/**
 * HVAC Breadcrumbs Styles
 * 
 * Clean, modern breadcrumb styling that matches the HVAC trainer interface
 * 
 * @package HVAC_Community_Events
 * @since 2.0.0
 */

/* Breadcrumb Container */
.hvac-breadcrumbs {
    margin: 0 0 20px 0;
    padding: 10px 0;
    border-bottom: 1px solid #e9ecef;
    background: transparent;
}

/* Breadcrumb List */
.hvac-breadcrumb-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0;
}

/* Breadcrumb Items */
.hvac-breadcrumb-item {
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
    font-size: 14px;
    line-height: 1.4;
}

.hvac-breadcrumb-item:not(:last-child) {
    margin-right: 8px;
}

/* Breadcrumb Links */
.hvac-breadcrumb-item a {
    color: #007cba;
    text-decoration: none;
    padding: 4px;
    border-radius: 3px;
    transition: all 0.2s ease;
}

.hvac-breadcrumb-item a:hover {
    color: #005a87;
    background-color: rgba(0, 124, 186, 0.1);
    text-decoration: none;
}

.hvac-breadcrumb-item a:focus {
    outline: 2px solid #007cba;
    outline-offset: 1px;
}

/* Current Page (Last Item) */
.hvac-breadcrumb-current .hvac-breadcrumb-current-text {
    color: #495057;
    font-weight: 600;
    padding: 4px;
}

/* Separators */
.hvac-breadcrumb-separator {
    color: #6c757d;
    margin: 0 8px;
    font-weight: normal;
    user-select: none;
}

/* Home Breadcrumb Special Styling */
.hvac-breadcrumb-home a {
    display: inline-flex;
    align-items: center;
}

.hvac-breadcrumb-home a::before {
    content: '🏠';
    margin-right: 4px;
    font-size: 12px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hvac-breadcrumbs {
        margin: 0 0 15px 0;
        padding: 8px 0;
    }
    
    .hvac-breadcrumb-item {
        font-size: 13px;
    }
    
    .hvac-breadcrumb-list {
        gap: 0;
    }
    
    .hvac-breadcrumb-separator {
        margin: 0 6px;
    }
    
    /* Stack breadcrumbs on very small screens if needed */
    @media (max-width: 480px) {
        .hvac-breadcrumb-list {
            flex-wrap: wrap;
        }
        
        .hvac-breadcrumb-item {
            font-size: 12px;
        }
    }
}

/* Dark Mode Support (if theme supports it) */
@media (prefers-color-scheme: dark) {
    .hvac-breadcrumbs {
        border-bottom-color: #495057;
    }
    
    .hvac-breadcrumb-item a {
        color: #66b3ff;
    }
    
    .hvac-breadcrumb-item a:hover {
        color: #99ccff; 
        background-color: rgba(102, 179, 255, 0.1);
    }
    
    .hvac-breadcrumb-current .hvac-breadcrumb-current-text {
        color: #f8f9fa;
    }
    
    .hvac-breadcrumb-separator {
        color: #adb5bd;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .hvac-breadcrumb-item a {
        border: 1px solid transparent;
    }
    
    .hvac-breadcrumb-item a:hover,
    .hvac-breadcrumb-item a:focus {
        border-color: currentColor;
        background-color: transparent;
    }
    
    .hvac-breadcrumb-separator {
        font-weight: bold;
    }
}

/* Print Styles */
@media print {
    .hvac-breadcrumbs {
        border-bottom: 1px solid #000;
        margin-bottom: 20px;
    }
    
    .hvac-breadcrumb-item a {
        color: #000;
        text-decoration: underline;
    }
    
    .hvac-breadcrumb-separator {
        color: #000;
    }
}

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

.hvac-breadcrumbs.hvac-breadcrumbs-updated {
    animation: breadcrumbFadeIn 0.3s ease-out;
}

/* Integration with existing HVAC styles */
.hvac-page-wrapper .hvac-breadcrumbs {
    margin-left: 0;
    margin-right: 0;
    padding-left: 0;
    padding-right: 0;
}

.hvac-container .hvac-breadcrumbs {
    margin-top: -10px;
    margin-bottom: 30px;
}

/* Ensure proper spacing with menu system */
.hvac-trainer-menu-wrapper + .hvac-breadcrumbs {
    margin-top: 20px;
}