(10px);
        }

        .feed-icon {
            margin-right: 10px;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background-color: var(--accent-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-primary);
        }

        .feed-content {
            flex: 1;
        }

        .feed-title {
            font-size: 0.85rem;
            color: var(--text-primary);
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 250px;
        }

        .feed-source {
            font-size: 0.75rem;
            color: var(--text-secondary);
        }

        /* Resource Dots in Radar */
        .resource-dot {
            position: absolute;
            width: 8px;
            height: 8px;
            background-color: var(--accent-secondary);
            border-radius: 50%;
            transform: scale(0);
            opacity: 0;
            transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease;
        }

        .resource-dot.found {
            transform: scale(1);
            opacity: 1;
            animation: pulse 1.5s infinite;
        }

        /* Vertex AI Success Message */
        .vertex-success-message {
            background-color: rgba(46, 139, 87, 0.2);
            border-left: 3px solid #2E8B57;
            padding: 10px 15px;
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            border-radius: var(--hero-radius-sm);
            opacity: 0;
            transform: translateY(10px);
            transition: opacity 0.3s ease, transform 0.3s ease;
        }

        .vertex-success-message.show {
            opacity: 1;
            transform: translateY(0);
        }

        .vertex-success-message i {
            color: #2E8B57;
            font-size: 1.2rem;
            margin-right: 10px;
        }

        .vertex-success-message span {
            color: var(--text-primary);
        }

        /* AI Generation Badge */
        .ai-generation-badge {
            display: flex;
            align-items: center;
            padding: 5px 10px;
            background-color: rgba(65, 105, 225, 0.2);
            border-radius: var(--hero-radius-md);
            color: var(--text-primary);
            font-size: 0.85rem;
            margin-top: 10px;
        }

        .ai-generation-badge i {
            margin-right: 5px;
            color: var(--accent-primary);
        }
        
        /* Enhanced Modal Styles */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.8);
            backdrop-filter: blur(5px);
            z-index: 1000;
            overflow: auto;
        }
        
        .modal-content {
            position: relative;
            background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(30, 30, 30, 0.95) 100%);
            margin: 5% auto;
            width: 95%;
            max-width: 800px;
            border-radius: var(--hero-radius-md);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
            animation: modal-appear 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
            border: 1px solid rgba(64, 224, 208, 0.2);
        }
        
        .modal-header {
            padding: 25px 30px;
            border-bottom: 1px solid rgba(64, 224, 208, 0.2);
            background: linear-gradient(90deg, rgba(64, 224, 208, 0.1) 0%, rgba(64, 224, 208, 0.05) 100%);
        }
        
        .modal-header-content {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
        }
        
        .modal-header h2 {
            color: var(--text-primary);
            margin: 0;
            font-size: 1.8rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .modal-subtitle {
            color: var(--text-secondary);
            margin: 5px 0 0 0;
            font-size: 0.95rem;
            opacity: 0.8;
        }
        
        .close-modal {
            background: rgba(255, 255, 255, 0.1);
            border: none;
            color: var(--text-muted);
            font-size: 1.2rem;
            cursor: pointer;
            padding: 8px;
            border-radius: 50%;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }
        
        .close-modal:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.2);
            transform: rotate(90deg);
        }
        
        .modal-body {
            padding: 30px;
            max-height: 75vh;
            overflow-y: auto;
        }
        
        /* Enhanced Preference Sections */
        .preference-section {
            margin-bottom: 30px;
            padding: 20px;
            background: rgba(0, 0, 0, 0.2);
            border-radius: var(--hero-radius-md);
            border: 1px solid rgba(64, 224, 208, 0.1);
        }
        
        .preference-section h3 {
            color: var(--accent-primary);
            margin: 0 0 20px 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        /* Quick Preferences Toggle Switches */
        .quick-preferences {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
        }
        
        .preference-toggle {
            position: relative;
            display: flex;
            align-items: center;
            padding: 15px;
            background: rgba(64, 224, 208, 0.05);
            border-radius: var(--hero-radius-sm);
            cursor: pointer;
            transition: all 0.3s ease;
            border: 1px solid transparent;
        }
        
        .preference-toggle:hover {
            background: rgba(64, 224, 208, 0.1);
            border-color: rgba(64, 224, 208, 0.3);
        }
        
        .preference-toggle input[type="checkbox"] {
            position: absolute;
            opacity: 0;
            width: 0;
            height: 0;
        }
        
        .toggle-slider {
            position: relative;
            width: 50px;
            height: 24px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 12px;
            margin-right: 15px;
            transition: all 0.3s ease;
        }
        
        .toggle-slider:before {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: white;
            top: 2px;
            left: 2px;
            transition: all 0.3s ease;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
        }
        
        .preference-toggle input:checked + .toggle-slider {
            background: var(--accent-primary);
        }
        
        .preference-toggle input:checked + .toggle-slider:before {
            transform: translateX(26px);
        }
        
        .toggle-label {
            display: flex;
            flex-direction: column;
            color: var(--text-primary);
            font-weight: 500;
        }
        
        .toggle-label i {
            margin-bottom: 5px;
            color: var(--accent-primary);
        }
        
        /* Form Row Layout */
        .form-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
        }
        
        /* Enhanced Form Groups */
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-primary);
            margin-bottom: 10px;
            font-weight: 500;
            font-size: 1rem;
        }
        
        .enhanced-select {
            width: 100%;
            padding: 12px 15px;
            background: rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(64, 224, 208, 0.3);
            border-radius: var(--hero-radius-sm);
            color: var(--text-primary);
            font-size: 0.95rem;
            transition: all 0.3s ease;
        }
        
