Revert "dashboard: 3-column layout — swarm / 0per4t0r 1n / m3ss4g3s"

This reverts commit 74ba8a63e1.

hive-c0re/assets/dashboard.css

@@ -18,50 +18,11 @@ body {
   background: var(--bg);
   color: var(--fg);
   font-family: "JetBrains Mono", "Fira Code", "Cascadia Code", "Source Code Pro", monospace;
-  max-width: 110em;
+  max-width: 70em;
   margin: 1.5em auto;
   padding: 0 1.5em;
   line-height: 1.6;
 }
-.columns {
-  display: grid;
-  gap: 1.4em;
-  margin-top: 1em;
-}
-@media (min-width: 1400px) {
-  .columns {
-    grid-template-columns: 1.1fr 1fr 1fr;
-    align-items: start;
-  }
-}
-.dash-col {
-  min-width: 0; /* lets grid children shrink instead of overflowing */
-}
-.col-head {
-  position: sticky;
-  top: 0;
-  z-index: 5;
-  background: rgba(30, 30, 46, 0.92);
-  -webkit-backdrop-filter: blur(6px);
-  backdrop-filter: blur(6px);
-  margin: 0 0 0.6em;
-  padding: 0.3em 0.5em;
-  font-size: 1em;
-  border-bottom: 1px solid var(--purple-dim);
-}
-.sub-head {
-  color: var(--cyan);
-  font-size: 0.85em;
-  letter-spacing: 0.12em;
-  text-transform: uppercase;
-  margin: 1.6em 0 0.4em;
-  padding-bottom: 0.15em;
-  border-bottom: 1px dashed var(--border, var(--purple-dim));
-  text-shadow: 0 0 6px rgba(137, 220, 235, 0.35);
-}
-.dash-col .sub-head:first-of-type {
-  margin-top: 0.4em;
-}
 .banner {
   text-align: center;
   margin: 0 0 1em 0;
@@ -91,7 +52,7 @@ h1, h2 {
   color: var(--purple);
   text-transform: uppercase;
   letter-spacing: 0.15em;
-  margin-top: 1em;
+  margin-top: 2em;
   text-shadow: 0 0 8px rgba(203, 166, 247, 0.4);
 }
 .divider {