diff --git a/app/(dashboard)/import/page.tsx b/app/(dashboard)/import/page.tsx
index 2a4d4231..6552895c 100644
--- a/app/(dashboard)/import/page.tsx
+++ b/app/(dashboard)/import/page.tsx
@@ -786,20 +786,8 @@ export default function ImportPage() {
         </p>
       </div>
 
-      {mode === null && (
+      {mode === null && hasBankingExtension !== null && (
         <div className="grid gap-4 md:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4">
-          {hasBankingExtension === null && (
-            <Card className="animate-pulse">
-              <CardContent className="pt-6 pb-6 flex flex-col items-center text-center space-y-3">
-                <div className="h-12 w-12 rounded-full bg-muted" />
-                <div className="space-y-2 w-full flex flex-col items-center">
-                  <div className="h-5 bg-muted rounded w-24" />
-                  <div className="h-4 bg-muted rounded w-48" />
-                  <div className="h-4 bg-muted rounded w-40" />
-                </div>
-              </CardContent>
-            </Card>
-          )}
           {hasBankingExtension === true && (
             <Card
               role="button"
diff --git a/components/bookkeeping/AccountCombobox.tsx b/components/bookkeeping/AccountCombobox.tsx
index 94ff0e82..04fbc738 100644
--- a/components/bookkeeping/AccountCombobox.tsx
+++ b/components/bookkeeping/AccountCombobox.tsx
@@ -84,15 +84,19 @@ export default function AccountCombobox({ value, accounts, onChange }: AccountCo
     }
   }, [highlightedIndex, isOpen])
 
-  // Close dropdown when clicking outside
+  // Close dropdown when clicking/tapping outside
   useEffect(() => {
-    function handleClickOutside(e: MouseEvent) {
+    function handleClickOutside(e: MouseEvent | TouchEvent) {
       if (containerRef.current && !containerRef.current.contains(e.target as Node)) {
         setIsOpen(false)
       }
     }
     document.addEventListener('mousedown', handleClickOutside)
-    return () => document.removeEventListener('mousedown', handleClickOutside)
+    document.addEventListener('touchstart', handleClickOutside)
+    return () => {
+      document.removeEventListener('mousedown', handleClickOutside)
+      document.removeEventListener('touchstart', handleClickOutside)
+    }
   }, [])
 
   const selectAccount = useCallback(
diff --git a/components/bookkeeping/AddAccountDialog.tsx b/components/bookkeeping/AddAccountDialog.tsx
index a98d0e0e..837db2a4 100644
--- a/components/bookkeeping/AddAccountDialog.tsx
+++ b/components/bookkeeping/AddAccountDialog.tsx
@@ -146,7 +146,7 @@ export function AddAccountDialog({ open, onOpenChange, onCreated }: AddAccountDi
             </div>
             <div className="space-y-2">
               <Label>Normal saldo</Label>
-              <Select value={normalBalance} onValueChange={(v) => setNormalBalance(v as 'debit' | 'credit')}>
+              <Select value={normalBalance} onValueChange={(v) => { if (v) setNormalBalance(v as 'debit' | 'credit') }}>
                 <SelectTrigger>
                   <SelectValue />
                 </SelectTrigger>
diff --git a/components/customers/CustomerForm.tsx b/components/customers/CustomerForm.tsx
index d1ec7099..97914007 100644
--- a/components/customers/CustomerForm.tsx
+++ b/components/customers/CustomerForm.tsx
@@ -136,7 +136,7 @@ export default function CustomerForm({
           name="customer_type"
           control={control}
           render={({ field }) => (
-            <Select value={field.value} onValueChange={field.onChange}>
+            <Select value={field.value} onValueChange={(v) => { if (v) field.onChange(v) }}>
               <SelectTrigger>
                 <SelectValue placeholder="Välj kundtyp" />
               </SelectTrigger>
diff --git a/components/deadlines/DeadlineForm.tsx b/components/deadlines/DeadlineForm.tsx
index a3b7dcb9..93b5624b 100644
--- a/components/deadlines/DeadlineForm.tsx
+++ b/components/deadlines/DeadlineForm.tsx
@@ -176,7 +176,7 @@ export function DeadlineForm({
               <Label>Typ *</Label>
               <Select
                 value={formData.deadline_type}
-                onValueChange={(v) => updateField('deadline_type', v as DeadlineType)}
+                onValueChange={(v) => { if (v) updateField('deadline_type', v as DeadlineType) }}
               >
                 <SelectTrigger>
                   <SelectValue />
@@ -194,7 +194,7 @@ export function DeadlineForm({
               <Label>Prioritet</Label>
               <Select
                 value={formData.priority}
-                onValueChange={(v) => updateField('priority', v as DeadlinePriority)}
+                onValueChange={(v) => { if (v) updateField('priority', v as DeadlinePriority) }}
               >
                 <SelectTrigger>
                   <SelectValue />
@@ -216,7 +216,7 @@ export function DeadlineForm({
               <Label>Kund (valfritt)</Label>
               <Select
                 value={formData.customer_id || 'none'}
-                onValueChange={(v) => updateField('customer_id', v === 'none' ? '' : v)}
+                onValueChange={(v) => { if (v) updateField('customer_id', v === 'none' ? '' : v) }}
               >
                 <SelectTrigger>
                   <SelectValue placeholder="Välj kund..." />
diff --git a/components/import/BankFileColumnMappingStep.tsx b/components/import/BankFileColumnMappingStep.tsx
index 6ef0e75b..6f36f2e3 100644
--- a/components/import/BankFileColumnMappingStep.tsx
+++ b/components/import/BankFileColumnMappingStep.tsx
@@ -82,7 +82,7 @@ export default function BankFileColumnMappingStep({
           <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
             <div className="space-y-2">
               <Label>Avgränsare</Label>
-              <Select value={delimiter} onValueChange={setDelimiter}>
+              <Select value={delimiter} onValueChange={(v) => { if (v) setDelimiter(v) }}>
                 <SelectTrigger>
                   <SelectValue />
                 </SelectTrigger>
@@ -95,7 +95,7 @@ export default function BankFileColumnMappingStep({
             </div>
             <div className="space-y-2">
               <Label>Decimalavgränsare</Label>
-              <Select value={decimalSep} onValueChange={(v) => setDecimalSep(v as ',' | '.')}>
+              <Select value={decimalSep} onValueChange={(v) => { if (v) setDecimalSep(v as ',' | '.') }}>
                 <SelectTrigger>
                   <SelectValue />
                 </SelectTrigger>
diff --git a/components/onboarding/Step3TaxRegistration.tsx b/components/onboarding/Step3TaxRegistration.tsx
index c60a7a2f..e4b014c7 100644
--- a/components/onboarding/Step3TaxRegistration.tsx
+++ b/components/onboarding/Step3TaxRegistration.tsx
@@ -47,6 +47,13 @@ const schema = z.object({
       })
     }
   }
+  if (data.vat_registered && !data.moms_period) {
+    ctx.addIssue({
+      code: z.ZodIssueCode.custom,
+      message: 'Välj momsredovisningsperiod.',
+      path: ['moms_period'],
+    })
+  }
 })
 
