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0}.editor-drag-handle svg{width:.95rem;height:1.35rem}.diagram-floating-shell{z-index:30;opacity:0;pointer-events:none;-webkit-user-select:none;user-select:none;position:absolute}.diagram-floating-shell[data-ready=true]{opacity:1;pointer-events:auto}:root[data-editor-dragging=true] .diagram-floating-shell{opacity:0!important;pointer-events:none!important}.diagram-palette{padding:.24rem .3rem;overflow:visible}.diagram-palette .tiptap-toolbar-separator{align-self:center;height:1.2rem}.diagram-palette .editor-toolbar-button,.diagram-meta-line .editor-toolbar-button{min-width:2rem;height:1.9rem;padding:.32rem}.diagram-palette .editor-toolbar-button{font-size:var(--size-ui-xs);letter-spacing:.04em;line-height:1;font-family:var(--font-ui);font-weight:600}.diagram-palette-menu-wrap{position:relative}.diagram-palette-menu-trigger{gap:.26rem;min-width:auto!important;padding-inline:.48rem!important}.diagram-palette-menu-trigger .diagram-icon{width:.85rem;height:.85rem}.diagram-palette-menu-trigger .diagram-icon:last-child{width:.72rem;height:.72rem}.diagram-palette-menu{z-index:2;border:1px solid var(--border-default);border-radius:var(--radius-lg);background:var(--surface-glass);min-width:max-content;box-shadow:var(--shadow-float);-webkit-backdrop-filter:blur(var(--blur-glass));backdrop-filter:blur(var(--blur-glass));padding:.28rem;display:inline-flex;position:absolute;top:calc(100% + .35rem);right:0}.diagram-palette-menu .tiptap-toolbar-group{gap:.28rem}.diagram-icon{flex:none;width:1rem;height:1rem}.diagram-stone-tool{width:1rem;height:1rem;display:inline-flex;position:relative}.diagram-stone-tool .diagram-icon{position:absolute;inset:0}.diagram-stone-tool .diagram-icon--stone-fill,.diagram-stone-tool .diagram-icon--stone-outline{display:block}.diagram-stone-tool--black .diagram-icon--stone-fill{color:var(--diagram-tool-black-fill-color,#111);opacity:var(--diagram-tool-black-fill-opacity,1)}.diagram-stone-tool--white .diagram-icon--stone-outline{color:var(--diagram-tool-white-outline-color,#181818c7);opacity:var(--diagram-tool-white-outline-opacity,1)}.diagram-stone-tool--black .diagram-icon--stone-outline{color:var(--diagram-tool-black-outline-color,#181818c7);opacity:var(--diagram-tool-black-outline-opacity,0);transform:scale(var(--diagram-tool-black-outline-scale,1))}.diagram-stone-tool--white .diagram-icon--stone-fill{color:var(--diagram-tool-white-fill-color,#f3eee6);opacity:var(--diagram-tool-white-fill-opacity,0)}.diagram-meta-line{min-height:2.38rem;color:var(--text-secondary);font-size:var(--size-ui-xs);line-height:1;font-family:var(--font-ui);font-variant-numeric:proportional-nums;letter-spacing:0;white-space:nowrap;align-items:center;padding:.24rem .9rem;display:flex}.diagram-meta-line .tiptap-toolbar-group{align-items:center;gap:.45rem}.diagram-meta-copy{color:inherit}.diagram-meta-select-wrap,.diagram-meta-size{align-items:center;gap:.28rem;display:inline-flex}.diagram-meta-select-wrap{position:relative}.diagram-meta-input-wrap{align-items:center;display:inline-flex;position:relative}.diagram-meta-select-measure{visibility:hidden;white-space:nowrap;font-family:inherit;font-size:inherit;line-height:inherit;letter-spacing:inherit;pointer-events:none;position:absolute}.modal-frame-backdrop{z-index:42;padding:var(--space-5);background:color-mix(in srgb, var(--text-primary) 10%, transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-frame{--modal-panel-inset:var(--space-6);--modal-close-slot:calc(2rem + var(--space-3));--modal-header-padding-block-start:var(--space-7);--modal-header-padding-block-end:var(--space-6);--modal-section-gap:var(--space-4);--modal-body-gap:var(--modal-section-gap);--modal-body-padding-block-start:var(--space-4);--modal-body-padding-block-end:var(--space-4);--modal-body-padding-inline-start:var(--modal-panel-inset);--modal-body-padding-inline-end:var(--modal-panel-inset);--modal-footer-padding-block-start:var(--space-6);--modal-footer-padding-block-end:var(--space-5);--modal-pane-gap:var(--space-3);--modal-pane-padding-block-start:var(--space-5);--modal-pane-padding-block-end:var(--space-4);--modal-pane-padding-inline-start:var(--space-5);--modal-pane-padding-inline-end:var(--space-4);border:1px