/**
 * Categories Sidebar - Dark Theme (based on YouTube-Manager category.css)
 * Tree structure for media categories
 */

/* Remove top spacing */
body:has(.app-layout) {
    margin: 0 !important;
    padding: 0 !important;
}

body:has(.app-layout) .design-nav,
body:has(.app-layout) nav.design-nav,
body:has(.app-layout) nav {
    margin-top: 0 !important;
    margin-bottom: 0 !important;
}

.design-nav + .app-layout {
    margin-top: 0 !important;
    padding-top: 0 !important;
}

/* === CONTAINER === */
.app-layout {
    display: flex;
    height: calc(100vh - 56px);
    overflow: hidden;
    margin: 0 !important;
    padding: 0 !important;
}

/* === SIDEBAR === */
.category-sidebar {
    width: 320px;
    flex-shrink: 0;
    height: 100%;
    background: var(--color-bg-card);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    z-index: 20;
}

.category-sidebar-header {
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-card);
    min-height: 63px;
    display: flex;
    align-items: center;
}

/* Light theme: верхняя часть категорий — чёрная (как navbar/rail). Инверсия токенов,
   включая brand-primary → светлый, чтобы icon-btn:hover (color=brand-primary) не
   был чёрным-на-чёрном. */
[data-theme="light"] .category-sidebar-header {
    background: var(--color-bg-inverse);
    border-bottom-color: var(--color-border-on-inverse);
    --color-text-primary: var(--color-text-on-inverse-strong);
    --color-text: var(--color-text-on-inverse);
    --color-text-secondary: var(--color-text-on-inverse-muted);
    --color-border: var(--color-border-on-inverse);
    --color-brand-primary: var(--color-text-on-inverse-strong);
    --color-brand-primary-15: var(--color-border-on-inverse);
    --color-brand-primary-20: color-mix(in srgb, var(--color-text-on-accent) 18%, transparent);
}

.sidebar-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.category-sidebar-header h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0;
    letter-spacing: -0.02em;
}

.category-sidebar-actions {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.category-expand-controls {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.category-expand-controls[hidden] {
    display: none !important;
}

.cat-icon-btn {
    padding: 0.375rem;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cat-icon-btn:hover {
    background: var(--color-border);
    color: var(--color-brand-primary);
}

.cat-icon-btn.cat-primary {
    background: var(--color-brand-primary-15);
    color: var(--color-brand-primary);
}

.cat-icon-btn.cat-primary:hover {
    background: var(--color-brand-primary-20);
}

.cat-divider {
    width: 1px;
    height: 20px;
    background: var(--color-border);
    margin: 0 0.25rem;
    align-self: center;
}

.cat-mobile-close-divider,
.cat-mobile-close-btn {
    display: none;
}

.category-sidebar-project {
    padding: 0 1rem;
    margin-top: 0.5rem;
}

.category-sidebar-project .dropdown-custom {
    width: 100%;
}

.category-sidebar-project .dropdown-custom-toggle {
    min-height: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    padding: 0.5rem 0.875rem;
    background: var(--color-bg-page);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 14px;
    color: var(--color-text);
    transition: border-color 0.2s;
}

.category-sidebar-project .dropdown-custom-toggle:hover,
.category-sidebar-project .dropdown-custom.open .dropdown-custom-toggle {
    border-color: var(--color-brand-primary);
}

.category-sidebar-project .dropdown-custom-menu {
    min-width: 100%;
    margin-top: 0.35rem;
}

/* Project items are <a> links; without this the global a:hover/selected
   (reset.css) repaints them blue. Keep the canonical dropdown look:
   neutral text + subtle hover/selected bg + purple check (forms.css ::after). */
.category-sidebar-project .dropdown-custom-item,
.category-sidebar-project .dropdown-custom-item:hover,
.category-sidebar-project .dropdown-custom-item:visited,
.category-sidebar-project .dropdown-custom-item.selected {
    color: var(--color-text);
}

/* === SEARCH === */
.cat-search-wrapper {
    position: relative;
    padding: 0 1rem;
    margin-top: 0.5rem;
}

.cat-search-icon {
    position: absolute;
    right: 1.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
    pointer-events: none;
    width: 16px;
    height: 16px;
}

.cat-search-input {
    width: 100%;
    height: 40px;
    padding: 0.5rem 2.4rem 0.5rem 0.875rem;
    background: var(--color-bg-page);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 14px;
    color: var(--color-text);
    transition: all 0.2s;
    box-sizing: border-box;
}

.cat-search-input:hover {
    border-color: var(--color-brand-primary);
}

.cat-search-input:focus {
    outline: none;
    border-color: var(--color-brand-primary);
}

