:root {
  --app-font: 'Source Serif 4', 'Times New Roman', serif;
}

body {
  font-family: var(--app-font);
  background: #fff;
  text-align: center;
  padding: 40px;
  padding-top: 100px;
  position: relative;
  overflow-x: hidden;
  min-height: 100vh;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

body::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
  z-index: 0;
  pointer-events: none;
}

body::after {
  content: '';
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 0;
  background: none;
  z-index: 0;
  pointer-events: none;
}

h1 {
  font-size: 80px;
  color: #000;
  text-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
  font-weight: 900;
  letter-spacing: 3px;
  font-family: var(--app-font);
  text-transform: uppercase;
  font-style: italic;
  text-decoration: underline;
  text-decoration-thickness: 4px;
  text-underline-offset: 10px;
  text-decoration-color: #667eea;
  filter: drop-shadow(0 4px 15px rgba(102, 126, 234, 0.4)) drop-shadow(0 8px 20px rgba(0, 0, 0, 0.2));
  transition: all 0.3s ease;
}

h1:hover {
  transform: none;
  text-shadow: 0 10px 30px rgba(102, 126, 234, 0.7);
}

.subtitle {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 30px;
  font-size: 18px;
  position: relative;
  z-index: 1;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

button {
  padding: 14px 28px;
  margin: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: 2px solid transparent;
  border-radius: 30px;
  box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  z-index: 1;
  min-height: 44px;
  min-width: 44px;
  font-family: var(--app-font);
}

button:focus {
  outline: 3px solid #fff;
  outline-offset: 2px;
}

button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

button:hover::before {
  width: 300px;
  height: 300px;
}

button:hover {
  transform: scale(1.15) translateY(-3px);
  box-shadow: 0 15px 40px rgba(102, 126, 234, 0.6);
  background: linear-gradient(135deg, #764ba2 0%, #f093fb 100%);
}

button:active {
  transform: scale(1.08);
}

button.btn-secondary {
  background: linear-gradient(135deg, #6c757d 0%, #5a6268 100%);
  box-shadow: 0 8px 20px rgba(108, 117, 125, 0.4);
  margin-top: 20px;
  padding: 12px 24px;
}

button.btn-secondary:hover {
  background: linear-gradient(135deg, #5a6268 0%, #495057 100%);
  box-shadow: 0 15px 40px rgba(108, 117, 125, 0.6);
}

/* Social Section */
.social-section {
  flex: 1;
  min-width: 300px;
  max-width: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.social-title {
  text-align: center;
  color: #333;
  margin-bottom: 30px;
  font-size: 24px;
  font-weight: 600;
}

/* Social Box */
.social-box {
  background: white;
  border-radius: 15px;
  padding: 40px 30px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  display: flex;
  flex-direction: column;
  gap: 20px;
  justify-content: center;
  align-items: center;
  width: 100%;
}

/* Eleve Options - Spacing */
#eleve-options {
  padding-top: 80px;
}

#eleve-options button {
  margin: 10px 30px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 15px;
  width: auto;
  height: auto;
  padding: 15px 25px;
  border-radius: 50px;
  background: white;
  color: #333;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  border: 2px solid #e0e0e0;
}

.social-link:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.15);
}

.social-link.facebook .social-icon {
  color: #1877F2;
}

.social-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.social-icon-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  flex-shrink: 0;
}

.instagram-gradient {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.facebook-bg {
  background: #1877F2;
}

.social-text {
  font-size: 18px;
  font-weight: 600;
  white-space: nowrap;
}

/* Global Footer */
.global-footer {
  position: relative;
  text-align: center;
  padding: 20px;
  margin-top: 40px;
  background: transparent;
  border-top: 1px solid rgba(102, 126, 234, 0.1);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.global-footer.visible {
  opacity: 1;
  transform: translateY(0);
}

.footer-contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: #667eea;
  text-decoration: none;
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  transition: all 0.2s ease;
  background: rgba(102, 126, 234, 0.05);
}

.footer-contact:hover {
  background: rgba(102, 126, 234, 0.12);
  color: #5568d3;
}

.footer-contact:active {
  transform: scale(0.96);
}

/* Header Navigation */
#header-nav {
  position: absolute;
  top: 20px;
  left: 20px;
  right: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 3000;
  gap: 10px;
}

#header-nav #btn-back {
  flex: 0 0 auto;
}

#header-nav #user-avatar {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

#header-nav #btn-home {
  flex: 0 0 auto;
  margin-left: auto;
}

.user-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid #667eea;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
  cursor: pointer;
  transition: all 0.3s ease;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-avatar:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(102, 126, 234, 0.6);
}