solid var(--border-panel);border-radius:var(--radius-xl);background:var(--surface-panel-strong);color:var(--text-primary);box-shadow:var(--shadow-modal);font-family:var(--font-ui);position:relative;overflow:hidden}.modal-frame-layout{min-width:0;min-height:0;display:grid}.modal-frame--with-sidebar .modal-frame-layout{grid-template-columns:minmax(10rem, var(--help-screen-sidebar-width,12.5rem)) minmax(0, 1fr);height:100%}.modal-frame-main,.modal-frame-sidebar{min-width:0;min-height:0}.modal-frame-main{grid-template-rows:auto minmax(0,1fr) auto;height:100%;min-height:0;display:grid;overflow:hidden}.modal-frame-close{top:1.2rem;right:var(--modal-panel-inset);z-index:3;border-radius:var(--radius-pill);width:2rem;height:2rem;color:var(--text-muted);background:0 0;padding:0;position:absolute}.modal-panel-header{padding:var(--modal-header-padding-block-start) var(--modal-panel-inset) var(--modal-header-padding-block-end);padding-right:calc(var(--modal-panel-inset) + var(--modal-close-slot));border-bottom:1px solid color-mix(in srgb, var(--border-panel) 82%, transparent);background:var(--surface-panel-strong);align-content:start;display:grid}.modal-panel-header-inner{align-items:start;gap:var(--space-4);grid-template-columns:auto minmax(0,1fr);min-width:0;display:grid}.modal-panel-header-inner>:only-child{grid-column:1/-1}.modal-panel-header-leading{align-items:center;display:flex}.modal-panel-header-copy{min-width:0}.modal-panel-header h2,.modal-panel-header h3{letter-spacing:-.05em;min-width:0;max-width:100%;font-size:clamp(2rem,4vw,2.8rem);font-weight:600;line-height:.96;font-family:var(--font-document);overflow-wrap:anywhere;margin:0}.modal-frame-content{min-width:0;min-height:0;display:grid;overflow:hidden}.modal-frame-footer{min-width:0;padding-block:var(--modal-footer-padding-block-start) var(--modal-footer-padding-block-end);padding-inline:var(--modal-panel-inset);border-top:1px solid color-mix(in srgb, var(--border-panel) 82%, transparent);background:var(--surface-panel-strong);align-content:start;display:grid}.modal-frame-body,.modal-frame-pane{min-width:0;min-height:0;display:grid}.modal-frame-body{gap:var(--modal-body-gap);padding-block:var(--modal-body-padding-block-start) var(--modal-body-padding-block-end);padding-inline:var(--modal-body-padding-inline-start) var(--modal-body-padding-inline-end)}.modal-frame-body--scroll{overscroll-behavior:contain;scroll-behavior:smooth;scrollbar-gutter:stable;align-content:start;overflow:hidden auto}.modal-frame-pane{align-content:start;gap:var(--modal-pane-gap);height:100%;padding:var(--modal-pane-padding-block-start) var(--modal-pane-padding-inline-end) var(--modal-pane-padding-block-end) var(--modal-pane-padding-inline-start)}.modal-frame-pane--scroll,.modal-frame-body--scroll{scrollbar-width:thin;scrollbar-color:color-mix(in srgb, var(--text-muted) 26%, var(--surface-panel-strong)) color-mix(in srgb, var(--surface-panel-strong) 88%, transparent);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark}@media (prefers-color-scheme:dark){.modal-frame-pane--scroll,.modal-frame-body--scroll{--lightningcss-light: ;--lightningcss-dark:initial}}.modal-frame-pane--scroll::-webkit-scrollbar{width:.75rem}.modal-frame-body--scroll::-webkit-scrollbar{width:.75rem}.modal-frame-pane--scroll::-webkit-scrollbar-track{background:color-mix(in srgb, var(--surface-panel-strong) 88%, transparent)}.modal-frame-body--scroll::-webkit-scrollbar-track{background:color-mix(in srgb, var(--surface-panel-strong) 