.story-builder{max-width:1600px;margin:auto;padding:32px clamp(12px,3vw,48px);color:var(--ink)}
.story-builder *{box-sizing:border-box}.sb-heading{margin-bottom:12px}.sb-heading h1{font-size:clamp(22px,2.3vw,28px);line-height:1.5;margin:0;color:var(--accent-blue)}
.sb-library{display:grid;grid-template-columns:minmax(180px,240px) auto minmax(200px,1fr) auto;align-items:end;gap:12px;padding:12px;background:var(--white);border:1px solid var(--line);border-radius:16px}.story-builder label{display:flex;flex-direction:column;gap:8px;font-size:13px;min-width:0}.sb-library>label{width:auto;margin:0;gap:4px;line-height:1.5}.sb-library :is(input,select,button){height:44px;min-height:44px;padding-top:8px;padding-bottom:8px}.sb-library>button{margin:0;white-space:nowrap}.story-builder :is(input,select,textarea){min-width:0;width:100%;font:inherit;font-size:16px;line-height:1.7;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:10px;min-height:44px}.story-builder textarea{resize:vertical}.story-builder button,.story-builder summary{font:inherit;font-size:13px;min-height:44px;cursor:pointer;color:var(--accent-blue);border:1px solid var(--line);border-radius:8px;background:var(--white);padding:10px 12px;display:inline-flex;align-items:center;justify-content:center;gap:8px;line-height:1.7}.story-builder button:hover{background:var(--soft-green)}.story-builder button:disabled{opacity:.45;cursor:default}.story-builder :is(button,input,textarea,select,summary):focus-visible{outline:3px solid var(--accent-blue);outline-offset:2px}.story-builder .icon{width:20px;height:20px;flex-shrink:0}.story-builder [data-sb=save]{background:var(--accent-blue);color:var(--accent-action-ink)}.sb-storage{font-size:12px;color:var(--muted);line-height:1.9;margin:12px 0 4px}[data-sb-status]{font-size:12px;color:var(--accent-teal);min-height:24px;line-height:1.8;margin:4px 0 12px}
.sb-tools{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-bottom:12px}.sb-divider{flex:1}.sb-more{position:relative}.sb-more>div{position:absolute;z-index:10;right:0;top:100%;width:230px;padding:10px;background:var(--white);border:1px solid var(--line);box-shadow:0 8px 24px #0002;border-radius:12px;display:grid;gap:8px}
.sb-workspace{display:grid;grid-template-columns:minmax(0,1fr);border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--white);min-height:520px}.sb-board{position:relative;min-width:0;height:64dvh;min-height:520px;background-color:var(--paper);background-image:radial-gradient(var(--line) 1.5px,transparent 1.5px);background-size:22px 22px}.sb-canvas{width:100%;height:100%;overflow:hidden!important;touch-action:none}.sb-canvas .drawflow{background:none}.sb-canvas .drawflow-node{width:260px;min-height:130px;border:1px solid var(--line);border-radius:12px;background:var(--white);color:var(--ink);padding:0;box-shadow:0 5px 18px #0001}.sb-canvas .drawflow-node.selected{background:var(--white)}.sb-canvas .drawflow-node:has(.sb-card[aria-pressed=true]){z-index:3;background:color-mix(in srgb,var(--accent-blue) 4%,var(--white));border-color:transparent;box-shadow:0 5px 18px #0001}.sb-canvas .drawflow-node .input,.sb-canvas .drawflow-node .output{background:var(--white);border:2px solid var(--accent-blue);width:18px;height:18px;top:0;cursor:crosshair}.sb-canvas .drawflow-node .input{left:-10px}.sb-canvas .drawflow-node .output{right:-10px}.sb-canvas .connection .main-path{stroke:var(--accent-blue);stroke-width:3px}.sb-canvas .connection .main-path.selected{stroke:var(--accent-violet);stroke-width:5px}.sb-canvas .drawflow-delete{background:var(--white);color:var(--accent-red);border-color:var(--accent-red)}
