Eyecandy on admin page and fix of functionality on that page

frontend/static/style.css

@@ -451,6 +451,108 @@ main.container {
   margin-bottom: 0;
 }
 
+#admin-controls {
+  display: grid;
+  gap: 16px;
+}
+
+.settings-panel + .settings-panel {
+  margin-top: 16px;
+}
+
+.settings-panel h2 {
+  margin: 0 0 12px;
+  padding: 10px 14px;
+  border-radius: 8px;
+  cursor: pointer;
+  transition: background-color 0.2s ease, margin 0.2s ease;
+}
+
+.settings-panel h2:hover {
+  filter: brightness(1.08);
+}
+
+.settings-panel:nth-of-type(5n+1) h2 {
+  color: var(--mauve);
+  background: var(--surface-1);
+  background: color-mix(in srgb, var(--mauve) 14%, transparent);
+  border-left: 4px solid var(--mauve);
+}
+
+.settings-panel:nth-of-type(5n+2) h2 {
+  color: var(--teal);
+  background: var(--surface-1);
+  background: color-mix(in srgb, var(--teal) 14%, transparent);
+  border-left: 4px solid var(--teal);
+}
+
+.settings-panel:nth-of-type(5n+3) h2 {
+  color: var(--peach);
+  background: var(--surface-1);
+  background: color-mix(in srgb, var(--peach) 14%, transparent);
+  border-left: 4px solid var(--peach);
+}
+
+.settings-panel:nth-of-type(5n+4) h2 {
+  color: var(--blue);
+  background: var(--surface-1);
+  background: color-mix(in srgb, var(--blue) 14%, transparent);
+  border-left: 4px solid var(--blue);
+}
+
+.settings-panel:nth-of-type(5n+5) h2 {
+  color: var(--lavender);
+  background: var(--surface-1);
+  background: color-mix(in srgb, var(--lavender) 14%, transparent);
+  border-left: 4px solid var(--lavender);
+}
+
+.settings-panel.minimized h2 {
+  margin: 0;
+}
+
+.panel-toggle-btn {
+  display: flex !important;
+  align-items: center !important;
+  justify-content: space-between !important;
+  width: 100% !important;
+  min-width: 0 !important;
+  padding: 0 !important;
+  border: none !important;
+  background: transparent !important;
+  color: inherit !important;
+  font: inherit !important;
+  font-size: 1rem !important;
+  font-weight: inherit !important;
+  cursor: pointer !important;
+  text-align: left !important;
+  box-shadow: none !important;
+}
+
+.panel-toggle-btn > * {
+  pointer-events: none;
+}
+
+.panel-toggle-btn:focus-visible {
+  outline: 2px solid var(--lavender) !important;
+  outline-offset: 2px !important;
+}
+
+.panel-toggle-icon {
+  font-size: 0.75rem;
+  transition: transform 0.2s ease;
+  margin-left: 8px;
+  color: var(--subtext);
+}
+
+.settings-panel.minimized .panel-toggle-icon {
+  transform: rotate(-90deg);
+}
+
+.settings-panel.minimized > *:not(h2) {
+  display: none !important;
+}
+
 .toolbar label,
 .settings-panel label {
   display: grid;