.rps-buttons{ margin-top:12px; display:flex; gap:8px; flex-wrap:wrap; align-items:center; }
.rps-btn{
    border:1px solid #ddd;
    padding:6px 12px;
    border-radius:8px;
    text-decoration:none;
    color:#1e73be;
    display:inline-block;
    transition:all .15s ease;
    position:relative;
}
.rps-btn:hover{ background:#f5f5f5; }
.rps-active{
    border-color:#ff6600 !important;
    color:#ff6600 !important;
    font-weight:600;
}

/* tooltip (clean, dark background) using attr(data-price) */
.rps-btn::after{
    content: attr(data-price);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: calc(100% + 8px);
    white-space: nowrap;
    padding: 6px 8px;
    border-radius: 6px;
    font-size: 13px;
    line-height:1;
    display: none;
    z-index: 9999;
    box-shadow: 0 4px 10px rgba(0,0,0,0.12);
}

/* arrow */
.rps-btn::before{
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: calc(100% + 4px);
    border-width: 6px;
    border-style: solid;
    border-color: transparent transparent rgba(0,0,0,0.85) transparent;
    display:none;
}

/* show on hover */
.rps-btn:hover::after,
.rps-btn:hover::before{
    display:block;
}

/* dark tooltip style */
.rps-btn::after{
    background: rgba(0,0,0,0.85);
    color: #fff;
}

/* adjust when active to keep contrast */
.rps-btn.rps-active:hover::after { background: rgba(255,102,0,0.95); color: #fff; }