Revamp Dashboard UI and enhance target display.

Refactored the dashboard page to improve layout and clarity, including updated KPIs with better alert and status representation. Redesigned the target list to a card-based layout with clear status indicators and actionable buttons. Updated styles for consistency and better user experience.

frontend/src/pages/DashboardPage.jsx

@@ -29,45 +29,55 @@ export function DashboardPage() {
   if (loading) return <div className="card">Loading dashboard...</div>;
   if (error) return <div className="card error">{error}</div>;
 
+  const alerts = targets.filter((t) => !t.host || !t.dbname).length;
+  const okCount = Math.max(0, targets.length - alerts);
+
   return (
-    <div>
+    <div className="dashboard-page">
       <h2>Dashboard Overview</h2>
-      <div className="grid three">
-        <div className="card stat">
+      <div className="grid three dashboard-kpis">
+        <div className="card stat kpi-card">
           <strong>{targets.length}</strong>
-          <span>Targets</span>
+          <span>Total Targets</span>
         </div>
-        <div className="card stat">
-          <strong>{targets.length}</strong>
-          <span>Status OK (placeholder)</span>
+        <div className="card stat kpi-card ok">
+          <strong>{okCount}</strong>
+          <span>Status OK</span>
         </div>
-        <div className="card stat">
-          <strong>0</strong>
-          <span>Alerts (placeholder)</span>
+        <div className="card stat kpi-card alert">
+          <strong>{alerts}</strong>
+          <span>Alerts</span>
         </div>
       </div>
+
       <div className="card">
-        <h3>Targets</h3>
-        <table>
-          <thead>
-            <tr>
-              <th>Name</th>
-              <th>Host</th>
-              <th>DB</th>
-              <th>Action</th>
-            </tr>
-          </thead>
-          <tbody>
-            {targets.map((t) => (
-              <tr key={t.id}>
-                <td>{t.name}</td>
-                <td>{t.host}:{t.port}</td>
-                <td>{t.dbname}</td>
-                <td><Link to={`/targets/${t.id}`}>Details</Link></td>
-              </tr>
-            ))}
-          </tbody>
-        </table>
+        <div className="dashboard-targets-head">
+          <h3>Targets</h3>
+          <span>{targets.length} registered</span>
+        </div>
+
+        <div className="dashboard-target-list">
+          {targets.map((t) => {
+            const hasAlert = !t.host || !t.dbname;
+            return (
+              <article className="dashboard-target-card" key={t.id}>
+                <div className="target-main">
+                  <div className="target-title-row">
+                    <h4>{t.name}</h4>
+                    <span className={`status-chip ${hasAlert ? "alert" : "ok"}`}>
+                      {hasAlert ? "Alert" : "OK"}
+                    </span>
+                  </div>
+                  <p><strong>Host:</strong> {t.host}:{t.port}</p>
+                  <p><strong>DB:</strong> {t.dbname}</p>
+                </div>
+                <div className="target-actions">
+                  <Link className="details-btn" to={`/targets/${t.id}`}>Details</Link>
+                </div>
+              </article>
+            );
+          })}
+        </div>
       </div>
     </div>
   );

frontend/src/pages/TargetsPage.jsx

@@ -137,7 +137,7 @@ export function TargetsPage() {
               </small>
             </div>
             <div className="field submit-field">
-              <div className="target-actions">
+              <div className="form-actions">
                 <button type="button" className="secondary-btn" onClick={testConnection} disabled={testState.loading}>
                   {testState.loading ? "Testing..." : "Test connection"}
                 </button>

frontend/src/styles.css

@@ -253,6 +253,102 @@ button {
   color: #bfd0ea;
 }
 
+.dashboard-kpis .kpi-card {
+  border-left: 4px solid #2f7eca;
+}
+
+.dashboard-kpis .kpi-card.ok {
+  border-left-color: #2fa86f;
+}
+
+.dashboard-kpis .kpi-card.alert {
+  border-left-color: #d47a2a;
+}
+
+.dashboard-targets-head {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: 12px;
+}
+
+.dashboard-targets-head h3 {
+  margin: 0;
+}
+
+.dashboard-targets-head span {
+  color: #9eb8d6;
+  font-size: 13px;
+}
+
+.dashboard-target-list {
+  display: grid;
+  gap: 12px;
+}
+
+.dashboard-target-card {
+  display: grid;
+  grid-template-columns: 1fr auto;
+  gap: 12px;
+  align-items: center;
+  border: 1px solid #2b5b8f;
+  border-radius: 12px;
+  padding: 14px;
+  background: linear-gradient(180deg, #132c58, #102549);
+}
+
+.target-main h4 {
+  margin: 0;
+  font-size: 20px;
+  font-weight: 800;
+}
+
+.target-main p {
+  margin: 5px 0 0 0;
+  color: #d5e7ff;
+}
+
+.target-title-row {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+}
+
+.status-chip {
+  display: inline-block;
+  padding: 4px 10px;
+  border-radius: 999px;
+  font-size: 11px;
+  font-weight: 700;
+  border: 1px solid transparent;
+}
+
+.status-chip.ok {
+  color: #bbf7d0;
+  background: #123827;
+  border-color: #2f8f63;
+}
+
+.status-chip.alert {
+  color: #fde68a;
+  background: #3a2c12;
+  border-color: #9b7b2f;
+}
+
+.details-btn {
+  display: inline-block;
+  padding: 8px 14px;
+  border-radius: 10px;
+  font-weight: 700;
+  border: 1px solid #2d9adb;
+  background: linear-gradient(180deg, #1c6aab, #17568c);
+  color: #eaf5ff;
+}
+
+.details-btn:hover {
+  border-color: #6ed2ff;
+}
+
 .query-insights-page .query-toolbar {
   display: grid;
   grid-template-columns: minmax(220px, 320px) minmax(320px, 1fr);
@@ -448,7 +544,7 @@ button {
   align-self: end;
 }
 
-.target-actions {
+.form-actions {
   display: flex;
   justify-content: flex-end;
   gap: 8px;