@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap");

/* =========================================
   1. VARIABLES
   ========================================= */
:root {
  --font-family: "Roboto", sans-serif;
  --primary-color: #0055ff;
  --primary-hover-color: #003cb3;
  --text-color: #0f0f0f;
  --text-color-secondary: #606060;
  --text-color-light: #ffffff;
  --background-color: #f9f9f9;
  --surface-color: #ffffff;
  --surface-hover-color: #f2f2f2;
  --search-bar-bg-color: #f0f0f0;
  --btn-secondary-bg-color: #f0f0f0;
  --btn-secondary-hover-bg-color: #e0e0e0;
  --header-bg-color: rgba(255, 255, 255, 0.95);
  --border-color: #e0e0e0;
  --border-light-color: #f0f0f0;
  --shadow-color: rgba(0, 0, 0, 0.08);
  --shadow-color-hover: rgba(0, 0, 0, 0.1);
  --shadow-btn-primary-hover-color: rgba(0, 85, 255, 0.2);
  --shadow-input-focus-color: rgba(0, 85, 255, 0.1);
  --highlight-link-hover-color: rgba(0, 85, 255, 0.1);
  --banner-text-shadow-color: rgba(0, 0, 0, 0.5);
  --transparent-color: transparent;
}

/* =========================================
   2. BASE & RESET
   ========================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.5;
  /* Structure Flex pour footer collant en bas */
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--primary-hover-color);
}

h1, h2, h3, h4 {
  font-weight: 700;
  color: var(--text-color);
}

/* Conteneur global (si utilisé hors structure spécifique) */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
}

/* Titres de pages génériques */
.page-title {
  font-size: 2rem;
  margin-bottom: 2rem;
  padding: 0 2rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

/* =========================================
   3. HEADER & NAVIGATION
   ========================================= */
.main-header {
  background-color: var(--header-bg-color);
  backdrop-filter: blur(8px); /* Effet verre dépoli moderne */
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-color);
}

.logo {
  height: 40px;
  width: auto;
}

.search-container {
  flex-grow: 1;
  margin: 0 2rem;
  max-width: 500px;
}

.search-bar {
  width: 100%;
  padding: 0.6rem 1rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  font-size: 1rem;
  background-color: var(--search-bar-bg-color);
  color: var(--text-color);
  transition: all 0.2s ease;
}

.search-bar:focus {
  outline: none;
  border-color: var(--primary-color);
  background-color: var(--surface-color);
  box-shadow: 0 0 0 3px var(--shadow-input-focus-color);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  color: var(--text-color-secondary);
  font-weight: 500;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-color);
}

.nav-link.active {
  font-weight: 700;
}

/* Boutons */
.btn {
  padding: 0.5rem 1.25rem;
  border-radius: 20px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid var(--transparent-color);
  display: inline-block;
  text-align: center;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--text-color-light) !important;
  border-color: var(--primary-color);
}

.btn-primary:hover {
  background-color: var(--primary-hover-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px var(--shadow-btn-primary-hover-color);
}

.btn-secondary {
  background-color: var(--btn-secondary-bg-color);
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--btn-secondary-hover-bg-color);
}

/* =========================================
   4. FIL D'ARIANE (BREADCRUMB) - CORRIGÉ
   ========================================= */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center; /* Centre les boîtes verticalement */
  
  max-width: 1200px;
  width: calc(100% - 4rem);
  margin: 1.5rem auto 1rem;
  padding: 0.75rem 1.5rem;
  
  background-color: var(--surface-color);
  border: 1px solid var(--border-light-color);
  border-radius: 50px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

/* Les liens (Items) */
.breadcrumb-item {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-color-secondary);
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-block;
}

.breadcrumb-item:hover {
  color: var(--primary-color);
}

/* Le dernier élément (Page active) */
.breadcrumb-item:last-child {
  color: var(--text-color);
  font-weight: 700;
  pointer-events: none;
  cursor: default;
}

/* Le séparateur (>) */
.breadcrumb-separator {
  margin: 0 0.8rem;
  font-size: 1rem; /* Un peu plus grand pour l'équilibre */
  color: var(--border-color);
  line-height: 1;
  
