/**
 * Frontend styles for Variants Product Links grid.
 * 
 * Creates a responsive, accessible thumbnail grid for displaying product variants.
 * Grid automatically adjusts columns based on screen width using auto-fit.
 * 
 * Grid breakpoints:
 * - Mobile: 88px minimum per item
 * - Tablet (35rem+): 100px minimum per item  
 * - Desktop (60rem+): 110px minimum per item
 */

/* Main container */
.woo-variants-links {
    margin: 1.5rem 0;
}

/* Heading text */
.woo-variants-heading {
    font-weight: 600;
    margin: 0 0 0.5rem;
}

.woo-variants-header {
    margin-bottom: 0.5rem;
}

/* Responsive grid layout */
.woo-variants-grid {
    display: grid;
    gap: 0.5rem;
    grid-template-columns: repeat(auto-fit, minmax(88px, 1fr));
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Tablet breakpoint - larger minimum width */
@media (min-width: 35rem) {
    .woo-variants-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
}

/* Desktop breakpoint - largest minimum width */
@media (min-width: 60rem) {
    .woo-variants-grid {
        grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    }
}

/* Individual grid cell */
.woo-variants-cell {
    list-style: none;
    display: flex;
}

/* Variant item (link or span for current) */
.woo-variants-item {
    align-items: center;
    border: 1px solid transparent;
    border-radius: 4px;
    background-color: #ffffff;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding: 0.4rem;
    text-align: center;
    text-decoration: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    min-width: 0;
    width: 100%;
    height: 100%;
}

/* Interactive states for variant links */
.woo-variants-item:focus,
.woo-variants-item:hover {
    border-color: currentColor;
    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.08);
    outline: none;
}

/* Keyboard focus state for accessibility */
.woo-variants-item:focus-visible {
    border-color: #1d4ed8;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

/* Currently selected variant (not a link) */
.woo-variants-item.is-active {
    border-color: #0f172a;
    box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.15);
    font-weight: 600;
    cursor: default;
}

/* Product thumbnail container */
.woo-variants-thumbnail {
    display: block;
    line-height: 0;
    width: 100%;
}

.woo-variants-thumbnail img {
    border-radius: 4px;
    display: block;
    height: auto;
    max-width: 100%;
}

/* Variant label text */
.woo-variants-text {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 1.25;
    color: #111827;
}

/* Status pill ("Switch" or "Selected") */
.woo-variants-pill {
    background-color: #e2e8f0;
    border-radius: 9999px;
    color: #1f2937;
    display: inline-flex;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    margin-top: 0.35rem;
    padding: 0.15rem 0.5rem;
    text-transform: uppercase;
}

/* Dark pill for currently selected variant */
.woo-variants-pill-current {
    background-color: #0f172a;
    color: #ffffff;
}