.math-registry-main{max-width:1240px;margin:0 auto;padding:0 28px 72px}.registry-hero{margin:28px 0 22px;padding:42px;border:1px solid var(--line,#33414b);background:linear-gradient(145deg,#111a20,#18252b);color:#f2efe6}.registry-hero h1{font-size:clamp(2.2rem,5vw,4.7rem);margin:.2rem 0 1rem;max-width:900px}.registry-hero p{max-width:820px;line-height:1.65}.registry-tabs{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 28px}.registry-tabs a{padding:9px 13px;border:1px solid #8a7750;text-decoration:none;color:inherit}.registry-tabs a[aria-current=page]{background:#b49a61;color:#111}.registry-guidance{border-left:4px solid #b49a61;padding:18px 22px;margin:24px 0 34px;background:#f3efe5}.registry-guidance strong{display:block;margin-bottom:6px}.registry-meta{display:flex;justify-content:space-between;gap:16px;align-items:end;margin:34px 0 12px}.registry-count{font-family:monospace}.registry-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}.registry-card{border:1px solid #c7bfae;background:#fffdf8;padding:20px;display:flex;flex-direction:column;min-height:230px}.registry-card .rid{font: .78rem monospace;opacity:.68}.registry-card h2{font-size:1.25rem;margin:.6rem 0}.registry-card p{line-height:1.55;flex:1}.registry-card .badges{display:flex;gap:7px;flex-wrap:wrap;margin:8px 0}.registry-card .badge{font: .72rem monospace;border:1px solid #a69b88;padding:4px 6px}.registry-card .source-warning{font-size:.82rem;color:#7d3a2c;border-top:1px solid #ddd2c2;padding-top:10px}.registry-card a.more{margin-top:12px;text-decoration:none;font-weight:650}.empty-registry{border:1px dashed #a69b88;padding:28px}.registry-policy{margin-top:32px;padding-top:24px;border-top:1px solid #c7bfae}.registry-policy h2{font-size:1.15rem}.registry-policy p{max-width:900px;line-height:1.6}@media(max-width:650px){.math-registry-main{padding:0 16px 50px}.registry-hero{padding:28px 22px}.registry-meta{align-items:start;flex-direction:column}}