updated layout of Site Auth page a bit more

frontend/src/components/RepoSubNav.tsx

@@ -31,7 +31,8 @@ export default function RepoSubNav(props: RepoSubNavProps) {
         mb: 2,
         display: 'flex',
         alignItems: 'center',
-        gap: 1
+        gap: 1,
+        backgroundColor: 'transparent'
       }}
     >
       <Box sx={{ display: 'flex', gap: 1 }}>

frontend/src/components/SectionCard.tsx

@@ -5,7 +5,7 @@ import { ReactNode } from 'react'
 
 type SectionCardProps = {
   title: ReactNode
-  subtitle?: string
+  subtitle?: ReactNode
   actions?: ReactNode
   children: ReactNode
 }
@@ -37,11 +37,15 @@ export default function SectionCard(props: SectionCardProps) {
           {typeof props.title === 'string' ? <Typography variant="h6">{props.title}</Typography> : props.title}
           {props.actions ? <Box sx={{ display: 'flex', alignItems: 'center', gap: 1 }}>{props.actions}</Box> : null}
         </Box>
-        {props.subtitle ? (
-          <Typography variant="body2" color="text.secondary">
-            {props.subtitle}
-          </Typography>
-        ) : null}
+        {props.subtitle
+          ? typeof props.subtitle === 'string'
+            ? (
+              <Typography variant="body2" color="text.secondary">
+                {props.subtitle}
+              </Typography>
+            )
+            : props.subtitle
+          : null}
       </Box>
       <Box sx={{ display: 'grid', gap: 1, px: 2, pt: 1.25, pb: 2 }}>
         {props.children}

frontend/src/pages/AdminAuthLdapPage.tsx

@@ -1,7 +1,10 @@
 import Alert from '@mui/material/Alert'
-import { Box, Button, Checkbox, FormControlLabel, MenuItem, Paper, TextField, Typography } from '@mui/material'
+import { Box, Button, Checkbox, FormControlLabel, MenuItem, TextField, Typography } from '@mui/material'
+import CheckCircleOutlineIcon from '@mui/icons-material/CheckCircleOutline'
+import ErrorOutlineIcon from '@mui/icons-material/ErrorOutline'
 import { useEffect, useRef, useState } from 'react'
 import { api, AuthSettings } from '../api'
+import SectionCard from '../components/SectionCard'
 
 export default function AdminAuthLdapPage() {
   const [settings, setSettings] = useState<AuthSettings>({
@@ -27,6 +30,7 @@ export default function AdminAuthLdapPage() {
   const [testing, setTesting] = useState(false)
   const [error, setError] = useState<string | null>(null)
   const [saved, setSaved] = useState(false)
+  const [testError, setTestError] = useState<string | null>(null)
   const [testResult, setTestResult] = useState<string | null>(null)
   const [testUsername, setTestUsername] = useState('')
   const [testPassword, setTestPassword] = useState('')
@@ -71,7 +75,7 @@ export default function AdminAuthLdapPage() {
     controller = new AbortController()
     testControllerRef.current = controller
     setTesting(true)
-    setError(null)
+    setTestError(null)
     setTestResult(null)
     try {
       const result = await api.testAuthSettings(
@@ -89,7 +93,7 @@ export default function AdminAuthLdapPage() {
         return
       }
       const message = err instanceof Error ? err.message : 'LDAP test failed'
-      setError(message)
+      setTestError(message)
     } finally {
       setTesting(false)
       testControllerRef.current = null
@@ -104,21 +108,43 @@ export default function AdminAuthLdapPage() {
     }
   }, [])
 
