/**
 * Stimulus Controllers Styles
 *
 * Custom styles for Stimulus controllers: DataTable, Modal, Select2, Collection, Tree
 */

/* ========================================
   DataTable Controller Styles
   ======================================== */

.datatable-wrapper {
    position: relative;
}

/* Sorted column header */
table th.sorted {
    background-color: rgba(13, 110, 253, 0.1);
    font-weight: 600;
}

table th[data-datatable-column] {
    user-select: none;
}

table th .sort-icon {
    font-size: 0.875rem;
    color: #6c757d;
}

table th.sorted .sort-icon {
    color: #0d6efd;
}

/* Loading state */
.datatable-loading {
    pointer-events: none;
}

/* ========================================
   Modal Controller Styles
   ======================================== */

/* Toast container */
.toast-container {
    z-index: 1090;
}

.toast .btn-close-white {
    filter: brightness(0) invert(1);
}

/* Modal loading spinner */
.modal-body .spinner-border {
    width: 3rem;
    height: 3rem;
}

/* ========================================
   Select2 Controller Styles
   ======================================== */

/* Hide original select */
.select2-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Select2 container */
.select2-container {
    position: relative;
    display: block;
}

/* Selection box */
.select2-selection {
    display: flex;
    align-items: center;
    position: relative;
    cursor: pointer;
    min-height: 38px;
    padding-right: 2rem;
}

.select2-selection__rendered {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    align-items: center;
}

.select2-selection__placeholder {
    color: #6c757d;
}

/* Selection arrow */
.select2-selection__arrow {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
}

.select2-container--open .select2-selection__arrow i {
    transform: rotate(180deg);
}

/* Clear button */
.select2-selection__clear {
    position: absolute;
    right: 2.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.75rem;
}

/* Multiple selection chips */
.select2-selection__choice {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

.select2-selection__choice__remove {
    margin-left: 0.25rem;
    padding: 0;
    border: 0;
}

/* Dropdown */
.select2-dropdown {
    position: absolute;
    left: 0;
    right: 0;
    z-index: 1050;
    margin-top: 0.25rem;
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 0.375rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    max-height: 300px;
    overflow: hidden;
}

/* Search box */
.select2-search {
    padding: 0.5rem;
    border-bottom: 1px solid #dee2e6;
}

/* Results container */
.select2-results {
    max-height: 250px;
    overflow-y: auto;
}

/* Result option */
.select2-results__option {
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    transition: background-color 0.15s ease-in-out;
}

.select2-results__option:hover {
    background-color: rgba(13, 110, 253, 0.1);
}

.select2-results__option--selected {
    background-color: rgba(13, 110, 253, 0.2);
    font-weight: 500;
}

.select2-results__option--disabled {
    color: #6c757d;
    cursor: not-allowed;
    opacity: 0.6;
}

.select2-results__option--disabled:hover {
    background-color: transparent;
}

/* Message states */
.select2-results__message {
    padding: 0.75rem;
    text-align: center;
    color: #6c757d;
}

/* ========================================
   Collection Controller Styles
   ======================================== */

/* Collection items */
.collection-item {
    transition: opacity 0.3s ease-out, transform 0.2s ease;
}

.collection-item:hover {
    transform: translateX(2px);
}

/* Counter */
.collection-counter {
    font-size: 0.875rem;
    font-weight: 500;
}

/* Validation alert */
.collection-validation-alert {
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Empty state */
.collection-empty {
    padding: 2rem;
    text-align: center;
    color: #6c757d;
    border: 2px dashed #dee2e6;
    border-radius: 0.375rem;
}

/* ========================================
   Tree View Controller Styles
   ======================================== */

/* Tree container */
.tree-view {
    font-size: 0.95rem;
}

/* Tree list */
.tree-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.tree-node .tree-list {
    padding-left: 1.5rem;
}

/* Tree node */
.tree-node {
    margin: 0;
    padding: 0;
}

.tree-node-content {
    display: flex;
    align-items: center;
    padding: 0.5rem 0.75rem;
    border-radius: 0.25rem;
    cursor: pointer;
    transition: background-color 0.15s ease-in-out;
}

