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.nb-composer{inset:56px 0 0 auto;width:var(--nb-reading-lane);transform:none;border-left:1px solid var(--nb-line)}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .nb-board-scroll{padding-right:calc(var(--nb-reading-lane) + 40px)}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .nb-work-companion{left:auto;right:calc(var(--nb-reading-lane) + 28px);bottom:24px}}@media (max-width:1099px){.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode{--nb-compose-space:min(calc(100dvh - 56px - var(--wb-strip, 0px) - 160px),max(260px,calc((100dvh - 56px - var(--wb-strip, 0px)) * .38)))}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .nb-composer{left:var(--nb-board-rail-width);right:0;bottom:0;width:auto;height:var(--nb-compose-space);max-height:var(--nb-compose-space);transform:none;padding:16px 20px max(12px,env(safe-area-inset-bottom));gap:12px;border-top:1px solid var(--nb-line)}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .nb-paper{height:calc(100dvh - 56px - var(--wb-strip, 0px) - var(--nb-compose-space))}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .nb-work-companion{inset:auto 12px calc(var(--nb-compose-space) + 12px) auto;width:48px;height:48px;transform:none}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .nb-board-scroll{padding-bottom:40px}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .nb-voice-lines{max-height:none}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .nb-reading-header{margin-bottom:12px}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .nb-reading-empty{display:none}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .NotebookAppearance_composer__b5cI8 textarea{height:64px;min-height:64px;max-height:16dvh}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .NotebookAppearance_composer__b5cI8 .NotebookAppearance_header__19r2i button{height:44px}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .nb-board-opening{margin-top:12px}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .nb-board-opening h1{font-size:34px;margin-bottom:18px}}@media (max-width:760px){.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .nb-composer{left:0}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .nb-voice-reading{font-size:16px}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .NotebookAppearance_composer__b5cI8 .nb-writing-actions{justify-content:space-between}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .nb-work-companion{display:none}}@media (max-width:1099px) and (max-height:650px),(max-width:760px){.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode.nb-layout-page .has-companion-work .nb-page-heading{position:absolute;width:1px;height:1px;padding:0;margin:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}}@media (max-width:1099px) and (max-height:650px){.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .nb-composer{gap:8px;padding:12px 16px}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .nb-voice-reading{margin:0}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .nb-reading-header{margin-bottom:6px}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .nb-reading-header span{display:none}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .NotebookAppearance_composer__b5cI8.nb-writing{padding-top:8px}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .NotebookAppearance_composer__b5cI8 textarea{height:56px;min-height:56px;padding:8px 10px}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .NotebookAppearance_composer__b5cI8 .nb-writing-actions{margin-top:4px;gap:8px}}@media (min-width:600px) and (max-width:1099px) and (max-height:650px){.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .nb-board-scroll{padding-top:16px}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .nb-composer:has(.NotebookAppearance_composer__b5cI8){display:grid;grid-template-columns:minmax(0,1fr) minmax(240px,.9fr);grid-template-rows:minmax(0,1fr) auto;gap:4px 20px;padding-block:8px}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .nb-composer:has(.NotebookAppearance_composer__b5cI8) .nb-voice-reading{grid-column:1;grid-row:1/3;height:100%}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .NotebookAppearance_composer__b5cI8.nb-writing{grid-column:2;grid-row:1;padding:0;border:0}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .NotebookAppearance_composer__b5cI8 textarea{height:48px;min-height:48px}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .NotebookAppearance_composer__b5cI8 .nb-writing-actions{margin-top:0}.NotebookAppearance_appearance___3E63.nb-app.nb-whiteboard.nb-text-mode .nb-thinking-pill{grid-column:2;grid-row:2;justify-self:center;padding:0}}.NotebookAppearance_divider__LZHks{position:fixed;z-index:28;display:grid;place-items:center;touch-action:none;-webkit-user-select:none;user-select:none;outline:none}.NotebookAppearance_divider__LZHks