/* styles.css */
body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
}
.container {
    display: flex;
    height: 100vh;
}
.sidebar {
    width: 25%;
    background-color: #2c3e50;
    color: white;
    padding: 10px;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
}
.sidebar h2 {
    margin-top: 0;
    font-size: 1.5em;
}
.sidebar ul {
    list-style: none;
    padding: 0;
}
.sidebar li {
    padding: 10px;
    border-bottom: 1px solid #34495e;
    cursor: pointer;
}
.sidebar li:hover {
    background-color: #34495e;
}
.chat-window {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    background-color: white;
}
#chat-header {
    background-color: #3498db;
    color: white;
    padding: 10px;
    text-align: center;
}
.messages {
    flex-grow: 1;
    padding: 10px;
    overflow-y: auto;
    background-color: #ecf0f1;
    border-bottom: 1px solid #bdc3c7;
}
.chat-input {
    display: flex;
    padding: 10px;
    background-color: #ecf0f1;
    border-top: 1px solid #bdc3c7;
}
.chat-input input[type="text"] {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid #bdc3c7;
    border-radius: 5px;
}
.chat-input button {
    padding: 10px 20px;
    background-color: #2ecc71;
    color: white;
    border: none;
    border-radius: 5px;
    margin-left: 10px;
    cursor: pointer;
}
.chat-input button:hover {
    background-color: #27ae60;
}