:root {
  --primary: #1E3A8A; 
  --secondary: #2563EB; 
  --light: #F3F4F6;
  --dark: #1F2937;
}

/* Conteneur central commun */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background-color: var(--light);
  color: var(--dark);
}

/* HEADER */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: white;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  z-index: 100;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 40px;
}

.logo {
  font-size: 1.6em;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.menu {
  display: flex;
  gap: 25px;
  align-items: center;
}

.menu a {
  text-decoration: none;
  color: var(--dark);
  font-weight: 500;
}

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

.cta {
  background-color: var(--primary);
  color: white !important;
  padding: 10px 18px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  animation: ctaPulse 20s infinite;
  transition: all 0.3s ease;
}

.cta:hover {
  background-color: var(--secondary);
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

@keyframes ctaPulse {
  0%, 95% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
  }
  96% {
    transform: scale(1.08);
    box-shadow: 0 0 0 10px rgba(37, 99, 235, 0.3);
  }
  97% {
    transform: scale(1);
    box-shadow: 0 0 0 15px rgba(37, 99, 235, 0);
  }
  98% {
    transform: scale(1.08);
    box-shadow: 0 0 0 10px rgba(37, 99, 235, 0.3);
  }
  99%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
  }
}

/* Désactiver l'animation pour le bouton de déconnexion */
#logoutBtn {
  animation: none !important;
}

/* HERO */
.hero {
  margin-top: 70px;
  text-align: center;
  padding: 80px 20px;
  background: linear-gradient(135deg, #1E3A8A, #2563EB);
  color: white;
}

.hero h1 {
  font-size: 2.4em;
  margin-bottom: 20px;
}

.logo-inline {
  height: 1.2em;
  width: auto;
  vertical-align: middle;
  display: inline-block;
  margin-left: 5px;
  border-radius: 4px;
}

.search-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  background: white;
  border-radius: 50px;
  padding: 10px 20px;
  width: 90%;
  max-width: 700px;
  margin: 0 auto 30px;
}

.search-bar input {
  flex: 1;
  border: none;
  outline: none;
  padding: 12px;
  font-size: 1em;
}

.search-bar button {
  background-color: var(--secondary);
  border: none;
  color: white;
  border-radius: 50px;
  padding: 12px 20px;
  cursor: pointer;
  font-weight: 600;
}

.subcategories {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.subcategories span {
  background-color: rgba(255,255,255,0.2);
  padding: 8px 15px;
  border-radius: 20px;
  font-size: 0.9em;
  cursor: pointer;
  transition: background-color 0.3s;
}

.subcategories span:hover {
  background-color: rgba(255,255,255,0.4);
}

/* SECTIONS */
section {
  padding: 60px 5%;
  width: 100%;
  box-sizing: border-box;
  margin: 0 auto;
}

h2 {
  text-align: center;
  color: var(--primary);
  margin-bottom: 40px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 25px;
}

.card {
  background-color: white;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  padding: 20px;
  transition: transform 0.2s;
}

.card:hover {
  transform: translateY(-4px);
}

.card img {
  width: 100%;
  border-radius: 8px;
}

.card h3 {
  margin-top: 10px;
  color: var(--dark);
}

/* COMMENT ÇA MARCHE */
.how-it-works {
  background-color: white;
  text-align: center;
  padding: 80px 20px;
}

.how-it-works .intro {
  max-width: 800px;
  margin: 0 auto 40px;
  font-size: 1.1em;
  color: #374151;
}

.how-it-works .grid {
  max-width: 900px;
  margin: 0 auto;
  justify-items: center;
}

.security-banner {
  max-width: 800px;
  margin: 50px auto 0;
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  padding: 30px 40px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
}

.security-banner h3 {
  font-size: 1.5em;
  margin-bottom: 15px;
  color: white;
}

.security-banner p {
  font-size: 1em;
  line-height: 1.6;
  margin: 0;
}

/* DERNIÈRES DEMANDES */
.requests-open .grid {
  max-width: 900px;
  margin: 0 auto;
  justify-items: center;
}