        .enhanced-select:focus {
            outline: none;
            border-color: var(--accent-primary);
            box-shadow: 0 0 0 3px rgba(64, 224, 208, 0.1);
        }
        
        /* Content Format Grid */
        .content-format-grid,
        .learning-style-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 15px;
        }
        
        .format-card,
        .style-card {
            position: relative;
            cursor: pointer;
            background: rgba(0, 0, 0, 0.2);
            border: 2px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--hero-radius-sm);
            padding: 20px 15px;
            text-align: center;
            transition: all 0.3s ease;
            overflow: hidden;
        }
        
        .format-card:before,
        .style-card:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(64, 224, 208, 0.1) 0%, rgba(64, 224, 208, 0.05) 100%);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .format-card:hover,
        .style-card:hover {
            border-color: rgba(64, 224, 208, 0.5);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }
        
        .format-card:hover:before,
        .style-card:hover:before {
            opacity: 1;
        }
        
        .format-card input[type="checkbox"],
        .style-card input[type="checkbox"] {
            position: absolute;
            opacity: 0;
            width: 0;
            height: 0;
        }
        
        .format-card input:checked + .format-content,
        .style-card input:checked + .style-content {
            position: relative;
        }
        
        .format-card input:checked + .format-content:after,
        .style-card input:checked + .style-content:after {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            top: -10px;
            right: -10px;
            background: var(--accent-primary);
            color: white;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            animation: checkmark-appear 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }
        
        .format-content,
        .style-content {
            position: relative;
            z-index: 1;
        }
        
        .format-content i,
        .style-content i {
            font-size: 1.8rem;
            color: var(--accent-primary);
            margin-bottom: 10px;
            display: block;
        }
        
        .format-content span,
        .style-content span {
            display: block;
            color: var(--text-primary);
            font-weight: 600;
            margin-bottom: 5px;
        }
        
        .format-content small,
        .style-content small {
            color: var(--text-secondary);
            font-size: 0.8rem;
            opacity: 0.8;
        }
        
        /* Enhanced Form Buttons */
        .form-buttons {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid rgba(64, 224, 208, 0.2);
        }
        
        .form-button {
            padding: 12px 24px;
            border: none;
            border-radius: var(--hero-radius-sm);
            cursor: pointer;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s ease;
            font-size: 0.95rem;
            position: relative;
            overflow: hidden;
        }
        
        .form-button.primary {
            background: linear-gradient(45deg, var(--accent-primary), var(--accent-hover));
            color: white;
            box-shadow: 0 4px 15px rgba(64, 224, 208, 0.3);
        }
        
        .form-button.primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(64, 224, 208, 0.4);
        }
        
        .form-button.secondary {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-secondary);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .form-button.secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            color: var(--text-primary);
        }
        
        @keyframes checkmark-appear {
            0% {
                transform: scale(0) rotate(180deg);
                opacity: 0;
            }
            100% {
                transform: scale(1) rotate(0deg);
                opacity: 1;
            }
        }
        
        /* Mobile Responsiveness */
        @media (max-width: 768px) {
            .modal-content {
                margin: 2% auto;
                width: 98%;
            }
            
            .modal-header,
            .modal-body {
                padding: 20px 15px;
            }
            
            .quick-preferences {
                grid-template-columns: 1fr;
            }
            
            .content-format-grid,
            .learning-style-grid {
                grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            }
            
            .form-buttons {
                flex-direction: column-reverse;
                gap: 10px;
            }
            
            .form-button {
                width: 100%;
                justify-content: center;
            }
        }
        
        /* Preferences Form Styles */
        .preferences-form {
            padding: 15px 0;
        }
        
        .form-group {
            margin-bottom: 15px;
        }
        
        .form-group label {
            display: block;
            color: var(--text-primary);
            margin-bottom: 5px;
            font-weight: 500;
        }
        
        .form-group select,
        .form-group input[type="text"],
        .form-group input[type="number"] {
            width: 100%;
            padding: 10px;
            background-color: var(--bg-tertiary);
            border: 1px solid var(--input-border);
            border-radius: var(--hero-radius-sm);
            color: var(--text-primary);
        }
        
        .checkbox-group {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
            gap: 10px;
            margin-top: 10px;
        }
        
        .checkbox-label {
            display: flex;
            align-items: center;
            color: var(--text-secondary);
            cursor: pointer;
        }
        
        .checkbox-label input {
            margin-right: 6px;
        }
        
        /* Quick Search Options */
        .search-options {
            display: flex;
            justify-content: center;
            margin-top: 15px;
            flex-wrap: wrap;
            gap: 20px;
        }
        
        .search-options .option {
            display: flex;
            align-items: center;
            color: var(--text-primary);
            user-select: none;
        }
        
        .search-options .option input {
            margin-right: 6px;
        }
        
        .search-options .option label {
            cursor: pointer;
            font-size: 0.9rem;
        }
        
        /* Hero Search Button Animation */
        .hero-search-button {
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        .hero-search-button i {
            margin-right: 6px;
            transition: transform 0.3s ease;
        }
        
        .hero-search-button:hover i {
            transform: scale(1.2);
        }
        
        .hero-search-button::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 5px;
            height: 5px;
            background-color: rgba(255, 255, 255, 0.5);
            border-radius: 100%;
            transform: scale(0);
            opacity: 0;
            transition: all 0.5s ease;
        }
        
        .hero-search-button:hover::after {
            transform: scale(20);
            opacity: 0;
        }
        
