/* Variables CSS pour la cohérence des couleurs */
:root {
    --primary-color: #2d5a27;
    --primary-light: #4a7c59;
    --primary-dark: #1a3d1a;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --white: #ffffff;
    --border-color: #dee2e6;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
}

/* Styles des boutons */
.btn-primary, .btn-secondary, .btn-copy, .btn-image, .btn-send, .btn-small, .btn-large {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
    min-height: 40px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--white);
}

.btn-secondary:hover:not(:disabled) {
    background-color: #5a6268;
}

.btn-danger {
    background-color: var(--danger-color);
    color: var(--white);
}

.btn-danger:hover:not(:disabled) {
    background-color: #c82333;
    transform: translateY(-1px);
    box-shadow: var(--shadow-hover);
}

.btn-warning {
    background-color: #f39c12;
    color: var(--white);
}

.btn-warning:hover:not(:disabled) {
    background-color: #e67e22;
    transform: translateY(-1px);
    box-shadow: var(--shadow-hover);
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
    min-height: 32px;
}

.btn-large {
    padding: 15px 30px;
    font-size: 16px;
    min-height: 50px;
}

.btn-copy {
    background-color: var(--info-color);
    color: var(--white);
    padding: 8px 12px;
    font-size: 12px;
}

.btn-image, .btn-send {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
}

.btn-image {
    background-color: var(--secondary-color);
    color: var(--white);
}

.btn-send {
    background-color: var(--primary-color);
    color: var(--white);
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Styles des formulaires */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--dark-color);
}

input[type="text"], input[type="password"], input[type="email"] {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
}

input[type="text"]:focus, input[type="password"]:focus, input[type="email"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(45, 90, 39, 0.1);
}

/* Messages d'erreur et de succès */
.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: 10px;
    border-radius: var(--border-radius);
    border: 1px solid #f5c6cb;
    margin-top: 10px;
}

.success-message {
    background-color: #d4edda;
    color: #155724;
    padding: 10px;
    border-radius: var(--border-radius);
    border: 1px solid #c3e6cb;
    margin-top: 10px;
}

/* États de chargement */
.loading-state {
    text-align: center;
    padding: 40px;
    color: var(--secondary-color);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* États vides */
.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--secondary-color);
}

.empty-state p {
    margin-bottom: 10px;
}

/* Modales */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background-color: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-hover);
    max-width: 500px;
    width: 90%;
    text-align: center;
}

.modal-content h3 {
    margin-bottom: 15px;
    color: var(--dark-color);
}

.modal-content p {
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

/* Indicateurs de statut */
.status-indicator {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.status-online {
    background-color: #d4edda;
    color: #155724;
}

.status-offline {
    background-color: #f8d7da;
    color: #721c24;
}

.status-connecting {
    background-color: #fff3cd;
    color: #856404;
}

/* Responsive Design */
@media (max-width: 768px) {
    .modal-content {
        margin: 20px;
        padding: 20px;
    }
    
    .btn-large {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .modal-actions button {
        width: 100%;
    }
}

/* ===== STYLES SPÉCIFIQUES À LA PAGE DE CONNEXION ===== */
.login-page {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-card {
    background-color: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-hover);
    text-align: center;
}

.logo-section h1 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 2.5em;
}

.logo-section p {
    color: var(--secondary-color);
    margin-bottom: 30px;
}

.login-form {
    text-align: left;
    margin-bottom: 30px;
}

.login-info {
    background-color: var(--light-color);
    padding: 20px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--info-color);
}

.login-info p {
    margin-bottom: 5px;
    font-size: 14px;
}

.login-info code {
    background-color: var(--white);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: var(--primary-color);
}

/* ===== STYLES SPÉCIFIQUES AU TABLEAU DE BORD ===== */
.dashboard-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.dashboard-header {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-content h1 {
    color: var(--primary-color);
    font-size: 1.8em;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-info-container {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
}

.user-info {
    color: var(--dark-color);
    font-size: 14px;
}

.session-timer {
    color: var(--secondary-color);
    font-size: 11px;
    font-weight: 400;
}

.dashboard-main {
    flex: 1;
    padding: 30px 20px;
}

.dashboard-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.section-card h2 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.5em;
}

