.activity-card {
    height: 100%;
    background-color: #fff;
    border: 1px solid #dee2e6;
    border-radius: 0.375rem;
    overflow: hidden;
    transition: all 0.2s ease;

    &:hover {
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        border-color: #007bff;
        transform: translateY(-2px);
    }

    &[data-activity-type="tournament"] {
        border-left: 4px solid #007bff;
    }

    &[data-activity-type="stand"] {
        border-left: 4px solid #17a2b8;
    }

    a {
        display: flex;
        flex-direction: column;
        height: 100%;
        padding: 1rem;
        color: inherit;
        text-decoration: none;

        header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 0.75rem;

            .badge {
                font-size: 0.75rem;
                padding: 0.25rem 0.5rem;
            }
        }

        section {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;

            h6 {
                font-size: 1rem;
                font-weight: 600;
                margin: 0;
                color: #212529;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;
                overflow: hidden;
                text-overflow: ellipsis;
                line-height: 1.3;
            }

            div small {
                display: block;
                color: #6c757d;
                margin-bottom: 0.25rem;
            }
        }

        footer {
            margin-top: 0.75rem;
            padding-top: 0.5rem;
            border-top: 1px solid #f8f9fa;
            text-align: center;

            small {
                color: #6c757d;
            }
        }
    }
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.4rem;
    font-size: 0.75em;
    font-weight: 700;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 0.25rem;

    &-primary   { color: #fff; background-color: #007bff; }
    &-success   { color: #fff; background-color: #28a745; }
    &-danger    { color: #fff; background-color: #dc3545; }
    &-secondary { color: #fff; background-color: #6c757d; }
    &-info      { color: #fff; background-color: #17a2b8; }
}