Adds account management and subscription features

Introduces new account pages for managing subscriptions, payment methods, and invoice history

Includes:
- Subscription plan selection view
- Payment method display component
- Invoice history table
- Account page layout and styling

Updates main layout to include new CSS files for account management

PlanTempus.Application/Features/Account/Components/InvoiceHistory/Default.cshtml

@@ -0,0 +1,108 @@
+<swp-invoices-card>
+    <swp-invoices-header>
+        <swp-invoices-title>Faktura-historik</swp-invoices-title>
+    </swp-invoices-header>
+
+    <swp-invoice-table>
+        <swp-invoice-table-header>
+            <swp-invoice-row>
+                <swp-invoice-cell>Dato</swp-invoice-cell>
+                <swp-invoice-cell>Fakturanr.</swp-invoice-cell>
+                <swp-invoice-cell>Beløb</swp-invoice-cell>
+                <swp-invoice-cell>Status</swp-invoice-cell>
+                <swp-invoice-cell></swp-invoice-cell>
+            </swp-invoice-row>
+        </swp-invoice-table-header>
+        <swp-invoice-table-body>
+            <swp-invoice-row>
+                <swp-invoice-cell>1. jan 2026</swp-invoice-cell>
+                <swp-invoice-cell class="mono">INV-2026-0001</swp-invoice-cell>
+                <swp-invoice-cell>599,00 kr</swp-invoice-cell>
+                <swp-invoice-cell>
+                    <swp-invoice-status class="paid">
+                        <i class="ph ph-check-circle"></i>
+                        Betalt
+                    </swp-invoice-status>
+                </swp-invoice-cell>
+                <swp-invoice-cell>
+                    <swp-download-btn>
+                        <i class="ph ph-download"></i>
+                        PDF
+                    </swp-download-btn>
+                </swp-invoice-cell>
+            </swp-invoice-row>
+
+            <swp-invoice-row>
+                <swp-invoice-cell>1. dec 2025</swp-invoice-cell>
+                <swp-invoice-cell class="mono">INV-2025-0012</swp-invoice-cell>
+                <swp-invoice-cell>599,00 kr</swp-invoice-cell>
+                <swp-invoice-cell>
+                    <swp-invoice-status class="paid">
+                        <i class="ph ph-check-circle"></i>
+                        Betalt
+                    </swp-invoice-status>
+                </swp-invoice-cell>
+                <swp-invoice-cell>
+                    <swp-download-btn>
+                        <i class="ph ph-download"></i>
+                        PDF
+                    </swp-download-btn>
+                </swp-invoice-cell>
+            </swp-invoice-row>
+
+            <swp-invoice-row>
+                <swp-invoice-cell>1. nov 2025</swp-invoice-cell>
+                <swp-invoice-cell class="mono">INV-2025-0011</swp-invoice-cell>
+                <swp-invoice-cell>599,00 kr</swp-invoice-cell>
+                <swp-invoice-cell>
+                    <swp-invoice-status class="paid">
+                        <i class="ph ph-check-circle"></i>
+                        Betalt
+                    </swp-invoice-status>
+                </swp-invoice-cell>
+                <swp-invoice-cell>
+                    <swp-download-btn>
+                        <i class="ph ph-download"></i>
+                        PDF
+                    </swp-download-btn>
+                </swp-invoice-cell>
+            </swp-invoice-row>
+
+            <swp-invoice-row>
+                <swp-invoice-cell>1. okt 2025</swp-invoice-cell>
+                <swp-invoice-cell class="mono">INV-2025-0010</swp-invoice-cell>
+                <swp-invoice-cell>599,00 kr</swp-invoice-cell>
+                <swp-invoice-cell>
+                    <swp-invoice-status class="paid">
+                        <i class="ph ph-check-circle"></i>
+                        Betalt
+                    </swp-invoice-status>
+                </swp-invoice-cell>
+                <swp-invoice-cell>
+                    <swp-download-btn>
+                        <i class="ph ph-download"></i>
+                        PDF
+                    </swp-download-btn>
+                </swp-invoice-cell>
+            </swp-invoice-row>
+
+            <swp-invoice-row>
+                <swp-invoice-cell>1. sep 2025</swp-invoice-cell>
+                <swp-invoice-cell class="mono">INV-2025-0009</swp-invoice-cell>
+                <swp-invoice-cell>599,00 kr</swp-invoice-cell>
+                <swp-invoice-cell>
+                    <swp-invoice-status class="paid">
+                        <i class="ph ph-check-circle"></i>
+                        Betalt
+                    </swp-invoice-status>
+                </swp-invoice-cell>
+                <swp-invoice-cell>
+                    <swp-download-btn>
+                        <i class="ph ph-download"></i>
+                        PDF
+                    </swp-download-btn>
+                </swp-invoice-cell>
+            </swp-invoice-row>
+        </swp-invoice-table-body>
+    </swp-invoice-table>
+</swp-invoices-card>

