.assay-card{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:16px 18px;box-shadow:0 4px 14px rgba(0,0,0,.04)}
.assay-title{margin:0 0 12px;font-size:18px;font-weight:700;color:#111827}
.assay-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.assay-field{display:flex;flex-direction:column;gap:6px}
.assay-field span{font-size:13px;color:#374151}
.assay-field input{height:40px;border:1px solid #d1d5db;border-radius:10px;padding:0 12px;font-size:14px;outline:none}
.assay-field input:focus{border-color:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,.15)}
.assay-actions{display:flex;align-items:center;justify-content:space-between;margin-top:12px}
.assay-btn{background:#2563eb;color:#fff;border:none;border-radius:10px;padding:10px 14px;font-size:14px;cursor:pointer}
.assay-btn:hover{filter:brightness(.95)}
.assay-note{font-size:12px;color:#6b7280}
@media (max-width:768px){.assay-grid{grid-template-columns:1fr}}