.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.user-avatar.hidden {
  display: none;
}

/* Profile Page */
.profile-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 50px;
  padding: 20px;
}

.profile-info-card {
  background: white;
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  text-align: center;
  max-width: 500px;
  margin: 0 auto;
  width: 100%;
}

.profile-avatar-large {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 20px;
  border: 4px solid #667eea;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.profile-avatar-large img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-info-card h3 {
  font-size: 28px;
  color: #333;
  margin-bottom: 15px;
  font-weight: 700;
}

.profile-detail {
  font-size: 16px;
  color: #666;
  margin: 8px 0;
}

.profile-status {
  display: inline-block;
  padding: 10px 25px;
  border-radius: 25px;
  font-weight: 600;
  font-size: 14px;
  margin-top: 15px;
}

.profile-status.subscribed {
  background: #10b981;
  color: white;
}

.profile-status.not-subscribed {
  background: #ef4444;
  color: white;
}

/* Subscription Plans */
.subscription-section {
  width: 100%;
}

.subscription-title {
  text-align: center;
  color: #333;
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 10px;
}

.subscription-subtitle {
  text-align: center;
  color: #666;
  font-size: 16px;
  margin-bottom: 40px;
}

.subscription-plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1100px;
  margin: 0 auto;
}

.plan-card {
  background: white;
  border-radius: 20px;
  padding: 35px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  position: relative;
  transition: all 0.3s ease;
  border: 3px solid transparent;
}

.plan-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.plan-popular {
  border-color: #667eea;
  transform: scale(1.05);
}

.plan-premium {
  border-color: #fbbf24;
}

.plan-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.plan-header {
  text-align: center;
  margin-bottom: 25px;
  padding-bottom: 25px;
  border-bottom: 2px solid #f0f0f0;
}

.plan-name {
  font-size: 24px;
  color: #333;
  margin-bottom: 15px;
  font-weight: 700;
}

.plan-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 5px;
}

.price-amount {
  font-size: 42px;
  font-weight: 800;
  color: #667eea;
}

.price-period {
  font-size: 16px;
  color: #999;
}

.plan-features {
  list-style: none;
  padding: 0;
  margin: 0 0 30px 0;
  text-align: left;
}

.plan-features li {
  padding: 12px 0;
  font-size: 15px;
  color: #555;
  border-bottom: 1px solid #f5f5f5;
}

.plan-features li:last-child {
  border-bottom: none;
}

.plan-button {
  width: 100%;
  padding: 15px;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  transition: all 0.3s ease;
}

.plan-button:hover:not(:disabled) {
  transform: scale(1.05);
  box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.plan-button:disabled {
  background: #ddd;
  color: #999;
  cursor: not-allowed;
}

.plan-current {
  background: #10b981 !important;
}

/* Extra Courses Section */
.extra-courses-section {
  max-width: 600px;
  margin: 0 auto;
  padding: 30px;
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.1) 0%, rgba(251, 191, 36, 0.05) 100%);
  border-radius: 20px;
  border: 2px solid #fbbf24;
}

.extra-courses-title {
  font-size: 28px;
  color: #333;
  margin-bottom: 10px;
  font-weight: 700;
}

.extra-courses-subtitle {
  color: #666;
  font-size: 16px;
  margin-bottom: 30px;
}

.extra-courses-card {
  background: white;
  border-radius: 15px;
  padding: 30px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  border: 2px solid #fbbf24;
}

.extra-courses-header {
  text-align: center;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 2px solid #f0f0f0;
}

.extra-courses-name {
  font-size: 24px;
  color: #333;
  margin-bottom: 10px;
  font-weight: 700;
}

.extra-courses-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
}

.extra-courses-price .price-amount {
  font-size: 38px;
  font-weight: 800;
  color: #fbbf24;
}

@media (max-width: 768px) {
  .subscription-plans {
    grid-template-columns: 1fr;
  }
  
  .plan-popular {
    transform: scale(1);
  }
  
  .extra-courses-section {
    padding: 20px;
  }
}

/* Professor Public Profile */
.prof-public-profile {
  max-width: 900px;
  margin: 40px auto;
  padding: 20px;
}

.prof-name-container {
  text-align: center;
  margin-bottom: 50px;
  padding: 30px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 20px;
  box-shadow: 0 8px 30px rgba(102, 126, 234, 0.3);
}

.prof-name {
  font-size: 36px;
  color: white;
  margin: 0;
  font-weight: 700;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.prof-stats-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.prof-stat-card {
  background: white;
  border-radius: 20px;
  padding: 35px 25px;
  text-align: center;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 3px solid transparent;
}