/* FOOTER */
.footer {
  background-color: var(--dark);
  color: white;
  padding: 60px 40px 30px 40px;
  margin-top: 60px;
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-column h3 {
  color: var(--secondary);
  font-size: 1.4em;
  margin-bottom: 15px;
}

.footer-column h4 {
  color: var(--secondary);
  margin-bottom: 15px;
}

.footer-column ul {
  list-style: none;
  padding: 0;
}

.footer-column ul li {
  margin: 8px 0;
}

.footer-column ul li a {
  color: #d1d5db;
  text-decoration: none;
  font-size: 0.95em;
  transition: color 0.2s;
}

.footer-column ul li a:hover {
  color: var(--secondary);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  margin-top: 40px;
  padding-top: 25px;
  font-size: 0.9em;
  color: #9CA3AF;
}

.menu a.active-link {
  color: var(--secondary);
  font-weight: 700;
  position: relative;
}

.menu a.active-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 100%;
  height: 2px;
  background-color: var(--secondary);
  border-radius: 2px;
}

.hidden {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

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

header.scrolled {
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  background-color: rgba(255,255,255,0.95);
  backdrop-filter: blur(6px);
  transition: all 0.3s ease;
}

/* --- CATEGORIES --- */
.categories {
  background-color: white;
  text-align: center;
  padding: 80px 5%;
}

.categories h2 {
  color: var(--primary);
  margin-bottom: 40px;
  font-size: 2em;
  font-weight: 700;
}

/* Grille compacte et responsive */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}

/* Cartes pro et sobres */
.category-card {
  background-color: #f9fafb;
  border-radius: 12px;
  box-shadow: 0 3px 8px rgba(0,0,0,0.05);
  padding: 20px 10px;
  cursor: pointer;
  text-decoration: none;
  color: var(--dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
}

.category-card:hover {
  background-color: #ffffff;
  box-shadow: 0 6px 14px rgba(0,0,0,0.1);
  transform: translateY(-4px);
}

.category-card img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  margin-bottom: 10px;
  opacity: 0.9;
}

.category-card h3 {
  font-size: 0.9em;
  font-weight: 600;
  color: #1f2937;
  line-height: 1.2em;
}

/* Mobile */
@media (max-width: 768px) {
  .categories {
    padding: 50px 20px;
  }

  .categories h2 {
    font-size: 1.6em;
  }

  .categories-grid {
    gap: 15px;
  }

  .category-card {
    padding: 15px 10px;
    border-radius: 10px;
  }

  .category-card img {
    width: 30px;
    height: 30px;
  }

  .category-card h3 {
    font-size: 0.8em;
  }
}

@media (max-width: 480px) {
  .categories-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .category-card {
    padding: 10px;
  }
}

/* ============================================
   MODALS INSCRIPTION / CONNEXION
   ============================================ */

.auth-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.3s ease;
}

.auth-modal.active {
  display: flex;
}

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

.modal-content {
  background: white;
  border-radius: 16px;
  max-width: 900px;
  width: 90%;
  max-height: 90vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: slideUp 0.4s ease;
  position: relative;
  overflow: hidden;
}

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

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 35px;
  height: 35px;
  background: white;
  border: none;
  border-radius: 50%;
  font-size: 1.5em;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.modal-close:hover {
  background: var(--light);
  transform: rotate(90deg);
}

.modal-image {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  position: relative;
  overflow: hidden;
  border-radius: 16px 0 0 16px;
}

.modal-image::before {
  content: '';
  position: absolute;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.modal-image-content {
  text-align: center;
  color: white;
  z-index: 1;
}

.modal-image-content h2 {
  font-size: 2em;
  margin-bottom: 15px;
}

.modal-image-content p {
  font-size: 1.1em;
  line-height: 1.6;
  opacity: 0.9;
}

.modal-image-icon {
  font-size: 5em;
  margin-bottom: 20px;
}

.modal-form {
  padding: 50px 40px;
  overflow-y: auto;
  max-height: 90vh;
  border-radius: 0 16px 16px 0;
}

.modal-form h2 {
  color: var(--primary);
  font-size: 1.8em;
  margin-bottom: 10px;
}

