.react-flow{--xy-edge-stroke-default:#b1b1b7;--xy-edge-stroke-width-default:1;--xy-edge-stroke-selected-default:#555;--xy-connectionline-stroke-default:#b1b1b7;--xy-connectionline-stroke-width-default:1;--xy-attribution-background-color-default:#ffffff80;--xy-minimap-background-color-default:#fff;--xy-minimap-mask-background-color-default:#f0f0f099;--xy-minimap-mask-stroke-color-default:transparent;--xy-minimap-mask-stroke-width-default:1;--xy-minimap-node-background-color-default:#e2e2e2;--xy-minimap-node-stroke-color-default:transparent;--xy-minimap-node-stroke-width-default:2;--xy-background-color-default:transparent;--xy-background-pattern-dots-color-default:#91919a;--xy-background-pattern-lines-color-default:#eee;--xy-background-pattern-cross-color-default:#e2e2e2;background-color:var(--xy-background-color,var(--xy-background-color-default));--xy-node-border-default:1px solid #bbb;--xy-node-border-selected-default:1px solid #555;--xy-handle-background-color-default:#333;--xy-selection-background-color-default:#9696b41a;--xy-selection-border-default:1px dotted #9b9b9bcc;--xy-resize-background-color-default:#3367d9;direction:ltr}.react-flow.dark{--xy-edge-stroke-default:#3e3e3e;--xy-edge-stroke-width-default:1;--xy-edge-stroke-selected-default:#727272;--xy-connectionline-stroke-default:#b1b1b7;--xy-connectionline-stroke-width-default:1;--xy-attribution-background-color-default:#96969640;--xy-minimap-background-color-default:#141414;--xy-minimap-mask-background-color-default:#3c3c3c99;--xy-minimap-mask-stroke-color-default:transparent;--xy-minimap-mask-stroke-width-default:1;--xy-minimap-node-background-color-default:#2b2b2b;--xy-minimap-node-stroke-color-default:transparent;--xy-minimap-node-stroke-width-default:2;--xy-background-color-default:#141414;--xy-background-pattern-dots-color-default:#555;--xy-background-pattern-lines-color-default:#333;--xy-background-pattern-cross-color-default:#333;--xy-node-color-default:#f8f8f8}.react-flow__background{background-color:var(--xy-background-color-props,var(--xy-background-color,var(--xy-background-color-default)));pointer-events:none;z-index:-1}.react-flow__container{width:100%;height:100%;position:absolute;top:0;left:0}.react-flow__pane{z-index:1;touch-action:none}.react-flow__pane.draggable{cursor:grab}.react-flow__pane.dragging{cursor:grabbing}.react-flow__pane.selection{cursor:pointer}.react-flow__viewport{transform-origin:0 0;z-index:2;pointer-events:none}.react-flow__renderer{z-index:4}.react-flow__selection{z-index:6}.react-flow__nodesselection-rect:focus,.react-flow__nodesselection-rect:focus-visible{outline:none}.react-flow__edge-path{stroke:var(--xy-edge-stroke,var(--xy-edge-stroke-default));stroke-width:var(--xy-edge-stroke-width,var(--xy-edge-stroke-width-default));fill:none}.react-flow__connection-path{stroke:var(--xy-connectionline-stroke,var(--xy-connectionline-stroke-default));stroke-width:var(--xy-connectionline-stroke-width,var(--xy-connectionline-stroke-width-default));fill:none}.react-flow .react-flow__edges{position:absolute}.react-flow .react-flow__edges svg{pointer-events:none;position:absolute;overflow:visible}.react-flow__edge{pointer-events:visibleStroke}.react-flow__edge.selectable{cursor:pointer}.react-flow__edge.animated path{stroke-dasharray:5;animation:.5s linear infinite dashdraw}.react-flow__edge.animated path.react-flow__edge-interaction{stroke-dasharray:none;animation:none}.react-flow__edge.inactive{pointer-events:none}.react-flow__edge.selected,.react-flow__edge:focus,.react-flow__edge:focus-visible{outline:none}.react-flow__edge.selected .react-flow__edge-path,.react-flow__edge.selectable:focus .react-flow__edge-path,.react-flow__edge.selectable:focus-visible .react-flow__edge-path{stroke:var(--xy-edge-stroke-selected,var(--xy-edge-stroke-selected-default))}.react-flow__edge-textwrapper{pointer-events:all}.react-flow__edge .react-flow__edge-text{pointer-events:none;-webkit-user-select:none;user-select:none}.react-flow__arrowhead polyline{stroke:var(--xy-edge-stroke,var(--xy-edge-stroke-default))}.react-flow__arrowhead polyline.arrowclosed{fill:var(--xy-edge-stroke,var(--xy-edge-stroke-default))}.react-flow__connection{pointer-events:none}.react-flow__connection .animated{stroke-dasharray:5;animation:.5s linear infinite dashdraw}svg.react-flow__connectionline{z-index:1001;position:absolute;overflow:visible}.react-flow__nodes{pointer-events:none;transform-origin:0 0}.react-flow__node{-webkit-user-select:none;user-select:none;pointer-events:all;transform-origin:0 0;box-sizing:border-box;cursor:default;position:absolute}.react-flow__node.selectable{cursor:pointer}.react-flow__node.draggable{cursor:grab;pointer-events:all}.react-flow__node.draggable.dragging{cursor:grabbing}.react-flow__nodesselection{z-index:3;transform-origin:0 0;pointer-events:none}.react-flow__nodesselection-rect{pointer-events:all;cursor:grab;position:absolute}.react-flow__handle{pointer-events:none;background-color:var(--xy-handle-background-color,var(--xy-handle-background-color-default));min-width:5px;min-height:5px;position:absolute}.react-flow__handle.connectingfrom{pointer-events:all}.react-flow__handle.connectionindicator{pointer-events:all;cursor:crosshair}.react-flow__handle-bottom{top:auto;bottom:0;left:50%;transform:translate(-50%,50%)}.react-flow__handle-top{top:0;left:50%;transform:translate(-50%,-50%)}.react-flow__handle-left{top:50%;left:0;transform:translate(-50%,-50%)}.react-flow__handle-right{top:50%;right:0;transform:translate(50%,-50%)}.react-flow__edgeupdater{cursor:move;pointer-events:all}.react-flow__pane.selection .react-flow__panel{pointer-events:none}.react-flow__panel{z-index:5;margin:15px;position:absolute}.react-flow__panel.top{top:0}.react-flow__panel.bottom{bottom:0}.react-flow__panel.top.center,.react-flow__panel.bottom.center{left:50%;transform:translate(-15px)translate(-50%)}.react-flow__panel.left{left:0}.react-flow__panel.right{right:0}.react-flow__panel.left.center,.react-flow__panel.right.center{top:50%;transform:translateY(-15px)translateY(-50%)}.react-flow__attribution{background:var(--xy-attribution-background-color,var(--xy-attribution-background-color-default));margin:0;padding:2px 3px;font-size:10px}.react-flow__attribution a{color:#999;text-decoration:none}@keyframes dashdraw{0%{stroke-dashoffset:10px}}.react-flow__edgelabel-renderer{pointer-events:none;-webkit-user-select:none;user-select:none;width:100%;height:100%;position:absolute;top:0;left:0}.react-flow__viewport-portal{-webkit-user-select:none;user-select:none;width:100%;height:100%;position:absolute;top:0;left:0}.react-flow__minimap{background:var(--xy-minimap-background-color-props,var(--xy-minimap-background-color,var(--xy-minimap-background-color-default)))}.react-flow__minimap-svg{display:block}.react-flow__minimap-mask{fill:var(--xy-minimap-mask-background-color-props,var(--xy-minimap-mask-background-color,var(--xy-minimap-mask-background-color-default)));stroke:var(--xy-minimap-mask-stroke-color-props,var(--xy-minimap-mask-stroke-color,var(--xy-minimap-mask-stroke-color-default)));stroke-width:var(--xy-minimap-mask-stroke-width-props,var(--xy-minimap-mask-stroke-width,var(--xy-minimap-mask-stroke-width-default)))}.react-flow__minimap-node{fill:var(--xy-minimap-node-background-color-props,var(--xy-minimap-node-background-color,var(--xy-minimap-node-background-color-default)));stroke:var(--xy-minimap-node-stroke-color-props,var(--xy-minimap-node-stroke-color,var(--xy-minimap-node-stroke-color-default)));stroke-width:var(--xy-minimap-node-stroke-width-props,var(--xy-minimap-node-stroke-width,var(--xy-minimap-node-stroke-width-default)))}.react-flow__background-pattern.dots{fill:var(--xy-background-pattern-color-props,var(--xy-background-pattern-color,var(--xy-background-pattern-dots-color-default)))}.react-flow__background-pattern.lines{stroke:var(--xy-background-pattern-color-props,var(--xy-background-pattern-color,var(--xy-background-pattern-lines-color-default)))}.react-flow__background-pattern.cross{stroke:var(--xy-background-pattern-color-props,var(--xy-background-pattern-color,var(--xy-background-pattern-cross-color-default)))}.react-flow__controls{flex-direction:column;display:flex}.react-flow__controls.horizontal{flex-direction:row}.react-flow__controls-button{justify-content:center;align-items:center;width:26px;height:26px;padding:4px;display:flex}.react-flow__controls-button svg{fill:currentColor;width:100%;max-width:12px;max-height:12px}.react-flow__node-input,.react-flow__node-default,.react-flow__node-output,.react-flow__node-group{border:var(--xy-node-border,var(--xy-node-border-default));color:var(--xy-node-color,var(--xy-node-color-default))}.react-flow__node-input.selected,.react-flow__node-input:focus,.react-flow__node-input:focus-visible,.react-flow__node-default.selected,.react-flow__node-default:focus,.react-flow__node-default:focus-visible,.react-flow__node-output.selected,.react-flow__node-output:focus,.react-flow__node-output:focus-visible,.react-flow__node-group.selected,.react-flow__node-group:focus,.react-flow__node-group:focus-visible{border:var(--xy-node-border-selected,var(--xy-node-border-selected-default));outline:none}.react-flow__nodesselection-rect,.react-flow__selection{background:var(--xy-selection-background-color,var(--xy-selection-background-color-default));border:var(--xy-selection-border,var(--xy-selection-border-default))}.react-flow__resize-control{position:absolute}.react-flow__resize-control.left,.react-flow__resize-control.right{cursor:ew-resize}.react-flow__resize-control.top,.react-flow__resize-control.bottom{cursor:ns-resize}.react-flow__resize-control.top.left,.react-flow__resize-control.bottom.right{cursor:nwse-resize}.react-flow__resize-control.bottom.left,.react-flow__resize-control.top.right{cursor:nesw-resize}.react-flow__resize-control.handle{background-color:var(--xy-resize-background-color,var(--xy-resize-background-color-default));border:1px solid #fff;border-radius:1px;width:5px;height:5px;translate:-50% -50%}.react-flow__resize-control.handle.left{top:50%;left:0}.react-flow__resize-control.handle.right{top:50%;left:100%}.react-flow__resize-control.handle.top{top:0;left:50%}.react-flow__resize-control.handle.bottom{top:100%;left:50%}.react-flow__resize-control.handle.top.left,.react-flow__resize-control.handle.bottom.left{left:0}.react-flow__resize-control.handle.top.right,.react-flow__resize-control.handle.bottom.right{left:100%}.react-flow__resize-control.line{border-color:var(--xy-resize-background-color,var(--xy-resize-background-color-default));border-style:solid;border-width:0}.react-flow__resize-control.line.left,.react-flow__resize-control.line.right{width:1px;height:100%;top:0;transform:translate(-50%)}.react-flow__resize-control.line.left{border-left-width:1px;left:0}.react-flow__resize-control.line.right{border-right-width:1px;left:100%}.react-flow__resize-control.line.top,.react-flow__resize-control.line.bottom{width:100%;height:1px;left:0;transform:translateY(-50%)}.react-flow__resize-control.line.top{border-top-width:1px;top:0}.react-flow__resize-control.line.bottom{border-bottom-width:1px;top:100%}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:system-ui,-apple-system,Segoe