/* Linkooc Menu Editor Styles */
/* 
 * PHASE 3 ALIGNMENT: Uses --linkooc-* CSS variables from the Visual Identity theme.
 * All spacing, typography, transitions, and colors are mapped for consistency.
 */

/* ===== Variables ===== */
:root {
    /* Primary colors - map to Linkooc green theme */
    --me-primary: var(--linkooc-button-primary, #08781B);
    --me-primary-hover: var(--linkooc-green-var-2, #11671E);
    --me-primary-subtle: var(--linkooc-hover-second-bg, #e7f1e8);
    
    /* Semantic colors */
    --me-danger: var(--linkooc-red-var-1, #BA1919);
    --me-danger-hover: var(--linkooc-red-var-2, #A11111);
    --me-success: var(--linkooc-green-var-1, #197C28);
    --me-warning: var(--linkooc-orange-var-1, #FFA500);
    --me-info: var(--linkooc-blue-var-1, #197CBA);
    
    /* Backgrounds */
    --me-bg: var(--linkooc-bg, #FFFFFF);
    --me-bg-hover: var(--linkooc-hover-bg, #F7F7F8);
    --me-bg-selected: var(--linkooc-hover-second-bg, #e7f1e8);
    --me-surface: var(--linkooc-second-bg, #FEFEFE);
    
    /* Borders & text */
    --me-border: var(--linkooc-border-color, #dee2e6bf);
    --me-text: var(--linkooc-text, #000601);
    --me-text-muted: var(--linkooc-text-secondary, #6d6d6d);
    --me-text-display: var(--linkooc-text-display-second, #22AD01);
    
    /* Effects - aligned with Visual Identity */
    --me-shadow: var(--linkooc-shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.1));
    --me-shadow-md: var(--linkooc-shadow-md, 0 4px 6px -1px rgba(0, 0, 0, 0.1));
    --me-shadow-lg: var(--linkooc-shadow-lg, 0 10px 15px -3px rgba(0, 0, 0, 0.1));
    --me-radius: var(--linkooc-radius, 1.5rem);
    --me-radius-sm: var(--linkooc-radius-sm, 0.5rem);
    --me-radius-md: 0.75rem;
    
    /* Spacing - aligned with Visual Identity */
    --me-spacing-xs: var(--linkooc-spacing-xs, 0.25rem);
    --me-spacing-sm: var(--linkooc-spacing-sm, 0.5rem);
    --me-spacing-md: var(--linkooc-spacing-md, 1rem);
    --me-spacing-lg: var(--linkooc-spacing-lg, 1.5rem);
    --me-spacing-xl: var(--linkooc-spacing-xl, 2rem);
    
    /* Typography - aligned with Visual Identity */
    --me-font-size-xs: var(--linkooc-small-size, 0.75rem);
    --me-font-size-sm: var(--linkooc-body-size, 0.875rem);
    --me-font-size-md: 1rem;
    --me-font-size-lg: var(--linkooc-label-size, 1.125rem);
    --me-font-size-title: var(--linkooc-page-title-size, 1.5rem);
    
    /* Transitions - aligned with Visual Identity */
    --me-transition-fast: var(--linkooc-transition-fast, 150ms ease);
    --me-transition-normal: var(--linkooc-transition-normal, 250ms ease);
    --me-transition-slow: var(--linkooc-transition-slow, 350ms ease);
}

/* ===== Menu Editor Host ===== */
.menu-editor {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    background: var(--me-bg);
    font-family: var(--linkooc-font-family, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif);
}

.menu-editor-toolbar {
    flex-shrink: 0;
    border-bottom: 1px solid var(--me-border);
}

.menu-editor-content {
    display: flex;
    flex: 1;
    overflow: hidden;
    position: relative;
}

.menu-editor-left,
.menu-editor-right {
    width: 50%;
    overflow-y: auto;
}

.menu-editor-left {
    border-right: none;
    position: relative;
    padding-right: .5rem !important;
    padding-left: .5rem !important;
}

.tree-search-bar {
    border-bottom: 1px solid var(--me-border);
}
/* Vertical divider */
.menu-editor-left::after {
    content: '';
    position: absolute;
    top: var(--me-spacing-md);
    bottom: var(--me-spacing-md);
    right: 0;
    width: 1px;
    background: linear-gradient( to bottom, transparent, var(--me-border) 10%, var(--me-border) 90%, transparent );
}

.menu-editor-right {
    background: var(--me-surface);
}

/* ===== Toolbar ===== */
.command-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--me-spacing-xs) var(--me-spacing-md);
    background: var(--me-surface);
    border-bottom: 1px solid var(--me-border);
    gap: var(--me-spacing-md);
    min-height: 2.5rem;
}

.toolbar-left,
.toolbar-right {
    display: flex;
    gap: var(--me-spacing-xs);
    align-items: center;
}

