/* ========================================
   VARIABLES CSS
   ======================================== */
:root {
    --polaris-primary: #4b3795;
    --polaris-primary-hover: #51c6e1;
    --polaris-white: #ffffff;
    --polaris-bg: #f0f2f5;
    --polaris-gray-light: #f8f9fa;
    --polaris-border: #e0e0e0;
    --polaris-text: #212529;
    --polaris-text-gray: #666;
}

/* ========================================
   BASE STYLES
   ======================================== */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: var(--polaris-bg);
    min-height: 100vh;
}

/* ========================================
   STRUCTURE PRINCIPALE
   ======================================== */
.container {
    display: flex;
    height: 100vh;
    width: 100%;
    overflow: hidden; /* Empêche le scroll horizontal */
}

/* ========================================
   SIDEBAR
   ======================================== */
.sidebar {
    width: 280px;
    flex-shrink: 0; /* Empêche la sidebar de rétrécir */
    background-color: var(--polaris-white);
    border-right: 1px solid var(--polaris-border);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--polaris-border);
}

.sidebar-header h2 {
    margin: 0 0 15px 0;
    font-size: 1.2em;
    color: var(--polaris-primary);
}

/* Nouveau chat */
#new-chat {
    width: 100%;
    padding: 12px;
    background-color: var(--polaris-primary);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.2s;
    font-weight: 500;
}

#new-chat:hover {
    background-color: var(--polaris-primary-hover);
}

/* Recherche */
.search-container {
    position: relative;
    margin-bottom: 15px;
}

#search-input {
    width: 100%;
    padding: 10px 35px 10px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.search-container .fa-search {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--polaris-text-gray);
}

/* Liste conversations */
.conversation-list {
    flex-grow: 1;
    overflow-y: auto;
    padding: 10px;
}

.conversation-item {
    padding: 15px;
    margin: 10px;
    background: var(--polaris-white);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s;
}

.conversation-item:hover {
    transform: translateX(5px);
}

.conversation-item.active {
    border-left: 3px solid var(--polaris-primary);
    background-color: var(--polaris-gray-light);
}

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

.editable-title {
    font-weight: 500;
    flex-grow: 1;
    margin-right: 10px;
    cursor: pointer;
    /*padding: 2px 5px;*/
    border: 1px solid transparent;
    border-radius: 3px;
}

.editable-title[contenteditable="true"] {
    border-color: var(--polaris-primary);
    background: var(--polaris-white);
    outline: none;
}

.conversation-actions {
    display: none;
    gap: 5px;
}

.conversation-item:hover .conversation-actions {
    display: flex;
}

.edit-btn, .delete-btn {
    background: none;
    border: none;
    padding: 5px;
    cursor: pointer;
    color: var(--polaris-text-gray);
}

.edit-btn:hover { color: #28a745; }
.delete-btn:hover { color: #dc3545; }

.conversation-preview {
    font-size: 0.9em;
    color: var(--polaris-text-gray);
    margin-bottom: 10px;
    height: 40px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.conversation-footer {
    display: flex;
    justify-content: space-between;
    font-size: 0.8em;
    color: #999;
}

.message-count {
    background: #f0f0f0;
    padding: 2px 5px;
    border-radius: 3px;
}

.message-count::before {
    content: '✉️ ';
    margin-right: 5px;
}

/* Pagination */
.pagination-controls {
    padding: 15px;
    border-top: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pagination-controls button {
    background: var(--polaris-primary);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 5px;
    cursor: pointer;
}

.pagination-controls button:hover:not(:disabled) {
    background: var(--polaris-primary-hover);
}

.pagination-controls button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

#page-indicator {
    font-size: 0.9em;
    color: var(--polaris-text-gray);
}

/* ========================================
   CHAT CONTAINER
   ======================================== */
.chat-container {
    flex: 1; /* Prend l'espace restant */
    min-width: 0; /* Important pour éviter le débordement */
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    margin: 20px;
    overflow: hidden; /* Empêche le débordement */
}