PlanTempus.Application/Features/Account/Components/InvoiceHistory/InvoiceHistoryViewComponent.cs

@@ -0,0 +1,15 @@
+using Microsoft.AspNetCore.Mvc;
+
+namespace PlanTempus.Application.Features.Account.Components;
+
+/// <summary>
+/// ViewComponent for the invoice history table.
+/// Shows past invoices with status and download options.
+/// </summary>
+public class InvoiceHistoryViewComponent : ViewComponent
+{
+    public IViewComponentResult Invoke()
+    {
+        return View();
+    }
+}

PlanTempus.Application/Features/Account/Components/PaymentMethod/Default.cshtml

@@ -0,0 +1,40 @@
+<swp-payment-card>
+    <swp-payment-method>
+        <swp-payment-icon>
+            <i class="ph ph-credit-card"></i>
+        </swp-payment-icon>
+        <swp-payment-info>
+            <swp-payment-type>Visa</swp-payment-type>
+            <swp-payment-number>**** **** **** 4582</swp-payment-number>
+        </swp-payment-info>
+        <swp-btn class="secondary sm">
+            <i class="ph ph-pencil"></i>
+            Skift
+        </swp-btn>
+    </swp-payment-method>
+
+    <swp-payment-detail>
+        <swp-payment-label>Betalingsfrekvens</swp-payment-label>
+        <swp-payment-value>Månedlig</swp-payment-value>
+    </swp-payment-detail>
+
+    <swp-payment-detail>
+        <swp-payment-label>Næste betaling</swp-payment-label>
+        <swp-payment-value class="highlight">1. februar 2026</swp-payment-value>
+    </swp-payment-detail>
+
+    <swp-payment-detail>
+        <swp-payment-label>Beløb</swp-payment-label>
+        <swp-payment-value>599,00 kr</swp-payment-value>
+    </swp-payment-detail>
+
+    <swp-payment-detail>
+        <swp-payment-label>Kortudløb</swp-payment-label>
+        <swp-payment-value>08/2027</swp-payment-value>
+    </swp-payment-detail>
+
+    <swp-btn class="outline" style="margin-top: var(--spacing-2);">
+        <i class="ph ph-arrows-clockwise"></i>
+        Skift til årlig betaling (spar 15%)
+    </swp-btn>
+</swp-payment-card>

PlanTempus.Application/Features/Account/Components/PaymentMethod/PaymentMethodViewComponent.cs

@@ -0,0 +1,15 @@
+using Microsoft.AspNetCore.Mvc;
+
+namespace PlanTempus.Application.Features.Account.Components;
+
+/// <summary>
+/// ViewComponent for the payment method display.
+/// Shows current card info, payment frequency, and next payment date.
+/// </summary>
+public class PaymentMethodViewComponent : ViewComponent
+{
+    public IViewComponentResult Invoke()
+    {
+        return View();
+    }
+}

PlanTempus.Application/Features/Account/Components/SubscriptionPlans/Default.cshtml