.toolbar-center {
    flex: 1;
    text-align: center;
}

.toolbar-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--me-spacing-xs);
    padding: 0.3rem 0.625rem;
    border: 1px solid var(--me-border);
    border-radius: var(--me-radius-sm);
    background: var(--me-bg);
    cursor: pointer;
    font-size: var(--me-font-size-sm);
    color: var(--me-text);
    transition: all var(--me-transition-fast);
    font-weight: 500;
}

.toolbar-btn i {
    font-size: var(--me-font-size-sm);
    transition: transform var(--me-transition-fast);
}

.toolbar-btn:hover:not(:disabled) {
    background: var(--me-bg-hover);
    border-color: var(--me-primary);
}

.toolbar-btn:hover:not(:disabled) i {
    transform: scale(1.1);
}

.toolbar-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Ghost button style (no background until hover) */
.toolbar-btn.toolbar-btn-ghost {
    background: transparent;
    border-color: transparent;
}

.toolbar-btn.toolbar-btn-ghost:hover:not(:disabled) {
    background: var(--me-bg-hover);
    border-color: var(--me-border);
}

.toolbar-btn.btn-save {
    background: var(--me-primary);
    color: white;
    border-color: var(--me-primary);
    padding: 0.3rem var(--me-spacing-sm);
}

.toolbar-btn.btn-save:hover:not(:disabled) {
    background: var(--me-primary-hover);
    border-color: var(--me-primary-hover);
    transform: translateY(-1px);
}

.toolbar-btn.btn-cancel {
    color: var(--me-text-muted);
    border-color: transparent;
    background: transparent;
}

.toolbar-btn.btn-cancel:hover:not(:disabled) {
    color: var(--me-danger);
    background: transparent;
    border-color: transparent;
}

.save-status {
    display: inline-flex;
    align-items: center;
    gap: var(--me-spacing-xs);
    font-size: var(--me-font-size-sm);
    padding: 0.2rem var(--me-spacing-sm);
    border-radius: var(--me-radius-sm);
    font-weight: 500;
    transition: opacity var(--me-transition-slow);
}

.save-status.fade-out {
    animation: fadeOut var(--me-transition-slow) forwards;
    animation-delay: 1.5s;
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0.6; }
}

.save-status i {
    font-size: var(--me-font-size-sm);
}

.spinner-small {
    width: var(--me-font-size-sm);
    height: var(--me-font-size-sm);
    border: 2px solid var(--me-border);
    border-top-color: var(--me-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.status-saved {
    color: var(--me-success);
}

.status-dirty {
    color: var(--me-warning);
    background: rgba(255, 165, 0, 0.08);
}

.status-saving {
    color: var(--me-primary);
}

.status-error {
    color: var(--me-danger);
    background: rgba(186, 25, 25, 0.08);
}

/* ===== Tree ===== */
.menu-tree {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.tree-header {
    margin-bottom: var(--me-spacing-md);
}

.tree-header h3 {
    margin: 0 0 var(--me-spacing-xs) 0;
    font-size: var(--me-font-size-lg);
    color: var(--me-text);
}

.tree-hint {
    margin: 0;
    font-size: var(--me-font-size-xs);
    color: var(--me-text-muted);
}

.tree-content {
    flex: 1;
}

.tree-empty {
    text-align: center;
    padding: var(--me-spacing-xl);
    color: var(--me-text-muted);
}

.btn-add-first {
    margin-top: var(--me-spacing-md);
    padding: 0.75rem var(--me-spacing-lg);
    border: 2px dashed var(--me-border);
    border-radius: var(--me-radius);
    background: transparent;
    color: var(--me-primary);
    cursor: pointer;
    font-size: var(--me-font-size-sm);
    transition: all var(--me-transition-fast);
}

.btn-add-first:hover {
    border-color: var(--me-primary);
    background: var(--me-bg-selected);
}

/* ===== Category Node ===== */
.category-node {
    margin-bottom: 2px;
}

.category-row {
    display: flex;
    align-items: center;
    gap: var(--me-spacing-sm);
    padding: var(--me-spacing-sm);
    border-radius: var(--me-radius-sm);
    cursor: pointer;
    transition: background var(--me-transition-fast), transform var(--me-transition-fast);
}

.category-row:hover {
    background: var(--me-bg-hover);
}

.category-row:active {
    transform: scale(0.995);
}

.category-node.selected > .category-row {
    background: var(--me-bg-selected);
}

.drag-handle {
    cursor: grab;
    color: var(--me-text-muted);
    font-size: var(--me-font-size-md);
    opacity: 0;
    transition: opacity var(--me-transition-fast);
    width: var(--me-spacing-md);
    text-align: center;
}

.category-row:hover .drag-handle,
.item-row:hover .drag-handle {
    opacity: 0.6;
}

.category-row:hover .drag-handle:hover,
.item-row:hover .drag-handle:hover {
    opacity: 1;
}

.expand-btn {
    width: var(--me-spacing-lg);
    height: var(--me-spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    cursor: pointer;
    color: var(--me-text-muted);
    font-size: 0.625rem;
    transition: transform var(--me-transition-fast), color var(--me-transition-fast);
}

