--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mrjunejune/src/parts/header.html	Thu Jan 01 13:01:10 2026 -0800
@@ -0,0 +1,141 @@
+<style>
+  :root {
+    --header-background: var(--white);
+    --header-color: rgb(var(--black));
+    --link-hover-accent: var(--awesome);
+  }
+
+  /* Fixed icon in top left corner */
+  #themeToggle {
+    position: fixed;
+    top: 20px;
+    left: 20px;
+    background: var(--header-background);
+    display: flex;
+    align-items: center;
+    border-radius: 50%;
+    cursor: pointer;
+    z-index: 1000;
+    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
+    transition: transform 0.2s ease;
+  }
+
+  #themeToggle:hover {
+    transform: scale(1.05);
+  }
+
+  /* Professional header */
+  header {
+    margin: auto;
+    padding: 1.5em 1em;
+    background: var(--header-background);
+    color: var(--header-color);
+    font-family: "Atkinson", sans-serif;
+    box-shadow: 0 2px 8px rgba(var(--black), 5%);
+    width: 720px;
+    max-width: calc(100% - 2em);
+    text-align: center;
+  }
+
+  header h1 {
+    margin: 0;
+    font-size: 1.8em;
+    font-weight: 700;
+    letter-spacing: -0.5px;
+  }
+
+  header h1 a {
+    text-decoration: none;
+    color: var(--header-color);
+  }
+
+  header h1 a::before {
+    display: none;
+  }
+
+  /* Mobile responsiveness */
+  @media (max-width: 720px) {
+    #themeToggle {
+      top: 15px;
+      left: 15px;
+    }
+
+    header {
+      padding: 1em;
+    }
+
+    header h1 {
+      font-size: 1.5em;
+    }
+  }
+
+  @media (max-width: 480px) {
+    #themeToggle {
+      top: 10px;
+      left: 10px;
+    }
+
+    #themeToggle img {
+      height: 40px;
+      width: 40px;
+    }
+
+    header h1 {
+      font-size: 1.3em;
+    }
+  }
+
+  #logo {
+    width: 300px;
+  }
+
+  /* 1. DEFINE THE DEFAULTS (Light Mode) */
+  :root {
+    --logo-invert: invert(0);
+    --epi-grayscale: grayscale(0) brightness(1);
+  }
+  
+  /* 2. MANUAL DARK OVERRIDE */
+  html.dark {
+    --logo-invert: invert(1);
+    --epi-grayscale: grayscale(1);
+  }
+  
+  /* 3. MANUAL LIGHT OVERRIDE */
+  html.light-mode {
+    --logo-invert: invert(0);
+    --epi-grayscale: brightness(2.9) grayscale(1);
+  }
+  
+  /* 4. SYSTEM PREFERENCE */
+  @media (prefers-color-scheme: dark) {
+    :root:not(.light-mode) {
+      --logo-invert: invert(1);
+    }
+  }
+  
+  /* 5. APPLY TO ELEMENTS */
+  #logo {
+    -webkit-filter: var(--logo-invert);
+    filter: var(--logo-invert);
+    transition: filter 0.3s ease;
+  }
+  
+  .epi-logo {
+    -webkit-filter: var(--epi-grayscale);
+    filter: var(--epi-grayscale);
+    transition: filter 0.3s ease;
+  }
+</style>
+
+<div id="themeToggle">
+  <img id="epiChan" class="epi-logo" aria-label="Toggle dark mode" src="/public/epi_all_colors.svg" height="50" width="50">
+</div>
+
+<header>
+  <h1>
+    <a href="/"><img id="logo" src="/public/logo_white.png"> </a>
+  </h1>
+</header>
+<script src="index.js"></script>
+