/*
 * Breadcrumb Component
 * Monochrome Edge - Sharp, minimal, bold
 */

.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.75rem 0;
    list-style: none;
    margin: 0;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--theme-text-secondary);
    transition: color var(--transition-speed);
}

.breadcrumb-item a {
    color: var(--theme-text-secondary);
    text-decoration: none;
    transition: color var(--transition-speed);
    padding: 0.25rem 0.5rem;
    border-radius: calc(var(--border-radius) / 2);
}

.breadcrumb-item a:hover {
    color: var(--theme-accent);
    background-color: var(--theme-bg);
}

.breadcrumb-item a:focus {
    outline: 2px solid var(--theme-accent);
    outline-offset: 2px;
}

/* Active/Current item */
.breadcrumb-item.is-active,
.breadcrumb-item.is-active a {
    color: var(--theme-text-primary);
    font-weight: 600;
    pointer-events: none;
}

/* Separator */
.breadcrumb-separator {
    display: flex;
    align-items: center;
    color: var(--theme-text-tertiary);
    font-size: 0.75rem;
    user-select: none;
}

/* Icon support */
.breadcrumb-item svg,
.breadcrumb-item .icon {
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
}

/* Compact variant */
.breadcrumb.breadcrumb-compact {
    gap: 0.25rem;
    font-size: 0.8125rem;
}

.breadcrumb.breadcrumb-compact .breadcrumb-item {
    gap: 0.25rem;
}

.breadcrumb.breadcrumb-compact .breadcrumb-separator {
    font-size: 0.625rem;
}

/* Large variant */
.breadcrumb.breadcrumb-large {
    gap: 0.75rem;
    font-size: 1rem;
}

.breadcrumb.breadcrumb-large .breadcrumb-item {
    gap: 0.75rem;
}

.breadcrumb.breadcrumb-large .breadcrumb-separator {
    font-size: 0.875rem;
}

/* With background */
.breadcrumb.breadcrumb-contained {
    background-color: var(--theme-surface);
    border: 1px solid var(--theme-border);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
}

/* Overflow handling - truncate middle items */
.breadcrumb.breadcrumb-truncate {
    max-width: 100%;
}

.breadcrumb.breadcrumb-truncate .breadcrumb-item {
    max-width: 12rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.breadcrumb.breadcrumb-truncate .breadcrumb-item:first-child,
.breadcrumb.breadcrumb-truncate .breadcrumb-item:last-child {
    max-width: none;
}

/* Collapsed breadcrumb (show only first and last) */
.breadcrumb.breadcrumb-collapsed
    .breadcrumb-item:not(:first-child):not(:last-child):not(
        .breadcrumb-ellipsis
    ) {
    display: none;
}

.breadcrumb-ellipsis {
    color: var(--theme-text-tertiary);
    padding: 0.25rem 0.5rem;
    cursor: pointer;
    user-select: none;
}

.breadcrumb-ellipsis:hover {
    color: var(--theme-text-secondary);
    background-color: var(--theme-bg);
    border-radius: calc(var(--border-radius) / 2);
}

/* Responsive */
@media (max-width: 768px) {
    .breadcrumb {
        font-size: 0.8125rem;
    }

    /* Auto-collapse on mobile */
    .breadcrumb:not(.breadcrumb-no-collapse)
        .breadcrumb-item:not(:first-child):not(:last-child):not(
            .breadcrumb-ellipsis
        ) {
        display: none;
    }

    .breadcrumb:not(.breadcrumb-no-collapse) .breadcrumb-ellipsis {
        display: flex;
    }
}

/* Print styles */
@media print {
    .breadcrumb {
        display: none;
    }

    .breadcrumb.breadcrumb-print {
        display: flex;
    }
}