/* --- Importation des Polices --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&family=Chakra+Petch:wght@500;700&display=swap');

/* --- Variables CSS --- */
:root {
    /* Couleurs de Base */
    --color-bg-darkest: #1e1e2f;
    --color-bg-dark: #2a2a40;
    --color-bg-medium: #3c3c5a;
    --color-bg-light: #50507a;
    --color-border: #7a7ab8;
    --color-text-light: #f8f8ff;
    --color-text-medium: #b0b0d0;
    --color-accent: #00ffcc;
    --color-accent-hover: #00e6b8;
    /* Texte posé sur un aplat d'accent (boutons, page courante) et liens posés sur les cartes */
    --color-on-accent: #1e1e2f;
    --color-link-on-card: #00ffcc;

    /* Polices */
    --font-primary: 'Poppins', sans-serif;
    --font-tech: 'Chakra Petch', 'Poppins', sans-serif;
    
    /* Couleurs de Dégradé */
    --color-grad-1: #00ffcc;
    --color-grad-2: #00aaff;
    
    /* Couleurs JavaScript (Particules) */
    --particle-color-rgb: 0, 255, 204; 

    /* === Variables Calculées === */
    --gradient-header-border: linear-gradient(to right, var(--color-grad-1), var(--color-grad-2));
    --gradient-nav-slider: linear-gradient(to right, var(--color-grad-1), var(--color-grad-2));
    --particle-core-color: rgba(var(--particle-color-rgb), 1);
    --particle-halo-color: rgba(var(--particle-color-rgb), 0.2);
    --color-black-alpha-30: rgba(0, 0, 0, 0.3);
    --color-black-alpha-40: rgba(0, 0, 0, 0.4);
    --color-accent-alpha-30: rgba(from var(--color-accent) r g b / 0.3);
    --color-header-bg: rgba(from var(--color-bg-dark) r g b / 0.85);
    --color-section-bg: rgba(from var(--color-bg-medium) r g b / 0.8);
    --color-section-hover-bg: rgba(from var(--color-bg-light) r g b / 0.8);
    --color-footer-bg: rgba(from var(--color-bg-dark) r g b / 0.9);
    --color-form-bg: rgba(from var(--color-bg-medium) r g b / 0.8);
    --transparent: transparent;
}

/* --- Réinitialisation et Styles Globaux --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html { 
    scroll-behavior: smooth; 
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-darkest);
    color: var(--color-text-light);
    line-height: 1.6;
    position: relative;
    min-height: 100vh;
    cursor: none;
}

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

img { 
    max-width: 100%; 
    display: block; 
}
ul { 
    list-style: none; 
}
h1, h2, h3, h4, h5, h6 {
    color: var(--color-text-light);
    font-weight: 600;
    line-height: 1.3;
}

/* --- Fond interactif (Canvas) --- */
#particle-trail-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000; 
    pointer-events: none; 
}


/* --- Conteneur Principal (CSS Grid) --- */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
    position: relative; 
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
}


/* --- Boutons --- */
.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
    text-align: center;
}
.btn:hover { 
    transform: translateY(-2px); 
}
.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-on-accent);
    border-color: var(--color-accent);
}
.btn-primary:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    text-decoration: none;
    color: var(--color-on-accent);
}
.btn-secondary {
    background-color: var(--color-bg-light);
    color: var(--color-text-light);
}
.btn-secondary:hover {
    background-color: var(--color-border);
    text-decoration: none;
    color: var(--color-text-light);
}

/* --- Header --- */
.site-header {
    background-color: var(--color-header-bg); 
    backdrop-filter: blur(10px);
    border-bottom: 2px solid;
    border-image-slice: 1;
    border-image-source: var(--gradient-header-border);
    padding: 0 5%;
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    column-gap: 1.5rem;
    min-height: 65px;
    padding: 0.4rem 0;
}
.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}
.logo {
    height: 35px;
    width: 35px;
    flex-shrink: 0;
    object-fit: contain;
}
.logo-container h1 {
    font-size: 1.5rem;
    margin: 0;
    font-family: var(--font-tech);
    min-width: 0;
    overflow-wrap: anywhere;
}