        /* Enhanced Customize Button Styles */
        .hero-preferences-button {
            margin-left: 10px;
            padding: 12px 24px;
            background: var(--bg-secondary);
            border: 2px solid var(--accent-primary);
            color: var(--accent-primary);
            border-radius: 25px;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            font-weight: 600;
            font-size: 1rem;
            position: relative;
            overflow: hidden;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        
        .hero-preferences-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(65, 105, 225, 0.1);
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: 0;
        }
        
        .hero-preferences-button:hover::before {
            opacity: 1;
        }
        
        .hero-preferences-button:hover {
            color: var(--accent-secondary);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(65, 105, 225, 0.2);
            border-color: var(--accent-secondary);
            background: rgba(65, 105, 225, 0.05);
        }
        
        .hero-preferences-button i,
        .hero-preferences-button span {
            position: relative;
            z-index: 1;
            transition: transform 0.3s ease;
        }
        
        .hero-preferences-button:hover i {
            transform: rotate(15deg) scale(1.05);
        }
        
        /* Responsive adjustments for buttons */
        @media (max-width: 768px) {
            .cta-group {
                flex-direction: column;
                gap: 10px;
            }
            
            .hero-preferences-button {
                margin-left: 0;
                width: 100%;
            }
        }
        
        .form-buttons {
            display: flex;
            justify-content: flex-end;
            margin-top: 20px;
        }
        
        .form-button {
            padding: 10px 20px;
            background-color: var(--accent-primary);
            color: white;
            border: none;
            border-radius: var(--hero-radius-sm);
            cursor: pointer;
            transition: background-color var(--hero-transition-fast);
        }
        
        .form-button:hover {
            background-color: var(--accent-hover);
        }
        
        @keyframes modal-appear {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* Toast Notification Styles */
        .toast-message {
            position: fixed;
            top: 20px;
            right: 20px;
            background: linear-gradient(45deg, var(--accent-primary), var(--accent-hover));
            color: white;
            padding: 15px 20px;
            border-radius: var(--hero-radius-sm);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
            z-index: 10000;
            transform: translateX(400px);
            opacity: 0;
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            max-width: 350px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .toast-message.show {
            transform: translateX(0);
            opacity: 1;
        }
        
        .toast-message.error {
            background: linear-gradient(45deg, #e74c3c, #c0392b);
        }
        
        .toast-message.success {
            background: linear-gradient(45deg, #2ecc71, #27ae60);
        }
        
        .toast-message.warning {
            background: linear-gradient(45deg, #f39c12, #e67e22);
        }
        
        .toast-message i {
            font-size: 1.2rem;
        }
        
        /* Error Message Styles */
        .error-message {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: rgba(231, 76, 60, 0.95);
            color: white;
            padding: 20px 25px;
            border-radius: var(--hero-radius-md);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
            z-index: 10001;
            display: flex;
            align-items: center;
            gap: 15px;
            max-width: 400px;
            text-align: center;
            opacity: 0;
            transform: translate(-50%, -50%) scale(0.8);
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }
        
        .error-message.show {
            opacity: 1;
            transform: translate(-50%, -50%) scale(1);
        }
        
        .error-message i {
            font-size: 1.5rem;
            color: #fff;
        }

        /* Animations */
        @keyframes badge-fade-in {
            from {
                opacity: 0;
                transform: translateY(5px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes feed-item-appear {
            0% {
                opacity: 0;
                transform: translateY(10px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(64, 224, 208, 0.7);
            }
            70% {
                box-shadow: 0 0 0 10px rgba(64, 224, 208, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(64, 224, 208, 0);
            }
        }
   
   /* Individual Resources Section Styles */
   .individual-resources-container {
       margin: 3rem 0 2rem;
       padding: 2rem;
       background: var(--bg-tertiary);
       border-radius: var(--hero-radius-lg);
       border: 1px solid var(--input-border);
   }
   
   .resources-header {
       text-align: center;
       margin-bottom: 2rem;
   }
   
   .resources-header h3 {
       font-size: 1.8rem;
       color: var(--text-primary);
       margin-bottom: 0.5rem;
       display: flex;
       align-items: center;
       justify-content: center;
       gap: 0.8rem;
   }
   
   .resources-header h3 i {
       color: var(--accent-primary);
   }
   
   .resources-header p {
       color: var(--text-secondary);
       font-size: 1rem;
       margin: 0 auto;
       max-width: 600px;
       line-height: 1.5;
   }
   
   /* Resource Filters */
   .resources-filters {
       display: flex;
       justify-content: space-between;
       align-items: center;
       margin-bottom: 2rem;
       gap: 1rem;
       flex-wrap: nowrap; 
   }
   
   .filter-tabs {
       display: flex;
       gap: 0.5rem;
       flex-wrap: nowrap; 
       flex: 1;
       justify-content: flex-start;
   }
   
   .filter-tab {
       display: flex;
       align-items: center;
       gap: 0.5rem;
       padding: 0.8rem 1.2rem;
       background: rgba(255, 255, 255, 0.05);
       border: 1px solid rgba(255, 255, 255, 0.1);
       border-radius: var(--hero-radius-md);
       color: var(--text-secondary);
       cursor: pointer;
       transition: all 0.3s ease;
       font-size: 0.9rem;
       white-space: nowrap;
   }
   
   .filter-tab:hover {
       background: rgba(255, 255, 255, 0.1);
       color: var(--text-primary);
       transform: translateY(-2px);
   }
   
   .filter-tab.active {
       background: var(--accent-primary);
       color: var(--text-primary);
       border-color: var(--accent-primary);
       box-shadow: 0 4px 15px rgba(65, 105, 225, 0.3);
   }
   