.tree-node-content:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.tree-node-content.selected {
    background-color: rgba(13, 110, 253, 0.1);
    font-weight: 500;
    border-left: 3px solid #0d6efd;
}

/* Tree icons */
.tree-icon {
    cursor: pointer;
    margin-right: 0.5rem;
    font-size: 0.875rem;
    color: #6c757d;
    transition: transform 0.2s ease;
}

.tree-icon-spacer {
    display: inline-block;
    width: 1rem;
    margin-right: 0.5rem;
}

/* Node label */
.tree-node-label {
    flex: 1;
    user-select: none;
}

/* Node actions */
.tree-node-actions {
    display: none;
    gap: 0.25rem;
}

.tree-node-content:hover .tree-node-actions {
    display: flex;
}

.tree-node-actions .btn {
    padding: 0.125rem 0.25rem;
    font-size: 0.875rem;
}

/* Children container */
.tree-node-children {
    overflow: hidden;
    transition: all 0.3s ease;
}

/* Drag & drop states */
.tree-node.dragging {
    opacity: 0.5;
}

.tree-node.drag-over {
    background-color: rgba(13, 110, 253, 0.1);
    border: 2px dashed #0d6efd;
    border-radius: 0.25rem;
}

/* Tree empty state */
.tree-empty {
    text-align: center;
    color: #6c757d;
    font-style: italic;
}

/* ========================================
   Responsive Adjustments
   ======================================== */

@media (max-width: 768px) {
    /* DataTable */
    table th .sort-icon {
        font-size: 0.75rem;
    }

    /* Select2 dropdown */
    .select2-dropdown {
        max-height: 200px;
    }

    .select2-results {
        max-height: 150px;
    }

    /* Tree view */
    .tree-node .tree-list {
        padding-left: 1rem;
    }

    .tree-node-content {
        padding: 0.4rem 0.5rem;
        font-size: 0.9rem;
    }
}

/* ========================================
   Accessibility Improvements
   ======================================== */

/* Focus states */
.select2-selection:focus,
.tree-node-content:focus {
    outline: 2px solid #0d6efd;
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .collection-item,
    .tree-node-children,
    .tree-icon,
    .select2-results__option,
    .tree-node-content {
        transition: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .tree-node-content.selected,
    .select2-results__option--selected {
        border: 2px solid currentColor;
    }
}

/* ========================================
   Utility Classes
   ======================================== */

/* Loading state */
.stimulus-loading {
    pointer-events: none;
    opacity: 0.6;
}

/* Disabled state */
.stimulus-disabled {
    pointer-events: none;
    opacity: 0.5;
}

/* Transitions */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-down {
    animation: slideDown 0.3s ease-out;
}

/* Confirm Controller */
.btn.disabled,
button[type="submit"]:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

button[type="submit"][aria-busy="true"]::after {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-left: 0.5rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spinner 0.6s linear infinite;
}

@keyframes spinner {
    to { transform: rotate(360deg); }
}

/* ========================================
   JSON Editor Controller Styles
   ======================================== */

.json-editor-wrapper {
    margin-top: 0.5rem;
    display: flex;
    gap: 0.5rem;
}

.json-editor-wrapper .btn {
    font-size: 0.875rem;
}

/* JSON textarea states */
textarea.json-editor-valid {
    border-color: #198754;
    background-color: rgba(25, 135, 84, 0.05);
}

textarea.json-editor-valid:focus {
    border-color: #198754;
    box-shadow: 0 0 0 0.2rem rgba(25, 135, 84, 0.25);
}

textarea.json-editor-invalid {
    border-color: #dc3545;
    background-color: rgba(220, 53, 69, 0.05);
}

textarea.json-editor-invalid:focus {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

/* Status indicator */
.json-status {
    font-size: 0.875rem;
    margin-top: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-weight: 500;
    animation: slideDown 0.2s ease-out;
}

.json-status-valid {
    color: #155724;
    background-color: rgba(25, 135, 84, 0.1);
}

.json-status-invalid {
    color: #721c24;
    background-color: rgba(220, 53, 69, 0.1);
}

.json-status-empty {
    color: #856404;
    background-color: rgba(255, 193, 7, 0.1);
}