+  const testSubtitle = testError ? (
+    <Box sx={{ display: 'flex', alignItems: 'center', gap: 0.75, color: 'error.main' }}>
+      <ErrorOutlineIcon fontSize="small" />
+      <Typography variant="body2" color="inherit">
+        {testError}
+      </Typography>
+    </Box>
+  ) : testResult ? (
+    <Box sx={{ display: 'flex', alignItems: 'center', gap: 0.75, color: 'success.main' }}>
+      <CheckCircleOutlineIcon fontSize="small" />
+      <Typography variant="body2" color="inherit">
+        {testResult}
+      </Typography>
+    </Box>
+  ) : 'Optional user bind'
+
   return (
-    <Box>
-      <Typography variant="h5" sx={{ mb: 2 }}>
+    <Box sx={{ display: 'grid', gap: 1, minWidth: 0 }}>
+      <Typography variant="h5">
         Admin: Site Authentication
       </Typography>
-      <Paper sx={{ p: 2, maxWidth: 820 }}>
-        {loading ? (
-          <Typography variant="body2" color="text.secondary" sx={{ mb: 1 }}>
-            Loading...
-          </Typography>
-        ) : null}
-        {error ? <Alert severity="error" sx={{ mb: 1 }}>{error}</Alert> : null}
-        {saved ? <Alert severity="success" sx={{ mb: 1 }}>Saved.</Alert> : null}
-        {testResult ? <Alert severity="success" sx={{ mb: 1 }}>{testResult}</Alert> : null}
-        <Box sx={{ display: 'grid', gap: 1 }}>
+      {loading ? (
+        <Typography variant="body2" color="text.secondary">
+          Loading...
+        </Typography>
+      ) : null}
+      {error ? <Alert severity="error">{error}</Alert> : null}
+      {saved ? <Alert severity="success">Saved.</Alert> : null}
+      <Box sx={{ display: 'grid', gap: 1, width: '100%', minWidth: 0 }}>
+        <SectionCard
+          title="General"
+          actions={
+            <Button variant="contained" onClick={handleSave} disabled={saving || loading}>
+              {saving ? 'Saving...' : 'Save'}
+            </Button>
+          }
+        >
           <TextField
             select
             label="Auth Mode"
@@ -129,9 +155,18 @@ export default function AdminAuthLdapPage() {
             <MenuItem value="ldap">ldap</MenuItem>
             <MenuItem value="hybrid">hybrid</MenuItem>
           </TextField>
-          <Typography variant="subtitle2" sx={{ mt: 1 }}>
-            OIDC
-          </Typography>
+        </SectionCard>
+        <Box
+          sx={{
+            display: 'grid',
+            gap: 1,
+            width: '100%',
+            minWidth: 0,
+            gridTemplateColumns: { xs: '1fr', lg: 'minmax(0, 1fr) minmax(0, 1fr)' },
+            alignItems: 'start'
+          }}
+        >
+          <SectionCard title="OIDC">
           <FormControlLabel
             control={<Checkbox checked={settings.oidc_enabled} onChange={(event) => setSettings((prev) => ({ ...prev, oidc_enabled: event.target.checked }))} />}
             label="Enable OIDC login"
@@ -173,9 +208,8 @@ export default function AdminAuthLdapPage() {
             control={<Checkbox checked={settings.oidc_tls_insecure_skip_verify} onChange={(event) => setSettings((prev) => ({ ...prev, oidc_tls_insecure_skip_verify: event.target.checked }))} />}
             label="OIDC TLS insecure skip verify (testing/self-signed only)"
           />
-          <Typography variant="subtitle2" sx={{ mt: 1 }}>
-            LDAP
-          </Typography>
+          </SectionCard>
+          <SectionCard title="LDAP">
           <TextField label="LDAP URL" value={settings.ldap_url} onChange={(event) => setSettings((prev) => ({ ...prev, ldap_url: event.target.value }))} />
           <TextField label="Bind DN" value={settings.ldap_bind_dn} onChange={(event) => setSettings((prev) => ({ ...prev, ldap_bind_dn: event.target.value }))} />
           <TextField
@@ -199,21 +233,21 @@ export default function AdminAuthLdapPage() {
             control={<Checkbox checked={settings.ldap_tls_insecure_skip_verify} onChange={(event) => setSettings((prev) => ({ ...prev, ldap_tls_insecure_skip_verify: event.target.checked }))} />}
             label="TLS insecure skip verify (testing/self-signed only)"
           />
-          <Typography variant="subtitle2" sx={{ mt: 1 }}>
-            Test (optional user bind)
-          </Typography>
-          <TextField label="Test Username" value={testUsername} onChange={(event) => setTestUsername(event.target.value)} />
-          <TextField label="Test Password" type="password" value={testPassword} onChange={(event) => setTestPassword(event.target.value)} />
-          <Box sx={{ display: 'flex', justifyContent: 'space-between', mt: 1 }}>
-            <Button variant="outlined" onClick={handleTest} color={testing ? 'warning' : 'primary'}>
+          </SectionCard>
+        </Box>
+        <SectionCard
+          title="Test LDAP"
+          subtitle={testSubtitle}
+          actions={
+            <Button variant="outlined" onClick={handleTest} color={testing ? 'warning' : 'primary'} disabled={loading}>
               {testing ? 'Cancel Test' : 'Test Connection'}
             </Button>
-            <Button variant="contained" onClick={handleSave} disabled={saving}>
-              {saving ? 'Saving...' : 'Save'}
-            </Button>
-          </Box>
-        </Box>
-      </Paper>
+          }
+        >
+          <TextField label="Test Username" value={testUsername} onChange={(event) => setTestUsername(event.target.value)} />
+          <TextField label="Test Password" type="password" value={testPassword} onChange={(event) => setTestPassword(event.target.value)} />
+        </SectionCard>
+      </Box>
     </Box>
   )
 }