.expand-btn:hover:not(:disabled) {
    color: var(--me-text);
}

.expand-btn:disabled {
    visibility: hidden;
}

.category-icon {
    font-size: var(--me-font-size-md);
    color: var(--me-primary);
    transition: transform var(--me-transition-fast);
}

.category-row:hover .category-icon {
    transform: scale(1.1);
}

.category-name {
    flex: 1;
    font-size: var(--me-font-size-sm);
    color: var(--me-text);
    font-weight: 500;
}

.category-name-input {
    flex: 1;
    padding: var(--me-spacing-xs) var(--me-spacing-sm);
    border: 1px solid var(--me-primary);
    border-radius: var(--me-radius-sm);
    font-size: var(--me-font-size-sm);
}

.category-badge {
    font-size: var(--me-font-size-xs);
    color: #9ca3af;
    font-weight: 400;
}

.category-actions {
    display: flex;
    gap: var(--me-spacing-xs);
    opacity: 0;
    transition: opacity var(--me-transition-fast);
}

.category-row:hover .category-actions {
    opacity: 1;
}

/* ===== Category Options Dropdown ===== */
.linkooc-dropdown {
    position: relative;
}

.category-options-menu,
.item-options-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 4px);
    z-index: 1050;
    min-width: 220px;
    background: var(--me-bg);
    border: 1px solid var(--me-border);
    border-radius: var(--me-radius-sm);
    box-shadow: var(--me-shadow-md);
    padding: var(--me-spacing-xs) 0;
    animation: dropdownFadeIn 0.15s ease-out;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.linkooc-dropdown-item {
    display: flex;
    align-items: center;
    width: 100%;
    padding: var(--me-spacing-sm) var(--me-spacing-md);
    border: none;
    background: transparent;
    text-align: left;
    cursor: pointer;
    font-size: var(--me-font-size-sm);
    color: var(--me-text);
    transition: background-color var(--me-transition-fast);
}

.linkooc-dropdown-item:hover {
    background-color: var(--me-bg-selected);
}

.linkooc-dropdown-item i {
    font-size: 1rem;
    width: 1.25rem;
    flex-shrink: 0;
}

.linkooc-dropdown-divider {
    height: 1px;
    margin: var(--me-spacing-xs) 0;
    background-color: var(--me-border);
}

.linkooc-dropdown-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1040;
    background: transparent;
}

.action-btn {
    width: var(--me-spacing-lg);
    height: var(--me-spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--me-bg-hover);
    border-radius: var(--me-radius-sm);
    cursor: pointer;
    font-size: var(--me-font-size-xs);
    transition: background var(--me-transition-fast), transform var(--me-transition-fast);
}

.action-btn:hover {
    background: var(--me-border);
    transform: scale(1.1);
}

.action-btn.action-delete:hover {
    background: rgba(186, 25, 25, 0.1);
    color: var(--me-danger);
}

.category-children {
    margin-left: var(--me-spacing-lg);
    padding-left: 0.75rem;
    border-left: 1px solid var(--me-border);
}

/* ===== Item Row ===== */
.item-row {
    display: flex;
    align-items: center;
    gap: var(--me-spacing-sm);
    padding: var(--me-spacing-xs) var(--me-spacing-sm);
    border-radius: var(--me-radius-sm);
    cursor: pointer;
    transition: background var(--me-transition-fast), transform var(--me-transition-fast);
}

.item-row:hover {
    background: var(--me-bg-hover);
}

.item-row:active {
    transform: scale(0.995);
}

.item-row.selected {
    background: var(--me-bg-selected);
}

.item-icon {
    font-size: var(--me-font-size-sm);
    color: #9ca3af;
    transition: transform var(--me-transition-fast), color var(--me-transition-fast);
}

.item-row:hover .item-icon {
    color: var(--me-primary);
    transform: scale(1.1);
}

.item-name {
    flex: 1;
    font-size: var(--me-font-size-sm);
    color: var(--me-text);
}

.item-name-input {
    flex: 1;
    padding: 0.125rem var(--me-spacing-xs);
    border: 1px solid var(--me-primary);
    border-radius: var(--me-radius-sm);
    font-size: var(--me-font-size-sm);
}

.item-price {
    font-size: var(--me-font-size-sm);
    color: var(--me-text);
    font-weight: 500;
}

.price-empty {
    color: #9ca3af;
}

.item-actions {
    opacity: 0;
    transition: opacity var(--me-transition-fast);
    display: flex !important;
}

.item-row:hover .item-actions {
    opacity: 1;
}

/* ===== Inline Add ===== */
.inline-add {
    margin-top: var(--me-spacing-xs);
}

.btn-add {
    display: flex;
    align-items: center;
    gap: var(--me-spacing-sm);
    width: 100%;
    padding: var(--me-spacing-xs) var(--me-spacing-sm);
    border: 1px dashed var(--me-border);
    border-radius: var(--me-radius-sm);
    background: transparent;
    color: var(--me-text-muted);
    font-size: var(--me-font-size-xs);
    cursor: pointer;
    transition: all var(--me-transition-fast);
}

