added sidebar for ergonomics and error display of the configuration

wwcompanion-extension/settings.css

@@ -42,6 +42,77 @@ body {
   background: var(--bg);
 }
 
+.settings-layout {
+  display: flex;
+  gap: 16px;
+}
+
+.toc {
+  flex: 0 0 160px;
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+  align-self: flex-start;
+  position: sticky;
+  top: 16px;
+  padding: 12px;
+  border-radius: 12px;
+  border: 1px solid var(--border);
+  background: var(--panel);
+  box-shadow: var(--panel-shadow);
+}
+
+.toc-title {
+  font-size: 11px;
+  text-transform: uppercase;
+  letter-spacing: 0.8px;
+  color: var(--muted);
+}
+
+.toc-heading {
+  font-size: 16px;
+  font-weight: 700;
+  color: var(--ink);
+}
+
+.toc-links {
+  display: grid;
+  gap: 8px;
+}
+
+.toc a {
+  color: var(--ink);
+  text-decoration: none;
+  font-size: 12px;
+  padding: 4px 6px;
+  border-radius: 8px;
+}
+
+.toc a:hover {
+  background: var(--card-bg);
+}
+
+.sidebar-errors {
+  margin-top: auto;
+  border-radius: 10px;
+  border: 1px solid #c0392b;
+  background: rgba(192, 57, 43, 0.08);
+  color: #c0392b;
+  font-size: 11px;
+  padding: 8px;
+  white-space: pre-line;
+}
+
+.hidden {
+  display: none;
+}
+
+.settings-main {
+  flex: 1;
+  display: grid;
+  gap: 14px;
+}
+
 .title-block {
   margin-bottom: 16px;
 }
@@ -69,7 +140,6 @@ body {
   border: 1px solid var(--border);
   border-radius: 16px;
   padding: 16px;
-  margin-bottom: 16px;
   box-shadow: var(--panel-shadow);
 }
 
@@ -288,7 +358,15 @@ button:active {
 .api-config-actions {
   display: flex;
   gap: 8px;
-  justify-content: flex-end;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.api-config-actions-left,
+.api-config-actions-right {
+  display: flex;
+  gap: 8px;
+  flex-wrap: wrap;
 }
 
 .env-configs {
@@ -311,6 +389,32 @@ button:active {
   justify-content: flex-end;
 }
 
+.profiles {
+  display: grid;
+  gap: 12px;
+}
+
+.profile-card {
+  padding: 12px;
+  border-radius: 12px;
+  border: 1px solid var(--border);
+  background: var(--card-bg);
+  display: grid;
+  gap: 8px;
+}
+
+.profile-actions {
+  display: flex;
+  gap: 8px;
+  justify-content: flex-end;
+}
+
+.profile-actions .delete {
+  background: #c0392b;
+  border-color: #c0392b;
+  color: #fff6f2;
+}
+
 @media (prefers-color-scheme: dark) {
   :root:not([data-theme]),
   :root[data-theme="system"] {
@@ -333,3 +437,14 @@ button:active {
   gap: 6px;
   justify-content: flex-end;
 }
+
+@media (max-width: 720px) {
+  .settings-layout {
+    flex-direction: column;
+  }
+
+  .toc {
+    width: 100%;
+    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
+  }
+}