.story-builder .sb-card{display:flex;flex-direction:column;align-items:stretch;justify-content:start;text-align:left;width:100%;border:0;background:transparent;padding:16px;color:var(--ink);white-space:normal;overflow-wrap:anywhere;gap:10px;cursor:grab}.sb-card strong{font-size:16px;line-height:1.8}.sb-card-text{font-size:13px;color:var(--muted);line-height:1.9;white-space:pre-wrap}.sb-card img{width:100%;max-height:140px;object-fit:contain}.sb-empty{position:absolute;top:35%;left:10%;width:80%;text-align:center;pointer-events:none;color:var(--muted);line-height:2}.sb-empty strong{color:var(--accent-blue)}.sb-empty[hidden]{display:none}.sb-zoom{display:flex;gap:6px;align-items:center;position:absolute;bottom:12px;left:12px;background:var(--white);border:1px solid var(--line);border-radius:10px;padding:4px}.sb-zoom button span{display:none}.sb-zoom output{font-size:12px;min-width:40px;text-align:center}.sb-card-actions{display:flex;flex-wrap:wrap;gap:8px}.story-builder [data-sb^=delete]{color:var(--accent-red)}.sb-help{margin-top:16px;font-size:13px;line-height:2}.sb-help p{padding:12px;max-width:900px}.sb-mobile-tabs,.sb-list{display:none}.sb-preview{width:min(850px,94vw);max-height:85dvh;background:var(--white);color:var(--ink);border:1px solid var(--line);border-radius:16px;padding:24px}.sb-preview::backdrop{background:#0008}.sb-preview-head{display:flex;justify-content:space-between;gap:10px;align-items:center}.sb-preview h2{font-size:20px}.sb-preview article{padding:20px 0;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.sb-preview article>p{white-space:pre-wrap;line-height:2}.sb-preview img{max-width:100%;max-height:400px;object-fit:contain}.sb-preview small,.sb-preview-links{color:var(--accent-blue)}
@media(max-width:1050px){.sb-workspace{grid-template-columns:minmax(0,1fr)}.sb-library{grid-template-columns:minmax(0,1fr) auto}.sb-library .sb-title{grid-column:1}}
@media(max-width:760px){.story-builder{padding:20px 12px}.sb-heading{margin-bottom:16px}.sb-heading p{font-size:13px}.sb-library{padding:10px;grid-template-columns:minmax(0,1fr) auto;gap:10px}.sb-library>label{width:auto}.sb-library .sb-title{grid-column:1}.sb-library [data-sb=save]{grid-column:2;width:auto}.sb-library [data-sb=new]{max-width:120px}.sb-tools{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.sb-tools button{padding:10px 4px;font-size:12px;gap:5px}.sb-tools .icon{width:18px;height:18px}.sb-divider{display:none}.sb-more{grid-column:1/-1}.sb-more summary{width:100%}.sb-more>div{position:static;width:auto;box-shadow:none;grid-template-columns:1fr 1fr}.sb-mobile-tabs{display:flex;gap:8px;margin:12px 0}.sb-mobile-tabs button{flex:1}.sb-mobile-tabs [aria-pressed=true]{border:2px solid var(--accent-blue);font-weight:700;background:var(--soft-green)}.sb-workspace{display:flex;flex-direction:column;min-height:0;border-radius:12px}.sb-board{height:60dvh;min-height:300px}.sb-list{padding:8px;max-height:60dvh;overflow:auto;min-height:160px}.sb-list .sb-card{border:1px solid var(--line);border-radius:10px;margin:8px 0;cursor:pointer}.sb-show-list .sb-board{display:none}.sb-show-list .sb-list{display:block}.sb-preview{padding:16px}.sb-preview-head h2{font-size:17px}.sb-zoom{bottom:8px;left:8px}.sb-storage{font-size:12px}.sb-help summary{width:100%}}
.community-footer .footer-builder{display:flex;align-items:center;gap:8px;min-height:44px;width:fit-content;color:var(--accent-blue);font-size:13px}.community-footer .footer-builder .icon{width:20px;height:20px}
.sb-list .sb-card[aria-pressed=true],.sb-list .sb-card[aria-pressed=true]:hover{background:color-mix(in srgb,var(--accent-blue) 4%,var(--white));border-color:var(--accent-blue);box-shadow:0 0 0 1px var(--accent-blue)}
