.category-tree-browser{display:flex;flex-direction:column;width:100%;max-width:400px}.category-header{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.category-back-button{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;background:transparent;border:none;color:var(--glyph-secondary);font-size:var(--font-size-body);font-family:var(--font-family-body);cursor:pointer;border-radius:8px;transition:all .15s ease;align-self:flex-start}.category-back-button:hover{background:var(--bg-raised-hover);color:var(--glyph-primary)}.category-breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:4px;padding:0 4px;font-size:var(--font-size-small)}.breadcrumb-item{background:transparent;border:none;color:var(--glyph-secondary);font-size:inherit;font-family:var(--font-family-body);cursor:pointer;padding:4px 6px;border-radius:4px;transition:all .15s ease}.breadcrumb-item:hover:not(:disabled){background:var(--bg-raised-hover);color:var(--glyph-primary)}.breadcrumb-item.current{color:var(--glyph-primary);font-weight:var(--font-weight-medium);cursor:default}.breadcrumb-separator{color:var(--glyph-secondary);opacity:.5}.category-list{display:flex;flex-direction:column;gap:4px}.category-item{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--bg-raised);border:1px solid var(--border-subtle);border-radius:12px;color:var(--glyph-primary);font-size:var(--font-size-body);font-family:var(--font-family-body);font-weight:var(--font-weight-medium);cursor:pointer;transition:all .15s ease;text-align:left;width:100%}.category-item:hover{background:var(--bg-raised-hover);border-color:var(--border-default);transform:translateY(-1px)}.category-item:active{transform:translateY(0)}.category-item.all-categories{background:var(--accent-bg);border-color:var(--accent-border)}.category-item.all-categories:hover{background:var(--accent-bg-hover, var(--accent-bg))}.category-item.select-parent{background:var(--bg-success-subtle, var(--bg-raised));border-color:var(--border-success, var(--border-subtle));color:var(--glyph-success, var(--glyph-primary))}.category-item.select-parent:hover{background:var(--bg-success-hover, var(--bg-raised-hover))}.category-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.category-action{font-size:var(--font-size-small);color:var(--glyph-secondary);font-weight:var(--font-weight-regular)}.category-arrow{color:var(--glyph-secondary);opacity:.6;flex-shrink:0}.category-empty{display:flex;flex-direction:column;align-items:center;gap:12px;padding:24px 16px;text-align:center;color:var(--glyph-secondary)}.category-empty p{margin:0;font-size:var(--font-size-body)}.select-current-button{padding:10px 20px;background:var(--accent-bg);border:1px solid var(--accent-border);border-radius:8px;color:var(--accent-fg);font-size:var(--font-size-body);font-family:var(--font-family-body);font-weight:var(--font-weight-medium);cursor:pointer;transition:all .15s ease}.select-current-button:hover{background:var(--accent-bg-hover, var(--accent-bg));transform:translateY(-1px)}.category-tree-browser.loading{display:flex;flex-direction:column;gap:8px}.category-skeleton{height:52px;background:linear-gradient(90deg,var(--bg-raised) 25%,var(--bg-raised-hover) 50%,var(--bg-raised) 75%);background-size:200% 100%;border-radius:12px;animation:skeleton-pulse 1.5s infinite}@keyframes skeleton-pulse{0%{background-position:200% 0}to{background-position:-200% 0}}.category-tree-browser.error{display:flex;flex-direction:column;align-items:center;gap:12px;padding:24px 16px;text-align:center;color:var(--glyph-error, var(--glyph-secondary))}.category-tree-browser.error button{padding:8px 16px;background:var(--bg-raised);border:1px solid var(--border-subtle);border-radius:8px;color:var(--glyph-primary);cursor:pointer}.category-tree-browser.mode-selection .category-item{padding:12px 14px}.category-tree-browser.mode-selection .category-item.select-parent,.category-tree-browser.mode-selection .category-item.all-categories{background:var(--accent-bg);border-color:var(--accent-border)}@media (max-width: 480px){.category-tree-browser{max-width:100%}.category-breadcrumbs{font-size:12px}.category-item{padding:12px 14px;gap:10px}}.category-item.category-hidden{opacity:.5}.category-item.category-hidden .category-name{text-decoration:line-through}.category-visibility-toggle{display:flex;align-items:center;justify-content:center;background:transparent;border:none;padding:6px;cursor:pointer;color:var(--glyph-secondary);border-radius:6px;transition:all .15s ease;flex-shrink:0}.category-visibility-toggle:hover{background:var(--bg-raised-hover);color:var(--glyph-primary)}.category-item.category-hidden .category-visibility-toggle{color:var(--glyph-warning, var(--glyph-secondary))}.category-tree-browser.mode-manage-hidden .category-item{cursor:default}.category-tree-browser.mode-manage-hidden .category-item .category-name{cursor:text}