.chat-box {
    background: #f5f7fb;
    padding: 20px;
    border-radius: 10px;
    max-height: 450px;
    overflow-y: auto;
}

.chat-message {
    display: flex;
    align-items: flex-end;
    margin-bottom: 15px;
}

.chat-message.sent {
    justify-content: flex-end;
}

.chat-message.received {
    justify-content: flex-start;
}

.message-content {
    max-width: 60%;
    padding: 10px 14px;
    border-radius: 10px;
    position: relative;
}

.sent .message-content {
    background: #0d6efd;
    color: white;
}

.received .message-content {
    background: white;
    border: 1px solid #ddd;
}

.message-sender {
    font-weight: 600;
    font-size: 13px;
    margin-bottom: 3px;
}

.message-text {
    font-size: 14px;
}

.message-time {
    font-size: 11px;
    margin-top: 4px;
    opacity: 0.7;
}

.avatar {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: #6c757d;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin: 0 8px;
}