Created more components

Htmx.ApiDemo/Properties/launchSettings.json

@@ -4,8 +4,8 @@
     "http": {
       "commandName": "Project",
       "dotnetRunMessages": true,
-      "launchBrowser": true,
+      "launchBrowser": false,
-      "launchUrl": "todos",
+      "launchUrl": "/",
       "applicationUrl": "http://localhost:5120",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"

Htmx.ApiDemo/Templates/Components/Accordion.htmx

@@ -0,0 +1,3 @@
+<div class="accordion-root w-full" id="$$Id$$">
+  $$Items$$
+</div>

Htmx.ApiDemo/Templates/Components/Accordion.htmx.cs

@@ -0,0 +1,55 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// shadcn-style Accordion. Items collapse/expand client-side via components.js.
+/// Pass a list of (Title, Content) tuples; set openIndex to expand one by default (-1 = all closed).
+/// </summary>
+public sealed class Accordion : AccordionBase
+{
+    private const string ChevronSvg =
+        """<svg class="accordion-chevron h-4 w-4 shrink-0 transition-transform duration-200" """ +
+        """xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" """ +
+        """stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="m6 9 6 6 6-6"/></svg>""";
+
+    private readonly byte[] _idData;
+    private readonly byte[] _itemsData;
+
+    public Accordion(string id, IEnumerable<(string Title, string Content)> items, int openIndex = -1)
+    {
+        _idData = id.ToUtf8Bytes();
+
+        var list = items.ToList();
+        var sb   = new System.Text.StringBuilder();
+
+        for (int i = 0; i < list.Count; i++)
+        {
+            var (title, content) = list[i];
+            var expanded = i == openIndex;
+            var height   = expanded ? "auto" : "0";
+            var opacity  = expanded ? "1" : "0";
+
+            sb.Append($"""
+                <div class="accordion-item border-b border-border">
+                  <h3 class="flex">
+                    <button type="button"
+                            class="accordion-trigger flex flex-1 items-center justify-between py-4 font-medium
+                                   transition-all hover:underline text-left"
+                            aria-expanded="{(expanded ? "true" : "false")}">
+                      {title}
+                      {ChevronSvg}
+                    </button>
+                  </h3>
+                  <div class="accordion-panel overflow-hidden text-sm transition-all duration-200"
+                       style="height:{height};opacity:{opacity}">
+                    <div class="pb-4 pt-0">{content}</div>
+                  </div>
+                </div>
+                """);
+        }
+
+        _itemsData = sb.ToString().ToUtf8Bytes();
+    }
+
+    protected override void RenderId(HtmxRenderContext ctx)    => ctx.Writer.WriteUtf8(_idData);
+    protected override void RenderItems(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_itemsData);
+}

Htmx.ApiDemo/Templates/Components/Alert.htmx

@@ -0,0 +1,7 @@
+<div role="alert" class="$$Classes$$">
+  $$Icon$$
+  <div>
+    $$Title$$
+    $$Description$$
+  </div>
+</div>

Htmx.ApiDemo/Templates/Components/Alert.htmx.cs

@@ -0,0 +1,40 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// shadcn-style Alert component.
+/// Variant: default | destructive
+/// </summary>
+public sealed class Alert : AlertBase
+{
+    private static readonly Dictionary<string, string> VariantClasses = new()
+    {
+        ["default"]     = "relative w-full rounded-lg border border-border bg-background p-4 " +
+                          "[&>svg~*]:pl-7 [&>svg+div]:translate-y-[-3px] [&>svg]:absolute [&>svg]:left-4 [&>svg]:top-4 [&>svg]:text-foreground",
+        ["destructive"] = "relative w-full rounded-lg border border-destructive/50 p-4 text-destructive " +
+                          "[&>svg~*]:pl-7 [&>svg+div]:translate-y-[-3px] [&>svg]:absolute [&>svg]:left-4 [&>svg]:top-4 [&>svg]:text-destructive",
+    };
+
+    private readonly byte[] _classesData;
+    private readonly byte[] _iconData;
+    private readonly byte[] _titleData;
+    private readonly byte[] _descriptionData;
+
+    public Alert(
+        string title,
+        string description = "",
+        string variant     = "default",
+        string icon        = "")
+    {
+        _classesData     = VariantClasses.GetValueOrDefault(variant, VariantClasses["default"]).ToUtf8Bytes();
+        _iconData        = icon.ToUtf8Bytes();
+        _titleData       = $"""<h5 class="mb-1 font-medium leading-none tracking-tight">{title}</h5>""".ToUtf8Bytes();
+        _descriptionData = string.IsNullOrEmpty(description)
+            ? []
+            : $"""<div class="text-sm [&_p]:leading-relaxed">{description}</div>""".ToUtf8Bytes();
+    }
+
+    protected override void RenderClasses(HtmxRenderContext ctx)     => ctx.Writer.WriteUtf8(_classesData);
+    protected override void RenderIcon(HtmxRenderContext ctx)        => ctx.Writer.WriteUtf8(_iconData);
+    protected override void RenderTitle(HtmxRenderContext ctx)       => ctx.Writer.WriteUtf8(_titleData);
+    protected override void RenderDescription(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_descriptionData);
+}

Htmx.ApiDemo/Templates/Components/Avatar.htmx

@@ -0,0 +1,3 @@
+<span class="relative flex $$SizeClasses$$ shrink-0 overflow-hidden rounded-full">
+  $$Content$$
+</span>

Htmx.ApiDemo/Templates/Components/Avatar.htmx.cs

@@ -0,0 +1,31 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// shadcn-style Avatar component. Shows an image or falls back to initials.
+/// Size: sm (h-8 w-8) | default (h-10 w-10) | lg (h-14 w-14) | xl (h-20 w-20)
+/// </summary>
+public sealed class Avatar : AvatarBase
+{
+    private static readonly Dictionary<string, string> Sizes = new()
+    {
+        ["sm"]      = "h-8 w-8",
+        ["default"] = "h-10 w-10",
+        ["lg"]      = "h-14 w-14",
+        ["xl"]      = "h-20 w-20",
+    };
+
+    private readonly byte[] _sizeClassesData;
+    private readonly byte[] _contentData;
+
+    public Avatar(string fallback, string? src = null, string size = "default")
+    {
+        _sizeClassesData = Sizes.GetValueOrDefault(size, Sizes["default"]).ToUtf8Bytes();
+
+        _contentData = !string.IsNullOrEmpty(src)
+            ? $"""<img src="{src}" alt="{fallback}" class="aspect-square h-full w-full object-cover" />""".ToUtf8Bytes()
+            : $"""<span class="flex h-full w-full items-center justify-center rounded-full bg-muted text-muted-foreground text-sm font-medium select-none">{fallback}</span>""".ToUtf8Bytes();
+    }
+
+    protected override void RenderSizeClasses(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_sizeClassesData);
+    protected override void RenderContent(HtmxRenderContext ctx)     => ctx.Writer.WriteUtf8(_contentData);
+}

Htmx.ApiDemo/Templates/Components/Badge.htmx

@@ -0,0 +1 @@
+<span class="$$Classes$$">$$Text$$</span>

Htmx.ApiDemo/Templates/Components/Badge.htmx.cs

@@ -0,0 +1,33 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// shadcn-style Badge component.
+/// Variant: default | secondary | destructive | outline
+/// </summary>
+public sealed class Badge : BadgeBase
+{
+    private static readonly Dictionary<string, string> VariantClasses = new()
+    {
+        ["default"]     = "bg-primary text-primary-foreground hover:bg-primary/80",
+        ["secondary"]   = "bg-secondary text-secondary-foreground hover:bg-secondary/80",
+        ["destructive"] = "bg-destructive text-destructive-foreground hover:bg-destructive/80",
+        ["outline"]     = "text-foreground border border-input hover:bg-accent",
+    };
+
+    private const string BaseClasses =
+        "inline-flex items-center rounded-full px-2.5 py-0.5 text-xs font-semibold transition-colors " +
+        "focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2";
+
+    private readonly byte[] _textData;
+    private readonly byte[] _classesData;
+
+    public Badge(string text, string variant = "default")
+    {
+        _textData    = text.ToUtf8Bytes();
+        var v        = VariantClasses.GetValueOrDefault(variant, VariantClasses["default"]);
+        _classesData = $"{BaseClasses} {v}".ToUtf8Bytes();
+    }
+
+    protected override void RenderText(HtmxRenderContext ctx)    => ctx.Writer.WriteUtf8(_textData);
+    protected override void RenderClasses(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_classesData);
+}

Htmx.ApiDemo/Templates/Components/Breadcrumb.htmx

@@ -0,0 +1,5 @@
+<nav aria-label="Breadcrumb">
+  <ol class="flex flex-wrap items-center gap-1.5 wrap-break-word text-sm text-muted-foreground">
+    $$Items$$
+  </ol>
+</nav>

Htmx.ApiDemo/Templates/Components/Breadcrumb.htmx.cs

@@ -0,0 +1,42 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// shadcn-style Breadcrumb navigation.
+/// Pass items as (Label, Href) tuples — empty Href renders a non-linked span.
+/// The last item is always rendered as the current page (non-linked, foreground colour).
+/// </summary>
+public sealed class Breadcrumb : BreadcrumbBase
+{
+    private const string ChevronSvg =
+        """<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="h-3.5 w-3.5"><path d="m9 18 6-6-6-6"/></svg>""";
+
+    private readonly byte[] _itemsData;
+
+    public Breadcrumb(IEnumerable<(string Label, string Href)> items)
+    {
+        var list = items.ToList();
+        var sb   = new System.Text.StringBuilder();
+
+        for (int i = 0; i < list.Count; i++)
+        {
+            var (label, href) = list[i];
+            bool isLast = i == list.Count - 1;
+
+            sb.Append("""<li class="inline-flex items-center gap-1.5">""");
+
+            if (isLast || string.IsNullOrEmpty(href))
+                sb.Append($"""<span class="{(isLast ? "font-normal text-foreground" : "")}">{label}</span>""");
+            else
+                sb.Append($"""<a href="{href}" class="hover:text-foreground transition-colors">{label}</a>""");
+
+            if (!isLast)
+                sb.Append($"""<span role="presentation" aria-hidden="true">{ChevronSvg}</span>""");
+
+            sb.Append("</li>");
+        }
+
+        _itemsData = sb.ToString().ToUtf8Bytes();
+    }
+
+    protected override void RenderItems(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_itemsData);
+}

Htmx.ApiDemo/Templates/Components/Card.htmx

@@ -0,0 +1,5 @@
+<div class="rounded-lg border border-border bg-card text-card-foreground shadow-sm $$ExtraClasses$$">
+  $$Header$$
+  <div class="p-6 pt-0">$$Content$$</div>
+  $$Footer$$
+</div>

