chore: move templates into right location

src/main/resources/static/main.css

@@ -0,0 +1,101 @@
+:root {
+    --bg-color: #222;
+    --fg-color: #555;
+    --text-color: #dbdbdb;
+    --pad-datasets: 1rem;
+    --pad-main: 2rem;
+    --min-card-size: 60ch;
+    --corner-radius: 1rem;
+    font-size: 12pt;
+}
+
+body {
+    background-color: var(--bg-color, black);
+    color: var(--text-color, white);
+}
+
+main {
+    max-width: calc(2 * var(--min-card-size) + var(--pad-main) + var(--pad-datasets));
+    padding-inline: var(--pad-main);
+    margin-inline: auto;
+    container-type: inline-size;
+}
+
+header {
+    text-align: center;
+    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;
+    grid-template-columns: repeat(auto-fit, minmax(var(--min-card-size), 1fr));
+    gap: 1rem;
+}
+
+@container (width < 80ch) {
+    .datasets {
+        grid-template-columns: 1fr;
+    }
+}
+
+.dataset {
+    padding: 1rem 2rem;
+    background-color: var(--fg-color, darkgrey);
+    border-radius: var(--corner-radius);
+    list-style: none;
+    display: inline-flex;
+    align-items: center;
+    justify-content: space-between;
+    box-sizing: border-box;
+}
+
+.upvote {
+    margin-left: 1rem;
+    margin-block: 1rem;
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    gap: .5em;
+}
+
+.upvote-btn, .downvote-btn {
+    background: url(triangle.svg) no-repeat;
+    background-size: contain;
+    border: none;
+    width: 2em;
+    height: 2em;
+    padding: 0;
+    overflow: hidden;
+    color: transparent;
+    cursor: pointer;
+}
+
+.downvote-btn {
+    transform: rotate(180deg);
+}
+
+:is(.upvote-btn, .downvote-btn):is(:hover, :focus-visible) {
+    filter: brightness(1.5);
+}
+
+:is(.upvote-btn, .downvote-btn):active {
+    filter: brightness(1.75);
+}