/*==========
Enhanced Hanji Music CSS - Next Upgrade Features
Advanced styling for AI Education, Creator Economy, and Collaboration
==========*/

:root {
  --primary-color: #4ecdc4;
  --secondary-color: #44a08d;
  --accent-color: #667eea;
  --dark-bg: #0f0f23;
  --medium-bg: #1a1a2e;
  --light-bg: #16213e;
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.8);
  --success-color: #4CAF50;
  --warning-color: #FF9800;
  --error-color: #f44336;
  --info-color: #2196F3;
  --border-color: rgba(78, 205, 196, 0.2);
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--primary-color));
  --shadow-light: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-heavy: 0 8px 25px rgba(0, 0, 0, 0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: linear-gradient(135deg, var(--dark-bg) 0%, var(--medium-bg) 50%, var(--light-bg) 100%);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* Header and Navigation */
.header {
  background: rgba(15, 15, 35, 0.95);
  backdrop-filter: blur(10px);
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.8rem;
  font-weight: bold;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-buttons {
  display: flex;
  gap: 15px;
}

.nav-btn {
  background: rgba(78, 205, 196, 0.1);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.9rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.nav-btn:hover {
  background: var(--gradient-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-light);
}

/* Main Content */
.main {
  padding: 40px 0;
}

.hero {
  text-align: center;
  padding: 60px 0;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

/* Search Interface */
.search-container {
  max-width: 800px;
  margin: 0 auto 40px;
  padding: 30px;
  background: rgba(26, 26, 46, 0.8);
  border-radius: 15px;
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.search-form {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.search-input {
  flex: 1;
  min-width: 250px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.1);
}

.search-select {
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  min-width: 150px;
}

.search-btn {
  background: var(--gradient-primary);
  border: none;
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.search-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-light);
}

/* Feature Cards */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin: 40px 0;
}

.feature-card {
  background: rgba(26, 26, 46, 0.8);
  border-radius: 15px;
  padding: 30px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  cursor: pointer;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-heavy);
  border-color: var(--primary-color);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 15px;
  display: block;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.feature-card p {
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.feature-btn {
  background: var(--gradient-primary);
  border: none;
  color: white;
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  width: 100%;
}

.feature-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-light);
}

/* Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  backdrop-filter: blur(5px);
  animation: fadeIn 0.3s ease;
}

.modal-content {
  background: var(--medium-bg);
  border-radius: 15px;
  padding: 30px;
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  animation: slideIn 0.3s ease;
  position: relative;
}

/* AI Education Platform Styles */
.education-platform {
  min-width: 700px;
}

.education-tabs, .economy-tabs, .studio-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 15px;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.9rem;
}

.tab-btn.active {
  background: var(--gradient-primary);
  color: white;
  border-color: var(--primary-color);
}

.tab-btn:hover:not(.active) {
  background: rgba(78, 205, 196, 0.1);
  color: var(--text-primary);
}

.education-tab, .economy-tab, .studio-tab {
  display: none;
}

.education-tab.active, .economy-tab.active, .studio-tab.active {
  display: block;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-primary);
  font-weight: 500;
}

.form-group input, 
.form-group select, 
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.1);
}

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  margin-bottom: 0;
}

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin: 0;
}

/* Theory Topics Grid */
.theory-topics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.topic-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 20px;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all 0.3s ease;
}

.topic-card:hover {
  background: rgba(78, 205, 196, 0.1);
  border-color: var(--primary-color);
  transform: translateY(-3px);
}

.topic-card h4 {
  color: var(--primary-color);
  margin-bottom: 10px;
}

/* Performance Tools */
.performance-tools {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
}

.tool-btn {
  background: var(--gradient-accent);
  border: none;
  color: white;
  padding: 15px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.3s ease;
  text-align: center;
}

.tool-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-light);
}

/* Creator Economy Styles */
.monetization-options {
  display: grid;
  gap: 25px;
}

.option-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 25px;
  border: 1px solid var(--border-color);
}

.option-card h4 {
  color: var(--primary-color);
  margin-bottom: 15px;
  font-size: 1.3rem;
}

.tier-setup {
  display: grid;
  gap: 15px;
  margin-top: 20px;
}

.tier {
  background: rgba(255, 255, 255, 0.03);
  padding: 15px;
  border-radius: 8px;
  border-left: 4px solid var(--primary-color);
}

.tier strong {
  color: var(--primary-color);
  display: block;
  margin-bottom: 10px;
}

.tier ul {
  list-style: none;
  padding-left: 0;
}

.tier li {
  padding: 5px 0;
  color: var(--text-secondary);
}

/* Analytics Dashboard */
.analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.metric-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 20px;
  border: 1px solid var(--border-color);
  text-align: center;
}

