Update app.py

app.py

@@ -408,6 +408,46 @@ st.markdown("""
         border-radius: 8px;
         margin: 10px 0;
     }
+
+    .theme-card {
+        transition: all 0.3s ease;
+    }
+    
+    .theme-card:hover {
+        transform: translateY(-5px);
+        box-shadow: 0 4px 15px rgba(0,0,0,0.1);
+    }
+    
+    .theme-header {
+        text-align: center;
+        margin-bottom: 2rem;
+    }
+    
+    .theme-header h2 {
+        font-size: 2rem;
+        color: #1e88e5;
+        margin-bottom: 1rem;
+    }
+    
+    .theme-header p {
+        color: #666;
+        font-size: 1.1rem;
+    }
+    
+    /* ปรับแต่งปุ่มเลือกธีม */
+    .stButton > button {
+        width: 100%;
+        padding: 0.75rem;
+        border: none;
+        border-radius: 8px;
+        font-family: 'Sarabun', sans-serif;
+        transition: all 0.2s ease;
+    }
+    
+    .stButton > button:hover {
+        transform: translateY(-2px);
+        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
+    }
     
     .thai {
         color: #1e88e5;