:root {
  /* Palette de couleurs glaciales */
  --caverne-bg: #0a1929;
  --caverne-surface: #14213d;
  --caverne-surface-alt: #1e3a5f;
  --caverne-ice: #2a4a7a;
  --caverne-ice-bright: #4a7bbd;
  --caverne-text: #ffffff;
  --caverne-text-muted: #a0b8d6;
  --caverne-border: rgba(160, 184, 214, 0.3);
  --caverne-shadow: rgba(0, 0, 0, 0.5);
  --caverne-highlight: #00ffff;
  --caverne-accent: #00bfff;
  --caverne-warning: #ff9900;
  --caverne-danger: #ff4444;
}

/* Styles globaux */
body {
  background-color: var(--caverne-bg);
  color: var(--caverne-text);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.5;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(42, 74, 122, 0.1) 0%, transparent 20%),
    radial-gradient(circle at 90% 80%, rgba(0, 191, 255, 0.1) 0%, transparent 20%),
    linear-gradient(135deg, var(--caverne-bg) 0%, #001a33 100%);
  background-attachment: fixed;
}

/* Header personnalisé */
.caverne-header {
  background: rgba(20, 33, 61, 0.9);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--caverne-border);
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.4);
  position: relative;
  z-index: 100;
  padding: 0.5rem 0;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Logo et nom du forum */
.header-main {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1 1 auto;
}

.forum-logo-placeholder {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--caverne-ice), var(--caverne-accent));
  border-radius: 50%;
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: var(--caverne-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.forum-title {
  font-size: 2rem;
  font-weight: 800;
  margin: 0;
  text-shadow: 0 0 15px rgba(0, 255, 255, 0.6);
  letter-spacing: 1.5px;
  position: relative;
}

.forum-title::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--caverne-highlight);
  box-shadow: 0 0 8px rgba(0, 255, 255, 0.5);
}

/* Slogan phpBB */
.page-title {
  font-size: 1rem;
  color: var(--caverne-text-muted);
  margin: 0;
  text-shadow: 0 0 8px rgba(0, 255, 255, 0.3);
  flex: 1 1 auto;
  text-align: center;
}

/* Navigation */
.caverne-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0.8rem;
}

.caverne-nav a {
  color: var(--caverne-text);
  text-decoration: none;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.caverne-nav a:hover,
.caverne-nav a:focus {
  color: var(--caverne-highlight);
  background: rgba(42, 74, 122, 0.4);
  box-shadow: 0 0 12px rgba(0, 255, 255, 0.3);
  transform: translateY(-1px);
}

/* Effet de bordure lumineuse sur les liens */
.caverne-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--caverne-highlight);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateX(-50%);
}

.caverne-nav a:hover::after,
.caverne-nav a:focus::after {
  width: 80%;
}

/* Conteneur principal du forum */
.forum-container {
  background: rgba(20, 33, 61, 0.7);
  backdrop-filter: blur(5px);
  border-radius: 8px;
  box-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.5),
    inset 0 0 20px rgba(42, 74, 122, 0.2);
  border: 1px solid var(--caverne-border);
  margin: 1rem auto;
  padding: 1.5rem;
}

/* Nouveau style pour les panneaux de catégories */
.caverne-forum-container {
  background: rgba(20, 33, 61, 0.7);
  backdrop-filter: blur(5px);
  border-radius: 8px;
  box-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.5),
    inset 0 0 20px rgba(42, 74, 122, 0.2);
  border: 1px solid var(--caverne-border);
  margin: 1rem auto;
  padding: 1.5rem;
}

.category-panel {
  background: rgba(30, 48, 95, 0.6);
  backdrop-filter: blur(5px);
  border-radius: 8px;
  box-shadow: 
    0 4px 15px rgba(0, 0, 0, 0.3),
    inset 0 0 10px rgba(42, 74, 122, 0.2);
  border: 1px solid var(--caverne-border);
  margin-bottom: 1rem;
  padding: 1.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-panel:hover {
  box-shadow: 
    0 6px 20px rgba(0, 0, 0, 0.4),
    inset 0 0 15px rgba(42, 74, 122, 0.3);
  border-color: var(--caverne-ice-bright);
  transform: translateY(-2px);
}

