body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    height: 100vh;
    background-color: #f4f4f4;
}
#sidebar {
    width: 200px;
    background-color: #2c3e50;
    color: white;
    padding: 10px;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
}
#sidebar h2 {
    text-align: center;
    margin-bottom: 20px;
}
#sidebar ul {
    list-style: none;
    padding: 0;
}
#sidebar ul li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    cursor: pointer;
    border-radius: 5px;
    margin-bottom: 5px;
    transition: background-color 0.3s;
}
#sidebar ul li.active {
    background-color: #34495e; /* Цвет активного диалога */
    font-weight: bold;
}
#sidebar ul li:hover {
    background-color: #34495e;
}
#sidebar ul li .delete-icon {
    cursor: pointer;
    font-size: 14px;
    color: #e74c3c;
    margin-left: 10px;
}
#sidebar ul li .delete-icon:hover {
    color: #c0392b;
}
#sidebar button {
    width: 100%;
    padding: 10px;
    margin-top: 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    background-color: #3498db;
    color: white;
    font-size: 14px;
}
#sidebar button:hover {
    background-color: #2980b9;
}
#chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin: 10px;
}
#chat-box {
    flex: 1;
    padding: 10px;
    overflow-y: auto;
    border-bottom: 1px solid #ddd;
}
#user-input {
    width: 100%;
    padding: 10px;
    border: none;
    border-top: 1px solid #ddd;
    outline: none;
}
.message {
    margin-bottom: 10px;
    padding: 8px;
    border-radius: 5px;
    max-width: 70%;
}
.user-message {
    background-color: #007bff;
    color: white;
    margin-left: auto;
}
.bot-message {
    background-color: #f1f1f1;
    color: black;
    margin-right: auto;
}


#input-area {
    display: flex;
    align-items: center;
    padding: 10px;
    background-color: #f1f1f1;
}

#user-input {
    flex-grow: 1;
    padding: 10px;
    margin-right: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.upload-btn {
    cursor: pointer;
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    margin-right: 10px;
}

#send-btn {
    padding: 10px 20px;
    background-color: #008CBA;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

#file-info {
    padding: 10px;
    background-color: #e2e2e2;
    margin-top: 5px;
    border-radius: 4px;
}