.modal-form p {
  color: #6b7280;
  margin-bottom: 30px;
}

.social-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 25px;
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px 20px;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  background: white;
  font-size: 1em;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--dark);
}

.social-btn:hover {
  border-color: var(--secondary);
  background: #f9fafb;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.social-btn img {
  width: 20px;
  height: 20px;
}

.divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 25px 0;
  color: #9ca3af;
  font-size: 0.9em;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid #e5e7eb;
}

.divider span {
  padding: 0 15px;
}

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

.form-group label {
  display: block;
  color: var(--dark);
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 0.95em;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  font-size: 1em;
  font-family: 'Poppins', sans-serif;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.submit-btn {
  width: 100%;
  padding: 14px 20px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1.05em;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 10px;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.switch-auth {
  text-align: center;
  margin-top: 25px;
  color: #6b7280;
  font-size: 0.95em;
}

.switch-auth a {
  color: var(--secondary);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.switch-auth a:hover {
  text-decoration: underline;
}

.terms {
  font-size: 0.85em;
  color: #9ca3af;
  margin-top: 15px;
  line-height: 1.5;
}

.terms a {
  color: var(--secondary);
  text-decoration: none;
}

.terms a:hover {
  text-decoration: underline;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .modal-content {
    grid-template-columns: 1fr;
    max-width: 95%;
  }
  
  .modal-image {
    display: none;
  }
  
  .modal-form {
    padding: 40px 30px;
  }
}

/* Styles pour les étapes d'inscription */
.back-btn {
  background: none;
  border: none;
  color: var(--secondary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  margin-bottom: 20px;
  padding: 8px 0;
  font-size: 0.95em;
  transition: all 0.3s ease;
}

.back-btn:hover {
  gap: 12px;
  color: var(--primary);
}

.captcha-group label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 15px;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  transition: all 0.3s ease;
  background: #f9fafb;
}

.captcha-group label:hover {
  border-color: var(--secondary);
  background: white;
}

.captcha-group input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
  margin: 0;
}

/* Bouton inscription par email */
.email-signup-btn {
  width: 100%;
  padding: 14px 20px;
  background: white;
  border: 2px solid var(--secondary);
  border-radius: 8px;
  color: var(--secondary);
  font-size: 1em;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
}

.email-signup-btn:hover {
  background: var(--secondary);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

.email-signup-btn svg {
  stroke: currentColor;
}

/* Messages personnalisés */
.custom-message {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 16px 24px;
  border-radius: 8px;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  z-index: 10000;
  opacity: 0;
  transform: translateX(400px);
  transition: all 0.3s ease;
  max-width: 400px;
  font-family: 'Poppins', sans-serif;
}

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

.custom-message.success {
  background: #10b981;
  color: white;
}

.custom-message.error {
  background: #ef4444;
  color: white;
}

.custom-message.info {
  background: #3b82f6;
  color: white;
}

.custom-message.warning {
  background: #f59e0b;
  color: white;
}

/* Indicateurs de validation du mot de passe */
.password-requirements {
  margin-top: 8px;
  padding: 10px;
  background: #f9fafb;
  border-radius: 6px;
  border: 1px solid #e5e7eb;
}

.requirement {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85em;
  color: #6b7280;
  margin: 4px 0;
  transition: all 0.3s ease;
}

.requirement .req-icon {
  font-size: 1.2em;
  font-weight: bold;
  transition: all 0.3s ease;
}

.requirement .req-text {
  transition: color 0.3s ease;
}

/* État validé */
.requirement.valid {
  color: #10b981;
}

.requirement.valid .req-icon {
  color: #10b981;
}

.requirement.valid .req-icon::before {
  content: '✓';
}

/* État invalide */
.requirement.invalid {
  color: #ef4444;
}

.requirement.invalid .req-icon {
  color: #ef4444;
}

.requirement.invalid .req-icon::before {
  content: '✗';
}

/* Masquer les boutons auth pendant le chargement pour éviter le clignotement */
body:not(.auth-ready) .menu a[href*="inscription"],
body:not(.auth-ready) .menu a[href*="connexion"] {
  visibility: hidden !important;
}

body.auth-ready .menu a {
  visibility: visible;
  transition: opacity 0.3s ease;
}