.section-card p {
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.session-result {
    background-color: var(--light-color);
    padding: 20px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--success-color);
    margin-top: 20px;
}

.session-result h3 {
    color: var(--success-color);
    margin-bottom: 15px;
}

.session-link-container {
    margin-bottom: 15px;
}

.session-link-container label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-color);
}

.link-input-group {
    display: flex;
    gap: 10px;
}

.link-input-group input {
    flex: 1;
    font-family: 'Courier New', monospace;
    font-size: 12px;
}

.session-info {
    font-size: 14px;
    color: var(--secondary-color);
}

.session-creation-date {
    margin-top: 10px;
    padding: 8px 12px;
    background-color: #e8f5e8;
    border-radius: 6px;
    font-size: 14px;
    color: var(--primary-dark);
    border-left: 4px solid var(--primary-color);
}

.conversations-list {
    display: grid;
    gap: 15px;
}

.conversation-item {
    background-color: var(--light-color);
    padding: 20px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.conversation-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.conversation-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
}

.conversation-id {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 500;
}

.conversation-status {
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 12px;
}

.status-connected {
    background-color: #d4edda;
    color: #155724;
}

.status-waiting {
    background-color: #fff3cd;
    color: #856404;
}

.conversation-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
    font-size: 12px;
    color: var(--secondary-color);
}

.session-timer {
    font-weight: 500;
    color: var(--primary-color);
}

.timer-value {
    font-weight: 600;
    color: var(--primary-color);
}

.conversation-actions {
    margin-top: 15px;
    display: flex;
    gap: 10px;
}

.dashboard-footer {
    background-color: var(--white);
    border-top: 1px solid var(--border-color);
    padding: 20px;
    text-align: center;
    color: var(--secondary-color);
    font-size: 14px;
}

/* ===== STYLES POUR L'ADMINISTRATION ===== */
.managers-list {
    display: grid;
    gap: 15px;
}

.manager-item {
    background-color: var(--light-color);
    padding: 20px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.manager-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.manager-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.manager-info h3 {
    margin: 0 0 5px 0;
    color: var(--primary-color);
    font-size: 1.2em;
}

.manager-role {
    margin: 0;
    font-size: 14px;
    color: var(--secondary-color);
    font-weight: 500;
}

.manager-actions {
    display: flex;
    gap: 10px;
}

.manager-details {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 14px;
    color: var(--secondary-color);
}

.manager-details span {
    display: flex;
    align-items: center;
}

.manager-modal {
    max-width: 500px;
    width: 90%;
}

.btn-danger {
    background-color: var(--danger-color);
    color: var(--white);
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.btn-danger:hover:not(:disabled) {
    background-color: #c82333;
    transform: translateY(-1px);
    box-shadow: var(--shadow-hover);
}

/* Styles pour les sélecteurs */
select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    background-color: var(--white);
    transition: var(--transition);
}

select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(45, 90, 39, 0.1);
}

/* ===== STYLES SPÉCIFIQUES À LA PAGE DE CHAT ===== */
.chat-page {
    height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: #f0f2f5;
}

.chat-header {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.chat-header .header-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: flex-start; /* Seulement le titre à gauche */
    align-items: center;
    position: relative; /* Pour positionner l'indicateur en absolu */
}

.chat-header h1 {
    color: var(--primary-color);
    font-size: 1.5em;
    margin: 0; /* Retour à la normale */
}

.session-info {
    position: absolute;
    top: 8px;
    right: 15px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
    z-index: 10;
}

.session-id {
    font-family: 'Courier New', monospace;
    font-size: 12px;
    color: var(--secondary-color);
}

.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
    position: relative;
}

.connection-error {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    /* CORRECTION: Permettre le scroll si le contenu dépasse */
    overflow-y: auto;
    -webkit-overflow-scrolling: touch; /* Pour un scroll fluide sur iOS */
    box-sizing: border-box;
}

.error-content {
    text-align: center;
    background-color: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.error-content h2 {
    color: var(--danger-color);
    margin-bottom: 15px;
}

.error-content p {
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.chat-interface {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: calc(100vh - 100px); /* Hauteur fixe moins header */
    min-height: 500px; /* Hauteur minimum */
}