.btn-add:hover {
    border-color: var(--me-primary);
    color: var(--me-primary);
    background: var(--me-bg-selected);
}

.inline-add-form {
    display: flex;
    gap: var(--me-spacing-sm);
    padding: var(--me-spacing-xs);
}

.inline-add-form input {
    flex: 1;
    padding: var(--me-spacing-xs) var(--me-spacing-sm);
    border: 1px solid var(--me-border);
    border-radius: var(--me-radius-sm);
    font-size: var(--me-font-size-sm);
}

.inline-add-form input:focus {
    outline: none;
    border-color: var(--me-primary);
}

.btn-confirm,
.btn-cancel {
    width: 1.75rem;
    height: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--me-radius-sm);
    cursor: pointer;
    font-size: var(--me-font-size-sm);
}

.btn-confirm {
    background: var(--me-primary);
    color: white;
}

.btn-confirm:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-cancel {
    background: var(--me-bg-hover);
    color: var(--me-text-muted);
}

/* ===== Detail Panel ===== */
.menu-detail-panel {
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* Detail Header - Aligned with tree-search-bar per Visual Identity Layout 1 */
.detail-header {
    padding: var(--me-spacing-sm) 0;
    margin-bottom: var(--me-spacing-sm);
    min-height: 2.625rem; /* Match tree-search-bar height */
    display: flex;
    align-items: center;
}

.detail-header .detail-title {
    margin: 0;
    font-size: var(--me-font-size-title);
    font-weight: 600;
    color: var(--me-text);
}

.detail-header .detail-title.text-muted {
    color: var(--me-text-muted);
    font-weight: 400;
}

/* Detail Content - Takes remaining space */
.detail-content {
    flex: 1;
    overflow-y: auto;
}

.detail-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--me-text-muted);
    text-align: center;
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: var(--me-spacing-md);
    opacity: 0.5;
}

/* ===== Category Preview ===== */
.category-preview {
    padding: var(--me-spacing-lg);
}

.preview-header {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    margin-bottom: var(--me-spacing-lg);
}

.preview-header h2 {
    margin: 0;
    font-size: var(--me-font-size-title);
    color: var(--me-text);
    font-weight: 600;
}

.preview-badge {
    font-size: 0.6875rem;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
    padding: 0.125rem var(--me-spacing-sm);
    background: var(--me-bg-hover);
    border-radius: var(--me-radius-sm);
}

.preview-subtitle {
    margin: 0 0 var(--me-spacing-lg) 0;
    color: #9ca3af;
    font-size: var(--me-font-size-sm);
}

.preview-empty {
    color: #9ca3af;
    font-style: italic;
}

.preview-items {
    display: flex;
    flex-direction: column;
    gap: var(--me-spacing-sm);
}

.preview-item {
    display: flex;
    align-items: baseline;
    gap: var(--me-spacing-sm);
    transition: transform var(--me-transition-fast);
}

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

.preview-item-name {
    font-size: var(--me-font-size-md);
    color: var(--me-text);
}

.preview-item-dots {
    flex: 1;
    border-bottom: 1px dotted #d1d5db;
    margin-bottom: var(--me-spacing-xs);
}

.preview-item-price {
    font-weight: 600;
    color: var(--me-text);
}

.price-tbd {
    color: #9ca3af;
    font-weight: normal;
    font-style: italic;
    font-size: var(--me-font-size-sm);
}

/* ===== Item Detail ===== */
.item-detail {
    padding: var(--me-spacing-md);
}

.detail-header h2 {
    margin: 0 0 var(--me-spacing-lg) 0;
    font-size: var(--me-font-size-lg);
    color: var(--me-text);
}

.detail-form {
    display: flex;
    flex-direction: column;
    gap: var(--me-spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--me-spacing-xs);
}

.form-group label {
    font-size: var(--me-font-size-sm);
    font-weight: 500;
    color: var(--me-text);
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group textarea {
    padding: var(--me-spacing-sm) 0.75rem;
    border: 1px solid var(--me-border);
    border-radius: var(--me-radius-sm);
    font-size: var(--me-font-size-sm);
    transition: border-color var(--me-transition-fast), box-shadow var(--me-transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--me-primary);
    box-shadow: 0 0 0 3px rgba(8, 120, 27, 0.1);
}

.checkbox-group {
    flex-direction: row;
    align-items: center;
}

.checkbox-group input[type="checkbox"] {
    width: var(--me-spacing-md);
    height: var(--me-spacing-md);
}

/* ===== Modal ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: modalFadeIn var(--me-transition-fast) ease-out;
}

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

.modal-dialog {
    background: var(--me-bg);
    border-radius: var(--me-radius);
    box-shadow: var(--me-shadow-lg);
    width: 90%;
    max-width: 400px;
    animation: modalSlideIn var(--me-transition-normal) ease-out;
}