 type FormData = z.infer<typeof schema>
@@ -272,8 +279,8 @@ export default function Step3TaxRegistration({
       ...(firstStart && { first_year_start: firstStart }),
       ...(firstEnd && { first_year_end: firstEnd }),
       vat_registered: data.vat_registered,
-      vat_number: data.vat_number,
-      moms_period: data.moms_period,
+      vat_number: data.vat_registered ? data.vat_number : undefined,
+      moms_period: data.vat_registered ? data.moms_period : undefined,
       accounting_method: data.accounting_method,
     }
 
@@ -431,10 +438,10 @@ export default function Step3TaxRegistration({
                         }
 
                         return (
-                          <div className="grid grid-cols-2 gap-2">
+                          <div className="grid grid-cols-1 sm:grid-cols-2 gap-2">
                             <Select
                               value={startMonth ? startMonth.toString() : ''}
-                              onValueChange={(v) => handleMonthChange(parseInt(v))}
+                              onValueChange={(v) => { if (v) handleMonthChange(parseInt(v)) }}
                             >
                               <SelectTrigger>
                                 <SelectValue placeholder="Månad" />
@@ -447,7 +454,7 @@ export default function Step3TaxRegistration({
                             </Select>
                             <Select
                               value={startYear ? startYear.toString() : ''}
-                              onValueChange={(v) => handleYearChange(parseInt(v))}
+                              onValueChange={(v) => { if (v) handleYearChange(parseInt(v)) }}
                             >
                               <SelectTrigger>
                                 <SelectValue placeholder="År" />
@@ -476,7 +483,7 @@ export default function Step3TaxRegistration({
                       <Label>Räkenskapsåret slutar (månad)</Label>
                       <Select
                         value={abEndMonth.toString()}
-                        onValueChange={(v) => setAbEndMonth(parseInt(v))}
+                        onValueChange={(v) => { if (v) setAbEndMonth(parseInt(v)) }}
                       >
                         <SelectTrigger>
                           <SelectValue placeholder="Välj månad" />
@@ -502,7 +509,7 @@ export default function Step3TaxRegistration({
                         render={({ field }) => (
                           <Select
                             value={field.value || ''}
-                            onValueChange={field.onChange}
+                            onValueChange={(v) => { if (v) field.onChange(v) }}
                           >
                             <SelectTrigger>
                               <SelectValue placeholder="Välj slutdatum" />
@@ -565,7 +572,7 @@ export default function Step3TaxRegistration({
                         render={({ field }) => (
                           <Select
                             value={field.value?.toString() || '12'}
-                            onValueChange={(value) => field.onChange(parseInt(value))}
+                            onValueChange={(v) => { if (v) field.onChange(parseInt(v)) }}
                           >
                             <SelectTrigger>
                               <SelectValue placeholder="Välj månad" />
@@ -644,7 +651,7 @@ export default function Step3TaxRegistration({
               </div>
 
