body{background:#f4f6f8;margin:0;font-family:system-ui,sans-serif}.container{background:#fff;border-radius:8px;max-width:600px;margin:60px auto;padding:30px;box-shadow:0 4px 20px #0000000d}input{border:1px solid #ddd;border-radius:6px;width:100%;padding:10px}button{color:#fff;cursor:pointer;background:#2563eb;border:none;border-radius:6px;padding:10px 16px}button.secondary{background:#6b7280}button:hover{opacity:.9}.buttons{gap:10px;display:flex}.postal-inputs{align-items:center;gap:8px;display:flex}.postal-inputs input{width:100px;margin:0}.hidden{display:none}.error{color:red}.result-card{background:#fafafa;border:1px solid #eee;border-radius:6px;margin-top:10px;padding:12px}