.story-builder .sb-canvas .sb-card:focus-visible{outline:none}.sb-canvas .drawflow-node:has(.sb-card:focus-visible){outline:3px solid var(--accent-blue);outline-offset:3px}
@media(max-width:760px){.story-builder{padding-top:12px}.sb-heading{margin-bottom:12px}.sb-heading h1{font-size:24px;margin:4px 0}.sb-library{padding:10px;gap:8px}.sb-library .sb-title{grid-column:1}.sb-library [data-sb=save]{grid-column:2;max-width:none;min-height:44px}.sb-storage{margin-top:8px}}

/* Keep secondary storage guidance out of the main story controls. */
.sb-save-info{display:flex;align-items:start;justify-content:space-between;gap:12px;margin:2px 0 8px;min-width:0}.sb-save-info [data-sb-status]{margin:0;min-height:44px;display:flex;align-items:center;line-height:1.7}.sb-save-info .sb-storage{margin:0;max-width:470px;flex-shrink:0}.story-builder .sb-storage summary{padding:8px 0;border:0;background:transparent;font-size:12px;color:var(--muted);min-height:44px}.sb-storage p{margin:0 0 8px;line-height:1.8}.sb-library input,.sb-library select{margin:0}.sb-heading h1{margin:0}
@media(max-width:760px){.sb-save-info{display:block;margin-bottom:8px}.sb-save-info [data-sb-status]{min-height:0;padding-top:8px}.sb-save-info .sb-storage{max-width:none}.sb-library>button{font-size:12px;padding-inline:8px;gap:5px}.sb-library>button .icon{width:18px}.sb-heading{margin-bottom:10px}.sb-library .sb-title{grid-column:1}.sb-library>label{gap:4px}.sb-library :is(input,select,button){height:44px}}
.sb-workspace{grid-template-columns:minmax(0,1fr)}
.story-builder .sb-edit-dialog{width:min(1080px,calc(100vw - 64px));max-width:none;height:min(740px,calc(100dvh - 64px));max-height:calc(100dvh - 64px);padding:0;border:1px solid var(--line);border-radius:16px;background:var(--white);color:var(--ink);overflow:hidden;box-shadow:0 20px 80px #0003}
.sb-edit-dialog[open]{display:grid;grid-template-rows:auto minmax(0,1fr) auto}.sb-edit-dialog::backdrop{background:#0008}.sb-editor-fields{display:contents}.sb-editor-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 24px;border-bottom:1px solid var(--line)}.sb-editor-head h2{display:flex;align-items:center;gap:8px;margin:0;color:var(--accent-blue);font-size:16px;overflow-wrap:anywhere}.sb-editor-head button{flex-shrink:0}.sb-editor-content{display:flex;flex-direction:column;gap:16px;padding:20px 24px;min-height:0;overflow:auto;overscroll-behavior:contain}.sb-edit-dialog label{margin:0;gap:6px;font-size:13px}.sb-edit-dialog .sb-editor-title input{margin:0;font-size:18px;background:var(--white)}.sb-editor-writing{flex:1;min-height:220px}.sb-edit-dialog .sb-editor-writing textarea{flex:1;min-height:180px;max-height:none;margin:0;padding:16px 18px;font-size:18px;line-height:2;resize:none;background:var(--paper)}.sb-editor-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 24px;border-top:1px solid var(--line);background:var(--white)}.sb-edit-save{font-size:12px;color:var(--accent-teal);line-height:1.7;margin:0;min-width:0;overflow-wrap:anywhere}.sb-edit-dialog .sb-card-actions{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:8px;flex-shrink:0}.sb-edit-dialog .sb-card-actions button{padding:8px 12px;font-size:12px}.sb-edit-dialog [data-sb=delete-card]:has(+[data-sb=cancel-delete]){border-color:var(--accent-red);font-weight:600}.sb-canvas .drawflow-delete{display:none!important}body:has(.sb-edit-dialog[open]){overflow:hidden}
@media(max-width:1050px){.sb-workspace{grid-template-columns:minmax(0,1fr)}}
