/* Stili personalizzati per la chat */
   body {
    background-color: #f8f9fa;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.chat-container {
    background-color: white;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
    padding: 20px;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.chat-header {
    border-bottom: 2px solid #e9ecef;
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.chat-header h2 {
    margin: 0;
    color: #2c3e50;
}

.chat-messages {
    height: 400px;
    overflow-y: auto;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 10px;
    margin-bottom: 20px;
    border: 1px solid #dee2e6;
}

.message {
    margin-bottom: 10px;
    padding: 10px 15px;
    border-radius: 10px;
    background-color: white;
    border: 1px solid #e9ecef;
}

.message-user {
    background-color: #e3f2fd;
    border-left: 4px solid #0d6efd;
}

.message-ai {
    background-color: #f8f9fa;
    border-left: 4px solid #6c757d;
}

.message-role {
    font-weight: bold;
    margin-right: 5px;
}

.message-role-user {
    color: #0d6efd;
}

.message-role-ai {
    color: #6c757d;
}

.chat-input {
    padding: 15px 0 0 0;
}

.chat-input .input-group {
    gap: 10px;
}

.chat-input .form-control {
    border-radius: 25px;
    padding: 12px 20px;
    border: 2px solid #dee2e6;
}

.chat-input .form-control:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.btn-chat {
    border-radius: 25px;
    padding: 12px 25px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-chat:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.btn-call {
    border-radius: 25px;
    padding: 12px 25px;
    background-color: #28a745;
    color: white;
    border: none;
    transition: all 0.3s ease;
}

.btn-call:hover {
    background-color: #218838;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(40, 167, 69, 0.3);
}

/* Scrollbar personalizzata */
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 10px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: #555;
}

@media (max-width: 768px) {
    .chat-container {
        margin: 10px;
        padding: 15px;
    }
    
    .chat-input .input-group {
        flex-direction: column;
        gap: 10px;
    }
    
    .chat-input .input-group > * {
        width: 100% !important;
    }
    
    .chat-input .btn {
        width: 100% !important;
    }
}