Htmx.ApiDemo/Templates/Components/Card.htmx.cs

@@ -0,0 +1,48 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// shadcn-style Card component with optional header (title + description) and footer.
+/// </summary>
+public sealed class Card : CardBase
+{
+    private readonly byte[] _extraClassesData;
+    private readonly byte[] _headerData;
+    private readonly byte[] _contentData;
+    private readonly byte[] _footerData;
+
+    public Card(
+        string content,
+        string title        = "",
+        string description  = "",
+        string footer       = "",
+        string extraClasses = "")
+    {
+        _extraClassesData = extraClasses.ToUtf8Bytes();
+        _contentData      = content.ToUtf8Bytes();
+
+        _headerData = (string.IsNullOrEmpty(title) && string.IsNullOrEmpty(description))
+            ? []
+            : BuildHeader(title, description);
+
+        _footerData = string.IsNullOrEmpty(footer)
+            ? []
+            : $"""<div class="flex items-center p-6 pt-0">{footer}</div>""".ToUtf8Bytes();
+    }
+
+    private static byte[] BuildHeader(string title, string description)
+    {
+        var sb = new System.Text.StringBuilder();
+        sb.Append("""<div class="flex flex-col space-y-1.5 p-6">""");
+        if (!string.IsNullOrEmpty(title))
+            sb.Append($"""<h3 class="text-2xl font-semibold leading-none tracking-tight">{title}</h3>""");
+        if (!string.IsNullOrEmpty(description))
+            sb.Append($"""<p class="text-sm text-muted-foreground">{description}</p>""");
+        sb.Append("</div>");
+        return sb.ToString().ToUtf8Bytes();
+    }
+
+    protected override void RenderExtraClasses(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_extraClassesData);
+    protected override void RenderHeader(HtmxRenderContext ctx)       => ctx.Writer.WriteUtf8(_headerData);
+    protected override void RenderContent(HtmxRenderContext ctx)      => ctx.Writer.WriteUtf8(_contentData);
+    protected override void RenderFooter(HtmxRenderContext ctx)       => ctx.Writer.WriteUtf8(_footerData);
+}

Htmx.ApiDemo/Templates/Components/Checkbox.htmx

@@ -0,0 +1,13 @@
+<div class="flex items-center gap-2">
+  <input
+    type="checkbox"
+    id="$$Id$$"
+    name="$$Name$$"
+    value="$$Value$$"
+    $$Checked$$
+    class="h-4 w-4 shrink-0 rounded-sm border border-input ring-offset-background
+           focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring
+           focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50
+           accent-primary cursor-pointer" />
+  $$Label$$
+</div>

Htmx.ApiDemo/Templates/Components/Checkbox.htmx.cs

@@ -0,0 +1,35 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// shadcn-style Checkbox with an optional label.
+/// </summary>
+public sealed class Checkbox : CheckboxBase
+{
+    private readonly byte[] _idData;
+    private readonly byte[] _nameData;
+    private readonly byte[] _valueData;
+    private readonly byte[] _checkedData;
+    private readonly byte[] _labelData;
+
+    public Checkbox(
+        string id,
+        string label    = "",
+        string name     = "",
+        string value    = "true",
+        bool   @checked = false)
+    {
+        _idData      = id.ToUtf8Bytes();
+        _nameData    = (string.IsNullOrEmpty(name) ? id : name).ToUtf8Bytes();
+        _valueData   = value.ToUtf8Bytes();
+        _checkedData = (@checked ? "checked" : "").ToUtf8Bytes();
+        _labelData   = string.IsNullOrEmpty(label)
+            ? []
+            : $"""<label for="{id}" class="text-sm font-medium leading-none cursor-pointer peer-disabled:cursor-not-allowed peer-disabled:opacity-70">{label}</label>""".ToUtf8Bytes();
+    }
+
+    protected override void RenderId(HtmxRenderContext ctx)      => ctx.Writer.WriteUtf8(_idData);
+    protected override void RenderName(HtmxRenderContext ctx)    => ctx.Writer.WriteUtf8(_nameData);
+    protected override void RenderValue(HtmxRenderContext ctx)   => ctx.Writer.WriteUtf8(_valueData);
+    protected override void RenderChecked(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_checkedData);
+    protected override void RenderLabel(HtmxRenderContext ctx)   => ctx.Writer.WriteUtf8(_labelData);
+}

Htmx.ApiDemo/Templates/Components/Dialog.htmx

@@ -0,0 +1,11 @@
+<dialog id="dlg-$$Id$$"
+        class="dialog-root rounded-lg border border-border bg-background p-0 shadow-lg
+               fixed left-1/2 top-1/2 m-0 w-full max-w-lg -translate-x-1/2 -translate-y-1/2
+               backdrop:bg-black/50 backdrop:backdrop-blur-sm
+               open:block">
+  <div class="flex flex-col gap-4 p-6">
+    $$Header$$
+    <div class="text-sm text-muted-foreground">$$Content$$</div>
+    $$Footer$$
+  </div>
+</dialog>

Htmx.ApiDemo/Templates/Components/Dialog.htmx.cs

@@ -0,0 +1,55 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// shadcn-style Dialog using the native HTML &lt;dialog&gt; element.
+/// Open with data-dialog-open="id" on any button; close with data-dialog-close or .dialog-close.
+/// JS wiring is in components.js.
+/// </summary>
+public sealed class Dialog : DialogBase
+{
+    private readonly byte[] _idData;
+    private readonly byte[] _headerData;
+    private readonly byte[] _contentData;
+    private readonly byte[] _footerData;
+
+    public Dialog(
+        string id,
+        string content,
+        string title       = "",
+        string description = "",
+        string footer      = "")
+    {
+        _idData      = id.ToUtf8Bytes();
+        _contentData = content.ToUtf8Bytes();
+
+        _headerData = (string.IsNullOrEmpty(title) && string.IsNullOrEmpty(description))
+            ? []
+            : BuildHeader(id, title, description);
+
+        _footerData = string.IsNullOrEmpty(footer)
+            ? []
+            : $"""<div class="flex justify-end gap-2">{footer}</div>""".ToUtf8Bytes();
+    }
+
+    private static byte[] BuildHeader(string id, string title, string description)
+    {
+        var sb = new System.Text.StringBuilder();
+        sb.Append("""<div class="flex items-start justify-between gap-4">""");
+        sb.Append("""<div class="flex flex-col gap-1.5">""");
+        if (!string.IsNullOrEmpty(title))
+            sb.Append($"""<h2 class="text-lg font-semibold leading-none tracking-tight">{title}</h2>""");
+        if (!string.IsNullOrEmpty(description))
+            sb.Append($"""<p class="text-sm text-muted-foreground">{description}</p>""");
+        sb.Append("</div>");
+        sb.Append("""<button type="button" data-dialog-close class="dialog-close rounded-sm opacity-70 ring-offset-background transition-opacity hover:opacity-100 focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2" aria-label="Close">""");
+        sb.Append("""<svg class="h-4 w-4" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M18 6 6 18"/><path d="m6 6 12 12"/></svg>""");
+        sb.Append("</button>");
+        sb.Append("</div>");
+        return sb.ToString().ToUtf8Bytes();
+    }
+
+    protected override void RenderId(HtmxRenderContext ctx)      => ctx.Writer.WriteUtf8(_idData);
+    protected override void RenderHeader(HtmxRenderContext ctx)  => ctx.Writer.WriteUtf8(_headerData);
+    protected override void RenderContent(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_contentData);
+    protected override void RenderFooter(HtmxRenderContext ctx)  => ctx.Writer.WriteUtf8(_footerData);
+}

Htmx.ApiDemo/Templates/Components/DropdownMenu.htmx

@@ -0,0 +1,9 @@
+<div class="dropdown-root relative inline-block">
+  <div class="dropdown-trigger $$TriggerClasses$$" role="button" tabindex="0" aria-haspopup="menu" aria-expanded="false">
+    $$Trigger$$
+  </div>
+  <div class="dropdown-content hidden absolute $$Position$$ z-50 min-w-40 rounded-md border border-border
+              bg-popover p-1 text-popover-foreground shadow-md" role="menu">
+    $$Items$$
+  </div>
+</div>

Htmx.ApiDemo/Templates/Components/DropdownMenu.htmx.cs

@@ -0,0 +1,55 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// CSS-native DropdownMenu using &lt;details&gt;/&lt;summary&gt;.
+/// Position: "left-0 top-full mt-1" (default) | "right-0 top-full mt-1" | etc.
+/// Items: pre-built HTML — use BuildItem() helper for consistent styling.
+/// </summary>
+public sealed class DropdownMenu : DropdownMenuBase
+{
+    private const string ItemClasses =
+        "relative flex w-full cursor-pointer select-none items-center rounded-sm px-2 py-1.5 text-sm " +
+        "outline-none transition-colors hover:bg-accent hover:text-accent-foreground " +
+        "focus:bg-accent focus:text-accent-foreground disabled:pointer-events-none disabled:opacity-50";
+
+    private readonly byte[] _triggerClassesData;
+    private readonly byte[] _triggerData;
+    private readonly byte[] _positionData;
+    private readonly byte[] _itemsData;
+
+    public DropdownMenu(
+        IHtmxComponent trigger,
+        IEnumerable<(string Label, string Href, bool IsSeparator)> items,
+        string position = "left-0 top-full mt-1")
+    {
+        // Render trigger to bytes
+        var writer = new System.Buffers.ArrayBufferWriter<byte>();
+        trigger.Render(new HtmxRenderContext(writer));
+        _triggerData        = writer.WrittenSpan.ToArray();
+        _triggerClassesData = []; // trigger already supplies its own classes
+        _positionData       = position.ToUtf8Bytes();
+
+        var sb = new System.Text.StringBuilder();
+        foreach (var (label, href, isSeparator) in items)
+        {
+            if (isSeparator)
+            {
+                sb.Append("""<div class="-mx-1 my-1 h-px bg-border"></div>""");
+            }
+            else if (string.IsNullOrEmpty(href))
+            {
+                sb.Append($"""<button type="button" class="{ItemClasses}">{label}</button>""");
+            }
+            else
+            {
+                sb.Append($"""<a href="{href}" class="{ItemClasses}">{label}</a>""");
+            }
+        }
+        _itemsData = sb.ToString().ToUtf8Bytes();
+    }
+
+    protected override void RenderTriggerClasses(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_triggerClassesData);
+    protected override void RenderTrigger(HtmxRenderContext ctx)        => ctx.Writer.WriteUtf8(_triggerData);
+    protected override void RenderPosition(HtmxRenderContext ctx)       => ctx.Writer.WriteUtf8(_positionData);
+    protected override void RenderItems(HtmxRenderContext ctx)          => ctx.Writer.WriteUtf8(_itemsData);
+}

Htmx.ApiDemo/Templates/Components/FileInput.htmx

@@ -0,0 +1,18 @@
+<div class="flex flex-col gap-1.5">
+  $$Label$$
+  <input
+    id="$$Id$$"
+    name="$$Name$$"
+    type="file"
+    $$Accept$$
+    $$Multiple$$
+    class="flex h-10 w-full rounded-md border border-input bg-background px-3 py-2 text-sm
+           ring-offset-background
+           file:border-0 file:bg-transparent file:text-sm file:font-medium file:text-foreground
+           placeholder:text-muted-foreground
+           focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring
+           focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50 $$ExtraClasses$$"
+    $$HxAttrs$$
+  />
+  $$Description$$
+</div>