/* Nav (Slider animé) */
.main-nav ul { 
    display: flex; 
    gap: 1rem; 
}
.main-nav a { 
    color: var(--color-text-medium); 
    font-weight: 600; 
    font-size: 1rem; 
    padding: 1.25rem 1rem; 
    text-decoration: none; 
    position: relative;
    border-bottom: 3px solid var(--transparent); 
    transition: color 0.2s ease;
}
.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px; 
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-nav-slider);
    transform: scaleX(0); 
    transform-origin: center;
    transition: transform 0.3s ease-out;
}
.main-nav a:hover { 
    color: var(--color-text-light); 
    text-decoration: none; 
}
.main-nav a.active { 
    color: var(--color-text-light); 
}
.main-nav a.active::after {
    transform: scaleX(1); 
}
.auth-buttons {
    display: flex;
    gap: 0.75rem;
}
/* Seul le nom du site passe à la ligne quand la place manque : le menu et les boutons gardent leur taille */
.main-nav,
.auth-buttons {
    flex-shrink: 0;
}
.main-nav a {
    white-space: nowrap;
}

/* --- Éléments pleine largeur (Grid) --- */
.breadcrumb-nav,
.banner-main,
.thread-container,
.user-profile-card,
.user-stats,
.pagination,
.category-page-header,
.auth-form-container { 
    grid-column: 1 / -1; 
}


/* --- Fil d'Ariane --- */
.breadcrumb-nav {
    padding-bottom: 0.5rem;
    margin-bottom: 0; 
    border-bottom: 1px solid var(--color-border);
}
.breadcrumb-item { 
    font-size: 0.9rem; 
    color: var(--color-text-medium); 
}
.breadcrumb-item:hover { 
    color: var(--color-text-light); 
}
.breadcrumb-separator {
    margin: 0 0.5rem;
    color: var(--color-text-medium);
}

/* --- Bannière Accueil --- */
.banner-main { 
    margin-bottom: 0; 
} 
.banner-main img {
    width: 100%;
    border-radius: 8px;
    object-fit: cover;
    max-height: 300px;
    border: 1px solid var(--color-border);
}

/* --- Liste des Forums (Accueil) --- */
.forum-section {
    background-color: var(--color-section-bg);
    backdrop-filter: blur(5px);
    border-radius: 8px;
    margin-bottom: 0; 
    overflow: hidden; 
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
}
.category-link {
    text-decoration: none;
    display: block;
    position: relative;
    cursor: pointer;
}
.forum-header {
    background-color: var(--color-bg-light);
    padding: 0.8rem 1.5rem;
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin: 0;
    transition: background-color 0.2s ease;
    position: relative;
    font-family: var(--font-tech);
    letter-spacing: 1px;
}
.category-link:hover .forum-header {
    background-color: var(--color-accent); 
}

/* --- Item de Sujet (Thread) --- */
.forum-item {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--color-border);
    gap: 1rem;
    transition: background-color 0.2s ease;
    position: relative;
}
.forum-item:hover {
    background-color: var(--color-bg-light);
}
.forum-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-border);
    flex-shrink: 0;
}
.forum-item-main { 
    flex: 1; 
    min-width: 0;
}
.forum-subject {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-light);
    display: block;
    cursor: pointer;
    white-space: normal;
    overflow: visible;
	text-overflow: clip;
}
.forum-subject:hover {
    color: var(--color-link-on-card);
    text-decoration: none;
}
.forum-item-meta { 
    font-size: 0.85rem; 
    color: var(--color-text-medium); 
    margin-top: 0.25rem;
}
.forum-author a { 
    color: var(--color-text-medium); 
    font-weight: 500; 
}
.forum-author a:hover {
    color: var(--color-link-on-card); 
}
.forum-messages {
    width: 110px;
    font-size: 0.9rem;
    color: var(--color-text-medium);
    text-align: center;
    flex-shrink: 0;
    margin-left: auto;
}
.forum-last-message {
    width: 150px;
    font-size: 0.9rem;
    color: var(--color-text-medium);
    text-align: right;
    white-space: nowrap;
    flex-shrink: 0;
}

