/* Advanced CSS for all Enhancement Features */

/* Accessibility Panel Styles */
.accessibility-panel {
  position: fixed;
  top: 50%;
  right: 20px;
  transform: translateY(-50%);
  z-index: 1000;
}

.accessibility-toggle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  color: white;
  font-size: 24px;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.accessibility-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.4);
}

.accessibility-menu {
  position: absolute;
  right: 70px;
  top: 0;
  width: 300px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(20px);
  transition: all 0.3s ease;
}

.accessibility-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.accessibility-menu h3 {
  margin: 0 0 20px 0;
  color: #333;
  font-size: 18px;
}

.accessibility-section {
  margin-bottom: 20px;
}

.accessibility-section h4 {
  margin: 0 0 10px 0;
  color: #666;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.accessibility-option {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 10px;
  border: none;
  background: #f8f9fa;
  border-radius: 6px;
  margin-bottom: 5px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.accessibility-option:hover {
  background: #e9ecef;
  transform: translateX(3px);
}

.accessibility-option i {
  margin-right: 10px;
  width: 16px;
}

.speech-controls {
  margin-top: 10px;
}

.speech-controls label {
  display: block;
  font-size: 12px;
  color: #666;
  margin-bottom: 5px;
}

.speech-controls input[type="range"] {
  width: 100%;
}

/* High Contrast Mode Styles */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-links {
  position: absolute;
  top: -40px;
  left: 6px;
  z-index: 1000;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: #000;
  color: #fff;
  padding: 8px;
  text-decoration: none;
  border-radius: 4px;
  opacity: 0;
  transition: all 0.3s;
}

.skip-link:focus {
  top: 6px;
  opacity: 1;
}

.read-button {
  position: absolute;
  top: 5px;
  right: 5px;
  width: 30px;
  height: 30px;
  border: none;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  transition: all 0.3s ease;
}

*:hover .read-button {
  opacity: 1;
}

.read-button:hover {
  background: rgba(0, 0, 0, 0.2);
}

/* Keyboard Help Modal */
.keyboard-help-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1001;
}

.keyboard-help-modal .modal-content {
  background: white;
  padding: 30px;
  border-radius: 12px;
  max-width: 800px;
  max-height: 80vh;
  overflow-y: auto;
}

.shortcuts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin: 20px 0;
}

.shortcut-section h3 {
  color: #333;
  margin-bottom: 15px;
}

.shortcut-section dl {
  margin: 0;
}

.shortcut-section dt {
  display: inline-block;
  margin-right: 10px;
  font-weight: normal;
}

.shortcut-section dd {
  display: inline-block;
  margin: 0 0 10px 0;
}

kbd {
  background: #f1f3f4;
  border: 1px solid #c7c7c7;
  border-radius: 3px;
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
  color: #333;
  display: inline-block;
  font-size: 0.85em;
  font-weight: 700;
  line-height: 1;
  padding: 2px 4px;
  white-space: nowrap;
}

/* Gamification Styles */
.gamification-container {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 20px;
  padding: 25px;
  margin: 30px 0;
  color: white;
  box-shadow: 0 15px 35px rgba(102, 126, 234, 0.3);
}

.gamification-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.gamification-header h2 {
  margin: 0;
  font-size: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.gamification-toggle {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.gamification-toggle:hover {
  background: rgba(255, 255, 255, 0.3);
}

.gamification-content.collapsed {
  display: none;
}

.user-progress-overview {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 30px;
  align-items: center;
  margin-bottom: 30px;
  background: rgba(255, 255, 255, 0.1);
  padding: 20px;
  border-radius: 15px;
}

.user-avatar {
  text-align: center;
}

.avatar-circle {
  position: relative;
  width: 80px;
  height: 80px;
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin-bottom: 10px;
}

.level-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  background: #ffd700;
  color: #333;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: bold;
}

.user-avatar h3 {
  margin: 0;
  font-size: 18px;
}

.user-title {
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
  font-size: 14px;
}

.progress-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 32px;
  font-weight: bold;
  line-height: 1;
}

