/* ===================================================================
   Inline Breadcrumb Navigation - Minimalist Design
   Lightweight breadcrumb navigation with integrated back button
   =================================================================== */

/* Breadcrumb Navigation Container */
.breadcrumb-navigation {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    padding: 4px 0;
    gap: 8px;
    min-height: 32px;
    width: 100%;
    margin-bottom: 8px;
}

/* Back Button */
.nav-back-button {
    flex-shrink: 0;
    transition: opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-back-button:hover {
    opacity: 0.8;
}

/* Breadcrumb Trail - Override MudBreadcrumbs defaults */
.breadcrumb-trail {
    display: inline-flex !important;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    font-size: 0.8125rem;
    flex: 1;
    min-width: 0; /* Allow proper shrinking */
}

/* Breadcrumb Links */
.breadcrumb-link {
    color: var(--mud-palette-primary);
    text-decoration: none;
    transition: opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    padding: 2px 4px;
    border-radius: 3px;
    font-weight: 400;
}

.breadcrumb-link:hover {
    opacity: 0.7;
    text-decoration: underline;
}

.breadcrumb-link:focus-visible {
    outline: 2px solid var(--mud-palette-primary);
    outline-offset: 2px;
}

/* Current Page in Breadcrumb */
.breadcrumb-current {
    color: var(--mud-palette-text-primary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    padding: 2px 4px;
}

/* Breadcrumb Ellipsis */
.breadcrumb-ellipsis {
    color: var(--mud-palette-text-secondary);
    padding: 0 2px;
    user-select: none;
    font-weight: 400;
}

/* ===================================================================
   Responsive Design - Mobile & Tablet
   =================================================================== */

@media (max-width: 768px) {
    .breadcrumb-navigation {
        padding: 2px 0;
        min-height: 28px;
        gap: 6px;
    }

    .breadcrumb-trail {
        font-size: 0.75rem;
        gap: 4px;
    }

    .breadcrumb-link,
    .breadcrumb-current {
        padding: 1px 2px;
    }
}

@media (max-width: 480px) {
    .breadcrumb-navigation {
        margin-bottom: 6px;
    }

    .breadcrumb-trail {
        font-size: 0.7rem;
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: thin;
    }
}

/* ===================================================================
   Dark Mode Support
   =================================================================== */

@media (prefers-color-scheme: dark) {
    .breadcrumb-link {
        color: var(--mud-palette-primary-lighten);
    }

    .breadcrumb-current {
        color: var(--mud-palette-text-primary);
    }

    .breadcrumb-ellipsis {
        color: var(--mud-palette-text-disabled);
    }
}

/* ===================================================================
   Accessibility Enhancements
   =================================================================== */

/* Focus states for keyboard navigation */
.breadcrumb-navigation [aria-label]:focus-visible {
    outline: 2px solid var(--mud-palette-primary);
    outline-offset: 2px;
    border-radius: 3px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .breadcrumb-link,
    .nav-back-button {
        transition: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .breadcrumb-link {
        text-decoration: underline;
    }
}

/* ===================================================================
   Print Styles
   =================================================================== */

@media print {
    .breadcrumb-navigation {
        margin-bottom: 6px;
    }

    .nav-back-button {
        display: none;
    }

    .breadcrumb-trail {
        font-size: 9pt;
    }

    .breadcrumb-link {
        color: #000;
        text-decoration: none;
    }

    .breadcrumb-current {
        font-weight: bold;
    }
}