feat: sticky navbar and sidebar, minor fixes

(cherry picked from commit cd3c1444ab72dbab172f9135f293b29ac5eee14e)

src/components/Footer.astro

@@ -1,10 +1,12 @@
 ---
 
+import {getConfig} from "../utils/config-utils";
+
 ---
 
 <div class="card-base max-w-[var(--page-width)] min-h-[72px] rounded-b-none mx-auto flex items-center px-6">
     <div class="text-black/50 dark:text-white/50 text-sm">
-        © 2023 Author. All Rights Reserved.
+        © 2023 {getConfig().profile.author}. All Rights Reserved.
         <br>
         Powered by Vivia
     </div>

src/components/GlobalStyles.astro

@@ -54,6 +54,7 @@ rainbow-dark = linear-gradient(to right, oklch(0.70 0.10 0), oklch(0.70 0.10 30)
 
 color_set({
   --primary: oklch(0.70 0.14 var(--hue)) oklch(0.75 0.14 var(--hue))
+  --page-bg: oklch(0.95 0.01 var(--hue)) oklch(0.16 0.014 var(--hue))
   --card-bg: white oklch(0.23 0.015 var(--hue))
 
   --btn-content: oklch(0.55 0.12 var(--hue)) oklch(0.75 0.1 var(--hue))

src/components/control/BackToTop.astro

@@ -4,7 +4,7 @@ import Button from "./Button.astro";
 ---
 
 <!-- There can't be a filter on parent element, or it will break `fixed` -->
-<div class="back-to-top-wrapper" transition:persist>
+<div class="back-to-top-wrapper hidden lg:block" transition:persist>
     <div id="back-to-top-btn" class="back-to-top-btn hide flex items-center rounded-2xl overflow-hidden transition" onclick="topFunction()">
         <Button card height="60px" width="60px">
             <Icon name="material-symbols:keyboard-arrow-up-rounded" class="mx-auto"></Icon>