   .filter-tab i {
       font-size: 1rem;
   }
   
   .sort-options {
       min-width: 180px;
       flex-shrink: 0;
       margin-left: auto; 
   }
   
   .sort-select {
       width: 100%;
       padding: 0.8rem 1rem;
       background: var(--bg-secondary);
       border: 1px solid var(--input-border);
       border-radius: var(--hero-radius-md);
       color: var(--text-primary);
       font-size: 0.9rem;
       cursor: pointer;
       transition: all 0.3s ease;
   }
   
   .sort-select:focus {
       outline: none;
       border-color: var(--accent-primary);
       box-shadow: 0 0 0 3px rgba(65, 105, 225, 0.2);
   }
   
   /* Resources Grid */
   .resources-grid {
       display: grid;
       grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
       gap: 1.5rem;
       margin-bottom: 2rem;
   }
   
   .individual-resource-card {
       background: var(--bg-secondary);
       border-radius: var(--hero-radius-lg);
       border: 1px solid rgba(255, 255, 255, 0.1);
       overflow: hidden;
       transition: all 0.3s ease;
       position: relative;
   }
   
   .individual-resource-card:hover {
       transform: translateY(-5px);
       box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
       border-color: var(--accent-secondary);
   }
   
   /* Resource Card Header */
   .resource-card-header {
       display: flex;
       justify-content: space-between;
       align-items: center;
       padding: 1rem 1.2rem 0.5rem;
   }
   
   .resource-type-badge {
       display: flex;
       align-items: center;
       gap: 0.5rem;
       padding: 0.4rem 0.8rem;
       border-radius: var(--hero-radius-md);
       font-size: 0.8rem;
       font-weight: 600;
       text-transform: uppercase;
       letter-spacing: 0.5px;
   }
   
   .resource-type-badge.video {
       background: rgba(255, 64, 129, 0.2);
       color: #FF4081;
       border: 1px solid rgba(255, 64, 129, 0.4);
   }
   
   .resource-type-badge.article {
       background: rgba(0, 188, 212, 0.2);
       color: #00BCD4;
       border: 1px solid rgba(0, 188, 212, 0.4);
   }
   
   .resource-type-badge.interactive {
       background: rgba(255, 193, 7, 0.2);
       color: #FFC107;
       border: 1px solid rgba(255, 193, 7, 0.4);
   }
   
   .resource-type-badge.course {
       background: rgba(76, 175, 80, 0.2);
       color: #4CAF50;
       border: 1px solid rgba(76, 175, 80, 0.4);
   }
   
   .resource-actions {
       display: flex;
       gap: 0.5rem;
   }
   
   .resource-action-btn {
       width: 32px;
       height: 32px;
       border: none;
       border-radius: 50%;
       background: rgba(255, 255, 255, 0.1);
       color: var(--text-secondary);
       cursor: pointer;
       transition: all 0.3s ease;
       display: flex;
       align-items: center;
       justify-content: center;
       font-size: 0.9rem;
   }
   
   .resource-action-btn:hover {
       background: rgba(255, 255, 255, 0.2);
       color: var(--text-primary);
       transform: scale(1.1);
   }
   
   .resource-action-btn.bookmark.active {
       background: var(--accent-primary);
       color: var(--text-primary);
   }
   
   /* Resource Content */
   .resource-content {
       padding: 0 1.2rem 1rem;
   }
   
   .resource-title {
       font-size: 1.1rem;
       color: var(--text-primary);
       margin-bottom: 0.8rem;
       line-height: 1.4;
       font-weight: 600;
   }
   
   .resource-description {
       color: var(--text-secondary);
       font-size: 0.9rem;
       line-height: 1.5;
       margin-bottom: 1rem;
       display: -webkit-box;
       -webkit-line-clamp: 2;
       -webkit-box-orient: vertical;
       overflow: hidden;
   }
   
   /* Resource Metadata */
   .resource-metadata {
       margin-bottom: 1rem;
   }
   
   .metadata-row {
       display: flex;
       align-items: center;
       gap: 1rem;
       margin-bottom: 0.5rem;
       flex-wrap: wrap;
       justify-content: flex-start;
   }
   
   .metadata-item {
       display: flex;
       align-items: center;
       gap: 0.4rem;
       color: var(--text-secondary);
       font-size: 0.85rem;
   }
   
   .metadata-item i {
       color: var(--accent-primary);
       font-size: 0.8rem;
   }
   
   .metadata-item.quality-rating {
       color: #FFD700;
   }
   
   .metadata-item.quality-rating i {
       color: #FFD700;
   }
   
   .metadata-item.source {
       color: var(--accent-secondary);
   }
   
   /* Learning Style Badges */
   .learning-styles {
       display: flex;
       flex-wrap: wrap;
       gap: 0.5rem;
       margin-bottom: 1rem;
       justify-content: flex-start;
   }
   
   .learning-style-badge {
       display: inline-flex;
       align-items: center;
       gap: 0.3rem;
       padding: 0.3rem 0.6rem;
       border-radius: var(--hero-radius-md);
       font-size: 0.75rem;
       font-weight: 500;
       transition: transform 0.3s ease;
   }
   
   .learning-style-badge:hover {
       transform: scale(1.05);
   }
   
   .learning-style-badge.visual {
       background: rgba(65, 105, 225, 0.2);
       color: var(--accent-primary);
       border: 1px solid rgba(65, 105, 225, 0.4);
   }
   
   .learning-style-badge.auditory {
       background: rgba(138, 43, 226, 0.2);
       color: #8A2BE2;
       border: 1px solid rgba(138, 43, 226, 0.4);
   }
   
