Update pharmacokinetic parameters/calculations, add advanced settings, add disclaimer/citations, many improvements

src/App.tsx

@@ -16,6 +16,7 @@ import DaySchedule from './components/day-schedule';
 import SimulationChart from './components/simulation-chart';
 import Settings from './components/settings';
 import LanguageSelector from './components/language-selector';
+import DisclaimerModal from './components/disclaimer-modal';
 import { Button } from './components/ui/button';
 
 // Custom Hooks
@@ -27,6 +28,25 @@ import { useLanguage } from './hooks/useLanguage';
 const MedPlanAssistant = () => {
   const { currentLanguage, t, changeLanguage } = useLanguage();
 
+  // Disclaimer modal state
+  const [showDisclaimer, setShowDisclaimer] = React.useState(false);
+
+  React.useEffect(() => {
+    const hasAccepted = localStorage.getItem('medPlanDisclaimerAccepted_v1');
+    if (!hasAccepted) {
+      setShowDisclaimer(true);
+    }
+  }, []);
+
+  const handleAcceptDisclaimer = () => {
+    localStorage.setItem('medPlanDisclaimerAccepted_v1', 'true');
+    setShowDisclaimer(false);
+  };
+
+  const handleOpenDisclaimer = () => {
+    setShowDisclaimer(true);
+  };
+
   const {
     appState,
     updateNestedState,
@@ -66,6 +86,15 @@ const MedPlanAssistant = () => {
 
   return (
     <div className="min-h-screen bg-background p-4 sm:p-6 lg:p-8">
+      {/* Disclaimer Modal */}
+      <DisclaimerModal
+        isOpen={showDisclaimer}
+        onAccept={handleAcceptDisclaimer}
+        currentLanguage={currentLanguage}
+        onLanguageChange={changeLanguage}
+        t={t}
+      />
+
       <div className="max-w-7xl mx-auto">
         <header className="mb-8">
           <div className="flex justify-between items-start">
@@ -151,8 +180,20 @@ const MedPlanAssistant = () => {
         </div>
 
         <footer className="mt-8 p-4 bg-muted rounded-lg text-sm text-muted-foreground border">
-          <h3 className="font-semibold mb-2 text-foreground">{t('importantNote')}</h3>
-          <p>{t('disclaimer')}</p>
+          <div className="space-y-3">
+            <div>
+              <h3 className="font-semibold mb-2 text-foreground">{t('importantNote')}</h3>
+              <p>{t('disclaimer')}</p>
+            </div>
+            <Button
+              variant="outline"
+              size="sm"
+              onClick={handleOpenDisclaimer}
+              className="w-full sm:w-auto"
+            >
+              {t('disclaimerModalFooterLink')}
+            </Button>
+          </div>
         </footer>
       </div>
     </div>