diff --git a/visualization_ui/css/components.css b/visualization_ui/css/components.css
new file mode 100644
index 0000000..5b49936
--- /dev/null
+++ b/visualization_ui/css/components.css
@@ -0,0 +1,141 @@
+:root {
+  --primary: #2a73cc;
+  --secondary: #f4f7fb;
+  --accent: #e2eaff;
+  --text-color: #222;
+  --text-muted: #666;
+  --border-radius: 6px;
+  --spacing-xs: 0.25rem;
+  --spacing-sm: 0.5rem;
+  --spacing-md: 1rem;
+  --spacing-lg: 1.5rem;
+  --shadow-level-1: 0 1px 3px rgba(0,0,0,0.1);
+  --shadow-level-2: 0 3px 6px rgba(0,0,0,0.15);
+}
+
+/* ==============================
+   Dashboard Panels
+============================== */
+
+.alert-dashboard {
+  display: grid;
+  grid-template-columns: 1fr;
+  gap: var(--spacing-lg);
+  padding: var(--spacing-md);
+  background-color: var(--secondary);
+  min-height: 100vh;
+}
+
+@media (min-width: 768px) {
+  .alert-dashboard {
+    grid-template-columns: 2fr 1fr;
+  }
+}
+
+.panel {
+  background-color: #fff;
+  border-radius: var(--border-radius);
+  box-shadow: var(--shadow-level-1);
+  padding: var(--spacing-md);
+  transition: box-shadow 0.2s ease, transform 0.2s ease;
+}
+
+.panel:hover {
+  box-shadow: var(--shadow-level-2);
+  transform: translateY(-2px);
+}
+
+.summary-panel {
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: flex-start;
+  color: var(--text-color);
+  background: var(--accent);
+  font-size: 0.95rem;
+  line-height: 1.4;
+}
+
+.summary-panel__title {
+  font-weight: 600;
+  margin-bottom: var(--spacing-sm);
+  color: var(--primary);
+}
+
+.summary-panel__item {
+  margin-bottom: var(--spacing-xs);
+  color: var(--text-muted);
+}
+
+/* ==============================
+   Controls and Buttons
+============================== */
+
+.filter-control {
+  display: flex;
+  align-items: center;
+  gap: var(--spacing-sm);
+  margin-bottom: var(--spacing-md);
+}
+
+.filter-control label {
+  font-size: 0.9rem;
+  color: var(--text-color);
+}
+
+.filter-control select,
+.filter-control input[type="text"] {
+  padding: var(--spacing-sm);
+  border-radius: var(--border-radius);
+  border: 1px solid #ccc;
+  background-color: #fff;
+  font-size: 0.9rem;
+  color: var(--text-color);
+}
+
+.refresh-button {
+  padding: var(--spacing-sm) var(--spacing-md);
+  background-color: var(--primary);
+  color: #fff;
+  border: none;
+  border-radius: var(--border-radius);
+  cursor: pointer;
+  font-size: 0.95rem;
+  font-weight: 500;
+  box-shadow: var(--shadow-level-1);
+  transition: background-color 0.2s ease, box-shadow 0.2s ease;
+}
+
+.refresh-button:hover {
+  background-color: darken(var(--primary), 10%);
+  box-shadow: var(--shadow-level-2);
+}
+
+.refresh-button:disabled {
+  opacity: 0.6;
+  cursor: not-allowed;
+  box-shadow: none;
+}
+
+/* ==============================
+   Responsive Adjustments
+============================== */
+
+@media (min-width: 1024px) {
+  .alert-dashboard {
+    grid-template-columns: repeat(3, 1fr);
+  }
+}
+
+footer {
+  text-align: center;
+  font-size: 0.8rem;
+  margin-top: var(--spacing-lg);
+  color: var(--text-muted);
+}
+
+footer::after {
+  content: "© 2026 Donau2Space.de";
+  display: block;
+  margin-top: var(--spacing-sm);
+}
\ No newline at end of file