@media(max-width:760px){.story-builder .sb-edit-dialog{width:calc(100vw - 16px);height:calc(100dvh - 24px);max-height:calc(100dvh - 24px);border-radius:12px}.sb-editor-head{padding:8px 12px}.sb-editor-head h2{font-size:15px}.sb-editor-content{padding:12px;gap:12px}.sb-edit-dialog .sb-editor-title input{font-size:16px}.sb-editor-writing{min-height:180px}.sb-edit-dialog .sb-editor-writing textarea{min-height:140px;padding:12px;font-size:16px;line-height:1.9}.sb-editor-footer{padding:8px 12px;display:flex;flex-direction:column-reverse;align-items:stretch;gap:6px}.sb-edit-dialog .sb-card-actions{display:flex;justify-content:space-between;gap:6px;flex-shrink:1}.sb-edit-dialog .sb-card-actions button{flex:1;padding:8px;font-size:12px}.sb-edit-save{font-size:11px}.sb-show-list .sb-list{max-height:60dvh}}
@media(max-height:520px){.story-builder .sb-edit-dialog{height:calc(100dvh - 16px);max-height:calc(100dvh - 16px)}.sb-editor-content{padding-block:10px;gap:10px}.sb-editor-writing{min-height:160px}.sb-edit-dialog .sb-editor-writing textarea{min-height:120px}.sb-editor-footer{padding-block:6px}}
.sb-editor-head [data-sb=close-card]{width:44px;padding:10px}
.sb-edit-dialog .sb-editor-footer{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px 16px}
.sb-editor-footer .sb-edit-save{grid-column:1/-1;grid-row:1}.sb-editor-footer .sb-edit-save:empty{display:none}
.sb-edit-dialog .sb-card-actions{grid-column:1;grid-row:2;justify-content:flex-start;min-width:0;flex-shrink:1}
.sb-editor-footer [data-sb=save-card]{grid-column:2;grid-row:2;justify-self:end;min-width:116px;background:var(--accent-blue);border-color:var(--accent-blue);color:var(--accent-action-ink)}
@media(max-width:760px){.sb-edit-dialog .sb-card-actions{flex-wrap:wrap;justify-content:flex-start;gap:6px}.sb-edit-dialog .sb-card-actions button{flex:0 1 auto;min-width:44px;padding:8px}.sb-edit-dialog .sb-card-actions button span{display:none}.sb-edit-dialog .sb-card-actions [data-sb=delete-card]:has(+[data-sb=cancel-delete]) span{display:inline}.sb-edit-dialog .sb-card-actions [data-sb=delete-card]:has(+[data-sb=cancel-delete]){flex-basis:100%}.sb-editor-footer [data-sb=save-card]{min-width:100px;align-self:end}}
@media(max-width:760px){.sb-tools{grid-template-columns:repeat(6,minmax(0,1fr))}.sb-tools>[data-sb=add-text],.sb-tools>[data-sb=add-image]{grid-column:span 3}.sb-tools>[data-sb=undo],.sb-tools>[data-sb=redo],.sb-tools>[data-sb=preview]{grid-column:span 2}}

/* Cards do not inherit the toolbar button hover fill. */
.story-builder .sb-card:hover{background:transparent;color:var(--ink)}
.story-builder .sb-list .sb-card[aria-pressed=true]:hover{background:color-mix(in srgb,var(--accent-blue) 4%,var(--white))}

/* A screen-space border stays 2px wide at every canvas zoom level. */
.sb-selection-frame{position:absolute;z-index:3;pointer-events:none;border:2px solid var(--accent-blue);background:transparent;box-sizing:border-box;transition:none}.sb-selection-frame[hidden]{display:none}.sb-zoom{z-index:4}
.story-builder .sb-resize{position:absolute;right:0;bottom:0;width:calc(44px / var(--sb-canvas-zoom,1));height:calc(44px / var(--sb-canvas-zoom,1));min-height:0;padding:0;border:0;background:transparent!important;border-radius:0;color:var(--accent-blue);cursor:nwse-resize;touch-action:none;opacity:0;pointer-events:none;z-index:2;transition:none}
.sb-resize .icon{width:calc(18px / var(--sb-canvas-zoom,1));height:calc(18px / var(--sb-canvas-zoom,1))}
.sb-canvas .drawflow-node:hover .sb-resize,.sb-canvas .sb-resize:focus-visible,.sb-resizing .sb-resize{opacity:1;pointer-events:auto}
.sb-canvas .sb-sized .drawflow_content_node{height:100%;min-width:0}.sb-canvas .sb-sized .sb-card{height:100%;overflow:hidden;padding-bottom:28px}.sb-canvas .sb-sized .sb-card strong{flex-shrink:0;max-height:50%;overflow:hidden}.sb-canvas .sb-sized .sb-card-text{overflow:hidden;min-height:0}.sb-canvas .sb-sized .sb-card img{flex:1;min-height:0;max-height:none;object-fit:contain}