span{display:block;border-radius:4px;background:var(--nb-muted)}.NotebookAppearance_divider__LZHks:focus-visible span,.NotebookAppearance_divider__LZHks:hover span,.NotebookAppearance_divider__LZHks[data-resizing] span{background:var(--nb-accent)}.NotebookAppearance_divider__LZHks:focus-visible{outline:2px solid var(--nb-accent);outline-offset:-2px}.NotebookAppearance_appearance___3E63:has(.NotebookAppearance_divider__LZHks[data-resizing]) .nb-board-scroll,.NotebookAppearance_appearance___3E63:has(.NotebookAppearance_divider__LZHks[data-resizing]) .nb-composer{-webkit-user-select:none;user-select:none}@media (min-width:1100px){.NotebookAppearance_divider__LZHks{top:56px;right:calc(var(--nb-reading-lane) - 12px);bottom:0;width:24px;cursor:col-resize}.NotebookAppearance_divider__LZHks span{width:4px;height:40px}}@media (max-width:1099px){.NotebookAppearance_divider__LZHks{left:var(--nb-board-rail-width);right:0;bottom:calc(var(--nb-compose-space) - 12px);height:24px;cursor:row-resize}.NotebookAppearance_divider__LZHks span{width:40px;height:4px}}.NotebookViewer_viewer__6xfei .nb-step-context{position:absolute;inset:-6px;border:2px solid var(--nb-pen-gold);border-radius:12px;pointer-events:none;animation:NotebookViewer_step-context__tWIFN .24s ease-out}@keyframes NotebookViewer_step-context__tWIFN{0%{opacity:.25}to{opacity:1}}@media (prefers-reduced-motion:reduce){.NotebookViewer_viewer__6xfei .nb-step-context{animation:none}}.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard{--viewer-panel:color-mix(in srgb,var(--nb-paper) 95%,var(--nb-ink));--viewer-well:color-mix(in srgb,var(--nb-paper) 91%,var(--nb-ink));--viewer-hairline:color-mix(in srgb,var(--nb-ink) 12%,transparent);--viewer-card:var(--nb-paper);--viewer-danger:#a8432f;--viewer-action:var(--app-action,#426750);--viewer-action-hover:var(--app-action-hover,#34543f);--viewer-action-text:var(--app-action-text,#fffdf7);background:var(--viewer-panel)}.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard.nb-whiteboard-dark{--viewer-danger:#e48a72;--viewer-action:var(--app-action,#b6ccaa);--viewer-action-hover:var(--app-action-hover,#c6d9bd);--viewer-action-text:var(--app-action-text,#202b20)}.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard .nb-toolbar{background:var(--viewer-panel);border-color:var(--viewer-hairline)}.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard .nb-toolbar-actions{gap:12px}.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard .nb-save-state{color:var(--nb-muted);font-size:12px}.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard .nb-paper{border-color:var(--viewer-hairline);border-radius:12px 0 0 0}.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard .nb-board-scroll{padding-top:44px;padding-bottom:44px;background:var(--nb-paper);border-radius:12px 0 0 0}.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard .nb-page-heading{margin-bottom:32px}.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard .nb-page-heading h1{max-width:26ch;font:600 36px/1.17 var(--nb-ui);letter-spacing:-.03em;text-wrap:balance}.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard .nb-title-ink:after{display:none}.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard .nb-page-heading:after{content:"";display:block;width:40px;height:3px;margin-top:20px;border-radius:2px;background:var(--nb-title-marker)}.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard .nb-problem-stage{margin-top:0;margin-bottom:20px;padding-bottom:20px}.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard .nb-followup-visual{margin:12px 0 20px}.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard .nb-followup-visual .nb-object-author{display:none}.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard .nb-followup-visual .nb-scene-scroll svg{width:100%;min-width:0;max-height:44dvh}.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard .nb-problem-copy .nb-object-content{font:400 18px/1.7 var(--nb-ui)}.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard .nb-object-content,.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard .nb-problem-copy .nb-object-content{padding-right:0}.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard.nb-text-mode .nb-rail-board[aria-current=page]{background-image:none;box-shadow:none}.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard .nb-visual-tokens{display:none}.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard .nb-rail-board{min-width:44px;min-height:44px;border-radius:8px;box-shadow:none}.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard .nb-rail-board[aria-current=page]{background:var(--nb-ink);color:var(--nb-paper);box-shadow:none}.NotebookViewer_viewer__6xfei.nb-app.nb-whiteboard 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