@keyframes modalSlideIn {
    from { 
        opacity: 0; 
        transform: translateY(-20px) scale(0.95); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0) scale(1); 
    }
}

.modal-header {
    padding: var(--me-spacing-md) var(--me-spacing-lg);
    border-bottom: 1px solid var(--me-border);
}

.modal-header h3 {
    margin: 0;
    font-size: var(--me-font-size-lg);
}

.modal-body {
    padding: var(--me-spacing-lg);
}

.modal-body input {
    width: 100%;
    padding: var(--me-spacing-sm) 0.75rem;
    border: 1px solid var(--me-border);
    border-radius: var(--me-radius-sm);
    font-size: var(--me-font-size-sm);
    transition: border-color var(--me-transition-fast);
}

.modal-body input:focus {
    outline: none;
    border-color: var(--me-primary);
}

.modal-body .warning {
    margin-top: 0.75rem;
    font-size: var(--me-font-size-xs);
    color: var(--me-text-muted);
}

.modal-footer {
    padding: var(--me-spacing-md) var(--me-spacing-lg);
    border-top: 1px solid var(--me-border);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

.btn {
    padding: var(--me-spacing-sm) var(--me-spacing-md);
    border: none;
    border-radius: var(--me-radius-sm);
    font-size: var(--me-font-size-sm);
    cursor: pointer;
    transition: all var(--me-transition-fast);
}

.btn-primary {
    background: var(--me-primary);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--me-primary-hover);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-secondary {
    background: var(--me-bg-hover);
    color: var(--me-text);
}

.btn-secondary:hover {
    background: var(--me-border);
}

.btn-danger {
    background: var(--me-danger);
    color: white;
}

.btn-danger:hover {
    background: var(--me-danger-hover);
}

/* ===== Skeleton Loading ===== */
.menu-editor-loading {
    display: flex;
    padding: var(--me-spacing-md);
    gap: var(--me-spacing-md);
}

.skeleton-tree,
.skeleton-detail {
    width: 50%;
}

.skeleton-row,
.skeleton-title,
.skeleton-content,
.skeleton-field {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--me-radius-sm);
}

.skeleton-row {
    height: 2.5rem;
    margin-bottom: var(--me-spacing-sm);
}

.skeleton-title {
    height: 2rem;
    width: 60%;
    margin-bottom: var(--me-spacing-md);
}

.skeleton-content {
    height: 10rem;
}

.skeleton-field {
    height: 3rem;
    margin-bottom: 0.75rem;
}

.skeleton-field.large {
    height: 6rem;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ===== Error State ===== */
.menu-editor-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: var(--me-spacing-xl);
    text-align: center;
}

.error-icon {
    font-size: 3rem;
    margin-bottom: var(--me-spacing-md);
}

.error-message {
    color: var(--me-danger);
    margin-bottom: var(--me-spacing-md);
}

.btn-retry {
    padding: var(--me-spacing-sm) var(--me-spacing-md);
    background: var(--me-primary);
    color: white;
    border: none;
    border-radius: var(--me-radius-sm);
    cursor: pointer;
    transition: background var(--me-transition-fast);
}

.btn-retry:hover {
    background: var(--me-primary-hover);
}

/* ===== SortableJS Drag & Drop ===== */
.sortable-ghost {
    opacity: 0.4;
    background: var(--me-bg-selected) !important;
    border: 2px dashed var(--me-primary) !important;
}

.sortable-chosen {
    background: var(--me-bg-hover);
    box-shadow: var(--me-shadow-md);
}

.sortable-drag {
    background: var(--me-bg) !important;
    box-shadow: var(--me-shadow-lg) !important;
    border-radius: var(--me-radius-sm);
    transform: scale(1.02);
}

/* Force show drag handle when dragging */
.sortable-drag .drag-handle {
    opacity: 1 !important;
}

.category-drag-handle,
.item-drag-handle {
    cursor: grab;
    color: var(--me-text-muted);
    font-size: var(--me-font-size-md);
    opacity: 0;
    transition: opacity var(--me-transition-fast);
    width: var(--me-spacing-md);
    text-align: center;
}

.category-row:hover .category-drag-handle,
.item-row:hover .item-drag-handle {
    opacity: 0.5;
}

.category-row:hover .category-drag-handle:hover,
.item-row:hover .item-drag-handle:hover {
    opacity: 1;
}

.category-drag-handle:active,
.item-drag-handle:active {
    cursor: grabbing;
}

/* Containers for sortable groups */
.subcategories-container,
.items-container {
    min-height: var(--me-spacing-md);
}

/* Category row as drop zone for leaf categories - receives items even when collapsed */
.category-row.leaf-category-dropzone {
    position: relative;
    transition: all var(--me-transition-fast);
}

/* Visual feedback when dragging items - highlight leaf category rows as drop targets */
.menu-editor.dragging-items .category-row.leaf-category-dropzone {
    border: 2px dashed var(--me-primary);
    background: rgba(8, 120, 27, 0.08);
    border-radius: var(--me-radius-sm);
}