.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 20px 20px 5px 20px; /* Réduction du padding bottom */
    background-color: #f0f2f5;
    position: relative;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch; /* Pour iOS */
    height: calc(100vh - 200px); /* Hauteur fixe pour forcer le scroll */
    min-height: 400px; /* Hauteur minimum */
    max-height: calc(100vh - 200px); /* Hauteur maximum */
}

.messages-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 100%;
}

.welcome-message {
    text-align: center;
    background-color: var(--white);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.welcome-message p {
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.security-warning {
    background-color: #fff3cd;
    border: 3px solid #ffc107;
    border-radius: 8px;
    padding: 15px;
    margin: 15px 0;
    text-align: left;
}

.security-warning p {
    color: #856404 !important;
    font-weight: bold;
    margin-bottom: 8px;
}

.security-warning p:first-child {
    text-align: center;
    font-size: 1.1em;
    color: #dc3545 !important;
    margin-bottom: 12px;
}

.security-warning ul {
    margin: 10px 0;
    padding-left: 20px;
}

.security-warning li {
    color: #856404;
    font-weight: 600;
    margin-bottom: 5px;
    list-style-type: none;
    position: relative;
}

.message {
    max-width: 70%;
    padding: 12px 16px;
    border-radius: 18px;
    word-wrap: break-word;
    position: relative;
}

.message.sent {
    align-self: flex-end;
    background-color: var(--primary-color);
    color: var(--white);
    border-bottom-right-radius: 4px;
}

.message.received {
    align-self: flex-start;
    background-color: var(--white);
    color: var(--dark-color);
    border-bottom-left-radius: 4px;
    box-shadow: var(--shadow);
}

.message-content {
    margin-bottom: 5px;
}

.message-image {
    max-width: 300px;
    max-height: 200px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.message-image:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow);
}

.message-time {
    font-size: 11px;
    opacity: 0.7;
    text-align: right;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 5px;
}

.message.received .message-time {
    text-align: left;
    justify-content: flex-start;
}

/* États des messages optimistes */
.status-icon {
    font-size: 12px;
    margin-left: 3px;
}

.status-icon.pending {
    color: #ffc107; /* Jaune/orange pour "en cours" */
    animation: pulse-slow 2s infinite;
}

.status-icon.sent {
    color: #28a745; /* Vert pour "envoyé" */
}

.status-icon.failed {
    color: #dc3545; /* Rouge pour "échec" */
    cursor: pointer;
    animation: shake 0.5s ease-in-out;
}

.status-icon.failed:hover {
    transform: scale(1.2);
}

/* Message avec différents états */
.message.status-pending {
    opacity: 0.8;
    border-left: 3px solid #ffc107; /* Bordure jaune pour pending */
}

.message.status-sent {
    opacity: 1;
    /* Style normal */
}

.message.status-failed {
    opacity: 0.7;
    border-left: 3px solid #dc3545; /* Bordure rouge pour échec */
    background-color: rgba(220, 53, 69, 0.05); /* Fond légèrement rouge */
}

/* Animations */
@keyframes pulse-slow {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-2px); }
    75% { transform: translateX(2px); }
}

.input-container {
    background-color: var(--white);
    border-top: 1px solid var(--border-color);
    padding: 15px 20px; /* Réduction du padding vertical */
    position: sticky;
    bottom: 0;
    z-index: 10;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.message-form {
    margin-bottom: 0;
}

.input-group {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: var(--light-color);
    padding: 8px;
    border-radius: 25px;
    border: 2px solid var(--border-color);
    transition: var(--transition);
    position: relative; /* Pour positionner le menu d'images */
}

.input-group:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(45, 90, 39, 0.1);
}

.input-group input[type="text"] {
    flex: 1;
    border: none;
    background: transparent;
    padding: 8px 12px;
    font-size: 14px;
}

.input-group input[type="text"]:focus {
    outline: none;
    box-shadow: none;
}

.image-preview {
    background-color: var(--light-color);
    border: 2px dashed var(--primary-color);
    border-radius: var(--border-radius);
    padding: 15px;
    margin-top: 10px;
    text-align: center;
    animation: fadeIn 0.3s ease-out;
    box-shadow: var(--shadow);
}