.category-title {
  font-size: 1.5rem;
  color: var(--caverne-highlight);
  margin: 0 0 1rem 0;
  text-shadow: 0 0 8px rgba(0, 255, 255, 0.4);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.category-description {
  color: var(--caverne-text-muted);
  margin-bottom: 1.5rem;
  font-size: 1rem;
  line-height: 1.6;
}

.subcategory-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

/* Styles améliorés pour les forums et sous-forums */
.forum-row,
.subforum-row {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 1.2rem;
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
}

.forum-row:hover,
.subforum-row:hover {
  background: rgba(42, 74, 122, 0.3);
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
  transform: translateY(-2px);
  border-color: var(--caverne-ice-bright);
}

.forum-row::before,
.subforum-row::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--caverne-highlight);
  opacity: 0.5;
}

/* Style pour les forums principaux */
.forum-row::before {
  background: linear-gradient(to bottom, var(--caverne-highlight), var(--caverne-accent));
  opacity: 0.7;
}

/* Style pour les sous-forums */
.subforum-row::before {
  background: var(--caverne-ice-bright);
  opacity: 0.5;
}

.forum-icon,
.subforum-icon {
  min-width: 50px;
  height: 50px;
  background: rgba(0, 191, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
  color: var(--caverne-highlight);
  font-size: 1.2rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.forum-row:hover .forum-icon,
.subforum-row:hover .subforum-icon {
  transform: scale(1.1);
  box-shadow: 0 0 10px rgba(0, 255, 255, 0.4);
}

.forum-info,
.subforum-info {
  flex: 1;
}

.forum-title,
.subforum-title {
  font-size: 1.2rem;
  margin: 0 0 0.6rem 0;
  color: var(--caverne-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.forum-title a,
.subforum-title a {
  color: var(--caverne-text);
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.forum-title a:hover,
.subforum-title a:hover {
  color: var(--caverne-highlight);
  text-shadow: 0 0 8px rgba(0, 255, 255, 0.4);
}

.forum-title a::after,
.subforum-title a::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--caverne-highlight);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.forum-title a:hover::after,
.subforum-title a:hover::after {
  width: 100%;
}

.forum-description,
.subforum-description {
  color: var(--caverne-text-muted);
  font-size: 0.95rem;
  margin: 0 0 0.8rem 0;
  line-height: 1.5;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.forum-row:hover .forum-description,
.subforum-row:hover .subforum-description {
  color: var(--caverne-text);
}

.forum-stats,
.subforum-stats {
  display: flex;
  gap: 1.2rem;
  font-size: 0.9rem;
  color: var(--caverne-text-muted);
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.forum-stats span,
.subforum-stats span {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.forum-stats span::before,
.subforum-stats span::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--caverne-highlight);
  opacity: 0.7;
}

/* Amélioration de l'aspect des forums principaux */
.forum-row {
  background: rgba(255, 255, 255, 0.03);
  border-left: 4px solid var(--caverne-highlight);
}

.forum-row:hover {
  background: rgba(42, 74, 122, 0.3);
  border-left-color: var(--caverne-accent);
}

/* Amélioration de l'aspect des sous-forums */
.subforum-row {
  background: rgba(255, 255, 255, 0.02);
  border-left: 4px solid var(--caverne-ice-bright);
}

.subforum-row:hover {
  background: rgba(30, 48, 95, 0.4);
  border-left-color: var(--caverne-highlight);
}

/* Nouveau style pour la liste des sujets */
.topic-container {
  background: rgba(20, 33, 61, 0.7);
  backdrop-filter: blur(5px);
  border-radius: 8px;
  box-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.5),
    inset 0 0 20px rgba(42, 74, 122, 0.2);
  border: 1px solid var(--caverne-border);
  margin: 1rem auto;
  padding: 1.5rem;
}