   .learning-style-badge.reading {
       background: rgba(46, 139, 87, 0.2);
       color: #2E8B57;
       border: 1px solid rgba(46, 139, 87, 0.4);
   }
   
   .learning-style-badge.kinesthetic {
       background: rgba(255, 140, 0, 0.2);
       color: #FF8C00;
       border: 1px solid rgba(255, 140, 0, 0.4);
   }
   
   /* Resource Card Footer */
   .resource-card-footer {
       padding: 0 1.2rem 1.2rem;
       display: flex;
       gap: 0.8rem;
   }
   
   .resource-action-btn.primary {
       flex: 1;
       height: auto;
       padding: 0.8rem 1.2rem;
       border-radius: var(--hero-radius-md);
       background: var(--accent-primary);
       color: var(--text-primary);
       font-weight: 600;
       font-size: 0.9rem;
       gap: 0.5rem;
       justify-content: center;
   }
   
   .resource-action-btn.primary:hover {
       background: var(--accent-secondary);
       transform: translateY(-2px);
       box-shadow: 0 5px 15px rgba(65, 105, 225, 0.3);
   }
   
   .resource-action-btn.secondary {
       height: auto;
       padding: 0.8rem 1rem;
       border-radius: var(--hero-radius-md);
       background: rgba(255, 255, 255, 0.1);
       border: 1px solid rgba(255, 255, 255, 0.2);
       min-width: 120px;
       font-size: 0.85rem;
       font-weight: 500;
       white-space: nowrap;
       display: flex;
       align-items: center;
       justify-content: center;
       gap: 0.4rem;
   }
   
   .resource-action-btn.secondary:hover {
       background: rgba(255, 255, 255, 0.2);
   }
   
   .resource-action-btn.add-to-course.selected {
       background: var(--accent-secondary);
       color: var(--text-primary);
       border-color: var(--accent-secondary);
   }
   
   /* Resources Pagination */
   .resources-pagination {
       text-align: center;
       margin-bottom: 2rem;
       display: flex;
       justify-content: center;
       align-items: center;
   }
   
   .pagination-btn {
       display: inline-flex;
       align-items: center;
       gap: 0.5rem;
       padding: 1rem 2rem;
       background: rgba(255, 255, 255, 0.1);
       border: 1px solid rgba(255, 255, 255, 0.2);
       border-radius: var(--hero-radius-md);
       color: var(--text-secondary);
       cursor: pointer;
       transition: all 0.3s ease;
       font-size: 0.9rem;
       font-weight: 500;
   }
   
   .pagination-btn:hover {
       background: rgba(255, 255, 255, 0.2);
       color: var(--text-primary);
       transform: translateY(-2px);
       box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
   }
   
   /* Selected Resources Summary */
   .selected-resources-summary {
       margin-top: 2rem;
       padding: 1.5rem;
       background: rgba(65, 105, 225, 0.1);
       border: 1px solid rgba(65, 105, 225, 0.3);
       border-radius: var(--hero-radius-lg);
       animation: slideIn 0.3s ease;
   }
   
   .summary-header {
       display: flex;
       justify-content: space-between;
       align-items: center;
       margin-bottom: 1rem;
       flex-wrap: wrap;
       gap: 1rem;
   }
   
   .summary-header h4 {
       color: var(--text-primary);
       margin: 0;
       display: flex;
       align-items: center;
       gap: 0.5rem;
   }
   
   .summary-header h4 i {
       color: var(--accent-primary);
   }
   
   .summary-actions {
       display: flex;
       gap: 0.8rem;
       flex-wrap: wrap;
   }
   
   .summary-action-btn {
       padding: 0.6rem 1.2rem;
       border: none;
       border-radius: var(--hero-radius-md);
       cursor: pointer;
       transition: all 0.3s ease;
       font-size: 0.9rem;
       font-weight: 500;
       display: flex;
       align-items: center;
       gap: 0.5rem;
   }
   
   .summary-action-btn:not(.secondary) {
       background: var(--accent-primary);
       color: var(--text-primary);
   }
   
   .summary-action-btn:not(.secondary):hover {
       background: var(--accent-secondary);
       transform: translateY(-2px);
       box-shadow: 0 5px 15px rgba(65, 105, 225, 0.3);
   }
   
   .summary-action-btn.secondary {
       background: rgba(255, 255, 255, 0.1);
       color: var(--text-secondary);
       border: 1px solid rgba(255, 255, 255, 0.2);
   }
   
   .summary-action-btn.secondary:hover {
       background: rgba(255, 255, 255, 0.2);
       color: var(--text-primary);
   }
   
   .selected-resources-list {
       display: flex;
       flex-direction: column;
       gap: 0.8rem;
   }
   
   .selected-resource-item {
       display: flex;
       align-items: center;
       justify-content: space-between;
       padding: 0.8rem;
       background: rgba(255, 255, 255, 0.05);
       border-radius: var(--hero-radius-md);
       border: 1px solid rgba(255, 255, 255, 0.1);
   }
   
   .selected-resource-info {
       display: flex;
       align-items: center;
       gap: 0.8rem;
       flex: 1;
   }
   
   .selected-resource-type {
       width: 30px;
       height: 30px;
       border-radius: 50%;
       display: flex;
       align-items: center;
       justify-content: center;
       font-size: 0.8rem;
   }
   
   .selected-resource-details h5 {
       margin: 0 0 0.2rem;
       color: var(--text-primary);
       font-size: 0.9rem;
   }
   
   .selected-resource-details p {
       margin: 0;
       color: var(--text-secondary);
       font-size: 0.8rem;
   }
   