Htmx.ApiDemo/Templates/Components/FileInput.htmx.cs

@@ -0,0 +1,51 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// shadcn-style FileInput component with optional label and description.
+/// </summary>
+public sealed class FileInput : FileInputBase
+{
+    private readonly byte[] _idData;
+    private readonly byte[] _nameData;
+    private readonly byte[] _acceptData;
+    private readonly byte[] _multipleData;
+    private readonly byte[] _labelData;
+    private readonly byte[] _descriptionData;
+    private readonly byte[] _extraClassesData;
+    private readonly byte[] _hxAttrsData;
+
+    public FileInput(
+        string id,
+        string name        = "",
+        string accept      = "",
+        bool   multiple    = false,
+        string label       = "",
+        string description = "",
+        string extraClasses = "",
+        string hxAttrs     = "")
+    {
+        _idData           = id.ToUtf8Bytes();
+        _nameData         = (string.IsNullOrEmpty(name) ? id : name).ToUtf8Bytes();
+        _acceptData       = string.IsNullOrEmpty(accept) ? [] : $"""accept="{accept}" """.ToUtf8Bytes();
+        _multipleData     = multiple ? "multiple".ToUtf8Bytes() : [];
+        _extraClassesData = extraClasses.ToUtf8Bytes();
+        _hxAttrsData      = hxAttrs.ToUtf8Bytes();
+
+        _labelData = string.IsNullOrEmpty(label)
+            ? []
+            : $"""<label for="{id}" class="text-sm font-medium leading-none">{label}</label>""".ToUtf8Bytes();
+
+        _descriptionData = string.IsNullOrEmpty(description)
+            ? []
+            : $"""<p class="text-xs text-muted-foreground">{description}</p>""".ToUtf8Bytes();
+    }
+
+    protected override void RenderId(HtmxRenderContext ctx)           => ctx.Writer.WriteUtf8(_idData);
+    protected override void RenderName(HtmxRenderContext ctx)         => ctx.Writer.WriteUtf8(_nameData);
+    protected override void RenderAccept(HtmxRenderContext ctx)       => ctx.Writer.WriteUtf8(_acceptData);
+    protected override void RenderMultiple(HtmxRenderContext ctx)     => ctx.Writer.WriteUtf8(_multipleData);
+    protected override void RenderLabel(HtmxRenderContext ctx)        => ctx.Writer.WriteUtf8(_labelData);
+    protected override void RenderDescription(HtmxRenderContext ctx)  => ctx.Writer.WriteUtf8(_descriptionData);
+    protected override void RenderExtraClasses(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_extraClassesData);
+    protected override void RenderHxAttrs(HtmxRenderContext ctx)      => ctx.Writer.WriteUtf8(_hxAttrsData);
+}

Htmx.ApiDemo/Templates/Components/Pagination.htmx

@@ -0,0 +1,5 @@
+<nav aria-label="Pagination" class="flex items-center gap-1">
+  $$Prev$$
+  $$Pages$$
+  $$Next$$
+</nav>

Htmx.ApiDemo/Templates/Components/Pagination.htmx.cs

@@ -0,0 +1,49 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// shadcn-style Pagination. Generates prev/next and page-number buttons.
+/// urlPattern: format string where {0} is replaced by the page number, e.g. "/items?page={0}"
+/// </summary>
+public sealed class Pagination : PaginationBase
+{
+    private const string BtnBase =
+        "inline-flex items-center justify-center rounded-md border border-input bg-background " +
+        "px-3 h-9 text-sm font-medium ring-offset-background transition-colors " +
+        "hover:bg-accent hover:text-accent-foreground " +
+        "focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 " +
+        "disabled:pointer-events-none disabled:opacity-50";
+
+    private const string ActiveBtn =
+        "inline-flex items-center justify-center rounded-md bg-primary text-primary-foreground " +
+        "px-3 h-9 text-sm font-medium ring-offset-background " +
+        "focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2";
+
+    private readonly byte[] _prevData;
+    private readonly byte[] _pagesData;
+    private readonly byte[] _nextData;
+
+    public Pagination(int current, int total, string urlPattern = "?page={0}")
+    {
+        _prevData = current <= 1
+            ? $"""<button type="button" class="{BtnBase}" disabled aria-label="Previous page">&#8249;</button>""".ToUtf8Bytes()
+            : $"""<a href="{string.Format(urlPattern, current - 1)}" class="{BtnBase}" aria-label="Previous page">&#8249;</a>""".ToUtf8Bytes();
+
+        _nextData = current >= total
+            ? $"""<button type="button" class="{BtnBase}" disabled aria-label="Next page">&#8250;</button>""".ToUtf8Bytes()
+            : $"""<a href="{string.Format(urlPattern, current + 1)}" class="{BtnBase}" aria-label="Next page">&#8250;</a>""".ToUtf8Bytes();
+
+        var sb = new System.Text.StringBuilder();
+        for (int p = 1; p <= total; p++)
+        {
+            if (p == current)
+                sb.Append($"""<span class="{ActiveBtn}" aria-current="page">{p}</span>""");
+            else
+                sb.Append($"""<a href="{string.Format(urlPattern, p)}" class="{BtnBase}">{p}</a>""");
+        }
+        _pagesData = sb.ToString().ToUtf8Bytes();
+    }
+
+    protected override void RenderPrev(HtmxRenderContext ctx)  => ctx.Writer.WriteUtf8(_prevData);
+    protected override void RenderPages(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_pagesData);
+    protected override void RenderNext(HtmxRenderContext ctx)  => ctx.Writer.WriteUtf8(_nextData);
+}

Htmx.ApiDemo/Templates/Components/Progress.htmx

@@ -0,0 +1,4 @@
+<div class="relative $$HeightClass$$ w-full overflow-hidden rounded-full bg-secondary"
+     role="progressbar" aria-valuenow="$$ValueNow$$" aria-valuemin="0" aria-valuemax="100">
+  <div class="h-full bg-primary transition-all duration-300" style="width:$$ValueNow$$%"></div>
+</div>

Htmx.ApiDemo/Templates/Components/Progress.htmx.cs

@@ -0,0 +1,26 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// shadcn-style Progress bar. Value is clamped to 0–100.
+/// Size: sm (h-2) | default (h-4) | lg (h-6)
+/// </summary>
+public sealed class Progress : ProgressBase
+{
+    private readonly byte[] _valueNowData;
+    private readonly byte[] _heightClassData;
+
+    public Progress(int value = 0, string size = "default")
+    {
+        var clamped      = Math.Clamp(value, 0, 100);
+        _valueNowData    = clamped.ToString().ToUtf8Bytes();
+        _heightClassData = size switch
+        {
+            "sm" => "h-2".ToUtf8Bytes(),
+            "lg" => "h-6".ToUtf8Bytes(),
+            _    => "h-4".ToUtf8Bytes(),
+        };
+    }
+
+    protected override void RenderValueNow(HtmxRenderContext ctx)    => ctx.Writer.WriteUtf8(_valueNowData);
+    protected override void RenderHeightClass(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_heightClassData);
+}

Htmx.ApiDemo/Templates/Components/RadioGroup.htmx

@@ -0,0 +1,6 @@
+<div class="flex flex-col gap-2">
+  $$GroupLabel$$
+  <div class="flex $$Direction$$ gap-3" role="radiogroup">
+    $$Items$$
+  </div>
+</div>

Htmx.ApiDemo/Templates/Components/RadioGroup.htmx.cs

@@ -0,0 +1,46 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// shadcn-style RadioGroup.
+/// Direction: flex-col | flex-row
+/// </summary>
+public sealed class RadioGroup : RadioGroupBase
+{
+    private readonly byte[] _groupLabelData;
+    private readonly byte[] _directionData;
+    private readonly byte[] _itemsData;
+
+    public RadioGroup(
+        string name,
+        IEnumerable<(string Value, string Label, bool Selected)> options,
+        string label     = "",
+        string direction = "flex-col")
+    {
+        _groupLabelData = string.IsNullOrEmpty(label)
+            ? []
+            : $"""<span class="text-sm font-medium leading-none">{label}</span>""".ToUtf8Bytes();
+
+        _directionData = direction.ToUtf8Bytes();
+
+        var sb = new System.Text.StringBuilder();
+        foreach (var (value, optLabel, selected) in options)
+        {
+            var optId = $"{name}-{value}";
+            var sel   = selected ? " checked" : "";
+            sb.Append($"""
+                <label class="flex items-center gap-2 cursor-pointer text-sm">
+                  <input type="radio" id="{optId}" name="{name}" value="{value}"{sel}
+                         class="h-4 w-4 border border-input accent-primary
+                                focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring
+                                disabled:cursor-not-allowed disabled:opacity-50" />
+                  {optLabel}
+                </label>
+                """);
+        }
+        _itemsData = sb.ToString().ToUtf8Bytes();
+    }
+
+    protected override void RenderGroupLabel(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_groupLabelData);
+    protected override void RenderDirection(HtmxRenderContext ctx)  => ctx.Writer.WriteUtf8(_directionData);
+    protected override void RenderItems(HtmxRenderContext ctx)      => ctx.Writer.WriteUtf8(_itemsData);
+}

Htmx.ApiDemo/Templates/Components/Separator.htmx

@@ -0,0 +1 @@
+<div class="$$Classes$$" role="separator" aria-orientation="$$Orientation$$"></div>

Htmx.ApiDemo/Templates/Components/Separator.htmx.cs

@@ -0,0 +1,24 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// shadcn-style Separator component.
+/// Orientation: horizontal | vertical
+/// </summary>
+public sealed class Separator : SeparatorBase
+{
+    private readonly byte[] _classesData;
+    private readonly byte[] _orientationData;
+
+    public Separator(string orientation = "horizontal", string extraClasses = "")
+    {
+        var cls = orientation == "vertical"
+            ? $"inline-block h-full w-px bg-border {extraClasses}"
+            : $"block h-px w-full bg-border {extraClasses}";
+
+        _classesData     = cls.Trim().ToUtf8Bytes();
+        _orientationData = orientation.ToUtf8Bytes();
+    }
+
+    protected override void RenderClasses(HtmxRenderContext ctx)     => ctx.Writer.WriteUtf8(_classesData);
+    protected override void RenderOrientation(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_orientationData);
+}

Htmx.ApiDemo/Templates/Components/Skeleton.htmx

@@ -0,0 +1 @@
+<div class="animate-pulse rounded-md bg-muted $$Classes$$"></div>

Htmx.ApiDemo/Templates/Components/Skeleton.htmx.cs

@@ -0,0 +1,17 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// shadcn-style Skeleton loading placeholder.
+/// Pass size classes via the classes parameter, e.g. "h-4 w-48" or "h-10 w-full".
+/// </summary>
+public sealed class Skeleton : SkeletonBase
+{
+    private readonly byte[] _classesData;
+
+    public Skeleton(string classes = "h-4 w-full")
+    {
+        _classesData = classes.ToUtf8Bytes();
+    }
+
+    protected override void RenderClasses(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_classesData);
+}

Htmx.ApiDemo/Templates/Components/Slider.htmx

@@ -0,0 +1,17 @@
+<div class="flex flex-col gap-2">
+  $$Label$$
+  <input
+    type="range"
+    id="$$Id$$"
+    name="$$Name$$"
+    min="$$Min$$"
+    max="$$Max$$"
+    step="$$Step$$"
+    value="$$Value$$"
+    class="h-2 w-full cursor-pointer appearance-none rounded-full bg-secondary accent-primary
+           focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring
+           focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50 $$ExtraClasses$$"
+    $$HxAttrs$$
+  />
+  $$Description$$
+</div>

