.extension-card {
    background: var(--bg-card, rgba(255, 255, 255, 0.05));
    border: 1px solid var(--border, rgba(255, 255, 255, 0.08));
    border-radius: 16px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    overflow: hidden;
}

.extension-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent, #1e88e5), transparent);
    opacity: 0;
    transition: opacity 0.2s;
}

.extension-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(30, 136, 229, 0.25);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.extension-card:hover::before {
    opacity: 1;
}

.card-top {
    display: flex;
    align-items: center;
    gap: 14px;
}

.extension-card .icon {
    width: 52px;
    height: 52px;
    background-size: cover;
    background-position: center;
    border-radius: 14px;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.card-info {
    flex: 1;
    min-width: 0;
}

.extension-card h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.extension-card .plugin-showmore {
    margin: 4px 0 0;
    font-size: 0.82rem;
    color: var(--text-muted, #777);
}

.card-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.card-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.06);
    font-size: 0.78rem;
    color: var(--text-secondary, #bbb);
}

.card-tag i {
    color: var(--accent, #1e88e5);
    font-size: 0.72rem;
}

.card-arrow {
    position: absolute;
    bottom: 16px;
    right: 16px;
    color: var(--text-muted, #555);
    font-size: 0.85rem;
    transition: color 0.2s, transform 0.2s;
}

.extension-card:hover .card-arrow {
    color: var(--accent, #1e88e5);
    transform: translateX(3px);
}