.preview-content img {
    max-width: 150px;
    max-height: 150px;
    border-radius: var(--border-radius);
    margin-bottom: 10px;
    box-shadow: var(--shadow);
}

.preview-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.loading-indicator {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.loading-indicator p {
    color: var(--secondary-color);
    margin-top: 20px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.message {
    animation: fadeIn 0.3s ease-out;
}

.conversation-item.new-item {
    animation: slideIn 0.3s ease-out;
}

.session-result {
    animation: fadeIn 0.5s ease-out;
}

/* ===== STYLES POUR L'IMPRESSION ===== */
@media print {
    .chat-header,
    .input-container,
    .dashboard-header,
    .dashboard-footer {
        display: none;
    }

    .messages-container {
        padding: 0;
        background: white;
    }

    .message {
        max-width: 100%;
        box-shadow: none;
        border: 1px solid var(--border-color);
        margin-bottom: 10px;
    }

    .message.sent {
        background-color: #f0f0f0 !important;
        color: black !important;
    }
}

/* Conteneur pour les images avec bouton de téléchargement */
.image-container {
    position: relative;
    display: inline-block;
}

.download-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
    opacity: 0;
    transform: scale(0.8);
}

.image-container:hover .download-btn {
    opacity: 1;
    transform: scale(1);
}

.download-btn:hover {
    background-color: var(--primary-color);
    transform: scale(1.1);
}

.download-btn:active {
    transform: scale(0.95);
}

/* Indicateur de nouveaux messages */
.new-messages-indicator {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.scroll-to-bottom-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 25px;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    box-shadow: var(--shadow-hover);
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.scroll-to-bottom-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Styles pour la vue d'archive */
.archive-info {
    background-color: var(--light-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
    margin: 20px;
}

.archive-details h3 {
    color: var(--primary-color);
    margin: 0 0 15px 0;
    font-size: 1.2em;
}

.archive-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    font-size: 14px;
}

.archive-meta span {
    background-color: var(--white);
    padding: 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.readonly-info {
    background-color: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: var(--border-radius);
    padding: 20px;
    margin: 20px;
    text-align: center;
}

.readonly-message {
    color: #856404;
    font-weight: 500;
    margin-bottom: 15px;
    font-size: 16px;
}

.readonly-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.message.readonly {
    opacity: 0.9;
    position: relative;
}

.message.readonly::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 49%, rgba(108, 117, 125, 0.1) 50%, transparent 51%);
    pointer-events: none;
    border-radius: var(--border-radius);
}

/* Corrections pour mobile et clavier */
@media (max-width: 768px) {
    /* OPTIMISATIONS EN-TÊTE MOBILE */
    .chat-header .header-content {
        padding: 10px 15px; /* Retour à un padding normal */
        position: relative;
    }
    
    .chat-header h1 {
        font-size: 1.2em; /* Réduire la taille du titre */
        margin: 0; /* Retour à la normale */
    }
    
    .session-info {
        position: absolute;
        top: 5px;
        right: 10px;
        font-size: 0.85em; /* Légèrement plus petit sur mobile */
        gap: 1px;
    }
    
    .session-id {
        font-size: 10px; /* Plus petit sur mobile */
    }
    
    .chat-interface {
        height: 100vh; /* Utiliser toute la hauteur sur mobile */
        height: 100dvh; /* Hauteur dynamique si supportée */
    }
    
    .messages-container {
        height: calc(100vh - 140px); /* Moins d'espace pour la textbox */
        height: calc(100dvh - 140px); /* Hauteur dynamique si supportée */
        max-height: calc(100vh - 140px);
        max-height: calc(100dvh - 140px);
        padding: 15px 15px 5px 15px; /* CORRECTION MOBILE: padding minimal en bas */
    }
    
    .input-container {
        position: fixed; /* Position fixe sur mobile */
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        padding: 10px 15px; /* CORRECTION MOBILE: padding encore plus réduit */
        z-index: 1000; /* Z-index élevé pour rester au-dessus */
        border-top: 2px solid var(--border-color);
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
        /* Ajouter un fond semi-transparent pour masquer le contenu en dessous */
        background-color: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
    }
    
