diff --git a/packages/online-playground/public/logo-mp.png b/packages/online-playground/public/logo-mp.png
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index 0000000000..b169760827
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diff --git a/packages/online-playground/public/logo-mp.svg b/packages/online-playground/public/logo-mp.svg
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index 0000000000..afabae3799
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+<path d="M134.839 27.6403C133.77 27.6403 132.854 27.4914 132.092 27.1936C131.331 26.8957 130.733 26.488 130.298 25.9704C129.863 25.4529 129.602 24.8669 129.514 24.2126L132.905 24.0222C132.969 24.2517 133.086 24.4519 133.257 24.6228C133.433 24.7937 133.66 24.9255 133.938 25.0183C134.221 25.1111 134.553 25.1574 134.934 25.1574C135.535 25.1574 136.03 25.011 136.421 24.718C136.816 24.4299 137.014 23.9246 137.014 23.2019V21.2244H136.89C136.748 21.5711 136.533 21.8811 136.245 22.1546C135.957 22.428 135.598 22.6428 135.169 22.7991C134.744 22.9553 134.255 23.0334 133.704 23.0334C132.883 23.0334 132.131 22.843 131.448 22.4622C130.769 22.0764 130.225 21.4807 129.815 20.6751C129.409 19.8645 129.207 18.8221 129.207 17.5477C129.207 16.2342 129.417 15.1527 129.837 14.3031C130.257 13.4486 130.806 12.8163 131.485 12.4061C132.168 11.996 132.903 11.7909 133.689 11.7909C134.28 11.7909 134.785 11.8934 135.205 12.0985C135.63 12.2987 135.979 12.5575 136.253 12.8749C136.526 13.1923 136.733 13.5218 136.875 13.8636H136.978V11.9374H140.544V23.2312C140.544 24.1833 140.305 24.9866 139.827 25.6408C139.348 26.2951 138.679 26.7907 137.82 27.1276C136.961 27.4694 135.967 27.6403 134.839 27.6403ZM134.949 20.4261C135.383 20.4261 135.754 20.3113 136.062 20.0818C136.37 19.8523 136.607 19.5227 136.773 19.0931C136.939 18.6634 137.022 18.1483 137.022 17.5477C137.022 16.9373 136.939 16.4124 136.773 15.973C136.611 15.5287 136.375 15.1869 136.062 14.9476C135.754 14.7083 135.383 14.5887 134.949 14.5887C134.505 14.5887 134.129 14.7108 133.821 14.9549C133.513 15.1991 133.279 15.5433 133.118 15.9876C132.962 16.4271 132.883 16.9471 132.883 17.5477C132.883 18.1483 132.964 18.6634 133.125 19.0931C133.286 19.5227 133.518 19.8523 133.821 20.0818C134.129 20.3113 134.505 20.4261 134.949 20.4261Z" fill="white"/>
+<path d="M145.196 23.1873V8.18743H151.393C152.516 8.18743 153.485 8.40715 154.3 8.8466C155.121 9.28117 155.753 9.88907 156.197 10.6703C156.642 11.4467 156.864 12.35 156.864 13.3802C156.864 14.4154 156.637 15.3211 156.183 16.0975C155.733 16.869 155.091 17.4671 154.256 17.8919C153.421 18.3167 152.43 18.5291 151.283 18.5291H147.46V15.6727H150.609C151.156 15.6727 151.612 15.5775 151.979 15.3871C152.35 15.1966 152.63 14.9305 152.821 14.5887C153.011 14.242 153.106 13.8392 153.106 13.3802C153.106 12.9164 153.011 12.516 152.821 12.1791C152.63 11.8373 152.35 11.5736 151.979 11.3881C151.607 11.2025 151.151 11.1098 150.609 11.1098H148.822V23.1873H145.196Z" fill="#FFE56D"/>
+<path d="M158.651 23.1873V11.9374H162.232V23.1873H158.651ZM160.445 10.6264C159.942 10.6264 159.51 10.4604 159.149 10.1283C158.788 9.79141 158.607 9.38614 158.607 8.91252C158.607 8.44377 158.788 8.04339 159.149 7.71136C159.51 7.37445 159.942 7.20599 160.445 7.20599C160.953 7.20599 161.385 7.37445 161.742 7.71136C162.103 8.04339 162.284 8.44377 162.284 8.91252C162.284 9.38614 162.103 9.79141 161.742 10.1283C161.385 10.4604 160.953 10.6264 160.445 10.6264Z" fill="#FFE56D"/>
+<path d="M168.093 16.7713V23.1873H164.512V11.9374H167.918V14.0028H168.042C168.291 13.3143 168.716 12.7748 169.317 12.3842C169.917 11.9887 170.633 11.7909 171.463 11.7909C172.254 11.7909 172.94 11.9691 173.521 12.3256C174.107 12.6771 174.561 13.1703 174.883 13.805C175.21 14.4349 175.371 15.1722 175.366 16.0169V23.1873H171.785V16.72C171.79 16.0951 171.631 15.6068 171.309 15.2552C170.991 14.9037 170.55 14.7279 169.983 14.7279C169.607 14.7279 169.275 14.8109 168.987 14.9769C168.704 15.138 168.484 15.37 168.328 15.6727C168.176 15.9754 168.098 16.3416 168.093 16.7713Z" fill="#FFE56D"/>
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+<path d="M186.616 23.3777C185.898 23.3777 185.261 23.2581 184.705 23.0188C184.153 22.7747 183.716 22.4085 183.394 21.9202C183.076 21.427 182.918 20.8094 182.918 20.0672C182.918 19.4422 183.027 18.9148 183.247 18.4852C183.467 18.0555 183.77 17.7064 184.155 17.4378C184.541 17.1693 184.985 16.9666 185.488 16.8299C185.991 16.6883 186.528 16.5931 187.1 16.5443C187.739 16.4857 188.254 16.4246 188.645 16.3612C189.036 16.2928 189.319 16.1976 189.495 16.0755C189.675 15.9486 189.766 15.7703 189.766 15.5409V15.5042C189.766 15.1283 189.636 14.8377 189.377 14.6327C189.119 14.4276 188.77 14.3251 188.33 14.3251C187.856 14.3251 187.476 14.4276 187.188 14.6327C186.899 14.8377 186.716 15.1209 186.638 15.4823L183.335 15.3651C183.433 14.6815 183.684 14.0712 184.089 13.534C184.5 12.9921 185.061 12.5673 185.774 12.2596C186.492 11.9472 187.354 11.7909 188.359 11.7909C189.077 11.7909 189.739 11.8764 190.344 12.0472C190.95 12.2133 191.477 12.4574 191.926 12.7797C192.375 13.097 192.722 13.4877 192.966 13.9515C193.215 14.4154 193.34 14.9452 193.34 15.5409V23.1873H189.971V21.6199H189.883C189.683 22.0007 189.426 22.323 189.114 22.5867C188.806 22.8503 188.442 23.0481 188.022 23.1799C187.607 23.3118 187.139 23.3777 186.616 23.3777ZM187.722 21.034C188.108 21.034 188.455 20.9558 188.762 20.7996C189.075 20.6433 189.324 20.4285 189.509 20.1551C189.695 19.8767 189.788 19.5545 189.788 19.1883V18.119C189.685 18.1727 189.561 18.2215 189.414 18.2654C189.272 18.3094 189.116 18.3509 188.945 18.3899C188.774 18.429 188.599 18.4632 188.418 18.4925C188.237 18.5218 188.064 18.5486 187.898 18.5731C187.561 18.6268 187.273 18.7098 187.034 18.8221C186.799 18.9344 186.619 19.0809 186.492 19.2615C186.37 19.4373 186.309 19.6473 186.309 19.8914C186.309 20.2625 186.44 20.5457 186.704 20.741C186.973 20.9363 187.312 21.034 187.722 21.034Z" fill="#FFE56D"/>
+<defs>
+<linearGradient id="paint0_linear_584_333" x1="12.3546" y1="7.50735" x2="12.3546" y2="30.5" gradientUnits="userSpaceOnUse">
+<stop stop-color="#FFE66D"/>
+<stop offset="1" stop-color="#FFD66D"/>
+</linearGradient>
+<linearGradient id="paint1_linear_584_333" x1="18.3499" y1="8.12533" x2="4.23302" y2="9.67262" gradientUnits="userSpaceOnUse">
+<stop stop-color="#7C879C"/>
+<stop offset="1" stop-color="#626D83"/>
+</linearGradient>
+</defs>
+</svg>
diff --git a/packages/online-playground/src/App.vue b/packages/online-playground/src/App.vue
index 9ba307009b..55ca49a134 100644
--- a/packages/online-playground/src/App.vue
+++ b/packages/online-playground/src/App.vue
@@ -136,6 +136,21 @@ onMounted(() => {
 </template>
 