@@ -0,0 +1,66 @@
+@using PlanTempus.Application.Features.Accounts.Models
+@model IEnumerable<PlanInfo>
+
+@{
+    var currentPlanKey = (string)ViewBag.CurrentPlanKey;
+}
+
+<swp-plan-grid>
+    @foreach (var plan in Model)
+    {
+        var isCurrent = plan.Key == currentPlanKey;
+        var cardClass = plan.Key switch
+        {
+            "enterprise" => isCurrent ? "enterprise current" : "enterprise",
+            _ => isCurrent ? "current" : ""
+        };
+
+        var badgeClass = isCurrent ? "current" : plan.BadgeClass;
+        var badgeText = isCurrent ? "Nuværende plan" : plan.BadgeText;
+        var badgeIcon = isCurrent ? "ph-check" : plan.BadgeIcon;
+
+        var buttonText = isCurrent
+            ? "Nuværende plan"
+            : plan.IsContactSales
+                ? "Kontakt salg"
+                : $"Skift til {plan.Name}";
+
+        var buttonClass = isCurrent
+            ? "secondary"
+            : plan.IsContactSales
+                ? "outline"
+                : "secondary";
+
+        <swp-plan-card class="@cardClass">
+            <swp-plan-badge class="@badgeClass">
+                <i class="ph @badgeIcon"></i>
+                @badgeText
+            </swp-plan-badge>
+            <swp-plan-name>@plan.Name</swp-plan-name>
+            <swp-plan-users>@plan.UserRange</swp-plan-users>
+            <swp-plan-price>
+                @if (plan.PricePerMonth.HasValue)
+                {
+                    <swp-plan-price-amount>@plan.PriceDisplay</swp-plan-price-amount>
+                    <swp-plan-price-period>kr/md</swp-plan-price-period>
+                }
+                else
+                {
+                    <swp-plan-price-amount>Kontakt os</swp-plan-price-amount>
+                }
+            </swp-plan-price>
+            <swp-plan-features>
+                @foreach (var feature in plan.Features)
+                {
+                    <swp-plan-feature>
+                        <i class="ph ph-check-circle"></i>
+                        @feature
+                    </swp-plan-feature>
+                }
+            </swp-plan-features>
+            <swp-plan-action>
+                <swp-btn class="@buttonClass">@buttonText</swp-btn>
+            </swp-plan-action>
+        </swp-plan-card>
+    }
+</swp-plan-grid>

PlanTempus.Application/Features/Account/Components/SubscriptionPlans/SubscriptionPlansViewComponent.cs

@@ -0,0 +1,21 @@
+using Microsoft.AspNetCore.Mvc;
+using PlanTempus.Application.Features.Accounts.Models;
+
+namespace PlanTempus.Application.Features.Account.Components;
+
+/// <summary>
+/// ViewComponent for the subscription plan selection grid.
+/// Shows all available plans with the current plan highlighted.
+/// </summary>
+public class SubscriptionPlansViewComponent : ViewComponent
+{
+    public IViewComponentResult Invoke()
+    {
+        var plans = PlanCatalog.GetAllPlans();
+        // Mock: current plan is "pro"
+        var currentPlanKey = "pro";
+
+        ViewBag.CurrentPlanKey = currentPlanKey;
+        return View(plans);
+    }
+}

PlanTempus.Application/Features/Account/Pages/Index.cshtml

@@ -0,0 +1,45 @@
+@page "/konto"
+@using PlanTempus.Application.Features.Account.Pages
+@model PlanTempus.Application.Features.Account.Pages.IndexModel
+@{
+    ViewData["Title"] = "Abonnement & Konto";
+}
+
+<swp-page-container>
+
+    <!-- Page Header -->
+    <swp-page-header>
+        <swp-page-title>
+            <h1>Abonnement & Konto</h1>
+            <p>Administrer dit abonnement og betalingsinfo</p>
+        </swp-page-title>
+    </swp-page-header>
+
+    <!-- Subscription Section -->
+    <swp-account-section>
+        <swp-account-section-header>
+            <swp-account-section-title>
+                <i class="ph ph-crown"></i>
+                Dit abonnement
+            </swp-account-section-title>
+        </swp-account-section-header>
+
+        @await Component.InvokeAsync("SubscriptionPlans")
+    </swp-account-section>
+
+    <!-- Billing Section -->
+    <swp-account-section>
+        <swp-account-section-header>
+            <swp-account-section-title>
+                <i class="ph ph-credit-card"></i>
+                Betaling & Fakturaer
+            </swp-account-section-title>
+        </swp-account-section-header>
+
+        <swp-billing-grid>
+            @await Component.InvokeAsync("PaymentMethod")
+            @await Component.InvokeAsync("InvoiceHistory")
+        </swp-billing-grid>
+    </swp-account-section>
+
+</swp-page-container>

