/* Breadcrumbs Component */
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    padding: 0.75rem 1rem;
    transition: var(--transition-smooth);
}

/* Breadcrumb links */
.breadcrumb-link {
    color: rgba(var(--text-secondary), 0.9);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

@media (prefers-color-scheme: dark) {
    .breadcrumb-link {
        color: rgba(var(--text-secondary-dark), 0.9);
    }
}

.breadcrumb-link:hover {
    color: rgba(var(--primary-glow), 1);
    background: rgba(var(--primary-glow), 0.08);
    transform: translateY(-1px);
}

@media (prefers-color-scheme: dark) {
    .breadcrumb-link:hover {
        background: rgba(var(--primary-glow), 0.12);
    }
}

.breadcrumb-link:active {
    transform: translateY(0);
    transition: var(--transition-quick);
}

/* Current page indicator */
.breadcrumb-current {
    color: rgba(var(--text-primary), 1);
    font-weight: var(--font-weight-semibold);
    font-size: 0.875rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    background: rgba(var(--primary-glow), 0.05);
    border-left: 2px solid rgba(var(--primary-glow), 0.3);
}

@media (prefers-color-scheme: dark) {
    .breadcrumb-current {
        color: rgba(var(--text-primary-dark), 1);
        background: rgba(var(--primary-glow), 0.1);
        border-left-color: rgba(var(--primary-glow), 0.4);
    }
}

/* Separator */
.breadcrumb-separator {
    color: rgba(var(--text-muted), 0.6);
    font-size: 0.75rem;
    margin: 0 0.125rem;
    transition: var(--transition-smooth);
}

@media (prefers-color-scheme: dark) {
    .breadcrumb-separator {
        color: rgba(var(--text-muted-dark), 0.6);
    }
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .breadcrumb {
        padding: 0.625rem 0.875rem;
        margin-bottom: 1.25rem;
        gap: 0.375rem;
    }

    .breadcrumb-link,
    .breadcrumb-current {
        font-size: 0.8125rem;
        padding: 0.1875rem 0.375rem;
    }

    .breadcrumb-separator {
        font-size: 0.6875rem;
        margin: 0 0.0625rem;
    }
}

@media (max-width: 480px) {
    .breadcrumb {
        padding: 0.5rem 0.75rem;
        margin-bottom: 1rem;
        gap: 0.25rem;
    }

    .breadcrumb-link,
    .breadcrumb-current {
        font-size: 0.75rem;
        padding: 0.125rem 0.25rem;
    }

    /* Hide some breadcrumbs on very small screens */
    .breadcrumb-link:nth-last-child(n+4),
    .breadcrumb-separator:nth-last-child(n+4) {
        display: none;
    }

    /* Show ellipsis for hidden items */
    .breadcrumb::before {
        content: "...";
        color: rgba(var(--text-muted), 0.6);
        font-size: 0.75rem;
        margin-right: 0.25rem;
    }

    @media (prefers-color-scheme: dark) {
        .breadcrumb::before {
            color: rgba(var(--text-muted-dark), 0.6);
        }
    }
}

/* Focus states for accessibility */
.breadcrumb-link:focus-visible {
    outline: 2px solid rgba(var(--primary-glow), 0.6);
    outline-offset: 1px;
    background: rgba(var(--primary-glow), 0.1);
}

/* Animation for dynamic breadcrumbs */
@keyframes breadcrumbFadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.breadcrumb {
    animation: breadcrumbFadeIn 0.3s ease-out;
}

/* Special states */
.breadcrumb-link[aria-current="page"] {
    color: rgba(var(--text-primary), 1);
    font-weight: var(--font-weight-semibold);
    background: rgba(var(--primary-glow), 0.08);
}

@media (prefers-color-scheme: dark) {
    .breadcrumb-link[aria-current="page"] {
        color: rgba(var(--text-primary-dark), 1);
        background: rgba(var(--primary-glow), 0.12);
    }
}

/* Loading state */
.breadcrumb.loading {
    opacity: 0.7;
    pointer-events: none;
}

.breadcrumb.loading .breadcrumb-link,
.breadcrumb.loading .breadcrumb-current {
    background: linear-gradient(90deg,
        rgba(var(--text-muted), 0.1) 25%,
        rgba(var(--text-muted), 0.2) 50%,
        rgba(var(--text-muted), 0.1) 75%);
    background-size: 200% 100%;
    animation: loadingShimmer 1.5s infinite;
    color: transparent;
}

@media (prefers-color-scheme: dark) {
    .breadcrumb.loading .breadcrumb-link,
    .breadcrumb.loading .breadcrumb-current {
        background: linear-gradient(90deg,
            rgba(var(--text-muted-dark), 0.1) 25%,
            rgba(var(--text-muted-dark), 0.2) 50%,
            rgba(var(--text-muted-dark), 0.1) 75%);
        background-size: 200% 100%;
    }
}

@keyframes loadingShimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}