.bar {
    width: 40px;
    min-width: 30px;
    background: linear-gradient(to top, #3b82f6, #60a5fa);
    border-radius: 6px 6px 0 0;
    transition: none;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 8px;
    color: white;
    font-size: 12px;
    font-weight: bold;
    box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.2);
    position: relative;
}

/* Mobile responsive bars */
@media (max-width: 640px) {
    .bar {
        width: 28px;
        min-width: 20px;
        font-size: 10px;
        padding-bottom: 4px;
        border-radius: 4px 4px 0 0;
    }
}

/* Tiny mobile responsive bars */
@media (max-width: 400px) {
    .bar {
        width: 22px;
        min-width: 16px;
        font-size: 8px;
        padding-bottom: 2px;
    }
}

.bar.comparing {
    background: linear-gradient(to top, #f59e0b, #fbbf24);
    box-shadow: 0 10px 15px -3px rgba(245, 158, 11, 0.3);
}

.bar.swapping {
    background: linear-gradient(to top, #ef4444, #f87171);
}

.bar.sorted {
    background: linear-gradient(to top, #10b981, #34d399);
    box-shadow: 0 4px 6px -1px rgba(16, 185, 129, 0.2);
}

#visualizerContainer {
    perspective: 1000px;
    scrollbar-width: none; /* Firefox */
}

#visualizerContainer::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

#historyLog::-webkit-scrollbar {
    width: 6px;
}

#historyLog::-webkit-scrollbar-track {
    background: #f1f5f9;
}

#historyLog::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

#historyLog::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}