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.viewer_3Dmoljs{background:var(--surface-2);max-width:100%;margin-inline:auto;position:relative}.prose .viewer_3Dmoljs:not([data-mol-state=ready]):before{content:"";background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 40 40'%3E%3Cpolygon points='20,3 35,11.5 35,28.5 20,37 5,28.5 5,11.5' fill='none' stroke='white' stroke-opacity='.75' stroke-width='2.5'/%3E%3C/svg%3E") 50%/contain no-repeat;width:36px;height:36px;margin:auto;animation:1.6s linear infinite spin;position:absolute;inset:0}.prose .viewer_3Dmoljs[data-mol-state=error]:before{content:attr(data-error);width:auto;height:auto;font:.8rem var(--font-mono);color:#fff;text-align:center;background:0 0;place-items:center;padding:1rem;animation:none;display:grid}.prose .mol-frame{width:min(var(--w), 100%);background:var(--carbon);border-radius:var(--radius);box-shadow:var(--shadow-lg);font-family:var(--font-display);margin:2rem auto;overflow:hidden}.prose .mol-stage{position:relative}.prose .mol-stage .viewer_3Dmoljs{background:var(--carbon-3);margin:0;display:block}.prose .mol-hint{z-index:2;color:#fff;font:.68rem/1.3 var(--font-mono);white-space:nowrap;pointer-events:none;opacity:0;background:#070b16a8;border-radius:999px;padding:.3rem .65rem;transition:opacity .25s;position:absolute;bottom:.6rem;left:50%;transform:translate(-50%)}.prose .mol-frame:hover:not(.touched) .mol-hint{opacity:1}.prose .mol-frame.is-active .mol-stage{outline:2px solid var(--teal);outline-offset:-2px}.prose .mol-bar{background:var(--carbon-2);color:var(--on-carbon-muted);text-align:left;border-top:1px solid #ffffff12;align-items:center;gap:.5rem;margin:0;padding:.45rem .45rem .45rem .8rem;display:flex}.prose .mol-id{flex:1;align-items:baseline;gap:.55rem;min-width:0;display:flex}.prose .mol-formula{font:600 .9rem var(--font-display);color:#fff;flex-shrink:0}.prose .mol-formula sub{font-size:.68em}.prose .mol-name{font:.7rem var(--font-mono);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.prose .mol-actions{flex-shrink:0;gap:.15rem;display:flex}.prose .mol-btn{width:30px;height:30px;color:var(--on-carbon-muted);cursor:pointer;background:0 0;border:0;border-radius:7px;place-items:center;text-decoration:none;transition:background .15s,color .15s;display:inline-grid}.prose .mol-btn:hover,.prose .mol-btn.on{color:#fff;background:#ffffff17}.prose .mol-btn.on{color:var(--teal)}.prose .mol-btn svg{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;width:16px;height:16px}.prose .mol-frame:fullscreen{border-radius:0;flex-direction:column;width:100%;display:flex}.prose .mol-frame:fullscreen .mol-stage{flex:1}.prose .mol-frame:fullscreen .viewer_3Dmoljs{width:100%!important;height:100%!important}.prose .topic-card:not(.tile){background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);font-family:var(--font-display);align-items:center;gap:1rem;padding:.75rem;font-size:.98rem;line-height:1.45;display:flex;position:relative}.prose .topic-card:not(.tile) img{object-fit:cover;border-radius:var(--radius-sm);width:88px;height:88px;display:block}.prose .topic-card:not(.tile) p{margin:0}.notfound{text-align:center;padding-block:clamp(4rem,10vw,8rem)}.notfound .big{font:700 clamp(5rem, 3rem + 10vw, 10rem)/.9 var(--font-display);letter-spacing:-.06em;background:linear-gradient(100deg, var(--accent), var(--teal));color:#0000;-webkit-background-clip:text;background-clip:text}.notfound p{color:var(--muted);max-width:44ch;margin-inline:auto}@media (width<=600px){.prose .card-grid,.tiles-wrap .prose .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem}.prose .tile-element{width:46px;height:46px;margin:-26px 0 0 .65rem}.prose .tile-sym{font-size:1.2rem}.prose .tile-body{padding:.55rem .7rem .75rem}.prose .tile-name{font-size:.95rem}.prose .tile-desc{-webkit-line-clamp:2;font-size:.78rem}.hero-molecule{bottom:2.25rem}.hero-kicker{font-size:.7rem}}