.queue-wrapper {
    display: flex;
    align-items: center;
    padding: 15px;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px solid #cbd5e1;
    margin-top: 10px;
    flex-wrap: wrap;
    row-gap: 15px;
}

.queue-container {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
    min-width: 40px;
}

.queue-label {
    font-weight: bold;
    color: #475569;
    min-width: 110px;
}

.queue-box {
    height: 40px;
    padding: 0 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #94a3b8;
    border-radius: 5px;
    font-weight: bold;
    background-color: white;
    transition: all 0.2s ease;
}

.queue-box.in-pq { background-color: #bae6fd; border-color: #38bdf8; } 
.queue-box.popped { background-color: #fde047; border-color: #eab308; transform: scale(1.1); }
.queue-box.mst-edge { background-color: #43de7c; color: white; border-color: #22c55e; }