Add data_visualization/css/base.css

data_visualization/css/base.css

@@ -0,0 +1,89 @@
+/* =============================================
+   RESET
+   --------------------------------------------- */
+* {
+  margin: 0;
+  padding: 0;
+  box-sizing: border-box;
+}
+
+html {
+  height: 100%;
+  font-size: 16px;
+  scroll-behavior: smooth;
+}
+
+body {
+  min-height: 100%;
+}
+
+/* =============================================
+   VARIABLES
+   --------------------------------------------- */
+:root {
+  /* Farbvariablen */
+  --color-bg: #0b0c10;
+  --color-surface: #1f2833;
+  --color-accent: #45a29e;
+  --color-text: #c5c6c7;
+  --color-text-strong: #ffffff;
+
+  /* Typografie */
+  --font-base: 'Segoe UI', Arial, sans-serif;
+  --font-size-base: 1rem;
+  --font-size-small: 0.875rem;
+  --line-height-base: 1.5;
+
+  /* Layout-Spacings */
+  --spacing-xs: 0.25rem;
+  --spacing-sm: 0.5rem;
+  --spacing-md: 1rem;
+  --spacing-lg: 1.5rem;
+  --spacing-xl: 2rem;
+
+  /* Breakpoints */
+  --bp-sm: 640px;
+  --bp-md: 1024px;
+  --bp-lg: 1280px;
+}
+
+/* =============================================
+   BODY BASE
+   --------------------------------------------- */
+body {
+  display: flex;
+  flex-direction: column;
+  align-items: stretch;
+  justify-content: flex-start;
+  background-color: var(--color-bg);
+  color: var(--color-text);
+  font-family: var(--font-base);
+  font-size: var(--font-size-base);
+  line-height: var(--line-height-base);
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+@media (min-width: var(--bp-md)) {
+  body {
+    font-size: 1.0625rem;
+  }
+}
+
+/* =============================================
+   FOOTER COPYRIGHT (Global)
+   --------------------------------------------- */
+footer {
+  text-align: center;
+  font-size: var(--font-size-small);
+  color: var(--color-text);
+  padding: var(--spacing-sm);
+  border-top: 1px solid var(--color-surface);
+}
+
+footer::after {
+  content: '\00A9 2026 Donau2Space.de';
+  display: block;
+  margin-top: var(--spacing-xs);
+  color: var(--color-text);
+}