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b{color:var(--color-text-muted);font-size:12px;font-weight:700;white-space:nowrap}.bdi-fullscreen-subtabs{display:flex;border:2px solid var(--color-border-hard);box-shadow:2px 2px 0 rgba(0,0,0,.5);pointer-events:auto}.bdi-fullscreen-subtabs button{height:36px;padding:0 12px;background:rgba(29,29,29,.92);color:var(--color-text-disabled);font-size:12px;font-weight:700}.bdi-fullscreen-subtabs button.is-on{background:var(--color-bg-inset);color:var(--color-text-primary)}.bdi-fullscreen-exit{position:absolute;top:0;left:-40px;width:34px;height:40px;display:grid;place-items:center;background:rgba(29,29,29,.92);color:var(--color-text-muted);border:2px solid var(--color-border-hard);box-shadow:2px 2px 0 rgba(0,0,0,.5);pointer-events:auto}.bd-viewer:fullscreen .bdi-tool-rail{top:58px;left:12px;right:auto}.bd-viewer:fullscreen .bdi-tool-rail>button{width:34px;height:38px}.bd-viewer:fullscreen .bdi-tool-rail .bdi-entity-toggle,.bd-viewer:fullscreen .bdi-tool-rail>button span,.bd-viewer:fullscreen .bdi-tool-rail>i{display:none}.bd-viewer:fullscreen .bdi-fullscreen-learning{position:absolute;z-index:20;top:12px;right:12px;bottom:12px;left:auto;width:252px;max-height:none;display:flex;flex-direction:column;gap:0;padding:0;background:rgba(29,29,29,.94);border:2px solid var(--color-border-hard);box-shadow:3px 3px 0 rgba(0,0,0,.5)}.bd-viewer:fullscreen .bdi-fullscreen-materials{min-height:0;flex:1;display:flex;flex-direction:column;padding:10px 12px}.bd-viewer:fullscreen .bdi-fullscreen-materials .bdi-level-list{min-height:0;flex:1;max-height:none;overflow-y:auto}.bd-viewer:fullscreen .bdi-fullscreen-actions{flex:none;display:grid;grid-template-columns:52px minmax(0,1fr);gap:8px;margin:0;padding:10px 12px;border-top:2px solid var(--color-border-hard)}.bd-viewer:fullscreen .bd-scrubber{right:276px;bottom:12px;left:52px;height:44px;display:flex;padding:0 10px}.bd-viewer:fullscreen .bd-sc-div,.bd-viewer:fullscreen .bd-sc-nav,.bd-viewer:fullscreen .bd-sc-reset,.bd-viewer:fullscreen .bd-sc-speed{display:none}.bd-viewer:fullscreen .bd-sc-play{width:30px;height:30px}.bd-viewer:fullscreen .bd-sc-readout{min-width:auto;font-size:12px}.bd-viewer:fullscreen .bd-side-panel,.bd-viewer:fullscreen .bdi-selection-card{display:none}@media (orientation:portrait){.bd-viewer:fullscreen .bdi-fullscreen-top{top:44px;left:12px;right:12px}.bd-viewer:fullscreen .bdi-fullscreen-readout b,.bd-viewer:fullscreen .bdi-fullscreen-readout i,.bd-viewer:fullscreen .bdi-fullscreen-subtabs{display:none}.bd-viewer:fullscreen .bdi-fullscreen-exit{right:0;left:auto;width:40px}.bd-viewer:fullscreen .bdi-tool-rail{top:96px;right:12px;left:auto}.bd-viewer:fullscreen .bdi-tool-rail>button{width:46px;height:46px}.bd-viewer:fullscreen .bdi-tool-rail>button span{display:block}.bd-viewer:fullscreen .bdi-fullscreen-learning{top:auto;right:12px;bottom:calc(20px + env(safe-area-inset-bottom));left:12px;width:auto;max-height:210px;gap:8px;padding:10px 12px;border:2px solid var(--color-border-hard)}.bd-viewer:fullscreen .bdi-fullscreen-materials{padding:0;overflow:hidden}.bd-viewer:fullscreen .bdi-fullscreen-materials .bdi-level-list{display:flex;flex-direction:row;overflow-x:auto;overflow-y:hidden}.bd-viewer:fullscreen .bdi-fullscreen-materials .bdi-level-list>button{flex:none;min-height:46px;grid-template-columns:30px auto auto}.bd-viewer:fullscreen .bdi-fullscreen-materials .bdi-level-check{display:none}.bd-viewer:fullscreen .bdi-fullscreen-actions{grid-template-columns:56px minmax(0,1fr);padding:0;border:0}.bd-viewer:fullscreen .bd-scrubber{display:none}}