 <style>
+:root {
+  --c-branding: #987a00;
+  --c-branding-dark: #5ad26c;
+
+  --color-branding: var(--c-branding);
+  --color-branding-dark: var(--c-branding-dark);
+}
+
+.dark {
+  --c-branding: #ffe166;
+
+  --color-branding: var(--c-branding);
+  --color-branding-dark: var(--c-branding-dark);
+}
+
 .dark {
   color-scheme: dark;
 }
@@ -161,3 +176,10 @@ button {
   background-color: transparent;
 }
 </style>
+
+<style scoped>
+.vue-repl :deep(.split-pane) {
+  --color-branding: var(--c-branding);
+  --color-branding-dark: var(--c-branding-dark);
+}
+</style>
diff --git a/packages/online-playground/src/Header.vue b/packages/online-playground/src/Header.vue
index 6d60acaf31..317408313e 100644
--- a/packages/online-playground/src/Header.vue
+++ b/packages/online-playground/src/Header.vue
@@ -53,8 +53,10 @@ function toggleDark() {
 <template>
   <nav>
     <h1>
-      <img alt="logo" src="/logo.svg" />
-      <span>Pinia Playground</span>
+      <a href="https://masteringpinia.com" target="_blank">
+        <img alt="logo" src="/logo-mp.png" />
+        <span>Pinia Playground</span>
+      </a>
     </h1>
     <div class="links">
       <VersionSelect v-model="store.state.typescriptVersion" pkg="typescript">
@@ -88,6 +90,7 @@ function toggleDark() {
           <img src="/logo-vue.svg" alt="Vue" class="version-logo" />
         </template>
       </VersionSelect>
+
       <button
         title="Toggle development production mode"
         class="toggle-dev"
@@ -111,7 +114,7 @@ function toggleDark() {
         <Download />
       </button>
       <a
-        href="https://github.com/vuejs/core/tree/main/packages/sfc-playground"
+        href="https://github.com/vuejs/pinia/tree/main/packages/online-playground"
         target="_blank"
         title="View on GitHub"
         class="github"
@@ -163,19 +166,48 @@ h1 {
   place-items: center;
 }
 