   .selected-resource-remove {
       width: 24px;
       height: 24px;
       border: none;
       border-radius: 50%;
       background: rgba(255, 255, 255, 0.1);
       color: var(--text-secondary);
       cursor: pointer;
       transition: all 0.3s ease;
       display: flex;
       align-items: center;
       justify-content: center;
   }
   
   .selected-resource-remove:hover {
       background: rgba(231, 76, 60, 0.8);
       color: white;
   }
   
   /* Animations */
   @keyframes slideIn {
       from {
           opacity: 0;
           transform: translateY(20px);
       }
       to {
           opacity: 1;
           transform: translateY(0);
       }
   }
   
   /* Responsive Design for Individual Resources */
   @media (max-width: 1024px) {
       .resources-grid {
           grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
           justify-items: center;
       }
       
       .resources-filters {
           flex-direction: row;
           flex-wrap: wrap; 
           justify-content: center;
           align-items: center;
           gap: 1rem;
       }
       
       .filter-tabs {
           justify-content: center;
           flex: 1;
           min-width: 280px; 
       }
       
       .sort-options {
           min-width: 180px; 
           max-width: 220px; 
       }
   }
   
   @media (max-width: 768px) {
       .individual-resources-container {
           padding: 1.5rem;
           margin: 2rem 0 1.5rem;
       }
       
       .resources-grid {
           grid-template-columns: 1fr;
           gap: 1rem;
       }
       
       .resources-filters {
           flex-direction: column;
           align-items: center;
           gap: 1.5rem;
           justify-content: center;
       }
       
       .filter-tabs {
           width: 100%;
           justify-content: center;
       }
       
       .sort-options {
           width: 100%;
           max-width: 300px;
       }
   
   /* CTA Group Layout Enhancement */
   .cta-group {
       display: flex;
       gap: 12px;
       justify-content: center;
       align-items: center;
       flex-wrap: wrap;
   }
   
   /* Additional Responsive adjustments for enhanced buttons */
   @media (max-width: 768px) {
       .cta-group {
           flex-direction: column;
           gap: 12px;
           width: 100%;
       }
       
       .hero-preferences-button,
       .hero-search-button {
           margin-left: 0;
           width: 100%;
           max-width: 300px;
       }
   }
   
   @media (max-width: 480px) {
       .hero-preferences-button,
       .hero-search-button {
           font-size: 0.95rem;
           padding: 12px 20px;
       }
       
       .hero-preferences-button i {
           font-size: 0.9rem;
       }
   }
       
       .filter-tabs {
           display: grid;
           grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
           gap: 0.5rem;
           width: 100%;
       }
       
       .filter-tab {
           justify-content: center;
           text-align: center;
       }
       
       .metadata-row {
           flex-direction: column;
           align-items: center;
           gap: 0.5rem;
           text-align: center;
       }
       
       .metadata-row:first-child {
           align-items: center;
       }
       
       .resource-card-footer {
           flex-direction: column;
           gap: 0.5rem;
       }
       
       .summary-header {
           flex-direction: column;
           align-items: stretch;
           text-align: center;
       }
       
       .summary-actions {
           justify-content: center;
       }
   }
   
   @media (max-width: 480px) {
       .resource-card-header {
           flex-direction: column;
           gap: 0.8rem;
           align-items: flex-start;
       }
       
       .resource-actions {
           align-self: flex-end;
       }
       
       .resources-header h3 {
           font-size: 1.5rem;
       }
       
       .learning-styles {
           justify-content: center;
       }
       
       .resource-card-footer {
           align-items: center;
       }
       
       .resource-action-btn.secondary {
           min-width: 100px;
           font-size: 0.8rem;
       }
   }
   
   /* Filter Animation States */
   .individual-resource-card.filtered-out {
       display: none;
   }
   
   .individual-resource-card.filtered-in {
       animation: fadeInUp 0.3s ease forwards;
   }
   
   @keyframes fadeInUp {
       from {
           opacity: 0;
           transform: translateY(20px);
       }
       to {
           opacity: 1;
           transform: translateY(0);
       }
   }
   
   /* Loading States */
   .resources-grid.loading {
       opacity: 0.6;
       pointer-events: none;
   }
   
   .resources-loading-spinner {
       display: flex;
       justify-content: center;
       align-items: center;
       padding: 2rem;
   }
   
   .spinner {
       width: 40px;
       height: 40px;
       border: 4px solid rgba(65, 105, 225, 0.2);
       border-top: 4px solid var(--accent-primary);
       border-radius: 50%;
       animation: spin 1s linear infinite;
   }
   
   @keyframes spin {
       0% { transform: rotate(0deg); }
       100% { transform: rotate(360deg); }
   }
   
   /* Toast Messages for Individual Resources */
   .toast-message {
       position: fixed;
       top: 20px;
       right: 20px;
       padding: 1rem 1.5rem;
       border-radius: var(--hero-radius-md);
       color: white;
       font-weight: 500;
       display: flex;
       align-items: center;
       gap: 0.5rem;
       z-index: 10000;
       opacity: 0;
       transform: translateX(100%);
       transition: all 0.3s ease;
       min-width: 300px;
       box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
   }
   
   .toast-message.show {
       opacity: 1;
       transform: translateX(0);
   }
   
   .toast-message.success {
       background: linear-gradient(135deg, #4CAF50, #45a049);
   }
   
   .toast-message.error {
       background: linear-gradient(135deg, #f44336, #da190b);
   }
   
   .toast-message.warning {
       background: linear-gradient(135deg, #ff9800, #f57c00);
   }
   
   .toast-message.info {
       background: linear-gradient(135deg, #2196F3, #1976D2);
   }
   