    /* S'assurer que les messages ont assez d'espace en bas */
    .messages-list {
        padding-bottom: 5px; /* Espace minimal en bas pour coller à la textbox */
    }
    
    /* Réduire la taille des éléments pour plus d'espace */
    .message {
        max-width: 85%;
        padding: 10px 14px; /* Réduire le padding */
        margin-bottom: 8px; /* Réduire l'espacement entre messages */
    }
    
    /* CORRECTION: Limiter la largeur des images sur mobile pour éviter le débordement */
    .message-image {
        max-width: 100% !important; /* S'adapter à la largeur de la bulle */
        width: 100% !important; /* Prendre toute la largeur disponible dans la bulle */
        height: auto !important; /* Maintenir le ratio */
        max-height: 180px; /* Légèrement plus petit sur mobile */
    }
    
    /* FIX MOBILE: Rendre les boutons de téléchargement toujours visibles sur mobile */
    .download-btn {
        opacity: 1 !important; /* Toujours visible sur mobile */
        transform: scale(1) !important; /* Taille normale */
        background-color: rgba(0, 0, 0, 0.8) !important; /* Fond plus opaque */
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3); /* Ombre pour visibilité */
    }
    
    /* Améliorer l'interaction tactile pour les images */
    .image-container {
        position: relative;
        display: inline-block;
        border-radius: 8px;
        overflow: hidden;
    }
    
    .message-image {
        cursor: pointer !important; /* Indiquer que l'image est cliquable */
        border-radius: 8px;
    }
    
    /* Assurer que le body ne déborde pas */
    .chat-page {
        overflow: hidden;
        position: relative;
        height: 100vh;
        height: 100dvh;
    }
    
    /* CORRECTION DÉFINITIVE SCROLL ÉCRAN D'ERREUR */
    .connection-error {
        align-items: flex-start !important; /* FORCER l'alignement en haut */
        justify-content: flex-start !important; /* FORCER justification en haut */
        padding: 15px !important; /* Réduire le padding */
        min-height: calc(100vh - 60px) !important; /* Hauteur minimum pour scroll */
        overflow-y: auto !important; /* FORCER le scroll vertical */
        -webkit-overflow-scrolling: touch !important; /* Smooth scroll iOS */
        box-sizing: border-box;
        /* Supprimer toute contrainte de hauteur fixe */
        height: auto !important;
    }
    
    .error-content {
        width: 100% !important;
        max-width: none !important;
        margin: 0 !important; /* Pas de margin auto */
        padding: 20px 15px !important; /* Padding réduit */
        min-height: auto !important;
        box-sizing: border-box;
        /* S'assurer que le contenu peut s'étendre */
        flex-shrink: 0;
        /* Permettre au contenu de dépasser si nécessaire */
        overflow: visible;
    }
}

/* Styles pour l'authentification 2FA */
.setup-2fa-card {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 600px;
}

.setup-step {
    margin-bottom: 30px;
}

.setup-step h2 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.5em;
}

.setup-step p {
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.setup-form {
    margin-top: 20px;
}

.totp-setup {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.qr-section {
    text-align: center;
}

.qr-section h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.qr-container {
    display: flex;
    justify-content: center;
    margin: 20px 0;
    padding: 20px;
    background: var(--light-color);
    border-radius: var(--border-radius);
    border: 2px dashed var(--border-color);
}

.qr-container img {
    display: block;
    border-radius: var(--border-radius);
}

.help-text {
    font-size: 0.9em;
    color: var(--secondary-color);
    line-height: 1.4;
}

.manual-setup h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.secret-key {
    margin-bottom: 20px;
}

.secret-key label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--dark-color);
}

.secret-display {
    display: flex;
    gap: 10px;
    align-items: center;
}

.secret-display input {
    flex: 1;
    font-family: 'Courier New', monospace;
    background-color: var(--light-color);
    border: 2px solid var(--border-color);
    padding: 12px;
    border-radius: var(--border-radius);
    font-size: 0.9em;
    letter-spacing: 1px;
}

.verification-section h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.totp-login-section {
    text-align: center;
}