88%, transparent)}.modal-frame-pane--scroll::-webkit-scrollbar-thumb{border-radius:var(--radius-pill);background:color-mix(in srgb, var(--text-muted) 26%, var(--surface-panel-strong));background-clip:padding-box;border:.22rem solid #0000}.modal-frame-body--scroll::-webkit-scrollbar-thumb{border-radius:var(--radius-pill);background:color-mix(in srgb, var(--text-muted) 26%, var(--surface-panel-strong));background-clip:padding-box;border:.22rem solid #0000}.modal-frame-pane--scroll::-webkit-scrollbar-thumb:hover{background:color-mix(in srgb, var(--text-primary) 18%, var(--surface-panel-strong));background-clip:padding-box}.modal-frame-body--scroll::-webkit-scrollbar-thumb:hover{background:color-mix(in srgb, var(--text-primary) 18%, var(--surface-panel-strong));background-clip:padding-box}.modal-frame-actions{justify-content:flex-end;gap:var(--space-3);flex-wrap:wrap;display:flex}.confirmation-dialog{width:min(46rem,100vw - 2rem)}.confirmation-dialog-body-layout{--modal-body-padding-block-start:var(--space-6);--modal-body-padding-block-end:var(--space-6)}.confirmation-dialog-message{align-items:start;column-gap:var(--space-6);grid-template-columns:auto minmax(0,1fr);display:grid}.confirmation-dialog-message-icon{background:radial-gradient(circle at center, var(--surface-danger-soft) 0, color-mix(in srgb, var(--surface-danger-soft) 64%, transparent) 46%, transparent 76%);width:4.5rem;height:4.5rem;color:var(--danger);flex:none;justify-content:center;align-items:center;display:inline-flex;position:relative}.confirmation-dialog-message-icon svg{width:3.4rem;height:3.4rem}.confirmation-dialog-message-icon--warning{color:color-mix(in srgb, var(--danger) 84%, var(--text-secondary))}.confirmation-dialog-message-icon--danger{color:var(--danger)}.confirmation-dialog-message-copy{gap:var(--space-4);min-width:0;padding-top:var(--space-2);display:grid}.confirmation-dialog-body{max-width:34rem;color:color-mix(in srgb, var(--text-primary) 92%, var(--text-muted));margin:0;font-size:1.0625rem;line-height:1.72}.confirmation-dialog-inline-action{justify-self:start;align-items:center;gap:var(--space-2);color:var(--text-link);font-size:var(--size-ui-md);text-underline-offset:.16em;background:0 0;border:0;border-radius:0;padding:0;font-weight:600;line-height:1.4;text-decoration:underline;text-decoration-thickness:.08em;display:inline-flex}.confirmation-dialog-inline-action:hover{color:var(--accent-hover);background:0 0}.confirmation-dialog-inline-action:focus-visible{outline:2px solid var(--focus-ring);outline-offset:4px}.confirmation-dialog-inline-action svg{width:1rem;height:1rem}.confirmation-dialog-button{border-radius:var(--radius-lg);min-width:9.5rem;font-size:var(--size-ui-md);line-height:1;font-family:var(--font-ui);padding:.8rem 1.15rem;font-weight:500}.confirmation-dialog-button--quiet{border-color:var(--border-subtle);background:color-mix(in srgb, var(--surface-panel) 84%, var(--surface-writing) 16%);color:var(--text-secondary)}.confirmation-dialog-button--warning{border-color:var(--border-panel);background:color-mix(in srgb, var(--surface-writing) 94%, var(--surface-panel));color:var(--text-primary)}.confirmation-dialog-button--danger{border-color:var(--border-danger);background:var(--danger);color:var(--text-on-danger)}.confirmation-dialog-button--warning:hover{background:color-mix(in srgb, var(--surface-writing) 86%, var(--surface-panel))}.confirmation-dialog-button--danger:hover{background:var(--danger-hover)}.help-screen{--help-screen-sidebar-width:12rem;--help-screen-panel-gap:var(--space-4);--help-screen-section-gap:var(--space-5);--help-screen-row-padding-block:var(--space-3);--modal-body-padding-block-end:var(--space-5);--modal-pane-padding-block-start:var(--space-5);--modal-pane-padding-block-end:var(--space-4);--modal-pane-padding-inline-start:var(--space-5);--modal-pane-padding-inline-end:var(--space-4);width:min(60rem,100vw - 2rem);height:min(46rem,100vh - 