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(width<=480px){:root{--header-height:52px}.header{padding:0 12px}.logo{font-size:1.1rem}.control-btn{padding:6px 10px;font-size:12px}.viewer-controls{gap:6px;padding:6px 12px}.action-btn{padding:8px 14px;font-size:12px}.structure-header{flex-direction:column;gap:8px}.structure-icon{width:40px;height:40px}.structure-icon svg{width:24px;height:24px}}.mesh-highlight{outline:2px solid var(--highlight);filter:drop-shadow(0 0 8px var(--highlight-glow))}.selected-mesh{outline-color:var(--highlight)}.loading-overlay .loading-text{animation:1.5s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:0s!important;animation-duration:0s!important;animation-iteration-count:1!important}}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}:focus:not(:focus-visible){outline:none}::selection{background:var(--accent-dim);color:var(--accent)}.preset-row{border-bottom:1px solid var(--border);flex-wrap:wrap;gap:6px;margin-bottom:10px;padding:4px 4px 12px;display:flex}.preset-chip{font:inherit;color:var(--fg-secondary);background:var(--bg-tertiary);border:1px solid var(--border);cursor:pointer;border-radius:999px;padding:4px 9px;font-size:11px}.preset-chip:hover{background:var(--accent);border-color:var(--accent);color:#fff}#threeCanvas:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.structure-tags{flex-wrap:wrap;gap:6px;margin-top:8px;display:flex}.structure-tag{background:var(--bg-tertiary);border:1px solid var(--border);color:var(--fg-secondary);border-radius:999px;padding:2px 8px;font-size:11px}.structure-tag.warn{border-color:var(--warning);color:var(--warning);cursor:help}.structure-latin{color:var(--fg-secondary);margin-top:2px;font-style:italic;display:block}.structure-description{border-top:1px solid var(--border);color:var(--fg-primary);margin-top:16px;padding-top:16px;line-height:1.6}.structure-description.is-empty{color:var(--fg-muted);font-style:italic}.definition-source{color:var(--accent);margin-top:10px;font-size:12px;text-decoration:none;display:inline-block}.definition-source:hover{text-decoration:underline}.structure-relations{flex-direction:column;gap:8px;margin-top:14px;display:flex}.relation{flex-wrap:wrap;align-items:baseline;gap:6px;font-size:12px;display:flex}.relation-label{color:var(--fg-muted);text-transform:uppercase;letter-spacing:.05em;font-size:10px}.relation-links{flex-wrap:wrap;gap:4px;display:flex}.relation-link{font:inherit;color:var(--accent);cursor:pointer;text-align:left;background:0 0;border:0;padding:0;font-size:12px}.relation-link:hover{text-decoration:underline}.relation-more{color:var(--fg-muted);font-size:12px}.structure-item:focus-visible,.search-result-item:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.search-result-item.is-active{background:var(--bg-hover);box-shadow:inset 2px 0 0 var(--accent)}