.totp-info h2 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.totp-info p {
    color: var(--secondary-color);
    margin-bottom: 25px;
    line-height: 1.5;
}

.totp-help {
    margin-top: 25px;
    padding: 20px;
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--info-color);
}

.totp-help .help-text {
    text-align: left;
    line-height: 1.6;
}

.login-actions {
    margin-top: 25px;
    text-align: center;
}

/* Code TOTP input style */
input[type="text"][name="totpCode"] {
    font-family: 'Courier New', monospace;
    font-size: 1.2em;
    letter-spacing: 3px;
    text-align: center;
    font-weight: bold;
}

/* Success message style */
.success-message {
    text-align: center;
    padding: 40px;
}

.success-message h2 {
    color: var(--success-color);
    margin-bottom: 20px;
}

.success-message p {
    color: var(--secondary-color);
    margin-bottom: 15px;
    line-height: 1.5;
}

/* Animation pour les erreurs */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-3px); }
    20%, 40%, 60%, 80% { transform: translateX(3px); }
}

.error-message.shake {
    animation: shake 0.5s ease-in-out;
}

/* Styles pour l'indicateur de force du mot de passe */
.password-strength {
    margin-top: 8px;
    padding: 10px;
    border-radius: 6px;
    font-size: 13px;
    line-height: 1.4;
}

.password-strength-good {
    color: var(--success-color);
    font-weight: 500;
}

.password-strength-weak {
    color: var(--error-color);
    font-weight: 500;
    margin-bottom: 5px;
}

.password-requirement {
    color: var(--secondary-color);
    margin: 2px 0;
    padding-left: 8px;
}

.password-strength {
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
}

/* Admin 2FA Management */
.manager-2fa-status {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.85em;
    padding: 4px 8px;
    border-radius: 12px;
    font-weight: 500;
}

.manager-2fa-status.enabled {
    background-color: #d4edda;
    color: #155724;
}

.manager-2fa-status.disabled {
    background-color: #f8d7da;
    color: #721c24;
}

.manager-2fa-status.pending {
    background-color: #fff3cd;
    color: #856404;
}

.btn-reset-2fa {
    background-color: var(--warning-color);
    color: var(--dark-color);
    font-size: 12px;
    padding: 4px 8px;
}

.btn-reset-2fa:hover:not(:disabled) {
    background-color: #e0a800;
}

/* Responsive pour 2FA */
@media (max-width: 768px) {
    .setup-2fa-card {
        padding: 25px;
        margin: 10px;
    }
    
    .totp-setup {
        gap: 20px;
    }
    
    .secret-display {
        flex-direction: column;
        gap: 10px;
    }
    
    .secret-display input {
        font-size: 0.8em;
    }
    
    .qr-container {
        padding: 15px;
    }
    
    input[type="text"][name="totpCode"] {
        font-size: 1.1em;
        letter-spacing: 2px;
    }
}

/* ===== MODAL PLEIN ÉCRAN POUR LES IMAGES ===== */
.image-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease-out;
}

.image-modal-content {
    position: relative;
    max-width: 95%;
    max-height: 95%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.image-modal img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.8);
    animation: scaleIn 0.3s ease-out;
}

@keyframes scaleIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.image-modal-close {
    position: absolute;
    top: -50px;
    right: 0;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    user-select: none;
    transition: var(--transition);
    z-index: 10001;
    background-color: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.image-modal-close:hover {
    background-color: var(--primary-color);
    transform: scale(1.1);
}

.image-modal-controls {
    margin-top: 20px;
    display: flex;
    gap: 10px;
    justify-content: center;
}

.image-modal-controls .btn-small {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.image-modal-controls .btn-small:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* Responsif pour mobile */
@media (max-width: 768px) {
    .image-modal-close {
        top: 10px;
        right: 10px;
        font-size: 30px;
        width: 40px;
        height: 40px;
        /* Améliorer la zone tactile */
        min-width: 44px;
        min-height: 44px;
        touch-action: manipulation;
    }
    
    .image-modal img {
        max-height: 80vh;
        /* Améliorer les interactions tactiles */
        touch-action: manipulation;
        user-select: none;
    }
    
    .image-modal-controls {
        margin-top: 15px;
        /* Améliorer l'espacement pour le tactile */
        gap: 15px;
    }
    
