body {
    font-family: 'Arial', sans-serif;
    background-image: url('images/keniaos.png'); /* o una URL en línea */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed; /* Hace que la imagen de fondo esté fija */
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

#chat-container {
    width: 90%;
    max-width: 600px;
    background-color: rgba(255, 255, 255, 0.8); /* Fondo blanco semi-transparente */
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

#messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.message {
    margin-bottom: 15px;
    padding: 10px 15px;
    border-radius: 10px;
    line-height: 1.6;
}

.user-message {
    background-color: #d1e7dd;
    align-self: flex-end;
}

.bot-message {
    background-color: #f8d7da;
    align-self: flex-start;
}

#input-area {
    display: flex;
    border-top: 1px solid #ddd;
    padding: 10px;
    background-color: #f5f5f5;
}

#user-input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 20px;
    margin-right: 10px;
    font-size: 16px;
}

#send-button {
    padding: 10px 20px;
    background-color: #007bff;
    border: none;
    border-radius: 20px;
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#send-button:hover {
    background-color: #0056b3;
}

.thumbnail-container img,
.thumbnail-container video {
    max-width: 100%;
    border-radius: 10px;
}

.thumbnail-container {
    margin-top: 10px;
}