.site-footer {
    position: relative;
    width: 100%;
    z-index: 100;
    pointer-events: none; 
    padding: 1.5rem;
    display: flex;
    justify-content: center;
}
.floating-footer-module {
    display: inline-flex;
    align-items: center;
    gap: 1.5rem;
    background-color: var(--color-footer-bg); 
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: 12px; 
    padding: 0.75rem 1.5rem;
    pointer-events: auto; 
    box-shadow: 0 4px 20px var(--color-black-alpha-40);
}
.footer-links {
    display: flex;
    gap: 1.5rem;
}
.footer-links a { 
    color: var(--color-text-medium); 
    font-size: 0.9rem; 
    font-weight: 500;
}
.footer-links a:hover { 
    color: var(--color-text-light); 
    text-decoration: none; 
}
.copyright { 
    font-size: 0.9rem; 
    color: var(--color-text-medium);
    border-left: 1px solid var(--color-border);
    padding-left: 1.5rem;
}


/* --- Page "Categories" --- */
.category-page-header {
    font-family: var(--font-tech);
    font-size: 1.75rem;
    color: var(--color-text-light);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 0.5rem;
}
.category-overview-block {
    background-color: var(--color-section-bg);
    backdrop-filter: blur(5px);
    border-radius: 8px;
    border: 1px solid var(--color-border);
    padding: 1.5rem;
    transition: all 0.2s ease;
    text-decoration: none;
}
.category-overview-block:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
    background-color: var(--color-section-hover-bg);
}
.category-overview-block h2 {
    font-family: var(--font-tech);
    font-size: 1.25rem;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}
.category-overview-block p {
    font-size: 0.9rem;
    color: var(--color-text-medium);
}

/* --- Page de Catégorie (Pagination) --- */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin: 0; 
}
.page-link, .current-page {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    background-color: var(--color-bg-light);
    color: var(--color-text-light);
    text-decoration: none;
}
.page-link:hover {
    background-color: var(--color-accent);
    color: var(--color-on-accent);
    text-decoration: none;
}
.current-page {
    background-color: var(--color-accent);
    color: var(--color-on-accent);
}

/* --- Page de Sujet (Thread) --- */
.thread-container {
    background-color: var(--color-section-bg);
    backdrop-filter: blur(5px);
    border-radius: 8px;
    border: 1px solid var(--color-border);
    margin-bottom: 0;
}
.thread-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--color-border);
}
.thread-header h1 {
    font-family: var(--font-tech);
    font-size: 2rem;
    margin-bottom: 0.5rem;
    white-space: normal
}
.thread-meta {
    font-size: 0.9rem;
    color: var(--color-text-medium);
}
.thread-meta a {
    color: var(--color-link-on-card);
    font-weight: 600;
}
.thread-post {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--color-border);
}
.thread-post:last-child {
    border-bottom: none;
}
.post-author {
    flex-shrink: 0;
    width: 150px;
    text-align: center;
}
.post-author .forum-avatar {
    width: 80px;
    height: 80px;
    margin: 0 auto 0.75rem;
    border-radius: 8px;
}
.post-author-name {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-text-light);
}
.post-author-job {
    font-size: 0.85rem;
    color: var(--color-text-medium);
}
.post-content {
    flex: 1;
    min-width: 0;
}
.post-header {
    font-size: 0.85rem;
    color: var(--color-text-medium);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed var(--color-border);
}
.post-body {
    font-size: 0.95rem;
    line-height: 1.7;
}
.post-body p {
    margin-bottom: 1rem;
}
.post-body a {
    color: var(--color-link-on-card);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: var(--color-accent-hover);
}
.post-body a:hover {
    background-color: var(--color-accent);
    color: var(--color-on-accent);
    text-decoration: none;
}

