body {
    background-color: #f8f9fa;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

.card {
    border-radius: 0.5rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.card-header {
    border-radius: 0.5rem 0.5rem 0 0 !important;
}

.list-group-item {
    border-left: 0;
    border-right: 0;
}

.list-group-item:first-child {
    border-top: 0;
}

.list-group-item:last-child {
    border-bottom: 0;
}

.badge {
    font-size: 0.8rem;
    font-weight: normal;
}

.tag {
    display: inline-block;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    padding: 0.25rem 0.75rem;
    background-color: #e9ecef;
    border-radius: 1rem;
    font-size: 0.85rem;
    color: #495057;
    text-decoration: none;
}

.tag:hover {
    background-color: #dee2e6;
    color: #212529;
}

.thread-item {
    transition: background-color 0.2s;
}

.thread-item:hover {
    background-color: #f8f9fa;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.reply {
    border-left: 3px solid #dee2e6;
    padding-left: 1rem;
    margin-bottom: 1rem;
}

.reply-header {
    font-size: 0.9rem;
    color: #6c757d;
    margin-bottom: 0.5rem;
}