@import url("https://fonts.googleapis.com/css2?family=Playfair+Display:wght@800&family=Inter:wght@400;500;700&display=swap");

:root {
  /* -- Couleurs -- */
  --color-background: #ffffff;
  --color-text: #111111;
  --color-text-subtle: #888888;
  --color-border: #e5e5e5;
  --color-accent: #111111;
  --color-accent-text: #ffffff;

  /* -- Typographie (statique) -- */
  --font-serif: "Playfair Display", serif;
  --font-sans: "Inter", sans-serif;
}

/* --- Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--color-background);
  font-family: var(--font-sans);
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Application du centrage global puisque le DOM n'a pas de wrapper .page-container */
body > header,
body > main,
body > footer,
.breadcrumb-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 32px;
  padding-right: 32px;
}

/* Gestion spécifique des éléments hors-flux ou breadcrumbs isolés */
.breadcrumb-item, 
.breadcrumb-separator {
    display: inline-block;
    color: var(--color-text-subtle);
    font-size: 0.9rem;
    margin-bottom: 32px;
}

/* Si les breadcrumbs sont des enfants directs du body, on les aligne */
body > .breadcrumb-item:first-of-type {
    margin-left: max(32px, calc((100% - 1200px) / 2 + 32px));
}

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

a:hover {
    color: var(--color-text-subtle);
}

/* --- Animation de Révélation (JS) --- */
.reveal-mask {
  overflow: hidden;
  padding: 2px 0;
}
.reveal-content {
  transform: translateY(100%);
  transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-content.is-visible {
  transform: translateY(0);
}

/* --- Header & Footer --- */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  padding-bottom: 24px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--color-border);
}

.logo-link {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo {
  height: 40px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-link {
  font-weight: 500;
  position: relative;
  font-size: 0.95rem;
}
.nav-link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-text);
  transition: width 0.3s ease;
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-button {
  background-color: var(--color-accent);
  color: var(--color-accent-text);
  border: 1px solid var(--color-accent);
  padding: 8px 20px;
  border-radius: 4px;
  font-weight: 500;
  font-size: 0.9rem;
  transition: background-color 0.3s, color 0.3s;
}
.nav-button:hover {
  background-color: transparent;
  color: var(--color-accent);
}

.site-footer {
  margin-top: auto; /* Footer sticky en bas si page courte */
  padding-top: 48px;
  padding-bottom: 48px;
  border-top: 1px solid var(--color-border);
  font-size: 0.9rem;
  color: var(--color-text-subtle);
  text-align: center;
}

/* --- Structure Home & Rubriques --- */
.hero-title {
  margin-top: 32px;
  margin-bottom: 48px;
}
.hero-title h1 {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  line-height: 1.1;
  max-width: 90%;
  letter-spacing: -0.02em;
}

.hero-banner {
  margin-bottom: 80px;
  border-radius: 8px;
  overflow: hidden;
}
.banner-image {
  width: 100%;
  height: auto;
  display: block;
  background-color: var(--color-border); /* Placeholder si image vide */
  min-height: 200px;
  object-fit: cover;
}

/* --- Forum Layout (Grid System) --- */
.forum-section {
    margin-bottom: 80px;
}

.forum-header {
    font-family: var(--font-serif);
    font-size: 2rem;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--color-border);
    display: inline-block;
    width: 100%;
}

/* Grille principale des topics */
.forum-item {
    display: grid;
    /* Avatar | Sujet | Auteur | Messages | Date */
    grid-template-columns: 60px 1fr 150px 100px 220px; 
    gap: 20px;
    align-items: center;
    padding: 24px 16px;
    border-bottom: 1px solid var(--color-border);
    transition: background-color 0.2s ease;
}

.forum-item:hover {
    background-color: rgba(128, 128, 128, 0.03); /* Très léger highlight */
}

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

.forum-subject {
    font-weight: 700;
    font-size: 1.1rem;
    line-height: 1.4;
    color: var(--color-text);
}
.forum-subject:hover {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.forum-author,
.forum-messages,
.forum-last-message {
    font-size: 0.85rem;
    color: var(--color-text-subtle);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

.forum-messages {
    text-align: center;
    background: var(--color-border);
    padding: 4px 8px;
    border-radius: 12px;
    color: var(--color-text);
    font-size: 0.75rem;
    font-weight: 600;
    width: fit-content;
    margin: 0 auto;
}

.forum-last-message {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* --- Page Thread (Sujet) --- */
.post-list {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.post-item {
    position: relative;
    padding-left: 24px;
    border-left: 2px solid var(--color-border);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  font-size: 0.9rem;
  color: var(--color-text-subtle);
}

.post-meta .author-link {
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 12px;
}

.post-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.post-content {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text);
}

.post-content p {
  margin-bottom: 1.5em;
}

.post-content iframe {
    max-width: 100%;
    border-radius: 8px;
    margin: 24px 0;
}

/* --- Page User Profile --- */
.profile-header {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-bottom: 24px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--color-border);
}

.profile-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--color-background);
    box-shadow: 0 0 0 1px var(--color-border);
}

.profile-header .hero-title {
    margin: 0; /* Override du margin global hero-title pour le profil */
}
.profile-header .hero-title h1 {
    font-size: 3rem;
}

.profile-meta {
    font-size: 1.1rem;
    color: var(--color-text-subtle);
    margin-bottom: 64px;
    font-family: var(--font-serif);
    font-style: italic;
}

.category-section {
    margin-top: 64px;
}

.category-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    margin-bottom: 32px;
}

/* Liste d'activité dans le profil */
.thread-list > h4 {
    margin-top: 48px;
    margin-bottom: 24px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-subtle);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 8px;
}

/* Ciblage des items d'activité (divs directs) */
.thread-list > div {
    padding: 24px;
    background-color: rgba(128, 128, 128, 0.03);
    border-radius: 8px;
    margin-bottom: 16px;
    transition: transform 0.2s ease;
}

.thread-list > div:hover {
    transform: translateX(8px);
    background-color: rgba(128, 128, 128, 0.06);
}

.comment-date {
    font-size: 0.8rem;
    color: var(--color-text-subtle);
    margin-bottom: 8px;
}

.comment-thread-title {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.comment-thread-title a {
    color: var(--color-text);
    border-bottom: 1px solid transparent;
}
.comment-thread-title a:hover {
    border-bottom-color: var(--color-text);
}

.comment {
    font-size: 0.95rem;
    color: var(--color-text-subtle);
    font-style: italic;
    padding-left: 16px;
    border-left: 2px solid var(--color-accent);
}

/* --- Responsive Design --- */
@media (max-width: 900px) {
    .forum-item {
        grid-template-columns: 48px 1fr;
        grid-template-areas: 
            "avatar subject"
            "avatar meta";
        gap: 8px 16px;
    }

    .forum-avatar { grid-area: avatar; }
    .forum-subject { grid-area: subject; }
    
    .forum-author, .forum-messages, .forum-last-message {
        grid-area: meta;
        font-size: 0.8rem;
        display: inline-block;
        margin-right: 12px;
    }
    
    /* On cache le dernier message sur mobile pour alléger */
    .forum-last-message { display: none; }
}

@media (max-width: 768px) {
    .hero-title h1 { font-size: 2.5rem; }
    
    .site-header { flex-direction: column; align-items: flex-start; gap: 24px; }
    .main-nav { flex-wrap: wrap; gap: 16px; }
    
    .profile-header { flex-direction: column; align-items: flex-start; gap: 16px; }
    .profile-avatar { width: 80px; height: 80px; }
}