.sb-resizing,.sb-resizing *{cursor:nwse-resize!important;user-select:none!important}
@media(hover:none){.sb-canvas .drawflow-node:has(.sb-card[aria-pressed=true]) .sb-resize{opacity:1;pointer-events:auto}}
.sb-canvas .sb-image-node .sb-card-image{display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:auto minmax(0,1fr) auto;justify-content:stretch;gap:8px;padding:12px 12px 26px}
.sb-canvas .sb-image-node .sb-card-image strong{grid-row:1;max-height:3.6em;line-height:1.8}
.sb-canvas .sb-image-node .sb-card-image img{display:block;grid-row:2;width:100%;height:100%;min-height:0;max-height:none;object-fit:contain;object-position:center;user-select:none}
.sb-canvas .sb-image-node .sb-card-image .sb-card-text{grid-row:3;max-height:3.8em}
.sb-editor-image-content{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,2fr);grid-template-rows:auto minmax(0,1fr);align-items:stretch}
.sb-editor-image-content>.sb-editor-title{grid-column:1/-1}.sb-image-editor{display:flex;flex-direction:column;gap:10px;min-height:0;min-width:0}.sb-image-editor input[type=file]{font-size:16px;max-width:100%}.sb-image-preview{flex:1;min-height:180px;overflow:auto;border:1px solid var(--line);border-radius:8px;background:var(--paper);display:flex;align-items:center;justify-content:center;padding:8px}.sb-image-preview img{display:block;max-width:100%;max-height:100%;object-fit:contain;min-height:0}.sb-image-preview p{font-size:13px;color:var(--muted);padding:12px}.sb-editor-image-content .sb-editor-writing{min-height:160px}
@media(max-width:760px){.sb-editor-image-content{display:flex;flex-direction:column}.sb-image-editor{flex:none}.sb-image-preview{height:260px;flex:none}.sb-editor-image-content .sb-editor-writing{flex:none;min-height:160px}.sb-editor-image-content .sb-editor-writing textarea{min-height:140px}}
.sb-image-error{margin:0;color:var(--accent-red);font-size:13px;line-height:1.8;border-left:3px solid var(--accent-red);padding:6px 10px;overflow-wrap:anywhere}.sb-image-error[hidden]{display:none}.story-builder [data-sb-image][aria-invalid=true]{border-color:var(--accent-red)}
.sb-canvas .drawflow-node>.inputs,.sb-canvas .drawflow-node>.outputs{display:none}
.story-builder .sb-port{position:absolute;z-index:4;width:calc(44px / var(--sb-canvas-zoom,1));height:calc(44px / var(--sb-canvas-zoom,1));min-width:0;min-height:0;margin:0;padding:0;border:0;border-radius:50%;background:transparent!important;touch-action:none;cursor:crosshair;display:flex;align-items:center;justify-content:center;transform:translate(-50%,-50%)}
.sb-port[data-port=top]{left:50%;top:0}.sb-port[data-port=right]{left:100%;top:50%}.sb-port[data-port=bottom]{left:50%;top:100%}.sb-port[data-port=left]{left:0;top:50%}
.sb-port>span{display:block;width:calc(12px / var(--sb-canvas-zoom,1));height:calc(12px / var(--sb-canvas-zoom,1));border:calc(1.5px / var(--sb-canvas-zoom,1)) solid var(--accent-blue);border-radius:50%;background:var(--white)}
.sb-port.sb-port-connected>span{background:color-mix(in srgb,var(--accent-blue) 15%,var(--white))}.sb-port:hover>span,.sb-port:focus-visible>span{background:var(--accent-blue)}
.sb-linking .drawflow-node{cursor:crosshair}.sb-link-target{outline:2px dashed var(--accent-blue);outline-offset:4px}
.sb-canvas .sb-edge-defs{width:0;height:0;pointer-events:none;overflow:hidden}.sb-canvas .sb-link-preview,.sb-canvas .sb-link-preview .main-path{pointer-events:none!important}.sb-canvas .sb-link-preview .main-path{stroke-dasharray:6 5;stroke-width:2}
.sb-canvas,.sb-canvas>.drawflow{cursor:grab}.sb-canvas:active,.sb-canvas:active>.drawflow{cursor:grabbing}