   .toast-message i {
       font-size: 1.2rem;
   }
   
   /* Responsive adjustments for toast messages */
   @media (max-width: 768px) {
       .toast-message {
           top: 10px;
           right: 10px;
           left: 10px;
           min-width: auto;
           width: auto;
       }
   }

/* ========================================================= */
/* ENHANCED COURSE MODULE STYLING - MATCHING INDIVIDUAL RESOURCE CARDS */
/* ========================================================= */

.course-module-card {
    background: var(--bg-secondary) !important;
    border-radius: var(--hero-radius-lg) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    overflow: hidden !important;
    transition: all 0.3s ease !important;
    position: relative !important;
    margin-bottom: 1.5rem !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2) !important;
}

.course-module-card:hover {
    transform: translateY(-5px) !important;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3) !important;
    border-color: var(--accent-secondary) !important;
}

.course-module-card .course-module-header {
    display: flex !important;
    justify-content: space-between !important;
    align-items: flex-start !important;
    padding: 1rem 1.2rem 0.5rem !important;
    background: transparent !important;
    color: var(--text-primary) !important;
}

.course-module-card .module-number .module-badge {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    padding: 0.4rem 0.8rem !important;
    border-radius: var(--hero-radius-md) !important;
    font-size: 0.8rem !important;
    font-weight: 600 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
    background: rgba(65, 105, 225, 0.2) !important;
    color: var(--accent-primary) !important;
    border: 1px solid rgba(65, 105, 225, 0.4) !important;
}

.course-module-card .module-title-section {
    flex: 1 !important;
    padding: 0 1.2rem 1rem !important;
}

.course-module-card .module-title {
    font-size: 1.1rem !important;
    color: var(--text-primary) !important;
    margin-bottom: 0.8rem !important;
    line-height: 1.4 !important;
    font-weight: 600 !important;
}

.course-module-card .module-description {
    color: var(--text-secondary) !important;
    font-size: 0.9rem !important;
    line-height: 1.5 !important;
    margin-bottom: 1rem !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
}

.course-module-card .module-stats {
    display: flex !important;
    align-items: center !important;
    gap: 1rem !important;
    margin-bottom: 1rem !important;
    flex-wrap: wrap !important;
    justify-content: flex-start !important;
}

.course-module-card .stat-item {
    display: flex !important;
    align-items: center !important;
    gap: 0.4rem !important;
    color: var(--text-secondary) !important;
    font-size: 0.85rem !important;
}

.course-module-card .stat-item i {
    color: var(--accent-primary) !important;
    font-size: 0.8rem !important;
}

.course-module-card .module-progress {
    display: flex !important;
    gap: 0.5rem !important;
}

.course-module-card .progress-circle {
    width: 32px !important;
    height: 32px !important;
    border: none !important;
    border-radius: 50% !important;
    background: rgba(255, 255, 255, 0.1) !important;
    color: var(--text-secondary) !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 0.9rem !important;
}

.course-module-card .progress-circle:hover {
    background: rgba(255, 255, 255, 0.2) !important;
    color: var(--text-primary) !important;
    transform: scale(1.1) !important;
}

.course-module-card .progress-text {
    font-size: 10px !important;
    font-weight: 600 !important;
}

.course-module-card .course-module-content {
    padding: 0 1.2rem 1rem !important;
}

.course-module-card .resources-header {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 0.5rem !important;
    margin-bottom: 1rem !important;
    justify-content: flex-start !important;
}

.course-module-card .resources-header h4 {
    margin: 0 !important;
    color: var(--text-primary) !important;
    font-size: 0.9rem !important;
    font-weight: 600 !important;
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
}

.course-module-card .expand-toggle {
    display: inline-flex !important;
    align-items: center !important;
    gap: 0.3rem !important;
    padding: 0.3rem 0.6rem !important;
    border-radius: var(--hero-radius-md) !important;
    font-size: 0.75rem !important;
    font-weight: 500 !important;
    transition: transform 0.3s ease !important;
    background: rgba(138, 43, 226, 0.2) !important;
    color: #8A2BE2 !important;
    border: 1px solid rgba(138, 43, 226, 0.4) !important;
    cursor: pointer !important;
}

.course-module-card .expand-toggle:hover {
    transform: scale(1.05) !important;
}

.course-module-card .course-resources-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)) !important;
    gap: 1rem !important;
    margin-bottom: 1rem !important;
}

.course-module-card .course-resource-card {
    background: var(--bg-tertiary) !important;
    border-radius: var(--hero-radius-md) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    padding: 1rem !important;
    transition: all 0.3s ease !important;
    position: relative !important;
}

.course-module-card .course-resource-card:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2) !important;
    border-color: var(--accent-secondary) !important;
}

.course-module-card .resource-type-indicator {
    flex-shrink: 0 !important;
    width: 32px !important;
    height: 32px !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 14px !important;
    margin-bottom: 0.5rem !important;
}

.course-module-card .resource-video .resource-type-indicator {
    background: rgba(255, 64, 129, 0.2) !important;
    color: #FF4081 !important;
}

.course-module-card .resource-code .resource-type-indicator {
    background: rgba(255, 193, 7, 0.2) !important;
    color: #FFC107 !important;
}

.course-module-card .resource-reference .resource-type-indicator {
    background: rgba(0, 188, 212, 0.2) !important;
    color: #00BCD4 !important;
}

.course-module-card .resource-course .resource-type-indicator {
    background: rgba(76, 175, 80, 0.2) !important;
    color: #4CAF50 !important;
}

.course-module-card .resource-article .resource-type-indicator {
    background: rgba(0, 188, 212, 0.2) !important;
    color: #00BCD4 !important;
}

