/* Opacity Control Styles */
.opacity-slider {
    position: absolute;
    background: var(--bg-color);
    padding: 8px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    width: 120px;
    z-index: 1001;
    border: 1px solid var(--panel-border);
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    display: none;
}

.opacity-slider.active {
    display: block;
}

.opacity-slider input[type="range"] {
    width: 100%;
    height: 4px;
    -webkit-appearance: none;
    background: var(--primary-color);
    border-radius: 2px;
    outline: none;
    margin: 0;
}

.opacity-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: white;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
}

.opacity-slider input[type="range"]::-webkit-slider-thumb:hover {
    background: var(--primary-color);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .opacity-slider {
        width: 100px;
    }
}