.metric-card h4 {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.metric-value {
  font-size: 2rem;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 5px;
}

.metric-change {
  color: var(--success-color);
  font-size: 0.9rem;
}

.revenue-breakdown {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}

.breakdown-chart {
  display: grid;
  gap: 10px;
}

.breakdown-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
}

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

/* Collaboration Studio Styles */
.public-projects {
  display: grid;
  gap: 15px;
  margin-top: 20px;
}

.project-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 20px;
  border: 1px solid var(--border-color);
}

.project-card h5 {
  color: var(--primary-color);
  margin-bottom: 10px;
}

.project-card .genre {
  background: var(--gradient-primary);
  color: white;
  padding: 4px 12px;
  border-radius: 15px;
  font-size: 0.8rem;
  margin-right: 10px;
}

.request-btn {
  background: var(--gradient-accent);
  border: none;
  color: white;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  float: right;
}

/* AI Songwriting Results */
.songwriting-result {
  max-height: 600px;
  overflow-y: auto;
}

.lyrics-section, .music-section, .ai-insights {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}

.verse, .chorus, .bridge {
  background: rgba(255, 255, 255, 0.03);
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 15px;
  border-left: 4px solid var(--primary-color);
}

.chord-prog {
  background: var(--gradient-primary);
  color: white;
  padding: 8px 15px;
  border-radius: 20px;
  display: inline-block;
  margin: 5px;
  font-family: monospace;
}

.arrangement-section {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
}

.arrangement-section:last-child {
  border-bottom: none;
}

/* Action Buttons */
.action-btn, .create-session-btn, .generate-btn, .setup-btn {
  background: var(--gradient-primary);
  border: none;
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.3s ease;
  margin: 5px;
}

.action-btn:hover, .create-session-btn:hover, .generate-btn:hover, .setup-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-light);
}

/* Notifications */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 15px 20px;
  border-radius: 8px;
  color: white;
  font-weight: 500;
  z-index: 10001;
  opacity: 0;
  transform: translateX(100%);
  transition: all 0.3s ease;
  max-width: 400px;
}

.notification.show {
  opacity: 1;
  transform: translateX(0);
}

.notification.success {
  background: var(--success-color);
}

.notification.error {
  background: var(--error-color);
}

.notification.warning {
  background: var(--warning-color);
}

.notification.info {
  background: var(--info-color);
}

/* AI Suggestions */
.ai-suggestions {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--medium-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  max-width: 350px;
  z-index: 10001;
  animation: slideUp 0.3s ease;
}

.ai-suggestions h4 {
  color: var(--primary-color);
  margin-bottom: 15px;
}

.ai-suggestions p {
  margin-bottom: 10px;
  color: var(--text-secondary);
}

.confidence {
  text-align: center;
  font-size: 0.9rem;
  color: var(--primary-color);
  font-weight: 600;
  margin-top: 15px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .modal-content {
    max-width: 95vw;
    padding: 20px;
  }

  .education-platform {
    min-width: auto;
  }

  .search-form {
    flex-direction: column;
  }

  .search-input {
    min-width: auto;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .analytics-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }

  .hero h1 {
    font-size: 2rem;
  }

  .nav {
    flex-direction: column;
    gap: 15px;
  }

  .nav-buttons {
    flex-wrap: wrap;
    justify-content: center;
  }
}

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

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Loading Animations */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 1s ease-in-out infinite;
}

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

/* Results and Search Results */
.results {
  margin-top: 30px;
}

.ai-insights-container {
  background: rgba(26, 26, 46, 0.8);
  border-radius: 12px;
  padding: 20px;
  margin: 20px 0;
  border: 1px solid var(--border-color);
}

.ai-analysis h3 {
  color: var(--primary-color);
  margin-bottom: 15px;
}

.insights p, .recommendations p {
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.recommendations h4 {
  color: var(--text-primary);
  margin: 15px 0 10px 0;
}

/* Footer */
.footer {
  background: var(--dark-bg);
  padding: 40px 0;
  margin-top: 60px;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer p {
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 20px;
}

.footer-links a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --border-color: rgba(255, 255, 255, 0.5);
    --text-secondary: rgba(255, 255, 255, 0.9);
  }
}

/* Print styles */
@media print {
  .modal-overlay, .notification, .ai-suggestions {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }
}

/* Enhanced Music Player Styles */
.now-playing-widget {
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(78, 205, 196, 0.3);
  transition: all 0.3s ease;
}

.now-playing-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
}

.now-playing-info h4 {
  margin-bottom: 5px;
  color: var(--primary-color);
}

.now-playing-info p {
  margin-bottom: 2px;
  font-size: 14px;
}

.now-playing-info .artist {
  opacity: 0.7;
  font-size: 12px;
}

.now-playing-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.control-btn {
  background: none;
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
  padding: 8px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 16px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.control-btn:hover {
  background: var(--primary-color);
  color: white;
  transform: scale(1.1);
}

