From 73617dec818facc1107b25308e57929e09465c07 Mon Sep 17 00:00:00 2001
From: Mika <kontakt@donau2space.de>
Date: Thu, 5 Mar 2026 15:47:58 +0000
Subject: [PATCH] Add visualization_tool/css/base.css

---
 visualization_tool/css/base.css | 111 ++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 visualization_tool/css/base.css

diff --git a/visualization_tool/css/base.css b/visualization_tool/css/base.css
new file mode 100644
index 0000000..4c46e58
--- /dev/null
+++ b/visualization_tool/css/base.css
@@ -0,0 +1,111 @@
+/* ============================
+   CSS Reset & Variablen
+   ============================ */
+
+:root {
+  --color-primary: #1e88e5;
+  --color-accent: #e53935;
+  --color-success: #43a047;
+  --color-warning: #fbc02d;
+  --color-text: #212121;
+  --color-text-light: #fafafa;
+  --bg-light: #f5f5f5;
+  --bg-dark: #212121;
+  --font-base: 'Segoe UI', Arial, sans-serif;
+  --font-size-base: 16px;
+  --spacing-xs: 0.25rem;
+  --spacing-sm: 0.5rem;
+  --spacing-md: 1rem;
+  --spacing-lg: 2rem;
+  --max-content-width: 1200px;
+  --transition-fast: 0.2s ease;
+  --transition-base: 0.3s ease;
+}
+
+html {
+  box-sizing: border-box;
+  font-size: 100%;
+  scroll-behavior: smooth;
+}
+
+*, *::before, *::after {
+  box-sizing: inherit;
+  margin: 0;
+  padding: 0;
+}
+
+body {
+  min-height: 100vh;
+  font-family: var(--font-base);
+  font-size: var(--font-size-base);
+  color: var(--color-text);
+  background-color: var(--bg-light);
+  line-height: 1.5;
+  display: flex;
+  flex-direction: column;
+}
+
+img, picture, video, canvas, svg {
+  display: block;
+  max-width: 100%;
+}
+
+input, button, textarea, select {
+  font: inherit;
+}
+
+a {
+  text-decoration: none;
+  color: inherit;
+  transition: color var(--transition-fast);
+}
+
+a:hover, a:focus {
+  color: var(--color-primary);
+}
+
+/* ============================
+   Body & Grundlayout
+   ============================ */
+
+.app-header {
+  background-color: var(--bg-dark);
+  color: var(--color-text-light);
+  padding: var(--spacing-md);
+  text-align: center;
+}
+
+.app-footer {
+  background-color: var(--bg-dark);
+  color: var(--color-text-light);
+  padding: var(--spacing-sm) var(--spacing-md);
+  text-align: center;
+  margin-top: auto;
+  font-size: 0.875rem;
+}
+
+.app-footer::after {
+  content: '© 2026 Donau2Space.de';
+  display: block;
+  margin-top: var(--spacing-xs);
+}
+
+main {
+  width: 100%;
+  max-width: var(--max-content-width);
+  margin: 0 auto;
+  padding: var(--spacing-md);
+  flex: 1;
+}
+
+@media (min-width: 640px) {
+  body {
+    font-size: 1.0625rem;
+  }
+}
+
+@media (min-width: 1024px) {
+  body {
+    font-size: 1.125rem;
+  }
+}
\ No newline at end of file