2rem)}.help-screen-sidebar{border-right:1px solid color-mix(in srgb, var(--border-panel) 82%, transparent);background:color-mix(in srgb, var(--surface-panel) 92%, var(--surface-writing))}.help-screen-sidebar-list{gap:var(--space-2);display:grid}.help-screen-nav-item{appearance:none;border-radius:var(--radius-lg);width:100%;color:color-mix(in srgb, var(--text-primary) 80%, var(--text-muted));padding:var(--space-3) var(--space-4);text-align:left;font:inherit;font-size:var(--size-ui-sm);cursor:pointer;background:0 0;border:1px solid #0000;font-weight:500;line-height:1.2;transition:border-color .12s,background-color .12s,color .12s,transform .12s}.help-screen-nav-item:hover{background:var(--surface-hover);color:var(--text-primary)}.help-screen-nav-item:focus-visible{color:var(--text-primary);background:0 0;border-color:#0000;outline:none}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:0s!important;animation-duration:0s!important}}.help-screen-nav-item.is-selected{color:var(--text-primary);-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none;text-underline-offset:.24em;background:0 0;border-color:#0000;font-weight:700;text-decoration-line:underline;text-decoration-thickness:.16em}.help-screen-nav-item.is-selected:hover,.help-screen-nav-item.is-selected:focus-visible{color:var(--text-primary);background:0 0;border-color:#0000}.help-screen-panel{isolation:isolate;grid-template-rows:minmax(0,1fr);min-width:0;height:100%;min-height:0;display:grid;position:relative;overflow:hidden}.help-screen-panel-body{--modal-body-gap:var(--help-screen-section-gap)}.help-screen-panel-section{gap:var(--help-screen-panel-gap);min-width:0;scroll-margin-top:var(--space-4);display:grid}.help-screen-panel-section-header{padding:0 0 var(--space-4);align-content:start;display:grid}.help-screen-panel-section-header h3{letter-spacing:-.05em;min-width:0;max-width:100%;font-size:clamp(2rem,4vw,2.7rem);font-weight:600;line-height:.96;font-family:var(--font-document);overflow-wrap:anywhere;margin:0}.help-screen-panel-section-body{gap:var(--help-screen-panel-gap);display:grid}.help-screen-sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.help-screen-mobile-menu-toggle,.help-screen-mobile-menu,.help-screen-mobile-menu-scrim{display:none}.help-screen-help-sections{gap:var(--help-screen-section-gap);display:grid}.help-screen-section-card{align-content:start;gap:var(--space-4);min-width:0;margin:0;padding:0;display:grid}.help-screen-section-marker{align-items:center;margin:0;padding-top:0;display:flex}.help-screen-section-marker h3{font-size:var(--size-ui-xs);letter-spacing:.16em;text-transform:uppercase;color:var(--text-muted);font-weight:600}.help-screen-section-list{gap:0;padding-left:1rem;display:grid}.help-screen-stack{gap:var(--space-5);max-width:40rem;display:grid}.help-screen-prose{gap:var(--space-4);max-width:40rem;display:grid}.help-screen-prose p,.help-screen-intro,.help-screen-legal-row dd p{color:color-mix(in srgb, var(--text-primary) 92%, var(--text-muted));font-size:var(--size-ui-md);margin:0;line-height:1.6}.help-screen-detail-list,.help-screen-legal-list{gap:0;margin:0;display:grid}.help-screen-detail-row,.help-screen-legal-row{gap:var(--space-2);padding:var(--space-4) 0;border-bottom:1px solid color-mix(in srgb, var(--border-default) 56%, transparent);display:grid}.help-screen-detail-row:first-child,.help-screen-legal-row:first-child{padding-top:0}.help-screen-detail-row:last-child,.help-screen-legal-row:last-child{border-bottom:0;padding-bottom:0}.help-screen-detail-row dt,.help-screen-legal-row dt{color:var(--text-muted);font-size:var(--size-ui-xs);letter-spacing:.14em;text-transform:uppercase;margin:0;font-weight:600}.help-screen-detail-row dd,.help-screen-legal-row dd{gap:var(--space-1);min-width:0;color:color-mix(in srgb, var(--text-primary) 94%, var(--text-muted));font-size:var(--size-ui-md);margin:0;line-height:1.55;display:grid}.help-screen-detail-row