diff --git a/tutorials/device-dashboard/full-dashboard/web_root/index.html b/tutorials/device-dashboard/full-dashboard/web_root/index.html
index 18ececa5..5405fb88 100644
--- a/tutorials/device-dashboard/full-dashboard/web_root/index.html
+++ b/tutorials/device-dashboard/full-dashboard/web_root/index.html
@@ -85,50 +85,38 @@
     </div>
     <main class="tab-stage">
       <section id="overview" class="tab-panel tab-panel-active" role="tabpanel" aria-labelledby="tab-overview">
-        <div class="overview-grid" aria-label="Electrical overview">
+        <div class="overview-grid" aria-label="Device metrics overview">
           <article class="metric-tile">
-            <div class="metric-tile-top">
-              <div class="metric-label">VOLTAGE</div>
-              <span class="metric-chip">
-                <svg viewBox="0 0 24 24" class="metric-icon" fill="none" stroke="currentColor" stroke-width="2" aria-hidden="true">
-                  <path d="M13 2 6 14h5l-1 8 7-12h-5z" />
-                </svg>
-              </span>
-            </div>
+            <div class="metric-label">Temperature</div>
             <div class="metric-value">
-              <span class="metric-number">12.5</span>
-              <span class="metric-unit">V</span>
+              <span class="metric-number">24.8</span>
+              <span class="metric-unit">°C</span>
             </div>
+            <div class="metric-status metric-status-good">Stable — within target range</div>
           </article>
           <article class="metric-tile">
-            <div class="metric-tile-top">
-              <div class="metric-label">CURRENT</div>
-              <span class="metric-chip">
-                <svg viewBox="0 0 24 24" class="metric-icon" fill="none" stroke="currentColor" stroke-width="2" aria-hidden="true">
-                  <path d="M4 12h4l2-6 4 12 2-6h4" />
-                </svg>
-              </span>
-            </div>
+            <div class="metric-label">Humidity</div>
             <div class="metric-value">
-              <span class="metric-number">4.2</span>
-              <span class="metric-unit">A</span>
+              <span class="metric-number">51</span>
+              <span class="metric-unit">%</span>
             </div>
+            <div class="metric-status metric-status-good">+2% in the last hour</div>
           </article>
           <article class="metric-tile">
-            <div class="metric-tile-top">
-              <div class="metric-label">POWER</div>
-              <span class="metric-chip">
-                <svg viewBox="0 0 24 24" class="metric-icon" fill="none" stroke="currentColor" stroke-width="2" aria-hidden="true">
-                  <path d="M12 3v8" />
-                  <path d="M7 8h10" />
-                  <rect x="5" y="11" width="14" height="8" rx="2" />
-                </svg>
-              </span>
-            </div>
+            <div class="metric-label">CPU Load</div>
             <div class="metric-value">
-              <span class="metric-number">52.5</span>
-              <span class="metric-unit">W</span>
+              <span class="metric-number">37</span>
+              <span class="metric-unit">%</span>
             </div>
+            <div class="metric-status metric-status-warn">Moderate load</div>
+          </article>
+          <article class="metric-tile">
+            <div class="metric-label">Free Memory</div>
+            <div class="metric-value">
+              <span class="metric-number">182</span>
+              <span class="metric-unit">KB</span>
+            </div>
+            <div class="metric-status metric-status-good">Healthy headroom</div>
           </article>
         </div>
       </section>
diff --git a/tutorials/device-dashboard/full-dashboard/web_root/style.css b/tutorials/device-dashboard/full-dashboard/web_root/style.css
index 9d41584c..899156b0 100644
--- a/tutorials/device-dashboard/full-dashboard/web_root/style.css
+++ b/tutorials/device-dashboard/full-dashboard/web_root/style.css
@@ -149,57 +149,37 @@ body {
 }
 
 .overview-grid {
-  display: flex;
-  flex-wrap: wrap;
-  align-items: flex-start;
-  justify-content: flex-start;
-  gap: 0.45rem;
+  display: grid;
+  grid-template-columns: repeat(4, 1fr);
+  gap: 1rem;
 }
 
