styles.css

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background: #f0f2f5;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

#loginBox,
#chatBox {
    display: none;
}

input {
    width: 100%;
    padding: 8px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

button {
    background: #0084ff;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    margin: 5px;
}

button:hover {
    background: #0073e6;
}

.button-group {
    margin: 10px 0;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #ddd;
}

.messages {
    height: 400px;
    overflow-y: auto;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-bottom: 10px;
}

.message {
    padding: 8px 12px;
    margin: 5px 0;
    border-radius: 16px;
    max-width: 70%;
}

.message.sent {
    background: #0084ff;
    color: white;
    margin-left: auto;
}

.message.received {
    background: #e9ecef;
    margin-right: auto;
}

.input-area {
    display: flex;
    gap: 10px;
}

.input-area input {
    margin: 0;
}

.sender-email {
    font-size: 12px;
    color: #666;
    margin-bottom: 2px;
}