.topic-row {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 1.2rem;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 0.8rem;
  position: relative;
  overflow: hidden;
}

.topic-row:hover {
  background: rgba(42, 74, 122, 0.3);
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
  transform: translateY(-2px);
  border-color: var(--caverne-ice-bright);
}

/* Différenciation des types de sujets */
.topic-row.normal {
  border-left: 4px solid var(--caverne-ice-bright);
}

.topic-row.new {
  border-left: 4px solid var(--caverne-highlight);
  background: rgba(0, 255, 255, 0.05);
}

.topic-row.popular {
  border-left: 4px solid var(--caverne-accent);
  background: rgba(0, 191, 255, 0.05);
}

.topic-row.announcement {
  border-left: 4px solid var(--caverne-warning);
  background: rgba(255, 153, 0, 0.05);
}

.topic-row.sticky {
  border-left: 4px solid var(--caverne-highlight);
  background: rgba(0, 255, 255, 0.05);
}

.topic-row.locked {
  border-left: 4px solid var(--caverne-text-muted);
  background: rgba(160, 184, 214, 0.05);
}

.topic-row.moved {
  border-left: 4px solid var(--caverne-text-muted);
  background: rgba(160, 184, 214, 0.05);
}

/* Icône du sujet */
.topic-icon {
  min-width: 40px;
  height: 40px;
  background: rgba(0, 191, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
  color: var(--caverne-highlight);
  font-size: 1.2rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.topic-row:hover .topic-icon {
  transform: scale(1.1);
  box-shadow: 0 0 10px rgba(0, 255, 255, 0.4);
}

/* Informations du sujet */
.topic-info {
  flex: 1;
}

.topic-title {
  font-size: 1.2rem;
  margin: 0 0 0.6rem 0;
  color: var(--caverne-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.topic-title a {
  color: var(--caverne-text);
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.topic-title a:hover {
  color: var(--caverne-highlight);
  text-shadow: 0 0 8px rgba(0, 255, 255, 0.4);
}

.topic-title a::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--caverne-highlight);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.topic-title a:hover::after {
  width: 100%;
}

.topic-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--caverne-text-muted);
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.topic-meta span {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* Statistiques du sujet */
.topic-stats {
  display: flex;
  gap: 1.2rem;
  font-size: 0.9rem;
  color: var(--caverne-text-muted);
  margin-right: 1rem;
  flex-wrap: wrap;
}

.topic-stats span {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* Dernier message */
.topic-last-post {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
  min-width: 120px;
}

.last-post-time {
  font-size: 0.85rem;
  color: var(--caverne-text-muted);
  margin-bottom: 0.3rem;
}

.last-post-author {
  font-size: 0.85rem;
  color: var(--caverne-highlight);
}

/* Pagination */
.pagination-container {
  text-align: center;
  margin: 1.5rem 0;
}

.pagination {
  display: inline-flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 0.3rem;
  flex-wrap: wrap;
  justify-content: center;
}

.pagination li {
  display: inline-block;
}

.pagination a {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--caverne-text);
  text-decoration: none;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.pagination a:hover,
.pagination .active {
  background: rgba(42, 74, 122, 0.4);
  color: var(--caverne-highlight);
  box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
  transform: translateY(-1px);
}

/* Nouveau style pour les messages */
.post-row {
  background: rgba(20, 33, 61, 0.7);
  backdrop-filter: blur(5px);
  border-radius: 8px;
  box-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.5),
    inset 0 0 20px rgba(42, 74, 122, 0.2);
  border: 1px solid var(--caverne-border);
  margin-bottom: 1rem;
  padding: 1.5rem;
  display: flex;
  gap: 1.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.post-row:hover {
  box-shadow: 
    0 66px 25px rgba(0, 0, 0, 0.6),
    inset 0 0 25px rgba(42, 74, 122, 0.3);
  border-color: var(--caverne-ice-bright);
  transform: translateY(-2px);
}

