From 22c82798d9663816d3664e944bd469553716730c Mon Sep 17 00:00:00 2001
From: Mika <kontakt@donau2space.de>
Date: Mon, 23 Feb 2026 14:48:34 +0000
Subject: [PATCH] Add drift_matrix_visualization/css/base.css

---
 drift_matrix_visualization/css/base.css | 142 ++++++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100644 drift_matrix_visualization/css/base.css

diff --git a/drift_matrix_visualization/css/base.css b/drift_matrix_visualization/css/base.css
new file mode 100644
index 0000000..0fef5b5
--- /dev/null
+++ b/drift_matrix_visualization/css/base.css
@@ -0,0 +1,142 @@
+/* =======================================
+   Reset and Variables
+   ======================================= */
+
+:root {
+  --color-bg: #f9fafb;
+  --color-surface: #ffffff;
+  --color-border: #d1d5db;
+  --color-text: #1f2937;
+  --color-primary: #2563eb;
+  --color-accent: #f59e0b;
+  --spacing-xs: 0.25rem;
+  --spacing-sm: 0.5rem;
+  --spacing-md: 1rem;
+  --spacing-lg: 2rem;
+  --font-base: 'Segoe UI', Roboto, sans-serif;
+  --font-size-base: 1rem;
+  --font-size-title: 1.5rem;
+  --radius-sm: 4px;
+  --transition-base: 0.2s ease-in-out;
+  --bp-md: 640px;
+  --bp-lg: 1024px;
+}
+
+html, body {
+  margin: 0;
+  padding: 0;
+  box-sizing: border-box;
+  font-family: var(--font-base);
+  font-size: var(--font-size-base);
+  color: var(--color-text);
+  background-color: var(--color-bg);
+  line-height: 1.5;
+}
+
+*, *::before, *::after {
+  box-sizing: inherit;
+}
+
+h1, h2, h3, h4, h5, h6, p {
+  margin: 0;
+}
+
+main {
+  display: block;
+}
+
+/* =======================================
+   Layout Containers
+   ======================================= */
+
+.app-header {
+  padding: var(--spacing-md);
+  background-color: var(--color-surface);
+  border-bottom: 1px solid var(--color-border);
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  justify-content: space-between;
+}
+
+.app-footer {
+  text-align: center;
+  padding: var(--spacing-md);
+  font-size: 0.875rem;
+  color: var(--color-text);
+  border-top: 1px solid var(--color-border);
+  background-color: var(--color-surface);
+}
+
+.matrix-container {
+  display: grid;
+  grid-template-columns: 1fr;
+  gap: var(--spacing-md);
+  padding: var(--spacing-lg) var(--spacing-md);
+}
+
+.matrix-detail-panel {
+  background-color: var(--color-surface);
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-sm);
+  padding: var(--spacing-md);
+  overflow-y: auto;
+}
+
+@media (min-width: var(--bp-md)) {
+  .matrix-container {
+    grid-template-columns: 2fr 1fr;
+  }
+}
+
+/* =======================================
+   Controls and Form Elements
+   ======================================= */
+
+.run-selector {
+  display: inline-flex;
+  align-items: center;
+  gap: var(--spacing-sm);
+  margin: var(--spacing-sm) 0;
+}
+
+.run-selector select {
+  padding: var(--spacing-xs) var(--spacing-sm);
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-sm);
+  font-size: 1rem;
+  transition: border-color var(--transition-base);
+}
+
+.run-selector select:focus {
+  outline: none;
+  border-color: var(--color-primary);
+}
+
+.control {
+  display: inline-block;
+  background-color: var(--color-primary);
+  color: #fff;
+  border: none;
+  border-radius: var(--radius-sm);
+  padding: var(--spacing-xs) var(--spacing-md);
+  cursor: pointer;
+  transition: background-color var(--transition-base);
+}
+
+.control:hover,
+.control:focus {
+  background-color: var(--color-accent);
+}
+
+/* =======================================
+   Footer
+   ======================================= */
+
+.app-footer::after {
+  content: "© 2026 Donau2Space.de";
+  display: block;
+  margin-top: var(--spacing-xs);
+  font-size: 0.75rem;
+  opacity: 0.7;
+}
\ No newline at end of file