/* Скрыть нативный крестик очистки у type=search */
.cat-search-input::-webkit-search-cancel-button {
    -webkit-appearance: none;
    appearance: none;
    display: none;
}

.cat-search-input::placeholder {
    color: var(--color-text-secondary);
}

.cat-search-divider {
    margin: 0.5rem 0 0.75rem;
    border-top: 1px dashed var(--color-border);
    opacity: 0.9;
}

/* === TREE === */
.cat-tree-wrapper {
    flex-grow: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0.5rem 0;
}

.tree-node-separator {
    margin: 0.5rem 0.75rem;
    border-top: 1px dashed var(--color-border);
    opacity: 0.9;
}

/* Prevent first-paint flicker before JS applies final tree state */
.cat-tree-wrapper.tree-pending {
    visibility: hidden;
}

.cat-tree-wrapper::-webkit-scrollbar {
    width: 8px;
}

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

.cat-tree-wrapper::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

.cat-tree-wrapper::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-secondary);
}

/* Tree node */
.tree-node {
    position: relative;
    user-select: none;
}

.tree-node-content {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 0.375rem 1rem;
    margin: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    text-align: left;
    cursor: pointer;
    transition: background-color 0.16s ease, color 0.16s ease;
    color: var(--color-text);
    position: relative;
    max-width: 100%;
    box-sizing: border-box;
}

.tree-node-content:hover {
    background: var(--color-border);
    /* tree-node-content may be an <a> (e.g. providers sidebar); without this the
       global a:hover (reset.css) repaints the label blue on hover. Keep the normal
       text color so anchor and non-anchor sidebars hover identically. */
    color: var(--color-text);
}

.tree-node-content.active {
    background: var(--color-brand-primary-15);
    color: var(--color-brand-primary);
}

/* Light theme: hover — светло-серый (base hover = var(--color-border) = near-black,
   иначе заливает чёрным). Активная категория — ПОЛНАЯ чёрная заливка, всё внутри белое. */
[data-theme="light"] .tree-node-content:hover {
    background: var(--color-bg-card-hover);
    color: var(--color-text);
}
[data-theme="light"] .tree-node-content.active {
    background: var(--color-bg-inverse);
    color: var(--color-text-on-accent);
    font-weight: 600;
    box-shadow: none;
}
[data-theme="light"] .tree-node-content.active .tree-name,
[data-theme="light"] .tree-node-content.active .tree-count,
[data-theme="light"] .tree-node-content.active .folder-icon,
[data-theme="light"] .tree-node-content.active .tree-icon svg {
    color: var(--color-text-on-accent);
}

.tree-node-content.drag-over {
    background: var(--color-brand-primary-20);
    box-shadow: inset 0 0 0 2px var(--color-brand-primary);
}

/* Nested levels */
.tree-node.level-1 .tree-node-content {
    padding-left: 1rem;
    position: relative;
}

.tree-node.level-2 .tree-node-content {
    padding-left: 2rem;
}

.tree-node.level-3 .tree-node-content {
    padding-left: 3rem;
}

.tree-node.level-4 .tree-node-content {
    padding-left: 4rem;
}

/* Visual depth clamp: keep tree readable with sliding depth window */
.tree-node.vlevel-1 .tree-node-content {
    padding-left: 1rem;
}

.tree-node.vlevel-2 .tree-node-content {
    padding-left: 2rem;
}

.tree-node.vlevel-3 .tree-node-content {
    padding-left: 3rem;
}

.tree-node.hidden-by-depth-window {
    display: none !important;
}

/* Chevron (toggle arrow) */
.tree-chevron {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    margin-right: 0.25rem;
    transition: transform 0.2s;
    color: var(--color-text-secondary);
    flex-shrink: 0;
}

.tree-chevron:hover {
    background: color-mix(in srgb, var(--color-text-on-accent) 5%, transparent);
}

.tree-chevron.expanded {
    transform: rotate(90deg);
}

.tree-chevron.invisible {
    opacity: 0;
    pointer-events: none;
}

/* Top system categories (without level-*) should not reserve chevron spacing */
.tree-node:not([class*="level-"]) .tree-chevron.invisible {
    width: 0;
    margin-right: 0;
}

/* Custom categories should always keep arrow slot width for alignment */
.tree-node[class*="level-"] .tree-chevron.invisible {
    width: 20px;
    margin-right: 0.25rem;
}

