/**
 * Expandable Dropdown Component Styles
 * Reusable expandable checkbox-based dropdown pattern
 * Reference: job-finder.html ServiceNow Modules dropdown
 */

/* Container */
.expandable-dropdown {
    position: relative;
    width: 100%;
}

/* Clickable Header */
.expandable-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-tertiary, #17181B);
    border: 1px solid var(--border-color, #26272B);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
    color: var(--text-primary, #F4F4F5);
}

.expandable-header:hover {
    border-color: var(--accent-blue, #75DBD3);
    background: #2a2a2a;
}

/* Chevron Icon Animation */
.expandable-header .expandable-chevron {
    transition: transform 0.3s ease;
    color: var(--text-secondary, #A6A7AD);
}

.expandable-header.open .expandable-chevron {
    transform: rotate(180deg);
}

/* Selected Text Display */
.expandable-header .expandable-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-right: 10px;
}

/* Dropdown List Container */
.expandable-list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary, #111112);
    border: 1px solid var(--border-color, #26272B);
    border-radius: 8px;
    margin-top: 4px;
    padding: 12px;
    z-index: 100;
    max-height: 400px;
    overflow-y: auto;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

/* Category Groups */
.expandable-category {
    margin-bottom: 16px;
}

.expandable-category:last-of-type {
    margin-bottom: 0;
}

/* Category Title */
.expandable-category-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--accent-blue, #75DBD3);
    margin-bottom: 8px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border-color, #26272B);
    letter-spacing: 0.5px;
}

/* Checkbox Items */
.expandable-checkbox {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    margin: 4px 0;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s ease;
    font-size: 13px;
    color: var(--text-primary, #F4F4F5);
}

.expandable-checkbox:hover {
    background: var(--bg-tertiary, #17181B);
}

/* Checkbox Input */
.expandable-checkbox input[type="checkbox"] {
    margin-right: 10px;
    width: 16px;
    height: 16px;
    accent-color: var(--accent-blue, #75DBD3);
    cursor: pointer;
    flex-shrink: 0;
}

/* Action Buttons Container */
.expandable-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color, #26272B);
}

/* Action Buttons */
.expandable-actions .btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 4px;
    background: var(--bg-tertiary, #17181B);
    border: 1px solid var(--border-color, #26272B);
    color: var(--text-primary, #F4F4F5);
    cursor: pointer;
    transition: all 0.15s ease;
}

.expandable-actions .btn-sm:hover {
    background: var(--accent-blue, #75DBD3);
    border-color: var(--accent-blue, #75DBD3);
    color: var(--accent-ink, #04211F);
}

/* Badge for showing selection count */
.expandable-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: var(--accent-blue, #75DBD3);
    color: var(--accent-ink, #04211F);
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    margin-left: 8px;
}

/* Scrollbar styling for the list */
.expandable-list::-webkit-scrollbar {
    width: 8px;
}

.expandable-list::-webkit-scrollbar-track {
    background: var(--bg-tertiary, #17181B);
    border-radius: 4px;
}

.expandable-list::-webkit-scrollbar-thumb {
    background: var(--border-color, #26272B);
    border-radius: 4px;
}

.expandable-list::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue, #75DBD3);
}

/* Disabled state */
.expandable-dropdown.disabled .expandable-header {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* Search box within dropdown (optional) */
.expandable-search {
    width: 100%;
    padding: 8px 12px;
    margin-bottom: 12px;
    background: var(--bg-tertiary, #17181B);
    border: 1px solid var(--border-color, #26272B);
    border-radius: 6px;
    color: var(--text-primary, #F4F4F5);
    font-size: 13px;
}

.expandable-search:focus {
    outline: none;
    border-color: var(--accent-blue, #75DBD3);
}

.expandable-search::placeholder {
    color: var(--text-secondary, #A6A7AD);
}

/* No results message */
.expandable-no-results {
    padding: 16px;
    text-align: center;
    color: var(--text-secondary, #A6A7AD);
    font-size: 13px;
}

/* Single select mode (radio buttons instead of checkboxes) */
.expandable-dropdown.single-select .expandable-checkbox input[type="radio"] {
    margin-right: 10px;
    width: 16px;
    height: 16px;
    accent-color: var(--accent-blue, #75DBD3);
    cursor: pointer;
    flex-shrink: 0;
}