UI,sans-serif;font-size:14px}.app{background:var(--bg);height:100%;color:var(--fg);flex-direction:column;display:flex}button,select,input,textarea{font:inherit;color:inherit;background:var(--bg);border:1px solid var(--border);border-radius:6px}button{cursor:pointer;padding:4px 10px}button:disabled{opacity:.45;cursor:default}button.link{color:var(--accent);background:0 0;border:0;padding:0;text-decoration:underline}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.muted{color:var(--muted)}.toolbar{border-bottom:1px solid var(--border);background:var(--panel);align-items:center;gap:8px;min-height:44px;padding:6px 12px;display:flex;overflow-x:auto}.toolbar button,.toolbar .status{white-space:nowrap;flex-shrink:0}.toolbar select{min-width:120px;max-width:260px;padding:4px 6px}.toolbar input{padding:4px 8px}.brand{white-space:nowrap;align-items:center;gap:6px;margin-right:4px;font-weight:700;display:inline-flex}.brand img{width:26px;height:26px;display:block}.brand-word{letter-spacing:.5px;font:400 24px/1 Gochi Hand,Comic Sans MS,cursive}.wordmark em{background:linear-gradient(transparent 12%, var(--swash) 12%, var(--swash) 88%, transparent 88%);padding:0 2px;font-style:normal}.wordmark-g{vertical-align:-.104em;width:.656em;height:.708em;margin-left:-.02em;display:inline-block;overflow:visible}.sep{background:var(--border);width:1px;height:20px}.spacer{flex:1}.toolbar-side{flex:none;align-items:center;gap:8px;display:flex}.toolbar-end{flex:1}.toolbar.has-tabs .toolbar-side{flex:1 1 0}.toolbar.has-tabs select{flex:auto;width:120px}.toolbar.has-tabs .status{text-overflow:ellipsis;text-align:right;flex:1 1 0;width:0;min-width:0;overflow:hidden}.toolbar.has-tabs .spacer{display:none}.toolbar.has-tabs .status-error,.toolbar.has-tabs .status-offline{flex:none;width:auto}@media (width<=1279px){.toolbar.has-tabs .brand-word{display:none}.toolbar.has-tabs .toolbar-side{gap:6px}.toolbar.has-tabs .toolbar-side>button{padding-inline:8px}}.toolbar-tabs{flex:none;justify-content:center;display:flex}.status{color:var(--muted);font-size:13px}.status-offline,.status-error{color:var(--danger)}.banner,.conflicts{border-bottom:1px solid var(--border);background:color-mix(in srgb, var(--accent) 10%, var(--bg));align-items:center;gap:10px;padding:8px 12px;display:flex}.banner span{flex:1}.conflicts{background:color-mix(in srgb, var(--danger) 10%, var(--bg));flex-direction:column;align-items:stretch}.conflicts ul{margin:4px 0 0;padding:0;list-style:none}.conflicts li{align-items:center;gap:8px;padding:2px 0;display:flex}.conflicts li>span{flex:1}.workspace{flex:1;min-height:0;display:flex}.wb-canvas{flex:1;min-width:0;position:relative}.empty{text-align:center;color:var(--muted);flex:1;place-content:center;padding:16px;display:grid}.crash-actions{justify-content:center;gap:10px;display:flex}.crash-detail{overflow-wrap:anywhere;font-size:.8rem}.wb-node{text-align:center;white-space:nowrap;cursor:default;outline-offset:3px;position:relative}.wb-node.is-selected{outline-width:3px;outline-style:solid}.wb-node.is-draft .wb-title{opacity:.4}.wb-table{border-collapse:collapse;table-layout:fixed;text-align:left;color:var(--fg);margin:6px auto 0}.wb-node .wb-table th,.wb-node .wb-table td{text-overflow:ellipsis;padding:0 8px;overflow:hidden}.wb-table tbody tr{border-top:.75px solid}.wb-code{text-align:left;border-radius:4px;margin:6px 0 0;padding:4px 8px;overflow:hidden}.wb-changed{background:var(--warn);border:2px solid var(--bg);border-radius:50%;width:10px;height:10px;position:absolute;top:-4px;right:-4px}.wb-editor{border:2px solid var(--accent);background:var(--bg);min-height:100%;color:var(--fg);text-align:center;resize:none;z-index:10;border-radius:8px;padding:6px 10px;position:absolute;inset:0 auto auto 0;overflow:hidden}.react-flow__controls button{background:var(--panel);border:0;border-bottom:1px solid var(--border);color:var(--fg);fill:var(--fg);border-radius:0}.app.is-fullscreen>.toolbar{display:none}.app.is-fullscreen{background:var(--bg)}@media (prefers-reduced-motion:no-preference){.react-flow__node{transition:transform .15s ease-out}}.panel{border-left:1px solid var(--border);background:var(--panel);flex-shrink:0;width:340px;overflow-y:auto}.panel-body{padding:12px 14px 24px}.panel header{justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:8px;display:flex}.panel h2{overflow-wrap:anywhere;margin:0;font-size:16px}.panel h3{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:18px 0 6px;font-size:12px}.node-id{color:var(--muted);white-space:nowrap;font-size:11px}.field{flex-direction:column;flex:1;gap:3px;min-width:0;margin-bottom:10px;display:flex}.field label{color:var(--muted);font-size:12px}.field input,.field select,.field textarea{width:100%;padding:5px 7px}.field textarea{resize:vertical}.mono{font-family:DejaVu Sans Mono,Menlo,Consolas,monospace;font-size:12px}.hint{color:var(--muted);font-size:12px}.row{gap:8px;display:flex}.issues{margin:0 0 12px;padding:0;font-size:12px;list-style:none}.issues li{border-left:3px solid var(--muted);margin-bottom:4px;padding:3px 0 3px 8px}.issues .issue-error{border-color:var(--danger)}.issues .issue-warning{border-color:var(--warn)}.sources{padding-left:18px}.sources a{color:var(--accent)}.toast{background:var(--fg);max-width:min(560px,100% - 32px);color:var(--bg);z-index:100;border-radius:8px;padding:8px 14px;position:fixed;bottom:16px;left:50%;transform:translate(-50%)}.dialog-backdrop{z-index:200;background:#00000059;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.dialog{background:var(--bg);border:1px solid var(--border);border-radius:12px;width:100%;max-width:520px;max-height:90vh;padding:18px 22px;overflow:auto}.dialog h2{margin-top:0}.dialog td{vertical-align:top;padding:4px 12px 4px 0}kbd{border:1px solid var(--border);background:var(--panel);white-space:nowrap;border-radius:4px;padding:1px 6px;font-family:inherit;font-size:12px}.panel-bar{align-items:center;gap:8px;padding:8px 14px 0;display:flex}.workspace:has(>.panel.is-max){position:relative}.workspace:has(>.panel.is-max)>.map-area{visibility:hidden}.panel.is-max{z-index:20;width:auto;position:absolute;inset:0}.app.is-sketch .panel.is-max{border-left:0}.panel-max[aria-pressed=true]{background:0 0}.panel.is-max>*{width:100%;max-width:820px;margin-inline:auto}@media (width<=760px){.panel{z-index:20;border-left:0;border-top:1px solid var(--border);width:auto;max-height:62%;padding-bottom:env(safe-area-inset-bottom);border-radius:14px 14px 0 0;position:absolute;bottom:0;left:0;right:0;box-shadow:0 -6px 24px #0000002e}.panel-bar{z-index:1;background:var(--panel);padding-bottom:6px;position:sticky;top:0}.toolbar{padding-top:max(6px, env(safe-area-inset-top));flex-wrap:wrap}.toolbar .toolbar-side{flex:none}.toolbar .toolbar-end{flex:1 1 0;min-width:0;padding:3px 0;overflow-x:auto}.toolbar-tabs{flex-basis:100%;order:1}.brand-word,.status{display:none}}.react-flow__node.is-dragging{opacity:.6;transition:none}.wb-node.is-drop-target{outline:3px dashed var(--accent);outline-offset:4px}.wb-node.is-link-source{outline:3px dashed var(--warn);outline-offset:4px}.is-linking .react-flow__node{cursor:crosshair}.wb-pin{width:14px;height:14px;color:var(--muted);position:absolute;top:-7px;left:-7px}.wb-link{cursor:pointer;pointer-events:all}.wb-link-hit{pointer-events:stroke}.wb-box{border:1px solid var(--accent);background:color-mix(in srgb, var(--accent) 12%, transparent);pointer-events:none;z-index:5;position:absolute}.palette-backdrop{place-items:start center;padding-top:12vh}.palette{background:var(--bg);border:1px solid var(--border);border-radius:12px;width:min(620px,100%);overflow:hidden}.palette input{border:0;border-bottom:1px solid var(--border);border-radius:0;width:100%;padding:12px 14px;font-size:16px}.palette ul{max-height:50vh;margin:0;padding:4px 0;list-style:none;overflow-y:auto}.palette li{cursor:pointer;align-items:baseline;gap:10px;padding:7px 14px;display:flex}.palette li.is-active{background:color-mix(in srgb, var(--accent) 14%, var(--bg))}.palette-title{white-space:nowrap}.palette-detail{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.palette li kbd{margin-left:auto}.palette-empty{color:var(--muted);cursor:default}.outline{flex:1;padding:12px 16px 40px;overflow:auto}.outline ul{margin:0;padding-left:20px;list-style:none}.outline>ul{padding-left:0}.outline-item{outline:none}.outline-row{border-radius:6px;align-items:baseline;gap:8px;min-width:0;padding:3px 6px;display:flex}.outline-row.is-selected{background:color-mix(in srgb, var(--accent) 14%, var(--bg))}.outline-item:focus-visible>.outline-row{outline:2px solid var(--accent);outline-offset:1px}.outline-toggle{width:12px;color:var(--muted);flex-shrink:0}.outline-label.is-draft{opacity:.5}.outline-meta{color:var(--muted);border:1px solid var(--border);border-radius:4px;padding:0 4px;font-size:11px}.outline-def{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:12px;overflow:hidden}.outline-changed{background:var(--warn);border-radius:50%;flex-shrink:0;width:8px;height:8px}.outline-editor{min-width:240px;padding:1px 6px}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}label.button{border:1px solid var(--border);background:var(--bg);color:var(--fg);cursor:pointer;border-radius:6px;padding:6px 14px;display:inline-block}label.button:focus-within{outline:2px solid var(--accent);outline-offset:2px}.toolbar .count{background:var(--accent);min-width:18px;color:var(--bg);text-align:center;border-radius:9px;margin-left:6px;padding:0 5px;font-size:11px;font-weight:700;line-height:18px;display:inline-block}.study{background:var(--paper-bg);flex-direction:column;flex:1;align-items:center;gap:12px;min-width:0;min-height:0;padding:14px clamp(12px,3vw,40px) 12px;display:flex}.study-progress{background:var(--border);border-radius:3px;flex-shrink:0;width:min(1100px,100%);height:5px}.study-progress>div{background:var(--accent);border-radius:3px;height:100%;transition:width .2s ease-out}.study-card{border:2px solid