From 9d7852b5c39b64b96fe1bc14a80a344a0667f0b7 Mon Sep 17 00:00:00 2001
From: Kit Langton <kit.langton@gmail.com>
Date: Mon, 2 Mar 2026 17:24:32 -0500
Subject: Animation Smorgasbord (#15637)

Co-authored-by: Adam <2363879+adamdotdevin@users.noreply.github.com>
---
 packages/app/src/components/prompt-input.tsx | 80 ++++++++++++++++++++++------
 1 file changed, 63 insertions(+), 17 deletions(-)

(limited to 'packages/app/src/components')

diff --git a/packages/app/src/components/prompt-input.tsx b/packages/app/src/components/prompt-input.tsx
index ba5a33a47..89169af0d 100644
--- a/packages/app/src/components/prompt-input.tsx
+++ b/packages/app/src/components/prompt-input.tsx
@@ -1,4 +1,5 @@
 import { useFilteredList } from "@opencode-ai/ui/hooks"
+import { useSpring } from "@opencode-ai/ui/motion-spring"
 import { createEffect, on, Component, Show, onCleanup, Switch, Match, createMemo, createSignal } from "solid-js"
 import { createStore } from "solid-js/store"
 import { createFocusSignal } from "@solid-primitives/active-element"
@@ -255,6 +256,11 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
     pendingAutoAccept: false,
   })
 
+  const buttonsSpring = useSpring(
+    () => (store.mode === "normal" ? 1 : 0),
+    { visualDuration: 0.2, bounce: 0 },
+  )
+
   const commentCount = createMemo(() => {
     if (store.mode === "shell") return 0
     return prompt.context.items().filter((item) => !!item.comment?.trim()).length
@@ -1250,10 +1256,9 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
 
