.teaching-material-mind-map-page{background:var(--color-void);padding:32px 0 64px}.teaching-material-mind-map-heading{margin:32px 0 28px}.teaching-material-mind-map-heading .mono-label{margin:0 0 12px}.teaching-material-mind-map-heading h1{max-width:900px;color:var(--color-paper);letter-spacing:-.022em;text-wrap:balance;margin:0;font-size:clamp(28px,4vw,40px);font-weight:510;line-height:1.15}.teaching-material-mind-map-viewer{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}.teaching-material-mind-map-viewer:is([data-reading-theme=light],[data-reading-theme=sepia]){--mind-map-branch-teal:#007d8b;--mind-map-branch-indigo:#4f46e5;--mind-map-branch-violet:#7c3aed;--mind-map-branch-green:#207d38;--mind-map-branch-red:#c43d3d;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}.teaching-material-mind-map-viewer-header{--color-carbon:#0f1011;--color-obsidian:#161718;--color-graphite:#23252a;--color-fog:#8a8f98;--color-mist:#d0d6e0;--color-paper:#fff;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;flex-wrap:wrap;justify-content:flex-start;align-items:center;gap:12px;margin-bottom:16px;display:flex}.teaching-material-mind-map-viewer[data-viewport-ready=false] .teaching-material-mind-map-panel{display:none}.teaching-material-mind-map-viewer[data-viewport-ready=false] .teaching-material-mind-map-tabs{visibility:hidden}.teaching-material-mind-map-loading{min-height:160px;color:var(--color-fog);margin:0}.teaching-material-mind-map-theme-menu{position:relative}.teaching-material-mind-map-theme-menu-list{margin:0;padding:0;list-style:none}.teaching-material-mind-map-theme-trigger{border:.5px solid var(--color-graphite);background:var(--color-carbon);min-height:45px;color:var(--color-mist);font-family:var(--font-inter-variable);cursor:pointer;border-radius:6px;align-items:center;gap:8px;padding:8px 12px;font-size:13px;font-weight:510;transition:color .16s,background-color .16s,border-color .16s;display:inline-flex}.teaching-material-mind-map-theme-trigger:hover,.teaching-material-mind-map-theme-trigger[data-state=open]{border-color:var(--color-smoke);background:var(--color-obsidian);color:var(--color-paper)}.teaching-material-mind-map-theme-trigger:focus-visible{outline:2px solid var(--color-mist);outline-offset:3px}.teaching-material-mind-map-theme-chevron{color:var(--color-fog);margin-left:4px;transition:transform .16s}.teaching-material-mind-map-theme-trigger[data-state=open] .teaching-material-mind-map-theme-chevron{transform:rotate(180deg)}.teaching-material-mind-map-theme-dropdown{z-index:50;outline:none;padding-top:10px;position:absolute;top:100%;left:0}.teaching-material-mind-map-theme-dropdown[data-state=open]{animation:.16s ease-out mind-map-theme-menu-in}.teaching-material-mind-map-theme-menu-panel{width:180px}.teaching-material-mind-map-theme-menu-option{text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;gap:10px;width:100%;min-height:40px;display:flex}.teaching-material-mind-map-theme-menu-option[data-selected=true]{color:var(--color-paper);background:#ffffff0d}.teaching-material-mind-map-theme-check{margin-left:auto}@keyframes mind-map-theme-menu-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){.teaching-material-mind-map-theme-dropdown[data-state=open]{animation:none}.teaching-material-mind-map-theme-chevron{transition:none}}.teaching-material-mind-map-tabs{border:.5px solid var(--color-graphite);background:var(--color-carbon);border-radius:6px;gap:4px;width:fit-content;margin:0;padding:4px;display:flex}.teaching-material-mind-map-tab,.lesson-mind-map-control{min-height:36px;color:var(--color-fog);font-family:var(--font-inter-variable);cursor:pointer;border:.5px solid #0000;border-radius:6px;justify-content:center;align-items:center;gap:8px;padding:8px 12px;font-size:13px;font-weight:510;line-height:1.2;transition:color .16s,background-color .16s,border-color .16s;display:inline-flex}.teaching-material-mind-map-tab[data-state=active]{background:var(--color-graphite);color:var(--color-paper)}.teaching-material-mind-map-tab:hover,.lesson-mind-map-control:hover:not(:disabled){background:var(--color-obsidian);color:var(--color-paper)}.teaching-material-mind-map-tab:focus-visible,.lesson-mind-map-control:focus-visible,.teaching-material-mind-map-panel:focus-visible,.teaching-material-mind-map-topics a:focus-visible{outline:2px solid var(--color-mist);outline-offset:3px}.teaching-material-mind-map-panel[data-state=inactive]{display:none}.lesson-mind-map-preview{border:.5px solid var(--color-graphite);background:var(--color-carbon);border-radius:12px;overflow:hidden}.lesson-mind-map-toolbar{border-bottom:.5px solid var(--color-graphite);flex-wrap:wrap;justify-content:flex-end;gap:8px;padding:12px;display:flex}.lesson-mind-map-control-group{gap:8px;display:flex}.lesson-mind-map-preview[data-fullscreen]{z-index:1000;width:100%;height:100dvh;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);border:0;border-radius:0;flex-direction:column;display:flex;position:fixed;inset:0}.lesson-mind-map-preview[data-fullscreen] .lesson-mind-map-canvas{flex:1;min-height:0}.lesson-mind-map-preview[data-fullscreen] .lesson-mind-map-svg{height:100%}.lesson-mind-map-preview[data-fullscreen] :is(.lesson-mind-map-toolbar,.lesson-mind-map-help){flex-shrink:0}.lesson-mind-map-control{border-color:var(--color-graphite);color:var(--color-mist);background:0 0}.lesson-mind-map-control:disabled{opacity:.4;cursor:default}.lesson-mind-map-canvas{position:relative}.lesson-mind-map-svg{touch-action:none;width:100%;height:clamp(400px,66dvh,720px);display:block}.lesson-mind-map-preview .markmap-foreign strong{font-weight:590}.lesson-mind-map-message{background:var(--color-carbon);color:var(--color-fog);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:16px;padding:24px;font-size:15px;line-height:1.6;display:flex;position:absolute;inset:0}.lesson-mind-map-message p{max-width:420px;margin:0}.lesson-mind-map-help{border-top:.5px solid var(--color-graphite);color:var(--color-fog);margin:0;padding:12px 16px;font-size:13px;line-height:1.5}.teaching-material-mind-map-topics{overflow-wrap:anywhere;border:.5px solid var(--color-graphite);background:var(--color-carbon);color:var(--color-mist);border-radius:12px;padding:24px;font-size:16px;line-height:1.6}.teaching-material-mind-map-topics :is(h2,h3,h4){color:var(--color-paper);letter-spacing:-.012em;font-weight:510}.teaching-material-mind-map-topics h2{margin:0 0 24px;font-size:24px;line-height:1.3}.teaching-material-mind-map-topics h3{margin:32px 0 16px;font-size:20px;line-height:1.4}.teaching-material-mind-map-topics :is(ul,ol){margin:12px 0;padding-left:24px}.teaching-material-mind-map-topics ul{list-style:outside}.teaching-material-mind-map-topics ol{list-style:decimal}.teaching-material-mind-map-topics li+li{margin-top:8px}.teaching-material-mind-map-topics li::marker{color:var(--color-fog)}.teaching-material-mind-map-topics strong{font-weight:590}.teaching-material-mind-map-topics a{color:var(--color-mist);text-underline-offset:3px;text-decoration:underline}@media (max-width:640px){.teaching-material-mind-map-viewer-header{flex-direction:column;align-items:stretch}.teaching-material-mind-map-tabs{width:100%}.teaching-material-mind-map-tab{flex:1}.teaching-material-mind-map-theme-menu{align-self:stretch}.teaching-material-mind-map-theme-trigger,.teaching-material-mind-map-theme-dropdown,.teaching-material-mind-map-theme-menu-panel{width:100%}.teaching-material-mind-map-theme-chevron{margin-left:auto}.teaching-material-mind-map-theme-menu-option{min-height:44px}.teaching-material-mind-map-page{padding-top:24px}.teaching-material-mind-map-topics{padding:16px;font-size:15px}.teaching-material-mind-map-topics :is(ul,ol){padding-left:16px}.lesson-mind-map-control,.teaching-material-mind-map-tab{min-height:44px}}