From 3ce8d981b00dbb98760940d25856b7a1be1eb82b Mon Sep 17 00:00:00 2001
From: Mika <kontakt@donau2space.de>
Date: Sun, 22 Mar 2026 03:08:27 +0000
Subject: [PATCH] Add data_visualization/css/base.css

---
 data_visualization/css/base.css | 102 ++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 data_visualization/css/base.css

diff --git a/data_visualization/css/base.css b/data_visualization/css/base.css
new file mode 100644
index 0000000..a633688
--- /dev/null
+++ b/data_visualization/css/base.css
@@ -0,0 +1,102 @@
+:root {
+  /* Farbdefinitionen */
+  --color-bg: #f9fafb;
+  --color-primary: #1e3a8a;
+  --color-secondary: #475569;
+  --color-accent: #2563eb;
+  --color-text: #111827;
+  --color-footer-bg: #e5e7eb;
+
+  /* Spacing und Maße */
+  --spacing-xs: 0.25rem;
+  --spacing-sm: 0.5rem;
+  --spacing-md: 1rem;
+  --spacing-lg: 1.5rem;
+  --spacing-xl: 2rem;
+
+  /* Typografie */
+  --font-base: 'system-ui', sans-serif;
+  --font-size-base: 1rem;
+  --font-size-lg: 1.25rem;
+  --line-height-base: 1.5;
+
+  /* Layout */
+  --max-width: 1200px;
+}
+
+/* RESET UND BASISSTYLES */
+html {
+  box-sizing: border-box;
+  font-size: 16px;
+}
+
+*, *::before, *::after {
+  box-sizing: inherit;
+  margin: 0;
+  padding: 0;
+}
+
+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;
+  align-items: center;
+}
+
+h1 {
+  font-size: var(--font-size-lg);
+  color: var(--color-primary);
+  margin-bottom: var(--spacing-md);
+}
+
+p {
+  margin-bottom: var(--spacing-md);
+  color: var(--color-secondary);
+}
+
+/* APP SHELL */
+.app-header {
+  width: 100%;
+  max-width: var(--max-width);
+  background-color: var(--color-primary);
+  color: #ffffff;
+  padding: var(--spacing-md);
+  text-align: center;
+}
+
+.app-footer {
+  width: 100%;
+  max-width: var(--max-width);
+  background-color: var(--color-footer-bg);
+  text-align: center;
+  padding: var(--spacing-sm);
+  margin-top: auto;
+  font-size: 0.875rem;
+  color: var(--color-secondary);
+}
+
+.app-footer small {
+  display: block;
+}
+
+.app-footer small::after {
+  content: " © 2026 Donau2Space.de";
+}
+
+/* RESPONSIVE ANPASSUNGEN */
+@media (min-width: 640px) {
+  h1 {
+    font-size: 1.5rem;
+  }
+}
+
+@media (min-width: 1024px) {
+  body {
+    font-size: 1.125rem;
+  }
+}
\ No newline at end of file