* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Couleurs */
    --color-primary: #6A82D2;
    --color-secondary: #C97B9B;
    --color-background: #F5F5F5;
    --color-text: #292929;
    --color-border: #B8A8C0;
    --color-muted: #909090;

    /* Typographie */
    --font-family-primary: 'Arial', sans-serif;
    /* Police par défaut */
    --font-size-base: 16px;
    --font-size-large: 20px;
    --font-size-small: 14px;
    --font-weight-normal: 400;
    --font-weight-bold: 700;

    /* Espacements */
    --spacing-small: 8px;
    --spacing-medium: 16px;
    --spacing-large: 24px;
    --spacing-xlarge: 32px;

    /* Bordures */
    --border-radius: 8px;

    /* Avatar */
    --avatar-size: 40px;

    /* Logo */
    --avatar-logo: 100px;
}

/* Général */
body {
    margin: 0;
    font-family: var(--font-family-primary);
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.5;
}

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

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

/* --- Header --- */
header.forum-header {
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-medium);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-small);
}

.logo-picture {
    width: auto;
    height: 50px; /* Ajustement pour que le logo ne casse pas le header */
    object-fit: contain;
}

.header-nav .nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-medium);
}

.header-nav .nav-link {
    color: white;
    text-decoration: none;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-small);
}

.header-nav .nav-link:hover {
    opacity: 0.8;
}

/* Banner Image under Header */
.header-text {
    width: 100%;
    background-color: #f0f0f0;
    text-align: center;
}

.header-text img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    max-height: 200px;
    object-fit: cover;
}

/* --- Fil d'Ariane (Breadcrumb) --- */
.breadcrumb {
    background-color: var(--color-secondary);
    padding: var(--spacing-small) var(--spacing-medium);
    font-size: var(--font-size-small);
    color: white;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-small);
}

.breadcrumb-item {
    color: white;
    font-weight: var(--font-weight-bold);
}

.breadcrumb-separator {
    margin: 0 4px;
    opacity: 0.7;
}

/* --- Layout Principal --- */
.forum-main, .thread-main, .profile-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-large);
}

/* --- Home / Categories --- */
.forum-section {
    margin-bottom: var(--spacing-large);
    background: #ffffff;
    border: 1px solid var(--color-border);
    padding: 0; /* Padding géré par les enfants pour coller aux bords */
    border-radius: var(--border-radius);
    overflow: hidden;
}

.forum-section > a {
    text-decoration: none;
    display: block;
    background-color: rgba(0,0,0,0.03);
    padding: var(--spacing-medium);
    border-bottom: 1px solid var(--color-border);
}

.forum-section h2.forum-header {
    margin: 0;
    font-size: var(--font-size-large);
    color: var(--color-primary);
}

/* Liste des items (Sujets) */
.forum-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-medium);
    border-bottom: 1px solid var(--color-border);
    gap: var(--spacing-medium);
    transition: background 0.2s;
}

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

.forum-item:hover {
    background-color: #f9f9f9;
}

/* Avatar dans la liste */
.forum-item .forum-avatar {
    width: var(--avatar-size);
    height: var(--avatar-size);
    border-radius: 50%;
    border: 1px solid var(--color-border);
    object-fit: cover;
    flex-shrink: 0;
}

/* Sujet du forum */
.forum-item .forum-subject {
    flex-grow: 1;
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    font-size: var(--font-size-base);
}

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

/* Métadonnées (Auteur, messages, date) */
.forum-item .forum-author,
.forum-item .forum-messages,
.forum-item .forum-last-message {
    font-size: var(--font-size-small);
    color: var(--color-muted);
    white-space: nowrap;
}

.forum-item .forum-author a {
    color: var(--color-secondary);
    font-weight: var(--font-weight-bold);
}

/* Responsive pour mobile sur les items */
@media (max-width: 768px) {
    .forum-item {
        flex-wrap: wrap;
    }
    .forum-subject {
        width: 100%;
        order: 1;
        margin-bottom: var(--spacing-small);
    }
    .forum-avatar {
        order: 2;
    }
    .forum-author {
        order: 3;
        margin-right: auto;
    }
    .forum-messages, .forum-last-message {
        display: none; /* Simplification sur mobile */
    }
}