.prof-stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  border-color: #667eea;
}

.stat-icon {
  font-size: 48px;
  margin-bottom: 15px;
}

.stat-label {
  font-size: 14px;
  color: #666;
  margin-bottom: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.stat-value {
  font-size: 48px;
  font-weight: 800;
  color: #667eea;
  line-height: 1;
  margin-bottom: 5px;
}

.stat-unit {
  font-size: 16px;
  color: #999;
  font-weight: 500;
}

@media (max-width: 768px) {
  .prof-stats-container {
    grid-template-columns: 1fr;
  }
  
  .prof-name {
    font-size: 28px;
  }
  
  .stat-value {
    font-size: 38px;
  }
}

/* Usage Limit Page */
.usage-limit-container {
  max-width: 600px;
  margin: 0 auto;
  padding: 60px 40px;
  background: white;
  border-radius: 30px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  text-align: center;
}

.limit-icon {
  font-size: 80px;
  margin-bottom: 30px;
  animation: pulse 2s infinite;
}

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

.limit-title {
  font-size: 36px;
  color: #ef4444;
  margin-bottom: 20px;
  font-weight: 800;
}

.limit-message {
  font-size: 20px;
  color: #333;
  margin-bottom: 10px;
  line-height: 1.6;
}

.limit-submessage {
  font-size: 16px;
  color: #666;
  margin-bottom: 40px;
}

.limit-stats {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  border-radius: 15px;
  padding: 30px;
  margin-bottom: 40px;
}

.limit-stat {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.limit-stat-number {
  font-size: 56px;
  font-weight: 900;
  color: #ef4444;
}

.limit-stat-label {
  font-size: 14px;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.limit-actions {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.btn-subscribe-now {
  padding: 18px 40px;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 8px 20px rgba(16, 185, 129, 0.4);
}

.btn-subscribe-now:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(16, 185, 129, 0.6);
}

@media (max-width: 768px) {
  .usage-limit-container {
    padding: 40px 20px;
  }
  
  .limit-title {
    font-size: 28px;
  }
  
  .limit-icon {
    font-size: 60px;
  }
}

.btn-bubble {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  padding: 0;
  background: linear-gradient(135deg, #ff4757 0%, #ee5a6f 100%);
  box-shadow: 0 8px 20px rgba(255, 71, 87, 0.4);
  font-size: 24px;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-bubble:hover {
  transform: scale(1.2) rotate(-10deg);
  box-shadow: 0 15px 40px rgba(255, 71, 87, 0.6);
  background: linear-gradient(135deg, #ee5a6f 0%, #ff4757 100%);
}

.btn-bubble:active {
  transform: scale(1.1);
}

.btn-home {
  background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
  box-shadow: 0 8px 20px rgba(46, 204, 113, 0.4);
  padding: 12px 25px;
  font-weight: 600;
  font-size: 15px;
}

.btn-home:hover {
  background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
  box-shadow: 0 15px 40px rgba(46, 204, 113, 0.6);
  transform: scale(1.12) translateY(-3px);
}

/* World Map Container */
#world-map-container {
  margin: 40px auto;
  background: linear-gradient(135deg, #FFD4E5 0%, #C5E8F7 50%, #FFE5CC 100%);
  border: 12px double #FF6B9D;
  border-radius: 30px;
  padding: 30px;
  box-shadow: 
    0 15px 40px rgba(255, 107, 157, 0.4),
    inset 0 2px 10px rgba(255, 255, 255, 0.5),
    0 0 0 3px #FFC644,
    0 0 0 6px #FF6B9D;
  max-width: 900px;
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

#world-map-container h3 {
  margin-top: 0;
  margin-bottom: 20px;
  color: #FF6B9D;
  text-shadow: 2px 2px 0px rgba(255, 255, 255, 0.8);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 1px;
}

#world-map {
  width: 100%;
  height: 450px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 
    0 10px 25px rgba(0, 0, 0, 0.15),
    inset 0 0 15px rgba(0, 0, 0, 0.1);
  border: 10px solid #FFC644;
  background: linear-gradient(135deg, #B4E7FF 0%, #FFD4E5 100%);
  position: relative;
  display: block !important;
}

/* Leaflet Map Customization */
.leaflet-container {
  font-family: var(--app-font);
  background: linear-gradient(135deg, #B4E7FF 0%, #FFD4E5 100%);
  height: 100% !important;
}

/* Simplify map appearance */
.leaflet-tile-pane {
  opacity: 0.9;
  filter: saturate(0.6);
}

