/* Abacus Board - standalone styles */
.abacus-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.abacus-frame {
    display: inline-block;
    max-width: 100%;
}

.abacus-bead:hover {
    filter: brightness(1.1);
}

.abacus-bead:active {
    filter: brightness(0.95);
}

/* Mobile responsive */
@media (max-width: 640px) {
    .abacus-container {
        justify-content: flex-start;
    }
}

/* Hide scrollbar but keep scrollable */
.abacus-container::-webkit-scrollbar {
    height: 4px;
}
.abacus-container::-webkit-scrollbar-track {
    background: transparent;
}
.abacus-container::-webkit-scrollbar-thumb {
    background: #92400e44;
    border-radius: 4px;
}