.menu-editor.dragging-items .category-row.leaf-category-dropzone:hover {
    background: rgba(8, 120, 27, 0.15);
    border-style: solid;
}

/* Ghost style when item is over category row */
.category-row.leaf-category-dropzone.sortable-ghost {
    background: var(--me-bg-selected) !important;
    border: 2px solid var(--me-primary) !important;
}

/* Virtualized items container for large lists */
.items-container.items-virtualized {
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 4px;
    background: var(--surface-color, #fafafa);
    scrollbar-width: thin;
}

.items-container.items-virtualized::-webkit-scrollbar {
    width: 8px;
}

.items-container.items-virtualized::-webkit-scrollbar-track {
    background: var(--surface-color, #f1f1f1);
    border-radius: 4px;
}

.items-container.items-virtualized::-webkit-scrollbar-thumb {
    background: var(--primary-light, #c0c0c0);
    border-radius: 4px;
}

.items-container.items-virtualized::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color, #888);
}

.tree-nodes {
    min-height: var(--me-spacing-xl);
}

/* ===== Debug Panel ===== */
.debug-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 300px;
    background: #1e1e1e;
    color: #d4d4d4;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 12px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
}

.debug-panel.minimized {
    max-height: auto;
}

.debug-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: #252526;
    border-bottom: 1px solid #3c3c3c;
    flex-shrink: 0;
}

.debug-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: #cccccc;
}

.debug-title i {
    color: #f48771;
}

.log-count {
    background: #4d4d4d;
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 10px;
}

.debug-actions {
    display: flex;
    gap: 4px;
}

.debug-btn {
    background: transparent;
    border: none;
    color: #858585;
    padding: 4px 8px;
    cursor: pointer;
    border-radius: 3px;
}

.debug-btn:hover {
    background: #3c3c3c;
    color: #cccccc;
}

.debug-filters {
    display: flex;
    gap: 16px;
    padding: 6px 12px;
    background: #2d2d2d;
    border-bottom: 1px solid #3c3c3c;
    flex-shrink: 0;
}

.filter-checkbox {
    display: flex;
    align-items: center;
    gap: 4px;
    color: #858585;
    cursor: pointer;
    font-size: 11px;
}

.filter-checkbox input {
    margin: 0;
}

.debug-logs {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
}

.log-entry {
    display: flex;
    gap: 8px;
    padding: 3px 12px;
    border-left: 3px solid transparent;
}

.log-entry:hover {
    background: #2a2a2a;
}

.log-time {
    color: #6a9955;
    flex-shrink: 0;
    width: 80px;
}

.log-source {
    color: #569cd6;
    flex-shrink: 0;
    width: 80px;
}

.log-message {
    color: #d4d4d4;
    word-break: break-all;
}

.log-entry.log-info {
    border-left-color: #569cd6;
}

.log-entry.log-warning {
    border-left-color: #ce9178;
}

.log-entry.log-warning .log-message {
    color: #ce9178;
}

.log-entry.log-error {
    border-left-color: #f48771;
    background: rgba(244, 135, 113, 0.1);
}

.log-entry.log-error .log-message {
    color: #f48771;
}

.log-entry.log-success {
    border-left-color: #6a9955;
}

.log-entry.log-success .log-message {
    color: #6a9955;
}

.log-entry.log-api {
    border-left-color: #dcdcaa;
}

.log-entry.log-api .log-message {
    color: #dcdcaa;
}

.no-logs {
    padding: 20px;
    text-align: center;
    color: #6a6a6a;
    font-style: italic;
}

/* ===== Debug Order Display ===== */
.debug-order {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 18px;
    padding: 0 6px;
    margin-right: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    font-family: 'Consolas', 'Monaco', monospace;
    color: #fff;
    background: linear-gradient(135deg, #ff6b6b 0%, #d63384 100%);
    border-radius: 9px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.debug-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--me-text-muted);
    user-select: none;
}

.debug-toggle input[type="checkbox"] {
    cursor: pointer;
}

/* ===== Clickable Tree Header ===== */
.tree-header[role="button"] {
    cursor: pointer;
    padding: var(--me-spacing-sm) 0.75rem;
    margin: -0.5rem -0.75rem var(--me-spacing-sm) -0.75rem;
    border-radius: var(--me-radius-sm);
    transition: background-color var(--me-transition-fast);
}

.tree-header[role="button"]:hover {
    background: var(--me-bg-hover);
}

.tree-header[role="button"]:focus {
    outline: 2px solid var(--me-primary);
    outline-offset: 2px;
}

.tree-header.selected {
    background: var(--me-bg-selected);
}

.tree-header.selected h3 {
    color: var(--me-primary);
}

/* ===== Root Preview ===== */
.root-preview {
    padding: var(--me-spacing-lg);
}

.root-menu-preview {
    display: flex;
    flex-direction: column;
    gap: var(--me-spacing-lg);
}