/* Hide zoom controls */
.leaflet-control-zoom {
  display: none !important;
}

/* Hide attribution */
.leaflet-attribution {
  display: none;
}

/* Style for popups */
.leaflet-popup-content-wrapper {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.leaflet-popup-content {
  color: #000;
  font-weight: 600;
  margin: 5px 0;
}

.user-marker {
  font-size: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: markerPulse 2s infinite;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

@keyframes markerPulse {
  0%, 100% { 
    transform: scale(1);
  }
  50% { 
    transform: scale(1.15);
  }
}

input, select {
  display: block;
  margin: 10px auto;
  padding: 12px;
  width: 250px;
  border: 2px solid #e5e7eb;
  border-radius: 10px;
  font-family: var(--app-font);
  background: white;
  transition: all 0.3s ease;
  position: relative;
  z-index: 1;
  font-size: 14px;
  color: #333;
}

input:focus, select:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
  background: white;
}

input::placeholder {
  color: #9ca3af;
}

/* Form styles for login pages */
#form-eleve input,
#form-eleve select,
#form-professeur input,
#form-professeur select {
  width: 100%;
  margin: 0;
  padding: 14px 16px;
  border: 2px solid #e5e7eb;
  border-radius: 10px;
  font-size: 15px;
  background: white;
  transition: all 0.3s ease;
}

#form-eleve input:focus,
#form-eleve select:focus,
#form-professeur input:focus,
#form-professeur select:focus {
  border-color: #667eea;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
  outline: none;
}

#form-eleve label,
#form-professeur label {
  font-weight: 600;
  color: #374151;
  font-size: 14px;
  margin-bottom: 6px;
  display: block;
}

.page {
  margin-top: 30px;
  background: rgba(255, 255, 255, 0.95);
  padding: 30px;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  position: relative;
  z-index: 1;
  animation: slideIn 0.4s ease-out;
  color: #000;
}

.page p, .page label, .page input, .page select {
  color: #000;
}

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

.hidden {
  display: none !important;
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(255, 255, 255, 0.98);
  padding: 40px;
  border-radius: 25px;
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.25);
  z-index: 2000;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  max-width: 500px;
  width: 90%;
  animation: modalSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  color: #333;
}

.modal:focus {
  outline: 3px solid #667eea;
  outline-offset: -2px;
}

.modal select,
.modal input {
  min-width: 100%;
  padding: 12px;
  border: 2px solid #999;
  border-radius: 8px;
  font-family: var(--app-font);
  font-size: 16px;
  margin-bottom: 16px;
  min-height: 44px;
}

.modal label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #333;
  font-size: 15px;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translate(-50%, -45%) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

#matieres-list label {
  display: block;
  margin: 12px 0;
  text-align: left;
  padding: 12px;
  border-radius: 8px;
  transition: background 0.2s ease;
  position: relative;
  z-index: 1;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
}

#matieres-list label:hover {
  background: rgba(102, 126, 234, 0.1);
}

#matieres-list label:focus-within {
  outline: 2px solid #667eea;
  outline-offset: 2px;
}

#matieres-list input[type="checkbox"] {
  margin-right: 8px;
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: #667eea;
}

#stars {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin: 20px 0;
}

#stars button {
  font-size: 40px;
  padding: 10px;
  min-width: 50px;
  min-height: 50px;
  color: #ddd;
  background: transparent;
  border: 2px solid transparent;
  box-shadow: none;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  z-index: 1;
}

#stars button:hover {
  color: #ffd700;
  transform: scale(1.3) rotate(10deg);
}

#stars button:focus {
  outline: 3px solid #fff;
  outline-offset: 2px;
}

h2 {
  color: #667eea;
  font-size: 28px;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1999;
  backdrop-filter: blur(5px);
  animation: fadeInOverlay 0.2s ease-out;
  cursor: pointer;
}

@keyframes fadeInOverlay {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
/* ===== FORM VALIDATION ===== */
#form-eleve {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 400px;
  margin: 20px auto;
  position: relative;
  z-index: 1;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
}

.login-container {
  display: flex;
  gap: 60px;
  justify-content: center;
  align-items: center;
  max-width: 1000px;
  margin: 40px auto;
  position: relative;
}

.login-form-section {
  flex: 1;
  max-width: 450px;
}

.login-google-section {
  flex: 1;
  max-width: 450px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding-top: 0;
  margin-top: -70px;
}

.login-method-title {
  font-size: 20px;
  color: #333;
  margin-bottom: 25px;
  font-weight: 600;
  text-align: center;
}

.login-divider {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  align-self: center;
}

.login-divider span {
  background: white;
  padding: 15px 20px;
  border-radius: 50%;
  color: #999;
  font-weight: 600;
  font-size: 14px;
  z-index: 1;
  border: 2px solid #ddd;
}

