Add preliminay search bar

html/main.css

@@ -5,6 +5,7 @@
     --pad-datasets: 1rem;
     --pad-main: 2rem;
     --min-card-size: 60ch;
+    --corner-radius: 1rem;
     font-size: 12pt;
 }
 
@@ -25,6 +26,23 @@ header {
     margin-inline: .75rem;
 }
 
+#tool-bar {
+    display: flex;
+    flex-direction: row;
+}
+
+#search-bar {
+    background-color: var(--fg-color, darkgrey);
+    padding: .5rem 1rem;
+    width: 100%;
+}
+
+#search-entry {
+    background: none;
+    border: none;
+    color: var(--text-color);
+}
+
 .datasets {
     padding-inline: var(--pad-datasets);
     display: grid;
@@ -38,10 +56,10 @@ header {
     }
 }
 
-.dataset, #functionBar {
+.dataset {
     padding: 1rem 2rem;
     background-color: var(--fg-color, darkgrey);
-    border-radius: 1rem;
+    border-radius: var(--corner-radius);
     list-style: none;
     display: inline-flex;
     align-items: center;