             <div
               aria-hidden={store.mode !== "normal"}
-              class="flex items-center gap-1 transition-all duration-200 ease-out"
-              classList={{
-                "opacity-100 translate-y-0 scale-100 pointer-events-auto": store.mode === "normal",
-                "opacity-0 translate-y-2 scale-95 pointer-events-none": store.mode !== "normal",
+              class="flex items-center gap-1"
+              style={{
+                "pointer-events": buttonsSpring() > 0.5 ? "auto" : "none",
               }}
             >
               <TooltipKeybind
@@ -1266,6 +1271,11 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
                   type="button"
                   variant="ghost"
                   class="size-8 p-0"
+                  style={{
+                    opacity: buttonsSpring(),
+                    transform: `scale(${0.95 + buttonsSpring() * 0.05})`,
+                    filter: `blur(${(1 - buttonsSpring()) * 2}px)`,
+                  }}
                   onClick={pick}
                   disabled={store.mode !== "normal"}
                   tabIndex={store.mode === "normal" ? undefined : -1}
@@ -1303,6 +1313,11 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
                   icon={working() ? "stop" : "arrow-up"}
                   variant="primary"
                   class="size-8"
+                  style={{
+                    opacity: buttonsSpring(),
+                    transform: `scale(${0.95 + buttonsSpring() * 0.05})`,
+                    filter: `blur(${(1 - buttonsSpring()) * 2}px)`,
+                  }}
                   aria-label={working() ? language.t("prompt.action.stop") : language.t("prompt.action.send")}
                 />
               </Tooltip>
@@ -1355,14 +1370,21 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
       <Show when={store.mode === "normal" || store.mode === "shell"}>
         <DockTray attach="top">
           <div class="px-1.75 pt-5.5 pb-2 flex items-center gap-2 min-w-0">
-            <div class="flex items-center gap-1.5 min-w-0 flex-1">
-              <Show when={store.mode === "shell"}>
-                <div class="h-7 flex items-center gap-1.5 max-w-[160px] min-w-0" style={{ padding: "0 4px 0 8px" }}>
-                  <span class="truncate text-13-medium text-text-strong">{language.t("prompt.mode.shell")}</span>
-                  <div class="size-4 shrink-0" />
-                </div>
-              </Show>
-              <Show when={store.mode === "normal"}>
+            <div class="flex items-center gap-1.5 min-w-0 flex-1 relative">
+              <div
+                class="h-7 flex items-center gap-1.5 max-w-[160px] min-w-0 absolute inset-y-0 left-0"
+                style={{
+                  padding: "0 4px 0 8px",
+                  opacity: 1 - buttonsSpring(),
+                  transform: `scale(${0.95 + (1 - buttonsSpring()) * 0.05})`,
+                  filter: `blur(${buttonsSpring() * 2}px)`,
+                  "pointer-events": buttonsSpring() < 0.5 ? "auto" : "none",
+                }}
+              >
+                <span class="truncate text-13-medium text-text-strong">{language.t("prompt.mode.shell")}</span>
+                <div class="size-4 shrink-0" />
+              </div>
+              <div class="flex items-center gap-1.5 min-w-0 flex-1">
                 <TooltipKeybind
                   placement="top"
                   gutter={4}
@@ -1376,7 +1398,13 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
                     onSelect={local.agent.set}
                     class="capitalize max-w-[160px]"
                     valueClass="truncate text-13-regular"
-                    triggerStyle={{ height: "28px" }}
+                    triggerStyle={{
+                      height: "28px",
+                      opacity: buttonsSpring(),
+                      transform: `scale(${0.95 + buttonsSpring() * 0.05})`,
+                      filter: `blur(${(1 - buttonsSpring()) * 2}px)`,
+                      "pointer-events": buttonsSpring() > 0.5 ? "auto" : "none",
+                    }}
                     variant="ghost"
                   />
                 </TooltipKeybind>
@@ -1394,7 +1422,13 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
                         variant="ghost"
                         size="normal"
                         class="min-w-0 max-w-[320px] text-13-regular group"
-                        style={{ height: "28px" }}
+                        style={{
+                          height: "28px",
+                          opacity: buttonsSpring(),
+                          transform: `scale(${0.95 + buttonsSpring() * 0.05})`,
+                          filter: `blur(${(1 - buttonsSpring()) * 2}px)`,
+                          "pointer-events": buttonsSpring() > 0.5 ? "auto" : "none",
+                        }}
                         onClick={() => dialog.show(() => <DialogSelectModelUnpaid />)}
                       >
                         <Show when={local.model.current()?.provider?.id}>
@@ -1423,7 +1457,13 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
                       triggerProps={{
                         variant: "ghost",
                         size: "normal",
-                        style: { height: "28px" },
+                        style: {
+                          height: "28px",
+                          opacity: buttonsSpring(),
+                          transform: `scale(${0.95 + buttonsSpring() * 0.05})`,
+                          filter: `blur(${(1 - buttonsSpring()) * 2}px)`,
+                          "pointer-events": buttonsSpring() > 0.5 ? "auto" : "none",
+                        },
                         class: "min-w-0 max-w-[320px] text-13-regular group",
                       }}
                     >
@@ -1455,11 +1495,17 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
                     onSelect={(x) => local.model.variant.set(x === "default" ? undefined : x)}
                     class="capitalize max-w-[160px]"
                     valueClass="truncate text-13-regular"
-                    triggerStyle={{ height: "28px" }}
+                    triggerStyle={{
+                      height: "28px",
+                      opacity: buttonsSpring(),
+                      transform: `scale(${0.95 + buttonsSpring() * 0.05})`,
+                      filter: `blur(${(1 - buttonsSpring()) * 2}px)`,
+                      "pointer-events": buttonsSpring() > 0.5 ? "auto" : "none",
+                    }}
                     variant="ghost"
                   />
                 </TooltipKeybind>
-              </Show>
+              </div>
             </div>
             <div class="shrink-0">
               <RadioGroup
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