a,.help-screen-legal-row a{color:inherit;text-underline-offset:.14em;text-decoration-thickness:.08em}.help-screen-legal-list{max-width:44rem}.help-screen-row{gap:var(--space-4);padding:var(--help-screen-row-padding-block) 0;border-bottom:1px solid color-mix(in srgb, var(--border-default) 56%, transparent);grid-template-columns:minmax(0,1fr) auto;align-items:center;display:grid}.help-screen-row:last-child{border-bottom:0}.help-screen-action-label{font-size:var(--size-ui-md);min-width:0;line-height:1.28}.help-screen-shortcut{min-width:0;padding:var(--space-1) var(--space-2);border:1px solid color-mix(in srgb, var(--border-subtle) 92%, transparent);border-radius:var(--radius-pill);background:var(--surface-shortcut);color:color-mix(in srgb, var(--text-primary) 68%, var(--text-muted));text-align:center;font-family:var(--font-mono);font-size:var(--size-ui-xs);letter-spacing:.02em;white-space:nowrap;line-height:1}.help-screen-shortcut.is-empty{color:color-mix(in srgb, var(--text-muted) 88%, transparent);background:0 0;border-color:#0000}.diagram-meta-select,.diagram-meta-input{appearance:none;border:0;border-bottom:1px solid var(--border-default);height:1.15rem;color:inherit;font-family:inherit;font-size:inherit;letter-spacing:inherit;font-variant-numeric:tabular-nums;vertical-align:middle;background:0 0;border-radius:0;align-items:center;padding:0;line-height:1;display:inline-flex}.diagram-meta-select{padding-inline:.2rem .28rem}.diagram-meta-input{text-align:center;min-width:0;padding:0}@media (width<=740px){.app-shell{padding:98px 14px 40px}.page{padding:28px 18px 40px}.editor-topbar-shell{top:10px;left:10px;right:10px}.editor-topbar{border-radius:24px;justify-content:flex-start;padding:.45rem}.diagram-palette{flex-wrap:nowrap;width:auto;overflow:visible}.diagram-palette .tiptap-toolbar-group{flex-wrap:nowrap}.diagram-palette .editor-toolbar-shortcut-hint{display:none}.diagram-stage{gap:.75rem;display:grid}.diagram-meta-line{white-space:normal}.popover-editor--floating{gap:var(--space-3);padding:var(--space-3)}.popover-editor--link,.popover-editor--share{min-width:min(100vw - 20px,24rem);max-width:min(100vw - 20px,24rem)}.popover-editor-panel-footer{flex-direction:column-reverse;align-items:stretch}.popover-editor-text-button{width:100%}.help-screen{--modal-panel-inset:var(--space-5);--modal-header-padding-block-start:var(--space-6);--modal-header-padding-block-end:var(--space-5);--modal-body-padding-block-end:var(--space-4);--modal-pane-padding-block-start:var(--space-4);--modal-pane-padding-block-end:var(--space-4);--modal-pane-padding-inline-start:var(--space-5);--modal-pane-padding-inline-end:var(--space-5);--help-screen-panel-gap:var(--space-4);--help-screen-section-gap:var(--space-4)}.modal-frame--with-sidebar .modal-frame-layout{grid-template-columns:1fr;height:100%}.help-screen .modal-frame-sidebar{display:none}.help-screen-mobile-menu-toggle{border-color:var(--border-subtle);background:color-mix(in srgb, var(--surface-panel) 84%, var(--surface-writing) 16%);width:2.5rem;min-width:2.5rem;height:2.5rem;color:var(--text-secondary);padding:0;display:inline-flex}.help-screen-mobile-menu-toggle:hover{background:color-mix(in srgb, var(--surface-panel) 74%, var(--surface-writing) 26%);color:var(--text-primary)}.help-screen-sidebar-list{grid-template-columns:repeat(2,minmax(0,1fr))}.help-screen-mobile-menu .help-screen-sidebar-list{grid-template-columns:1fr}.help-screen-nav-item{min-height:2.6rem}.help-screen-mobile-menu-scrim{z-index:2;background:color-mix(in srgb, var(--text-primary) 10%, transparent);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border:0;border-radius:0;padding:0;display:block;position:absolute;inset:0}.help-screen-mobile-menu{top:var(--space-4);left:0;bottom:var(--space-4);z-index:3;width:min(17rem, calc(100% - var(--space-6)));border:1px solid 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