*{
    font-family: "DM Serif Text", sans-serif
}

body {
    background-color: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.chat-container {
    width: 300px;
    background: white;
    border-radius: 10px;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.chat-header {
    background: #25D366;
    color: white;
    text-align: center;
    padding: 10px;
    font-size: 18px;
}

.chat-box {
    padding: 10px;
    height: 300px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.message {
    max-width: 80%;
    padding: 8px 12px;
    margin: 5px;
    border-radius: 10px;
    line-height: 1.4;
}

.received {
    background: #e0e0e0;
    align-self: flex-start;
}

.sent {
    background: #dcf8c6;
    align-self: flex-end;
}

.input-container {
    display: flex;
    align-items: center;
    padding: 10px;
    background: #ffffff;
    border-top: 1px solid #ddd;
}

input[type="text"] {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 20px;
    outline: none;
    font-size: 14px;
    margin-right: 10px;
}

button {
    width: 100%;
    padding: 10px;
    border: none;
    background: #128C7E;
    color: white;
    cursor: pointer;
    font-size: 16px;
}

button:hover {
    background: #0f7b6c;
}