body {
    font-family: 'Inter', sans-serif;
}
/* START: Enforce A5 aspect ratio for previews */
#final-preview-front-container, #final-preview-back-container {
    aspect-ratio: 210 / 148;
}
/* END: Enforce A5 aspect ratio for previews */
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-in-out, padding 0.3s ease-in-out;
    padding-top: 0;
    padding-bottom: 0;
}
.accordion-content.open {
    max-height: 2000px; /* Increased max-height to prevent clipping */
    padding-top: 1rem;
    padding-bottom: 1rem;
}
.accordion-header.open .accordion-icon {
    transform: rotate(180deg);
}
.loader {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
input[type="range"] {
    -webkit-appearance: none; appearance: none;
    width: 100%; height: 8px; background: #e5e7eb;
    border-radius: 4px; outline: none;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none;
    width: 20px; height: 20px; background: #0E0B3D;
    cursor: pointer; border-radius: 50%;
}
input[type="range"]::-moz-range-thumb {
    width: 20px; height: 20px; background: #0E0B3D;
    cursor: pointer; border-radius: 50%;
}
/* Masonry Layout Styles */
.grid-item {
    width: 33.333%;
    padding: 2px; /* Equivalent to gap-1 */
    box-sizing: border-box;
}
@media (max-width: 640px) {
    .grid-item {
        width: 50%;
    }
}
.grid-item img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 0.5rem;
}