diff --git a/results_visualization/css/base.css b/results_visualization/css/base.css
new file mode 100644
index 0000000..4a48fde
--- /dev/null
+++ b/results_visualization/css/base.css
@@ -0,0 +1,115 @@
+:root {
+  /* Farbvariablen */
+  --color-bg: #f5f5f5;
+  --color-surface: #ffffff;
+  --color-primary: #2a7ae2;
+  --color-secondary: #888;
+  --color-text: #222;
+  --color-accent: #e27a2a;
+
+  /* Typografie */
+  --font-base: 'Segoe UI', Arial, sans-serif;
+  --font-size-base: 16px;
+  --line-height-base: 1.5;
+
+  /* Spacing */
+  --spacing-xs: 0.25rem;
+  --spacing-sm: 0.5rem;
+  --spacing-md: 1rem;
+  --spacing-lg: 2rem;
+  --spacing-xl: 4rem;
+
+  /* Breakpoints */
+  --breakpoint-sm: 640px;
+  --breakpoint-md: 1024px;
+  --breakpoint-lg: 1440px;
+}
+
+/* Reset und Grundlayout */
+* {
+  margin: 0;
+  padding: 0;
+  box-sizing: border-box;
+}
+
+body {
+  font-family: var(--font-base);
+  font-size: var(--font-size-base);
+  line-height: var(--line-height-base);
+  color: var(--color-text);
+  background-color: var(--color-bg);
+  min-height: 100vh;
+  display: flex;
+  flex-direction: column;
+}
+
+/* Typografie */
+h1 {
+  font-size: 2rem;
+  font-weight: 600;
+  margin-bottom: var(--spacing-md);
+  color: var(--color-primary);
+}
+
+h2 {
+  font-size: 1.5rem;
+  font-weight: 500;
+  margin-bottom: var(--spacing-sm);
+  color: var(--color-accent);
+}
+
+p {
+  margin-bottom: var(--spacing-md);
+  color: var(--color-text);
+}
+
+.text-muted {
+  color: var(--color-secondary);
+}
+
+/* Utility Klassen */
+.flex-row {
+  display: flex;
+  flex-direction: row;
+  align-items: center;
+}
+
+.flex-col {
+  display: flex;
+  flex-direction: column;
+}
+
+.hidden {
+  display: none !important; /* Wichtig um dynamisch UI-Elemente auszublenden */
+}
+
+/* Responsive Anpassungen */
+@media (min-width: var(--breakpoint-sm)) {
+  h1 {
+    font-size: 2.25rem;
+  }
+}
+
+@media (min-width: var(--breakpoint-md)) {
+  h1 {
+    font-size: 2.5rem;
+  }
+  h2 {
+    font-size: 1.75rem;
+  }
+}
+
+/* Footer Hinweis */
+footer {
+  margin-top: auto;
+  text-align: center;
+  padding: var(--spacing-md);
+  font-size: 0.875rem;
+  color: var(--color-secondary);
+}
+
+footer::after {
+  content: "© 2026 Donau2Space.de";
+  display: block;
+  margin-top: var(--spacing-xs);
+}
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