    .image-modal-controls .btn-small {
        /* Taille minimale recommandée pour le tactile */
        min-width: 44px;
        min-height: 44px;
        padding: 12px 16px;
        font-size: 14px;
        touch-action: manipulation;
    }
    
    /* Amélioration spécifique pour les boutons de téléchargement dans les messages */
    .download-btn {
        /* Taille minimale pour zone tactile confortable */
        min-width: 40px !important;
        min-height: 40px !important;
        font-size: 16px !important; /* Plus gros sur mobile */
        touch-action: manipulation;
        /* Position ajustée pour éviter les conflits */
        top: 5px !important;
        right: 5px !important;
        /* Animation tactile */
        transition: all 0.2s ease;
    }
    
    .download-btn:active {
        transform: scale(0.95) !important;
        background-color: var(--primary-color) !important;
    }
    
    /* S'assurer que les images sont bien interactives */
    .message-image {
        /* Zone tactile améliorée */
        touch-action: manipulation;
        user-select: none;
        -webkit-touch-callout: none; /* Empêcher le menu contextuel iOS */
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
    }
    
    /* Feedback visuel pour les éléments cliquables */
    .message-image:active,
    .download-btn:active {
        opacity: 0.8;
    }
}

/* Styles pour la gestion des archives admin */
.archives-section {
    margin-top: 30px;
}

.archives-list {
    margin-top: 20px;
}

.archive-date-item {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    background: var(--white);
    overflow: hidden;
    transition: var(--transition);
}

.archive-date-item:hover {
    box-shadow: var(--shadow);
}

.archive-date-header {
    background: var(--light-color);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
}

.archive-date-info h3 {
    margin: 0;
    color: var(--primary-color);
    font-size: 16px;
}

.archive-date-meta {
    font-size: 14px;
    color: var(--secondary-color);
    margin-top: 5px;
}

.archive-date-toggle {
    background: none;
    border: none;
    font-size: 18px;
    color: var(--secondary-color);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.archive-date-toggle.expanded {
    transform: rotate(180deg);
}

.archive-conversations {
    display: none;
    padding: 0;
}

.archive-conversations.expanded {
    display: block;
}

.archive-conversation-item {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s ease;
}

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

.archive-conversation-item:hover {
    background-color: #f8f9fa;
}

.archive-conversation-info {
    flex: 1;
}

.archive-conversation-id {
    font-family: 'Courier New', monospace;
    font-size: 12px;
    color: var(--secondary-color);
    background: var(--light-color);
    padding: 2px 6px;
    border-radius: 4px;
    margin-bottom: 5px;
    display: inline-block;
}

.archive-conversation-details {
    font-size: 14px;
    color: var(--dark-color);
}

.archive-conversation-meta {
    font-size: 12px;
    color: var(--secondary-color);
    margin-top: 5px;
}

.archive-conversation-actions {
    display: flex;
    gap: 10px;
}

.archive-stats {
    display: flex;
    gap: 15px;
    font-size: 12px;
    color: var(--secondary-color);
}

.archive-stat {
    display: flex;
    align-items: center;
    gap: 5px;
}

.archives-warning {
    border-radius: var(--border-radius);
    font-size: 14px;
}

.archives-warning strong {
    display: block;
    margin-bottom: 5px;
}

/* Modal de suppression d'archive */
.modal-content ul {
    margin: 10px 0;
    padding-left: 20px;
}

.modal-content ul li {
    margin: 5px 0;
    font-size: 14px;
}

/* Responsive design pour les archives */
@media (max-width: 768px) {
    .archive-date-header {
        padding: 12px 15px;
    }
    
    .archive-conversation-item {
        flex-direction: column;
        align-items: flex-start;
        padding: 12px 15px;
    }
    
    .archive-conversation-actions {
        margin-top: 10px;
        width: 100%;
    }
    
    .archive-stats {
        flex-wrap: wrap;
        gap: 10px;
    }
}

/* Indicateur de chargement pour l'upload d'images */
.image-upload-indicator {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(2px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    z-index: 10;
}

.upload-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1.2s linear infinite;
    margin-bottom: 15px;
}