.chat-messages {
    flex: 1;
    padding: 25px;
    overflow-y: auto;
    overflow-x: hidden; /* Empêche le scroll horizontal */
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Messages */
.message {
    max-width: 65%;
    padding: 15px 25px;
    border-radius: 20px;
    position: relative;
    animation: messageAppear 0.35s ease-out;
    line-height: 1.6;
    word-break: break-word;
}

.user-message {
    background: var(--polaris-primary);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 5px;
}

.bot-message {
    background: var(--polaris-gray-light);
    color: var(--polaris-text);
    align-self: flex-start;
    border-bottom-left-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

/* Markdown */
.message-content h1 {
    font-size: 1.8em;
    border-bottom: 2px solid #dee2e6;
    padding-bottom: 0.3em;
    margin: 1em 0;
}

.message-content h2 {
    font-size: 1.6em;
    margin: 0.8em 0;
}

.message-content h3 {
    font-size: 1.4em;
    margin: 0.6em 0;
}

.message-content p {
    margin: 0.5em 0;
}

.message-content ul,
.message-content ol {
    padding-left: 2em;
    margin: 0.8em 0;
}

.message-content code {
    background: rgba(175,184,193,0.2);
    padding: 0.2em 0.4em;
    border-radius: 4px;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

.message-content pre {
    background: var(--polaris-gray-light);
    padding: 1em;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1em 0;
}

.message-content pre code {
    background: none;
    padding: 0;
    display: block;
}

.message-content blockquote {
    border-left: 4px solid #dee2e6;
    margin: 1em 0;
    padding-left: 1em;
    color: #6c757d;
}

/* Bouton copier */
.copy-btn {
    position: absolute;
    left: 0px;
    top: -35px;
    opacity: 0;
    transition: all 0.2s;
    background: rgba(0,0,0,0.08);
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #495057;
}

.message:hover .copy-btn {
    opacity: 1;
}

.copy-btn:hover {
    background: rgba(0,0,0,0.12);
}

.copy-success {
    color: var(--polaris-primary-hover) !important;
}

/* Input */
.input-container {
    padding: 20px;
    border-top: 1px solid #e9ecef;
    display: flex;
    gap: 12px;
    background: var(--polaris-gray-light);
}

#user-input {
    flex: 1;
    padding: 14px 20px;
    border: 2px solid #dee2e6;
    border-radius: 30px;
    font-size: 16px;
    transition: border-color 0.2s;
}

#user-input:focus {
    outline: none;
    border-color: var(--polaris-primary);
}

#send-button {
    padding: 14px 28px;
    background: var(--polaris-primary);
    color: white;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: background 0.2s;
}

#send-button:hover {
    background: var(--polaris-primary-hover);
}

/* Typing indicator */
.typing-indicator {
    display: none;
    padding: 15px 25px;
    background: var(--polaris-gray-light);
    border-radius: 20px;
    margin: 0 20px 15px;
    width: fit-content;
    align-self: flex-start;
}

.dot {
    width: 8px;
    height: 8px;
    margin: 0 4px;
    background: #6c757d;
    border-radius: 50%;
    display: inline-block;
    animation: bounce 1.4s infinite;
}

.dot:nth-child(2) { animation-delay: 0.2s; }
.dot:nth-child(3) { animation-delay: 0.4s; }

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes messageAppear {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-8px); }
}

/* ========================================
   BOUTON MENU MOBILE (caché par défaut)
   ======================================== */
.menu-toggle {
    display: none;
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 1001;
    background: var(--polaris-primary);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 10px 15px;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(75, 55, 149, 0.3);
}

.menu-toggle:hover {
    background: var(--polaris-primary-hover);
}

/* Overlay pour mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.sidebar-overlay.active {
    display: block;
}

/* ========================================
   RESPONSIVE
   ======================================== */

/* Tablettes */
@media (max-width: 1024px) {
    .sidebar {
        width: 250px;
    }
    
    .chat-container {
        margin: 15px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    body {
        padding: 0;
        overflow-x: hidden; /* Empêche le scroll horizontal sur mobile */
    }
    
    .container {
        flex-direction: column;
        overflow-x: hidden; /* Empêche le scroll horizontal */
    }
    
