:root {
  /* Palette de couleurs de base */
  --bg-dark-slate: #2d1b49;
  --surface-slate: #432c66;
  --border-slate: #5b4182;
  --accent-amber: #facc15;
  --accent-amber-hover: #eab308;
  --text-light: #f3f4f6;
  --text-muted: #d8b4fe;
  --text-on-accent: #2d1b49;
  
  /* Couleurs spécifiques aux boutons et fond */
  --auth-button-text-color: #ffffff;
  --starfield-bg-color: #2d1b49;
  --starfield-particle-color: rgba(250, 204, 21, 0.5);

  /* Couleurs spécifiques aux composants */
  --header-bg-color: rgba(67, 44, 102, 0.8);
  --category-header-bg-color: rgba(45, 27, 73, 0.5);
  --topic-row-hover-bg-color: rgba(91, 65, 130, 0.3);
  --footer-bg-color: #1e1232;
  --footer-bottom-bg-color: rgba(0, 0, 0, 0.5);
  --profile-banner-gradient-start: #432c66;
  --profile-banner-gradient-end: #2d1b49;
  --banner-overlay-bg-color: rgba(45, 27, 73, 0.6);
  --banner-text-shadow-color: rgba(0, 0, 0, 0.5);
  --banner-subtext-color: #e5e7eb;
  --transparent: transparent;

  /* Typographie */
  --font-body: "Inter", sans-serif;
  --font-display: "Oswald", sans-serif;

  /* Rayons et espacements */
  --border-radius: 8px;
  --spacing: 20px;
}

/*==============================
  INITIALISATION & STYLES GLOBAUX
==============================*/
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-dark-slate);
  color: var(--text-light);
  font-family: var(--font-body);
  font-size: 16px;
}

#starfield-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-color: var(--starfield-bg-color); /* Utilise la variable pour le fond */
}

a {
  color: var(--text-light);
  text-decoration: none;
  transition: color 0.2s ease-in-out;
}
a:hover {
  color: var(--accent-amber);
}

/*==============================
  HEADER & NAVIGATION
==============================*/
.site-header {
  background-color: var(--header-bg-color);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-slate);
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo {
  width: 40px;
}
.site-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 1px;
}
.main-nav {
  display: flex;
  gap: 25px;
  align-items: center;
}
.main-nav .nav-link {
  font-weight: 500;
  color: var(--auth-button-text-color);
  padding-bottom: 5px;
  border-bottom: 2px solid var(--transparent);
}
.main-nav .nav-link:hover {
  color: var(--text-light);
}
.main-nav .nav-link.active {
  color: var(--accent-amber);
  border-bottom-color: var(--accent-amber);
}
.auth-link {
  background-color: var(--accent-amber);
  color: var(--auth-button-text-color); /* MODIFICATION ICI */
  padding: 8px 16px;
  border-radius: var(--border-radius);
  font-weight: 700;
  transition: background-color 0.2s;
}
.auth-link:hover {
  background-color: var(--accent-amber-hover);
  color: var(--auth-button-text-color); /* MODIFICATION ICI */
}

/*==============================
  CONTENU PRINCIPAL
==============================*/
.main-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: calc(var(--spacing) * 2) var(--spacing);
}

.banner {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid var(--border-slate);
  margin-bottom: var(--spacing);
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing);
  background-size: cover;
  background-position: center;
}
.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--banner-overlay-bg-color);
  z-index: 1;
}
.banner-content {
  position: relative;
  z-index: 2;
  color: var(--text-light);
}
.banner-content h1 {
  font-family: var(--font-display);
  font-size: 42px;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
  text-shadow: 0 2px 10px var(--banner-text-shadow-color);
}
.banner-content p {
  font-size: 18px;
  color: var(--banner-subtext-color);
  text-shadow: 0 1px 5px var(--banner-text-shadow-color);
}