.image-upload-indicator p {
    color: var(--secondary-color);
    font-size: 14px;
    margin-top: 10px;
}

/* Styles pour le menu de sélection d'images */
.image-menu {
    position: absolute;
    bottom: 100%;
    left: 50%;
    margin-left: -140px; /* -min-width/2 pour centrer */
    margin-bottom: 15px;
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    animation: popupSlideUp 0.2s ease-out;
    min-width: 280px;
}

/* Flèche pointant vers le bouton */
.image-menu::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -12px; /* -border-width pour centrer */
    width: 0;
    height: 0;
    border-left: 12px solid transparent;
    border-right: 12px solid transparent;
    border-top: 12px solid var(--white);
    filter: drop-shadow(0 3px 3px rgba(0, 0, 0, 0.1));
}

.image-menu-content {
    padding: 20px;
}

.image-menu-title {
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    color: var(--dark-color);
    margin: 0 0 15px 0;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.image-option-btn {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 16px 20px;
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 16px;
    font-weight: 500;
    color: var(--dark-color);
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 10px;
    min-height: 60px;
}

.image-option-btn:last-child {
    margin-bottom: 0;
}

.image-option-btn .btn-icon {
    font-size: 24px;
    margin-right: 16px;
    flex-shrink: 0;
}

.image-option-btn .btn-text {
    font-size: 16px;
    font-weight: 500;
}

.image-option-btn:hover:not(.close-menu) {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(45, 90, 39, 0.3);
}

.image-option-btn.camera-btn:hover {
    background-color: #28a745;
    border-color: #28a745;
}

.image-option-btn.gallery-btn:hover {
    background-color: #17a2b8;
    border-color: #17a2b8;
}

.image-option-btn.close-menu {
    background-color: #f8f9fa;
    border-color: var(--danger-color);
    color: var(--danger-color);
    margin-top: 8px;
}

.image-option-btn.close-menu:hover {
    background-color: var(--danger-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
}

@keyframes popupSlideUp {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Améliorations pour mobile - éviter le problème du clavier */
@media (max-width: 768px) {
    .btn-send {
        /* Empêcher le focus sur le bouton d'envoi sur mobile */
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
        /* Empêcher la sélection de texte accidentelle */
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
        /* Optimisations pour les performances tactiles */
        -webkit-touch-callout: none;
        -webkit-tap-highlight-color: transparent;
    }
    
    .btn-send:focus {
        outline: none;
    }
    
    .btn-send:active {
        /* Feedback visuel immédiat sur tap */
        transform: scale(0.95);
        background-color: var(--primary-dark);
    }
    
    /* Éviter que l'input perde le focus lors de l'interaction avec les boutons */
    .input-group {
        -webkit-tap-highlight-color: transparent;
    }
    
    .input-group input[type="text"] {
        /* Empêcher le zoom automatique sur iOS avec une taille de police de 16px+ */
        font-size: 16px !important;
        /* Maintenir la compatibilité avec les claviers virtuels */
        -webkit-user-select: text;
        -moz-user-select: text;
        -ms-user-select: text;
        user-select: text;
    }
    
    .image-menu {
        min-width: 300px;
        max-width: 90vw;
        left: 50%;
        margin-left: -150px; /* -min-width/2 pour centrer sur mobile */
        /* S'assurer que ça ne dépasse pas sur les petits écrans */
        right: auto;
    }
    
    /* Pour les très petits écrans */
    @media (max-width: 320px) {
        .image-menu {
            left: 10px;
            right: 10px;
            margin-left: 0;
            min-width: auto;
        }
    }
    
    .image-menu-content {
        padding: 18px;
    }
    
    .image-menu-title {
        font-size: 16px;
        margin-bottom: 14px;
        padding-bottom: 10px;
    }
    
    .image-option-btn {
        padding: 18px 20px;
        min-height: 64px;
        font-size: 17px; /* Éviter le zoom automatique sur iOS */
        margin-bottom: 12px;
    }
    
    .image-option-btn .btn-icon {
        font-size: 24px;
        margin-right: 16px;
    }
    
    .image-option-btn .btn-text {
        font-size: 17px;
        font-weight: 600;
    }
}

/* États vides */