.sb-canvas .connection .sb-connection-hit,.sb-canvas .connection .sb-connection-hit.selected{stroke:transparent!important;stroke-width:14px;vector-effect:non-scaling-stroke;pointer-events:stroke;fill:none;cursor:pointer}
.sb-canvas .connection:has(.sb-connection-hit.selected)>.main-path:not(.sb-connection-hit){stroke:var(--accent-violet)}
.story-builder .sb-port{opacity:0;pointer-events:none}
.sb-canvas .drawflow-node:hover .sb-port,.sb-canvas .drawflow-node:has(:focus-visible) .sb-port,.sb-canvas.sb-linking .sb-port{opacity:1;pointer-events:auto}
@media(hover:none){.sb-canvas .drawflow-node:has(.sb-card[aria-pressed=true]) .sb-port{opacity:1;pointer-events:auto}}

/* Expand the working surface without scaling cards or overflowing the page. */
.story-builder{max-width:none}
.sb-workspace{overflow:auto;align-items:start;grid-template-columns:minmax(0,1fr)}
.sb-board{min-width:100%}
.story-builder .sb-canvas-resize{position:absolute;right:0;bottom:0;z-index:6;width:44px;height:44px;padding:0;border-radius:10px 0 0 0;border-color:var(--accent-blue);color:var(--accent-blue);background:var(--white);touch-action:none;cursor:nwse-resize}
.sb-canvas-sizing{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:8px}
.sb-canvas-sizing p{font-size:13px;line-height:1.9;color:var(--muted);margin:0;overflow-wrap:anywhere}
.sb-canvas-sizing output{white-space:nowrap;color:var(--accent-blue)}
.sb-canvas-sizing button{flex-shrink:0}
.sb-canvas-resizing,.sb-canvas-resizing *{cursor:nwse-resize!important;user-select:none!important}
@media(max-width:760px){.sb-canvas-sizing{flex-direction:column;align-items:start;gap:4px}.sb-workspace:has(.sb-board){display:block}.sb-show-list .sb-workspace{overflow:hidden}.story-builder.sb-show-list .sb-canvas-sizing{display:none}.sb-board{min-height:300px}}
/* A wide reading surface with a fixed header and an independently scrolling story. */
.story-builder .sb-preview{width:min(1080px,calc(100vw - 64px));max-width:none;height:min(820px,calc(100dvh - 64px));max-height:calc(100dvh - 64px);padding:0;overflow:hidden;box-shadow:0 20px 80px #0003}
.sb-preview[open]{display:grid;grid-template-rows:auto minmax(0,1fr)}
.sb-preview .sb-preview-head{padding:14px 24px;border-bottom:1px solid var(--line);gap:16px;align-items:center;min-width:0}
.sb-preview-head>div{min-width:0}.sb-preview .sb-preview-label{font-size:11px;color:var(--accent-teal);margin:0 0 4px;line-height:1.6}
.sb-preview .sb-preview-head h2{font-size:20px;line-height:1.8;margin:0;color:var(--accent-blue);overflow-wrap:anywhere;max-height:3.6em;overflow:auto}
.sb-preview [data-sb=close-preview]{flex-shrink:0;width:44px;height:44px;padding:10px;align-self:start}
.sb-preview [data-sb-preview-body]{overflow:auto;overscroll-behavior:contain;min-height:0;padding:24px clamp(20px,4vw,48px);scroll-padding:24px;background:var(--paper)}
.sb-preview [data-sb-preview-body]:focus-visible{outline:2px solid var(--accent-blue);outline-offset:-3px}
.sb-preview article{max-width:900px;margin:0 auto 18px;padding:24px;border:1px solid var(--line);border-radius:12px;background:var(--white);overflow-wrap:anywhere}
.sb-preview article:last-child{margin-bottom:0}.sb-preview article h3{font-size:20px;line-height:1.9;margin:0 0 14px;color:var(--accent-blue)}
.sb-preview article>p{font-size:18px;line-height:2.1;margin:16px 0 0;white-space:pre-wrap}.sb-preview article>p:empty{display:none}
.sb-preview article img{display:block;width:auto;height:auto;max-width:100%;max-height:none;object-fit:contain;margin:0 auto;border-radius:6px}
.sb-preview article>.sb-preview-links{font-size:13px;line-height:1.9;padding-top:12px;border-top:1px solid var(--line);color:var(--accent-blue)}