/* --- Page de Profil (User) --- */
.user-profile-card {
    background-color: var(--color-section-bg);
    backdrop-filter: blur(5px);
    border-radius: 8px;
    border: 1px solid var(--color-border);
    display: flex;
    gap: 2rem;
    padding: 2rem;
    margin-bottom: 0;
}
.user-avatar-large {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    border: 3px solid var(--color-border);
    flex-shrink: 0;
}
.user-info {
    flex: 1;
}
.user-info h1 {
    font-family: var(--font-tech);
    font-size: 2.25rem;
    color: var(--color-text-light);
}
.user-info .user-job {
    font-size: 1.1rem;
    color: var(--color-accent);
    font-weight: 500;
    margin-top: -0.5rem;
}
.user-meta {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--color-text-medium);
}
.user-meta strong {
    color: var(--color-text-light);
    font-weight: 500;
}
.user-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 0;
}
.user-activity {
    background-color: var(--color-section-bg);
    backdrop-filter: blur(5px);
    border-radius: 8px;
    border: 1px solid var(--color-border);
    padding: 1.5rem;
}
.user-activity h2 {
    font-family: var(--font-tech);
    font-size: 1.25rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}
.activity-list-item {
    border-bottom: 1px dashed var(--color-border);
    padding: 0.75rem 0;
}
.activity-list-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.activity-list-item .comment-date {
    font-size: 0.8rem;
    color: var(--color-text-medium);
}
.activity-list-item .comment-thread-title a {
    font-size: 1rem;
    font-weight: 600;
    margin: 0.25rem 0;
    display: inline-block;
	white-space: normal;
    overflow: visible;
    text-overflow: clip;
    color: var(--color-text-light);
}
.activity-list-item .comment-thread-title a:hover {
    color: var(--color-accent);
}
.activity-list-item .comment {
    font-size: 0.9rem;
    color: var(--color-text-medium);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}


/* --- Styles pour Login/Register --- */
.auth-form-container {
    background-color: var(--color-form-bg);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    border: 1px solid var(--color-border);
    padding: 2.5rem 3rem;
    max-width: 450px;
    margin: 3rem auto; 
    box-shadow: 0 8px 30px var(--color-black-alpha-40);
}

.auth-form-container h2 {
    font-family: var(--font-tech);
    font-size: 1.75rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--color-text-light);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 0.75rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--color-text-medium);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
    width: 100%;
    padding: 0.8rem 1rem;
    background-color: var(--color-bg-dark);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text-light);
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="password"]:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-alpha-30);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
}

.form-options label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-medium);
    cursor: pointer;
}
.form-options input[type="checkbox"] {
    accent-color: var(--color-accent);
}

.auth-form-container .btn-primary {
    width: 100%;
    padding: 0.8rem;
    font-size: 1rem;
    margin-bottom: 1rem;
}

.auth-switch-link {
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-text-medium);
}
.auth-switch-link a {
    color: var(--color-accent);
    font-weight: 600;
}

/* --- Responsive Design --- */
@media (max-width: 900px) {
    .forum-item { 
        gap: 0.75rem; 
    }
}

@media (max-width: 768px) {
    .user-profile-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .user-stats {
        grid-template-columns: 1fr;
    }
    .thread-post {
        flex-direction: column;
        gap: 1rem;
    }
    .post-author {
        display: flex;
        align-items: center;
        gap: 1rem;
        width: 100%;
        text-align: left;
    }
    .post-author .forum-avatar {
        width: 40px;
        height: 40px;
        margin: 0;
    }
    
    .site-footer {
        padding: 1rem;
    }
    .floating-footer-module {
        gap: 1rem;
        padding: 0.5rem 1rem;
    }
    .footer-links {
        gap: 1rem;
    }
}

@media (max-width: 600px) {
    .container { 
        width: 100%; 
        padding: 0; 
        margin-top: 1rem;
        gap: 1rem;
    }
    .forum-section, .thread-container, .user-profile-card, .user-activity { 
        border-radius: 0; 
        border-left: none; 
        border-right: none; 
    }
    .banner-main img { border-radius: 0; }
    .forum-item { 
        padding: 0.75rem 1rem; 
        align-items: flex-start; /* Align items at the start if title wraps */
    }
    .forum-subject { 
        font-size: 1rem; 
    }
    
    .thread-header { padding: 1rem; }
    .thread-header h1 { font-size: 1.5rem; }
    .thread-post { padding: 1rem; }

    /* Auth Forms */
    .auth-form-container {
        margin: 1.5rem auto;
        padding: 1.5rem;
    }
    .auth-form-container h2 {
        font-size: 1.5rem;
    }

    /* Responsive Header */
    .site-header { padding: 0 1rem; }
    .auth-buttons .btn {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
    }
    