/* Profil de l'utilisateur */
.post-profile {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  min-width: 150px;
}

.post-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--caverne-border);
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.post-avatar img {
  max-width: 100%;
  max-height: 100%;
  border-radius: 50%;
}

.post-avatar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  box-shadow: inset 0 0 15px rgba(0, 255, 255, 0.3);
  pointer-events: none;
}

.post-user-info {
  text-align: center;
  width: 100%;
}

.post-username {
  font-size: 1.1rem;
  margin: 0 0 0.5rem 0;
  color: var(--caverne-highlight);
  text-shadow: 0 0 8px rgba(0, 255, 255, 0.4);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.post-username a {
  color: inherit;
  text-decoration: none;
}

.post-username a:hover {
  color: var(--caverne-accent);
  text-shadow: 0 0 12px rgba(0, 255, 255, 0.6);
}

.post-user-rank {
  font-size: 0.9rem;
  color: var(--caverne-text-muted);
  margin-bottom: 0.5rem;
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-shadow: 0 0 5px rgba(0, 255, 255, 0.3);
}

.post-user-stats {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.85rem;
  color: var(--caverne-text-muted);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.post-user-stats span {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
}

/* Contenu du message */
.post-content {
  flex: 1;
  min-width: 0;
}

.post-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--caverne-border);
}

.post-date {
  font-size: 0.9rem;
  color: var(--caverne-text-muted);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.post-options {
  display: flex;
  gap: 0.5rem;
}

.post-options a {
  color: var(--caverne-text-muted);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.post-options a:hover {
  color: var(--caverne-highlight);
  background: rgba(42, 74, 122, 0.3);
  box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
  transform: scale(1.1);
}

.post-options a:focus {
  outline: 2px solid var(--caverne-highlight);
  outline-offset: 2px;
  transform: scale(1.1);
}

.post-message {
  margin-bottom: 1.5rem;
  line-height: 1.6;
  color: var(--caverne-text);
  font-size: 1rem;
}

.post-message p {
  margin: 0 0 1rem 0;
}

.post-message a {
  color: var(--caverne-highlight);
  text-decoration: none;
}

.post-message a:hover {
  text-decoration: underline;
  text-shadow: 0 0 8px rgba(0, 255, 255, 0.4);
}

/* Citations */
.post-message blockquote {
  border-left: 3px solid var(--caverne-highlight);
  padding: 0.8rem 1rem;
  margin: 1rem 0;
  background: rgba(0, 255, 255, 0.05);
  border-radius: 0 4px 4px 0;
  font-style: italic;
}

.post-message blockquote cite {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--caverne-highlight);
  font-weight: bold;
  font-style: normal;
}

/* Code */
.post-message pre {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--caverne-border);
  border-radius: 4px;
  padding: 1rem;
  overflow: auto;
  margin: 1rem 0;
}

.post-message code {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--caverne-border);
  border-radius: 4px;
  padding: 0.2rem 0.4rem;
  font-family: 'Courier New', monospace;
}

/* Signatures */
.post-signature {
  border-top: 1px solid var(--caverne-border);
  padding-top: 1rem;
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--caverne-text-muted);
}

.post-signature hr {
  border: none;
  height: 1px;
  background: var(--caverne-border);
  margin: 0.5rem 0;
}

/* Pièces jointes */
.post-attachments {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--caverne-border);
}

.post-attachments h5 {
  color: var(--caverne-highlight);
  margin-bottom: 0.8rem;
  font-size: 1rem;
}

.post-attachments p {
  margin: 0.3rem 0;
  font-size: 0.9rem;
}

/* Boutons principaux */
.button,
.post-buttons button,
.navbar-link,
.topic-title a {
  position: relative;
  overflow: hidden;
  display: inline-block;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--caverne-border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--caverne-text);
  cursor: pointer;
  text-align: center;
  min-width: 100px;
}

