chore: rebuild Tailwind CSS with new component styles

Rebuild all frontend CSS files to include styles for:
- Number stepper component
- Tab components
- E-commerce shop components

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

static/shared/css/base.css

@@ -140,6 +140,18 @@ input[type="checkbox"]:focus {
     box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
 }
 
+/* Hide number input spinners */
+input[type="number"].no-spinner::-webkit-outer-spin-button,
+input[type="number"].no-spinner::-webkit-inner-spin-button {
+    -webkit-appearance: none;
+    margin: 0;
+}
+
+input[type="number"].no-spinner {
+    -moz-appearance: textfield;
+    appearance: textfield;
+}
+
 /* Dark mode input styles */
 .dark input[type="text"],
 .dark input[type="email"],