    /* Responsive Footer */
    .site-footer {
        padding: 0.5rem; 
    }
    .floating-footer-module {
        padding: 0.5rem 1rem;
    }
    .footer-links a {
        font-size: 0.8rem;
    }
}

/* Désactive l'animation sur mobile */
@media (max-width: 900px) {
    #particle-trail-canvas { display: none; }
    body, a, .btn { cursor: auto; }
}

/* ---=== Balisage généré par Forum.php : .forum-section > a > h2.forum-header + .forum-item ===--- */
/* Le moteur ne produit ni .category-link ni .forum-item-main : avatar, sujet, auteur, messages et
   date sont frères directs. Grille : sujet puis auteur dans la colonne principale, compteur et
   date à droite ; empilés sous le sujet sur mobile (cf. docs/forums_generation.md §7). */
.forum-section > a {
    display: block;
    text-decoration: none;
}
.forum-section > a > .forum-header {
    overflow-wrap: anywhere;
}
.forum-section > a:hover > .forum-header {
    background-color: var(--color-accent);
    color: var(--color-on-accent);
}
/* Colonne de date à largeur fixe : chaque fil est une grille à part, les compteurs restent alignés */
.forum-item {
    display: grid;
    grid-template-columns: 45px minmax(0, 1fr) 110px minmax(17.5rem, auto);
    column-gap: 1rem;
    row-gap: 0.15rem;
}
.forum-item .forum-avatar {
    grid-column: 1;
    grid-row: 1 / span 2;
}
.forum-subject {
    grid-column: 2;
    grid-row: 1;
    min-width: 0;
    line-height: 1.4;
    overflow-wrap: anywhere;
}
.forum-author {
    grid-column: 2;
    grid-row: 2;
    min-width: 0;
    font-size: 0.85rem;
    overflow-wrap: anywhere;
}
.forum-messages {
    grid-column: 3;
    grid-row: 1 / span 2;
    width: auto;
    margin-left: 0;
}
.forum-last-message {
    grid-column: 4;
    grid-row: 1 / span 2;
    width: auto;
}

/* Catégories vides masquées sur l'accueil */
.forum-section:has(> a > .forum-header):not(:has(.forum-item)) {
    display: none;
}

/* Messages du fil : texte brut dont on garde les retours à la ligne, médias contenus dans la colonne */
.thread-header h1 {
    overflow-wrap: anywhere;
}
.post-author {
    min-width: 0;
    overflow-wrap: anywhere;
}
.post-author-job:empty {
    display: none;
}
.post-body {
    white-space: pre-line;
    overflow-wrap: anywhere;
}
.post-body img,
.post-body video {
    max-width: 100%;
    height: auto;
}
/* Le moteur entoure les vidéos de <br> : inutiles avec pre-line */
.post-body br:has(+ iframe),
.post-body iframe + br {
    display: none;
}
.post-body iframe {
    display: block;
    width: 100%;
    max-width: 560px;
    height: auto;
    aspect-ratio: 16 / 9;
    border: 0;
    border-radius: 8px;
}
.post-body pre {
    white-space: pre-wrap;
}
.user-info {
    min-width: 0;
}
.user-info h1 {
    overflow-wrap: anywhere;
}

/* Page profil : le moteur ne produit pas .activity-list-item, chaque sujet ou commentaire est un
   <div> (date, h4.comment-thread-title, .comment) posé directement dans .user-activity */
.user-avatar-large {
    object-fit: cover;
}
.user-info .user-job {
    color: var(--color-link-on-card);
    overflow-wrap: anywhere;
}
.user-info .user-job:empty {
    display: none;
}
.user-meta {
    overflow-wrap: anywhere;
}
.user-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
}
.user-activity {
    min-width: 0;
}
.user-activity h2 {
    overflow-wrap: anywhere;
}
.user-activity > div {
    border-bottom: 1px dashed var(--color-border);
    padding: 0.75rem 0;
}
.user-activity > h2 + div {
    padding-top: 0;
}
.user-activity > div:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.user-activity .comment-date {
    font-size: 0.8rem;
    color: var(--color-text-medium);
}
.user-activity .comment-thread-title {
    font-size: 1rem;
    margin: 0.15rem 0;
    overflow-wrap: anywhere;
}
.user-activity .comment-thread-title a {
    color: var(--color-text-light);
}
.user-activity .comment-thread-title a:hover {
    color: var(--color-link-on-card);
}
.user-activity .comment {
    margin-top: 0.35rem;
    font-size: 0.9rem;
    color: var(--color-text-medium);
    white-space: pre-line;
    overflow-wrap: anywhere;
}
.comment a {
    color: var(--color-link-on-card);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.comment img,
.comment video {
    max-width: 100%;
    height: auto;
}
.comment br:has(+ iframe),
.comment iframe + br {
    display: none;
}
.comment iframe {
    display: block;
    width: 100%;
    max-width: 560px;
    height: auto;
    aspect-ratio: 16 / 9;
    margin: 0.25rem 0;
    border: 0;
    border-radius: 8px;
}
.comment pre {
    white-space: pre-wrap;
}