               {vatRegistered && (
-                <div className="space-y-4 pl-7">
+                <div className="space-y-4 pl-0 sm:pl-7">
                   <div className="space-y-2">
                     <Label htmlFor="vat_number">Momsregistreringsnummer</Label>
                     <Input
@@ -680,7 +687,7 @@ export default function Step3TaxRegistration({
                       render={({ field }) => (
                         <Select
                           value={field.value}
-                          onValueChange={field.onChange}
+                          onValueChange={(v) => { if (v) field.onChange(v) }}
                         >
                           <SelectTrigger>
                             <SelectValue placeholder="Välj period" />
@@ -716,7 +723,7 @@ export default function Step3TaxRegistration({
                   render={({ field }) => (
                     <Select
                       value={field.value}
-                      onValueChange={field.onChange}
+                      onValueChange={(v) => { if (v) field.onChange(v) }}
                     >
                       <SelectTrigger>
                         <SelectValue placeholder="Välj metod" />
diff --git a/components/onboarding/Step4PreliminaryTax.tsx b/components/onboarding/Step4PreliminaryTax.tsx
index dead5453..6c7c4211 100644
--- a/components/onboarding/Step4PreliminaryTax.tsx
+++ b/components/onboarding/Step4PreliminaryTax.tsx
@@ -95,7 +95,7 @@ export default function Step4PreliminaryTax({
               </ul>
             </div>
 
-            <div className="flex justify-between pt-4">
+            <div className="flex flex-col-reverse sm:flex-row sm:justify-between gap-3 pt-4">
               <Button
                 type="button"
                 variant="ghost"
@@ -105,17 +105,18 @@ export default function Step4PreliminaryTax({
                 <ArrowLeft className="mr-2 h-4 w-4" />
                 Tillbaka
               </Button>
-              <div className="flex gap-2">
+              <div className="flex flex-col sm:flex-row gap-2">
                 <Button
                   type="button"
                   variant="outline"
                   onClick={onSkip}
                   disabled={isSaving}
+                  className="w-full sm:w-auto"
                 >
                   <SkipForward className="mr-2 h-4 w-4" />
                   Hoppa över
                 </Button>
-                <Button type="submit" disabled={isSaving}>
+                <Button type="submit" disabled={isSaving} className="w-full sm:w-auto">
                   {isSaving ? (
                     <>
                       <Loader2 className="mr-2 h-4 w-4 animate-spin" />
diff --git a/components/onboarding/Step6ConnectBank.tsx b/components/onboarding/Step6ConnectBank.tsx
index 5a6aa003..d4166599 100644
--- a/components/onboarding/Step6ConnectBank.tsx
+++ b/components/onboarding/Step6ConnectBank.tsx
@@ -1,6 +1,5 @@
 'use client'
 
-import { useState } from 'react'
 import { useForm } from 'react-hook-form'
 import { zodResolver } from '@hookform/resolvers/zod'
 import { z } from 'zod'
@@ -179,7 +178,7 @@ export default function Step6ConnectBank({
             </Button>
           </form>
 
-          <div className="flex justify-between pt-4">
+          <div className="flex flex-col-reverse sm:flex-row sm:justify-between gap-3 pt-4">
             <Button
               type="button"
               variant="ghost"
@@ -192,6 +191,7 @@ export default function Step6ConnectBank({
               type="button"
               variant="outline"
               onClick={onSkip}
+              className="w-full sm:w-auto"
             >
               <SkipForward className="mr-2 h-4 w-4" />
               Hoppa över
diff --git a/components/suppliers/SupplierForm.tsx b/components/suppliers/SupplierForm.tsx
index 438dd58f..057ff8c7 100644
--- a/components/suppliers/SupplierForm.tsx
+++ b/components/suppliers/SupplierForm.tsx
@@ -91,7 +91,7 @@ export default function SupplierForm({
           name="supplier_type"
           control={control}
           render={({ field }) => (
-            <Select value={field.value} onValueChange={field.onChange}>
+            <Select value={field.value} onValueChange={(v) => { if (v) field.onChange(v) }}>
               <SelectTrigger>
                 <SelectValue placeholder="Välj typ" />
               </SelectTrigger>
@@ -244,7 +244,7 @@ export default function SupplierForm({
               name="default_currency"
               control={control}
               render={({ field }) => (
-                <Select value={field.value} onValueChange={field.onChange}>
+                <Select value={field.value} onValueChange={(v) => { if (v) field.onChange(v) }}>
                   <SelectTrigger>
                     <SelectValue />
                   </SelectTrigger>
diff --git a/components/transactions/VatTreatmentSelect.tsx b/components/transactions/VatTreatmentSelect.tsx
index 3aa7d8fc..83be9003 100644
--- a/components/transactions/VatTreatmentSelect.tsx
+++ b/components/transactions/VatTreatmentSelect.tsx
@@ -21,7 +21,7 @@ export default function VatTreatmentSelect({
   return (
     <Select
       value={value}
-      onValueChange={(v) => onValueChange(v as VatTreatment | 'none')}
+      onValueChange={(v) => { if (v) onValueChange(v as VatTreatment | 'none') }}
       disabled={disabled}
     >
       <SelectTrigger className="h-9">