/* Gestion des boutons auth selon l'état de connexion */
.auth-link.logged-in {
  display: none; /* Caché par défaut */
}

.auth-link.logged-out {
  display: inline-block; /* Visible par défaut */
}

/* Masquer tous les boutons auth pendant le chargement */
body:not(.auth-ready) .auth-link {
  visibility: hidden !important;
}

body.auth-ready .auth-link {
  visibility: visible;
}

/* Animation d'apparition pour les boutons auth */
.auth-link {
  opacity: 0;
  transform: translateY(-5px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

body.auth-ready .auth-link {
  opacity: 1;
  transform: translateY(0);
}

/* Animation au survol des boutons auth */
.auth-link:hover {
  transform: translateY(-2px);
}

/* Section d'authentification */
.auth-section {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.auth-container {
  background: white;
  border-radius: 16px;
  padding: 40px;
  max-width: 600px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.auth-container h1 {
  text-align: center;
  color: var(--primary);
  margin-bottom: 10px;
  font-size: 2em;
}

.auth-subtitle {
  text-align: center;
  color: #6b7280;
  margin-bottom: 30px;
}

/* Sélection du type d'utilisateur */
.user-type-selection {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-bottom: 30px;
}

.user-type-card {
  position: relative;
  cursor: pointer;
  border: 2px solid #e5e7eb;
  border-radius: 12px;
  padding: 20px;
  transition: all 0.3s ease;
  background: #f9fafb;
}

.user-type-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

.user-type-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.user-type-card.selected {
  border-color: var(--primary);
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.card-content {
  text-align: center;
}

.card-icon {
  font-size: 2.5em;
  margin-bottom: 10px;
}

.card-content h3 {
  font-size: 1.1em;
  margin-bottom: 8px;
  color: var(--primary);
}

.card-content p {
  font-size: 0.9em;
  color: #6b7280;
  margin: 0;
}

/* Formulaire d'authentification */
.auth-form {
  margin-top: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #374151;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="tel"] {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  font-size: 1em;
  transition: all 0.3s ease;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 0.9em;
  color: #6b7280;
}

.checkbox-label input[type="checkbox"] {
  margin-top: 3px;
  cursor: pointer;
}

.checkbox-label a {
  color: var(--primary);
  text-decoration: none;
}

.checkbox-label a:hover {
  text-decoration: underline;
}

/* Boutons d'authentification */
.auth-btn {
  width: 100%;
  padding: 14px 20px;
  border-radius: 8px;
  font-size: 1em;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.auth-btn.primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  margin-bottom: 15px;
}

.auth-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.auth-btn.google {
  background: white;
  border: 2px solid #e5e7eb;
  color: #374151;
}

.auth-btn.google:hover {
  border-color: #d1d5db;
  background: #f9fafb;
}

/* Divider */
.auth-divider {
  position: relative;
  text-align: center;
  margin: 25px 0;
}

.auth-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: #e5e7eb;
}

.auth-divider span {
  position: relative;
  background: white;
  padding: 0 15px;
  color: #9ca3af;
  font-size: 0.9em;
}

/* Footer d'authentification */
.auth-footer {
  text-align: center;
  margin-top: 20px;
  color: #6b7280;
  font-size: 0.95em;
}

.auth-footer a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

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

/* Responsive */
@media (max-width: 768px) {
  .user-type-selection {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .auth-container {
    padding: 30px 20px;
  }
}

/* Menu burger pour mobile */
.burger-menu {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.burger-menu span {
  width: 25px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
  transition: all 0.3s ease;
}

.burger-menu.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.burger-menu.active span:nth-child(2) {
  opacity: 0;
}

.burger-menu.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Responsive Mobile */
@media (max-width: 768px) {
  /* Afficher le burger */
  .burger-menu {
    display: flex;
  }
  
  /* Menu mobile */
  .menu {
    position: fixed;
    top: 70px;
    right: -100%;
    width: 280px;
    height: calc(100vh - 70px);
    background: white;
    flex-direction: column;
    padding: 30px 20px;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    z-index: 1000;
    overflow-y: auto;
  }
  