.tree-chevron svg {
    stroke-width: 2.5;
}

/* Voice picker: keep every top-level provider's microphone icon in one column.
   Chevron-less rows collapse their arrow slot to 0 (global rule above), so their mic
   sits at the content's left padding. An expandable row (ElevenLabs) would otherwise
   push its mic right and break that alignment — so take its visible arrow OUT of flow
   and pin it in the left-padding gutter, right before the mic. The mic never moves. */
.voice-lab-provider-tree .tree-node:not([class*="level-"]) > .tree-node-content {
    position: relative;
}
.voice-lab-provider-tree .tree-node:not([class*="level-"]) > .tree-node-content > .tree-chevron:not(.invisible) {
    position: absolute;
    left: -0.15rem;
    width: 1rem;
    margin-right: 0;
}

/* Voice picker: a lane/engine whose backend is temporarily down (route_health /
   server availability overlay). Greyed but still clickable; the reason rides a
   data-tooltip. Mirrors the «Временно недоступен» muting from the providers page,
   adapted to the tree row. */
.tree-node-content.lane-unavailable .tree-name,
.tree-node-content.lane-unavailable .tree-count,
.tree-node-content.lane-unavailable .folder-icon {
    color: var(--color-text-secondary);
    opacity: 0.55;
}

/* Icon */
.tree-icon {
    margin-right: 0.625rem;
    transition: color 0.2s;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.tree-node-content:hover .tree-icon {
    color: var(--color-text);
}

.tree-node-content.active .tree-icon {
    color: var(--color-brand-primary);
}

/* Folder icon color */
.tree-icon svg.folder-icon {
    color: currentColor;
}

/* Label */
.tree-label {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.tree-name {
    display: block;
    flex: 1;
    min-width: 0;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tree-node-content.has-hidden-ancestors .tree-label::before {
    content: "↥";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1rem;
    margin-right: 0.35rem;
    color: var(--color-text-secondary);
    opacity: 0.85;
    flex-shrink: 0;
}

.tree-node-content.active.has-hidden-ancestors .tree-label::before {
    color: var(--color-brand-primary);
}

.tree-name-edit-input {
    width: 100%;
    min-width: 120px;
    height: 24px;
    border-radius: 6px;
    border: 1px solid var(--color-brand-primary);
    background: var(--color-bg-page);
    color: var(--color-text-primary);
    font-size: 14px;
    font-weight: 500;
    padding: 0 0.5rem;
    outline: none;
}

.tree-name-edit-input:focus {
    box-shadow: 0 0 0 2px var(--color-brand-primary-20);
}

.tree-node-actions {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-left: 0.5rem;
    flex-shrink: 0;
}

/* Count badge */
.tree-count {
    font-size: 10px;
    color: var(--color-text-secondary);
    font-weight: 500;
    background: var(--color-bg-page);
    padding: 0 0.375rem;
    border-radius: 9999px;
    border: 1px solid var(--color-border);
    margin-left: 0.5rem;
    flex-shrink: 0;
}

/* An empty count pill renders as a stray «—» dash (e.g. lane rows with no own count) —
   hide it so the sidebar reads clean (owner). */
.tree-count:empty {
    display: none;
}

.tree-node-actions .tree-count {
    margin-left: 0;
}

.tree-node-content.active .tree-count {
    color: var(--color-brand-primary);
    background: var(--color-brand-primary-10);
    border-color: var(--color-brand-primary);
}

.tree-more-btn {
    width: 20px;
    height: 20px;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--color-text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.15s ease, color 0.15s ease, background-color 0.15s ease;
}

.tree-node-content:hover .tree-more-btn,
.tree-node-content.active .tree-more-btn,
.tree-more-btn.menu-open {
    opacity: 1;
}

.tree-more-btn:hover {
    color: var(--color-brand-primary);
    background: var(--color-brand-primary-10);
}

/* Hidden nodes */
.tree-node.hidden {
    display: none;
}

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

.cat-tree-wrapper.search-active .tree-node.search-hidden,
.cat-tree-wrapper.search-active .tree-node-separator.search-hidden {
    display: none !important;
}

.cat-tree-wrapper.search-active .tree-node-content.search-match {
    border-color: var(--color-brand-primary-40);
    background: var(--color-brand-primary-10);
}

.cat-tree-wrapper.search-active .tree-node-content.search-match .tree-name {
    color: var(--color-brand-primary);
}

.cat-search-empty {
    margin: 0.25rem 0.75rem 0.6rem;
    padding: 0.7rem 0.8rem;
    border: 1px dashed var(--color-border);
    border-radius: 10px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    background: color-mix(in srgb, var(--color-bg-card) 86%, transparent);
}

.cat-search-empty.hidden {
    display: none;
}

/* === MAIN CONTENT AREA === */
.main-content-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.main-content-area .page-layout {
    max-width: none !important;
    margin: 0 !important;
    padding: 1.5rem !important;
    width: 100%;
}

.main-content-area .ph-title-section {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.main-content-area .filter-bar {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.main-content-area .media-grid-container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}