PlanTempus.Application/Features/Account/Pages/Index.cshtml.cs

@@ -0,0 +1,10 @@
+using Microsoft.AspNetCore.Mvc.RazorPages;
+
+namespace PlanTempus.Application.Features.Account.Pages;
+
+public class IndexModel : PageModel
+{
+    public void OnGet()
+    {
+    }
+}

PlanTempus.Application/Features/Menu/Services/MockMenuService.cs

@@ -176,7 +176,7 @@ public class MockMenuService : IMenuService
                         Id = "account",
                         Label = "Abonnement & Konto",
                         Icon = "ph-credit-card",
-                        Url = "/poc-konto.html",
+                        Url = "/konto",
                         MinimumRole = UserRole.Admin,
                         SortOrder = 2
                     }

PlanTempus.Application/Features/_Shared/Pages/_Layout.cshtml

@@ -25,6 +25,8 @@
     <link rel="stylesheet" href="~/css/waitlist.css">
     <link rel="stylesheet" href="~/css/tabs.css">
     <link rel="stylesheet" href="~/css/cash.css">
+    <link rel="stylesheet" href="~/css/auth.css">
+    <link rel="stylesheet" href="~/css/account.css">
     @await RenderSectionAsync("Styles", required: false)
 </head>
 <body class="has-demo-banner">

