.participant-card {
    border: 1px solid #e0e0e0;
    border-top: 3px solid var(--bs-success);
    transition: all 0.3s ease;
    position: relative; /* For tag positioning */
}

.participant-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.participant-card .card-body {
    padding: 1.5rem;
}

.participant-card-logo {
    max-height: 60px;
    max-width: 150px;
    margin-bottom: 1rem;
    margin: 15px;
}

.participant-card .card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: rgb(104, 104, 104);
}

.participant-card .card-link {
    text-decoration: none;
    color: var(--bs-success);
    font-weight: 500;
}

.participant-type-tag {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.25em 0.6em;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 4px;
    color: #fff;
    text-transform: uppercase;
}

.tag-filter-group { gap: .5rem; }
.tag-filter-group .tag-filter-btn {
    padding: .45rem .9rem;
    border-radius: 999px;
    font-weight: 700;
    font-size: .9rem;
    color: #D48B17;
    border: 1px solid #d48b178f;
    background: #fff;
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
    box-shadow: none;
}
.tag-filter-group .tag-filter-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(16,185,129,0.06);
}
.tag-filter-group .tag-filter-btn.active {
    background-color: #D48B17;
    color: #fff;
    border-color: #D48B17;
    box-shadow: 0 8px 30px rgba(16,185,129,0.12);
    transform: translateY(-2px);
}

/* keep card hide/show styles */
.participant-card-wrapper {
    transition: opacity .25s ease, transform .25s ease;
}
.participant-card-wrapper.d-none {
    opacity: 0;
    transform: scale(.98);
    display: none !important;
}