/**
 * TreeSelect Component Styles - Premium Design
 * Matches Project 'History' Aesthetics
 */

/* ========================================
   VARIABLES & TOKENS
   ======================================== */
.tree-select {
    --ts-primary: var(--color-primary, #007bff);
    --ts-primary-soft: rgba(59, 130, 246, 0.1);
    --ts-primary-hover: var(--color-primary-hover, #0056b3);

    --ts-danger: #ef4444;
    --ts-danger-soft: rgba(239, 68, 68, 0.1);

    --ts-border: var(--color-border, #e9ecef);
    --ts-border-hover: var(--color-primary-hover, #ced4da);

    --ts-bg: var(--color-bg-card, #ffffff);
    --ts-bg-hover: var(--color-bg, #f8f9fa);

    --ts-text: var(--color-text, #333);
    --ts-text-muted: var(--color-text-muted, #6c757d);

    --ts-radius: 12px;
    --ts-shadow: var(--card-shadow, 0 4px 12px rgba(0, 0, 0, 0.1));
    --ts-shadow-focus: 0 0 0 3px rgba(59, 130, 246, 0.15);

    position: relative;
    width: 100%;
    font-family: inherit;
}

/* ========================================
   TAGS CONTAINER
   ======================================== */
.tree-select-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.tree-select-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 50rem;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

/* Included Tag (Primary) */
.tree-select-tag-included {
    background: var(--ts-primary-soft);
    color: var(--ts-primary);
    border-color: rgba(0, 123, 255, 0.15);
}

.tree-select-tag-included:hover {
    background: rgba(0, 123, 255, 0.15);
}

/* Excluded Tag (Danger) */
.tree-select-tag-excluded {
    background: var(--ts-danger-soft);
    color: var(--ts-danger);
    border-color: rgba(220, 53, 69, 0.15);
}

.tree-select-tag-excluded:hover {
    background: rgba(220, 53, 69, 0.15);
}

.tree-select-tag-prefix {
    font-weight: 600;
    opacity: 0.8;
}

.tree-select-tag-remove {
    cursor: pointer;
    font-size: 16px;
    opacity: 0.6;
    line-height: 1;
    display: flex;
    align-items: center;
    border-radius: 50%;
    padding: 2px;
    transition: all 0.2s;
}

.tree-select-tag-remove:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.05);
}

/* ========================================
   DISPLAY (TRIGGER)
   ======================================== */
.tree-select-display {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border: 1px solid var(--ts-border);
    border-radius: var(--ts-radius);
    background: var(--ts-bg);
    cursor: pointer;
    min-height: 48px;
    transition: all 0.2s cubic-bezier(0.165, 0.84, 0.44, 1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

.tree-select-display:hover {
    border-color: var(--ts-border-hover);
    background: var(--color-bg);
    box-shadow: var(--card-shadow-hover);
}

.tree-select.open .tree-select-display {
    border-color: var(--ts-primary);
    background: var(--color-bg);
    box-shadow: var(--ts-shadow-focus);
}

.tree-select-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 15px;
    color: var(--ts-text-muted);
}

.tree-select-text.has-selection {
    color: var(--ts-text);
    font-weight: 500;
}

.tree-select-arrow {
    font-size: 12px;
    color: var(--ts-text-muted);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    margin-left: 12px;
    opacity: 0.7;
}

.tree-select.open .tree-select-arrow {
    transform: rotate(180deg);
    color: var(--ts-primary);
    opacity: 1;
}

/* ========================================
   DROPDOWN (GLASSMORPHISM)
   ======================================== */
.tree-select-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--ts-radius);
    box-shadow: var(--card-shadow);
    z-index: 1050;
    display: none;
    flex-direction: column;
    /* FLEX LAYOUT FOR SCROLLING */
    overflow: hidden;
    animation: treeSelectFadeIn 0.2s ease forwards;
}

@keyframes treeSelectFadeIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tree-select.open .tree-select-dropdown {
    display: flex;
}

/* ========================================
   SEARCH INPUT
   ======================================== */
.tree-select-search {
    width: 100%;
    padding: 14px 16px;
    border: none;
    border-bottom: 1px solid var(--ts-border);
    font-size: 14px;
    outline: none;
    background: transparent;
    color: var(--ts-text);
    flex-shrink: 0;
    /* Keep search fixed at top */
}

