/* Custom utility classes for JavaScript interactions */

/* Modal display control - these will be toggled by JavaScript */
.modal {
    display: none;
}

.modal.active {
    display: flex;
}

/* Active states for buttons with JavaScript interactions */
.visualize-btn.active {
    opacity: 1;
    background-color: rgba(52, 152, 219, 0.2);
    transform: scale(1.1);
}

/* Add smooth transitions */
.transition-all {
    transition: all 0.3s ease;
}

/* Custom focus styles */
.focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.3);
}

/* Supporting custom animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animate-fadeIn {
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* Ensure checkbox and labels have better click targets */
input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Improved range input styling */
input[type="range"] {
    appearance: none;
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #3498db;
    cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #3498db;
    cursor: pointer;
    border: none;
}

/* Disabled state styling */
input[type="range"]:disabled {
    opacity: 0.5;
}

/* Screen reader only class */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}