From 16bf19435aabb2e1bb79a6f8e063ed6fe299f5f7 Mon Sep 17 00:00:00 2001
From: Mika <kontakt@donau2space.de>
Date: Mon, 16 Mar 2026 13:59:08 +0000
Subject: [PATCH] Add data_visualization/css/base.css

---
 data_visualization/css/base.css | 141 ++++++++++++++++++++++++++++++++
 1 file changed, 141 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..5fd325f
--- /dev/null
+++ b/data_visualization/css/base.css
@@ -0,0 +1,141 @@
+/* ===========================
+   CSS Reset & Variablen
+   =========================== */
+
+/* Reset */
+html, body, div, span, applet, object, iframe,
+h1, h2, h3, h4, h5, h6, p, blockquote, pre,
+a, abbr, acronym, address, big, cite, code,
+del, dfn, em, img, ins, kbd, q, s, samp,
+small, strike, strong, sub, sup, tt, var,
+b, u, i, center,
+dl, dt, dd, ol, ul, li,
+fieldset, form, label, legend,
+table, caption, tbody, tfoot, thead, tr, th, td,
+article, aside, canvas, details, embed, 
+figure, figcaption, footer, header, hgroup, 
+menu, nav, output, ruby, section, summary,
+time, mark, audio, video {
+  margin: 0;
+  padding: 0;
+  border: 0;
+  font-size: 100%;
+  font: inherit;
+  vertical-align: baseline;
+}
+
+/* Box sizing and base setup */
+*, *::before, *::after {
+  box-sizing: border-box;
+}
+
+html {
+  scroll-behavior: smooth;
+  font-size: 16px;
+}
+
+body {
+  line-height: 1.5;
+  font-family: var(--font-base);
+  background-color: var(--color-bg);
+  color: var(--color-text);
+  min-height: 100vh;
+  display: flex;
+  flex-direction: column;
+}
+
+:root {
+  /* Farben */
+  --color-bg: #f8f9fa;
+  --color-surface: #ffffff;
+  --color-border: #dee2e6;
+  --color-text: #212529;
+  --color-primary: #005f99;
+  --color-accent: #e07a00;
+  --color-muted: #6c757d;
+
+  /* Typografie */
+  --font-base: 'Helvetica Neue', Arial, sans-serif;
+  --font-size-base: 1rem;
+  --font-size-sm: 0.875rem;
+  --font-size-lg: 1.125rem;
+
+  /* Spacing */
+  --spacing-xs: 0.25rem;
+  --spacing-sm: 0.5rem;
+  --spacing-md: 1rem;
+  --spacing-lg: 1.5rem;
+  --spacing-xl: 2rem;
+
+  /* Layout */
+  --max-width: 1200px;
+  --sidebar-width: 250px;
+
+  /* Breakpoints */
+  --bp-sm: 640px;
+  --bp-md: 1024px;
+  --bp-lg: 1440px;
+}
+
+/* ===========================
+   App Shell Layout
+   =========================== */
+
+.app-shell {
+  display: grid;
+  grid-template-rows: auto 1fr auto;
+  grid-template-columns: 100%;
+  min-height: 100vh;
+}
+
+.app-header {
+  background-color: var(--color-primary);
+  color: #fff;
+  padding: var(--spacing-md);
+}
+
+.app-main {
+  display: flex;
+  flex-grow: 1;
+  background-color: var(--color-surface);
+  max-width: var(--max-width);
+  margin: 0 auto;
+  width: 100%;
+}
+
+.app-sidebar {
+  flex: 0 0 var(--sidebar-width);
+  background-color: var(--color-bg);
+  border-right: 1px solid var(--color-border);
+  padding: var(--spacing-md);
+}
+
+.app-footer {
+  padding: var(--spacing-sm) var(--spacing-md);
+  text-align: center;
+  background-color: var(--color-bg);
+  border-top: 1px solid var(--color-border);
+  font-size: var(--font-size-sm);
+  color: var(--color-muted);
+}
+
+/* Responsive Anpassungen */
+@media (max-width: 1024px) {
+  .app-main {
+    flex-direction: column;
+  }
+  .app-sidebar {
+    flex: 0 0 auto;
+    border-right: none;
+    border-bottom: 1px solid var(--color-border);
+  }
+}
+
+/* Footer Copyright */
+.app-footer::after {
+  content: '© 2026 Donau2Space.de';
+  display: block;
+  margin-top: var(--spacing-xs);
+  font-size: var(--font-size-sm);
+  color: var(--color-muted);
+}
\ No newline at end of file