Htmx.ApiDemo/Templates/Components/Slider.htmx.cs

@@ -0,0 +1,59 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// shadcn-style Slider (range input) with optional label and description.
+/// </summary>
+public sealed class Slider : SliderBase
+{
+    private readonly byte[] _idData;
+    private readonly byte[] _nameData;
+    private readonly byte[] _minData;
+    private readonly byte[] _maxData;
+    private readonly byte[] _stepData;
+    private readonly byte[] _valueData;
+    private readonly byte[] _labelData;
+    private readonly byte[] _descriptionData;
+    private readonly byte[] _extraClassesData;
+    private readonly byte[] _hxAttrsData;
+
+    public Slider(
+        string id,
+        string name        = "",
+        int    min         = 0,
+        int    max         = 100,
+        int    step        = 1,
+        int    value       = 50,
+        string label       = "",
+        string description = "",
+        string extraClasses = "",
+        string hxAttrs     = "")
+    {
+        _idData           = id.ToUtf8Bytes();
+        _nameData         = (string.IsNullOrEmpty(name) ? id : name).ToUtf8Bytes();
+        _minData          = min.ToString().ToUtf8Bytes();
+        _maxData          = max.ToString().ToUtf8Bytes();
+        _stepData         = step.ToString().ToUtf8Bytes();
+        _valueData        = value.ToString().ToUtf8Bytes();
+        _extraClassesData = extraClasses.ToUtf8Bytes();
+        _hxAttrsData      = hxAttrs.ToUtf8Bytes();
+
+        _labelData = string.IsNullOrEmpty(label)
+            ? []
+            : $"""<label for="{id}" class="text-sm font-medium leading-none">{label}</label>""".ToUtf8Bytes();
+
+        _descriptionData = string.IsNullOrEmpty(description)
+            ? []
+            : $"""<p class="text-xs text-muted-foreground">{description}</p>""".ToUtf8Bytes();
+    }
+
+    protected override void RenderId(HtmxRenderContext ctx)           => ctx.Writer.WriteUtf8(_idData);
+    protected override void RenderName(HtmxRenderContext ctx)         => ctx.Writer.WriteUtf8(_nameData);
+    protected override void RenderMin(HtmxRenderContext ctx)          => ctx.Writer.WriteUtf8(_minData);
+    protected override void RenderMax(HtmxRenderContext ctx)          => ctx.Writer.WriteUtf8(_maxData);
+    protected override void RenderStep(HtmxRenderContext ctx)         => ctx.Writer.WriteUtf8(_stepData);
+    protected override void RenderValue(HtmxRenderContext ctx)        => ctx.Writer.WriteUtf8(_valueData);
+    protected override void RenderLabel(HtmxRenderContext ctx)        => ctx.Writer.WriteUtf8(_labelData);
+    protected override void RenderDescription(HtmxRenderContext ctx)  => ctx.Writer.WriteUtf8(_descriptionData);
+    protected override void RenderExtraClasses(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_extraClassesData);
+    protected override void RenderHxAttrs(HtmxRenderContext ctx)      => ctx.Writer.WriteUtf8(_hxAttrsData);
+}

Htmx.ApiDemo/Templates/Components/Switch.htmx

@@ -0,0 +1,10 @@
+<label class="inline-flex items-center gap-3 cursor-pointer">
+  <input type="checkbox" id="$$Id$$" name="$$Name$$" $$Checked$$
+         value="true" class="sr-only switch-checkbox" />
+  <span class="switch-track relative inline-flex h-6 w-11 shrink-0 items-center rounded-full
+               bg-input transition-colors duration-200">
+    <span class="switch-thumb pointer-events-none block h-5 w-5 rounded-full bg-white
+                 shadow-lg ring-0 transition-transform duration-200 translate-x-0.5"></span>
+  </span>
+  $$Label$$
+</label>

Htmx.ApiDemo/Templates/Components/Switch.htmx.cs

@@ -0,0 +1,32 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// shadcn-style Switch (toggle). Rendered as a styled checkbox.
+/// JS in components.js handles the visual on/off state.
+/// </summary>
+public sealed class Switch : SwitchBase
+{
+    private readonly byte[] _idData;
+    private readonly byte[] _nameData;
+    private readonly byte[] _checkedData;
+    private readonly byte[] _labelData;
+
+    public Switch(
+        string id,
+        string label     = "",
+        string name      = "",
+        bool   isChecked = false)
+    {
+        _idData      = id.ToUtf8Bytes();
+        _nameData    = (string.IsNullOrEmpty(name) ? id : name).ToUtf8Bytes();
+        _checkedData = (isChecked ? "checked" : "").ToUtf8Bytes();
+        _labelData   = string.IsNullOrEmpty(label)
+            ? []
+            : $"""<span class="text-sm font-medium leading-none">{label}</span>""".ToUtf8Bytes();
+    }
+
+    protected override void RenderId(HtmxRenderContext ctx)      => ctx.Writer.WriteUtf8(_idData);
+    protected override void RenderName(HtmxRenderContext ctx)    => ctx.Writer.WriteUtf8(_nameData);
+    protected override void RenderChecked(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_checkedData);
+    protected override void RenderLabel(HtmxRenderContext ctx)   => ctx.Writer.WriteUtf8(_labelData);
+}

Htmx.ApiDemo/Templates/Components/Table.htmx

@@ -0,0 +1,14 @@
+<div class="w-full overflow-auto rounded-md border border-border">
+  <table class="w-full caption-bottom text-sm">
+    $$Caption$$
+    <thead>
+      <tr class="border-b border-border bg-muted/50 transition-colors">
+        $$Headers$$
+      </tr>
+    </thead>
+    <tbody class="divide-y divide-border">
+      $$Rows$$
+    </tbody>
+    $$Footer$$
+  </table>
+</div>

Htmx.ApiDemo/Templates/Components/Table.htmx.cs

@@ -0,0 +1,50 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// shadcn-style Table component.
+/// Headers: column header strings.
+/// Rows: each row is an IEnumerable of cell strings.
+/// Caption and Footer are optional.
+/// </summary>
+public sealed class Table : TableBase
+{
+    private readonly byte[] _captionData;
+    private readonly byte[] _headersData;
+    private readonly byte[] _rowsData;
+    private readonly byte[] _footerData;
+
+    public Table(
+        IEnumerable<string> headers,
+        IEnumerable<IEnumerable<string>> rows,
+        string caption = "",
+        string footer  = "")
+    {
+        _captionData = string.IsNullOrEmpty(caption)
+            ? []
+            : $"""<caption class="mt-4 text-sm text-muted-foreground">{caption}</caption>""".ToUtf8Bytes();
+
+        var hSb = new System.Text.StringBuilder();
+        foreach (var h in headers)
+            hSb.Append($"""<th class="h-12 px-4 text-left align-middle font-medium text-muted-foreground [&:has([role=checkbox])]:pr-0">{h}</th>""");
+        _headersData = hSb.ToString().ToUtf8Bytes();
+
+        var rSb = new System.Text.StringBuilder();
+        foreach (var row in rows)
+        {
+            rSb.Append("""<tr class="border-b border-border transition-colors hover:bg-muted/50">""");
+            foreach (var cell in row)
+                rSb.Append($"""<td class="p-4 align-middle [&:has([role=checkbox])]:pr-0">{cell}</td>""");
+            rSb.Append("</tr>");
+        }
+        _rowsData = rSb.ToString().ToUtf8Bytes();
+
+        _footerData = string.IsNullOrEmpty(footer)
+            ? []
+            : $"""<tfoot><tr class="border-t border-border font-medium"><td colspan="99" class="p-4">{footer}</td></tr></tfoot>""".ToUtf8Bytes();
+    }
+
+    protected override void RenderCaption(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_captionData);
+    protected override void RenderHeaders(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_headersData);
+    protected override void RenderRows(HtmxRenderContext ctx)    => ctx.Writer.WriteUtf8(_rowsData);
+    protected override void RenderFooter(HtmxRenderContext ctx)  => ctx.Writer.WriteUtf8(_footerData);
+}

Htmx.ApiDemo/Templates/Components/Tabs.htmx

@@ -0,0 +1,7 @@
+<div class="tabs-root w-full" id="tabs-$$Id$$">
+  <div class="inline-flex h-10 w-full items-center justify-start rounded-md bg-muted p-1 text-muted-foreground"
+       role="tablist">
+    $$TabsList$$
+  </div>
+  $$TabsPanels$$
+</div>

Htmx.ApiDemo/Templates/Components/Tabs.htmx.cs

@@ -0,0 +1,54 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// shadcn-style Tabs component. Tabs are activated client-side via components.js.
+/// Pass a list of (Id, Label, Content) tuples.
+/// </summary>
+public sealed class Tabs : TabsBase
+{
+    private readonly byte[] _idData;
+    private readonly byte[] _tabsListData;
+    private readonly byte[] _tabsPanelsData;
+
+    private const string TriggerBase =
+        "tabs-trigger inline-flex items-center justify-center whitespace-nowrap rounded-sm " +
+        "px-3 py-1.5 text-sm font-medium ring-offset-background transition-all " +
+        "focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring " +
+        "focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50";
+
+    private const string PanelBase =
+        "tabs-panel mt-2 ring-offset-background " +
+        "focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2";
+
+    public Tabs(string id, IEnumerable<(string Id, string Label, string Content)> tabs)
+    {
+        _idData = id.ToUtf8Bytes();
+
+        var tabList   = tabs.ToList();
+        var triggerSb = new System.Text.StringBuilder();
+        var panelSb   = new System.Text.StringBuilder();
+
+        foreach (var (tabId, label, content) in tabList)
+        {
+            triggerSb.Append($"""
+                <button type="button" role="tab" aria-selected="false" aria-controls="tabpanel-{tabId}"
+                        class="{TriggerBase}">
+                  {label}
+                </button>
+                """);
+
+            panelSb.Append($"""
+                <div id="tabpanel-{tabId}" role="tabpanel" class="{PanelBase}">
+                  {content}
+                </div>
+                """);
+        }
+
+        _tabsListData   = triggerSb.ToString().ToUtf8Bytes();
+        _tabsPanelsData = panelSb.ToString().ToUtf8Bytes();
+    }
+
+    protected override void RenderId(HtmxRenderContext ctx)         => ctx.Writer.WriteUtf8(_idData);
+    protected override void RenderTabsList(HtmxRenderContext ctx)   => ctx.Writer.WriteUtf8(_tabsListData);
+    protected override void RenderTabsPanels(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_tabsPanelsData);
+}

Htmx.ApiDemo/Templates/Components/Textarea.htmx

@@ -0,0 +1,15 @@
+<div class="flex flex-col gap-1.5">
+  $$Label$$
+  <textarea
+    id="$$Id$$"
+    name="$$Name$$"
+    rows="$$Rows$$"
+    placeholder="$$Placeholder$$"
+    class="flex w-full rounded-md border border-input bg-background px-3 py-2 text-sm
+           ring-offset-background placeholder:text-muted-foreground
+           focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring
+           focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50
+           resize-y min-h-20 $$ExtraClasses$$"
+    $$HxAttrs$$>$$DefaultValue$$</textarea>
+  $$Description$$
+</div>