.button:hover,
.post-buttons button:hover,
.navbar-link:hover,
.topic-title a:hover {
  background: rgba(42, 74, 122, 0.4);
  color: var(--caverne-highlight);
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
  transform: translateY(-1px);
}

.button:focus,
.post-buttons button:focus,
.navbar-link:focus,
.topic-title a:focus {
  outline: 2px solid var(--caverne-highlight);
  outline-offset: 2px;
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
  transform: translateY(-1px);
}

/* Boutons spécifiques */
.button--primary,
.post-buttons button[type="submit"],
.button--success {
  background: linear-gradient(135deg, var(--caverne-ice), var(--caverne-accent));
  border: 1px solid var(--caverne-highlight);
  color: var(--caverne-text);
  box-shadow: 0 4px 10px rgba(0, 191, 255, 0.3);
}

.button--primary:hover,
.post-buttons button[type="submit"]:hover,
.button--success:hover {
  background: linear-gradient(135deg, var(--caverne-accent), var(--caverne-ice));
  box-shadow: 0 6px 15px rgba(0, 255, 255, 0.4);
  color: var(--caverne-text);
  transform: translateY(-1px);
}

.button--primary:focus,
.post-buttons button[type="submit"]:focus,
.button--success:focus {
  outline: 2px solid var(--caverne-highlight);
  outline-offset: 2px;
  box-shadow: 0 6px 15px rgba(0, 255, 255, 0.4);
  transform: translateY(-1px);
}

/* Boutons secondaires */
.button--secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--caverne-border);
  color: var(--caverne-text);
}

.button--secondary:hover {
  background: rgba(42, 74, 122, 0.4);
  color: var(--caverne-highlight);
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
  transform: translateY(-1px);
}

.button--secondary:focus {
  outline: 2px solid var(--caverne-highlight);
  outline-offset: 2px;
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
  transform: translateY(-1px);
}

/* Boutons danger */
.button--danger {
  background: rgba(255, 68, 68, 0.1);
  border: 1px solid var(--caverne-danger);
  color: var(--caverne-danger);
}

.button--danger:hover {
  background: rgba(255, 68, 68, 0.2);
  box-shadow: 0 0 15px rgba(255, 68, 68, 0.3);
  color: #ff9999;
  transform: translateY(-1px);
}

.button--danger:focus {
  outline: 2px solid var(--caverne-danger);
  outline-offset: 2px;
  box-shadow: 0 0 15px rgba(255, 68, 68, 0.3);
  transform: translateY(-1px);
}

/* Boutons avec icônes */
.button i,
.post-buttons button i {
  margin-right: 0.5rem;
  vertical-align: middle;
}

/* Champs de formulaire */
.inputbox,
.inputbox:focus,
.inputbox:hover {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--caverne-border);
  border-radius: 6px;
  padding: 0.6rem 1rem;
  color: var(--caverne-text);
  font-size: 1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  width: 100%;
  box-sizing: border-box;
}

.inputbox:focus {
  border-color: var(--caverne-highlight);
  box-shadow: 0 0 8px rgba(0, 255, 255, 0.3);
  outline: none;
  transform: translateY(-1px);
}

.inputbox::placeholder {
  color: var(--caverne-text-muted);
  opacity: 0.7;
}

/* Textarea */
.textarea {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--caverne-border);
  border-radius: 6px;
  padding: 1rem;
  color: var(--caverne-text);
  font-size: 1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  width: 100%;
  box-sizing: border-box;
  min-height: 120px;
}

.textarea:focus {
  border-color: var(--caverne-highlight);
  box-shadow: 0 0 8px rgba(0, 255, 255, 0.3);
  outline: none;
  transform: translateY(-1px);
}

/* Listes déroulantes */
.selectbox,
.selectbox:focus {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--caverne-border);
  border-radius: 6px;
  padding: 0.6rem 1rem;
  color: var(--caverne-text);
  font-size: 1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  width: 100%;
  box-sizing: border-box;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300ffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.7rem center;
  background-size: 1em;
}

