improved styling for movie search and added some css variables for colors

app/components/common/button-action.vue

@@ -0,0 +1,22 @@
+<script lang="ts" setup>
+defineProps<{
+  buttonText: string
+}>()
+
+const emit = defineEmits(['action'])
+</script>
+
+<template>
+  <button @click="emit('action')">{{ buttonText }}</button>
+</template>
+
+<style scoped>
+button {
+  padding: 0.5rem 1rem;
+  border-radius: 0.25rem;
+  background-color: var(--color-action-button);
+  color: var(--color-action-button-text);
+  border: none;
+  cursor: pointer;
+}
+</style>

app/components/common/card.vue

@@ -12,7 +12,7 @@
 <style scoped>
 .card {
   padding: 2rem;
-  background-color: lightgray;
+  background-color: var(--card-background);
   box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
   border-radius: 0.5rem;
 }

app/components/common/input-action.vue

@@ -5,6 +5,7 @@ defineProps<{
   placeholder: string
   buttonText: string
   inputName: string
+  inputId?: string
 }>()
 
 const emit = defineEmits(['action'])
@@ -13,7 +14,8 @@ const emit = defineEmits(['action'])
 
 <template>
   <div class="form-group">
-    <input v-model="model"
+    <input :id="inputId"
+           v-model="model"
            :name="inputName"
            :placeholder="placeholder"
            type="text">
@@ -24,8 +26,8 @@ const emit = defineEmits(['action'])
 
 <style scoped>
 button {
-  background-color: #4caf50;
-  color: white;
+  background-color: var(--color-action-button);
+  color: var(--color-action-button-text, white);
   padding: .5rem 1rem;
   border: none;
   border-radius: 0 4px 4px 0;