.tool{max-width:1000px;margin:0 auto;padding:8rem 1.5rem 3rem}
.tool h1{color:var(--primary);font-size:1.9rem;margin-bottom:.4rem;line-height:1.2}
.tool .lead{margin-bottom:1.5rem}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;align-items:start}
.two{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
.panel{background:var(--white);border-radius:8px;padding:1.5rem;box-shadow:0 4px 6px rgba(0,0,0,.05)}
.panel h2{font-size:1.1rem;color:var(--primary)}
.tool label{display:block;font-size:.85rem;font-weight:600;margin:.9rem 0 .25rem}
.tool input,.tool select{width:100%;padding:.7rem;border:1px solid #cbd5e0;border-radius:4px;font-size:1rem;background:var(--white);color:var(--dark)}
.tool input:focus-visible,.tool select:focus-visible,.dropbtn:focus-visible,.menu-toggle:focus-visible{outline:3px solid var(--yellow);outline-offset:1px}
.line{display:flex;justify-content:space-between;gap:1rem;padding:.55rem 0;border-bottom:1px solid var(--gray)}
.big{font-size:2.1rem;font-weight:700;color:var(--primary);margin:.2rem 0 .6rem}
.warn{background:#fffaf0;border-left:4px solid var(--yellow);padding:.6rem .8rem;margin-top:.8rem;font-size:.88rem}
.note{font-size:.8rem;color:#4a5568;margin-top:1rem}
.tool .btn-cta{display:block;text-align:center;margin-top:1.2rem;font-weight:700}
.dropbtn{background:none;border:none;font-size:.95rem;font-weight:500;color:var(--dark);cursor:pointer}
.dropdown.open .dropdown-content{display:block}
footer a{text-decoration:none}
@media(max-width:768px){.cols,.two{grid-template-columns:1fr}.dropdown-content{position:static;box-shadow:none;border:0}.tool{padding-top:6.5rem}}