  .menu.active {
    right: 0;
  }
  
  .menu a {
    padding: 15px 20px;
    border-bottom: 1px solid #e5e7eb;
    text-align: left;
    width: 100%;
  }
  
  .menu a.cta {
    margin-top: 10px;
    text-align: center;
    border-bottom: none;
  }
  
  /* Overlay sombre */
  body.menu-open::before {
    content: '';
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
  }
  
  /* Navbar */
  .navbar {
    justify-content: space-between;
  }
  
  /* Hero */
  .hero {
    padding: 80px 20px 60px;
  }
  
  .hero h1 {
    font-size: 2em;
  }
  
  .search-bar {
    flex-direction: column;
    gap: 10px;
  }
  
  .search-bar input {
    width: 100%;
  }
  
  .search-bar button {
    width: 100%;
  }
  
  .subcategories {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  /* Catégories */
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }
  
  .category-card {
    padding: 20px 15px;
  }
  
  /* Demandes grid */
  .demandes-grid {
    grid-template-columns: 1fr;
  }
  
  /* Footer */
  .footer-container {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  /* Auth section */
  .auth-container {
    padding: 30px 20px;
  }
  
  .user-type-selection {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  /* Tableau de bord */
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  
  /* Messages */
  .messages-container {
    grid-template-columns: 1fr;
    height: auto;
  }
  
  .conversations-list {
    height: 300px;
  }
  
  /* Propositions */
  .proposition-card {
    flex-direction: column;
  }
  
  .proposition-left {
    width: 100%;
  }
  
  .proposition-right {
    width: 100%;
    border-left: none;
    border-top: 2px solid #e5e7eb;
    padding-left: 0;
    padding-top: 20px;
  }
  
  /* Profil marronneur */
  .profile-layout {
    grid-template-columns: 1fr;
  }
  
  .profile-sidebar {
    position: relative;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
}

/* Responsive Tablette */
@media (max-width: 1024px) and (min-width: 769px) {
  .categories-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .demandes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Très petit mobile */
@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.5em;
  }
  
  .categories-grid {
    grid-template-columns: 1fr;
  }
  
  .category-card h3 {
    font-size: 1.1em;
  }
  
  .auth-container h1 {
    font-size: 1.6em;
  }
}

/* ============================================
   NOTIFICATIONS TOAST
   ============================================ */
.toast-notification {
  position: fixed;
  top: 100px;
  right: 30px;
  min-width: 350px;
  max-width: 450px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.15);
  padding: 20px 25px;
  z-index: 10000;
  animation: slideInRight 0.4s ease-out;
  display: flex;
  align-items: flex-start;
  gap: 15px;
}

@keyframes slideInRight {
  from {
    transform: translateX(450px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.toast-notification.hiding {
  animation: slideOutRight 0.3s ease-in forwards;
}

@keyframes slideOutRight {
  to {
    transform: translateX(450px);
    opacity: 0;
  }
}

.toast-icon {
  font-size: 28px;
  flex-shrink: 0;
  margin-top: 2px;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 6px 0;
  color: var(--dark);
}

.toast-message {
  font-size: 14px;
  color: #6B7280;
  margin: 0;
  line-height: 1.5;
}

.toast-close {
  background: none;
  border: none;
  font-size: 20px;
  color: #9CA3AF;
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all 0.2s;
  flex-shrink: 0;
}

.toast-close:hover {
  background: #F3F4F6;
  color: var(--dark);
}

/* Types de toast */
.toast-success .toast-icon { color: #10B981; }
.toast-success .toast-title { color: #059669; }
.toast-success { border-left: 4px solid #10B981; }

.toast-error .toast-icon { color: #EF4444; }
.toast-error .toast-title { color: #DC2626; }
.toast-error { border-left: 4px solid #EF4444; }

.toast-info .toast-icon { color: #3B82F6; }
.toast-info .toast-title { color: #2563EB; }
.toast-info { border-left: 4px solid #3B82F6; }

/* Responsive toast */
@media (max-width: 768px) {
  .toast-notification {
    right: 15px;
    left: 15px;
    min-width: unset;
    max-width: unset;
    top: 80px;
  }
}