.tree-select-search::placeholder {
    color: #adb5bd;
}

/* ========================================
   TREE CONTAINER
   ======================================== */
.tree-select-tree {
    overflow-y: auto;
    padding: 8px 0;
    flex: 1;
    /* Scroll this area */
    min-height: 0;
}

.tree-select-tree::-webkit-scrollbar {
    width: 6px;
}

.tree-select-tree::-webkit-scrollbar-track {
    background: transparent;
}

.tree-select-tree::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}

.tree-select-tree::-webkit-scrollbar-thumb:hover {
    background-color: rgba(0, 0, 0, 0.2);
}

.tree-select-loading,
.tree-select-empty,
.tree-select-error {
    padding: 30px;
    text-align: center;
    color: var(--ts-text-muted);
    font-size: 14px;
}

.tree-select-error {
    color: var(--ts-danger);
    background: var(--ts-danger-soft);
    margin: 10px;
    border-radius: 8px;
}

/* ========================================
   TREE NODE
   ======================================== */
.tree-select-node {
    position: relative;
    flex-shrink: 0;
}

.tree-select-node.hidden {
    display: none;
}

.tree-select-node-content {
    display: flex;
    align-items: center;
    padding: 8px 16px 8px 8px;
    cursor: pointer;
    transition: background 0.15s ease;
    gap: 8px;
    margin: 2px 8px;
    border-radius: 6px;
    user-select: none;
}

.tree-select-node-content:hover {
    background: var(--ts-bg-hover);
}

/* Highlighted (Keyboard navigation) */
.tree-select-node.highlighted>.tree-select-node-content {
    background: rgba(var(--bs-primary-rgb), 0.05);
}

/* Search Matches */
.tree-select-node.search-match>.tree-select-node-content {
    background: rgba(var(--bs-primary-rgb), 0.05);
    /* Soft match */
}

.tree-select-node.search-match>.tree-select-node-content:hover {
    background: rgba(var(--bs-primary-rgb), 0.1);
}

/* Included state node (Light Blue bg) */
.tree-select-node.included>.tree-select-node-content {
    background: var(--ts-primary-soft);
}

.tree-select-node.included>.tree-select-node-content:hover {
    background: rgba(0, 123, 255, 0.15);
}

/* Excluded state node (Light Red bg) */
.tree-select-node.excluded>.tree-select-node-content {
    background: var(--ts-danger-soft);
}

.tree-select-node.excluded>.tree-select-node-content:hover {
    background: rgba(220, 53, 69, 0.15);
}

/* ========================================
   EXPANDER
   ======================================== */
.tree-select-expander {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: var(--ts-text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
    border-radius: 4px;
}

.tree-select-expander:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--ts-text);
}

.tree-select-expander.has-children:hover {
    color: var(--ts-primary);
}

.tree-select-expander.leaf {
    color: var(--ts-border);
    cursor: default;
}

.tree-select-expander.leaf:hover {
    background: transparent;
}

/* ========================================
   NODE NAME & BADGE
   ======================================== */
.tree-select-node-name {
    flex: 1;
    font-size: 14px;
    color: var(--ts-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 400;
}

.tree-select-node.included .tree-select-node-name {
    font-weight: 500;
    color: var(--ts-primary);
}

.tree-select-node.excluded .tree-select-node-name {
    font-weight: 500;
    color: var(--ts-danger);
    text-decoration: line-through;
    opacity: 0.8;
}

/* Type badge с эмодзи */
.tree-select-type-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    margin-left: 6px;
    opacity: 0.7;
    transition: opacity 0.2s ease;
    cursor: help;
    flex-shrink: 0;
}

.tree-select-node-content:hover .tree-select-type-badge {
    opacity: 1;
}

/* Подсветка при наведении для подсказки */
.tree-select-node-name[title] {
    cursor: help;
}

/* ========================================
   ACTION BUTTONS
   ======================================== */
.tree-select-node-actions {
    display: flex;
    gap: 6px;
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
    flex-shrink: 0;
    transform: translateX(10px);
}

