shadow depends on light/dark, media query added

css/style.css

@@ -126,9 +126,8 @@
   --radius-xl: 2rem;
   --radius-xxl: 2.5rem;
   
-  --shadow-box: 0px 2px 8px rgba(0, 0, 0, 0.4), 0px 1px 4px rgba(0, 0, 0, 0.12);
+  --shadow-light: 0px 2px 8px rgba(0, 0, 0, 0.3), 0px 1px 4px rgba(0, 0, 0, 0.2);
-  --shadow-button: inset 0px 1px 2px rgba(0, 0, 0, 0.16), inset 0px -1px 4px rgba(0, 0, 0, 0.28), var(--shadow-box);
+  --shadow-dark: 0px 2px 8px rgba(0, 0, 0, 0.5), 0px 1px 4px rgba(0, 0, 0, 0.2);
-  --shadow-button-active: inset 0px -1px 2px rgba(0, 0, 0, 0.16), inset 0px 1px 4px rgba(0, 0, 0, 0.28), var(--shadow-box);
 
   /* Semantic tokens: contextual usage */
   --color-background: light-dark(var(--color-neutral-100), var(--color-neutral-900));
@@ -158,6 +157,11 @@
   --color-text-button: var(--color-neutral-900);
   --color-text-button-active: var(--color-neutral-100);
   
+  --shadow-box: var(--shadow-light);
+  
+  --shadow-button: inset 0px 1px 2px rgba(0, 0, 0, 0.16), inset 0px -1px 4px rgba(0, 0, 0, 0.28), var(--shadow-box);
+  --shadow-button-active: inset 0px -1px 2px rgba(0, 0, 0, 0.16), inset 0px 1px 4px rgba(0, 0, 0, 0.28), var(--shadow-box);
+  
   --border: #d8d8d8;
   --overlay: rgb(12 12 12 / 0.24);
   --panel: rgb(255 255 255 / 0.76);
@@ -650,6 +654,12 @@ footer a:visited {
 /* =======================
    Media Queries for Responsive Design.
    ======================= */
+   
+@media (prefers-color-scheme: dark) {
+  :root {
+    --shadow-box: var(--shadow-dark);
+  }
+}
 
 @media screen and (max-width:768px) {
   main {