Htmx.ApiDemo/Templates/Components/Textarea.htmx.cs

@@ -0,0 +1,55 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// shadcn-style Textarea component with optional label and description.
+/// </summary>
+public sealed class Textarea : TextareaBase
+{
+    private readonly byte[] _idData;
+    private readonly byte[] _nameData;
+    private readonly byte[] _rowsData;
+    private readonly byte[] _placeholderData;
+    private readonly byte[] _labelData;
+    private readonly byte[] _descriptionData;
+    private readonly byte[] _defaultValueData;
+    private readonly byte[] _extraClassesData;
+    private readonly byte[] _hxAttrsData;
+
+    public Textarea(
+        string id,
+        string name         = "",
+        string placeholder  = "",
+        string label        = "",
+        string description  = "",
+        string defaultValue = "",
+        string extraClasses = "",
+        string hxAttrs      = "",
+        int    rows         = 4)
+    {
+        _idData           = id.ToUtf8Bytes();
+        _nameData         = (string.IsNullOrEmpty(name) ? id : name).ToUtf8Bytes();
+        _rowsData         = rows.ToString().ToUtf8Bytes();
+        _placeholderData  = placeholder.ToUtf8Bytes();
+        _extraClassesData = extraClasses.ToUtf8Bytes();
+        _hxAttrsData      = hxAttrs.ToUtf8Bytes();
+        _defaultValueData = defaultValue.ToUtf8Bytes();
+
+        _labelData = string.IsNullOrEmpty(label)
+            ? []
+            : $"""<label for="{id}" class="text-sm font-medium leading-none peer-disabled:cursor-not-allowed peer-disabled:opacity-70">{label}</label>""".ToUtf8Bytes();
+
+        _descriptionData = string.IsNullOrEmpty(description)
+            ? []
+            : $"""<p class="text-xs text-muted-foreground">{description}</p>""".ToUtf8Bytes();
+    }
+
+    protected override void RenderId(HtmxRenderContext ctx)           => ctx.Writer.WriteUtf8(_idData);
+    protected override void RenderName(HtmxRenderContext ctx)         => ctx.Writer.WriteUtf8(_nameData);
+    protected override void RenderRows(HtmxRenderContext ctx)         => ctx.Writer.WriteUtf8(_rowsData);
+    protected override void RenderPlaceholder(HtmxRenderContext ctx)  => ctx.Writer.WriteUtf8(_placeholderData);
+    protected override void RenderLabel(HtmxRenderContext ctx)        => ctx.Writer.WriteUtf8(_labelData);
+    protected override void RenderDescription(HtmxRenderContext ctx)  => ctx.Writer.WriteUtf8(_descriptionData);
+    protected override void RenderDefaultValue(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_defaultValueData);
+    protected override void RenderExtraClasses(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_extraClassesData);
+    protected override void RenderHxAttrs(HtmxRenderContext ctx)      => ctx.Writer.WriteUtf8(_hxAttrsData);
+}

Htmx.ApiDemo/Templates/Components/Toast.htmx

@@ -0,0 +1,18 @@
+<div class="toast-item pointer-events-auto relative flex w-full items-center justify-between
+            space-x-4 overflow-hidden rounded-md border border-border bg-background p-4
+            shadow-lg transition-all $$ExtraClasses$$"
+     role="alert">
+  <div class="grid gap-1">
+    $$Title$$
+    $$Description$$
+  </div>
+  <button type="button"
+          class="toast-close inline-flex h-8 w-8 shrink-0 items-center justify-center rounded-md
+                 text-muted-foreground hover:text-foreground focus:outline-none focus:ring-1 focus:ring-ring"
+          aria-label="Dismiss">
+    <svg class="h-4 w-4" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none"
+         stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+      <path d="M18 6 6 18"/><path d="m6 6 12 12"/>
+    </svg>
+  </button>
+</div>

Htmx.ApiDemo/Templates/Components/Toast.htmx.cs

@@ -0,0 +1,34 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// shadcn-style Toast notification. Typically created dynamically via window.showToast(),
+/// but can also be server-rendered and injected via htmx.
+/// </summary>
+public sealed class Toast : ToastBase
+{
+    private static readonly Dictionary<string, string> VariantClasses = new()
+    {
+        ["default"]     = "",
+        ["destructive"] = "border-destructive text-destructive",
+    };
+
+    private readonly byte[] _titleData;
+    private readonly byte[] _descriptionData;
+    private readonly byte[] _extraClassesData;
+
+    public Toast(
+        string title,
+        string description = "",
+        string variant     = "default")
+    {
+        _titleData        = $"""<div class="text-sm font-semibold">{title}</div>""".ToUtf8Bytes();
+        _descriptionData  = string.IsNullOrEmpty(description)
+            ? []
+            : $"""<div class="text-sm opacity-90">{description}</div>""".ToUtf8Bytes();
+        _extraClassesData = VariantClasses.GetValueOrDefault(variant, "").ToUtf8Bytes();
+    }
+
+    protected override void RenderTitle(HtmxRenderContext ctx)       => ctx.Writer.WriteUtf8(_titleData);
+    protected override void RenderDescription(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_descriptionData);
+    protected override void RenderExtraClasses(HtmxRenderContext ctx)=> ctx.Writer.WriteUtf8(_extraClassesData);
+}

Htmx.ApiDemo/Templates/Components/ToastViewport.htmx

@@ -0,0 +1,4 @@
+<div class="fixed bottom-4 right-4 z-[100] flex max-h-screen w-full flex-col-reverse gap-2 p-4 sm:flex-col md:max-w-[420px] pointer-events-none toast-viewport"
+     id="$$Id$$">
+  $$Toasts$$
+</div>

Htmx.ApiDemo/Templates/Components/ToastViewport.htmx.cs

@@ -0,0 +1,20 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// Fixed viewport container for toast notifications.
+/// Place once in the page (or layout). Toasts appear via window.showToast() from components.js.
+/// </summary>
+public sealed class ToastViewport : ToastViewportBase
+{
+    private readonly byte[] _idData;
+    private readonly byte[] _toastsData;
+
+    public ToastViewport(string id = "toast-viewport")
+    {
+        _idData     = id.ToUtf8Bytes();
+        _toastsData = [];
+    }
+
+    protected override void RenderId(HtmxRenderContext ctx)     => ctx.Writer.WriteUtf8(_idData);
+    protected override void RenderToasts(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_toastsData);
+}

Htmx.ApiDemo/Templates/Components/Tooltip.htmx

@@ -0,0 +1,9 @@
+<span class="group relative inline-flex items-center">
+  $$Trigger$$
+  <span class="pointer-events-none absolute $$Position$$ z-50 w-max max-w-xs
+               rounded-md bg-popover px-3 py-1.5 text-xs text-popover-foreground
+               shadow-md border border-border whitespace-nowrap
+               opacity-0 group-hover:opacity-100 transition-opacity duration-150">
+    $$Text$$
+  </span>
+</span>

Htmx.ApiDemo/Templates/Components/Tooltip.htmx.cs

@@ -0,0 +1,36 @@
+namespace Htmx.ApiDemo.Templates.Components;
+
+/// <summary>
+/// CSS-only Tooltip using group-hover. Wraps a trigger element.
+/// Position: "top" | "bottom" | "left" | "right" (default: top)
+/// </summary>
+public sealed class Tooltip : TooltipBase
+{
+    private static readonly Dictionary<string, string> PositionClasses = new()
+    {
+        ["top"]    = "bottom-full left-1/2 -translate-x-1/2 mb-2",
+        ["bottom"] = "top-full left-1/2 -translate-x-1/2 mt-2",
+        ["left"]   = "right-full top-1/2 -translate-y-1/2 mr-2",
+        ["right"]  = "left-full top-1/2 -translate-y-1/2 ml-2",
+    };
+
+    private readonly byte[] _triggerData;
+    private readonly byte[] _textData;
+    private readonly byte[] _positionData;
+
+    public Tooltip(string text, IHtmxComponent trigger, string position = "top")
+    {
+        _textData     = text.ToUtf8Bytes();
+        _positionData = PositionClasses.GetValueOrDefault(position, PositionClasses["top"]).ToUtf8Bytes();
+
+        var bufferWriter = new System.IO.Pipelines.Pipe().Writer;
+        // Render trigger to bytes via a simple ArrayBufferWriter
+        var writer = new System.Buffers.ArrayBufferWriter<byte>();
+        trigger.Render(new HtmxRenderContext(writer));
+        _triggerData = writer.WrittenSpan.ToArray();
+    }
+
+    protected override void RenderTrigger(HtmxRenderContext ctx)  => ctx.Writer.WriteUtf8(_triggerData);
+    protected override void RenderText(HtmxRenderContext ctx)     => ctx.Writer.WriteUtf8(_textData);
+    protected override void RenderPosition(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_positionData);
+}