/* --- Page Thread (Discussion) --- */
.thread-title {
    font-size: 24px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-medium);
    border-bottom: 2px solid var(--color-border);
    padding-bottom: var(--spacing-small);
}

/* Le premier post est encapsulé dans .thread-description > li.comment */
.thread-description {
    list-style: none;
    margin-bottom: var(--spacing-large);
}

/* Section Commentaires */
.comments-section {
    margin-top: var(--spacing-large);
}

.comments-title {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-medium);
    color: var(--color-secondary);
}

.comments-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Style individuel d'un commentaire */
.comment {
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-medium);
    padding: var(--spacing-medium);
    display: flex;
    flex-direction: column;
}

.comment-body {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-medium);
}

/* Contenu texte du commentaire */
.comment-text {
    flex: 1;
    min-width: 0; /* Empêche le débordement sur flex items */
}

.comment-content {
    margin-bottom: var(--spacing-medium);
    color: var(--color-text);
    line-height: 1.6;
}

/* Gestion des iframes (Vidéos Youtube) */
.comment-content iframe {
    max-width: 100%;
    border-radius: var(--border-radius);
    margin: var(--spacing-small) 0;
}

/* Meta du commentaire (Auteur, date) */
.comment-meta {
    font-size: var(--font-size-small);
    color: var(--color-muted);
    border-top: 1px solid #eee;
    padding-top: var(--spacing-small);
}

.comment-author {
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

/* Avatar dans le commentaire */
.comment-avatar {
    flex-shrink: 0;
}

.user-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    object-fit: cover;
}

.add-comment-button {
    background-color: var(--color-primary);
    color: white;
    border: none;
    padding: var(--spacing-medium) var(--spacing-large);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    display: block;
    margin-top: var(--spacing-large);
    width: 100%;
    max-width: 300px;
}

.add-comment-button:hover {
    background-color: var(--color-secondary);
}

/* --- Page User Profile --- */
.user-profile {
    background: #fff;
    padding: var(--spacing-large);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    text-align: center;
    margin-bottom: var(--spacing-large);
}

.profile-title {
    color: var(--color-primary);
    margin-bottom: var(--spacing-medium);
}

.profile-summary {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-small);
}

.user-avatar-large {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 4px solid var(--color-secondary);
    object-fit: cover;
    margin: var(--spacing-medium) 0;
}

/* Activité Récente */
.activity-title, .stats-title {
    font-size: var(--font-size-large);
    color: var(--color-primary);
    margin-bottom: var(--spacing-medium);
    border-bottom: 2px solid var(--color-border);
    padding-bottom: var(--spacing-small);
}

.activity-list {
    list-style: none;
}

.activity-item {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-medium);
    margin-bottom: var(--spacing-medium);
}

.activity-meta {
    display: block;
    margin-bottom: var(--spacing-small);
    color: var(--color-muted);
}

/* Correction pour les divs imbriquées dans l'activité */
.activity-item > div {
    padding: var(--spacing-small);
    border-left: 3px solid var(--color-secondary);
    background-color: #fcfcfc;
    margin-bottom: var(--spacing-small);
}

.comment-date {
    font-size: 12px;
    color: var(--color-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
}

.comment-thread-title a {
    font-weight: bold;
    color: var(--color-text);
}
.comment-thread-title a:hover {
    color: var(--color-primary);
}

/* Statistiques */
.stats-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-medium);
}

.stats-item {
    background: #fff;
    padding: var(--spacing-medium);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    text-align: center;
    font-size: var(--font-size-base);
}

.stats-item strong {
    display: block;
    color: var(--color-primary);
    margin-bottom: var(--spacing-small);
}

/* --- Footer --- */
footer.forum-footer {
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    color: white;
    padding: var(--spacing-xlarge) var(--spacing-large);
    margin-top: var(--spacing-xlarge);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-medium);
}

.footer-text {
    font-size: var(--font-size-small);
    opacity: 0.9;
}

.footer-nav-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    list-style: none;
    gap: var(--spacing-medium);
}

.footer-nav-link, .social-link {
    color: white;
    font-weight: bold;
    font-size: var(--font-size-small);
}

.footer-nav-link:hover, .social-link:hover {
    text-decoration: underline;
}

.footer-social {
    margin-top: var(--spacing-medium);
}