body:has(.sb-preview[open]){overflow:hidden}
@media(max-width:760px){.story-builder .sb-preview{width:calc(100vw - 16px);height:calc(100dvh - 24px);max-height:calc(100dvh - 24px);border-radius:12px}.sb-preview .sb-preview-head{padding:10px 12px;gap:10px}.sb-preview .sb-preview-head h2{font-size:17px}.sb-preview [data-sb-preview-body]{padding:12px;scroll-padding:12px}.sb-preview article{padding:14px;margin-bottom:12px;border-radius:8px}.sb-preview article h3{font-size:18px;margin-bottom:10px}.sb-preview article>p{font-size:16px;line-height:2}.sb-preview article>.sb-preview-links{font-size:12px}}
@media(max-height:520px){.story-builder .sb-preview{height:calc(100dvh - 16px);max-height:calc(100dvh - 16px)}.sb-preview .sb-preview-head{padding-block:6px}.sb-preview .sb-preview-label{display:none}}
.sb-canvas .sb-flow-node{padding:0;border:0!important;background:transparent!important;box-shadow:none!important;pointer-events:none;min-height:64px;border-radius:0}
.sb-flow-node .drawflow_content_node{height:100%;pointer-events:none}
.story-builder .sb-flow-drag,.story-builder .sb-flow-drag:hover{position:absolute;inset:0;width:100%;height:100%;min-height:0;margin:0;padding:0;border:0;background:transparent!important;color:var(--accent-blue);pointer-events:none;cursor:grab}
.sb-flow-node .sb-flow-svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible;z-index:0}
.sb-flow-stroke{fill:none;stroke:currentColor;stroke-width:4;stroke-linecap:round;pointer-events:none;vector-effect:non-scaling-stroke}
.sb-flow-hit{fill:none;stroke:transparent;stroke-width:18;pointer-events:stroke;vector-effect:non-scaling-stroke}
.sb-flow-node:has([aria-pressed=true]) .sb-flow-stroke,.sb-flow-node:has(:focus-visible) .sb-flow-stroke{stroke-width:5}
.sb-canvas .sb-flow-node:has(:focus-visible){outline:none}
.sb-flow-label{position:absolute;transform:translate(-50%,-100%) translateY(-10px);font-size:13px;line-height:1.6;max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--accent-blue);pointer-events:none}
.story-builder .sb-line-end{position:absolute;z-index:5;width:calc(44px / var(--sb-canvas-zoom,1));height:calc(44px / var(--sb-canvas-zoom,1));min-height:0;padding:0;border:0;background:transparent!important;transform:translate(-50%,-50%);opacity:0;pointer-events:none;touch-action:none;cursor:move}
.sb-line-end .icon{width:calc(16px / var(--sb-canvas-zoom,1));height:calc(16px / var(--sb-canvas-zoom,1));padding:2px;background:var(--white);border:1px solid var(--accent-blue);border-radius:4px}
.sb-flow-node:hover .sb-line-end,.sb-flow-node:has(:focus-visible) .sb-line-end{opacity:1;pointer-events:auto}
.sb-line-editing,.sb-line-editing *{cursor:move!important;user-select:none!important}
@media(hover:none){.sb-flow-node:has([aria-pressed=true]) .sb-line-end,.sb-canvas .sb-flow-node:has([aria-pressed=true]) .sb-port{opacity:1;pointer-events:auto}}
@media(max-width:760px){.sb-tools>[data-sb=add-line]{grid-column:span 2}.sb-tools>[data-sb=add-text],.sb-tools>[data-sb=add-image]{grid-column:span 2}.sb-tools>[data-sb=add-text],.sb-tools>[data-sb=add-image],.sb-tools>[data-sb=add-line]{font-size:12px;flex-direction:column;gap:2px;padding:8px 4px}}
.sb-line-menu{position:fixed;z-index:1000;min-width:190px;max-width:calc(100vw - 16px);padding:6px;border:1px solid var(--line);border-radius:10px;background:var(--white);box-shadow:0 8px 30px #0003;display:grid;gap:4px}.sb-line-menu[hidden]{display:none}
.story-builder .sb-line-menu button{justify-content:flex-start;width:100%;min-height:44px;text-align:left;border:0;background:transparent;font-size:13px;white-space:normal}.sb-line-menu [data-line-menu-delete]{color:var(--accent-red)}