.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 32px;
  background: white;
  color: #333;
  border: 2px solid #ddd;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 350px;
}

.btn-google:hover {
  background: #f8f9fa;
  border-color: #667eea;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

.google-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .login-container {
    flex-direction: column;
    align-items: center;
    gap: 40px;
  }
  
  .login-divider {
    width: 100%;
    height: auto;
  }
  
  .login-divider::before {
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, transparent, #ddd 20%, #ddd 80%, transparent);
  }
  
  .login-google-section {
    padding-top: 0;
  }
}

#form-eleve input,
#form-eleve select {
  padding: 12px;
  border: 2px solid #999;
  border-radius: 8px;
  font-family: var(--app-font);
  font-size: 16px;
  background: white;
  color: #333;
  transition: all 0.3s ease;
  min-height: 44px;
}

#form-eleve input::placeholder {
  color: #666;
}

#form-eleve label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: #333;
  font-size: 15px;
}

#form-eleve label span {
  color: #ff6b6b;
}

#form-eleve input:focus,
#form-eleve select:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 8px rgba(102, 126, 234, 0.4);
}

#form-eleve input.error,
#form-eleve select.error {
  border-color: #c92a2a;
  background-color: rgba(201, 42, 42, 0.05);
}

.error-message {
  font-size: 13px;
  color: #c92a2a;
  font-weight: 500;
  min-height: 18px;
}

#btn-submit-eleve {
  padding: 12px 24px;
  margin-top: 8px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  z-index: 1;
}

#btn-submit-eleve:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(102, 126, 234, 0.4);
}

#btn-submit-eleve:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: linear-gradient(135deg, #999 0%, #666 100%);
}

/* ===== WHITE THEME OVERRIDES ===== */
body {
  background: #f7f7f9 !important;
  color: #222;
}

body::before,
body::after {
  background: none !important;
}

.subtitle {
  color: #333;
  text-shadow: none;
}

button,
.btn-secondary,
.btn-bubble,
.btn-home,
#btn-submit-eleve {
  background: #fff !important;
  color: #333 !important;
  border: 2px solid #ccc !important;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08) !important;
}

button:hover,
.btn-secondary:hover,
.btn-bubble:hover,
.btn-home:hover,
#btn-submit-eleve:hover:not(:disabled) {
  background: #f9f9fb !important;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12) !important;
}

h2 {
  color: #333 !important;
}

#world-map-container,
#world-map,
.leaflet-container,
.leaflet-popup-content-wrapper,
.page,
.modal,
input,
select {
  background: #fff !important;
}

#world-map-container,
#world-map {
  border: 1px solid #e5e5e5 !important;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12) !important;
}

.leaflet-tile-pane { opacity: 1 !important; filter: saturate(1) !important; }

.modal-overlay {
  background: rgba(255, 255, 255, 0.6) !important;
}

#matieres-list label:hover {
  background: rgba(0, 0, 0, 0.05) !important;
}

h1 {
  color: #111 !important;
  text-decoration-color: #ddd !important;
  text-shadow: none !important;
}

/* Home Footer - Reviews and Social */
.home-footer {
  display: flex;
  gap: 120px;
  justify-content: center;
  align-items: flex-start;
  margin: 60px auto;
  max-width: 1200px;
  padding: 0 20px;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
}

/* Reviews Section */
.reviews-section {
  flex: 1;
  min-width: 300px;
  max-width: 450px;
}

.reviews-title {
  text-align: center;
  color: #333;
  margin-bottom: 30px;
  font-size: 24px;
  font-weight: 600;
}

.review-card {
  background: white;
  border-radius: 15px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  transition: all 0.3s ease;
}

.review-card:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  transform: translateY(-5px);
}

.review-header {
  display: flex;
  gap: 15px;
  margin-bottom: 15px;
  align-items: center;
}

.review-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #667eea;
}

.review-info {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.review-name {
  font-size: 16px;
  font-weight: 600;
  color: #333;
  margin: 0;
}

.review-stars {
  font-size: 18px;
  color: #ffc107;
  letter-spacing: 2px;
}

.review-text {
  color: #666;
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
  font-style: italic;
}

/* Social Section */
.social-section {
  flex: 1;
  min-width: 300px;
  max-width: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.social-title {
  text-align: center;
  color: #333;
  margin-bottom: 30px;
  font-size: 24px;
  font-weight: 600;
}

/* Social Box */
.social-box {
  background: white;
  border-radius: 15px;
  padding: 40px 30px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  display: flex;
  flex-direction: column;
  gap: 20px;
  justify-content: center;
  align-items: center;
  width: 100%;
}