/* Always show actions on hover or active state */
.tree-select-node-content:hover .tree-select-node-actions,
.tree-select-node.included .tree-select-node-actions,
.tree-select-node.excluded .tree-select-node-actions,
.tree-select-node.highlighted .tree-select-node-actions {
    opacity: 1;
    transform: translateX(0);
}

.tree-select-include,
.tree-select-exclude {
    width: 26px;
    height: 26px;
    border: 1px solid var(--ts-border);
    border-radius: 6px;
    background: var(--ts-bg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--ts-text-muted);
    transition: all 0.2s;
    padding: 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* Include Button Styles */
.tree-select-include:hover {
    border-color: var(--ts-primary);
    color: var(--ts-primary);
    background: var(--ts-primary-soft);
}

.tree-select-include.active {
    background: var(--ts-primary);
    border-color: var(--ts-primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(0, 123, 255, 0.3);
}

/* Exclude Button Styles */
.tree-select-exclude:hover {
    border-color: var(--ts-danger);
    color: var(--ts-danger);
    background: var(--ts-danger-soft);
}

.tree-select-exclude.active {
    background: var(--ts-danger);
    border-color: var(--ts-danger);
    color: #fff;
    box-shadow: 0 2px 8px rgba(220, 53, 69, 0.3);
}

/* ========================================
   LOADERS & SPINNERS
   ======================================== */
.tree-select-spinner,
.tree-select-spinner-small {
    display: inline-block;
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-top-color: var(--ts-primary);
    border-radius: 50%;
    animation: tree-select-spin 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
}

.tree-select-spinner {
    width: 24px;
    height: 24px;
    border-width: 3px;
}

.tree-select-spinner-small {
    width: 14px;
    height: 14px;
    vertical-align: middle;
    margin-right: 8px;
}

.tree-select-node.loading .tree-select-expander {
    animation: tree-select-spin 0.8s linear infinite;
    color: var(--ts-primary);
}

@keyframes tree-select-spin {
    to {
        transform: rotate(360deg);
    }
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 576px) {
    .tree-select-display {
        padding: 10px 14px;
        min-height: 44px;
    }

    .tree-select-node-content {
        padding: 10px 10px;
    }

    .tree-select-node-actions {
        opacity: 1;
        transform: none;
    }
}

/* ========================================
   HIDE OLD REGION UI WHEN TREE-SELECT ACTIVE
   ======================================== */
/* Когда TreeSelect активен, скрываем все старые элементы управления регионами */
#region-container[data-tree-select-active="true"]>.combobox-wrapper,
#region-container[data-tree-select-active="true"]>#selected-region-tags,
#region-container[data-tree-select-active="true"]>#region-hint,
#region-container[data-tree-select-active="true"]>#add-region-btn,
#region-container[data-tree-select-active="true"]>#exclude-regions-container,
#region-container[data-tree-select-active="true"]>.searchable-select-container,
#region-container[data-tree-select-active="true"]>.form-select {
    display: none !important;
}

/* Скрываем также вложенные элементы */
#region-container[data-tree-select-active="true"] .searchable-select-container,
#region-container[data-tree-select-active="true"] .form-select:not(.tree-select *) {
    display: none !important;
}


/* ========================================
   SEARCH RESULTS STYLES
   ======================================== */

/* Search result item */
.tree-select-search-result {
    border-bottom: 1px solid var(--ts-border);
}

.tree-select-search-result:last-child {
    border-bottom: none;
}

.tree-select-search-result .tree-select-node-content {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px !important;
}

/* Search icon (type emoji) */
.tree-select-search-icon {
    flex-shrink: 0;
    font-size: 1.1em;
    width: 24px;
    text-align: center;
}

/* Name wrapper with path */
.tree-select-node-name-wrapper {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

/* Parent path breadcrumb */
.tree-select-parent-path {
    font-size: 0.75em;
    color: var(--ts-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Highlight search match */
.tree-select-search-result.search-match .tree-select-node-name {
    font-weight: 600;
}

/* Loading state in search */
.tree-select-search-result .tree-select-loading {
    padding: 20px;
    text-align: center;
}