diff --git a/app-proto/main.css b/app-proto/main.css
index 44dc7a1..32ae5bf 100644
--- a/app-proto/main.css
+++ b/app-proto/main.css
@@ -108,7 +108,7 @@ details[open]:has(li) .elt-switch::after {
   margin: 0px 8px 0px 0px;
 }
 
-.cst > input[type=number] {
+.cst > input[type=text] {
   color: #fcfcfc;
   background-color: inherit;
   border: 1px solid #555;
diff --git a/app-proto/src/outline.rs b/app-proto/src/outline.rs
index d6b0390..62bc529 100644
--- a/app-proto/src/outline.rs
+++ b/app-proto/src/outline.rs
@@ -138,22 +138,21 @@ pub fn Outline() -> View {
                                                     input(r#type="checkbox", bind:checked=cst.active)
                                                     div(class="cst-label") { (other_arg_label) }
                                                     input(
-                                                        r#type="number",
-                                                        step="0.01",
+                                                        r#type="text",
                                                         bind:value=cst.rep_text,
                                                         on:change=move |event: Event| {
                                                             let target: HtmlInputElement = event.target().unwrap().unchecked_into();
-                                                            let rep_valid = target.check_validity() && !target.value().is_empty();
-                                                            batch(|| {
-                                                                cst.rep_valid.set(rep_valid);
-                                                                if rep_valid {
+                                                            match target.value().parse::<f64>() {
+                                                                Ok(rep) => batch(|| {
+                                                                    cst.rep.set(rep);
+                                                                    cst.rep_valid.set(true);
                                                                     console::log_2(
                                                                         &JsValue::from("Constraint rep parsed to"),
-                                                                        &JsValue::from(target.value_as_number())
+                                                                        &JsValue::from(rep)
                                                                     );
-                                                                    cst.rep.set(target.value_as_number());
-                                                                }
-                                                            });
+                                                                }),
+                                                                Err(_) => cst.rep_valid.set(false)
+                                                            };
                                                         }
                                                     )
                                                 }