var(--ink,var(--border));background:var(--panel);width:min(1100px,100%);min-height:0;box-shadow:6px 7px 0 var(--border);border-radius:18px;flex-direction:column;flex:1;padding:clamp(14px,2vw,28px) clamp(16px,3vw,44px);display:flex}.study-context{color:var(--muted);flex-shrink:0;align-items:baseline;gap:10px;font-size:clamp(12px,1.1vw,15px);display:flex}.study-trail{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.study-count{font-variant-numeric:tabular-nums;flex-shrink:0;margin-left:auto}.study-body{flex-direction:column;flex:1;justify-content:safe center;gap:clamp(12px,2vh,24px);min-height:0;padding:clamp(12px,3vh,36px) 0;display:flex;overflow-y:auto}.study-body>*{width:100%;max-width:72ch;margin-inline:auto}.study-front{white-space:pre-line;overflow-wrap:anywhere;font-size:clamp(22px,2.4vw,36px);line-height:1.35}.study-card.is-revealed .study-front{color:var(--muted);font-size:clamp(18px,1.7vw,26px)}.study-divider{color:var(--accent);font:400 clamp(16px, 1.4vw, 22px) / 1 var(--font-hand,cursive);align-items:center;gap:12px;display:flex}.study-divider:before,.study-divider:after{content:"";border-top:2px solid var(--border);flex:1}.study-back{white-space:pre-line;overflow-wrap:anywhere;font-size:clamp(20px,2.1vw,32px);line-height:1.4}.study-hint{color:var(--muted);font-size:clamp(15px,1.3vw,19px)}.study-actions{flex-shrink:0;padding-top:12px}.study-reveal{width:100%;min-height:58px;font-size:clamp(16px,1.4vw,20px);font-weight:600}.study-grades{grid-template-columns:repeat(4,1fr);gap:10px;display:grid}.grade{flex-direction:column;align-items:center;gap:4px;min-height:60px;padding:8px 6px;font-size:clamp(14px,1.2vw,17px);display:flex}.grade-1{border-color:var(--danger)}.grade-3{border-color:var(--accent)}.grade-interval{color:var(--muted);font-size:12px}.study-footer{flex-shrink:0;gap:18px;display:flex}.study-done{text-align:center;flex:0 auto;justify-content:center;margin:auto 0;padding:40px 24px}@media (width<=759px){.study{gap:8px;padding:8px 0 6px}.study-progress{width:calc(100% - 24px)}.study-card{width:100%;box-shadow:none;padding:12px 16px calc(12px + env(safe-area-inset-bottom));border-left:0;border-right:0;border-radius:0}.study-grades{grid-template-columns:repeat(2,1fr)}.grade{min-height:56px}}button[aria-pressed=true]{background:color-mix(in srgb, var(--accent) 16%, var(--bg));border-color:var(--accent)}.wb-changed.kind-added{background:var(--ok)}.wb-changed.kind-edited,.wb-changed.kind-moved,.wb-changed.kind-linked,.wb-changed.kind-unlinked{background:var(--warn)}.review-batch{border-top:1px solid var(--border);margin-top:14px;padding-top:10px}.review-batch-head{align-items:center;gap:6px;display:flex}.review-batch-head span{flex:1;font-size:13px}.review-list{margin:8px 0 0;padding:0;list-style:none}.review-item{border-bottom:1px dashed var(--border);grid-template-columns:auto 1fr auto;align-items:baseline;gap:2px 8px;padding:5px 0;display:grid}.review-kind{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-size:11px}.kind-added .review-kind{color:var(--ok)}.kind-removed .review-kind{color:var(--danger)}.review-label{text-align:left;overflow-wrap:anywhere}.review-reject{padding:0 6px;font-size:12px}.review-detail{color:var(--muted);overflow-wrap:anywhere;grid-column:2/4;font-size:12px}.review-path{font-family:DejaVu Sans Mono,Menlo,Consolas,monospace}.review-detail del{color:var(--danger)}.review-detail ins{color:var(--ok);text-decoration:none}.stats{grid-template-columns:repeat(4,1fr);gap:6px;margin:4px 0 12px;display:grid}.stats div{border:1px solid var(--border);background:var(--bg);text-align:center;border-radius:8px;padding:6px}.stats dt{color:var(--muted);font-size:11px}.stats dd{margin:0;font-size:18px;font-weight:700}.legend{color:var(--muted);flex-wrap:wrap;gap:4px 12px;font-size:12px;display:flex}.legend i{vertical-align:-1px;border-radius:2px;width:10px;height:10px;display:inline-block}.weak-list{margin:0;padding:0;list-style:none}.weak-list li{align-items:baseline;gap:8px;padding:3px 0;font-size:13px;display:flex}.weak-list .link{text-align:left;flex:1}.band{font-size:12px;font-weight:700}.coverage{border-collapse:collapse;width:100%;font-size:12px}.coverage th,.coverage td{border-bottom:1px solid var(--border);text-align:left;vertical-align:top;padding:5px 4px;font-weight:400}.coverage thead th{color:var(--muted)}.coverage-title{color:var(--muted);display:block}.coverage tr.gap td:nth-child(2){color:var(--danger);font-weight:700}.bar{background:var(--border);border-radius:3px;height:5px;margin-bottom:3px;display:block;overflow:hidden}.bar span{height:100%;display:block}.other-domains{margin:0;padding-left:18px;font-size:12px}.menu{z-index:150;border:1px solid var(--border);background:var(--bg);border-radius:8px;flex-direction:column;min-width:220px;padding:4px;display:flex;position:fixed;box-shadow:0 8px 24px #0000002e}.menu [role^=menuitem]{text-align:left;background:0 0;border:0;justify-content:space-between;gap:12px;padding:7px 10px;display:flex}.menu [role^=menuitem]:hover,.menu [role^=menuitem]:focus-visible{background:color-mix(in srgb, var(--accent) 14%, var(--bg))}.menu [aria-checked=true]:before{content:"✓ "}.wb-frame{border-radius:16px;position:relative}.wb-frame-label{font-size:13px;font-weight:700;position:absolute;top:7px;left:14px}.wb-frame.is-selected,.wb-sticky.is-selected{outline:3px solid var(--accent);outline-offset:3px}.wb-sticky{white-space:nowrap;cursor:grab;border-radius:4px;box-shadow:0 1px 3px #00000040}.wb-sticky-empty{opacity:.5;font-style:italic}.wb-sticky{position:relative}.wb-sticky-text{box-sizing:border-box;height:100%;position:relative}.wb-sticky-input{resize:none;width:100%;height:100%;color:inherit;font:inherit;white-space:pre-wrap;cursor:text;background:0 0;border:0;outline:none;margin:0;padding:0;display:block;overflow:hidden}.wb-sticky-tools{gap:4px;display:flex;position:absolute;top:3px;right:4px}.wb-sticky-tool{width:20px;height:20px;color:inherit;font:inherit;cursor:pointer;opacity:.8;background:#ffffffbf;border:1.5px solid;border-radius:50%;place-items:center;padding:0;font-size:15px;line-height:1;display:grid;position:relative}.wb-sticky-tool svg{width:12px;height:12px}.wb-sticky-tool:hover,.wb-sticky-tool:focus-visible,.wb-sticky-tool[aria-pressed=true]{opacity:1;background:#fff}.wb-sticky-tool[aria-pressed=true]{box-shadow:inset 0 0 0 1.5px}.wb-sticky-swatches{background:#fff;border:1px solid #0003;border-radius:999px;gap:6px;padding:5px 7px;display:flex;position:absolute;top:calc(100% + 8px);left:0;box-shadow:0 1px 3px #00000040}.wb-sticky-swatches button{cursor:pointer;border:1.5px solid #00000040;border-radius:50%;width:18px;height:18px;padding:0}.wb-sticky-swatches button[aria-checked=true]{outline-offset:1px;border-color:currentColor;outline:2px solid}@media (width<=760px){.wb-sticky-tools{gap:8px}.wb-sticky-tool:after,.wb-sticky-swatches button:after{content:"";position:absolute;inset:-5px}.wb-sticky-swatches{gap:10px}.wb-sticky-swatches button{position:relative}}.wb-sticky.is-sketch{box-shadow:none;white-space:pre;background:0 0;border-radius:0}.wb-sticky-paper{pointer-events:none;position:absolute;top:0;left:0;overflow:visible}.wb-sticky.is-sketch .wb-sticky-tools{top:4px;right:5px}.wb-sticky.is-sketch .wb-sticky-tool{background:#fffdf6;border-width:1.8px;border-radius:10px 12px 11px 13px/12px 10px 13px 11px;box-shadow:1.5px 2px #2a26222e}.wb-sticky.is-sketch .wb-sticky-swatches{border:2px solid var(--ink);background:var(--paper);box-shadow:2px 3px 0 var(--shadow);color:var(--ink);border-radius:14px 18px 16px 20px/18px 14px 20px 16px;transform:rotate(-.6deg)}.wb-sticky.is-sketch.is-selected{outline:3px solid var(--accent);outline-offset:6px}.wb-sticky-icon{cursor:grab;background:0 0;border:0;padding:0;display:block}.wb-sticky-icon svg{margin:-2px 0 0 -2px;display:block;overflow:visible}.wb-sticky-icon:hover svg,.wb-sticky-icon:focus-visible svg{transform:scale(1.12)}.wb-sticky-icon.is-selected{outline:3px solid var(--accent);outline-offset:4px;border-radius:4px}.note-hud{right:14px;bottom:max(14px, env(safe-area-inset-bottom));z-index:10;border:1px solid var(--border);background:var(--panel);color:var(--fg);cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;border-radius:999px;align-items:center;gap:6px;padding:4px 12px 4px 8px;font-size:14px;display:inline-flex;position:absolute;box-shadow:0 1px 3px #0003}.note-hud svg{overflow:visible}.note-hud.is-dragging{cursor:grabbing;opacity:.6}.note-hud.is-sketch{border:2px solid var(--ink);background:var(--paper);color:var(--ink);box-shadow:4px 5px 0 var(--shadow);padding:5px 14px 5px 9px;font-family:Gochi Hand,Comic Sans MS,cursive;font-size:18px;transform:rotate(.6deg)}.note-ghost{z-index:200;pointer-events:none;filter:drop-shadow(2px 3px 2px #00000040);position:fixed;overflow:visible}.app.is-sketch .wb-menu{border:2px solid var(--ink);background:var(--paper);min-width:200px;color:var(--ink);box-shadow:4px 5px 0 var(--shadow);border-radius:12px 14px 11px 15px/14px 11px 15px 12px;padding:6px;font-family:Gochi Hand,Comic Sans MS,cursive;font-size:18px}.app.is-sketch .wb-menu [role=menuitem]{color:var(--ink);border-radius:8px}.app.is-sketch .wb-menu [role=menuitem]:hover,.app.is-sketch .wb-menu [role=menuitem]:focus-visible{background:var(--paper-hi);outline:none}.wb-menu kbd{opacity:.6;font-size:.8em}@media (width<=760px){.note-hud span{display:none}.note-hud{bottom:calc(max(14px, env(safe-area-inset-bottom)) + 64px);border-radius:50%;padding:6px}}.wb-ink{cursor:grab;overflow:visible}.wb-ink-hit{pointer-events:stroke}.wb-ink.is-selected path:last-child{filter:drop-shadow(0 0 3px var(--accent))}.react-flow__node-ink{pointer-events:none}.react-flow__node-ink .wb-ink-hit{pointer-events:stroke}.wb-draw-layer{z-index:6;cursor:crosshair;touch-action:none;color:var(--fg);position:absolute;inset:0}.wb-draw-preview{pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.swatches{gap:6px;margin:4px 0 10px;display:inline-flex}.swatches button{border:2px solid var(--border);border-radius:50%;width:22px;height:22px;padding:0}.swatches button[aria-pressed=true]{border-color:var(--accent);outline:2px solid var(--accent);outline-offset:1px}.rich p{margin:0 0 .5em}.rich p:last-child,.rich ul:last-child,.rich ol:last-child{margin-bottom:0}.rich ul,.rich ol{margin:0 0 .5em;padding-left:1.3em}.rich code,.study code,.rich a{color:var(--accent)}.node-read{font-size:14px;line-height:1.45}.node-read h2{margin:0 0 8px}.node-read>.rich,.node-read>p{margin:0 0 10px}.read-paths{grid-template-columns:auto 1fr;gap:2px 8px;margin:0 0 10px;font-size:13px;display:grid}.read-paths dt{color:var(--muted);font-weight:700}.read-paths