/* Sans JavaScript, le curseur dessiné dans le canvas n'existe pas : on garde celui du système */
@media (scripting: none) {
    body, a, .btn { cursor: auto; }
}
/* Le point du curseur n'apparaît que souris sur la page, et jamais au doigt (il resterait figé au centre) */
html:not(:hover) #particle-trail-canvas {
    visibility: hidden;
}
@media (hover: none), (pointer: coarse) {
    #particle-trail-canvas { display: none; }
    body, a, .btn { cursor: auto; }
}

/* ---=== Mobile ===--- */
@media (max-width: 1100px) {
    .header-container {
        flex-wrap: wrap;
        row-gap: 0.4rem;
        padding: 0.6rem 0;
    }
    .logo-container {
        flex: 1 1 0;
    }
    .main-nav {
        order: 3;
        flex-basis: 100%;
    }
    .main-nav ul {
        gap: 1.5rem;
    }
    .main-nav a {
        display: inline-block;
        padding: 0.2rem 0;
    }
    /* Liste des fils empilée : sous 1100 px, la grille à 4 colonnes laisse trop peu de place au titre */
    .forum-item {
        grid-template-columns: 40px minmax(0, 1fr) auto;
        column-gap: 0.75rem;
        align-items: start;
    }
    .forum-item .forum-avatar {
        grid-row: 1 / span 3;
        width: 40px;
        height: 40px;
    }
    .forum-subject {
        grid-column: 2 / -1;
    }
    .forum-messages {
        grid-column: 3;
        grid-row: 2;
        font-size: 0.85rem;
        text-align: right;
        white-space: nowrap;
    }
    .forum-last-message {
        grid-column: 2 / -1;
        grid-row: 3;
        font-size: 0.85rem;
        text-align: left;
        white-space: normal;
    }
}

@media (max-width: 900px) {
    .logo-container h1 {
        font-size: 1.25rem;
    }
}

@media (max-width: 768px) {
    .user-stats {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 600px) {
    .site-header {
        position: relative;
    }
    .header-container {
        column-gap: 0.75rem;
        row-gap: 0.5rem;
        padding: 0.75rem 0;
    }
    .logo-container {
        flex-basis: 100%;
    }
    .logo-container h1 {
        font-size: 1.1rem;
    }
    .main-nav {
        order: 2;
        flex-basis: auto;
    }
    .main-nav ul {
        gap: 0.85rem;
    }
    .main-nav a {
        font-size: 0.85rem;
    }
    .auth-buttons {
        order: 3;
        gap: 0.5rem;
        margin-left: auto;
    }
    .auth-buttons .btn {
        padding: 0.4rem 0.5rem;
    }
    .breadcrumb-nav,
    .category-page-header {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    .category-page-header {
        font-size: 1.4rem;
    }
    .forum-section > a > .forum-header {
        padding: 0.7rem 1rem;
        font-size: 1.1rem;
    }
    .user-profile-card {
        gap: 1rem;
        padding: 1.5rem 1rem;
    }
    .user-avatar-large {
        width: 96px;
        height: 96px;
    }
    .user-info h1 {
        font-size: 1.75rem;
    }
    .user-activity {
        padding: 1.25rem 1rem;
    }
    .floating-footer-module {
        flex-direction: column;
        gap: 0.4rem;
        text-align: center;
    }
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    .copyright {
        border-left: none;
        padding-left: 0;
        font-size: 0.8rem;
    }
}