html.bt-lightbox-open{overflow:hidden}.bt-figure-zoom{position:relative;cursor:zoom-in}.bt-figure-zoom__badge{position:absolute;top:.5rem;right:.5rem;display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;border:1px solid color-mix(in srgb,var(--tone-fg) 20%,transparent);border-radius:var(--radius-md);background:color-mix(in srgb,var(--tone-bg) 88%,transparent);color:var(--tone-fg);opacity:.8;pointer-events:none;transition:opacity .12s ease-out}.bt-figure-zoom:focus-visible .bt-figure-zoom__badge,.bt-figure-zoom:hover .bt-figure-zoom__badge{opacity:1}.bt-figure-zoom:focus-visible{outline:2px solid var(--tone-link);outline-offset:2px}.bt-lightbox{position:fixed;inset:0;width:100%;height:100%;max-width:none;max-height:none;margin:0;padding:0;border:0;background:color-mix(in srgb,var(--tone-bg) 96%,transparent);backdrop-filter:blur(8px);color:var(--tone-fg);overscroll-behavior:contain}@supports not (backdrop-filter:blur(1px)){.bt-lightbox{background:var(--tone-bg)}}.bt-lightbox[open]{display:grid;grid-template-rows:auto minmax(0,1fr) auto;animation:bt-lightbox-fade .16s ease-out}.bt-lightbox::backdrop{background:transparent}.bt-lightbox__bar,.bt-lightbox__foot{display:flex;align-items:center;gap:.5rem;padding:.5rem max(.75rem,env(safe-area-inset-right)) .5rem max(.75rem,env(safe-area-inset-left))}.bt-lightbox__bar{padding-top:max(.5rem,env(safe-area-inset-top))}.bt-lightbox__foot{display:grid;grid-template-columns:2.75rem minmax(0,1fr) 2.75rem;padding-bottom:max(.75rem,env(safe-area-inset-bottom))}.bt-lightbox__count{margin-right:auto;font-size:var(--text-small);color:var(--tone-muted);font-variant-numeric:tabular-nums}.bt-lightbox__button{display:inline-flex;align-items:center;justify-content:center;width:2.75rem;height:2.75rem;border:1px solid color-mix(in srgb,var(--tone-fg) 22%,transparent);border-radius:var(--radius-pill);background:color-mix(in srgb,var(--tone-fg) 8%,transparent);color:var(--tone-fg);cursor:pointer}.bt-lightbox__button:hover{background:color-mix(in srgb,var(--tone-fg) 16%,transparent)}.bt-lightbox__button[aria-pressed=true]{background:color-mix(in srgb,var(--tone-fg) 24%,transparent)}.bt-lightbox :is(.bt-lightbox__button,.bt-lightbox__original):focus-visible{outline:2px solid var(--tone-link);outline-offset:2px}.bt-lightbox__stage{position:relative;display:flex;min-height:0;overflow:hidden;padding:0 .75rem;container-type:size}.bt-lightbox__stage[data-zoomed]{overflow:auto}.bt-lightbox__image{--lb-fit:min(100cqw,100cqh * var(--lb-ratio,1.7778));flex:none;width:var(--lb-fit);height:auto;aspect-ratio:var(--lb-ratio,1.7778);margin:auto;cursor:zoom-in}.bt-lightbox__stage[data-zoomed] .bt-lightbox__image{width:calc(2 * var(--lb-fit));max-width:none;cursor:zoom-out}.bt-lightbox__meta{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:center;gap:.25rem 1rem;text-align:center}.bt-lightbox__caption{font-size:var(--text-small);font-weight:600;color:var(--tone-heading)}.bt-lightbox__original{display:inline-flex;min-height:2.75rem;align-items:center;gap:.375rem;font-size:var(--text-small);color:var(--tone-link);text-decoration:underline;text-underline-offset:2px}@keyframes bt-lightbox-fade{0%{opacity:0}}@keyframes bt-lightbox-grow{0%{transform:scale(.96)}}@media (prefers-reduced-motion:no-preference){.bt-lightbox[open] .bt-lightbox__image{animation:bt-lightbox-grow .18s ease-out}}@media (prefers-reduced-motion:reduce){.bt-figure-zoom__badge{transition:none}}.bt-form{display:flex;flex-direction:column;gap:1.5rem}.bt-form__fields{display:grid;grid-template-columns:minmax(0,1fr);gap:1.25rem 1rem}@media (min-width:40rem){.bt-form__fields{grid-template-columns:repeat(2,minmax(0,1fr))}.bt-field{grid-column:1/-1}.bt-field[data-half]{grid-column:auto}}.bt-field{display:flex;flex-direction:column;gap:.375rem;min-width:0}.bt-field__label{font-weight:600;color:var(--tone-heading)}.bt-field__hint,.bt-field__req{font-weight:400;font-size:var(--text-small);color:var(--tone-muted)}.bt-field__control{width:100%;min-height:2.75rem;padding:.625rem .75rem;border:1px solid color-mix(in srgb,var(--tone-fg) 55%,transparent);border-radius:var(--radius-md);background:color-mix(in srgb,var(--tone-fg) 4%,var(--tone-bg));color:var(--tone-fg);font:inherit;line-height:1.5}.bt-field__control::placeholder{color:var(--tone-muted)}textarea.bt-field__control{min-height:8rem;resize:vertical}select.bt-field__control{cursor:pointer}.bt-field__control:hover{border-color:var(--tone-fg)}.bt-field__control:focus-visible{outline:2px solid var(--tone-link);outline-offset:2px;border-color:var(--tone-link)}.bt-field[data-invalid] .bt-field__control{border-width:2px;border-color:var(--color-danger);padding:calc(.625rem - 1px) calc(.75rem - 1px)}.bt-field__error{display:flex;align-items:flex-start;gap:.375rem;font-size:var(--text-small);font-weight:600;color:var(--tone-heading)}.bt-field__icon{flex:none;margin-top:.125rem;color:var(--color-danger)}.bt-form__alert{display:flex;align-items:flex-start;gap:.5rem;padding:.875rem 1rem;border:1px solid color-mix(in srgb,var(--tone-fg) 20%,transparent);border-left:4px solid var(--color-danger);border-radius:var(--radius-md);background:color-mix(in srgb,var(--tone-fg) 5%,var(--tone-bg));color:var(--tone-heading)}.bt-form__alert:focus{outline:none}.bt-form__alert:focus-visible{outline:2px solid var(--tone-link);outline-offset:2px}.bt-form__actions{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem 1.25rem}.bt-form__submit{cursor:pointer}.bt-form__submit[aria-disabled=true]{cursor:progress;opacity:.75}.bt-check{display:flex;align-items:flex-start;gap:.625rem}.bt-check__box{flex:none;width:1.25rem;height:1.25rem;margin-top:.125rem;accent-color:var(--tone-link);cursor:pointer}.bt-check__box:focus-visible{outline:2px solid var(--tone-link);outline-offset:2px}.bt-check__label{color:var(--tone-fg);cursor:pointer}.bt-form__fallback,.bt-form__privacy{font-size:var(--text-small);color:var(--tone-muted)}.bt-form__alert a,.bt-form__fallback a,.bt-form__privacy a{color:var(--tone-link);text-decoration:underline;text-underline-offset:2px}.bt-form__done{display:flex;flex-direction:column;gap:.75rem}.bt-form__done:focus{outline:none}.bt-form-panel{padding:1.25rem;border:1px solid color-mix(in srgb,currentColor 20%,transparent);border-radius:var(--radius-lg);background:color-mix(in srgb,var(--tone-fg) 3%,var(--tone-bg))}@media (min-width:48rem){.bt-form-panel{padding:2rem}}html.bt-dialog-open{overflow:hidden}.bt-book-dialog{width:min(36rem,calc(100% - 2rem));max-height:calc(100dvh - 2rem);margin:auto;padding:0;overflow:auto;border:1px solid color-mix(in srgb,var(--tone-fg) 20%,transparent);border-radius:var(--radius-lg);background:var(--tone-bg);color:var(--tone-fg);overscroll-behavior:contain}.bt-book-dialog::backdrop{background:color-mix(in srgb,var(--color-gray-black) 60%,transparent)}.bt-book-dialog[open]{animation:bt-book-fade .16s ease-out}.bt-book-dialog__inner{display:flex;flex-direction:column;gap:1.25rem;padding:1.25rem}@media (min-width:40rem){.bt-book-dialog__inner{padding:2rem}}.bt-book-dialog__head{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem}.bt-book-dialog__close{display:inline-flex;flex:none;align-items:center;justify-content:center;width:2.75rem;height:2.75rem;margin:-.5rem -.5rem 0 0;border:1px solid color-mix(in srgb,var(--tone-fg) 22%,transparent);border-radius:var(--radius-pill);background:transparent;color:var(--tone-fg);cursor:pointer}.bt-book-dialog__close:hover{background:color-mix(in srgb,var(--tone-fg) 10%,transparent)}.bt-book-dialog__close:focus-visible{outline:2px solid var(--tone-link);outline-offset:2px}@keyframes bt-book-fade{0%{opacity:0}}@media (prefers-reduced-motion:reduce){.bt-book-dialog[open]{animation:none}}.bt-meetings-frame{display:block;width:100%;min-height:44rem;border:1px solid color-mix(in srgb,currentColor 20%,transparent);border-radius:var(--radius-lg);background:var(--color-gray-white)}