/*==============================
  BLOCS DE CATÉGORIE & LISTE DE SUJETS
==============================*/
.category-block {
  background-color: var(--surface-slate);
  border: 1px solid var(--border-slate);
  border-radius: var(--border-radius);
  margin-bottom: calc(var(--spacing) * 2);
}
.category-header {
  background-color: var(--category-header-bg-color);
  padding: 12px var(--spacing);
  border-bottom: 1px solid var(--border-slate);
}
.category-header h2 {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 1px;
}
.topic-list-header {
  display: none;
  font-size: 12px;
  color: var(--text-muted);
  padding: 10px var(--spacing);
  border-bottom: 1px solid var(--border-slate);
  font-weight: 500;
  text-transform: uppercase;
}
.topic-row,
.topic-list-header {
  align-items: center;
  width: 100%;
}
.topic-row {
  padding: 15px var(--spacing);
  border-bottom: 1px solid var(--border-slate);
  transition: background-color 0.2s;
  display: flex;
  flex-wrap: wrap;
}
.topic-row:last-child {
  border-bottom: none;
}
.topic-row:hover {
  background-color: var(--topic-row-hover-bg-color);
}
.topic-main-info {
  flex: 1;
  min-width: 250px;
  display: flex;
  align-items: center;
  gap: 15px;
}
.topic-icon {
  color: var(--text-muted);
}
.topic-icon svg {
  fill: var(--text-muted);
}
.topic-title {
  display: block;
  font-weight: 500;
}
.topic-author {
  font-size: 14px;
  color: var(--text-muted);
}
.topic-author a {
  color: var(--text-muted);
  font-weight: 500;
}
.topic-stats,
.topic-last-post {
  display: none;
}
.last-post-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

@media (min-width: 768px) {
  .topic-list-header,
  .topic-row {
    display: flex;
  }
  .topic-main-info {
    flex-basis: 50%;
  }
  .topic-stats {
    display: block;
    flex-basis: 150px;
    text-align: center;
    font-size: 14px;
    line-height: 1.4;
  }
  .topic-stats strong {
    color: var(--text-light);
  }
  .topic-last-post {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-basis: 250px;
    font-size: 14px;
  }
  .topic-last-post div {
    display: flex;
    flex-direction: column;
  }
  .topic-last-post span {
    color: var(--text-muted);
    font-size: 12px;
  }
}

/*==============================
  FIL D'ARIANE & PAGINATION
==============================*/
.breadcrumb {
  margin-bottom: var(--spacing);
  color: var(--text-muted);
}
.breadcrumb a {
  color: var(--text-muted);
}
.breadcrumb span {
  margin: 0 10px;
}
.pagination {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: var(--spacing);
}
.pagination a {
  padding: 8px 16px;
  border-radius: var(--border-radius);
  background-color: var(--surface-slate);
  border: 1px solid var(--border-slate);
  font-weight: 500;
  color: var(--text-light); /* Assure que le texte est lisible */
}
.pagination a.active,
.pagination a:hover {
  background-color: var(--accent-amber);
  border-color: var(--accent-amber);
  color: var(--auth-button-text-color);
}

/*==============================
  PAGE DE DISCUSSION (THREAD)
==============================*/
.thread-title {
  font-family: var(--font-display);
  font-size: 32px;
  letter-spacing: 1px;
  margin-bottom: var(--spacing);
}
.post-card {
  display: flex;
  gap: var(--spacing);
  background-color: var(--surface-slate);
  border: 1px solid var(--border-slate);
  border-radius: var(--border-radius);
  padding: var(--spacing);
  margin-bottom: var(--spacing);
}
.post-author {
  flex-shrink: 0;
  width: 150px;
  text-align: center;
}
.author-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin-bottom: 10px;
}
.author-name {
  display: block;
  font-weight: 700;
  font-size: 18px;
}
.author-role {
  color: var(--text-muted);
  font-size: 14px;
}
.post-content {
  flex-grow: 1;
}
.post-meta {
  padding-bottom: 10px;
  margin-bottom: 15px;
  border-bottom: 1px solid var(--border-slate);
  color: var(--text-muted);
  font-size: 14px;
}
.post-body {
  line-height: 1.7;
}
.post-body p a {
  text-decoration: none;
  color: var(--accent-amber-hover);
}
.reply-form textarea {
  width: 100%;
  min-height: 150px;
  background-color: var(--bg-dark-slate);
  border: 1px solid var(--border-slate);
  border-radius: var(--border-radius);
  padding: 15px;
  color: var(--text-light);
  font-family: var(--font-body);
  font-size: 16px;
  resize: vertical;
}
.reply-form .auth-link {
  display: block;
  margin-top: 15px;
  text-align: left;
  width: 168px;
}

