/* ==========================================================================
   Breadcrumbs
   Standalone stylesheet for site-wide breadcrumb navigation
   ========================================================================== */

.breadcrumbs {
    padding: var(--space-m) 0;
    /* Responsive font size from 12px to 14px */
    font-size: clamp(0.75rem, 1.5vw, var(--fs-300));
    font-family: var(--font-family-primary);
}

.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--space-xs);
    align-items: center;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-item:not(:last-child)::after {
    content: "/";
    margin-left: var(--space-xs);
    color: var(--color-breadcrumb-grey);
}

.breadcrumb-item a {
    color: var(--color-breadcrumb-grey);
    text-decoration: none;
    transition: color 0.2s ease;
    font-family: var(--font-family-primary);
}

.breadcrumb-item a:hover,
.breadcrumb-item a:focus {
    color: var(--color-science-blue);
    text-decoration: underline;
    text-underline-offset: 4px;
}

.breadcrumb-item span[aria-current="page"] {
    color: #111137;
    font-weight: var(--fw-bold);
}

/* Tablet adjustments */
@media (max-width: 1023px) {
    .breadcrumbs {
        padding: var(--space-s) 0;
    }
}

/* Truncate long breadcrumb labels on mobile */
@media (max-width: 768px) {
    .breadcrumb-item a,
    .breadcrumb-item span {
        max-width: 220px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}

@media (max-width: 650px) {
    .breadcrumb-item a,
    .breadcrumb-item span {
        max-width: 280px;
    }
}

@media (max-width: 480px) {
    .breadcrumb-item a,
    .breadcrumb-item span {
        max-width: 280px;
    }
}