body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.dashboard {
    display: flex;
    height: 100vh;
}

.sidebar {
    width: 25%;
    background: #2c3e50;
    color: #ecf0f1;
    padding: 20px;
    overflow-y: auto;
}

.sidebar h2 {
    margin-bottom: 20px;
}

.sidebar ul {
    list-style: none;
    padding: 0;
}

.sidebar ul li {
    margin: 10px 0;
    cursor: pointer;
    padding: 10px;
    background: #34495e;
    border-radius: 5px;
    transition: background 0.3s;
}

.sidebar ul li:hover {
    background: #1abc9c;
}

.chat-container {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.chat-header {
    background: #1abc9c;
    color: white;
    padding: 10px;
    text-align: center;
}

.chat-body {
    flex-grow: 1;
    padding: 20px;
    background: #ecf0f1;
    overflow-y: auto;
}

.chat-footer {
    padding: 10px;
    background: #bdc3c7;
    display: flex;
    align-items: center;
    gap: 10px;
}

.chat-footer textarea {
    flex-grow: 1;
    padding: 10px;
    border-radius: 5px;
    border: none;
    resize: none;
}

.chat-footer button {
    padding: 10px 20px;
    background: #1abc9c;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}