PlanTempus.Application/wwwroot/css/account.css

@@ -0,0 +1,401 @@
+/**
+ * Account Styles - Subscription & Billing Management
+ *
+ * For logged-in users to manage their subscription plan,
+ * payment method, and view invoice history.
+ */
+
+/* ===========================================
+   SECTION STYLING
+   =========================================== */
+swp-account-section {
+  display: block;
+  margin-bottom: var(--spacing-8);
+}
+
+swp-account-section-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: var(--spacing-4);
+}
+
+swp-account-section-title {
+  display: flex;
+  align-items: center;
+  gap: var(--spacing-3);
+  font-size: var(--font-size-lg);
+  font-weight: var(--font-weight-semibold);
+  color: var(--color-text);
+}
+
+swp-account-section-title i {
+  font-size: 22px;
+  color: var(--color-teal);
+}
+
+/* ===========================================
+   PLAN GRID
+   =========================================== */
+swp-plan-grid {
+  display: grid;
+  grid-template-columns: repeat(3, 1fr);
+  gap: var(--spacing-5);
+}
+
+@media (max-width: 1024px) {
+  swp-plan-grid {
+    grid-template-columns: 1fr;
+  }
+}
+
+/* Plan card current state (extends auth.css) */
+swp-plan-card.current {
+  border-color: var(--color-teal);
+  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-teal) 15%, transparent);
+}
+
+swp-plan-badge.current {
+  background: color-mix(in srgb, var(--color-teal) 15%, transparent);
+  color: var(--color-teal);
+}
+
+/* Disabled button for current plan */
+swp-plan-card.current swp-btn.secondary {
+  background: var(--color-background-alt);
+  color: var(--color-text-secondary);
+  cursor: default;
+  pointer-events: none;
+}
+
+/* Enterprise plan styling */
+swp-plan-card.enterprise {
+  background: linear-gradient(135deg, var(--color-surface) 0%, color-mix(in srgb, var(--color-purple) 5%, var(--color-surface)) 100%);
+  border-color: var(--color-purple);
+}
+
+swp-plan-badge.popular {
+  background: color-mix(in srgb, var(--color-amber) 15%, transparent);
+  color: var(--color-amber);
+}
+
+/* Plan action buttons */
+swp-plan-action {
+  margin-top: auto;
+  padding-top: var(--spacing-5);
+}
+
+swp-plan-action swp-btn {
+  width: 100%;
+  justify-content: center;
+}
+
+/* ===========================================
+   BILLING GRID (2 columns)
+   =========================================== */
+swp-billing-grid {
+  display: grid;
+  grid-template-columns: 380px 1fr;
+  gap: var(--spacing-6);
+}
+
+@media (max-width: 1024px) {
+  swp-billing-grid {
+    grid-template-columns: 1fr;
+  }
+}
+
+/* ===========================================
+   PAYMENT CARD
+   =========================================== */
+swp-payment-card {
+  display: flex;
+  flex-direction: column;
+  gap: var(--spacing-5);
+  background: var(--color-surface);
+  border-radius: var(--radius-lg);
+  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
+  padding: var(--spacing-6);
+}
+
+swp-payment-method {
+  display: flex;
+  align-items: center;
+  gap: var(--spacing-4);
+  padding: var(--spacing-4);
+  background: var(--color-background-alt);
+  border-radius: var(--radius-md);
+}
+
+swp-payment-icon {
+  width: 48px;
+  height: 32px;
+  background: var(--color-surface);
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-sm);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  flex-shrink: 0;
+}
+
+swp-payment-icon i {
+  font-size: 24px;
+  color: var(--color-blue);
+}
+
+swp-payment-info {
+  flex: 1;
+  min-width: 0;
+}
+
+swp-payment-type {
+  display: block;
+  font-size: var(--font-size-base);
+  font-weight: var(--font-weight-semibold);
+  color: var(--color-text);
+  margin-bottom: 2px;
+}
+
+swp-payment-number {
+  display: block;
+  font-size: var(--font-size-sm);
+  color: var(--color-text-secondary);
+  font-family: var(--font-mono);
+}
+
+swp-payment-detail {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: var(--spacing-3) 0;
+  border-bottom: 1px solid var(--color-border);
+}
+
+swp-payment-detail:last-of-type {
+  border-bottom: none;
+}
+
+swp-payment-label {
+  font-size: var(--font-size-sm);
+  color: var(--color-text-secondary);
+}
+
+swp-payment-value {
+  font-size: var(--font-size-base);
+  font-weight: var(--font-weight-medium);
+  color: var(--color-text);
+}
+
+swp-payment-value.highlight {
+  color: var(--color-teal);
+}
+
+/* ===========================================
+   INVOICES CARD
+   =========================================== */
+swp-invoices-card {
+  display: block;
+  background: var(--color-surface);
+  border-radius: var(--radius-lg);
+  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
+  overflow: hidden;
+}
+
