.exhibit.bh .stage{background:#000}.exhibit.bh .stage-hint{color:#d9d5ca;opacity:.8;inset-inline-start:auto;inset-inline-end:14px;bottom:12px;text-align:end}.exhibit.bh .hud-btn{background:#141412b8;border-color:#e9e6dc47;color:#ece8de}.exhibit.bh .hud-btn:hover{background:#282824e6;border-color:#ece8de}.bh-badge{position:absolute;inset-inline-start:14px;bottom:12px;margin:0;padding:4px 7px;font:500 10.5px/1.2 var(--mono);letter-spacing:.04em;color:#ece8de;background:#0000008c;border:1px solid rgba(233,230,220,.3);pointer-events:none;z-index:2}.bh-readout{width:262px;min-width:0;z-index:2}.bh-readout [data-r]{text-align:end;white-space:nowrap}.bh-readout canvas.bh-tidal{width:100%;height:auto;aspect-ratio:460 / 156;border-top:1px solid var(--rule)}.bh-readout.is-hl-clock .bh-clock,.bh-readout.is-hl-clock .bh-hour,.bh-readout.is-hl-tidal .bh-tidal,.bh-readout.is-hl-tidal .bh-rs{background:#f5dccd;outline:3px solid #f5dccd}.bh-readout.is-hl-tidal canvas.bh-tidal{outline:2px solid var(--accent)}.bh-rings{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:1}.bh-rings path{fill:none;stroke-width:1.4;vector-effect:non-scaling-stroke}.bh-c-photon{stroke:#ffb35c;stroke-dasharray:5 5}.bh-c-ein{stroke:#8fd0ff;stroke-dasharray:2 5}.bh-lab{position:absolute;left:0;top:0;z-index:2;pointer-events:none;font:500 11px/1 var(--mono);letter-spacing:.02em;color:#16150f;background:#f8f6f1eb;border:1px solid var(--rule-2);padding:4px 6px;white-space:nowrap;margin:-10px 0 0 6px}.bh-lab-bright{border-color:#e0451b;margin-left:-40px}.bh-lab-far{margin-left:0;translate:-50% 0}.bh-lab-einstein{translate:-100% -100%;margin:0}.exhibit.bh-falling .bh-badge:after{content:" \b7  v = \221a(rs/r) c"}@media(max-width:600px){.bh-readout{min-width:0;width:212px;max-width:calc(100% - 64px);font-size:10.5px;gap:4px;padding:8px 9px}.bh-readout .bh-ring,.bh-readout .bh-hour{display:none}.bh-badge{bottom:10px;inset-inline-start:8px;font-size:9.5px;max-width:46%}.exhibit.bh .stage-hint{inset-inline-end:8px;bottom:10px;max-width:46%;line-height:1.3}.bh-lab{font-size:10px}:lang(ur) .bh-chips{bottom:66px}}.exhibit[data-slug=black-hole-view] .panel-tab,.exhibit[data-slug=black-hole-view] .ctl-name,.exhibit[data-slug=black-hole-view] .btn,.exhibit[data-slug=black-hole-view] .stage-hint,.exhibit[data-slug=black-hole-view] .stage-loader,.exhibit[data-slug=black-hole-view] .tour-count,.bh-readout,.bh-lab,.bh-badge,.bh-chips button{font-family:var(--sans);letter-spacing:0}.exhibit[data-slug=black-hole-view] .ctl-name,.exhibit[data-slug=black-hole-view] .panel-tab{text-transform:none;font-size:13px}.bh-readout{font-size:12px}.bh-readout .ro-k{text-transform:none;letter-spacing:0;white-space:nowrap;flex:none}.bh-readout [data-r=hour]{font-variant-numeric:tabular-nums}.bh-readout [data-r=r],.bh-readout [data-r=clock],.bh-readout [data-r=shadow],.bh-readout [data-r=ring],.bh-readout [data-r=rs],.bh-readout [data-r=tidal]{font-family:var(--mono);font-size:11.5px}.bh-readout [data-r=bh],.bh-readout [data-r=from]{white-space:normal;max-width:165px;line-height:1.25}.exhibit[data-slug=black-hole-view] .hud-btn{width:44px;height:44px}.exhibit[data-slug=black-hole-view] .btn{min-height:44px}.bh-chips{position:absolute;left:50%;bottom:44px;translate:-50% 0;z-index:3;display:flex;gap:6px;flex-wrap:nowrap}.bh-chips button{appearance:none;min-width:52px;height:44px;padding:0 10px;border:1px solid rgba(233,230,220,.4);background:#0e0e0cb8;color:#ece8de;font-size:13px;font-weight:600;cursor:pointer;border-radius:3px;white-space:nowrap}.bh-chips button:hover,.bh-chips button:focus-visible{background:#ece8de;color:#16150f}.bh-chips.is-hl button{border-color:var(--accent)}.bh-compare{margin:28px auto 8px}.bh-compare h2{font-size:clamp(22px,2.2vw,28px);margin:0 0 6px}.bh-count{font:500 14px/1 var(--mono);color:var(--mute);vertical-align:middle}.bh-compare-dek{color:var(--ink-2);margin:0 0 14px;max-width:70ch;font-size:15px}.bh-filter{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;margin-bottom:10px}.bh-search{min-height:44px;padding:0 12px;border:1px solid var(--rule-2);background:var(--card);font:15px var(--sans);min-width:220px;flex:1 1 220px;max-width:340px;border-radius:3px}.bh-types{display:flex;flex-wrap:wrap;gap:6px}.bh-types button{min-height:44px;min-width:44px;padding:0 12px;border:1px solid var(--rule-2);background:none;font:500 14px var(--sans);cursor:pointer;border-radius:3px}.bh-types button[aria-pressed=true]{background:var(--ink);color:var(--paper);border-color:var(--ink)}.bh-table-wrap{overflow-x:auto;border:1px solid var(--rule);-webkit-overflow-scrolling:touch}.bh-table{width:100%;border-collapse:collapse;font-size:14px;min-width:760px}.bh-table th,.bh-table td{text-align:start;padding:6px 10px;border-bottom:1px solid var(--rule);vertical-align:middle}.bh-table thead th{font-weight:600;color:var(--mute);background:var(--paper-2);font-size:13px}.bh-table td.num{font-variant-numeric:tabular-nums;font-size:14px;white-space:nowrap}.bh-table tr.is-on{background:#f5dccd}.bh-use{appearance:none;border:0;background:none;padding:0;min-height:44px;font:600 14px var(--sans);color:var(--ink);cursor:pointer;text-align:start;display:inline-flex;align-items:center;gap:8px}.bh-use:hover{color:var(--accent-ink);text-decoration:underline}.bh-type{display:block;font-size:12px;color:var(--mute);font-weight:400;margin:-4px 0 6px 18px;line-height:1.2}.bh-dot{width:10px;height:10px;border-radius:50%;flex:none;background:#888}.bh-t-s{background:#4f7fa8}.bh-t-m{background:#8a5fb0}.bh-t-i{background:#b98a2a}.bh-t-g{background:#c0461c}.bh-t-r{background:#9b9486}.bh-none{padding:12px;color:var(--mute)}@media(max-width:600px){.bh-chips{bottom:40px;gap:4px}.bh-chips button{min-width:44px;padding:0 6px;font-size:12px}.bh-readout [data-r=bh],.bh-readout [data-r=from]{max-width:120px}.bh-readout .bh-from,.bh-readout .bh-clock{display:none}}.exhibit[data-slug=black-hole-view] .panel-tab{min-height:44px}.exhibit[data-slug=black-hole-view] .ctl-range output[data-out=mass]{font-family:var(--sans);font-size:13px}@media(max-width:600px){.exhibit.bh-falling .bh-badge:after{content:""}}