@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

:root {
    /* -- Couleurs de fond -- */
    --bg-primary: #281E13;
    --bg-secondary: #423425;
    --bg-tertiary: #5F4C38;
    --bg-tertiary-hover: #7C664A;
    
    /* -- Couleurs de texte -- */
    --text-primary: #FFFBEB;
    --text-secondary: #DCD0B9;
    --white: #ffffff;
    --text-on-accent: #281E13;

    /* -- Couleurs d'accentuation -- */
    --accent-primary: #CA8A04;
    --accent-primary-hover: #A16207;
    --accent-secondary: #14B8A6;

    /* -- Couleurs des bordures et ombres -- */
    --border-color: #7C664A;
    --accent-primary-shadow: rgba(202, 138, 4, 0.2);

    /* -- Couleurs pour l'animation JS -- */
    --js-particle-fill: rgba(202, 138, 4, 0.5);
    --js-particle-stroke-base: rgba(202, 138, 4, 1);
}

/* --- Réinitialisation et styles de base --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    display: flex;
}

a {
    color: var(--accent-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-primary);
}

img {
    max-width: 100%;
    height: auto;
}

/* --- Arrière-plan animé --- */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.5;
}

/* --- Structure Principale (Aside + Contenu) --- */
.sidebar {
    width: 260px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 25px;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow-y: auto;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10;
}

.page-wrapper {
    margin-left: 260px;
    width: calc(100% - 260px);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px;
    flex-grow: 1;
    width: 100%;
}


/* --- Sidebar (Ancien Header) --- */
.logo-container {
    text-align: center;
    margin-bottom: 40px;
}

.logo {
    height: 60px;
    margin-bottom: 10px;
}

.platform-name {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
}

.main-nav {
    display: flex;
    flex-direction: column;
    gap: 15px;
    flex-grow: 1;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 10px 15px;
    border-radius: 8px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.auth-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn {
    border: none;
    padding: 10px 16px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary,
.btn-primary:hover {
    background-color: var(--accent-primary);
    color: var(--text-on-accent);
}
.btn-primary:hover {
    background-color: var(--accent-primary-hover);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background-color: var(--bg-tertiary-hover);
    color: var(--text-primary);
}

/* --- Fil d'Ariane (Breadcrumb) --- */
.breadcrumb {
    margin-bottom: 25px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}
.breadcrumb-item {
    color: var(--text-secondary);
}
.breadcrumb-item:hover {
    color: var(--accent-primary);
}
.breadcrumb-separator {
    margin: 0 8px;
}

/* --- Bannière (home.html) --- */
.banner-section {
    margin-bottom: 40px;
}

.main-banner {
    border-radius: 8px;
    width: 100%;
    object-fit: cover;
}

/* --- Listes du Forum (home.html, categories.html) --- */
.forum-section {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 30px;
    overflow: hidden;
}

.forum-header {
    background-color: var(--bg-tertiary);
    font-size: 1.2rem;
    padding: 15px 20px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.forum-item {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease;
}
.forum-item:last-child { 
    border-bottom: none; 
}
.forum-item:hover { 
    background-color: var(--bg-tertiary); 
}

.forum-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    margin-right: 15px;
    object-fit: cover;
}
.forum-item-info { 
    flex-grow: 1; 
}
.forum-subject {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 3px;
}
.forum-subject:hover { 
    color: var(--accent-primary); 
}
.forum-author { 
    font-size: 0.85rem; 
    color: var(--text-secondary); 
}
.forum-author a { 
    font-weight: 500; 
}
.forum-item-stats {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    flex-shrink: 0;
    width: 150px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* --- Pagination (categories.html) --- */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 30px;
}
.page-link, .current-page {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
}
.page-link:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}
.current-page {
    background-color: var(--accent-primary);
    color: var(--text-on-accent);
    font-weight: 600;
    border-color: var(--accent-primary);
}

/* --- Page de Sujet (thread.html) --- */
.thread-header {
    margin-bottom: 20px;
}
.thread-title {
    font-size: 2rem;
    margin-bottom: 10px;
}
.thread-meta {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.comment-container {
    display: flex;
    gap: 20px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}
.comment-author-info {
    flex-shrink: 0;
    width: 150px;
    text-align: center;
}
.comment-author-info .forum-avatar {
    width: 80px;
    height: 80px;
    margin: 0 auto 10px auto;
}
.comment-author-info .pseudo {
    font-weight: 600;
    color: var(--text-primary);
}
.comment-body {
    flex-grow: 1;
}
.comment-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}
.comment-content {
    line-height: 1.7;
}
.comment-content a {
    color: var(--accent-primary);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
}
.comment-content a:hover {
    color: var(--accent-secondary);
}