+swp-invoices-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: var(--spacing-4) var(--spacing-5);
+  border-bottom: 1px solid var(--color-border);
+}
+
+swp-invoices-title {
+  font-size: var(--font-size-base);
+  font-weight: var(--font-weight-semibold);
+  color: var(--color-text);
+}
+
+/* ===========================================
+   INVOICE TABLE (Grid + Subgrid)
+   =========================================== */
+swp-invoice-table {
+  display: grid;
+  grid-template-columns: 100px minmax(120px, 1fr) 100px 100px 80px;
+}
+
+swp-invoice-table-header {
+  display: grid;
+  grid-column: 1 / -1;
+  grid-template-columns: subgrid;
+  background: var(--color-background-alt);
+}
+
+swp-invoice-table-body {
+  display: grid;
+  grid-column: 1 / -1;
+  grid-template-columns: subgrid;
+}
+
+swp-invoice-row {
+  display: grid;
+  grid-column: 1 / -1;
+  grid-template-columns: subgrid;
+  align-items: center;
+  border-bottom: 1px solid var(--color-border);
+  transition: background var(--transition-fast);
+}
+
+swp-invoice-table-body swp-invoice-row:hover {
+  background: var(--color-background-hover);
+}
+
+swp-invoice-row:last-child {
+  border-bottom: none;
+}
+
+swp-invoice-cell {
+  padding: var(--spacing-3) var(--spacing-4);
+  font-size: var(--font-size-sm);
+  color: var(--color-text);
+}
+
+swp-invoice-cell:first-child {
+  padding-left: var(--spacing-5);
+}
+
+swp-invoice-cell:last-child {
+  padding-right: var(--spacing-5);
+}
+
+/* Header cells */
+swp-invoice-table-header swp-invoice-cell {
+  font-size: var(--font-size-xs);
+  font-weight: var(--font-weight-semibold);
+  text-transform: uppercase;
+  letter-spacing: 0.5px;
+  color: var(--color-text-secondary);
+  padding-top: var(--spacing-3);
+  padding-bottom: var(--spacing-3);
+}
+
+/* Invoice number mono font */
+swp-invoice-cell.mono {
+  font-family: var(--font-mono);
+  font-size: var(--font-size-xs);
+}
+
+/* ===========================================
+   INVOICE STATUS BADGES
+   =========================================== */
+swp-invoice-status {
+  display: inline-flex;
+  align-items: center;
+  gap: var(--spacing-2);
+  padding: var(--spacing-1) var(--spacing-3);
+  font-size: var(--font-size-xs);
+  font-weight: var(--font-weight-medium);
+  border-radius: var(--radius-sm);
+}
+
+swp-invoice-status.paid {
+  background: color-mix(in srgb, var(--color-green) 15%, transparent);
+  color: var(--color-green);
+}
+
+swp-invoice-status.pending {
+  background: color-mix(in srgb, var(--color-amber) 15%, transparent);
+  color: var(--color-amber);
+}
+
+swp-invoice-status.overdue {
+  background: color-mix(in srgb, var(--color-red) 15%, transparent);
+  color: var(--color-red);
+}
+
+swp-invoice-status i {
+  font-size: 14px;
+}
+
+/* ===========================================
+   DOWNLOAD BUTTON
+   =========================================== */
+swp-download-btn {
+  display: inline-flex;
+  align-items: center;
+  gap: var(--spacing-2);
+  padding: var(--spacing-2) var(--spacing-3);
+  font-size: var(--font-size-xs);
+  font-weight: var(--font-weight-medium);
+  color: var(--color-teal);
+  background: transparent;
+  border: 1px solid var(--color-teal);
+  border-radius: var(--radius-sm);
+  cursor: pointer;
+  transition: all var(--transition-fast);
+}
+
+swp-download-btn:hover {
+  background: color-mix(in srgb, var(--color-teal) 10%, transparent);
+}
+
+swp-download-btn i {
+  font-size: 14px;
+}
+
+/* ===========================================
+   BUTTONS (account-specific)
+   =========================================== */
+swp-btn.secondary {
+  background: var(--color-surface);
+  border: 1px solid var(--color-border);
+  color: var(--color-text);
+}
+
+swp-btn.secondary:hover {
+  background: var(--color-background-hover);
+}
+
+swp-btn.outline {
+  background: transparent;
+  border: 1px solid var(--color-teal);
+  color: var(--color-teal);
+}
+
+swp-btn.outline:hover {
+  background: color-mix(in srgb, var(--color-teal) 10%, transparent);
+}
+
+swp-btn.sm {
+  padding: var(--spacing-2) var(--spacing-3);
+  font-size: var(--font-size-xs);
+}
+
+swp-btn.sm i {
+  font-size: 14px;
+}
+
+/* ===========================================
+   RESPONSIVE
+   =========================================== */
+@media (max-width: 768px) {
+  swp-invoice-table {
+    grid-template-columns: 80px minmax(100px, 1fr) 80px 80px 70px;
+  }
+
+  swp-invoice-cell {
+    padding: var(--spacing-2) var(--spacing-3);
+  }
+
+  swp-invoice-cell:first-child {
+    padding-left: var(--spacing-4);
+  }
+
+  swp-invoice-cell:last-child {
+    padding-right: var(--spacing-4);
+  }
+
+  swp-payment-card {
+    padding: var(--spacing-4);
+  }
+}