:root {
            --primary-color: #3C270D;
            --secondary-color: #5a3a16;
            --accent-color: #E67E22;
            --light-color: #F5F5F5;
            --dark-color: #222222;
            --bot-bubble: #f1f1f1;
            --user-bubble: #E67E22;
        }
        


        .logo {
            height: 50px;
            width: auto;
        }

        .chat-container {
            max-width: 800px;
            margin: 2rem auto;
            padding: 0 1rem;
            flex: 1;
            display: flex;
            flex-direction: column;
            height: calc(100vh - 200px);
        }

        .chat-title {
            color: var(--primary-color);
            text-align: center;
            margin-bottom: 1rem;
        }

        .chat-messages {
            flex: 1;
            overflow-y: auto;
            padding: 1rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .message {
            max-width: 80%;
            padding: 0.8rem 1.2rem;
            border-radius: 18px;
            position: relative;
        }

        .bot-message {
            align-self: flex-start;
            background-color: var(--bot-bubble);
            border-bottom-left-radius: 4px;
            color: var(--dark-color);
        }

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

        .message-avatar-container {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            margin-right: 0.8rem;
            overflow: hidden;
            border: 2px solid var(--accent-color);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .message-avatar {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center top;
        }

        .chat-input-container {
            padding: 1rem;
            background-color: white;
            border-top: 1px solid #eee;
            display: flex;
            gap: 0.5rem;
        }

        .chat-input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 1px solid #ddd;
            border-radius: 24px;
            font-size: 1rem;
            outline: none;
        }

        .send-button {
            background-color: var(--accent-color);
            color: white;
            border: none;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .footer {
            background-color: var(--dark-color);
            color: white;
            text-align: center;
            padding: 1.5rem;
            margin-top: auto;
        }

        /* Options de réponse */
        .options-container {
            margin-top: 0.5rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .option-item {
            padding: 0.8rem 1rem;
            border-radius: 8px;
            background-color: #f8f8f8;
            cursor: pointer;
            transition: all 0.2s;
            border: 2px solid transparent;
        }

        .option-item:hover {
            background-color: #eee;
        }

        .option-item.selected {
            background-color: var(--accent-color);
            color: white;
            border-color: var(--secondary-color);
        }

        .option-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        /* Formulaires dans les messages */
        .text-form {
            margin-top: 1rem;
            display: flex;
            gap: 0.5rem;
        }

        /* Animation de saisie */
        .typing-indicator {
            display: inline-flex;
            padding: 0.5rem 1rem;
            background-color: var(--bot-bubble);
            border-radius: 18px;
        }

        .typing-dot {
            width: 8px;
            height: 8px;
            background-color: #666;
            border-radius: 50%;
            margin: 0 2px;
            animation: typingAnimation 1.4s infinite ease-in-out;
        }

        .typing-dot:nth-child(1) { animation-delay: 0s; }
        .typing-dot:nth-child(2) { animation-delay: 0.2s; }
        .typing-dot:nth-child(3) { animation-delay: 0.4s; }

        @keyframes typingAnimation {
            0%, 60%, 100% { transform: translateY(0); }
            30% { transform: translateY(-5px); }
        }

        @media (max-width: 768px) {
            .header {
                padding: 1rem;
            }
            
            .chat-container {
                padding: 0;
                height: calc(100vh - 160px);
            }
            
            .message {
                max-width: 90%;
            }
            
            .message-avatar-container {
                width: 50px;
                height: 50px;
            }
        }