Add gitea content searching and fix lots of things

assets/global.css

@@ -71,7 +71,7 @@
     --footer-display: block;
 }
 
-html {
+:root {
     /* Tooltips */
     --tooltip-display: none;
     /* Popovers */
@@ -81,7 +81,7 @@ html {
 /* Obsidian Publish mobile variables */
 /* --------------------------------- */
 @media screen and (max-width: 750px) {
-    html {
+    :root {
         --popover-display: none;
         --input-height: 36px;
     }
@@ -99,7 +99,7 @@ html {
 
 /* Obsidian theme variables */
 /* ------------------------ */
-html {
+:root {
     /* Animations */
     --anim-duration-none: 0;
     --anim-duration-superfast: 70ms;
@@ -487,7 +487,7 @@ html {
     /* Popovers - file previews */
     --popover-width: 450px;
     --popover-height: 400px;
-    --popover-max-height: 70vh;
+    --popover-max-height: 50vh;
     --popover-pdf-width: 600px;
     --popover-pdf-height: 800px;
     --popover-font-size: var(--font-text-size);
@@ -2825,12 +2825,18 @@ body:not(.native-scrollbars) * {
     max-height: var(--popover-max-height);
 }
 
-.popover.hover-popover>.markdown-embed {
-    height: var(--popover-height);
-    max-height: var(--popover-max-height);
+.popover.hover-popover>.markdown-embed, .popover.hover-popover>.canvas-embed {
+    min-height: 150px;
+    height: 100%;
+    max-height: min(var(--popover-height), var(--popover-max-height));
     border: 0;
     padding: 0;
     margin: 0;
+    overflow: auto;
+}
+
+.popover.hover-popover>.canvas-embed {
+    min-height: 350px;
 }
 
 .popover.hover-popover>.markdown-embed>.markdown-embed-content {