dd{overflow-wrap:anywhere;margin:0}.read-tip{border-left:3px solid var(--accent);background:color-mix(in srgb, var(--accent) 8%, transparent);border-radius:4px;margin:0 0 10px;padding:8px 10px}.read-table{margin:0 0 10px;overflow-x:auto}.read-table table{border-collapse:collapse;font-size:13px}.read-table th,.read-table td{border-bottom:1px solid var(--border);text-align:left;vertical-align:top;padding:4px 8px}.read-code{background:color-mix(in srgb, var(--fg) 8%, transparent);border-radius:6px;margin:0 0 10px;padding:8px 10px;font-size:12px;overflow-x:auto}.read-image{margin:0 0 10px}.read-image figcaption{margin-top:4px;font-size:12px}.read-children,.read-sources{margin:0;padding-left:1.2em}.read-sources{font-size:13px}.read-sources a{color:var(--accent);overflow-wrap:anywhere}.wb-title-row{justify-content:center;align-items:flex-start;display:flex}html:has(.library-wrap){height:auto;min-height:100%}html:has(.library-wrap) body{height:auto;min-height:100%}html:has(.library-wrap) #root{height:auto;min-height:100%}.app:has(>.workspace>.library-wrap){height:auto;min-height:100vh}.app:has(>.workspace>.library-wrap)>.toolbar{z-index:50;position:sticky;top:0}.library-wrap{overflow-wrap:anywhere;--rose:var(--accent);--font-hand:"Gochi Hand", "Comic Sans MS", cursive;min-width:0;color:var(--ink);background-color:var(--paper-bg);background-image:linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);background-size:28px 28px;flex:1;position:relative;overflow-x:clip}.library{z-index:1;max-width:1120px;margin:0 auto;padding:24px 16px 64px;position:relative}.home-backdrop{z-index:0;pointer-events:none;display:none;position:absolute;inset:0;overflow:hidden}@media (width>=1520px){.home-backdrop{display:block}}.home-backdrop-side{opacity:.85;width:calc(50% - 560px);height:100%;position:absolute;top:0;bottom:0}.home-backdrop-side.is-left{left:0;-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 90px),#0000);mask-image:linear-gradient(90deg,#000 calc(100% - 90px),#0000)}.home-backdrop-side.is-right{right:0;-webkit-mask-image:linear-gradient(270deg,#000 calc(100% - 90px),#0000);mask-image:linear-gradient(270deg,#000 calc(100% - 90px),#0000)}.app.is-dark .home-backdrop{opacity:.9}.app.is-dark .home-backdrop .hb-glow{filter:drop-shadow(0 0 5px)}.library-pages{transition:min-height .35s;position:relative;overflow:clip}.library-pages.is-sliding{transition:none}@media (prefers-reduced-motion:reduce){.library-pages{transition:none}}.library-pages.is-sliding>.library-grid.is-leaving{width:100%;animation:.6s cubic-bezier(.22,1,.36,1) forwards page-leave;position:absolute;inset:0 auto auto 0}.library-pages.is-sliding>.library-grid.is-entering{animation:.6s cubic-bezier(.22,1.35,.36,1) forwards page-enter}.library-pages.dir-1{--page-out:-100%;--page-in:100%}.library-pages.dir--1{--page-out:100%;--page-in:-100%}@keyframes page-leave{0%{opacity:1;transform:translate(0)}to{transform:translateX(var(--page-out));opacity:.4}}@keyframes page-enter{0%{transform:translateX(var(--page-in))}to{transform:translate(0)}}.library-pager{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin:28px 0 0;display:flex}.library .library-pager button{min-width:44px;min-height:44px;font:400 20px/1 var(--font-hand);box-shadow:3px 3px 0 var(--border);padding:6px 12px;transition:transform .12s}.library .library-pager button:hover:not(:disabled){transform:translateY(-2px)}.library .library-pager button:disabled{opacity:.45;cursor:default;box-shadow:none}.library .library-pager .pager-page.is-current{background:var(--ink);color:var(--paper)}.app.is-dark .library .library-pager .pager-page.is-current{box-shadow:0 0 8px var(--accent)}.library .muted{color:var(--ink-muted)}.library button,.library input{background:var(--paper);color:var(--ink);border:2px solid var(--ink);border-radius:8px}.library button{font:400 18px/1 var(--font-hand);padding:6px 14px}.library button:hover:not(:disabled){background:var(--paper-hi)}.library :focus-visible{outline:3px solid var(--rose);outline-offset:3px}.hero{text-align:center;padding:8px 0 12px;position:relative}.hero-top{flex-wrap:wrap;justify-content:center;align-items:center;gap:20px;padding:12px 0;display:flex;position:relative}.hero-logo{width:96px;height:96px}.hero-pill{padding:10px 44px 12px;position:relative}.hero-pill .sk-bg{z-index:0}.hero-title{font:400 clamp(44px, 7vw, 68px) / 1 var(--font-hand);letter-spacing:1px;white-space:nowrap;margin:0;position:relative}.hero-burst{pointer-events:none;place-items:center;width:160px;height:88px;display:grid;position:relative}.hero-burst svg{position:absolute;inset:0}.hero-burst-text{font:400 24px/.95 var(--font-hand);color:var(--rose);position:relative;transform:rotate(-6deg)}.hero-pitch{max-width:640px;color:var(--ink-muted);margin:6px auto 0;font:400 20px/1.35 Atkinson Hyperlegible,Verdana,sans-serif}.hero-features{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;max-width:920px;margin:0 auto;padding:0;list-style:none;display:grid}.feature{text-align:center;flex-direction:column;align-items:center;gap:6px;display:flex}.feature-arrow{margin:0 auto 4px;display:block;overflow:visible}.feature-icon{background:color-mix(in srgb, var(--tab) 40%, var(--paper));border:2px solid var(--ink);border-radius:50%;place-items:center;width:76px;height:76px;display:grid}.feature-title{font:400 30px/1 var(--font-hand);text-decoration:underline;-webkit-text-decoration-color:var(--tab);text-decoration-color:var(--tab);text-underline-offset:5px;text-decoration-thickness:4px}.feature-text{max-width:260px;color:var(--ink-muted);font:400 15px/1.4 Atkinson Hyperlegible,Verdana,sans-serif}.library-boards{margin-top:36px}.library-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:12px;display:flex}.library-head h2{font:400 42px/1 var(--font-hand);margin:0}.library-head p{margin:4px 0 0;font-size:15px}.library-new{flex-wrap:wrap;gap:8px;display:flex}.library-new input,.library-filters input{min-width:220px;padding:6px 12px;font-size:15px}.library-filters{flex-wrap:wrap;align-items:center;gap:10px;margin:18px 0 20px;display:flex}.chips{flex-wrap:wrap;gap:8px;display:flex}.library .chips button{border-radius:999px;padding:4px 14px;font-size:17px}.library .chips button[aria-pressed=true]{background:var(--ink);color:var(--paper)}.library-grid{grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:24px 28px;margin:0;padding:0 14px 14px 0;list-style:none;display:grid}.library .folder{text-align:left;width:100%;height:100%;font:inherit;background:0 0;border:0;border-radius:0;flex-direction:column;padding:0;display:flex;position:relative}.folder-bg{z-index:0;top:0;left:0}.folder:hover .folder-outline{stroke-width:3.4px}.folder-tab{z-index:1;max-width:calc(100% - 24px);font:400 22px/1.1 var(--font-hand);white-space:nowrap;text-overflow:ellipsis;align-self:flex-start;align-items:baseline;gap:10px;padding:4px 18px 2px 16px;display:inline-flex;position:relative;overflow:hidden}.folder-no{opacity:.85;font-size:19px}.folder-body{z-index:1;flex-direction:column;flex:1;gap:8px;margin-bottom:12px;margin-right:12px;padding:14px 16px 16px;display:flex;position:relative}.folder-title{font:400 24px/1.1 var(--font-hand)}.folder-meta,.folder-study{color:var(--ink-muted);flex-wrap:wrap;align-items:center;gap:4px 10px;font:400 13px/1.3 Atkinson Hyperlegible,Verdana,sans-serif;display:flex}.folder-study{flex-direction:column;align-items:stretch}.folder-study .bar{border:1.5px solid var(--ink);background:var(--paper);border-radius:999px;height:10px;display:block;overflow:hidden}.folder-study .bar>span{height:100%;display:block}.folder-badges{flex-wrap:wrap;gap:6px;margin-top:auto;display:flex}.folder-badges:empty{display:none}.folder .count{border:1.5px solid var(--ink);background:var(--paper-hi);color:var(--ink);font:400 15px/1.2 var(--font-hand);border-radius:999px;padding:2px 10px;display:inline-block}.folder .count-review{background:var(--c-coral);color:var(--on-color)}.library-empty{text-align:center;color:var(--ink-muted);margin-top:40px}.library-empty h3{font:400 32px/1 var(--font-hand);color:var(--ink)}@media (prefers-reduced-motion:no-preference){.folder{transition:transform .12s ease-out}.folder:hover{transform:translate(-1px,-2px)}}@media (width<=759px){.hero-top{gap:8px}.hero-logo{width:72px;height:72px}.hero-pill{padding:8px 28px 10px}.hero-burst{display:none}.hero-pitch{font-size:17px}.hero-features{grid-template-columns:1fr;gap:16px;margin-top:12px}.feature{text-align:left;flex-direction:row;gap:14px}.feature-arrow{display:none}.feature-icon{flex:none;width:64px;height:64px}.feature-title{font-size:26px}.feature>.feature-text{max-width:none}.library-grid{grid-template-columns:1fr}.library-new input,.library-filters input{flex:160px;min-width:0}.feature{grid-template-columns:auto 1fr;grid-template-areas:"icon title""icon text";align-items:center;display:grid}.feature-icon{grid-area:icon}.feature-title{grid-area:title;justify-self:start}.feature-text{grid-area:text}}.history-list{margin:0;padding:0;list-style:none}.history-list li{border-bottom:1px dashed var(--border);align-items:center;gap:6px;padding:6px 0;font-size:13px;display:flex}.history-main{overflow-wrap:anywhere;flex-direction:column;flex:1;min-width:0;display:flex}.history-main .muted{font-size:12px}.history-source{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-size:11px;font-weight:700}.history-source.source-mcp{color:var(--accent)}.panel form.row input{flex:1;min-width:0;padding:5px 7px}.wb-path{opacity:.72;white-space:nowrap;margin-top:3px}.wb-image{margin:6px auto 0}.wb-image img{cursor:zoom-in;background:var(--panel);object-fit:contain;border-radius:4px;display:block}.wb-image-placeholder{background:var(--panel);border-radius:4px}.wb-image figcaption{opacity:.7;font-size:9px;line-height:14px}.lightbox figure{flex-direction:column;align-items:center;gap:8px;max-width:95vw;max-height:92vh;margin:0;display:flex}.lightbox img{object-fit:contain;background:#fff;border-radius:6px;max-width:95vw;max-height:84vh}.lightbox figcaption{color:#fff;font-size:14px}.lightbox figcaption .muted{color:#ddd}.image-preview{cursor:zoom-in;width:100%;margin-bottom:10px;padding:0;display:block}.image-preview img{border-radius:6px;width:100%;display:block}@font-face{font-family:Gochi Hand;src:url(/fonts/GochiHand-Regular.woff2)format("woff2");font-display:block}@font-face{font-family:Atkinson Hyperlegible;src:url(/fonts/AtkinsonHyperlegible-Regular.woff2)format("woff2");font-weight:400;font-display:block}@font-face{font-family:Atkinson Hyperlegible;src:url(/fonts/AtkinsonHyperlegible-Bold.woff2)format("woff2");font-weight:700;font-display:block}.sk{color:var(--ink);cursor:pointer;position:relative}.sk-bg,.sk-doodle{pointer-events:none;position:absolute;overflow:visible}.sk.is-selected.sk-card .sk-card-body,.sk.is-selected.sk-sheet .sk-tab{outline:3px solid var(--branch);outline-offset:5px;border-radius:4px}.sk-title-text{text-align:center;white-space:nowrap;place-content:center;display:grid;position:absolute;inset:0}.sk-region-text{white-space:nowrap;padding:4px 8px 0;position:relative}.sk-tab{white-space:nowrap;align-items:center;gap:10px;padding:2px 16px 0;font-size:30px;line-height:1;display:flex;position:absolute;top:0;left:0;overflow:hidden}.sk-tab-no{opacity:.85;font-size:24px}.sk-tab-doodle{position:absolute;top:6px;transform:rotate(-6deg)}.sk-card-body{height:100%;position:relative}.sk-card-title{white-space:nowrap;align-items:flex-start;display:flex}.tier-mid .sk-card-title{text-align:center;white-space:normal;overflow-wrap:break-word;-webkit-hyphens:auto;hyphens:auto;height:100%;font-size:min(clamp(22px, calc(13px * var(--inv,1)), 54px), var(--fit,54px));justify-content:center;align-items:center;line-height:1.05;overflow:hidden}.wb-canvas .react-flow__node{text-rendering:geometricprecision}.tier-far .sk-card-title{visibility:hidden}.sk-path{color:var(--ink-muted);white-space:nowrap;margin-top:4px}.sk-gist{white-space:nowrap;margin-top:8px}.sk-photo{margin:12px 0 0}.sk-photo img{box-shadow:0 0 0 1.5px var(--ink), 3px 4px 0 var(--shadow);cursor:zoom-in;border:3px solid #fff;display:block}.sk-photo figcaption{color:var(--ink-muted);white-space:nowrap;text-overflow:ellipsis;margin-top:4px;font-size:10.5px;overflow:hidden}.sk-table{border-collapse:collapse;table-layout:fixed;width:100%;margin-top:8px}.sk-table th,.sk-table td{text-align:left;vertical-align:top;border-bottom:2px solid var(--rule);padding:4px 6px;overflow:hidden}.sk-table th{border-bottom:2px solid var(--ink);font-weight:700}.sk-code{white-space:pre;border-radius:6px;margin:8px 0 0;padding:8px 10px;font-family:DejaVu Sans Mono,Menlo,Consolas,monospace;overflow:hidden;box-shadow:inset 0 0 0 2px #ffffff14}.sk-diagram{margin-top:8px;display:block;overflow:visible}.sk-tip{box-shadow:2px 3px 0 var(--tip-shadow);white-space:nowrap;margin-top:10px;padding:9px;position:relative;transform:rotate(-.6deg)}.sk-tip:before{content:"";background:#ffffff8c;width:56px;height:14px;position:absolute;top:-8px;left:50%;transform:translate(-50%)rotate(2deg);box-shadow:0 0 0 1px #2a26221f}.sk-bracket{border-bottom:3px solid;border-left:3px solid;border-bottom-left-radius:10px;width:9px;position:absolute;top:6px;bottom:50%;left:-12px}.sk-far-label{pointer-events:none;text-align:center;font:400 clamp(40px, calc(15px * var(--inv,1)), 220px) / 1.05 "Gochi Hand", cursive;place-items:center;padding:20px;display:grid;position:absolute;inset:0}.sk-far-label span{border-radius:.2em;padding:.1em .35em}.sk-far-region{white-space:nowrap;pointer-events:none;font-family:Gochi Hand,cursive;line-height:1;position:absolute;bottom:0;left:50%;transform:translate(-50%)}.sk-mid-label{pointer-events:none;color:var(--on-color);font:400 clamp(30px, calc(14px * var(--inv,1)), 96px) / 1.1 "Gochi Hand", cursive;position:absolute;bottom:calc(100% - 46px);left:-6px}.sk-mid-label span{border:2px solid var(--ink);box-shadow:4px 5px 0 var(--shadow);border-radius:.2em;padding:.08em .4em;display:inline-block;transform:rotate(-1.5deg)}.tier-far .sk-tab,.tier-far .sk-region-text{visibility:hidden}.sk-arrow{pointer-events:none}@media (prefers-reduced-motion:no-preference){.react-flow__node{transition:transform .15s ease-out,opacity .2s ease-out}.wb-canvas.is-atlas .react-flow__node{transition:none}}.tour-bar{left:50%;bottom:max(14px, env(safe-area-inset-bottom));z-index:10;border:2px solid var(--ink);background:var(--paper);width:min(clamp(300px,44vw,560px),100% - 120px);box-shadow:4px 5px 0 var(--shadow);touch-action:pan-y;-webkit-user-select:none;user-select:none;border-radius:999px;align-items:center;gap:4px;padding:4px;display:flex;position:absolute;transform:translate(-50%)rotate(-.4deg)}.tour-bar button{color:var(--ink);background:0 0;border:0}.tour-step{cursor:pointer;border-radius:50%;flex-shrink:0;width:44px;height:44px;font:400 34px/1 Gochi Hand,cursive}.tour-step:hover{background:var(--paper-dim)}.tour-name{cursor:pointer;flex-direction:column;flex:1 1 0;align-items:center;min-width:0;padding:0 6px;display:flex}.tour-count{letter-spacing:.06em;text-transform:uppercase;color:var(--ink-muted);font:700 11px Atkinson Hyperlegible,sans-serif}.tour-label{text-overflow:ellipsis;white-space:nowrap;max-width:100%;font:400 22px/1.15 Gochi Hand,cursive;overflow:hidden}.map-area{flex:1;min-width:0;position:relative}.map-canvas{display:flex;position:absolute;inset:0}.tab-strip{border:2px solid var(--fg);background:var(--panel);box-shadow:4px 5px 0 color-mix(in srgb, var(--fg) 22%, transparent);border-radius:999px;gap:2px;padding:3px;display:flex;transform:rotate(.3deg)}.tab-strip [role=tab]{color:var(--fg);cursor:pointer;background:0 0;border:0;border-radius:999px;align-items:center;gap:6px;padding:3px 16px;font:400 20px/1.2 Gochi Hand,cursive;display:flex}.tab-strip [role=tab]:hover{background:color-mix(in srgb, var(--fg) 10%, transparent)}.tab-strip [role=tab][aria-selected=true]{background:var(--fg);color:var(--panel)}.tab-panel{z-index:15;background:var(--bg);padding:20px 16px 32px;position:absolute;inset:0;overflow-y:auto}.bookmarks{max-width:720px;margin:0 auto}.bookmarks h2{align-items:center;gap:10px;margin:0 0 14px;font:400 36px/1.1 Gochi Hand,cursive;display:flex}.bookmarks h3{align-items:baseline;gap:10px;margin:26px 0 8px;font:400 26px/1.1 Gochi Hand,cursive;display:flex}.bookmarks-no{opacity:.85;font-size:20px}.bookmarks-empty{border:2px dashed var(--fg);background:var(--panel);border-radius:8px;max-width:520px;padding:16px 18px;font-size:17px;line-height:1.5}.bookmark-list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.bookmark-row{border:2px solid var(--fg);background:var(--panel);box-shadow:3px 4px 0 color-mix(in srgb, var(--fg) 18%, transparent);border-radius:6px;align-items:stretch;display:flex}.bookmark-open{min-width:0;color:var(--fg);text-align:left;cursor:pointer;background:0 0;border:0;flex:1;padding:10px 14px}.bookmark-open:hover{background:color-mix(in srgb, var(--fg) 6%, transparent)}.bookmark-title{font:400 23px/1.15 Gochi Hand,cursive;display:block}.bookmark-gist{-webkit-line-clamp:2;white-space:pre-line;-webkit-box-orient:vertical;margin-top:3px;font:15px/1.4 Atkinson Hyperlegible,Verdana,sans-serif;display:-webkit-box;overflow:hidden}.bookmark-remove{border:0;border-left:2px dashed var(--border);color:var(--fg);cursor:pointer;background:0 0;border-radius:0 4px 4px 0;align-items:center;gap:4px;padding:0 14px;font-size:20px;display:flex}.bookmark-remove:hover{background:color-mix(in srgb, var(--danger) 12%, transparent)}.ribbon path{fill:var(--paper,var(--panel));stroke:currentColor}.ribbon.is-on path{fill:var(--branch,var(--accent))}.sk-mark{opacity:.55;cursor:pointer;pointer-events:auto;background:0 0;border:0;place-items:start center;width:30px;height:32px;padding:0;display:grid;position:absolute;top:-10px;right:8px}.sk-mark.is-on,.sk-mark:hover,.sk-mark:focus-visible{opacity:1}.sk-mark:focus-visible{outline:3px solid var(--branch);outline-offset:2px;border-radius:4px}.read-bookmark{border-radius:14px;align-items:center;gap:6px;margin:-6px 0 10px;padding:3px 12px;display:inline-flex}.read-bookmark[aria-pressed=true]{border-color:var(--accent)}.read-marks{flex-wrap:wrap;align-items:center;gap:4px 16px;margin:-6px 0 10px;display:flex}.read-marks .read-bookmark{margin:0}.read-rating{align-items:center;gap:8px;display:inline-flex}.read-rating-text{color:var(--muted);font-size:13px}.stars{align-items:center;gap:1px;display:inline-flex}.star-btn{color:inherit;cursor:pointer;background:0 0;border:0;border-radius:4px;place-items:center;padding:1px;line-height:0;display:grid}.star-btn:focus-visible{outline:3px solid var(--accent);outline-offset:1px}.star path{fill:var(--paper,var(--panel));stroke:currentColor;transition:fill 80ms}.star.is-lit path{fill:var(--star)}.treemap{max-width:1400px;margin:0 auto}.treemap h2{align-items:center;gap:10px;margin:0 0 6px;font:400 36px/1.1 Gochi Hand,cursive;display:flex}.treemap h2 .star path{fill:var(--star);stroke:var(--fg)}.treemap-summary{max-width:720px;margin:0 0 12px;font-size:15px;line-height:1.45}.treemap-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 24px;margin-bottom:12px;display:flex}.treemap-legend{flex-wrap:wrap;gap:4px 14px;margin:0;padding:0;font-size:14px;list-style:none;display:flex}.treemap-legend li{align-items:center;gap:6px;display:flex}.treemap-swatch{border:1.5px solid var(--fg);border-radius:3px;width:16px;height:16px}.treemap-swatch.is-unrated{background-image:repeating-linear-gradient(135deg, transparent 0 3px, color-mix(in srgb, var(--rating-unrated-ink) 18%, transparent) 3px 4px)}.treemap-count{background:color-mix(in srgb, var(--fg) 12%, transparent);border-radius:9px;padding:0 6px;font-size:12px;font-weight:700}.treemap-filter{gap:4px;display:flex}.treemap-filter button{border-radius:14px;padding:3px 12px;font-size:13px}.treemap-frame{width:100%;position:relative}.treemap-island,.treemap-sheet,.treemap-cell{box-sizing:border-box;position:absolute;overflow:hidden}.treemap-island{border:2px solid var(--fg);background:var(--panel);border-radius:4px}.treemap-island h3{white-space:nowrap;text-overflow:ellipsis;align-items:center;margin:0;padding:0 8px;font:400 20px/1 Gochi Hand,cursive;display:flex;overflow:hidden}.treemap-sheet{border:1px solid color-mix(in srgb, var(--fg) 45%, transparent);background:color-mix(in srgb, var(--fg) 5%, var(--panel));border-radius:3px}.treemap-sheet h4{white-space:nowrap;align-items:center;gap:6px;margin:0;padding:0 5px;font:700 12px/1 Atkinson Hyperlegible,Verdana,sans-serif;display:flex;overflow:hidden}.treemap-sheet h4 b{opacity:.8;flex-shrink:0;font-weight:700}.treemap-sheet-title{text-overflow:ellipsis;min-width:0;overflow:hidden}.treemap-avg{opacity:.85;flex-shrink:0;margin-left:auto;padding-left:6px;font-weight:400}.treemap-cell{border:1.5px solid color-mix(in srgb, var(--fg) 40%, transparent);box-shadow:inset 0 0 0 1.5px var(--panel);text-align:left;cursor:pointer;border-radius:2px;margin:0;padding:2px 3px;display:block}.treemap-cell.is-unrated:after{content:"";background:repeating-linear-gradient(135deg, transparent 0 5px, color-mix(in srgb, var(--rating-unrated-ink) 12%, transparent) 5px 6px);pointer-events:none;position:absolute;inset:0}.treemap-cell.is-dim{background:var(--panel);border-color:color-mix(in srgb, var(--fg) 