.course-module-card .resource-content {
    flex: 1 !important;
}

.course-module-card .resource-main {
    margin-bottom: 0.8rem !important;
}

.course-module-card .resource-title {
    margin: 0 0 0.5rem 0 !important;
    font-size: 0.95rem !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    line-height: 1.4 !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
}

.course-module-card .resource-snippet {
    margin: 0 !important;
    font-size: 0.85rem !important;
    color: var(--text-secondary) !important;
    line-height: 1.4 !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
}

.course-module-card .resource-footer {
    margin-top: 0.8rem !important;
}

.course-module-card .resource-meta-tags {
    display: flex !important;
    gap: 0.5rem !important;
    flex-wrap: wrap !important;
    margin-bottom: 0.8rem !important;
}

.course-module-card .meta-tag {
    display: flex !important;
    align-items: center !important;
    gap: 0.4rem !important;
    color: var(--text-secondary) !important;
    font-size: 0.75rem !important;
}

.course-module-card .meta-tag i {
    color: var(--accent-primary) !important;
    font-size: 0.7rem !important;
}

.course-module-card .time-tag {
    color: var(--text-secondary) !important;
}

.course-module-card .difficulty-tag {
    color: var(--text-secondary) !important;
}

.course-module-card .source-tag {
    color: var(--accent-secondary) !important;
}

.course-module-card .resource-actions {
    display: flex !important;
    gap: 0.8rem !important;
}

.course-module-card .resource-btn {
    padding: 0.6rem 1rem !important;
    border-radius: var(--hero-radius-md) !important;
    border: none !important;
    font-size: 0.8rem !important;
    font-weight: 500 !important;
    cursor: pointer !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 0.4rem !important;
    text-decoration: none !important;
    transition: all 0.3s ease !important;
    text-align: center !important;
}

.course-module-card .resource-btn.preview-btn {
    background: rgba(255, 255, 255, 0.1) !important;
    color: var(--text-secondary) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
}

.course-module-card .resource-btn.preview-btn:hover {
    background: rgba(255, 255, 255, 0.2) !important;
    color: var(--text-primary) !important;
    transform: scale(1.05) !important;
}

.course-module-card .resource-btn.primary-btn {
    background: var(--accent-primary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--accent-primary) !important;
    flex: 1 !important;
}

.course-module-card .resource-btn.primary-btn:hover {
    background: var(--accent-secondary) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 5px 15px rgba(65, 105, 225, 0.3) !important;
}

.course-module-card .module-actions {
    display: flex !important;
    gap: 0.8rem !important;
    padding-top: 1rem !important;
    border-top: 1px solid rgba(255, 255, 255, 0.1) !important;
}

.course-module-card .module-btn {
    flex: 1 !important;
    padding: 0.8rem 1.2rem !important;
    border-radius: var(--hero-radius-md) !important;
    border: none !important;
    font-size: 0.9rem !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.5rem !important;
    transition: all 0.3s ease !important;
}

.course-module-card .module-btn.secondary-btn {
    background: rgba(255, 255, 255, 0.1) !important;
    color: var(--text-secondary) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
}

.course-module-card .module-btn.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.2) !important;
    color: var(--text-primary) !important;
}

.course-module-card .module-btn.primary-btn {
    background: var(--accent-primary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--accent-primary) !important;
}

.course-module-card .module-btn.primary-btn:hover {
    background: var(--accent-secondary) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 5px 15px rgba(65, 105, 225, 0.3) !important;
}

.course-module-card .no-resources {
    text-align: center !important;
    padding: 2rem !important;
    color: var(--text-muted) !important;
    font-style: italic !important;
    background: rgba(255, 255, 255, 0.05) !important;
    border-radius: var(--hero-radius-md) !important;
}

.course-module-card .no-resources i {
    margin-right: 0.5rem !important;
    font-size: 1.2rem !important;
    color: var(--accent-primary) !important;
}

/* Responsive Design for Course Modules */
@media (max-width: 1024px) {
    .course-resources-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .course-module-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        padding: 1rem;
    }
    
    .module-title-section {
        padding: 0 1rem 1rem;
    }
    
    .module-stats {
        gap: 0.8rem;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .course-module-content {
        padding: 0 1rem 1rem;
    }
    
    .course-resources-grid {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }
    
    .course-resource-card {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .resource-actions {
        flex-direction: column;
    }
    
    .module-actions {
        flex-direction: column;
    }
}

/* Animation for smooth loading */
.course-module-card {
   animation: slideInUp 0.6s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Discovery Status Message Styling */
.discovery-status-message {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    margin: 16px 0;
}

.status-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 20px;
}

.status-content h4 {
    margin: 0 0 8px 0;
    color: var(--text-primary);
    font-size: 16px;
}

.status-content p {
    margin: 0 0 12px 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.scanning-dots {
    display: flex;
    gap: 4px;
}

.scanning-dots span {
    width: 6px;
    height: 6px;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: scanning-pulse 1.4s infinite both;
}

.scanning-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.scanning-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes scanning-pulse {
    0%, 80%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    40% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Fix overlay width consistency issues */
.search-process-stage {
    min-width: 800px !important;
    max-width: 1200px !important;
    width: 90vw !important;
    margin: 0 auto !important;
}

.stage-content {
    width: 100% !important;
    min-height: 400px !important;
}

.discovery-feed-container,
.discovery-visualization,
.discovery-stats {
    width: 100% !important;
    box-sizing: border-box !important;
}

/* Ensure radar container maintains size */
.radar-container {
    width: 200px !important;
    height: 200px !important;
    flex-shrink: 0 !important;
}