    /* Menu burger visible */
    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Animation de rotation pour l'icône */
    .menu-toggle i {
        transition: transform 0.3s ease;
    }
    
    /* Sidebar en overlay */
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: 80vw;
        max-width: 300px;
        z-index: 1000;
        transform: translateX(-100%);
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    /* Chat plein écran */
    .chat-container {
        width: 100vw;
        height: 100vh;
        margin: 0;
        border-radius: 0;
        max-width: 100%;
    }
    
    .chat-messages {
        padding: 70px 15px 15px; /* Espace pour le menu burger */
    }
    
    .message {
        max-width: 85%;
        padding: 15px 20px;
    }
    
    .copy-btn {
        top: -30px;
        right: 5px;
        left: auto;
    }
    
    .conversation-item {
        margin: 5px;
        padding: 10px;
    }
    
    .conversation-preview {
        display: none;
    }
    
    .input-container {
        padding: 15px;
    }
}


/* Petits mobiles */
@media (max-width: 480px) {
    .message {
        max-width: 90%;
        font-size: 14px;
    }
    
    #send-button {
        padding: 12px 20px;
    }
    
    .sidebar {
        width: 85vw;
    }
}
/* ========================================
   SCROLLBAR PERSONNALISÉE
   ======================================== */
.conversation-list::-webkit-scrollbar,
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.conversation-list::-webkit-scrollbar-track,
.chat-messages::-webkit-scrollbar-track {
    background: var(--polaris-gray-light);
}

.conversation-list::-webkit-scrollbar-thumb,
.chat-messages::-webkit-scrollbar-thumb {
    background: var(--polaris-primary);
    border-radius: 3px;
}

.conversation-list::-webkit-scrollbar-thumb:hover,
.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--polaris-primary-hover);
}

/* Legal Links Section */
.legal-links {
    display: flex;
    justify-content: center;
    padding: 20px;
    border-top: 1px solid var(--polaris-gray-light);
}

.legal-menu-btn {
    display: inline;
    padding: 0;
    background: none;
    border: none;
    color: var(--polaris-text-gray);
    font-size: 0.85em;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: underline;
    white-space: nowrap;
}

.legal-menu-btn:hover {
    color: var(--polaris-primary);
    font-weight: 500;
}

/* Legal Modal */
.legal-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.legal-modal.active {
    display: flex;
}

.legal-modal-content {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    max-width: 400px;
    width: 100%;
    overflow: hidden;
    animation: slideUp 0.3s ease-out;
}

.legal-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 2px solid var(--polaris-primary);
    background: var(--polaris-gray-light);
}

.legal-modal-header h3 {
    margin: 0;
    color: var(--polaris-primary);
    font-size: 1.3em;
    font-weight: 600;
}

.legal-modal-close {
    background: none;
    border: none;
    font-size: 1.5em;
    color: var(--polaris-primary);
    cursor: pointer;
    padding: 0;
    transition: color 0.2s;
}

.legal-modal-close:hover {
    color: var(--polaris-primary-hover);
}

.legal-modal-body {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
}

.legal-modal-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    color: var(--polaris-primary);
    text-decoration: none;
    transition: all 0.2s;
    border-bottom: 1px solid var(--polaris-border);
    font-weight: 500;
}

.legal-modal-link:last-child {
    border-bottom: none;
}

.legal-modal-link:hover {
    background-color: var(--polaris-gray-light);
    padding-left: 25px;
    color: var(--polaris-primary-hover);
}

.legal-modal-link i {
    font-size: 1.1em;
    flex-shrink: 0;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .legal-menu-btn {
        padding: 10px 14px;
        font-size: 0.85em;
    }
}

@media (max-width: 768px) {
    .legal-links {
        padding: 15px;
    }

    .legal-modal-content {
        max-width: 90vw;
    }
}

@media (max-width: 480px) {
    .legal-links {
        padding: 12px;
    }

    .legal-menu-btn {
        padding: 10px 12px;
        font-size: 0.8em;
    }

    .legal-modal-content {
        max-width: 95vw;
    }

    .legal-modal-link {
        padding: 14px 16px;
        font-size: 0.9em;
    }
}