Htmx.ApiDemo/Templates/UiDemo.htmx

@@ -65,4 +65,256 @@
     </div>
   </section>
 
+  <hr class="border-border" />
+
+  <!-- ── Badge ── -->
+  <section>
+    <h2 class="mb-4 text-lg font-semibold text-foreground">Badge</h2>
+    <div class="flex flex-wrap gap-3">
+      $$BadgeDefault$$
+      $$BadgeSecondary$$
+      $$BadgeDestructive$$
+      $$BadgeOutline$$
+    </div>
+  </section>
+
+  <hr class="border-border" />
+
+  <!-- ── Card ── -->
+  <section>
+    <h2 class="mb-4 text-lg font-semibold text-foreground">Card</h2>
+    <div class="max-w-sm">
+      $$CardDemo$$
+    </div>
+  </section>
+
+  <hr class="border-border" />
+
+  <!-- ── Separator ── -->
+  <section>
+    <h2 class="mb-4 text-lg font-semibold text-foreground">Separator</h2>
+    <div class="space-y-4">
+      <p class="text-sm text-muted-foreground">Horizontal</p>
+      $$SeparatorH$$
+      <p class="text-sm text-muted-foreground">Vertical (inline)</p>
+      <div class="flex items-center gap-3 h-5 text-sm">
+        <span>Section</span>
+        $$SeparatorV$$
+        <span>Another</span>
+        $$SeparatorV$$
+        <span>More</span>
+      </div>
+    </div>
+  </section>
+
+  <hr class="border-border" />
+
+  <!-- ── Skeleton ── -->
+  <section>
+    <h2 class="mb-4 text-lg font-semibold text-foreground">Skeleton</h2>
+    <div class="flex flex-col gap-3 max-w-xs">
+      $$SkeletonTitle$$
+      $$SkeletonLine1$$
+      $$SkeletonLine2$$
+      $$SkeletonAvatar$$
+    </div>
+  </section>
+
+  <hr class="border-border" />
+
+  <!-- ── Avatar ── -->
+  <section>
+    <h2 class="mb-4 text-lg font-semibold text-foreground">Avatar</h2>
+    <div class="flex flex-wrap items-center gap-4">
+      $$AvatarSm$$
+      $$AvatarDefault$$
+      $$AvatarLg$$
+      $$AvatarImg$$
+    </div>
+  </section>
+
+  <hr class="border-border" />
+
+  <!-- ── Progress ── -->
+  <section>
+    <h2 class="mb-4 text-lg font-semibold text-foreground">Progress</h2>
+    <div class="flex flex-col gap-4 max-w-md">
+      $$Progress25$$
+      $$Progress60$$
+      $$Progress100$$
+    </div>
+  </section>
+
+  <hr class="border-border" />
+
+  <!-- ── Alert ── -->
+  <section>
+    <h2 class="mb-4 text-lg font-semibold text-foreground">Alert</h2>
+    <div class="flex flex-col gap-3 max-w-lg">
+      $$AlertDefault$$
+      $$AlertDestructive$$
+    </div>
+  </section>
+
+  <hr class="border-border" />
+
+  <!-- ── Breadcrumb ── -->
+  <section>
+    <h2 class="mb-4 text-lg font-semibold text-foreground">Breadcrumb</h2>
+    $$BreadcrumbDemo$$
+  </section>
+
+  <hr class="border-border" />
+
+  <!-- ── Checkbox ── -->
+  <section>
+    <h2 class="mb-4 text-lg font-semibold text-foreground">Checkbox</h2>
+    <div class="flex flex-col gap-3">
+      $$CheckboxAccept$$
+      $$CheckboxChecked$$
+    </div>
+  </section>
+
+  <hr class="border-border" />
+
+  <!-- ── RadioGroup ── -->
+  <section>
+    <h2 class="mb-4 text-lg font-semibold text-foreground">Radio Group</h2>
+    <div class="flex flex-wrap gap-8">
+      $$RadioGroupCol$$
+      $$RadioGroupRow$$
+    </div>
+  </section>
+
+  <hr class="border-border" />
+
+  <!-- ── Switch ── -->
+  <section>
+    <h2 class="mb-4 text-lg font-semibold text-foreground">Switch</h2>
+    <div class="flex flex-col gap-3">
+      $$SwitchOff$$
+      $$SwitchOn$$
+    </div>
+  </section>
+
+  <hr class="border-border" />
+
+  <!-- ── Textarea ── -->
+  <section>
+    <h2 class="mb-4 text-lg font-semibold text-foreground">Textarea</h2>
+    <div class="max-w-md">
+      $$TextareaDemo$$
+    </div>
+  </section>
+
+  <hr class="border-border" />
+
+  <!-- ── Slider ── -->
+  <section>
+    <h2 class="mb-4 text-lg font-semibold text-foreground">Slider</h2>
+    <div class="flex flex-col gap-4 max-w-md">
+      $$SliderDemo$$
+    </div>
+  </section>
+
+  <hr class="border-border" />
+
+  <!-- ── File Input ── -->
+  <section>
+    <h2 class="mb-4 text-lg font-semibold text-foreground">File Input</h2>
+    <div class="max-w-md">
+      $$FileInputDemo$$
+    </div>
+  </section>
+
+  <hr class="border-border" />
+
+  <!-- ── Table ── -->
+  <section>
+    <h2 class="mb-4 text-lg font-semibold text-foreground">Table</h2>
+    $$TableDemo$$
+  </section>
+
+  <hr class="border-border" />
+
+  <!-- ── Pagination ── -->
+  <section>
+    <h2 class="mb-4 text-lg font-semibold text-foreground">Pagination</h2>
+    $$PaginationDemo$$
+  </section>
+
+  <hr class="border-border" />
+
+  <!-- ── Tabs ── -->
+  <section>
+    <h2 class="mb-4 text-lg font-semibold text-foreground">Tabs</h2>
+    <div class="max-w-lg">
+      $$TabsDemo$$
+    </div>
+  </section>
+
+  <hr class="border-border" />
+
+  <!-- ── Accordion ── -->
+  <section>
+    <h2 class="mb-4 text-lg font-semibold text-foreground">Accordion</h2>
+    <div class="max-w-lg">
+      $$AccordionDemo$$
+    </div>
+  </section>
+
+  <hr class="border-border" />
+
+  <!-- ── Tooltip ── -->
+  <section>
+    <h2 class="mb-4 text-lg font-semibold text-foreground">Tooltip</h2>
+    <div class="flex flex-wrap gap-6 items-center pt-4">
+      $$TooltipTop$$
+      $$TooltipBottom$$
+      $$TooltipRight$$
+    </div>
+  </section>
+
+  <hr class="border-border" />
+
+  <!-- ── Toast ── -->
+  <section>
+    <h2 class="mb-4 text-lg font-semibold text-foreground">Toast</h2>
+    <div class="flex flex-wrap gap-3">
+      <button type="button"
+              onclick="showToast({ title: 'Saved!', description: 'Your changes have been saved.' })"
+              class="inline-flex items-center justify-center rounded-md bg-primary text-primary-foreground h-10 px-4 py-2 text-sm font-medium transition-colors hover:bg-primary/90 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring">
+        Show Toast
+      </button>
+      <button type="button"
+              onclick="showToast({ title: 'Error', description: 'Something went wrong.', variant: 'destructive' })"
+              class="inline-flex items-center justify-center rounded-md bg-destructive text-destructive-foreground h-10 px-4 py-2 text-sm font-medium transition-colors hover:bg-destructive/90 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring">
+        Show Error Toast
+      </button>
+    </div>
+  </section>
+
+  <hr class="border-border" />
+
+  <!-- ── Dialog ── -->
+  <section>
+    <h2 class="mb-4 text-lg font-semibold text-foreground">Dialog</h2>
+    <button type="button" data-dialog-open="demo-dialog"
+            class="inline-flex items-center justify-center rounded-md border border-input bg-background h-10 px-4 py-2 text-sm font-medium transition-colors hover:bg-accent hover:text-accent-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring">
+      Open Dialog
+    </button>
+    $$DialogDemo$$
+  </section>
+
+  <hr class="border-border" />
+
+  <!-- ── Dropdown Menu ── -->
+  <section>
+    <h2 class="mb-4 text-lg font-semibold text-foreground">Dropdown Menu</h2>
+    $$DropdownDemo$$
+  </section>
+
+  <!-- Toast viewport (fixed, outside the flow) -->
+  $$ToastViewportDemo$$
+
 </div>

Htmx.ApiDemo/Templates/UiDemo.htmx.cs

@@ -6,6 +6,7 @@ namespace Htmx.ApiDemo.Templates;
 
 public sealed class UiDemo : UiDemoBase
 {
+    // ── Buttons ──────────────────────────────────────────────────────────
     public IHtmxComponent BtnDefault     { get; }
     public IHtmxComponent BtnDestructive { get; }
     public IHtmxComponent BtnOutline     { get; }
@@ -15,19 +16,106 @@ public sealed class UiDemo : UiDemoBase
     public IHtmxComponent BtnSm          { get; }
     public IHtmxComponent BtnLg          { get; }
 
+    // ── Inputs ───────────────────────────────────────────────────────────
     public IHtmxComponent InputText      { get; }
     public IHtmxComponent InputEmail     { get; }
     public IHtmxComponent InputPassword  { get; }
     public IHtmxComponent InputSearch    { get; }
 
+    // ── Select / Calendar / TimePicker ───────────────────────────────────
     public IHtmxComponent SelectDemo         { get; }
     public IHtmxComponent CalendarDemo       { get; }
     public IHtmxComponent CalendarRangeDemo  { get; }
     public IHtmxComponent TimePickerDemo     { get; }
     public IHtmxComponent TimePicker12hDemo  { get; }
 
+    // ── Badge ─────────────────────────────────────────────────────────────
+    public IHtmxComponent BadgeDefault     { get; }
+    public IHtmxComponent BadgeSecondary   { get; }
+    public IHtmxComponent BadgeDestructive { get; }
+    public IHtmxComponent BadgeOutline     { get; }
+
+    // ── Card ──────────────────────────────────────────────────────────────
+    public IHtmxComponent CardDemo { get; }
+
+    // ── Separator ─────────────────────────────────────────────────────────
+    public IHtmxComponent SeparatorH { get; }
+    public IHtmxComponent SeparatorV { get; }
+
+    // ── Skeleton ──────────────────────────────────────────────────────────
+    public IHtmxComponent SkeletonTitle  { get; }
+    public IHtmxComponent SkeletonLine1  { get; }
+    public IHtmxComponent SkeletonLine2  { get; }
+    public IHtmxComponent SkeletonAvatar { get; }
+
+    // ── Avatar ────────────────────────────────────────────────────────────
+    public IHtmxComponent AvatarSm      { get; }
+    public IHtmxComponent AvatarDefault { get; }
+    public IHtmxComponent AvatarLg      { get; }
+    public IHtmxComponent AvatarImg     { get; }
+
+    // ── Progress ──────────────────────────────────────────────────────────
+    public IHtmxComponent Progress25  { get; }
+    public IHtmxComponent Progress60  { get; }
+    public IHtmxComponent Progress100 { get; }
+
+    // ── Alert ─────────────────────────────────────────────────────────────
+    public IHtmxComponent AlertDefault     { get; }
+    public IHtmxComponent AlertDestructive { get; }
+
+    // ── Breadcrumb ────────────────────────────────────────────────────────
+    public IHtmxComponent BreadcrumbDemo { get; }
+
+    // ── Checkbox ──────────────────────────────────────────────────────────
+    public IHtmxComponent CheckboxAccept  { get; }
+    public IHtmxComponent CheckboxChecked { get; }
+
+    // ── RadioGroup ────────────────────────────────────────────────────────
+    public IHtmxComponent RadioGroupCol { get; }
+    public IHtmxComponent RadioGroupRow { get; }
+
+    // ── Switch ────────────────────────────────────────────────────────────
+    public IHtmxComponent SwitchOff { get; }
+    public IHtmxComponent SwitchOn  { get; }
+
+    // ── Textarea ──────────────────────────────────────────────────────────
+    public IHtmxComponent TextareaDemo { get; }
+
+    // ── Slider ────────────────────────────────────────────────────────────
+    public IHtmxComponent SliderDemo { get; }
+
+    // ── FileInput ─────────────────────────────────────────────────────────
+    public IHtmxComponent FileInputDemo { get; }
+
+    // ── Table ─────────────────────────────────────────────────────────────
+    public IHtmxComponent TableDemo { get; }
+
+    // ── Pagination ────────────────────────────────────────────────────────
+    public IHtmxComponent PaginationDemo { get; }
+
+    // ── Tabs ──────────────────────────────────────────────────────────────
+    public IHtmxComponent TabsDemo { get; }
+
+    // ── Accordion ─────────────────────────────────────────────────────────
+    public IHtmxComponent AccordionDemo { get; }
+
+    // ── Tooltip ───────────────────────────────────────────────────────────
+    public IHtmxComponent TooltipTop    { get; }
+    public IHtmxComponent TooltipBottom { get; }
+    public IHtmxComponent TooltipRight  { get; }
+
+    // ── Dialog ────────────────────────────────────────────────────────────
+    public IHtmxComponent DialogDemo { get; }
+
+    // ── Dropdown ──────────────────────────────────────────────────────────
+    public IHtmxComponent DropdownDemo { get; }
+
+    // ── Toast Viewport ────────────────────────────────────────────────────
+    public IHtmxComponent ToastViewportDemo { get; }
+
     public UiDemo()
     {
+        // Buttons
         BtnDefault     = new Button("Default");
         BtnDestructive = new Button("Destructive", variant: "destructive");
         BtnOutline     = new Button("Outline",     variant: "outline");
@@ -37,12 +125,14 @@ public sealed class UiDemo : UiDemoBase
         BtnSm          = new Button("Small",       size: "sm");
         BtnLg          = new Button("Large",       size: "lg");
 
+        // Inputs
         InputText     = new Input("username",  label: "Username",  placeholder: "Enter username");
         InputEmail    = new Input("email",     inputType: "email",    label: "Email",    placeholder: "you@example.com");
         InputPassword = new Input("password",  inputType: "password", label: "Password", placeholder: "••••••••");
         InputSearch   = new Input("search",    inputType: "search",   label: "Search",   placeholder: "Search…",
                                    hxAttrs: "hx-get=\"/search\" hx-trigger=\"keyup changed delay:300ms\" hx-target=\"#search-results\"");
 
+        // Select / Calendar / TimePicker
         SelectDemo = new Select(
             id: "framework",
             label: "Framework",
@@ -52,9 +142,151 @@ public sealed class UiDemo : UiDemoBase
 