18%, transparent)}.treemap-cell.is-dim:after{content:none}.treemap-cell:hover,.treemap-cell:focus-visible{z-index:2;border-color:var(--fg);box-shadow:inset 0 0 0 1.5px var(--panel), 0 0 0 2px var(--fg);outline:none}.treemap-cell>span{flex-direction:column;height:100%;font:11px/1.2 Atkinson Hyperlegible,Verdana,sans-serif;display:flex;overflow:hidden}.treemap-cell-stars{flex-shrink:0;font-size:10px;font-weight:700}.treemap-cell-title{-webkit-line-clamp:3;overflow-wrap:anywhere;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.treemap-tip{z-index:5;border:2px solid var(--fg);background:var(--panel);width:240px;box-shadow:3px 4px 0 color-mix(in srgb, var(--fg) 22%, transparent);pointer-events:none;border-radius:6px;flex-direction:column;gap:3px;padding:8px 10px;display:flex;position:absolute}.treemap-tip-title{font:400 19px/1.15 Gochi Hand,cursive}.treemap-tip-rating{align-items:center;gap:1px;font-size:13px;display:flex}.treemap-tip .star path{fill:var(--panel);stroke:var(--fg)}.treemap-tip .star.is-lit path{fill:var(--star)}.sk-stars{pointer-events:auto;position:absolute;top:-9px;right:42px}.sk-stars .star-btn{opacity:.8}.sk-stars:hover .star-btn,.sk-stars .star-btn:focus-visible{opacity:1}.sk-stars .star-btn:has(.is-lit){opacity:1}@media (width<=760px){.tab-strip [role=tab]{padding:3px 12px;font-size:18px}.tab-panel{padding:16px 12px 24px}}.app.is-sketch .toolbar{background:var(--toolbar);border-bottom:2px solid var(--ink)}.app.is-sketch .panel{background:var(--panel);border-left:2px solid var(--ink)}.sheet-handle{z-index:2;background:var(--panel);cursor:grab;touch-action:none;place-items:center;height:26px;display:grid;position:sticky;top:0}.sheet-handle span{background:var(--muted);opacity:.6;border-radius:3px;width:48px;height:5px}@media (width<=760px){.panel.is-peek{max-height:46%}.panel.is-full{max-height:calc(100% - 8px)}.app.is-sketch .panel{border-left:0;border-top:2.5px solid var(--ink);border-radius:20px 20px 0 0;box-shadow:0 -8px #2a26221a}.panel-bar{top:26px}.tour-bar{width:min(clamp(300px,44vw,560px),100% - 96px)}}@media (prefers-reduced-motion:no-preference){.panel{transition:max-height .22s ease-out}}.app.is-sketch .node-read{max-width:66ch;font-family:Atkinson Hyperlegible,Verdana,sans-serif;font-size:17px;line-height:1.55}.app.is-sketch .node-read h2{margin:2px 0 10px;font:400 32px/1.1 Gochi Hand,cursive}.app.is-sketch .node-read h3{letter-spacing:0;text-transform:none;color:var(--fg);font-family:Gochi Hand,cursive;font-size:22px;font-weight:400}.read-up{margin-bottom:2px;font-size:13px}.read-lead{margin:0 0 12px}.read-paths{margin:0 0 14px;display:block}.read-trail{flex-wrap:wrap;align-items:center;gap:4px 2px;margin:0 0 6px;font-size:13px;line-height:1.3;display:flex}.read-trail-kind{letter-spacing:.06em;color:var(--muted);margin-right:6px;font-size:11px;font-weight:700}.read-chip{border:1.5px solid var(--fg);background:var(--bg);border-radius:6px;padding:2px 8px;display:inline-block}.read-sep{color:var(--muted);margin:0 3px}.app.is-sketch .read-tip{background:var(--tip-fill);color:var(--tip-text);box-shadow:3px 4px 0 var(--tip-shadow);border:0;border-radius:2px;margin:18px 4px 16px;padding:12px 14px;position:relative;transform:rotate(-.8deg)}.app.is-sketch .read-tip:before{content:"";background:#fff9;width:70px;height:16px;position:absolute;top:-9px;left:50%;transform:translate(-50%)rotate(-2deg);box-shadow:0 0 0 1px #2a26221f}.app.is-sketch .read-tip>strong{margin-bottom:4px;font:400 22px/1 Gochi Hand,cursive;display:block}.read-example,.read-mnemonic{border-left:4px solid var(--accent);padding-left:12px}.read-diagram{max-width:100%;height:auto;margin:8px 0 14px;display:block;overflow:visible}.app.is-sketch .read-code{background:var(--code-fill);color:var(--code-text);font-size:13px}.app.is-sketch .read-table table{font-size:14px}.app.is-sketch .read-table th{background:var(--table-head);border-bottom:2px solid var(--ink)}.read-steps{border-top:2px dashed var(--border);justify-content:space-between;gap:8px;margin-top:22px;padding-top:12px;display:flex}.read-steps button{border:2px solid var(--fg);background:var(--bg);text-align:left;cursor:pointer;border-radius:10px;max-width:48%;padding:8px 12px;font-size:14px;box-shadow:2px 3px #2a26222e}.read-steps button:last-child{text-align:right}.read-steps.is-tour .read-step{border:2px solid var(--ink);background:var(--paper);max-width:49%;min-height:52px;color:var(--ink);box-shadow:3px 4px 0 var(--shadow);text-align:left;border-radius:999px;align-items:center;gap:4px;padding:3px 14px 3px 3px;display:flex}.read-steps.is-tour .read-step.is-next{text-align:right;flex-direction:row-reverse;margin-left:auto;padding:3px 3px 3px 14px}.read-steps.is-tour .read-step:hover{background:var(--paper-dim)}.read-step-arrow{border-radius:50%;flex-shrink:0;place-items:center;width:44px;height:44px;font:400 34px/1 Gochi Hand,cursive;display:grid}.read-step-text{flex-direction:column;min-width:0;display:flex}.read-step-sheet{letter-spacing:.04em;color:var(--ink-muted);font:700 12px Atkinson Hyperlegible,sans-serif}.read-step-label{overflow-wrap:anywhere;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:15px;line-height:1.25;display:-webkit-box;overflow:hidden}@media (width<=760px){.app:has(.panel) .tour-bar{display:none}}.read-questions{margin:4px 0 12px;padding-left:1.4em}.read-questions li{margin-bottom:12px}.read-questions p{margin:0 0 4px}.read-answer{border-left:4px solid var(--accent);background:var(--bg);padding:6px 10px}.sk-rich>div{position:relative}.sk-rich code{background:color-mix(in srgb, var(--ink) 8%, transparent);border-radius:3px;padding:0 3px;font-family:DejaVu Sans Mono,Menlo,Consolas,monospace;font-size:.9em}.sk-marker{display:inline-block}.sk-rich .is-answer:before{content:"";background:var(--branch);border-radius:2px;width:3px;position:absolute;top:0;bottom:0;left:-10px}.sk-notes{white-space:nowrap;margin-top:8px}@media (width<=760px){.toolbar select{min-width:0;max-width:30vw}}.read-children button.link{text-align:left}.test{font-size:16px;line-height:1.5}.test-body{max-width:860px;margin:0 auto}.test h2{align-items:center;gap:10px;margin:0 0 10px;font:400 36px/1.1 Gochi Hand,cursive;display:flex}.test h3{margin:18px 0 6px;font:400 24px/1.1 Gochi Hand,cursive}.test .primary,.reward-actions .primary{border:2px solid var(--fg);background:var(--fg);color:var(--panel);box-shadow:3px 3px 0 color-mix(in srgb, var(--fg) 22%, transparent);border-radius:999px;padding:8px 20px;font-weight:700}.test .primary:disabled{box-shadow:none}.test-dim{color:var(--muted);font-size:.9em}.test-intro{max-width:640px;margin:0 0 18px}.test-field{border:2px solid var(--fg);background:var(--panel);border-radius:8px;margin:0 0 14px;padding:10px 16px 14px}.test-field legend{padding:0 8px;font:400 22px/1.1 Gochi Hand,cursive}.test-count{flex-wrap:wrap;align-items:center;gap:10px 14px;display:flex}.test-count input{width:88px;padding:6px 8px;font-size:18px}.test-picks{flex-wrap:wrap;gap:4px;display:flex}.test-picks button{border:1.5px solid var(--fg);background:var(--bg);border-radius:999px;min-width:48px;padding:4px 10px}.test-picks button[aria-pressed=true]{background:var(--fg);color:var(--panel)}.test-available{color:var(--muted)}.test-options{flex-wrap:wrap;gap:6px 22px;display:flex}.test-options label{align-items:center;gap:8px;display:inline-flex}.test-start{flex-wrap:wrap;align-items:center;gap:14px;margin:18px 0 6px;display:flex}.test-bar{z-index:14;border-bottom:2px solid var(--fg);background:var(--panel);justify-content:space-between;align-items:center;gap:12px;margin:-20px -16px 8px;padding:10px 24px;display:flex;position:sticky;top:-20px}.test-bar .test-score{margin:0;font-size:17px}.test-bar button{border:2px solid var(--fg);background:var(--bg);border-radius:999px;padding:6px 16px;font-weight:700}.test-meta{margin:0 0 14px}.test-list{margin:0;padding:0;list-style:none}.test-list>li{margin-bottom:22px}.test-q{border:2px solid var(--fg);background:var(--panel);box-shadow:4px 5px 0 color-mix(in srgb, var(--fg) 14%, transparent);border-radius:8px;margin:0;padding:6px 18px 16px}.test-q:focus{outline:2px solid var(--accent);outline-offset:3px}.test-q.is-correct{border-color:var(--ok)}.test-q.is-wrong{border-color:var(--danger)}.test-q legend{padding:0 8px;font:400 22px/1.1 Gochi Hand,cursive}.test-q-no{font-size:26px}.test-q-hint{color:var(--muted);font-size:18px;display:block}.test-stem{margin:4px 0 12px}.qtext pre{background:color-mix(in srgb, var(--fg) 8%, transparent);border-radius:6px;margin:0 0 .5em;padding:8px 10px;font-family:DejaVu Sans Mono,Menlo,Consolas,monospace;font-size:.9em;overflow-x:auto}.qtext table,.test-breakdown{border-collapse:collapse;margin:0 0 .6em;font-size:.95em}.qtext th,.qtext td,.test-breakdown th,.test-breakdown td{border:1.5px solid var(--fg);text-align:left;vertical-align:top;padding:4px 10px}.qtext th,.test-breakdown th{background:color-mix(in srgb, var(--fg) 8%, transparent)}.qtext sup{font-size:.75em;line-height:0}.test-figure{max-width:560px;margin:8px 0 12px}.test-figure .image-preview{border:1.5px solid var(--fg);background:#fff;border-radius:6px;margin-bottom:4px}.test-figure figcaption{color:var(--muted);font-size:.9em}.test-choices,.test-matching{flex-direction:column;gap:6px;display:flex}.test-choice{cursor:pointer;border:1.5px solid #0000;border-radius:6px;align-items:flex-start;gap:10px;padding:6px 10px;display:flex}.test-q:not([data-locked]) .test-choice:hover{background:color-mix(in srgb, var(--fg) 6%, transparent)}.test-choice input{width:18px;height:18px;accent-color:var(--fg);flex:none;margin:3px 0 0}.test-choice-key{flex:none;min-width:1.6em;font-weight:700}.test-choice-text{flex:1}.test-choice.is-correct{border-color:var(--ok);background:color-mix(in srgb, var(--ok) 12%, transparent)}.test-choice.is-wrong{border-color:var(--danger);background:color-mix(in srgb, var(--danger) 10%, transparent)}.test-mark{flex:none;font-weight:700}.test-match-prompt .test-mark{margin-right:6px}.test-mark.is-correct,.test-verdict.is-correct{color:var(--ok)}.test-mark.is-wrong,.test-verdict.is-wrong{color:var(--danger)}.test-match{border:1.5px solid #0000;border-radius:6px;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:4px 12px;padding:6px 10px;display:grid}.test-match select{max-width:100%;padding:5px 8px}.test-match.is-correct{border-color:var(--ok);background:color-mix(in srgb, var(--ok) 12%, transparent)}.test-match.is-wrong{border-color:var(--danger);background:color-mix(in srgb, var(--danger) 10%, transparent)}.test-match-answer{color:var(--danger);grid-column:2;font-size:.9em}.test-actions{flex-wrap:wrap;align-items:center;gap:14px;margin-top:14px;display:flex}.test-verdict{margin:0;font-size:18px;font-weight:700}.test-verdict .test-dim{font-weight:400}.test-explain{border-left:4px solid var(--fg);background:color-mix(in srgb, var(--fg) 5%, transparent);margin-top:12px;padding:10px 14px}.test-explain h4{margin:0 0 4px;font:400 20px/1.1 Gochi Hand,cursive}.test-source{color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:6px 16px;margin:10px 0 0;font-size:.9em;display:flex}.test-source button.link{font-size:15px;font-weight:700}.test-scenario{border:2px dashed var(--fg);background:var(--panel);border-radius:8px;margin:0 0 12px;padding:10px 16px}.test-scenario h3{margin:0 0 6px}.test-scenario-ref{margin:0 0 6px;font-size:.9em}.test-scenario-ref a,.test-missed a{color:var(--accent)}.test-summary{border:2px solid var(--fg);background:var(--panel);box-shadow:4px 5px 0 color-mix(in srgb, var(--fg) 14%, transparent);border-radius:8px;margin-top:28px;padding:14px 18px 18px}.test-summary-score{margin:0 0 12px;font-size:22px}.test-meter{border:1.5px solid var(--fg);vertical-align:middle;border-radius:5px;width:90px;height:10px;margin-right:8px;display:inline-block;overflow:hidden}.test-meter span{background:var(--ok);height:100%;display:block}.test-missed{margin:0 0 16px;padding-left:1.2em}.test-q[data-locked] .test-choice{cursor:default}@media (width<=760px){.test{font-size:15px}.test-bar{margin:-16px -12px 8px;padding:8px 12px;top:-16px}.test-bar .test-score{font-size:15px}.test-q{padding:4px 12px 12px}.test-match{grid-template-columns:1fr}.test-match-answer{grid-column:1}}.dark-switch{min-width:56px;height:32px;color:var(--fg);cursor:pointer;background:0 0;border:0;border-radius:999px;flex:none;place-items:center;padding:0 2px;display:inline-grid}.dark-switch svg{display:block;overflow:visible}.dark-switch-track{fill:#cfe6fb}.dark-switch.is-dark .dark-switch-track{fill:#15131a}.dark-switch-ink{fill:none;stroke:currentColor;stroke-linecap:round}.dark-switch.is-dark .dark-switch-ink{stroke:#efe9f7}.dark-switch-knob{transform:translate(12px,12px)}.dark-switch.is-dark .dark-switch-knob{transform:translate(34px,12px)}.dark-switch-face{fill:#fffdf6}.dark-switch.is-dark .dark-switch-face{fill:#efe9f7}.dark-switch-sun{fill:#f3c11c;stroke:#2a2622;stroke-width:1.3px;stroke-linecap:round}.dark-switch-moon{fill:#15131a;display:none}.dark-switch.is-dark .dark-switch-sun{display:none}.dark-switch.is-dark .dark-switch-moon{display:block}.dark-switch:focus-visible{outline:2px solid var(--accent);outline-offset:1px}@media (prefers-reduced-motion:no-preference){.dark-switch-knob{transition:transform .18s ease-out}.dark-switch-track,.dark-switch-face{transition:fill .18s ease-out}}.app.is-dark .sk-sheet:not(.tier-far) .sk-tab-fill,.app.is-dark .sk-region:not(.tier-far) .sk-bg,.app.is-dark .sk-title .sk-doodle{filter:drop-shadow(0 0 6px var(--branch))}.app.is-dark .sk-stars .star.is-lit,.app.is-dark .read-rating .star.is-lit,.app.is-dark .treemap h2 .star{filter:drop-shadow(0 0 3px var(--star))}.app.is-dark .ribbon.is-on{filter:drop-shadow(0 0 4px var(--branch,var(--accent)))}.app.is-dark .folder-tab{color:var(--rating-ink)}.app.is-dark .folder-tab-fill,.app.is-dark .feature-arrow,.app.is-dark .feature-icon{filter:drop-shadow(0 0 6px var(--tab))}.app.is-dark .hero-burst svg{filter:drop-shadow(0 0 6px var(--c-pink))}.app.is-dark .hero-burst-text{color:var(--c-pink)}.app.is-dark .feature-title{-webkit-text-decoration-color:var(--tab);text-decoration-color:var(--tab)}.app.is-dark .sk.is-selected.sk-card .sk-card-body,.app.is-dark .sk.is-selected.sk-sheet .sk-tab{box-shadow:0 0 0 5px var(--paper-bg), 0 0 12px 5px var(--branch)}.app.is-dark .test-q.is-correct{box-shadow:4px 5px 0 color-mix(in srgb, var(--ok) 35%, transparent)}.app.is-dark .test-q.is-wrong{box-shadow:4px 5px 0 color-mix(in srgb, var(--danger) 35%, transparent)}.app.is-dark .dialog-backdrop{background:#0009}.toolbar .account{text-overflow:ellipsis;white-space:nowrap;max-width:220px;overflow:hidden}.menu-head{border-bottom:1px solid var(--border);word-break:break-all;margin-bottom:4px;padding:6px 10px 8px;font-size:13px}.dialog.auth{max-width:440px}.auth-tabs{border-bottom:2px solid var(--border);gap:4px;margin:-4px 0 14px;display:flex}.auth-tabs [role=tab]{color:var(--text);font:inherit;cursor:pointer;background:0 0;border:0;border-bottom:3px solid #0000;flex:1;margin-bottom:-2px;padding:8px 10px;font-weight:600}.auth-tabs [role=tab].is-active{border-bottom-color:var(--accent)}.auth-tabs [role=tab]:focus-visible{outline:3px solid var(--accent);outline-offset:-3px}.auth-reason{background:var(--paper-hi);color:var(--ink,var(--text));border-radius:8px;padding:8px 12px}.field{margin:12px 0}.field label{margin-bottom:6px;display:block}.field input,.field-row input{width:100%;font:inherit;border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:8px;padding:8px 10px;display:block}.field-row{gap:6px;display:flex}.field-row input{flex:1;min-width:0}.field-toggle{min-width:64px;font:inherit;flex:none;padding:0 12px;font-size:13px}.field-hint{margin:6px 0 0;font-size:13px}.auth-links{margin:14px 0 0;font-size:14px}.dialog .link,.welcome .link{color:var(--text);font:inherit;cursor:pointer;background:0 0;border:0;padding:0;text-decoration:underline}.dialog-actions .primary,.welcome .primary,.reset .primary{background:var(--accent);color:var(--bg);border-color:var(--accent);font-weight:600}.banner-verify{background:color-mix(in srgb, var(--paper-hi) 70%, var(--bg))}.welcome{z-index:6;border:2px solid var(--ink,var(--border));background:var(--paper,var(--panel));max-width:420px;color:var(--ink,var(--text));box-shadow:4px 4px 0 var(--shadow,#0003);border-radius:12px;padding:14px 16px;position:absolute;bottom:16px;right:16px}.welcome p{margin:0 0 8px}.welcome-fields{grid-template-columns:1fr 1fr;gap:0 12px;display:grid}@media (width<=759px){.welcome{max-width:none;bottom:72px;left:16px;right:16px}.welcome-fields{grid-template-columns:1fr}}.reset{max-width:480px}.reset h1{font:400 40px/1.05 var(--font-hand);margin:8px 0 16px}.dialog-actions{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.dialog .error,.product .error{color:var(--danger,#b3261e)}.sk-locked{height:120px;color:var(--ink);opacity:.8;pointer-events:none;transform-origin:50% 100%;flex-direction:column;justify-content:flex-end;align-items:center;gap:2px;font-size:26px;display:flex;position:absolute;left:0;right:0}.sk-locked small{opacity:.85;font-size:18px}.sk-unlock{transform-origin:50%;background:var(--paper);cursor:pointer;white-space:nowrap;border:2.4px solid;border-radius:999px;padding:8px 18px;font:400 22px/1 Gochi Hand,Comic Sans MS,cursive;position:absolute;transform:translate(-50%,-50%);box-shadow:3px 3px}.sk-unlock:hover,.sk-unlock:focus-visible{background:var(--paper-hi)}.sk-unlock:focus-visible{outline:3px solid var(--branch,var(--accent));outline-offset:3px}.library-grid li{flex-direction:column;gap:10px;display:flex}.library-grid li>.folder{flex:1}.folder-buy{align-items:center;gap:14px;display:flex}.folder-buy-button{border:2px solid var(--ink);background:var(--c-teal,var(--paper-hi));color:var(--ink);font:400 20px/1 var(--font-hand);cursor:pointer;box-shadow:3px 3px 0 var(--ink);border-radius:8px;padding:8px 16px}.folder-buy-button:hover:not(:disabled){background:var(--paper-hi)}.folder-buy-button:disabled{opacity:.6;cursor:default}.folder-buy-button:focus-visible,.folder-buy .link:focus-visible{outline:3px solid var(--rose);outline-offset:3px}.folder .count-buy{background:var(--c-teal,var(--paper-hi))}.folder .count-owned{background:var(--c-lavender,var(--paper-hi))}.app.is-dark .folder .count-buy{background:color-mix(in srgb, var(--c-teal,#3df5d8) 16%, var(--paper));color:var(--c-teal,#3df5d8);border-color:var(--c-teal,#3df5d8)}.product{max-width:760px;color:var(--ink);margin:0 auto;padding:24px 16px 64px}.product-loading{text-align:center;min-height:100vh;padding:40px 16px}.product-nav{margin-bottom:18px}.product .link,.library .link{color:var(--ink);font:400 18px/1 var(--font-hand);cursor:pointer;background:0 0;border:0;padding:0;text-decoration:underline}.product-head h1{font:400 46px/1.05 var(--font-hand);margin:4px 0 8px}.product-exam{border:2px solid var(--ink);background:var(--tab,var(--paper-hi));color:var(--on-color,var(--ink));font:400 18px/1.2 var(--font-hand);border-radius:999px;padding:3px 14px;display:inline-block}.product-pitch{max-width:560px;margin:0 0 18px;font-size:17px;line-height:1.5}.product-notice{border:2px solid var(--ink);background:var(--paper-hi);border-radius:10px;margin:0 0 18px;padding:10px 14px}.product-create label{flex-direction:column;gap:4px;margin:8px 0;font-weight:600;display:flex}.product-create input{font:inherit;max-width:360px;padding:8px 10px;font-weight:400}.product-create .form-error{color:var(--danger)}.product-notice p{margin:0 0 8px}.product-notice .dialog-actions{margin-top:6px}.product-notice .primary,.product .dialog-actions button{background:var(--paper);color:var(--ink);border:2px solid var(--ink);font:400 18px/1 var(--font-hand);cursor:pointer;border-radius:8px;padding:8px 14px}.product-facts{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin:0 0 24px;display:grid}.product-facts>div{border:2px solid var(--ink);background:var(--paper);border-radius:12px;padding:12px 14px}.product-facts dt{color:var(--ink-muted);font-size:13px}.product-facts dd{font:400 34px/1 var(--font-hand);margin:2px 0 0}.product-inside h2{font:400 30px/1 var(--font-hand);margin:0 0 8px}.product-inside ul{margin:0 0 24px;padding-left:22px;line-height:1.6}.product-actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.product-actions button{background:var(--paper);color:var(--ink);border:2px solid var(--ink);font:400 20px/1 var(--font-hand);cursor:pointer;border-radius:8px;padding:10px 18px}.product-actions button:hover:not(:disabled){background:var(--paper-hi)}.product-actions .product-buy{background:var(--tab,var(--paper-hi));color:var(--on-color,var(--ink));box-shadow:3px 3px 0 var(--ink);font-size:24px}.product-actions button:disabled{opacity:.6;cursor:default}.product :focus-visible{outline:3px solid var(--rose);outline-offset:3px}.product-fine{margin-top:24px;font-size:13px;line-height:1.5}.product-fine a,.legal a,.site-footer a{color:var(--ink);text-decoration:underline}.legal{max-width:760px;color:var(--ink);overflow-wrap:break-word;margin:0 auto;padding:24px 16px 32px;font-size:17px;line-height:1.6}.legal .product-nav a{font:400 18px/1 var(--font-hand)}.legal h1{font:400 46px/1.05 var(--font-hand);margin:4px 0}.legal-updated{border:2px solid var(--ink);background:var(--paper);border-radius:999px;margin:0 