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34%,var(--c-bg-hover));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--c-accent) 24%,transparent)}.sidebar-tree-row{--sidebar-depth: 0;display:grid;grid-template-columns:16px minmax(0,1fr);align-items:center;gap:4px;padding-left:calc(var(--sidebar-depth) * 16px)}.sidebar-tree-main{min-width:0;display:flex;align-items:center;gap:4px}.sidebar-tree-toggle,.sidebar-tree-toggle-spacer{width:16px;height:16px;display:inline-flex;align-items:center;justify-content:center;color:var(--c-text-tertiary);font-size:11px;border:0;border-radius:5px;background:transparent}.sidebar-tree-toggle{cursor:pointer;transition:background-color var(--motion-quick),color var(--motion-quick)}.sidebar-tree-toggle:hover{background:var(--c-bg-hover)}.sidebar-item.sidebar-item-tree{flex:1;min-width:0;width:auto;padding-left:8px}.sidebar-row-actions{display:inline-flex;align-items:center;gap:4px;margin-right:2px;opacity:0;transition:opacity var(--motion-quick)}.sidebar-tree-row:hover .sidebar-row-actions,.sidebar-tree-row:focus-within .sidebar-row-actions{opacity:1}.sidebar-row-action{width:20px;height:20px;padding:0;font-size:14px;color:var(--c-text-tertiary);border-radius:5px;display:inline-flex;align-items:center;justify-content:center;transition:background-color var(--motion-quick),color var(--motion-quick)}.sidebar-row-action:hover{color:var(--c-text-secondary)}.sidebar[data-density=compact] .sidebar-tree-row{grid-template-columns:14px minmax(0,1fr);gap:2px;padding-left:calc(var(--sidebar-depth) * 14px)}.sidebar[data-density=compact] .sidebar-tree-dropzone{height:5px;margin-left:calc(var(--sidebar-depth) * 14px + 18px);margin-right:6px}.sidebar[data-density=compact] .sidebar-tree-main{gap:2px}.sidebar[data-density=compact] .sidebar-tree-toggle,.sidebar[data-density=compact] .sidebar-tree-toggle-spacer{width:14px;height:14px;font-size:10px;border-radius:4px}.sidebar[data-density=compact] .sidebar-item.sidebar-item-tree{padding-left:6px}.sidebar[data-density=compact] .sidebar-row-actions{gap:2px}.sidebar[data-density=compact] .sidebar-row-action{width:18px;height:18px;font-size:13px;border-radius:4px}.sidebar-tree-children{display:block}.sidebar-drag-preview{--sidebar-drag-preview-x: -9999px;--sidebar-drag-preview-y: -9999px;position:fixed;left:0;top:0;display:inline-flex;align-items:center;gap:8px;max-width:min(360px,calc(100vw - 20px));padding:7px 11px;border-radius:12px;border:1px solid color-mix(in srgb,var(--c-border-primary) 90%,transparent);background:color-mix(in srgb,var(--c-bg-elevated) 94%,transparent);box-shadow:var(--shadow-md);color:var(--c-text-primary);transform:translate3d(var(--sidebar-drag-preview-x),var(--sidebar-drag-preview-y),0) rotate(-1.2deg);pointer-events:none;z-index:70;opacity:.97;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);will-change:transform;transition:box-shadow var(--motion-quick),border-color 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small{font-size:11px;color:var(--c-text-tertiary)}.topbar-chip[data-active=true]{background:var(--c-bg-hover)}.topbar-chip-primary{border-color:var(--c-border-primary);color:var(--c-text-primary);background:var(--c-bg-elevated);box-shadow:var(--shadow-xs)}.topbar-share-chip{display:inline-flex;align-items:center;gap:6px}.topbar-chip-leading-icon{font-size:11px;line-height:1}.topbar-icon-chip{width:26px;min-height:26px;padding:0;display:inline-flex;align-items:center;justify-content:center;color:var(--c-text-secondary)}.topbar-icon-chip[data-active=true]{background:var(--c-bg-hover)}.topbar-search-compact-trigger,.topbar-quick-actions-trigger{font-size:14px}.topbar-nav-toggle{display:none}.topbar-panel-surface{z-index:31}@keyframes panel-fade-in{0%{opacity:0;transform:translateY(-3px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}@media(prefers-reduced-motion:reduce){.topbar-popover{animation:none}}.topbar-popover{position:absolute;top:calc(100% + 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minmax(16px,1fr)}}@media(max-width:768px){.topbar{height:54px;padding-inline:8px}.topbar-actions{gap:6px}.topbar-search-compact-trigger,.topbar-quick-actions-trigger,.topbar-icon-chip{width:var(--touch-target-min);height:var(--touch-target-min);min-height:var(--touch-target-min);font-size:16px}.topbar-popover-sheet{position:fixed;left:8px;right:8px;top:calc(var(--safe-area-top) + 64px);bottom:auto;width:auto;min-width:0;max-height:calc(100dvh - var(--safe-area-top) - var(--safe-area-bottom) - 76px);border-radius:20px;padding:10px 10px calc(10px + var(--safe-area-bottom));overflow:auto;z-index:32;animation:none}.topbar-popover-sheet .topbar-sheet-header{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}.topbar-popover-sheet .context-menu-item,.topbar-popover-sheet .quick-action-item,.topbar-popover-sheet .updates-undo-button{min-height:var(--touch-target-min)}.topbar-popover-sheet .quick-action-item 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var(--safe-area-bottom))}.page-title{font-size:34px;line-height:1.16}.page-header-action{min-height:28px;padding-inline:11px}.page-cover{height:164px;border-radius:10px}.page-icon-display{width:60px;height:60px;font-size:50px}.block-render,.block-input{font-size:17px;line-height:1.58}}.command-palette-backdrop{position:fixed;inset:0;z-index:18;display:flex;justify-content:center;align-items:flex-start;padding-top:76px;background:color-mix(in srgb,var(--c-bg-page) 55%,transparent);-webkit-backdrop-filter:blur(1.5px);backdrop-filter:blur(1.5px)}.command-palette{width:min(680px,calc(100vw - 28px));max-height:min(72vh,520px);display:flex;flex-direction:column;border:1px solid var(--c-border-primary);border-radius:12px;background:var(--c-bg-elevated);box-shadow:var(--shadow-md);overflow:hidden}.command-palette-input-wrap{display:flex;align-items:center;gap:8px;padding:10px 12px;border-bottom:1px solid 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h1{margin:0;font-size:26px;line-height:1.2}.auth-kicker{margin:0;font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--c-text-secondary)}.auth-description{margin:0;color:var(--c-text-secondary)}.auth-actions-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.auth-password-hint{color:var(--c-text-secondary);font-size:12px;line-height:1.35}.auth-form{display:grid;gap:10px}.auth-field{display:grid;gap:6px}.auth-field>span{font-size:13px;font-weight:500}.auth-field>input,.auth-field>select{width:100%;border:1px solid var(--c-border-primary);border-radius:var(--radius-sm);background:var(--c-bg-canvas, var(--c-bg-page));color:var(--c-text-primary);min-height:38px;padding:8px 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