.selectbox:focus {
  border-color: var(--caverne-highlight);
  box-shadow: 0 0 8px rgba(0, 255, 255, 0.3);
  outline: none;
  transform: translateY(-1px);
}

/* Cases à cocher et boutons radio */
.checkbox,
.radio {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  margin-right: 1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.checkbox input[type="checkbox"],
.radio input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--caverne-highlight);
  cursor: pointer;
}

.checkbox input[type="checkbox"]:focus,
.radio input[type="radio"]:focus {
  outline: 2px solid var(--caverne-highlight);
  outline-offset: 2px;
  transform: scale(1.1);
}

/* Erreurs de formulaire */
.error {
  color: var(--caverne-danger);
  background: rgba(255, 68, 68, 0.1);
  border: 1px solid var(--caverne-danger);
  border-radius: 6px;
  padding: 0.8rem;
  margin: 0.5rem 0;
}

.error::before {
  content: "⚠ ";
}

/* Nouveau style pour les statistiques */
.stats-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

.stat-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--caverne-border);
  box-shadow: 
    0 4px 10px rgba(0, 0, 0, 0.2),
    inset 0 0 10px rgba(42, 74, 122, 0.1);
}

.stat-card:hover {
  background: rgba(42, 74, 122, 0.3);
  box-shadow: 
    0 6px 15px rgba(0, 0, 0, 0.3),
    inset 0 0 15px rgba(42, 74, 122, 0.2);
  transform: translateY(-3px);
  border-color: var(--caverne-ice-bright);
}

.stat-icon {
  font-size: 2rem;
  color: var(--caverne-highlight);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--caverne-text);
  margin-bottom: 0.5rem;
  text-shadow: 0 0 10px rgba(0, 255, 255, 0.4);
}

.stat-label {
  font-size: 1rem;
  color: var(--caverne-text-muted);
  margin: 0;
}

/* Liste des anniversaires */
.birthday-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.birthday-list li {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  padding: 0.8rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--caverne-border);
}

.birthday-list li:hover {
  background: rgba(42, 74, 122, 0.3);
  box-shadow: 0 0 10px rgba(0, 255, 255, 0.2);
  border-color: var(--caverne-ice-bright);
  transform: translateY(-1px);
}

/* Derniers sujets visités */
.last-visited-list {
  margin-top: 1rem;
}

.last-visited-list li {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  padding: 1rem;
  margin-bottom: 0.8rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--caverne-border);
}

.last-visited-list li:hover {
  background: rgba(42, 74, 122, 0.3);
  box-shadow: 0 0 10px rgba(0, 255, 255, 0.2);
  border-color: var(--caverne-ice-bright);
  transform: translateY(-1px);
}

.topic-meta {
  display: block;
  font-size: 0.85rem;
  color: var(--caverne-text-muted);
  margin-top: 0.5rem;
}

/* Nouveau style pour le footer */
.caverne-footer {
  background: rgba(20, 33, 61, 0.9);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--caverne-border);
  box-shadow: 0 -4px 25px rgba(0, 0, 0, 0.4);
  margin-top: 2rem;
  padding: 1.5rem 0;
  position: relative;
  z-index: 100;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.footer-container a {
  color: var(--caverne-text-muted);
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.footer-container a:hover {
  color: var(--caverne-highlight);
  background: rgba(0, 255, 255, 0.1);
  box-shadow: 0 0 8px rgba(0, 255, 255, 0.3);
  transform: translateY(-1px);
}

.footer-container a:focus {
  outline: 2px solid var(--caverne-highlight);
  outline-offset: 2px;
  box-shadow: 0 0 8px rgba(0, 255, 255, 0.3);
  transform: translateY(-1px);
}

.copyright {
  font-size: 0.9rem;
  color: var(--caverne-text-muted);
  margin: 0;
  padding: 0.5rem 0;
  border-top: 1px solid var(--caverne-border);
  width: 100%;
}