/* --- Page Utilisateur (user.html) --- */
.user-profile-card {
    background-color: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    padding: 30px;
    display: flex;
    align-items: flex-start;
    gap: 30px;
    margin-bottom: 30px;
}
.user-avatar-large {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}
.user-details {
    flex: 1 1 260px;
    min-width: 0;
}
.user-details .pseudo {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 5px;
    overflow-wrap: anywhere;
}
.user-details .job {
    color: var(--accent-secondary);
    font-weight: 500;
    margin-bottom: 15px;
    overflow-wrap: anywhere;
}
.user-info-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 30px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    overflow-wrap: anywhere;
}
.user-info-grid strong {
    color: var(--text-primary);
    font-weight: 500;
}

.user-activity {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px;
}
.activity-section h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}
/* Balisage généré par Forum.php : chaque sujet ou commentaire est un <div> sans classe */
.activity-item,
.activity-section > div {
    background-color: var(--bg-tertiary);
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 10px;
    overflow-wrap: anywhere;
}
.activity-section .comment-thread-title {
    font-size: 1rem;
    line-height: 1.4;
    margin-bottom: 4px;
}
.activity-section .comment-thread-title a,
.activity-section .comment-thread-title a:hover {
    font-weight: 600;
    color: var(--text-primary);
}
.activity-section .comment-thread-title a:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}
.activity-section .comment-date {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.activity-section > div > :last-child {
    margin-bottom: 0;
}
.activity-section .comment {
    font-size: 0.9rem;
    color: var(--text-secondary);
    border-left: 3px solid var(--accent-primary);
    padding-left: 10px;
}
.activity-section .comment a {
    color: var(--text-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.activity-section .comment iframe,
.activity-section .comment video {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 8px 0;
}
.activity-section .comment iframe {
    aspect-ratio: 16 / 9;
}
.activity-section .comment pre {
    white-space: pre-wrap;
}
/* Liste vide (membre sans sujet ou sans commentaire) : section masquée */
.activity-section:has(> h3:only-child) {
    display: none;
}
.user-activity:has(> .activity-section > h3:only-child) {
    grid-template-columns: minmax(0, 1fr);
}

/* --- Footer Pleine Largeur --- */
.main-footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 30px 0;
    width: 100%;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 20px;
}
.footer-links a { 
    color: var(--text-secondary); 
}
.footer-copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* --- Page Liste des Catégories (category.html) --- */
.category-list-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}
.category-block {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}
.category-block:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
}
.category-block h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}
.category-block h3 a:hover {
    color: var(--accent-primary);
}
.category-block p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
}
.category-stats {
    font-size: 0.8rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    padding-top: 10px;
}

/* --- Pages de Formulaires (login.html, register.html) --- */
.form-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-grow: 1;
}
.form-container {
    width: 100%;
    max-width: 450px;
    background-color: var(--bg-secondary);
    padding: 30px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}
.form-container h2 {
    text-align: center;
    margin-bottom: 25px;
    font-size: 1.8rem;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
}
.form-group input {
    width: 100%;
    padding: 12px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.form-group input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-primary-shadow);
}
.form-container .btn {
    width: 100%;
    padding: 12px;
    font-size: 1.1rem;
    margin-top: 10px;
}
.form-switch-link {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* --- Balisage généré par Forum.php : .forum-section > a > h2.forum-header + .forum-item --- */
/* Fil d'Ariane émis sans conteneur, directement dans .page-container */
.page-container > .breadcrumb-item,
.page-container > .breadcrumb-separator {
    font-size: 0.9rem;
}
.page-container > .banner-section,
.page-container > .thread-header,
.page-container > .forum-section:first-of-type,
.page-container > .user-profile-card {
    margin-top: 15px;
}
.banner-section img {
    display: block;
    border-radius: 8px;
}