.root-preview-category {
    padding-left: 0;
}

.root-preview-category .category-header {
    display: flex;
    align-items: baseline;
    gap: var(--me-spacing-sm);
    margin-bottom: var(--me-spacing-sm);
    padding-bottom: var(--me-spacing-xs);
    border-bottom: 1px solid var(--me-border);
}

.root-preview-category .category-name {
    font-size: var(--me-font-size-lg);
    font-weight: 600;
    color: var(--me-text);
}

.root-preview-category .category-count {
    font-size: var(--me-font-size-xs);
    color: var(--me-text-muted);
}

.root-preview-category .category-items {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    padding-left: var(--me-spacing-sm);
}

.root-preview-category .category-children {
    display: flex;
    flex-direction: column;
    gap: var(--me-spacing-md);
    padding-left: var(--me-spacing-md);
    margin-top: var(--me-spacing-sm);
}

/* Nested category styling - reduce emphasis for children */
.root-preview-category .root-preview-category .category-header {
    border-bottom: none;
    margin-bottom: var(--me-spacing-xs);
    padding-bottom: 0;
}

.root-preview-category .root-preview-category .category-name {
    font-size: var(--me-font-size-md);
    font-weight: 500;
    color: var(--me-text-muted);
}

/* Third-level nesting */
.root-preview-category .root-preview-category .root-preview-category .category-name {
    font-size: var(--me-font-size-sm);
    font-weight: 400;
}

/* ===== Tree Search Bar ===== */
.tree-search-bar {
    padding: var(--me-spacing-sm) 0;
    margin-bottom: var(--me-spacing-sm);

}

.tree-search-bar .linkooc-search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.tree-search-bar .linkooc-search-icon {
    position: absolute;
    left: 0.75rem;
    color: var(--me-text-muted);
    font-size: var(--me-font-size-sm);
    pointer-events: none;
    z-index: 1;
}

.tree-search-bar .linkooc-search-input {
    width: 100%;
    padding-left: 2.25rem !important;
    padding-right: var(--me-spacing-xl) !important;
    border-radius: var(--me-radius-sm);
    background: var(--me-surface);
    border: 1px solid var(--me-border);
    font-size: var(--me-font-size-sm);
    transition: border-color var(--me-transition-fast), box-shadow var(--me-transition-fast);
}

.tree-search-bar .linkooc-search-input:focus {
    border-color: var(--me-primary);
    outline: none;
    box-shadow: 0 0 0 2px var(--me-primary-subtle);
}

.tree-search-bar .linkooc-search-clear {
    position: absolute;
    right: var(--me-spacing-sm);
    padding: var(--me-spacing-xs);
    background: none;
    border: none;
    color: var(--me-text-muted);
    cursor: pointer;
    font-size: var(--me-font-size-xs);
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--me-transition-fast);
}

.tree-search-bar .linkooc-search-clear:hover {
    color: var(--me-text);
}

/* ===== Search Match Highlight ===== */
.item-row.search-match {
    background: var(--me-primary-subtle);
}

.item-row.search-match .item-name {
    font-weight: 600;
}

.items-no-match {
    font-style: italic;
    opacity: 0.7;
}

/* ===== Phase 3.2: Consistent Animations ===== */

/* Slide-down animation for content reveals */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Slide-up animation for elements appearing from below */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade-in animation */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Scale-in animation for elements that grow */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Utility classes for animations */
.animate-slide-down {
    animation: slideDown var(--me-transition-normal) ease-out;
}

.animate-slide-up {
    animation: slideUp var(--me-transition-normal) ease-out;
}

.animate-fade-in {
    animation: fadeIn var(--me-transition-fast) ease-out;
}

.animate-scale-in {
    animation: scaleIn var(--me-transition-normal) ease-out;
}

/* Apply entrance animations to key elements */
.menu-editor-content {
    animation: fadeIn var(--me-transition-normal) ease-out;
}

.menu-detail-panel > * {
    animation: slideUp var(--me-transition-normal) ease-out;
}

.category-node {
    animation: fadeIn var(--me-transition-fast) ease-out;
}

/* Tab content transitions */
.item-detail-tabs {
    animation: fadeIn var(--me-transition-fast) ease-out;
}

.tab-content {
    animation: slideDown var(--me-transition-fast) ease-out;
}

/* Sticky bar animation */
.sticky-save-bar {
    animation: slideUp var(--me-transition-normal) ease-out;
}

/* ===== Item Detail Tabs Styles ===== */
.item-detail-host {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: var(--me-spacing-md);
}

.item-detail-header {
    margin-bottom: var(--me-spacing-md);
}

.item-detail-header h2 {
    margin: 0;
    font-size: var(--me-font-size-title);
    color: var(--me-text);
    font-weight: 600;
}

.item-detail-tabs {
    display: flex;
    gap: var(--me-spacing-xs);
    border-bottom: 1px solid var(--me-border);
    margin-bottom: var(--me-spacing-md);
    overflow-x: auto;
}

