/**
 * Educational Subjects Selector Styles
 */

.education-subjects-selector {
    position: relative;
}

/* Selected tags display */
.selected-subjects-tags {
    margin-bottom: 0.75rem;
}

.selected-subjects-tags .tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.selected-subjects-tags .badge {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Search container */
.education-subjects-selector .search-container {
    position: relative;
}

.education-subjects-selector .clear-search-btn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Dropdown */
.education-subjects-selector .subjects-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 1050;
    background: var(--bg-white, #FFFFFF);
    border: 1px solid var(--border-color, #E2E8F0);
    border-radius: 0.375rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.08);
    margin-top: 0.25rem;
    color: var(--text-primary, #1E293B);
    max-height: 400px;
    overflow-y: auto;
}

.education-subjects-selector .subjects-tree {
    padding: 1rem;
    background-color: var(--bg-white, #FFFFFF);
}

/* Category groups */
.education-subjects-selector .category-group {
    border-bottom: 1px solid var(--border-color, #E2E8F0);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.education-subjects-selector .category-group:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

.education-subjects-selector .category-group h6 {
    color: var(--text-primary, #1E293B);
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold, 600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.75rem;
}

.education-subjects-selector .btn-group-sm .btn {
    font-size: 0.75rem;
    padding: 0.125rem 0.5rem;
}

/* Category children */
.education-subjects-selector .category-children {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.25rem;
}

.education-subjects-selector .form-check {
    margin-bottom: 0.25rem;
}

.education-subjects-selector .form-check-label {
    font-size: 0.875rem;
    cursor: pointer;
    user-select: none;
    color: var(--text-primary, #1E293B);
    font-weight: var(--font-weight-regular, 400);
}

.education-subjects-selector .form-check-label small {
    color: var(--text-secondary, #64748B);
    margin-left: 0.25rem;
}

/* Search results */
.education-subjects-selector .search-results {
    padding: 0;
}

.education-subjects-selector .search-results .form-check {
    padding: 0.5rem 1rem;
    margin: 0;
    border-bottom: 1px solid var(--border-color, #E2E8F0);
}

.education-subjects-selector .search-results .form-check:last-child {
    border-bottom: none;
}

.education-subjects-selector .search-results .form-check:hover {
    background-color: var(--bg-page, #F8FAFC);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .education-subjects-selector .category-children {
        grid-template-columns: 1fr;
    }
    
    .education-subjects-selector .subjects-dropdown {
        max-height: 70vh !important;
    }
}

/* Scrollbar styling */
.education-subjects-selector .subjects-dropdown::-webkit-scrollbar {
    width: 8px;
}

.education-subjects-selector .subjects-dropdown::-webkit-scrollbar-track {
    background: var(--bg-page, #F8FAFC);
    border-radius: 4px;
}

.education-subjects-selector .subjects-dropdown::-webkit-scrollbar-thumb {
    background: var(--border-color, #E2E8F0);
    border-radius: 4px;
}

.education-subjects-selector .subjects-dropdown::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary, #64748B);
}