Add metrics_visualization/css/base.css

metrics_visualization/css/base.css

@@ -0,0 +1,136 @@
+/* ==============================
+   Variables
+   ============================== */
+:root {
+  --color-bg: #f9f9fb;
+  --color-surface: #ffffff;
+  --color-text: #1a1a1a;
+  --color-text-muted: #6e6e6e;
+  --color-accent: #0074d9;
+  --color-warning: #f39c12;
+  --color-error: #e74c3c;
+  
+  --font-base: 'Segoe UI', system-ui, sans-serif;
+  --font-size-base: 1rem;
+  --font-size-lg: 1.25rem;
+  --font-size-sm: 0.875rem;
+
+  --spacing-xs: 0.25rem;
+  --spacing-sm: 0.5rem;
+  --spacing-md: 1rem;
+  --spacing-lg: 2rem;
+  --spacing-xl: 4rem;
+  
+  --radius-sm: 4px;
+  --radius-md: 8px;
+  --radius-lg: 12px;
+  
+  --max-content-width: 1200px;
+}
+
+/* ==============================
+   Root & Body Setup
+   ============================== */
+html {
+  box-sizing: border-box;
+  font-size: 16px;
+  -webkit-text-size-adjust: 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(--color-bg);
+  line-height: 1.5;
+  display: flex;
+  flex-direction: column;
+}
+
+body > main {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: flex-start;
+  padding: var(--spacing-md);
+}
+
+/* ==============================
+   Typography
+   ============================== */
+
+h1, h2 {
+  font-weight: 600;
+  line-height: 1.2;
+  color: var(--color-text);
+  margin-bottom: var(--spacing-md);
+}
+
+h1 {
+  font-size: 1.75rem;
+}
+
+h2 {
+  font-size: 1.25rem;
+}
+
+p {
+  margin-bottom: var(--spacing-md);
+  color: var(--color-text);
+}
+
+.text-muted {
+  color: var(--color-text-muted);
+}
+
+/* ==============================
+   Utility Layout Elements
+   ============================== */
+
+.container {
+  width: 100%;
+  max-width: var(--max-content-width);
+  margin: 0 auto;
+  padding: 0 var(--spacing-md);
+}
+
+footer {
+  text-align: center;
+  font-size: var(--font-size-sm);
+  color: var(--color-text-muted);
+  padding: var(--spacing-md);
+}
+
+footer::after {
+  content: '© 2026 Donau2Space.de';
+  display: block;
+  margin-top: var(--spacing-sm);
+}
+
+/* ==============================
+   Responsive Adjustments
+   ============================== */
+
+@media (min-width: 640px) {
+  h1 {
+    font-size: 2rem;
+  }
+  h2 {
+    font-size: 1.5rem;
+  }
+}
+
+@media (min-width: 1024px) {
+  body > main {
+    padding: var(--spacing-lg);
+  }
+}