#volumeControl, #radioVolume {
  width: 80px;
  accent-color: var(--primary-color);
}

/* Enhanced Item Card Styles */
.item-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 15px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
}

.item-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(78, 205, 196, 0.2);
  border-color: var(--primary-color);
}

.item-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
}

.item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.image-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  gap: 10px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.item-card:hover .image-overlay {
  opacity: 1;
}

.play-btn, .spotify-btn {
  background: rgba(0, 0, 0, 0.8);
  color: white;
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.play-btn:hover, .spotify-btn:hover {
  background: var(--primary-color);
  transform: scale(1.1);
}

.play-btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  border-color: #666;
}

.play-btn.disabled:hover {
  background: rgba(0, 0, 0, 0.8);
  transform: none;
}

/* Radio Player Styles */
.radio-now-playing {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
}

.live-indicator {
  display: inline-block;
  background: #ff4444;
  color: white;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 10px;
  font-weight: bold;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* Search and Results Enhancements */
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
  padding: 20px 0;
}

@media (max-width: 768px) {
  .results-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
  }

  .now-playing-widget {
    bottom: 10px;
    right: 10px;
    left: 10px;
    min-width: auto;
  }

  .now-playing-content {
    flex-direction: column;
    gap: 10px;
  }
}

/* Loading States */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  font-size: 16px;
  color: var(--text-secondary);
}

.loading::before {
  content: '🎵';
  margin-right: 10px;
  animation: bounce 1s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Navigation enhancements */
.modern-nav {
  background: linear-gradient(135deg, rgba(30, 30, 30, 0.95), rgba(45, 45, 45, 0.95));
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(78, 205, 196, 0.2);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: transform 0.3s ease;
}

/* Advanced Analytics Dashboard */
.advanced-analytics-dashboard {
  background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
  border-radius: 20px;
  padding: 30px;
  color: white;
  margin: 20px;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 2px solid rgba(78, 205, 196, 0.3);
}

.real-time-indicator {
  background: linear-gradient(45deg, #4CAF50, #45a049);
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: bold;
  animation: pulse 2s infinite;
}

.analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin-bottom: 30px;
}

.analytics-card {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 15px;
  padding: 25px;
  border: 1px solid rgba(78, 205, 196, 0.3);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.analytics-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(78, 205, 196, 0.2);
}

.analytics-card.updated {
  animation: cardPulse 1s ease;
  border-color: #4CAF50;
}

@keyframes cardPulse {
  0% { box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(76, 175, 80, 0); }
  100% { box-shadow: 0 0 0 0 rgba(76, 175, 80, 0); }
}

.metrics-display {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 20px;
}

.metric {
  text-align: center;
  padding: 15px;
  background: rgba(78, 205, 196, 0.1);
  border-radius: 10px;
}

.metric-value {
  display: block;
  font-size: 2.5em;
  font-weight: bold;
  color: #4ecdc4;
  margin-bottom: 5px;
  font-family: 'Courier New', monospace;
}

.metric-label {
  font-size: 0.9em;
  color: #ccc;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.engagement-chart {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 10px;
  padding: 15px;
  margin: 15px 0;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.engagement-stats {
  display: flex;
  justify-content: space-around;
  margin-top: 15px;
}

.stat {
  text-align: center;
  padding: 10px;
  background: rgba(78, 205, 196, 0.1);
  border-radius: 8px;
  flex: 1;
  margin: 0 5px;
}

.ai-metrics {
  space-y: 20px;
}

.insight {
  margin-bottom: 20px;
  padding: 15px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 10px;
}

.insight h4 {
  margin-bottom: 10px;
  color: #4ecdc4;
}

.style-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.style-tag {
  background: linear-gradient(45deg, #4ecdc4, #44c3b5);
  color: white;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.85em;
  font-weight: bold;
}

.quality-score {
  font-size: 1.5em;
  color: #4ecdc4;
  font-weight: bold;
}

.growth-rate {
  font-size: 1.3em;
  color: #4CAF50;
  font-weight: bold;
}

.prediction-list {
  space-y: 15px;
}

.prediction {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  border-left: 4px solid #4ecdc4;
}

.prediction-label {
  font-weight: 500;
  color: #ccc;
}

.prediction-value {
  font-weight: bold;
  color: #4CAF50;
  font-family: 'Courier New', monospace;
}

.analytics-controls {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.analytics-btn {
  background: linear-gradient(45deg, #4ecdc4, #44c3b5);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 25px;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(78, 205, 196, 0.3);
}

.analytics-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(78, 205, 196, 0.4);
}