.tab-button {
    padding: var(--me-spacing-sm) var(--me-spacing-md);
    border: none;
    background: transparent;
    color: var(--me-text-muted);
    font-size: var(--me-font-size-sm);
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--me-transition-fast);
    white-space: nowrap;
}

.tab-button:hover {
    color: var(--me-text);
    background: var(--me-bg-hover);
}

.tab-button.active {
    color: var(--me-primary);
    border-bottom-color: var(--me-primary);
}

.tab-content {
    flex: 1;
    overflow-y: auto;
}

/* ===== Tab Content Styles ===== */
.tab-panel {
    display: flex;
    flex-direction: column;
    gap: var(--me-spacing-md);
}

/* Allergens & Tags grid */
.selection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--me-spacing-sm);
}

.selection-chip {
    display: flex;
    align-items: center;
    gap: var(--me-spacing-sm);
    padding: var(--me-spacing-sm) var(--me-spacing-md);
    border: 1px solid var(--me-border);
    border-radius: var(--me-radius-sm);
    background: var(--me-bg);
    cursor: pointer;
    transition: all var(--me-transition-fast);
    font-size: var(--me-font-size-sm);
}

.selection-chip:hover {
    border-color: var(--me-primary);
    background: var(--me-bg-hover);
}

.selection-chip.selected {
    border-color: var(--me-primary);
    background: var(--me-primary-subtle);
    color: var(--me-primary);
}

.selection-chip .chip-icon {
    font-size: var(--me-font-size-md);
}

.selection-chip .chip-label {
    flex: 1;
}

.selection-chip .chip-check {
    opacity: 0;
    transition: opacity var(--me-transition-fast);
}

.selection-chip.selected .chip-check {
    opacity: 1;
    color: var(--me-success);
}

/* Media upload zone */
.media-upload-zone {
    border: 2px dashed var(--me-border);
    border-radius: var(--me-radius);
    padding: var(--me-spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--me-transition-fast);
}

.media-upload-zone:hover {
    border-color: var(--me-primary);
    background: var(--me-bg-hover);
}

.media-upload-zone.drag-over {
    border-color: var(--me-primary);
    background: var(--me-primary-subtle);
}

.upload-icon {
    font-size: 3rem;
    color: var(--me-text-muted);
    margin-bottom: var(--me-spacing-md);
}

.upload-text {
    color: var(--me-text-muted);
    font-size: var(--me-font-size-sm);
}

.upload-text strong {
    color: var(--me-primary);
    cursor: pointer;
}

/* Wine-specific sliders */
.wine-slider-group {
    display: flex;
    flex-direction: column;
    gap: var(--me-spacing-xs);
}

.wine-slider-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--me-font-size-sm);
    color: var(--me-text);
}

.wine-slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--me-border);
    -webkit-appearance: none;
    appearance: none;
}

.wine-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--me-primary);
    cursor: pointer;
    transition: transform var(--me-transition-fast);
}

.wine-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.wine-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--me-primary);
    cursor: pointer;
    border: none;
}

/* Form row layouts */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--me-spacing-md);
}

.form-row.single {
    grid-template-columns: 1fr;
}

/* Section headers in tabs */
.section-header {
    font-size: var(--me-font-size-sm);
    font-weight: 600;
    color: var(--me-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--me-spacing-sm);
    padding-bottom: var(--me-spacing-xs);
    border-bottom: 1px solid var(--me-border);
}

/* ===== Tree Filters Panel ===== */
.tree-filters-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--me-transition-normal), padding var(--me-transition-normal);
}

.tree-filters-panel.expanded {
    max-height: 200px;
    padding-top: var(--me-spacing-sm);
}

.tree-filters-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--me-spacing-sm);
    padding: var(--me-spacing-sm);
    background: var(--me-surface);
    border: 1px solid var(--me-border);
    border-radius: var(--me-radius-sm);
}

.linkooc-filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.625rem;
    font-size: var(--me-font-size-xs);
    font-weight: 500;
    color: var(--me-text-muted);
    background: var(--me-bg);
    border: 1px solid var(--me-border);
    border-radius: var(--me-radius-sm);
    cursor: pointer;
    transition: all var(--me-transition-fast);
    user-select: none;
}

.linkooc-filter-chip:hover {
    border-color: var(--me-primary);
    color: var(--me-primary);
}

.linkooc-filter-chip.active {
    border-color: var(--me-primary);
    background: var(--me-primary-subtle);
    color: var(--me-primary);
}

.linkooc-filter-chip i {
    font-size: 0.75rem;
}

.tree-filters-reset {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    font-size: var(--me-font-size-xs);
    color: var(--me-text-muted);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: color var(--me-transition-fast);
}

.tree-filters-reset:hover {
    color: var(--me-danger);
}

/* Filters button active indicator */
.has-active-filters::after {
    content: '';
    position: absolute;
    top: 4px;
    right: 4px;
    width: 8px;
    height: 8px;
    background: var(--me-primary);
    border-radius: 50%;
}

/* ===== Reduced motion preference ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}