.stat-label {
  font-size: 12px;
  opacity: 0.8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.level-progress {
  min-width: 200px;
}

.level-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 14px;
}

.progress-bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 5px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #ffd700, #ffed4e);
  transition: width 0.3s ease;
}

.progress-text {
  font-size: 12px;
  text-align: center;
  opacity: 0.8;
}

.gamification-tabs {
  display: flex;
  gap: 5px;
  margin-bottom: 20px;
  background: rgba(255, 255, 255, 0.1);
  padding: 5px;
  border-radius: 12px;
}

.tab-button {
  flex: 1;
  padding: 12px 16px;
  border: none;
  background: transparent;
  color: rgba(255, 255, 255, 0.7);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
}

.tab-button.active {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  transform: translateY(-2px);
}

.tab-button:hover {
  color: white;
}

.tab-content {
  min-height: 300px;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* Achievement Styles */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.achievement-card {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 15px;
  transition: all 0.3s ease;
  position: relative;
}

.achievement-card.locked {
  opacity: 0.5;
  filter: grayscale(100%);
}

.achievement-card.unlocked {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.achievement-icon {
  font-size: 32px;
  min-width: 40px;
}

.achievement-info h4 {
  margin: 0 0 5px 0;
  font-size: 16px;
}

.achievement-info p {
  margin: 0 0 10px 0;
  font-size: 14px;
  opacity: 0.9;
}

.achievement-meta {
  display: flex;
  gap: 10px;
  font-size: 12px;
}

.points {
  background: rgba(255, 215, 0, 0.3);
  padding: 2px 8px;
  border-radius: 10px;
}

.rarity {
  padding: 2px 8px;
  border-radius: 10px;
  text-transform: uppercase;
  font-weight: bold;
}

.rarity.common { background: rgba(169, 169, 169, 0.3); }
.rarity.uncommon { background: rgba(0, 128, 0, 0.3); }
.rarity.rare { background: rgba(0, 0, 255, 0.3); }
.rarity.epic { background: rgba(128, 0, 128, 0.3); }

.achievement-status {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 20px;
  color: #4ade80;
}

/* Badge Styles */
.badges-collection {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 15px;
}

.badge-item {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 15px;
  display: flex;
  align-items: center;
  gap: 15px;
  transition: all 0.3s ease;
}

.badge-item.not-earned {
  opacity: 0.4;
  filter: grayscale(100%);
}

.badge-item.earned {
  background: rgba(255, 255, 255, 0.15);
  transform: scale(1.02);
}

.badge-icon {
  font-size: 28px;
  min-width: 35px;
}

.badge-info h4 {
  margin: 0 0 5px 0;
  font-size: 14px;
}

.badge-info p {
  margin: 0 0 5px 0;
  font-size: 12px;
  opacity: 0.9;
}

.badge-category {
  font-size: 10px;
  text-transform: uppercase;
  opacity: 0.7;
  letter-spacing: 0.5px;
}

/* Quest Styles */
.quest-item {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 15px;
  transition: all 0.3s ease;
}

.quest-item.completed {
  background: rgba(76, 175, 80, 0.2);
  border-left: 4px solid #4caf50;
}

.quest-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.quest-header h4 {
  margin: 0;
  font-size: 16px;
}

.quest-type {
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 10px;
  text-transform: uppercase;
  font-weight: bold;
  letter-spacing: 0.5px;
}

.quest-type.daily { background: rgba(255, 193, 7, 0.3); }
.quest-type.weekly { background: rgba(156, 39, 176, 0.3); }
.quest-type.ongoing { background: rgba(33, 150, 243, 0.3); }

.quest-progress {
  margin: 15px 0;
}

.quest-progress .progress-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 5px;
}

.quest-progress .progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #4caf50, #8bc34a);
  transition: width 0.3s ease;
}

.quest-progress .progress-text {
  font-size: 12px;
  text-align: right;
}

.quest-reward {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  opacity: 0.8;
}

/* Leaderboard Styles */
.leaderboard-selector {
  margin-bottom: 20px;
}

.leaderboard-selector select {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  padding: 10px 15px;
  border-radius: 8px;
  width: 100%;
}

