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.25rem;font-size:1.45rem;font-weight:800;line-height:1.3}.circuit-name-sub{color:#94a3b8;margin-bottom:.75rem;font-size:.95rem;display:block}.quick-specs{color:#64748b;background:#0f172a80;border:1px solid #334155;border-radius:6px;flex-wrap:wrap;align-items:center;gap:.5rem;margin-bottom:1.5rem;padding:.4rem .6rem;font-size:.75rem;font-weight:600;display:flex}.spec-dot{color:#475569}.read-btn{color:#fff;background:#e10600;border-radius:6px;align-self:flex-start;align-items:center;gap:.5rem;margin-top:auto;padding:.6rem 1.2rem;font-size:.9rem;font-weight:700;text-decoration:none;transition:background .2s;display:inline-flex}.card:hover .read-btn{background:#ff1a1a}.empty-state{text-align:center;color:#94a3b8;background:#1e293b;border:1px dashed #475569;border-radius:12px;flex-direction:column;grid-column:1/-1;align-items:center;gap:1rem;padding:4rem 2rem;display:flex}.empty-state.hidden{display:none!important}.empty-state p{margin:0;font-size:1.05rem}@media 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