.tool-section{background:#fff;border-radius:12px;padding:25px;margin-bottom:25px;box-shadow:0 2px 12px rgba(0,0,0,0.08)}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.input{border:2px solid #e2e8f0;border-radius:6px;height:36px;padding:6px 10px}
.btns{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.kv{display:grid;grid-template-columns:160px 1fr;gap:10px;margin:6px 0}
.kv .key{color:#718096}
.result{background:#f7fafc;border:2px solid #e2e8f0;border-radius:8px;padding:12px}