.empirical-tabs{display:flex;gap:8px;flex-wrap:wrap;border-bottom:1px solid var(--border,#d0d7de);padding-bottom:8px;margin-bottom:16px}
.empirical-tab{appearance:none;border:1px solid var(--border,#d0d7de);border-radius:8px;background:var(--surface-100,#f5f7fb);padding:6px 14px;font-weight:600;cursor:pointer}
.empirical-panel{display:grid;gap:16px}
.empirical-form-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.empirical-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.result-grid{display:grid;gap:20px}
@media(min-width:1100px){.result-grid{grid-template-columns:1fr 1fr}}
.result-steps{display:grid;gap:8px;margin:0;padding-left:20px;font-variant-numeric:tabular-nums}