         CalendarDemo      = new Calendar(id: "demo-cal", name: "demo-date");
         CalendarRangeDemo = new CalendarRange(id: "demo-calr", name: "demo-range");
-
         TimePickerDemo    = new TimePicker(name: "time-24h", label: "Time (24h)");
         TimePicker12hDemo = new TimePicker(name: "time-12h", label: "Time (12h)", use12h: true);
+
+        // Badge
+        BadgeDefault     = new Badge("Default");
+        BadgeSecondary   = new Badge("Secondary",   variant: "secondary");
+        BadgeDestructive = new Badge("Destructive", variant: "destructive");
+        BadgeOutline     = new Badge("Outline",     variant: "outline");
+
+        // Card
+        CardDemo = new Card(
+            title:       "Component Card",
+            description: "A reusable card surface with header and footer.",
+            content:     "<p class=\"text-sm text-muted-foreground\">Cards group related content and provide a contained, elevated surface for information.</p>",
+            footer:      "<button type=\"button\" class=\"inline-flex items-center justify-center rounded-md bg-primary text-primary-foreground h-9 px-4 text-sm font-medium hover:bg-primary/90 transition-colors\">Action</button>");
+
+        // Separator
+        SeparatorH = new Separator();
+        SeparatorV = new Separator(orientation: "vertical");
+
+        // Skeleton
+        SkeletonTitle  = new Skeleton("h-5 w-48");
+        SkeletonLine1  = new Skeleton("h-4 w-full");
+        SkeletonLine2  = new Skeleton("h-4 w-3/4");
+        SkeletonAvatar = new Skeleton("h-10 w-10 rounded-full");
+
+        // Avatar
+        AvatarSm      = new Avatar("SM", size: "sm");
+        AvatarDefault = new Avatar("JD");
+        AvatarLg      = new Avatar("AB", size: "lg");
+        AvatarImg     = new Avatar("GitHub", src: "https://github.com/github.png", size: "default");
+
+        // Progress
+        Progress25  = new Progress(25);
+        Progress60  = new Progress(60);
+        Progress100 = new Progress(100);
+
+        // Alert
+        AlertDefault     = new Alert("Information", description: "This is an informational alert with a default style.");
+        AlertDestructive = new Alert("Error", description: "Something went wrong. Please check your input.", variant: "destructive");
+
+        // Breadcrumb
+        BreadcrumbDemo = new Breadcrumb([
+            ("Home",       "/"),
+            ("Components", "/components"),
+            ("UI Demo",    ""),
+        ]);
+
+        // Checkbox
+        CheckboxAccept  = new Checkbox("accept-terms", label: "Accept terms and conditions");
+        CheckboxChecked = new Checkbox("newsletter",   label: "Subscribe to newsletter", @checked: true);
+
+        // RadioGroup
+        RadioGroupCol = new RadioGroup(
+            name: "plan-v",
+            label: "Plan (vertical)",
+            options: [
+                ("starter", "Starter", true),
+                ("pro",     "Pro",     false),
+                ("enterprise", "Enterprise", false),
+            ]);
+        RadioGroupRow = new RadioGroup(
+            name: "size-h",
+            label: "Size (horizontal)",
+            direction: "flex-row",
+            options: [
+                ("sm", "SM",  true),
+                ("md", "MD",  false),
+                ("lg", "LG",  false),
+            ]);
+
+        // Switch
+        SwitchOff = new Switch("notif-off", label: "Notifications");
+        SwitchOn  = new Switch("darkmode",  label: "Dark mode", isChecked: true);
+
+        // Textarea
+        TextareaDemo = new Textarea(
+            id:          "bio",
+            label:       "Bio",
+            placeholder: "Tell us about yourself…",
+            description: "Max 200 characters.");
+
+        // Slider
+        SliderDemo = new Slider(id: "volume", label: "Volume", value: 40, description: "Drag to adjust");
+
+        // FileInput
+        FileInputDemo = new FileInput(
+            id:          "avatar-upload",
+            label:       "Profile picture",
+            accept:      "image/*",
+            description: "PNG, JPG or GIF up to 2 MB.");
+
+        // Table
+        TableDemo = new Table(
+            headers: ["Name", "Role", "Status"],
+            rows: [
+                ["Alice",   "Admin",     "Active"],
+                ["Bob",     "Editor",    "Active"],
+                ["Charlie", "Viewer",    "Inactive"],
+            ],
+            caption: "Team members");
+
+        // Pagination
+        PaginationDemo = new Pagination(current: 3, total: 7, urlPattern: "/ui-demo?page={0}");
+
+        // Tabs
+        TabsDemo = new Tabs("demo", [
+            ("overview", "Overview", "<p class=\"text-sm text-muted-foreground\">This is the overview tab content.</p>"),
+            ("settings", "Settings", "<p class=\"text-sm text-muted-foreground\">Manage your settings here.</p>"),
+            ("billing",  "Billing",  "<p class=\"text-sm text-muted-foreground\">View billing information.</p>"),
+        ]);
+
+        // Accordion
+        AccordionDemo = new Accordion("demo-acc", [
+            ("What is htmx?",    "htmx allows you to access AJAX, CSS Transitions, WebSockets and Server Sent Events directly in HTML."),
+            ("Is it production ready?", "Yes — htmx is used by thousands of projects in production worldwide."),
+            ("Does it replace React?",  "htmx is a different tool suited to server-driven UIs. Use whatever fits your team best."),
+        ], openIndex: 0);
+
+        // Tooltip
+        TooltipTop    = new Tooltip("Top tooltip",    new Button("Hover me"),     position: "top");
+        TooltipBottom = new Tooltip("Bottom tooltip", new Button("Bottom", variant: "secondary"), position: "bottom");
+        TooltipRight  = new Tooltip("Right tooltip",  new Button("Right",  variant: "outline"),   position: "right");
+
+        // Dialog
+        DialogDemo = new Dialog(
+            id:          "demo-dialog",
+            title:       "Are you sure?",
+            description: "This action cannot be undone.",
+            content:     "Please confirm that you want to proceed with this operation.",
+            footer:      "<button type=\"button\" data-dialog-close class=\"inline-flex items-center justify-center rounded-md border border-input bg-background h-9 px-4 text-sm font-medium hover:bg-accent transition-colors\">Cancel</button>" +
+                         "<button type=\"button\" data-dialog-close class=\"inline-flex items-center justify-center rounded-md bg-primary text-primary-foreground h-9 px-4 text-sm font-medium hover:bg-primary/90 transition-colors\">Confirm</button>");
+
+        // Dropdown
+        DropdownDemo = new DropdownMenu(
+            trigger: new Button("Options ▾", variant: "outline"),
+            items: [
+                ("Edit",        "/edit",   false),
+                ("Duplicate",   "/dup",    false),
+                ("",            "",        true),  // separator
+                ("Delete",      "/delete", false),
+            ]);
+
+        // Toast Viewport
+        ToastViewportDemo = new ToastViewport();
     }
 
     protected override void RenderBtnDefault(HtmxRenderContext ctx)      => BtnDefault.Render(ctx);
@@ -76,6 +308,61 @@ public sealed class UiDemo : UiDemoBase
     protected override void RenderCalendarRangeDemo(HtmxRenderContext ctx) => CalendarRangeDemo.Render(ctx);
     protected override void RenderTimePickerDemo(HtmxRenderContext ctx)    => TimePickerDemo.Render(ctx);
     protected override void RenderTimePicker12hDemo(HtmxRenderContext ctx) => TimePicker12hDemo.Render(ctx);
+
+    protected override void RenderBadgeDefault(HtmxRenderContext ctx)     => BadgeDefault.Render(ctx);
+    protected override void RenderBadgeSecondary(HtmxRenderContext ctx)   => BadgeSecondary.Render(ctx);
+    protected override void RenderBadgeDestructive(HtmxRenderContext ctx) => BadgeDestructive.Render(ctx);
+    protected override void RenderBadgeOutline(HtmxRenderContext ctx)     => BadgeOutline.Render(ctx);
+
+    protected override void RenderCardDemo(HtmxRenderContext ctx) => CardDemo.Render(ctx);
+
+    protected override void RenderSeparatorH(HtmxRenderContext ctx) => SeparatorH.Render(ctx);
+    protected override void RenderSeparatorV(HtmxRenderContext ctx) => SeparatorV.Render(ctx);
+
+    protected override void RenderSkeletonTitle(HtmxRenderContext ctx)  => SkeletonTitle.Render(ctx);
+    protected override void RenderSkeletonLine1(HtmxRenderContext ctx)  => SkeletonLine1.Render(ctx);
+    protected override void RenderSkeletonLine2(HtmxRenderContext ctx)  => SkeletonLine2.Render(ctx);
+    protected override void RenderSkeletonAvatar(HtmxRenderContext ctx) => SkeletonAvatar.Render(ctx);
+
+    protected override void RenderAvatarSm(HtmxRenderContext ctx)      => AvatarSm.Render(ctx);
+    protected override void RenderAvatarDefault(HtmxRenderContext ctx) => AvatarDefault.Render(ctx);
+    protected override void RenderAvatarLg(HtmxRenderContext ctx)      => AvatarLg.Render(ctx);
+    protected override void RenderAvatarImg(HtmxRenderContext ctx)     => AvatarImg.Render(ctx);
+
+    protected override void RenderProgress25(HtmxRenderContext ctx)  => Progress25.Render(ctx);
+    protected override void RenderProgress60(HtmxRenderContext ctx)  => Progress60.Render(ctx);
+    protected override void RenderProgress100(HtmxRenderContext ctx) => Progress100.Render(ctx);
+
+    protected override void RenderAlertDefault(HtmxRenderContext ctx)     => AlertDefault.Render(ctx);
+    protected override void RenderAlertDestructive(HtmxRenderContext ctx) => AlertDestructive.Render(ctx);
+
+    protected override void RenderBreadcrumbDemo(HtmxRenderContext ctx) => BreadcrumbDemo.Render(ctx);
+
+    protected override void RenderCheckboxAccept(HtmxRenderContext ctx)  => CheckboxAccept.Render(ctx);
+    protected override void RenderCheckboxChecked(HtmxRenderContext ctx) => CheckboxChecked.Render(ctx);
+
+    protected override void RenderRadioGroupCol(HtmxRenderContext ctx) => RadioGroupCol.Render(ctx);
+    protected override void RenderRadioGroupRow(HtmxRenderContext ctx) => RadioGroupRow.Render(ctx);
+
+    protected override void RenderSwitchOff(HtmxRenderContext ctx) => SwitchOff.Render(ctx);
+    protected override void RenderSwitchOn(HtmxRenderContext ctx)  => SwitchOn.Render(ctx);
+
+    protected override void RenderTextareaDemo(HtmxRenderContext ctx) => TextareaDemo.Render(ctx);
+    protected override void RenderSliderDemo(HtmxRenderContext ctx)   => SliderDemo.Render(ctx);
+    protected override void RenderFileInputDemo(HtmxRenderContext ctx)=> FileInputDemo.Render(ctx);
+    protected override void RenderTableDemo(HtmxRenderContext ctx)    => TableDemo.Render(ctx);
+    protected override void RenderPaginationDemo(HtmxRenderContext ctx)=> PaginationDemo.Render(ctx);
+    protected override void RenderTabsDemo(HtmxRenderContext ctx)     => TabsDemo.Render(ctx);
+    protected override void RenderAccordionDemo(HtmxRenderContext ctx)=> AccordionDemo.Render(ctx);
+
+    protected override void RenderTooltipTop(HtmxRenderContext ctx)    => TooltipTop.Render(ctx);
+    protected override void RenderTooltipBottom(HtmxRenderContext ctx) => TooltipBottom.Render(ctx);
+    protected override void RenderTooltipRight(HtmxRenderContext ctx)  => TooltipRight.Render(ctx);
+
+    protected override void RenderDialogDemo(HtmxRenderContext ctx)   => DialogDemo.Render(ctx);
+    protected override void RenderDropdownDemo(HtmxRenderContext ctx) => DropdownDemo.Render(ctx);
+
+    protected override void RenderToastViewportDemo(HtmxRenderContext ctx) => ToastViewportDemo.Render(ctx);
 }
 
 

Htmx.ApiDemo/wwwroot/css/input.css

@@ -1,5 +1,8 @@
 @import "tailwindcss";
 
+@source "../../**/*.{html,htmx,cs}";
+@source "../../src/**/!(*.g).cs";
+
 @theme {
     --color-background: hsl(var(--background));
     --color-foreground: hsl(var(--foreground));