+h1 a {
+  color: var(--color-branding);
+  text-decoration: none;
+}
+
 h1 img {
   height: 24px;
   margin-right: 10px;
+
+  animation: hithere 4s ease 5;
+  /* animation-delay: 5s; */
+}
+@keyframes hithere {
+  78% {
+    transform: scale(1);
+  }
+  79% {
+    transform: scale(1.2);
+  }
+  82%,
+  86% {
+    transform: rotate(-20deg) scale(1.2);
+  }
+  85% {
+    transform: rotate(20deg) scale(1.2);
+  }
+  91% {
+    transform: rotate(0deg) scale(1.2);
+  }
+  100% {
+    transform: scale(1);
+  }
 }
 
-@media (max-width: 560px) {
+@media (max-width: 570px) {
   h1 span {
-    font-size: 0.9em;
+    display: none;
   }
 }
 
-@media (max-width: 520px) {
-  h1 span {
+@media (max-width: 770px) {
+  btn.download {
     display: none;
   }
 }
@@ -257,7 +289,7 @@ h1 img {
 }
 
 .versions a:hover {
-  color: var(--green);
+  color: var(--color-branding);
 }
 
 .versions.expanded {
diff --git a/packages/online-playground/src/VersionSelect.vue b/packages/online-playground/src/VersionSelect.vue
index 1c5c452493..2232594c0d 100644
--- a/packages/online-playground/src/VersionSelect.vue
+++ b/packages/online-playground/src/VersionSelect.vue
@@ -111,7 +111,6 @@ onMounted(() => {
 }
 
 .active-version .number {
-  color: var(--green);
   margin-left: 4px;
 }