  /* FIX D'ALIGNEMENT */
  display: inline-block;
  font-family: Arial, sans-serif; /* Le chevron Arial est mieux centré que Roboto */
  position: relative;
  top: 1px; /* On le pousse d'un pixel vers le bas pour l'alignement optique */
}
/* =========================================
   5. BANNIÈRE
   ========================================= */
.banner-section {
  position: relative;
  width: calc(100% - 4rem);
  max-width: 1200px;
  margin: 1.5rem auto 2.5rem;
  height: 300px;
  overflow: hidden;
  border-radius: 12px;
  background-color: var(--surface-color);
}

.main-banner {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.6);
}

.banner-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--text-color-light);
  z-index: 2;
  width: 90%;
}

.banner-content h1 {
  font-size: 2.5rem;
  text-shadow: 2px 2px 10px var(--banner-text-shadow-color);
  color: var(--text-color-light);
  margin-bottom: 0.5rem;
}

.banner-content p {
  font-size: 1.25rem;
  text-shadow: 1px 1px 5px var(--banner-text-shadow-color);
  color: var(--text-color-light);
}

/* =========================================
   6. PAGE D'ACCUEIL (VERSION DESIGN "JOLI")
   ========================================= */
.forum-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem; /* Espacement aéré */
  max-width: 1200px;
  margin: 0 auto 3rem;
  padding: 0 2rem;
}

/* Carte de Section (Conteneur) */
.forum-section {
  background-color: var(--surface-color);
  border-radius: 16px; /* Arrondis modernes */
  border: 1px solid var(--border-light-color);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.forum-section:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 24px var(--shadow-color);
  border-color: var(--border-color);
}

.forum-section > a {
  text-decoration: none;
  display: block;
}

/* En-tête coloré de la carte */
.forum-header {
  padding: 1.25rem 1.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
  /* Dégradé subtil */
  background: linear-gradient(to right, var(--surface-hover-color), var(--surface-color));
  border-bottom: 1px solid var(--border-light-color);
  border-left: 5px solid var(--primary-color); /* Identité visuelle */
  margin: 0;
}

.forum-section > a:hover .forum-header {
  background-color: var(--surface-hover-color);
  color: var(--primary-hover-color);
}

/* Élément Sujet (Grid Layout) */
.forum-item {
  display: grid;
  /* Colonne 1: Avatar (48px) | Colonne 2: Textes */
  grid-template-columns: 48px 1fr; 
  gap: 0 1rem;
  padding: 1.25rem;
  border-bottom: 1px solid var(--border-light-color);
  transition: background-color 0.2s ease;
  position: relative;
}

.forum-item:hover {
  background-color: var(--surface-hover-color);
}

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

/* Avatar dans la grid */
.forum-item .forum-avatar {
  grid-row: 1 / span 4; /* S'étend sur toute la hauteur */
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 2px 8px var(--shadow-color);
  border: 2px solid var(--surface-color);
  margin: 0;
  align-self: start;
}

/* Titre du sujet */
.forum-item .forum-subject {
  grid-column: 2;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-color);
  line-height: 1.4;
  margin-bottom: 0.25rem;
  text-decoration: none;
  
  /* Coupe proprement après 2 lignes */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.forum-item:hover .forum-subject {
  color: var(--primary-color);
}

/* Auteur */
.forum-item .forum-author {
  grid-column: 2;
  font-size: 0.85rem;
  margin: 0;
  font-weight: 500;
  color: var(--text-color);
  margin-bottom: 0.25rem;
}

.forum-author a {
  color: var(--text-color);
}

/* Infos (Messages & Date) */
.forum-item .forum-messages,
.forum-item .forum-last-message {
  grid-column: 2;
  font-size: 0.75rem;
  color: var(--text-color-secondary);
  line-height: 1.4;
  display: block;
}

.forum-item .forum-messages::before {
  content: "💬 "; 
  font-size: 0.7rem;
  opacity: 0.7;
}

.forum-item .forum-last-message {
  margin-top: 2px;
  font-style: italic;
  opacity: 0.8;
}

/* =========================================
   7. PAGE THREAD (SUJET DE DISCUSSION)
   ========================================= */
.thread-page-title {
  margin-top: 0.5rem;
}

.post-container {
  display: flex;
  gap: 1.5rem;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  width: calc(100% - 4rem); 
}