.leaderboard-list {
  space-y: 10px;
}

.leaderboard-entry {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  padding: 15px;
  border-radius: 10px;
  margin-bottom: 10px;
  transition: all 0.3s ease;
}

.leaderboard-entry.current-user {
  background: rgba(255, 215, 0, 0.2);
  border: 2px solid rgba(255, 215, 0, 0.5);
}

.leaderboard-entry .rank {
  font-size: 18px;
  font-weight: bold;
  min-width: 50px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.leaderboard-entry .user-info {
  flex: 1;
  margin-left: 15px;
}

.leaderboard-entry .username {
  font-weight: bold;
  font-size: 16px;
}

.leaderboard-entry .user-level {
  font-size: 12px;
  opacity: 0.7;
}

.leaderboard-entry .score {
  font-size: 18px;
  font-weight: bold;
  color: #ffd700;
}

/* Notification Styles */
.achievement-notification {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1002;
  pointer-events: none;
}

.gamification-notification {
  background: white;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  margin-bottom: 10px;
  overflow: hidden;
  transform: translateX(100%);
  animation: slideIn 0.5s ease forwards;
  pointer-events: all;
  max-width: 350px;
}

@keyframes slideIn {
  to { transform: translateX(0); }
}

.gamification-notification.achievement {
  border-left: 5px solid #ffd700;
}

.gamification-notification.level-up {
  border-left: 5px solid #4caf50;
}

.gamification-notification.badge {
  border-left: 5px solid #2196f3;
}

.notification-content {
  padding: 20px;
}

.notification-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.notification-header h4 {
  margin: 0;
  color: #333;
  font-size: 16px;
}

.close-notification {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: #999;
  line-height: 1;
  padding: 0;
  width: 20px;
  height: 20px;
}

.close-notification:hover {
  color: #333;
}

.notification-message {
  font-size: 18px;
  font-weight: bold;
  color: #333;
  margin-bottom: 5px;
}

.notification-description {
  font-size: 14px;
  color: #666;
  margin-bottom: 10px;
}

.notification-points {
  font-size: 14px;
  color: #ffd700;
  font-weight: bold;
}

.points-notification {
  position: relative;
  pointer-events: none;
}

.points-popup {
  background: rgba(255, 215, 0, 0.9);
  color: #333;
  padding: 10px 15px;
  border-radius: 20px;
  font-weight: bold;
  font-size: 16px;
  text-align: center;
  animation: pointsFloat 2s ease-out forwards;
}

@keyframes pointsFloat {
  0% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translateY(-50px) scale(0.8);
    opacity: 0;
  }
}

.points-popup .reason {
  font-size: 12px;
  opacity: 0.8;
  margin-top: 2px;
}

/* Data Visualization Styles */
.analytics-dashboard {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  border-radius: 20px;
  padding: 30px;
  margin: 30px 0;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.dashboard-header h2 {
  margin: 0;
  color: #2c3e50;
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.dashboard-controls select {
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  background: white;
}

.metrics-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.metric-card {
  background: white;
  border-radius: 15px;
  padding: 25px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  gap: 20px;
  transition: all 0.3s ease;
}

.metric-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.metric-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: white;
}

#metric-users .metric-icon { background: linear-gradient(45deg, #667eea, #764ba2); }
#metric-workshops .metric-icon { background: linear-gradient(45deg, #f093fb, #f5576c); }
#metric-certificates .metric-icon { background: linear-gradient(45deg, #4facfe, #00f2fe); }
#metric-rating .metric-icon { background: linear-gradient(45deg, #43e97b, #38f9d7); }

.metric-content {
  flex: 1;
}

.metric-value {
  font-size: 32px;
  font-weight: bold;
  color: #2c3e50;
  line-height: 1;
}

