chore: update app configurations and screens

src/screens/CameraScreen.tsx

@@ -272,6 +272,15 @@ export default function CameraScreen({
     }
   };
 
+  const handleCancel = useCallback(() => {
+    if (burstTimerRef.current) {
+      clearTimeout(burstTimerRef.current);
+    }
+    setHasStarted(false);
+    setIsCapturing(false);
+    onCancel();
+  }, [onCancel]);
+
   const handleSettingsTap = () => {
     setEnteredPassword('');
     setErrorText('');
@@ -327,24 +336,13 @@ export default function CameraScreen({
               <FontAwesomeIcon icon={faUserGear} size={22} color={THEME.colors.accent} />
             </TouchableOpacity>
 
-            <View style={styles.welcomeBox}>
-              <Text style={styles.logo}>SCHNAPPIX</Text>
-              <Text style={styles.welcomeTitle}>{welcomeText}</Text>
-              
-              <View style={styles.divider} />
-              
-              <LinearGradient
-                colors={THEME.gradient.primary}
-                start={{ x: 0, y: 0.5 }}
-                end={{ x: 1, y: 0.5 }}
-                style={styles.startButton}
-              >
-                <FontAwesomeIcon icon={faCameraRetro} size={20} color={THEME.colors.text} style={{ marginRight: 10 }} />
-                <Text style={styles.startButtonText}>ZUM STARTEN ÜBERALL TIPPEN</Text>
-              </LinearGradient>
-              
-              <Text style={styles.welcomeFooter}>Fotos machen • Collage erstellen • Sofort drucken</Text>
-            </View>
+            {/* Header Event Text */}
+            <Text style={styles.headerTitle}>{welcomeText}</Text>
+            
+            {/* Footer Instructions */}
+            <Text style={styles.footerInstructions}>
+              ZUM STARTEN TIPPEN • Fotos machen • Collage • Drucken
+            </Text>
 
             {/* Password Prompt Modal */}
             <Modal
@@ -459,7 +457,7 @@ export default function CameraScreen({
 
         {/* Cancel Button */}
         {!isCapturing && !isBurstWaiting && (
-          <TouchableOpacity style={styles.backButton} onPress={onCancel}>
+          <TouchableOpacity style={styles.backButton} onPress={handleCancel}>
             <FontAwesomeIcon icon={faXmark} size={16} color={THEME.colors.text} style={{ marginRight: 6 }} />
             <Text style={styles.backButtonText}>ABBRECHEN</Text>
           </TouchableOpacity>
@@ -530,10 +528,12 @@ const styles = StyleSheet.create({
     zIndex: 9999,
   },
   idleOverlayContainer: {
-    flex: 1,
-    justifyContent: 'center',
-    alignItems: 'center',
-    backgroundColor: 'rgba(5, 5, 16, 0.25)',
+    position: 'absolute',
+    top: 0,
+    left: 0,
+    right: 0,
+    bottom: 0,
+    backgroundColor: 'transparent',
   },
   captureOverlayContainer: {
     flex: 1,
@@ -554,73 +554,31 @@ const styles = StyleSheet.create({
     alignItems: 'center',
     zIndex: 999,
   },
-  welcomeBox: {
-    alignItems: 'center',
-    padding: THEME.spacing.xl,
-    borderRadius: THEME.borderRadius.lg,
-    backgroundColor: 'rgba(5, 5, 16, 0.85)',
-    borderWidth: 1,
-    borderColor: THEME.colors.gradientBorder,
-    width: '60%',
-    shadowColor: THEME.colors.gradientGlow,
-    shadowOffset: { width: 0, height: 0 },
-    shadowOpacity: 0.4,
-    shadowRadius: 30,
-    elevation: 10,
-  },
-  logo: {
-    fontSize: 54,
+  headerTitle: {
+    position: 'absolute',
+    top: 40,
+    width: '100%',
+    textAlign: 'center',
+    fontSize: 48,
     fontWeight: '900',
     color: THEME.colors.accent,
-    letterSpacing: 8,
-    marginBottom: THEME.spacing.sm,
+    letterSpacing: 6,
     textShadowColor: THEME.colors.cyanGlow,
     textShadowOffset: { width: 0, height: 0 },
     textShadowRadius: 25,
   },
-  welcomeTitle: {
-    fontSize: 22,
-    color: THEME.colors.text,
+  footerInstructions: {
+    position: 'absolute',
+    bottom: 40,
+    width: '100%',
     textAlign: 'center',
-    marginBottom: THEME.spacing.lg,
-    letterSpacing: 1,
-  },
-  divider: {
-    width: 60,
-    height: 3,
-    backgroundColor: THEME.colors.accent,
-    marginBottom: THEME.spacing.xl,
-    borderRadius: THEME.borderRadius.sm,
-    shadowColor: THEME.colors.accent,
-    shadowOffset: { width: 0, height: 0 },
-    shadowOpacity: 0.8,
-    shadowRadius: 8,
-  },
-  startButton: {
-    flexDirection: 'row',
-    alignItems: 'center',
-    justifyContent: 'center',
-    paddingVertical: THEME.spacing.md,
-    paddingHorizontal: THEME.spacing.xl,
-    borderRadius: THEME.borderRadius.round,
-    marginBottom: THEME.spacing.xl,
-    overflow: 'hidden',
-    shadowColor: THEME.colors.gradientGlow,
-    shadowOffset: { width: 0, height: 4 },
-    shadowOpacity: 0.6,
-    shadowRadius: 14,
-    elevation: 8,
-  },
-  startButtonText: {
-    color: THEME.colors.text,
-    fontSize: 18,
+    fontSize: 20,
     fontWeight: 'bold',
+    color: THEME.colors.text,
     letterSpacing: 2,
-  },
-  welcomeFooter: {
-    fontSize: 14,
-    color: THEME.colors.textMuted,
-    letterSpacing: 1,
+    textShadowColor: 'rgba(0,0,0,0.9)',
+    textShadowOffset: { width: 0, height: 2 },
+    textShadowRadius: 15,
   },
   hudContainer: {
     position: 'absolute',
@@ -838,6 +796,8 @@ const styles = StyleSheet.create({
   },
   confirmGradient: {
     flex: 1,
+    width: '100%',
+    height: '100%',
     alignItems: 'center',
     justifyContent: 'center',
   },