0 18px;padding:2px 12px;font-size:14px;display:inline-block}.legal h2{font:400 28px/1.1 var(--font-hand);margin:26px 0 6px}.legal p,.legal ul{margin:0 0 12px}.legal ul{padding-left:22px}.legal-email{font:400 24px/1.3 var(--font-hand)}.legal :focus-visible,.site-footer :focus-visible{outline:3px solid var(--rose);outline-offset:3px}.site-footer{border-top:2px dashed var(--ink);max-width:1120px;color:var(--ink);text-align:center;margin:0 auto;padding:18px 16px 40px;font-size:14px;line-height:1.5}.site-footer ul{font:400 20px/1.4 var(--font-hand);flex-wrap:wrap;justify-content:center;gap:4px 22px;margin:0 0 8px;padding:0;list-style:none;display:flex}.site-footer p{margin:0 0 4px}.auth-legal{margin:8px 0 0;font-size:13px}.auth-legal a{color:var(--text)}.board-search{width:min(260px,40vw);padding:4px 10px}@media (width<=760px){.toolbar-end:has(.board-search) .spacer{display:none}.board-search{flex:90px;width:auto;min-width:90px}}.test-resume ul{gap:8px;margin:0 0 8px;padding:0;list-style:none;display:grid}.test-resume li{flex-wrap:wrap;align-items:center;gap:8px 12px;display:flex}.toolbar.picker-hidden .toolbar-end .spacer{display:none}@media (width<=760px){.toolbar.picker-hidden .toolbar-end{justify-content:flex-start}}@media (width>=761px){.toolbar.has-tabs .toolbar-side.toolbar-end{justify-content:flex-end}}@media (width<=760px){.toolbar.has-tabs .toolbar-side{flex:none}.toolbar.has-tabs .toolbar-side.toolbar-end{flex:1 1 0}}.test-chevron,.test-chevron-gap{flex:none;width:28px;height:28px}.test-chevron{color:var(--text);justify-content:center;align-items:center;padding:0;display:inline-flex}.test-chevron svg{transition:transform .15s}.test-chevron[aria-expanded=true] svg{transform:rotate(180deg)}@media (width<=760px){.toolbar .help-button{display:none}.toolbar-end>.account,.toolbar-end>.dark-switch{order:1}}.toolbar .bookmarks-button{justify-content:center;align-items:center;padding:4px 9px;display:inline-flex}.toolbar .bookmarks-button .ribbon path{fill:none}.toolbar .bookmarks-button .ribbon.is-on path{fill:var(--star,var(--accent))}.stars.is-readonly .star-btn{cursor:default}.read-rating-note{color:var(--muted);font-size:12px}.score-legend{color:var(--muted);flex-wrap:wrap;gap:4px 16px;margin:0 0 10px;padding:0;font-size:13px;list-style:none;display:flex}.score-legend li{align-items:center;gap:6px;display:inline-flex}.score-swatch{border:1px solid var(--fg);border-radius:3px;width:12px;height:12px}.score-swatch.is-none,.score-bar .is-none,.score-pill.is-none{background:var(--rating-unrated)}.picker-groups,.picker-topics,.picker-subtopics{margin:0;padding:0;list-style:none}.picker-groups{gap:8px;display:grid}.picker-group{border:1.5px solid var(--fg);background:var(--panel);border-radius:12px;overflow:hidden}.picker-row{grid-template-columns:28px minmax(0,1fr) auto 170px;align-items:center;gap:4px 12px;padding:6px 12px 6px 8px;display:grid}.picker-head{padding-block:8px}.picker-topics{border-top:1px dashed color-mix(in srgb, var(--fg) 35%, transparent);background:color-mix(in srgb, var(--fg) 4%, transparent)}.picker-topics>li+li,.picker-subtopics>li+li{border-top:1px solid color-mix(in srgb, var(--fg) 12%, transparent)}.picker-subtopics{border-top:1px dashed color-mix(in srgb, var(--fg) 25%, transparent);background:color-mix(in srgb, var(--fg) 4%, transparent)}.picker-subtopics>.picker-row{padding-left:36px}.picker-name{cursor:pointer;align-items:flex-start;gap:8px;min-width:0;display:inline-flex}.picker-head .picker-name{font-weight:700}.picker-count{text-align:right;font-variant-numeric:tabular-nums;min-width:2.5em;color:var(--muted)}.score-meter{align-items:center;gap:8px;display:flex}.score-bar{border:1.5px solid var(--fg);background:var(--rating-unrated);border-radius:999px;flex:1;height:12px;display:flex;overflow:hidden}.score-bar>span{min-width:2px}.score-pill{border:1.5px solid var(--fg);min-width:2.4em;color:var(--rating-ink);text-align:center;font-variant-numeric:tabular-nums;border-radius:999px;padding:1px 6px;font-size:13px;font-weight:700}.score-pill.is-none{color:var(--rating-unrated-ink)}@media (width<=760px){.picker-row{grid-template-columns:28px minmax(0,1fr) auto}.picker-row .score-meter{grid-column:2/-1}}.picker-extra{align-items:flex-start;gap:8px;margin-top:10px;display:flex}.test-hint{margin:0 0 10px}.treemap-cell.is-locked{background:repeating-linear-gradient(-45deg, transparent 0 5px, color-mix(in srgb, var(--fg) 14%, transparent) 5px 6px);border:1px dashed color-mix(in srgb, var(--fg) 35%, transparent);cursor:default;pointer-events:none;position:absolute}.reward{border:2px solid var(--fg);background:var(--panel);max-width:820px;box-shadow:4px 5px 0 color-mix(in srgb, var(--fg) 22%, transparent);border-radius:16px;margin:0 auto;padding:20px 18px 24px;position:relative}.reward-confetti{pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.reward-top{align-items:center;gap:8px;display:flex}.reward-top h2{flex:1;margin:0;font:400 34px/1.1 Gochi Hand,cursive}.reward-top h2:focus{outline:none}.reward-tool{align-items:center;gap:6px;padding:4px 10px;display:inline-flex}.reward-lead{align-items:baseline;gap:10px;margin:12px 0 2px;font-size:20px;animation:.5s .2s both reward-rise;display:flex}.reward-count{font-variant-numeric:tabular-nums;font:400 64px/1 Gochi Hand,cursive}.reward-quiet{font:400 30px/1.1 Gochi Hand,cursive}.reward-sub,.reward-fine,.reward-note{color:var(--muted);margin:0;font-size:14px}.reward-note{max-width:600px;margin-block:10px;line-height:1.45}.reward-squares{flex-wrap:wrap;gap:5px;margin:14px 0;padding:0;list-style:none;display:flex}.reward-sq{border:1.5px solid var(--fg);background:var(--to);cursor:pointer;width:26px;height:26px;animation:reward-flip .55s calc(.9s + var(--i) * 90ms) both;border-radius:4px;padding:0;display:block}.reward-sq.is-up{box-shadow:0 0 0 2px color-mix(in srgb, var(--to) 55%, transparent)}.reward-more{color:var(--muted);align-self:center;font-size:14px}@keyframes reward-flip{0%{background:var(--from);transform:rotateY(0)}49%{background:var(--from);transform:rotateY(90deg)scale(1.15)}51%{background:var(--to);transform:rotateY(90deg)scale(1.15)}to{background:var(--to);transform:rotateY(0)scale(1)}}@keyframes reward-rise{0%{opacity:0;transform:translateY(8px)}}.reward-meter{margin:14px 0;animation:.5s 1.2s both reward-rise}.reward-meter-head{justify-content:space-between;gap:12px;margin-bottom:4px;font-weight:700;display:flex}.reward-meter-values{font-variant-numeric:tabular-nums}.reward-delta{border:1.5px solid var(--fg);background:var(--rating-5);color:var(--rating-ink);border-radius:999px;margin-left:8px;padding:1px 8px;font-size:13px}.reward-bar,.reward-domain-bar{border:1.5px solid var(--fg);background:var(--rating-unrated);border-radius:999px;height:14px;position:relative;overflow:hidden}.reward-bar-fill,.reward-domain-bar .fill{width:var(--a);background:linear-gradient(90deg, var(--rating-1), var(--rating-2), var(--rating-4), var(--rating-5));background-size:100vw 100%;animation:1.1s cubic-bezier(.2,.8,.2,1) 1.3s both reward-grow;position:absolute;inset:0 auto 0 0}.reward-domain-bar .ghost{background:color-mix(in srgb, var(--fg) 22%, transparent);position:absolute;inset:0 auto 0 0}@keyframes reward-grow{0%{width:var(--b)}}.reward-domains{gap:8px;margin:12px 0;padding:0;list-style:none;animation:.5s 1.5s both reward-rise;display:grid}.reward-domains li{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) auto;align-items:center;gap:12px;font-size:14px;display:grid}.reward-domain-values{font-variant-numeric:tabular-nums}.reward-row{flex-wrap:wrap;gap:12px 28px;margin:14px 0;animation:.5s 1.7s both reward-rise;display:flex}.reward-streak,.reward-goal{align-items:center;gap:10px;display:inline-flex}.reward-ring{animation:1s cubic-bezier(.2,.8,.2,1) 1.8s both reward-ring}@keyframes reward-ring{0%{stroke-dasharray:0 100}}.reward-milestones{gap:8px;margin:12px 0;padding:0;list-style:none;display:grid}.reward-milestones li{border:2px solid var(--fg);background:color-mix(in srgb, var(--star) 28%, var(--panel));border-radius:12px;align-items:center;gap:10px;padding:8px 12px;animation:.6s cubic-bezier(.3,1.6,.5,1) 2.2s both reward-pop;display:flex}@keyframes reward-pop{0%{opacity:0;transform:scale(.85)}}.reward-actions{flex-wrap:wrap;gap:10px;margin-top:16px;display:flex}.reward-preview{color:var(--muted);margin:14px 0 0;font-size:14px;line-height:1.5}.reward.is-skipped *,.reward.is-skipped :before{transition:none!important;animation:none!important}@media (prefers-reduced-motion:reduce){.reward *,.reward :before{transition:none!important;animation:none!important}}@media (width<=760px){.reward-domains li{grid-template-columns:1fr auto}.reward-domain-bar{order:3;grid-column:1/-1}.reward-count{font-size:52px}}.reward-tally{flex-wrap:wrap;gap:4px 18px;margin:12px 0 0;padding:0;font-size:14px;list-style:none;display:flex}.study-reward{align-items:stretch;overflow-y:auto}.study-reward .reward{align-self:center;width:min(820px,100%)}.reward-sq{width:28px;height:28px}.treemap-example{flex-wrap:wrap;align-items:center;gap:8px 12px;margin:0 0 10px;display:flex}.treemap-banner{border:2px dashed var(--fg);background:color-mix(in srgb, var(--star) 22%, var(--panel));border-radius:10px;max-width:720px;margin:0 0 12px;padding:8px 12px;font-size:15px;line-height:1.45}.treemap-cell.is-illustration{border:1.5px solid color-mix(in srgb, var(--fg) 40%, transparent);box-shadow:inset 0 0 0 1.5px var(--panel);pointer-events:none;border-radius:2px;position:absolute}.how{border:1.5px dashed color-mix(in srgb, var(--fg) 45%, transparent);background:color-mix(in srgb, var(--fg) 3%, transparent);border-radius:12px;max-width:720px;margin:0 0 14px;padding:6px 14px;font-size:14.5px;line-height:1.5}.how summary{cursor:pointer;font-weight:700}.how ul{margin:6px 0 4px;padding-left:20px}.how li+li{margin-top:4px}.hero-pitch{gap:4px;display:grid}.hero-tagline{color:var(--ink);font:400 40px/1.1 var(--font-hand)}.hero-subline{font-size:20px}.feature-treemap{grid-column:1/-1}.feature-treemap .feature-title{-webkit-text-decoration-color:var(--rating-5);text-decoration-color:var(--rating-5)}.feature-treemap .feature-icon{background:color-mix(in srgb, var(--rating-5) 35%, var(--paper))}.treemap-arrows-row{grid-column:1/-1;margin:0;padding:0;list-style:none}.treemap-arrows{width:100%;height:auto;margin:0 auto;display:block;overflow:visible}@media (width>=761px){.feature-treemap{margin-top:-38px}.hero,.hero *{pointer-events:none}.hero{margin-bottom:-142px}}@media (width<=760px){.treemap-arrows-row{display:none}.hero-tagline{font-size:30px}.hero-subline{font-size:17px}}