/* Advanced Filters */
.advanced-filters {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 15px;
  padding: 25px;
  margin-top: 25px;
  border: 1px solid rgba(78, 205, 196, 0.2);
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  margin: 20px 0;
}

.filter-section h4 {
  color: #4ecdc4;
  margin-bottom: 15px;
  font-size: 1.1em;
}

.time-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.time-btn {
  background: rgba(78, 205, 196, 0.2);
  color: white;
  border: 1px solid rgba(78, 205, 196, 0.3);
  padding: 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.time-btn:hover, .time-btn.active {
  background: #4ecdc4;
  color: #1a1a1a;
  transform: translateY(-2px);
}

.segment-filters, .content-filters {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.segment-filters label, .content-filters label {
  display: flex;
  align-items: center;
  cursor: pointer;
  padding: 8px;
  border-radius: 5px;
  transition: background 0.3s ease;
}

.segment-filters label:hover, .content-filters label:hover {
  background: rgba(78, 205, 196, 0.1);
}

.segment-filters input, .content-filters input {
  margin-right: 10px;
  accent-color: #4ecdc4;
}

#geoFilter {
  background: rgba(78, 205, 196, 0.1);
  color: white;
  border: 1px solid rgba(78, 205, 196, 0.3);
  padding: 10px 15px;
  border-radius: 10px;
  width: 100%;
}

.filter-actions {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 25px;
  flex-wrap: wrap;
}

.apply-filters-btn, .reset-filters-btn, .save-preset-btn {
  background: linear-gradient(45deg, #4ecdc4, #44c3b5);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 25px;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.3s ease;
}

.reset-filters-btn {
  background: linear-gradient(45deg, #f44336, #d32f2f);
}

.save-preset-btn {
  background: linear-gradient(45deg, #9c27b0, #7b1fa2);
}

/* Advanced Music Player */
.ai-queue {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 10px;
  padding: 15px;
  max-height: 400px;
  overflow-y: auto;
}

.queue-item {
  display: flex;
  align-items: center;
  padding: 10px;
  margin-bottom: 10px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.queue-item:hover {
  background: rgba(78, 205, 196, 0.1);
  transform: translateX(5px);
}

.queue-item.ai-recommended {
  border-left: 4px solid #4CAF50;
  background: rgba(76, 175, 80, 0.1);
}

.queue-number {
  background: #4ecdc4;
  color: #1a1a1a;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-weight: bold;
  margin-right: 15px;
}

.track-info {
  flex: 1;
}

.track-info strong {
  display: block;
  color: white;
  margin-bottom: 3px;
}

.track-info p {
  color: #ccc;
  margin: 0;
  font-size: 0.9em;
}

.ai-badge {
  background: linear-gradient(45deg, #4CAF50, #45a049);
  color: white;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.7em;
  font-weight: bold;
  margin-top: 5px;
  display: inline-block;
}

.track-actions {
  display: flex;
  gap: 8px;
}

.play-queue-btn, .remove-queue-btn {
  background: rgba(78, 205, 196, 0.2);
  color: white;
  border: none;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
}

.play-queue-btn:hover {
  background: #4CAF50;
  transform: scale(1.1);
}

.remove-queue-btn:hover {
  background: #f44336;
  transform: scale(1.1);
}

/* Schedule Report Modal */
.schedule-report {
  max-width: 500px;
  margin: 0 auto;
}

.schedule-form {
  space-y: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: #4ecdc4;
  font-weight: bold;
}

.form-group select, .form-group input {
  width: 100%;
  padding: 12px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(78, 205, 196, 0.3);
  border-radius: 8px;
  color: white;
  font-size: 14px;
}

.form-group select:focus, .form-group input:focus {
  outline: none;
  border-color: #4ecdc4;
  box-shadow: 0 0 0 2px rgba(78, 205, 196, 0.2);
}

.schedule-controls {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 25px;
}

.save-btn {
  background: linear-gradient(45deg, #4CAF50, #45a049);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 25px;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.3s ease;
}

.save-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(76, 175, 80, 0.3);
}

/* Responsive Design for Analytics */
@media (max-width: 768px) {
  .analytics-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .metrics-display {
    grid-template-columns: 1fr 1fr;
  }

  .analytics-controls {
    flex-direction: column;
    align-items: center;
  }

  .filter-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .time-filters {
    justify-content: center;
  }

  .prediction {
    flex-direction: column;
    gap: 5px;
    text-align: center;
  }
}

/* Loading and Error States */
.analytics-loading {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 200px;
  color: #4ecdc4;
  font-size: 1.2em;
}

.analytics-error {
  background: rgba(244, 67, 54, 0.1);
  border: 1px solid #f44336;
  color: #f44336;
  padding: 20px;
  border-radius: 10px;
  text-align: center;
  margin: 20px 0;
}