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.experiments button>span,.experiments svg{color:var(--amber)}
.experiments button:hover{background:#201e1a;border-color:var(--amber-line)}
.experiment-note{background:var(--amber-surface);border-color:var(--amber-line);color:#e4c9a4}
.mode-switch button.active{background:#203046;color:#c3d7ee}
.panel,.button,.experiments button,.diagram-wrap svg{box-shadow:none;text-shadow:none;filter:none}
.diagram-wrap{background-image:none}
.legend-dot.amber{background:var(--amber)}

/* Readable neutral structure and annotations, distinct from the blue rope. */
.brand-mark{width:42px;height:46px;object-fit:contain;flex-shrink:0}
.svg-small,.svg-label{fill:#f1f3f5}
.svg-submass{fill:#e7ebf0}
@media(max-width:620px){.brand-mark{width:36px;height:40px}}

.legend-dot.rope{background:#e16b6b}

.lab-nav{display:flex;justify-content:space-between;gap:16px;margin-bottom:28px;font-size:12px;color:var(--muted)}.lab-nav a{text-decoration:none;color:var(--text)}
.catalog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin:30px 0 60px}.catalog-card{display:block;padding:28px;color:var(--text);text-decoration:none}.catalog-card h2{margin:18px 0 10px}.catalog-card p{color:var(--muted);font-size:13px}.catalog-card .badge{color:var(--amber);font-size:11px}.catalog-card.available:hover{border-color:var(--amber)}.catalog-card .open{display:block;margin-top:24px;color:var(--softblue)}.catalog-card svg{width:100%;height:150px}
@media(max-width:620px){.lab-nav{font-size:10px}.support-equation{font-size:24px;gap:10px}}