/* Mobile Responsive pour les posts */
@media (max-width: 768px) {
  .post-container {
    flex-direction: column;
    width: calc(100% - 2rem);
  }
  .post-author-info {
    border-right: none;
    border-bottom: 1px solid var(--border-light-color);
    padding-bottom: 1rem;
    padding-right: 0;
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: left !important;
  }
  .post-avatar {
    margin: 0 !important;
  }
}

.post-author-info {
  flex-basis: 180px;
  flex-shrink: 0;
  text-align: center;
  border-right: 1px solid var(--border-light-color);
  padding-right: 1rem;
}

.post-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 0.75rem;
  object-fit: cover;
  border: 2px solid var(--background-color);
  box-shadow: 0 2px 5px var(--shadow-color);
}

.post-author-name {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-color);
  text-decoration: none;
  margin-bottom: 0.25rem;
}

.author-job {
  display: block;
  font-size: 0.8rem;
  color: var(--text-color-secondary);
  font-style: italic;
}

.post-content {
  flex-grow: 1;
  min-width: 0;
}

.post-meta {
  font-size: 0.85rem;
  color: var(--text-color-secondary);
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-light-color);
  margin-bottom: 1rem;
}

.post-body {
  line-height: 1.7;
  font-size: 1rem;
  color: var(--text-color);
}

.post-body p {
  margin-bottom: 1rem;
}

/* =========================================
   8. PAGE UTILISATEUR (PROFIL)
   ========================================= */
.user-profile-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 2rem;
  align-items: start;
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 2rem;
}

@media (max-width: 900px) {
  .user-profile-grid {
    grid-template-columns: 1fr;
  }
}

.profile-info-card,
.profile-activity-card {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 6px var(--shadow-color);
}

.profile-info-card {
  text-align: center;
  position: sticky;
  top: 90px;
}

.profile-avatar {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  border: 4px solid var(--background-color);
  box-shadow: 0 0 20px var(--shadow-color);
  object-fit: cover;
}

.profile-pseudo {
  font-size: 1.8rem;
  margin-bottom: 0.25rem;
  color: var(--primary-color);
}

.profile-job {
  color: var(--text-color-secondary);
  font-size: 0.8rem;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.profile-stats {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  background-color: var(--background-color);
  padding: 1rem;
  border-radius: 8px;
}

.profile-stats div {
  display: flex;
  flex-direction: column;
  font-size: 0.9rem;
  color: var(--text-color-secondary);
}

.profile-stats strong {
  font-size: 1.2rem;
  color: var(--text-color);
}

.profile-divider {
  border: 0;
  height: 1px;
  background-color: var(--border-light-color);
  margin: 1.5rem 0;
}

.profile-details {
  text-align: left;
  font-size: 0.95rem;
  line-height: 1.8;
}

.profile-details p {
  color: var(--text-color);
  margin-bottom: 0.5rem;
}

.profile-details strong {
  color: var(--primary-color);
  font-weight: 500;
}

/* Activité récente */
.profile-activity-card h2 {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--primary-color);
  display: inline-block;
}

.activity-section {
  margin-bottom: 2.5rem;
}

.activity-section h3 {
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
  color: var(--text-color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Liste des activités */
.activity-list > div {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border-light-color);
}

.activity-list > div:last-child {
  border-bottom: none;
}

.comment-thread-title {
  font-size: 1.05rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.comment-thread-title a {
  color: var(--text-color);
}

.comment-thread-title a:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

.comment-date {
  font-size: 0.8rem;
  color: var(--text-color-secondary);
  margin-bottom: 0.5rem;
  display: inline-block;
  background-color: var(--background-color);
  padding: 2px 8px;
  border-radius: 4px;
}

.comment {
  background-color: var(--background-color);
  padding: 1rem;
  border-radius: 8px;
  font-style: italic;
  color: var(--text-color-secondary);
  border-left: 3px solid var(--border-color);
  margin-top: 0.5rem;
}

/* =========================================
   9. FOOTER
   ========================================= */
.footer {
  margin-top: auto;
  width: 100%;
}

.main-footer {
  border-top: 1px solid var(--border-color);
  padding: 3rem 2rem;
  text-align: center;
  background-color: var(--surface-color);
  color: var(--text-color-secondary);
}

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

.footer-links {
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-color-secondary);
  font-size: 0.95rem;
  text-decoration: none;
}

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

.footer-copyright {
  font-size: 0.85rem;
  opacity: 0.8;
}