.phpbb-credits {
  font-size: 0.8rem;
  color: var(--caverne-text-muted);
  margin: 0;
  padding: 0.5rem 0;
  border-top: 1px solid var(--caverne-border);
  width: 100%;
}

/* Titres et en-têtes */
h1, h2, h3, h4, h5, h6 {
  text-shadow: 0 0 8px rgba(0, 255, 255, 0.3);
}

/* Liens */
a:link,
a:visited {
  color: var(--caverne-highlight);
  text-decoration: none;
  position: relative;
}

a:hover,
a:focus {
  color: var(--caverne-accent);
  text-decoration: underline;
}

/* Sous-ligne des liens */
a:hover::after,
a:focus::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--caverne-highlight);
  box-shadow: 0 0 5px rgba(0, 255, 255, 0.5);
}

/* Sélection de texte */
::selection {
  background-color: var(--caverne-ice-bright);
  color: var(--caverne-text);
}

/* Scrollbar personnalisée */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--caverne-surface);
}

::-webkit-scrollbar-thumb {
  background: var(--caverne-ice);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--caverne-accent);
}

/* Focus clavier visible */
a:focus,
input:focus,
button:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--caverne-highlight);
  outline-offset: 2px;
}

/* Transitions légères */
* {
  transition: background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
              color 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
              border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Préférences réduction des animations */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}

/* Effets de profondeur pour les éléments interactifs */
.button,
.post-buttons button,
.navbar-link,
.topic-title a {
  position: relative;
  overflow: hidden;
}

.button::before,
.post-buttons button::before,
.navbar-link::before,
.topic-title a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.1), transparent);
  transition: left 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.button:hover::before,
.post-buttons button:hover::before,
.navbar-link:hover::before,
.topic-title a:hover::before {
  left: 100%;
}

/* Effet de lueur subtil sur les éléments importants */
.highlight-element {
  box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
  transition: box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.highlight-element:hover {
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

/* Navigation principale améliorée */
.navbar {
  background: rgba(20, 33, 61, 0.85);
  backdrop-filter: blur(10px);
  border-radius: 8px;
  padding: 0.5rem 1rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--caverne-border);
  margin: 0.5rem 0;
}

.navbar ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0.8rem;
}

.navbar a {
  color: var(--caverne-text);
  text-decoration: none;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.navbar a:hover,
.navbar a:focus {
  color: var(--caverne-highlight);
  background: rgba(42, 74, 122, 0.4);
  box-shadow: 0 0 12px rgba(0, 255, 255, 0.3);
  transform: translateY(-1px);
}

/* Effet de bordure lumineuse sur les liens de navigation */
.navbar a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--caverne-highlight);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateX(-50%);
}

.navbar a:hover::after,
.navbar a:focus::after {
  width: 80%;
}

/* Améliorations des bordures */
.forum-logo-placeholder,
.button,
.inputbox,
.textarea,
.selectbox,
.checkbox,
.radio,
.navbar a {
  border-radius: 6px;
}

/* Harmonisation des ombres et profondeur */
.caverne-header,
.forum-container,
.caverne-forum-container,
.category-panel,
.forum-row,
.subforum-row,
.topic-row,
.post-row,
.stat-card,
.birthday-list li,
.last-visited-list li {
  box-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.5),
    inset 0 0 20px rgba(42, 74, 122, 0.2);
}

/* Effets de profondeur sur les éléments */
.forum-row:hover,
.subforum-row:hover,
.topic-row:hover,
.stat-card:hover,
.birthday-list li:hover,
.last-visited-list li:hover,
.post-row:hover,
.category-panel:hover {
  box-shadow: 
    0 6px 20px rgba(0, 0, 0, 0.4),
    inset 0 0 15px rgba(42, 74, 122, 0.3);
}

/* Effets de bordure sur les éléments interactifs */
.button:hover,
.navbar a:hover,
.inputbox:focus,
.textarea:focus,
.selectbox:focus {
  border-color: var(--caverne-ice-bright);
}