frontend/src/pages/BranchesPage.tsx

@@ -229,7 +229,7 @@ export default function BranchesPage() {
           {loadError}
         </Typography>
       ) : null}
-      <Paper sx={{ p: 2 }}>
+      <Paper sx={{ p: 2, backgroundColor: 'transparent' }}>
         <Box sx={{ display: 'flex', gap: 1, mb: 2 }}>
           <TextField
             size="small"

frontend/src/pages/CommitsPage.tsx

@@ -135,7 +135,7 @@ export default function CommitsPage() {
           {loadError}
         </Typography>
       ) : null}
-      <Paper sx={{ p: 2, mb: 1 }}>
+      <Paper sx={{ p: 2, mb: 1, backgroundColor: 'transparent' }}>
         <Box sx={{ display: 'flex', gap: 2, flexWrap: 'wrap', alignItems: 'center' }}>
           <Box sx={{ minWidth: 220, flex: '0 0 auto', display: 'flex', alignItems: 'center', gap: 1 }}>
             <Typography variant="subtitle2">Branch</Typography>
@@ -195,7 +195,7 @@ export default function CommitsPage() {
           </Button>
         </Box>
       </Paper>
-      <Paper sx={{ p: 2 }}>
+      <Paper sx={{ p: 2, backgroundColor: 'transparent' }}>
         <Typography variant="subtitle1" gutterBottom>
           Compare Branches
         </Typography>