.metric-label {
  color: #7f8c8d;
  font-size: 14px;
  margin-top: 5px;
}

.metric-change {
  font-size: 12px;
  margin-top: 5px;
}

.metric-change.positive {
  color: #27ae60;
}

.metric-change.negative {
  color: #e74c3c;
}

.metric-change:before {
  content: '↗ ';
}

.metric-change.negative:before {
  content: '↘ ';
}

.charts-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}

.chart-panel {
  background: white;
  border-radius: 15px;
  padding: 25px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.chart-panel h3 {
  margin: 0 0 20px 0;
  color: #2c3e50;
  font-size: 18px;
}

.chart-panel canvas {
  width: 100% !important;
  height: 300px !important;
}

.completion-bar-container {
  margin-bottom: 15px;
}

.workshop-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 5px;
  font-size: 14px;
}

.workshop-name {
  font-weight: 500;
  color: #2c3e50;
}

.completion-rate {
  font-weight: bold;
  color: #27ae60;
}

.completion-bar {
  height: 8px;
  background: #ecf0f1;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 5px;
}

.completion-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 1.5s ease-out;
}

.participant-count {
  font-size: 12px;
  color: #7f8c8d;
  text-align: right;
}

.progress-viz {
  display: flex;
  gap: 30px;
  align-items: center;
}

.learning-path {
  flex: 1;
}

.path-step {
  display: flex;
  align-items: center;
  padding: 15px;
  border-radius: 10px;
  margin-bottom: 10px;
  background: #f8f9fa;
  transition: all 0.3s ease;
}

.path-step.completed {
  background: linear-gradient(45deg, #56ab2f, #a8e6cf);
  color: white;
}

.path-step.current {
  background: linear-gradient(45deg, #667eea, #764ba2);
  color: white;
  transform: scale(1.05);
}

.step-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 15px;
}

.step-label {
  flex: 1;
  font-weight: 500;
}

.step-progress {
  font-size: 14px;
  opacity: 0.8;
}

.skill-radar {
  flex-shrink: 0;
}

.interactive-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.feature-panel {
  background: white;
  border-radius: 15px;
  padding: 20px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.feature-panel h3 {
  margin: 0 0 15px 0;
  color: #2c3e50;
}

.filter-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.activity-feed {
  max-height: 300px;
  overflow-y: auto;
}

.activity-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid #ecf0f1;
  opacity: 0;
  transform: translateX(-20px);
  animation: fadeInActivity 0.5s ease forwards;
}

@keyframes fadeInActivity {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.activity-text {
  flex: 1;
  font-size: 14px;
  color: #2c3e50;
}

.activity-time {
  font-size: 12px;
  color: #7f8c8d;
}

/* WebGL 3D Styles */
.webgl-3d-container {
  background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
  border-radius: 20px;
  padding: 25px;
  margin: 30px 0;
  color: white;
  box-shadow: 0 15px 35px rgba(30, 60, 114, 0.3);
}

.webgl-3d-container.minimized {
  height: 80px;
  overflow: hidden;
}

.webgl-3d-container.minimized .webgl-3d-header {
  margin-bottom: 0;
}

.webgl-3d-container.minimized canvas,
.webgl-3d-container.minimized .webgl-3d-info-panel,
.webgl-3d-container.minimized .particle-system-controls {
  display: none;
}

.webgl-3d-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.webgl-3d-header h3 {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.webgl-3d-controls {
  display: flex;
  gap: 10px;
}

#webgl-canvas {
  width: 100%;
  max-width: 800px;
  height: 600px;
  border-radius: 12px;
  background: linear-gradient(45deg, #0c0c0c, #1a1a2e);
  margin-bottom: 20px;
  cursor: grab;
}

#webgl-canvas:active {
  cursor: grabbing;
}

.webgl-3d-info-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.scene-info,
.interaction-guide {
  background: rgba(255, 255, 255, 0.1);
  padding: 15px;
  border-radius: 10px;
}

.scene-info h4,
.interaction-guide h4 {
  margin: 0 0 10px 0;
  font-size: 16px;
}

.info-item,
.control-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: 5px;
  font-size: 14px;
}

.particle-system-controls {
  background: rgba(255, 255, 255, 0.1);
  padding: 15px;
  border-radius: 10px;
}

