body {
    overflow-x: hidden;
}

.nav {
    background: #00000044;
}

.navbar-fixed-top {
    position: fixed !important;
    top: 0px;
    width: 100%;
    background-color: white;
    z-index: 100;
}

.card {
    margin-top: 10px;
    margin-bottom: 10px;
}

.message-item {
    border-bottom: 1px solid #eee;
    padding: 15px 0;
}

.message-item:last-child {
    border-bottom: none;
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.message-author {
    font-weight: bold;
    color: #007bff;
}

.message-time {
    font-size: 0.85em;
    color: #6c757d;
}

.message-content {
    line-height: 1.6;
    color: #333;
}

#user-info {
    display: flex;
    gap: 10px;
}

#user-info .btn {
    margin-left: 5px;
}