frontend/src/pages/RepoGitDetailPage.tsx

@@ -577,7 +577,7 @@ export default function RepoGitDetailPage(props: RepoGitDetailPageProps) {
         </Typography>
       ) : null}
       <Box sx={{ display: 'flex', alignItems: 'stretch', gap: 1, mb: 1 }}>
-        <Paper sx={{ p: 1, display: 'flex', alignItems: 'center', gap: 1, minWidth: 240 }}>
+        <Paper sx={{ p: 1, display: 'flex', alignItems: 'center', gap: 1, minWidth: 240, backgroundColor: 'transparent' }}>
           <Typography variant="subtitle2" color="text.secondary">
             Branch
           </Typography>
@@ -670,7 +670,13 @@ export default function RepoGitDetailPage(props: RepoGitDetailPageProps) {
       </Box>
       <Divider sx={{ mb: 1 }} />
       <Box sx={{ display: 'grid', gridTemplateColumns: `${sidebarOpen ? '280px' : '44px'} minmax(0, 1fr)`, gap: 1 }}>
-        <Paper sx={{ p: 2 }}>
+        <Paper
+          sx={{
+            p: 2,
+            backgroundColor: (theme) =>
+              theme.palette.mode === 'dark' ? 'rgba(255,255,255,0.02)' : 'rgba(0,0,0,0.015)'
+          }}
+        >
           {sidebarOpen ? (
             <>
               <Box sx={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between', mb: 1 }}>
@@ -779,7 +785,13 @@ export default function RepoGitDetailPage(props: RepoGitDetailPageProps) {
             </Box>
           )}
         </Paper>
-        <Paper sx={{ p: 2 }}>
+        <Paper
+          sx={{
+            p: 2,
+            backgroundColor: (theme) =>
+              theme.palette.mode === 'dark' ? 'rgba(255,255,255,0.02)' : 'rgba(0,0,0,0.015)'
+          }}
+        >
           {selectedFile ? (
             <Box sx={{ mt: 0 }}>
               <Box sx={{ display: 'flex', alignItems: 'center', gap: 2 }}>
@@ -879,7 +891,7 @@ export default function RepoGitDetailPage(props: RepoGitDetailPageProps) {
               </Box>
               {previewTab === 'content' ? (
                 isImageFileSelected ? (
-                  <Paper variant="outlined" sx={{ p: 1, mt: 1 }}>
+                  <Paper variant="outlined" sx={{ p: 1, mt: 1, backgroundColor: 'transparent' }}>
                     <Box
                       component="img"
                       src={buildBlobRawUrl(selectedFile, imagePreviewRef || ref)}
@@ -888,7 +900,7 @@ export default function RepoGitDetailPage(props: RepoGitDetailPageProps) {
                     />
                   </Paper>
                 ) : (
-                  <Paper variant="outlined" sx={{ p: 1, pr: 0.5, mt: 1 }}>
+                  <Paper variant="outlined" sx={{ p: 1, pr: 0.5, mt: 1, backgroundColor: 'transparent' }}>
                     <CodeBlock code={content} language={detectLanguage(selectedFile)} showLineNumbers />
                   </Paper>
                 )
@@ -928,7 +940,7 @@ export default function RepoGitDetailPage(props: RepoGitDetailPageProps) {
               ) : null}
               {previewTab === 'diff' ? (
                 diff ? (
-                  <Paper variant="outlined" sx={{ p: 1, pr: 0.5, mt: 1 }}>
+                  <Paper variant="outlined" sx={{ p: 1, pr: 0.5, mt: 1, backgroundColor: 'transparent' }}>
                     <CodeBlock code={diff} language="diff" />
                   </Paper>
                 ) : (
@@ -940,7 +952,7 @@ export default function RepoGitDetailPage(props: RepoGitDetailPageProps) {
             </Box>
           ) : readmeContent ? (
             readmeKind === 'markdown' ? (
-              <Paper variant="outlined" sx={{ p: 1, mt: 1 }}>
+              <Paper variant="outlined" sx={{ p: 1, mt: 1, backgroundColor: 'transparent' }}>
                 <Box>
                   <ReactMarkdown
                     remarkPlugins={[remarkGfm]}
@@ -988,7 +1000,7 @@ export default function RepoGitDetailPage(props: RepoGitDetailPageProps) {
                 </Box>
               </Paper>
             ) : (
-              <Paper variant="outlined" sx={{ p: 1, mt: 1 }}>
+              <Paper variant="outlined" sx={{ p: 1, mt: 1, backgroundColor: 'transparent' }}>
                 <CodeBlock code={readmeContent} language="text" showLineNumbers />
               </Paper>
             )

frontend/src/pages/RepoRpmDetailPage.tsx

@@ -818,7 +818,13 @@ export default function RepoRpmDetailPage(props: RepoRpmDetailPageProps) {
         </Typography>
       ) : null}
       <Box sx={{ display: 'grid', gridTemplateColumns: `${sidebarOpen ? '280px' : '44px'} minmax(0, 1fr)`, gap: 1, mb: 1 }}>
-        <Paper sx={{ p: 2 }}>
+        <Paper
+          sx={{
+            p: 2,
+            backgroundColor: (theme) =>
+              theme.palette.mode === 'dark' ? 'rgba(255,255,255,0.02)' : 'rgba(0,0,0,0.015)'
+          }}
+        >
           {sidebarOpen ? (
             <>
               <Box sx={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between', mb: 1 }}>
@@ -1044,7 +1050,13 @@ export default function RepoRpmDetailPage(props: RepoRpmDetailPageProps) {
             </Box>
           )}
         </Paper>
-        <Paper sx={{ p: 2 }}>
+        <Paper
+          sx={{
+            p: 2,
+            backgroundColor: (theme) =>
+              theme.palette.mode === 'dark' ? 'rgba(255,255,255,0.02)' : 'rgba(0,0,0,0.015)'
+          }}
+        >
           {rpmSelected && rpmSelectedEntry && rpmSelectedEntry.name.toLowerCase().endsWith('.rpm') ? (
             <>
               <Box sx={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between' }}>