 .metric-tile {
-  flex: 0 0 auto;
-  width: 8.75rem;
-  min-height: 0;
-  padding: 0.5rem 0.6rem 0.55rem;
-  border-radius: 0.7rem;
-  background:
-    linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(245, 249, 253, 0.92) 100%);
-  border: 1px solid rgba(203, 213, 225, 0.8);
+  padding: 1.25rem 1.5rem 1.2rem;
+  border-radius: 1rem;
+  background: #ffffff;
+  border: 1px solid rgba(203, 213, 225, 0.75);
   box-shadow:
-    inset 0 1px 0 rgba(255, 255, 255, 0.9),
-    0 4px 10px rgba(148, 163, 184, 0.08);
-}
-
-.metric-tile-top {
+    inset 0 1px 0 rgba(255, 255, 255, 1),
+    0 2px 6px rgba(148, 163, 184, 0.1),
+    0 8px 24px rgba(148, 163, 184, 0.08);
   display: flex;
-  align-items: center;
-  justify-content: space-between;
-  margin-bottom: 0.3rem;
+  flex-direction: column;
+  gap: 0.35rem;
+  transition: box-shadow 0.15s ease, transform 0.15s ease;
 }
 
-.metric-chip {
-  display: inline-flex;
-  align-items: center;
-  justify-content: center;
-  width: 1.3rem;
-  height: 1.3rem;
-  border-radius: 0.42rem;
-  color: #4f6f93;
-  background: linear-gradient(180deg, rgba(232, 239, 245, 0.98) 0%, rgba(219, 229, 239, 0.92) 100%);
-  border: 1px solid rgba(191, 204, 219, 0.72);
+.metric-tile:hover {
   box-shadow:
-    inset 0 1px 0 rgba(255, 255, 255, 0.84),
-    0 2px 6px rgba(148, 163, 184, 0.08);
-}
-
-.metric-icon {
-  width: 0.68rem;
-  height: 0.68rem;
+    inset 0 1px 0 rgba(255, 255, 255, 1),
+    0 4px 12px rgba(148, 163, 184, 0.18),
+    0 12px 32px rgba(148, 163, 184, 0.12);
+  transform: translateY(-1px);
 }
 
 .metric-label {
-  color: #5d7088;
-  font-size: 0.58rem;
+  color: #7d94ac;
+  font-size: 0.82rem;
   font-weight: 700;
   letter-spacing: 0.06em;
   text-transform: uppercase;
@@ -208,29 +188,53 @@ body {
 .metric-value {
   display: flex;
   align-items: baseline;
-  gap: 0.16rem;
+  gap: 0.2rem;
   color: #18314f;
 }
 
 .metric-number {
-  font-size: 1.18rem;
+  font-size: 2rem;
   font-weight: 700;
-  letter-spacing: -0.025em;
-  line-height: 1;
+  letter-spacing: -0.04em;
+  line-height: 1.1;
 }
 
 .metric-unit {
-  color: var(--color-text-muted);
-  font-size: 0.62rem;
-  font-weight: 700;
-  letter-spacing: 0.04em;
+  font-size: 1rem;
+  font-weight: 600;
+  color: #4a6580;
+  letter-spacing: -0.01em;
+}
+
+.metric-status {
+  font-size: 0.78rem;
+  font-weight: 600;
+  margin-top: 0.1rem;
+}
+
+.metric-status-good {
+  color: #16a34a;
+}
+
+.metric-status-warn {
+  color: #d97706;
+}
+
+.metric-status-info {
+  color: #0369a1;
 }
 
 .tab-panel[hidden] {
   display: none;
 }
 
-@media (max-width: 840px) {
+@media (max-width: 900px) {
+  .overview-grid {
+    grid-template-columns: repeat(2, 1fr);
+  }
+}
+
+@media (max-width: 480px) {
   .overview-grid {
     grid-template-columns: 1fr;
   }