@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap");

/* --- 1. VARIABLES & RESET --- */
:root {
  /* Tes variables dynamiques */
  --color-bg: #0f172a;
  --color-bg-light: #1e293b;
  --color-text: #f1f5f9;
  --color-accent: #6366f1;
  --color-card: #1e293b;
  --color-border: #334155;
  --color-text-muted: #94a3b8;
  --color-text-soft: #64748b;
  --color-highlight: #ffd23f;
  --color-header-bg: rgba(15, 23, 42, 0.9);
  --color-link-muted: #94a3b8;
  --color-link-soft: #64748b;
  --gradient-hero: linear-gradient(135deg, #6366f1, #3b82f6);
  --gradient-logo: linear-gradient(90deg, #6366f1, #3b82f6);

  --radius: 12px;
  --header-height: 70px;
}

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: var(--color-accent);
  transition: all 0.2s ease;
}
a:hover {
  color: var(--color-highlight);
}

.container {
  max-width: 1240px;
  margin: auto;
  padding: 0 24px;
}

img {
  max-width: 100%;
  display: block;
}

/* --- 2. HEADER & NAV --- */
.main-header {
  background: var(--color-header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.5px;
}
.logo img {
  height: 32px;
  margin-right: 12px;
}
.logo span {
  background: var(--gradient-logo);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.main-nav a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  position: relative;
}
.main-nav a:hover {
  color: var(--color-text);
}
.main-nav a:not(.btn)::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.main-nav a:not(.btn):hover::after {
  width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  border-radius: var(--radius);
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn-cta {
  background: var(--color-accent);
  color: white !important;
  padding: 10px 24px;
  box-shadow: 0 4px 14px 0 rgba(0, 0, 0, 0.1);
}
.btn-cta:hover {
  box-shadow: 0 6px 20px rgba(var(--color-accent), 0.4); /* Suppose RGB variable hack or fallback */
  filter: brightness(1.1);
}

/* --- 3. HERO SECTION --- */
/* Hero Banner (Image vide dans le DOM, gestion du fallback) */
.hero-banner {
  width: 100%;
  height: auto;
  min-height: 20px; /* Si vide */
}

/* Hero Content */
.hero {
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  padding: 100px 0;
  text-align: center;
  color: white;
  margin-bottom: 40px;
}

.hero-content h1 {
  font-size: 3rem;
  font-weight: 800;
  margin: 0 0 16px 0;
  letter-spacing: -1px;
  line-height: 1.1;
}
.hero-content p {
  font-size: 1.25rem;
  opacity: 0.9;
  margin: 0 auto 32px auto;
  max-width: 600px;
}
.btn-hero {
  background: white;
  color: var(--color-bg) !important; /* Contraste fort */
  padding: 14px 32px;
  font-size: 1.1rem;
}

/* --- 4. BREADCRUMB --- */
.breadcrumb {
  padding: 16px 24px;
  margin-bottom: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}
.breadcrumb-item {
  color: var(--color-text-muted);
  font-weight: 500;
}
.breadcrumb-separator {
  margin: 0 8px;
  opacity: 0.5;
}
.breadcrumb-item:hover {
  color: var(--color-accent);
}

/* --- 5. HOME: CATEGORIES & FORUM ITEMS --- */
.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  letter-spacing: -0.5px;
}

/* La grille principale */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); /* Adaptatif */
  gap: 24px;
  margin-bottom: 60px;
}

/* Le conteneur d'une catégorie (ex: Banque, Assurance) */
.forum-section {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%; /* Égalise la hauteur */
}

/* Le titre de la catégorie */
.forum-section > a {
  display: block;
  background: var(--color-bg-light);
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
}
.forum-section > a:hover .forum-header {
  color: var(--color-accent);
}
.forum-header {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
}

/* Les items (Threads) dans la liste */
.forum-item {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: auto 1fr; /* Avatar | Reste */
  gap: 16px;
  align-items: start;
  transition: background 0.2s;
}
.forum-item:last-child {
  border-bottom: none;
}
.forum-item:hover {
  background: var(--color-bg-light);
}

.forum-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%; /* Cercle complet */
  object-fit: cover;
  border: 1px solid var(--color-border);
}

/* Structure interne de l'item (Sujet + Metas) */
/* Astuce: CSS Grid ne s'applique qu'au conteneur direct, 
   donc on gère les éléments textes qui flottent à côté de l'avatar */

.forum-subject {
  grid-column: 2;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: 6px;
  display: block;
}
.forum-subject:hover {
  color: var(--color-accent);
  text-decoration: none;
}

/* Metadonnées (Auteur, messages, date) - on les met en ligne ou bloc */
.forum-author,
.forum-messages,
.forum-last-message {
  grid-column: 2;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  display: inline-block;
  margin-right: 12px;
}

.forum-author a {
  font-weight: 600;
  color: var(--color-text-soft);
}

.forum-messages::before {
  content: "•";
  margin-right: 8px;
  opacity: 0.5;
}

.forum-last-message {
  display: block;
  margin-top: 4px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* --- 6. PAGE THREAD --- */
.thread-meta {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 20px;
}

.post-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.thread-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
}

.thread-card p {
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
  color: var(--color-text);
  white-space: pre-line;
}

.post-author {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 12px;
  margin-bottom: 0 !important; /* Override p margin */
  text-align: right;
}
.post-author a {
  font-weight: 700;
  color: var(--color-accent);
}

.reply-box {
  margin-top: 40px;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
}
.reply-box h3 {
  margin-top: 0;
}

/* --- 7. PAGE USER --- */
.profile {
  margin-top: 20px;
}

.profile-header {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 24px;
}

.profile-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 0 2px var(--color-accent);
}

.profile-header h1 {
  margin: 0 0 8px 0;
  font-size: 2rem;
}
.profile-header p {
  margin: 0;
  color: var(--color-text-muted);
}

.profile-bio {
  background: var(--color-bg-light);
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  margin-bottom: 40px;
  font-style: italic;
  color: var(--color-text-soft);
}

.thread-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
/* Style générique pour les items dans thread-list (comme les posts ou threads) */
.thread-list > div, 
.thread-list > article {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  padding: 16px;
  border-radius: var(--radius);
}

/* --- 8. FOOTER --- */
.footer {
  margin-top: auto;
}
.main-footer {
  background: var(--color-card);
  border-top: 1px solid var(--color-border);
  padding: 60px 0 20px;
  margin-top: 80px;
  color: var(--color-text-muted);
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  height: 36px;
  margin-bottom: 16px;
  opacity: 0.8;
}

.footer-col h4 {
  color: var(--color-text);
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  margin-bottom: 12px;
  color: var(--color-text-muted);
}
.footer-col a:hover {
  color: var(--color-accent);
  padding-left: 4px; /* Petit effet de glissement */
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  font-size: 0.9rem;
}

/* --- 9. RESPONSIVE --- */
@media (max-width: 768px) {
  .hero-content h1 { font-size: 2rem; }
  
  .category-grid { grid-template-columns: 1fr; }
  
  .forum-item {
    grid-template-columns: 1fr; /* Stack avatar and text */
    gap: 8px;
  }
  .forum-avatar {
    width: 40px; height: 40px;
    margin-bottom: 4px;
  }
  .forum-subject { grid-column: 1; }
  .forum-author, .forum-messages { grid-column: 1; }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .profile-header {
    flex-direction: column;
    text-align: center;
  }
}