.particle-system-controls h4 {
  margin: 0 0 15px 0;
}

.particle-controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.particle-btn {
  padding: 8px 16px;
  border: none;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 12px;
}

.particle-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* Real-time Features Styles */
.live-chat-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 350px;
  background: white;
  border-radius: 15px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  z-index: 999;
  overflow: hidden;
}

.chat-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-header h3 {
  margin: 0;
  font-size: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.active-users-count {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  opacity: 0.9;
}

.chat-toggle {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  padding: 5px 8px;
  border-radius: 4px;
  cursor: pointer;
}

.chat-body {
  height: 400px;
  transition: all 0.3s ease;
  overflow: hidden;
}

.chat-body.collapsed {
  height: 0;
}

.active-users-list {
  padding: 10px;
  border-bottom: 1px solid #eee;
  max-height: 80px;
  overflow-y: auto;
}

.active-user {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px;
  font-size: 12px;
}

.user-avatar {
  font-size: 16px;
}

.user-status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-left: auto;
}

.user-status.online { background: #4caf50; }
.user-status.away { background: #ff9800; }
.user-status.offline { background: #9e9e9e; }

.chat-messages {
  height: 250px;
  overflow-y: auto;
  padding: 10px;
}

.chat-message {
  margin-bottom: 15px;
  padding: 10px;
  border-radius: 10px;
  background: #f5f5f5;
}

.chat-message.own-message {
  background: #e3f2fd;
  margin-left: 20px;
}

.message-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 5px;
  font-size: 12px;
}

.user-name {
  font-weight: bold;
  color: #333;
}

.message-time {
  color: #999;
}

.message-content {
  font-size: 14px;
  color: #333;
  line-height: 1.4;
}

.chat-input-container {
  padding: 10px;
  border-top: 1px solid #eee;
  display: flex;
  gap: 10px;
}

#chat-input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 20px;
  outline: none;
  resize: none;
}

#send-message {
  padding: 8px 12px;
  border-radius: 50%;
  width: 40px;
  height: 40px;
}

.real-time-updates {
  position: fixed;
  top: 20px;
  left: 20px;
  width: 300px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  z-index: 998;
}

.updates-header {
  background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
  color: white;
  padding: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.updates-header h4 {
  margin: 0;
  font-size: 14px;
}

.live-indicator {
  font-size: 10px;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.updates-content {
  max-height: 300px;
  overflow-y: auto;
  padding: 10px;
}

.update-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: 6px;
  margin-bottom: 5px;
  background: #f8f9fa;
  opacity: 0;
  transform: translateX(-20px);
  transition: all 0.3s ease;
}

.update-icon {
  width: 20px;
  font-size: 14px;
  color: #666;
}

.update-content {
  flex: 1;
}

.update-message {
  font-size: 12px;
  color: #333;
  margin-bottom: 2px;
}

.update-time {
  font-size: 10px;
  color: #999;
}

.collaboration-panel {
  background: white;
  border-radius: 12px;
  padding: 20px;
  margin: 20px 0;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.collab-header h4 {
  margin: 0 0 15px 0;
  color: #333;
  display: flex;
  align-items: center;
  gap: 8px;
}

.collab-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}

.collab-btn {
  padding: 12px 16px;
  border: 2px solid #e3f2fd;
  background: #f8f9fa;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.collab-btn:hover {
  background: #e3f2fd;
  border-color: #2196f3;
  transform: translateY(-2px);
}

.active-collaborations {
  border-top: 1px solid #eee;
  padding-top: 15px;
}

.active-collab {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
  background: #f0f8ff;
  border-radius: 6px;
  margin-bottom: 5px;
}

.collab-info {
  flex: 1;
}

.collab-participants {
  font-size: 12px;
  color: #666;
  margin-top: 2px;
}

.live-polls-panel {
  background: white;
  border-radius: 12px;
  padding: 20px;
  margin: 20px 0;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.polls-header h4 {
  margin: 0 0 15px 0;
  color: #333;
  display: flex;
  align-items: center;
  gap: 8px;
}