/*==============================
  PAGES PROFIL & AUTH
==============================*/
.profile-card {
  background-color: var(--surface-slate);
  border: 1px solid var(--border-slate);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing);
}
.profile-banner {
  height: 200px;
  background: linear-gradient(
    45deg,
    var(--profile-banner-gradient-start),
    var(--profile-banner-gradient-end)
  );
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}
.profile-header {
  position: relative;
  padding: 0 var(--spacing);
  display: flex;
  align-items: flex-end;
  gap: var(--spacing);
  height: 60px;
}
.profile-avatar {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 5px solid var(--surface-slate);
  margin-top: -70px;
  background-color: var(--surface-slate);
}
.profile-identity {
  padding-bottom: 10px;
}
.profile-name {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 1px;
}
.profile-joined {
  color: var(--text-muted);
}
.profile-stats-bar {
  display: flex;
  padding: var(--spacing);
  gap: var(--spacing);
  border-top: 1px solid var(--border-slate);
  margin-top: 15px;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 14px;
  color: var(--text-muted);
}
.stat-item strong {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-light);
}
.profile-activity .topic-row {
  padding-left: var(--spacing);
  padding-right: var(--spacing);
}
.auth-card {
  max-width: 450px;
  margin: calc(var(--spacing) * 2) auto;
  background-color: var(--surface-slate);
  border-radius: var(--border-radius);
  padding: calc(var(--spacing) * 1.5);
}
.auth-card h1 {
  text-align: center;
  font-family: var(--font-display);
  letter-spacing: 1px;
  margin-bottom: var(--spacing);
}
.form-group {
  margin-bottom: var(--spacing);
}
.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}
.form-input {
  width: 100%;
  padding: 12px;
  background-color: var(--bg-dark-slate);
  border: 1px solid var(--border-slate);
  border-radius: var(--border-radius);
  color: var(--text-light);
  font-size: 16px;
}
.form-switch {
  text-align: center;
  margin-top: var(--spacing);
  color: var(--text-muted);
}

/*==============================
  PIED DE PAGE
==============================*/
.site-footer {
  background-color: var(--footer-bg-color);
  border-top: 1px solid var(--border-slate);
  padding: calc(var(--spacing) * 2) 0 0 0;
  margin-top: var(--spacing);
}
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing) calc(var(--spacing) * 2) var(--spacing);
  display: flex;
  justify-content: space-between;
  gap: calc(var(--spacing) * 2);
}
.footer-column {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-column h3 {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 1px;
  color: var(--text-light);
  margin-bottom: 5px;
}
.footer-column a {
  color: var(--text-muted);
}
.footer-bottom {
  text-align: center;
  padding: var(--spacing);
  color: var(--text-muted);
  font-size: 14px;
  background-color: var(--footer-bottom-bg-color);
}

/* .forum-item {
    display: grid;
    grid-template-columns: 48px minmax(0, 3fr) minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1.5fr);
    gap: 16px;
    align-items: center;
    padding: 16px;
}

.forum-item:first-of-type {
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}
.forum-item:last-of-type {
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
    margin-bottom: 0;
}
.forum-item:only-of-type {
    border-radius: 8px;
} */

.forum-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: block;
}

/* .forum-subject {
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    line-height: 1.4;
}
.forum-subject:hover {
    text-decoration: underline;
}

.forum-author,
.forum-messages,
.forum-last-message {
    font-size: 0.9rem;
}

.forum-author a {
    font-weight: 600;
    text-decoration: none;
}
.forum-author a:hover {
    text-decoration: underline;
}

.forum-messages {
    text-align: center;
}

.forum-last-message {
    text-align: right;
    white-space: nowrap;
} */