1 files changed, 126 insertions, 0 deletions
diff --git a/src/frontend/app/root.css b/src/frontend/app/root.css
new file mode 100644
index 0000000..689b48e
--- /dev/null
+++ b/src/frontend/app/root.css
@@ -0,0 +1,126 @@
+:root {
+  --colour-scheme: light;
+  --background-color: #ffffff;
+  --text-color: #333333;
+  --subtitle-color: #444444;
+  --border-color: #eeeeee;
+  --button-background-color: #007bff;
+  --button-hover-background-color: #0069d9;
+  --button-disabled-background-color: #cccccc;
+  --star-color: #ffcc00;
+  --message-background-color: #f8f9fa;
+
+  font-family: 'Roboto Variable', Roboto, Arial, sans-serif;
+}
+
+[data-theme='dark'] {
+  --colour-scheme: dark;
+  --background-color: #121212;
+  --text-color: #ffffff;
+  --subtitle-color: #bbbbbb;
+  --border-color: #444444;
+  --button-background-color: #1e88e5;
+  --button-hover-background-color: #1565c0;
+  --button-disabled-background-color: #555555;
+  --star-color: #ffcc00;
+  --message-background-color: #333333;
+}
+
+body {
+  color-scheme: var(--colour-scheme, light);
+
+  margin: 0;
+  padding: 0;
+  box-sizing: border-box;
+
+  background-color: var(--background-color);
+
+  display: flex;
+  flex-direction: column;
+  height: 100vh;
+  width: 100%;
+  overflow: hidden;
+}
+
+.main-content {
+  flex: 1;
+  overflow: auto;
+}
+
+.navigation-bar {
+  display: flex;
+  justify-content: space-around;
+  align-items: center;
+  padding: 0.5rem 0;
+
+  background-color: var(--background-color);
+  border-top: 1px solid var(--border-color);
+}
+
+.navigation-bar__link {
+  flex: 1 0;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  text-decoration: none;
+  color: var(--text-color);
+  padding: .25rem 0;
+  border-radius: .5rem;
+}
+
+.navigation-bar__link svg {
+  width: 1.75rem;
+  height: 1.75rem;
+  margin-bottom: 5px;
+  fill: none;
+  stroke-width: 2;
+}
+
+.navigation-bar__link span {
+  font-size: 14px;
+  line-height: 1;
+}
+
+.navigation-bar__link.active {
+  color: var(--button-background-color);
+}
+
+.theme-toggle {
+  background: none;
+  border: none;
+  cursor: pointer;
+  color: inherit;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 8px;
+}
+
+.theme-toggle:hover {
+  color: var(--button-hover-background-color);
+}
+
+.page-container {
+  max-width: 100%;
+  padding: 0 16px;
+  background-color: var(--background-color);
+  color: var(--text-color);
+}
+
+@media (min-width: 768px) {
+  .page-container {
+    width: 90%;
+    max-width: 768px;
+    margin: 0 auto;
+  }
+
+  .page-title {
+    font-size: 2.2rem;
+  }
+}
+
+@media (min-width: 1024px) {
+  .page-container {
+    max-width: 1024px;
+  }
+}