.live-poll {
  background: #f8f9fa;
  border-radius: 10px;
  padding: 15px;
  margin-bottom: 15px;
}

.poll-question {
  font-weight: bold;
  margin-bottom: 15px;
  color: #333;
}

.poll-options {
  space-y: 10px;
}

.poll-option {
  display: block;
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  background: white;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.poll-option:hover {
  border-color: #2196f3;
}

.option-text {
  position: relative;
  z-index: 2;
  font-weight: 500;
}

.option-votes {
  position: relative;
  z-index: 2;
  font-size: 12px;
  color: #666;
  float: right;
}

.vote-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: rgba(33, 150, 243, 0.1);
  overflow: hidden;
}

.vote-fill {
  height: 100%;
  background: linear-gradient(90deg, rgba(33, 150, 243, 0.2), rgba(33, 150, 243, 0.1));
  transition: width 0.5s ease;
}

.poll-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
  font-size: 12px;
  color: #666;
}

.poll-status.active {
  color: #4caf50;
  font-weight: bold;
}

.poll-status.closed {
  color: #f44336;
}

.notification-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1001;
  pointer-events: none;
}

.notification {
  background: white;
  border-radius: 8px;
  padding: 15px;
  margin-bottom: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  border-left: 4px solid #2196f3;
  transform: translateX(100%);
  transition: all 0.3s ease;
  pointer-events: all;
  max-width: 300px;
}

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

.notification.hide {
  transform: translateX(100%);
  opacity: 0;
}

.notification.success { border-left-color: #4caf50; }
.notification.error { border-left-color: #f44336; }
.notification.warning { border-left-color: #ff9800; }
.notification.info { border-left-color: #2196f3; }

.notification-content {
  display: flex;
  align-items: center;
  gap: 10px;
}

.notification-close {
  background: none;
  border: none;
  font-size: 16px;
  cursor: pointer;
  color: #999;
  margin-left: auto;
}

.connection-status {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(100%);
  background: #4caf50;
  color: white;
  padding: 10px 20px;
  border-radius: 20px;
  font-size: 14px;
  z-index: 1000;
  transition: all 0.3s ease;
}

.connection-status.show {
  transform: translateX(-50%) translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
  .gamification-container,
  .analytics-dashboard,
  .webgl-3d-container {
    margin: 20px 10px;
    padding: 20px;
    border-radius: 15px;
  }
  
  .user-progress-overview {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 20px;
  }
  
  .progress-stats {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .achievements-grid,
  .badges-collection {
    grid-template-columns: 1fr;
  }
  
  .charts-container {
    grid-template-columns: 1fr;
  }
  
  .live-chat-container {
    width: calc(100vw - 40px);
    right: 20px;
    left: 20px;
  }
  
  .real-time-updates {
    width: calc(100vw - 40px);
    left: 20px;
  }
  
  .accessibility-menu {
    width: calc(100vw - 40px);
    right: 20px;
    left: auto;
  }
  
  .tab-button {
    font-size: 12px;
    padding: 8px 12px;
  }
  
  .tab-button i {
    display: none;
  }
  
  .metric-card {
    flex-direction: column;
    text-align: center;
    gap: 10px;
  }
  
  .webgl-3d-info-panel {
    grid-template-columns: 1fr;
  }
  
  .particle-controls {
    justify-content: center;
  }
  
  .collab-features {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .gamification-header h2 {
    font-size: 20px;
  }
  
  .user-avatar .avatar-circle {
    width: 60px;
    height: 60px;
    font-size: 24px;
  }
  
  .stat-value {
    font-size: 24px;
  }
  
  .achievement-card,
  .badge-item {
    flex-direction: column;
    text-align: center;
    gap: 10px;
  }
  
  .dashboard-header {
    flex-direction: column;
    gap: 15px;
    align-items: stretch;
  }
  
  .dashboard-controls {
    justify-content: center;
  }
  
  .metrics-overview {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .interactive-features {
    grid-template-columns: 1fr;
  }
  
  #webgl-canvas {
    height: 300px;
  }
}