.forum-section > a {
    display: block;
    color: inherit;
}
.forum-section > a > .forum-header {
    display: block;
    color: var(--text-primary);
}
.forum-section > a:hover > .forum-header {
    color: var(--accent-primary);
}
.forum-item {
    display: grid;
    grid-template-columns: 45px minmax(0, 1fr) auto;
    column-gap: 15px;
    row-gap: 2px;
    align-items: center;
}
.forum-item .forum-avatar {
    grid-column: 1;
    grid-row: 1 / span 2;
    margin: 0;
}
.forum-subject {
    grid-column: 2;
    grid-row: 1;
    margin-bottom: 0;
    line-height: 1.4;
}
.forum-author {
    grid-column: 2;
    grid-row: 2;
}
.forum-subject,
.forum-author {
    min-width: 0;
    overflow-wrap: anywhere;
}
.forum-messages,
.forum-last-message {
    grid-column: 3;
    justify-self: end;
    text-align: right;
    white-space: nowrap;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.forum-messages {
    grid-row: 1;
    align-self: end;
}
.forum-last-message {
    grid-row: 2;
    align-self: start;
}

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

.pagination:empty {
    display: none;
}

/* Contenu des messages : textes longs, images et vidéos intégrées */
.thread-title,
.comment-author-info .pseudo {
    overflow-wrap: anywhere;
}
.comment-body {
    min-width: 0;
}
.comment-content {
    overflow-wrap: anywhere;
}
.comment-content img,
.comment-content video,
.comment-content iframe {
    max-width: 100%;
}
.comment-content img,
.comment-content video {
    height: auto;
}
.comment-content iframe {
    height: auto;
    aspect-ratio: 16 / 9;
}
.comment-content pre {
    white-space: pre-wrap;
}

/* --- Mobile --- */
@media (max-width: 900px) {
    body {
        display: block;
    }
    .sidebar {
        position: relative;
        width: 100%;
        height: auto;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        gap: 15px 20px;
        padding: 15px 20px;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    .logo-container {
        flex: 1 1 100%;
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 0;
        text-align: left;
    }
    .logo {
        height: 44px;
        width: auto;
        margin-bottom: 0;
        flex-shrink: 0;
    }
    .platform-name {
        font-size: 1.3rem;
        line-height: 1.3;
        min-width: 0;
        overflow-wrap: anywhere;
    }
    .main-nav {
        flex-direction: row;
        flex-wrap: wrap;
        flex: 1 1 auto;
        gap: 8px;
    }
    .auth-buttons {
        flex-direction: row;
    }
    .page-wrapper {
        margin-left: 0;
        width: 100%;
    }
    .page-container {
        padding: 20px;
    }
    .forum-item .forum-avatar {
        grid-row: 1 / span 3;
        align-self: start;
    }
    .forum-subject {
        grid-column: 2 / -1;
    }
    .forum-messages {
        grid-row: 2;
        align-self: center;
    }
    .forum-last-message {
        grid-column: 2 / -1;
        grid-row: 3;
        justify-self: start;
        text-align: left;
        white-space: normal;
    }
    .footer-content {
        flex-direction: column;
        gap: 12px;
        padding: 0 20px;
        text-align: center;
    }
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px 20px;
    }
    .user-profile-card {
        flex-wrap: wrap;
    }
    .user-activity {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 600px) {
    .main-nav {
        flex: 1 1 100%;
    }
    .auth-buttons {
        flex: 1 1 100%;
    }
    .auth-buttons .btn {
        flex: 1;
    }
    .page-container {
        padding: 16px;
    }
    .banner-section {
        margin-bottom: 25px;
    }
    .forum-header {
        padding: 12px 15px;
    }
    .forum-item {
        grid-template-columns: 40px minmax(0, 1fr) auto;
        column-gap: 12px;
        padding: 12px 15px;
    }
    .forum-item .forum-avatar {
        width: 40px;
        height: 40px;
    }
    .forum-subject {
        font-size: 1rem;
    }
    .thread-title {
        font-size: 1.5rem;
    }
    .comment-container {
        flex-direction: column;
        gap: 12px;
        padding: 15px;
    }
    .comment-author-info {
        width: auto;
        display: flex;
        align-items: center;
        gap: 12px;
        text-align: left;
    }
    .comment-author-info .forum-avatar {
        width: 48px;
        height: 48px;
        margin: 0;
        flex-shrink: 0;
    }
    .comment-meta {
        margin-bottom: 12px;
    }
    .user-profile-card {
        padding: 20px;
        gap: 20px;
    }
    .user-avatar-large {
        width: 88px;
        height: 88px;
    }
    .user-details .pseudo {
        font-size: 1.6rem;
    }
    .user-info-grid {
        grid-template-columns: minmax(0, 1fr);
    }
    .activity-section > div {
        padding: 12px;
    }
}