Add metric_visualization/css/base.css

metric_visualization/css/base.css

@@ -0,0 +1,100 @@
+/* ==============================
+   Root Variables
+   ============================== */
+:root {
+  --color-bg: #f7f8fa;
+  --color-text: #1a1a1a;
+  --color-accent: #005ecb;
+  --color-accent-light: #d6e4ff;
+  --color-warning: #ff9800;
+  --color-error: #d32f2f;
+  --color-success: #388e3c;
+  --spacing-xs: 0.25rem;
+  --spacing-sm: 0.5rem;
+  --spacing-md: 1rem;
+  --spacing-lg: 2rem;
+  --border-radius: 4px;
+  --font-base: 'Segoe UI', Arial, sans-serif;
+  --font-size-base: 1rem;
+  --font-size-sm: 0.875rem;
+  --font-size-lg: 1.25rem;
+  --line-height-base: 1.5;
+}
+
+/* ==============================
+   Body Layout
+   ============================== */
+body {
+  margin: 0;
+  padding: 0;
+  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);
+  display: flex;
+  flex-direction: column;
+  min-height: 100vh;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+/* ==============================
+   Typography
+   ============================== */
+h1,
+h2,
+p {
+  margin: 0 0 var(--spacing-md) 0;
+}
+
+h1 {
+  font-size: 2rem;
+  font-weight: 600;
+  color: var(--color-accent);
+}
+
+h2 {
+  font-size: 1.5rem;
+  font-weight: 500;
+  color: var(--color-text);
+}
+
+p {
+  font-size: var(--font-size-base);
+  color: var(--color-text);
+}
+
+/* ==============================
+   Responsive Adjustments
+   ============================== */
+@media (min-width: 640px) {
+  h1 {
+    font-size: 2.25rem;
+  }
+  h2 {
+    font-size: 1.75rem;
+  }
+}
+
+@media (min-width: 1024px) {
+  :root {
+    --font-size-base: 1.0625rem;
+  }
+}
+
+/* Footer Copyright */
+footer {
+  margin-top: auto;
+  padding: var(--spacing-md);
+  text-align: center;
+  font-size: var(--font-size-sm);
+  color: var(--color-text);
+}
+
+footer::after {
+  content: '© 2026 Donau2Space.de';
+  display: block;
+  margin-top: var(--spacing-sm);
+  opacity: 0.7;
+}