Htmx.ApiDemo/wwwroot/css/output.css

@@ -8,9 +8,12 @@
     --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
       "Courier New", monospace;
     --color-black: #000;
+    --color-white: #fff;
     --spacing: 0.25rem;
     --container-xs: 20rem;
     --container-sm: 24rem;
+    --container-md: 28rem;
+    --container-lg: 32rem;
     --container-xl: 36rem;
     --text-xs: 0.75rem;
     --text-xs--line-height: calc(1 / 0.75);
@@ -22,12 +25,18 @@
     --text-lg--line-height: calc(1.75 / 1.125);
     --text-2xl: 1.5rem;
     --text-2xl--line-height: calc(2 / 1.5);
+    --font-weight-normal: 400;
     --font-weight-medium: 500;
     --font-weight-semibold: 600;
     --font-weight-bold: 700;
     --tracking-tight: -0.025em;
+    --leading-relaxed: 1.625;
+    --radius-sm: calc(var(--radius) - 4px);
     --radius-md: calc(var(--radius) - 2px);
+    --radius-lg: var(--radius);
     --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
+    --animate-pulse: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
+    --blur-sm: 8px;
     --default-transition-duration: 150ms;
     --default-transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
     --default-font-family: var(--font-sans);
@@ -35,10 +44,14 @@
     --color-background: hsl(var(--background));
     --color-foreground: hsl(var(--foreground));
     --color-card: hsl(var(--card));
+    --color-card-foreground: hsl(var(--card-foreground));
+    --color-popover: hsl(var(--popover));
+    --color-popover-foreground: hsl(var(--popover-foreground));
     --color-primary: hsl(var(--primary));
     --color-primary-foreground: hsl(var(--primary-foreground));
     --color-secondary: hsl(var(--secondary));
     --color-secondary-foreground: hsl(var(--secondary-foreground));
+    --color-muted: hsl(var(--muted));
     --color-muted-foreground: hsl(var(--muted-foreground));
     --color-accent: hsl(var(--accent));
     --color-accent-foreground: hsl(var(--accent-foreground));
@@ -198,12 +211,32 @@
   }
 }
 @layer utilities {
+  .pointer-events-auto {
+    pointer-events: auto;
+  }
   .pointer-events-none {
     pointer-events: none;
   }
+  .sr-only {
+    position: absolute;
+    width: 1px;
+    height: 1px;
+    padding: 0;
+    margin: -1px;
+    overflow: hidden;
+    clip-path: inset(50%);
+    white-space: nowrap;
+    border-width: 0;
+  }
+  .absolute {
+    position: absolute;
+  }
   .fixed {
     position: fixed;
   }
+  .relative {
+    position: relative;
+  }
   .static {
     position: static;
   }
@@ -228,30 +261,108 @@
   .end {
     inset-inline-end: var(--spacing);
   }
+  .top-1\/2 {
+    top: calc(1 / 2 * 100%);
+  }
+  .top-full {
+    top: 100%;
+  }
+  .right-0 {
+    right: calc(var(--spacing) * 0);
+  }
+  .right-4 {
+    right: calc(var(--spacing) * 4);
+  }
+  .right-full {
+    right: 100%;
+  }
+  .bottom-4 {
+    bottom: calc(var(--spacing) * 4);
+  }
+  .bottom-full {
+    bottom: 100%;
+  }
   .left-0 {
     left: calc(var(--spacing) * 0);
   }
+  .left-1\/2 {
+    left: calc(1 / 2 * 100%);
+  }
+  .left-full {
+    left: 100%;
+  }
   .z-20 {
     z-index: 20;
   }
   .z-30 {
     z-index: 30;
   }
+  .z-50 {
+    z-index: 50;
+  }
+  .z-\[100\] {
+    z-index: 100;
+  }
+  .container {
+    width: 100%;
+    @media (width >= 40rem) {
+      max-width: 40rem;
+    }
+    @media (width >= 48rem) {
+      max-width: 48rem;
+    }
+    @media (width >= 64rem) {
+      max-width: 64rem;
+    }
+    @media (width >= 80rem) {
+      max-width: 80rem;
+    }
+    @media (width >= 96rem) {
+      max-width: 96rem;
+    }
+  }
+  .m-0 {
+    margin: calc(var(--spacing) * 0);
+  }
+  .-mx-1 {
+    margin-inline: calc(var(--spacing) * -1);
+  }
+  .my-1 {
+    margin-block: calc(var(--spacing) * 1);
+  }
   .mt-1 {
     margin-top: calc(var(--spacing) * 1);
   }
+  .mt-2 {
+    margin-top: calc(var(--spacing) * 2);
+  }
   .mt-3 {
     margin-top: calc(var(--spacing) * 3);
   }
+  .mt-4 {
+    margin-top: calc(var(--spacing) * 4);
+  }
+  .mr-2 {
+    margin-right: calc(var(--spacing) * 2);
+  }
   .mb-1 {
     margin-bottom: calc(var(--spacing) * 1);
   }
+  .mb-2 {
+    margin-bottom: calc(var(--spacing) * 2);
+  }
   .mb-3 {
     margin-bottom: calc(var(--spacing) * 3);
   }
   .mb-4 {
     margin-bottom: calc(var(--spacing) * 4);
   }
+  .ml-2 {
+    margin-left: calc(var(--spacing) * 2);
+  }
+  .block {
+    display: block;
+  }
   .flex {
     display: flex;
   }
@@ -270,12 +381,24 @@
   .inline-flex {
     display: inline-flex;
   }
+  .aspect-square {
+    aspect-ratio: 1 / 1;
+  }
+  .h-2 {
+    height: calc(var(--spacing) * 2);
+  }
+  .h-3\.5 {
+    height: calc(var(--spacing) * 3.5);
+  }
   .h-4 {
     height: calc(var(--spacing) * 4);
   }
   .h-5 {
     height: calc(var(--spacing) * 5);
   }
+  .h-6 {
+    height: calc(var(--spacing) * 6);
+  }
   .h-8 {
     height: calc(var(--spacing) * 8);
   }
@@ -288,18 +411,45 @@
   .h-11 {
     height: calc(var(--spacing) * 11);
   }
+  .h-12 {
+    height: calc(var(--spacing) * 12);
+  }
+  .h-14 {
+    height: calc(var(--spacing) * 14);
+  }
   .h-16 {
     height: calc(var(--spacing) * 16);
   }
+  .h-20 {
+    height: calc(var(--spacing) * 20);
+  }
+  .h-full {
+    height: 100%;
+  }
+  .h-px {
+    height: 1px;
+  }
+  .max-h-screen {
+    max-height: 100vh;
+  }
   .min-h-4 {
     min-height: calc(var(--spacing) * 4);
   }
+  .min-h-20 {
+    min-height: calc(var(--spacing) * 20);
+  }
   .min-h-dvh {
     min-height: 100dvh;
   }
   .min-h-full {
     min-height: 100%;
   }
+  .w-3\.5 {
+    width: calc(var(--spacing) * 3.5);
+  }
+  .w-3\/4 {
+    width: calc(3 / 4 * 100%);
+  }
   .w-4 {
     width: calc(var(--spacing) * 4);
   }
@@ -315,15 +465,39 @@
   .w-10 {
     width: calc(var(--spacing) * 10);
   }
+  .w-11 {
+    width: calc(var(--spacing) * 11);
+  }
+  .w-14 {
+    width: calc(var(--spacing) * 14);
+  }
   .w-16 {
     width: calc(var(--spacing) * 16);
   }
+  .w-20 {
+    width: calc(var(--spacing) * 20);
+  }
+  .w-48 {
+    width: calc(var(--spacing) * 48);
+  }
   .w-64 {
     width: calc(var(--spacing) * 64);
   }
   .w-full {
     width: 100%;
   }
+  .w-max {
+    width: max-content;
+  }
+  .w-px {
+    width: 1px;
+  }
+  .max-w-lg {
+    max-width: var(--container-lg);
+  }
+  .max-w-md {
+    max-width: var(--container-md);
+  }
   .max-w-sm {
     max-width: var(--container-sm);
   }
@@ -333,6 +507,9 @@
   .max-w-xs {
     max-width: var(--container-xs);
   }
+  .min-w-40 {
+    min-width: calc(var(--spacing) * 40);
+  }
   .min-w-72 {
     min-width: calc(var(--spacing) * 72);
   }
@@ -342,13 +519,41 @@
   .shrink-0 {
     flex-shrink: 0;
   }
+  .caption-bottom {
+    caption-side: bottom;
+  }
+  .-translate-x-1\/2 {
+    --tw-translate-x: calc(calc(1 / 2 * 100%) * -1);
+    translate: var(--tw-translate-x) var(--tw-translate-y);
+  }
   .-translate-x-full {
     --tw-translate-x: -100%;
     translate: var(--tw-translate-x) var(--tw-translate-y);
   }
+  .translate-x-0\.5 {
+    --tw-translate-x: calc(var(--spacing) * 0.5);
+    translate: var(--tw-translate-x) var(--tw-translate-y);
+  }
+  .-translate-y-1\/2 {
+    --tw-translate-y: calc(calc(1 / 2 * 100%) * -1);
+    translate: var(--tw-translate-x) var(--tw-translate-y);
+  }
+  .translate-y-2 {
+    --tw-translate-y: calc(var(--spacing) * 2);
+    translate: var(--tw-translate-x) var(--tw-translate-y);
+  }
+  .transform {
+    transform: var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,);
+  }
+  .animate-pulse {
+    animation: var(--animate-pulse);
+  }
   .cursor-pointer {
     cursor: pointer;
   }
+  .resize-y {
+    resize: vertical;
+  }
   .appearance-none {
     appearance: none;
   }
@@ -361,18 +566,33 @@
   .flex-col {
     flex-direction: column;
   }
+  .flex-col-reverse {
+    flex-direction: column-reverse;
+  }
+  .flex-row {
+    flex-direction: row;
+  }
   .flex-wrap {
     flex-wrap: wrap;
   }
   .items-center {
     align-items: center;
   }
+  .items-start {
+    align-items: flex-start;
+  }
   .justify-between {
     justify-content: space-between;
   }
   .justify-center {
     justify-content: center;
   }
+  .justify-end {
+    justify-content: flex-end;
+  }
+  .justify-start {
+    justify-content: flex-start;
+  }
   .gap-0\.5 {
     gap: calc(var(--spacing) * 0.5);
   }
@@ -391,6 +611,9 @@
   .gap-4 {
     gap: calc(var(--spacing) * 4);
   }
+  .gap-6 {
+    gap: calc(var(--spacing) * 6);
+  }
   .gap-8 {
     gap: calc(var(--spacing) * 8);
   }
@@ -401,6 +624,13 @@
       margin-block-end: calc(calc(var(--spacing) * 1) * calc(1 - var(--tw-space-y-reverse)));
     }
   }
+  .space-y-1\.5 {
+    :where(& > :not(:last-child)) {
+      --tw-space-y-reverse: 0;
+      margin-block-start: calc(calc(var(--spacing) * 1.5) * var(--tw-space-y-reverse));
+      margin-block-end: calc(calc(var(--spacing) * 1.5) * calc(1 - var(--tw-space-y-reverse)));
+    }
+  }
   .space-y-2 {
     :where(& > :not(:last-child)) {
       --tw-space-y-reverse: 0;
@@ -429,6 +659,30 @@
       margin-block-end: calc(calc(var(--spacing) * 10) * calc(1 - var(--tw-space-y-reverse)));
     }
   }
+  .space-x-4 {
+    :where(& > :not(:last-child)) {
+      --tw-space-x-reverse: 0;
+      margin-inline-start: calc(calc(var(--spacing) * 4) * var(--tw-space-x-reverse));
+      margin-inline-end: calc(calc(var(--spacing) * 4) * calc(1 - var(--tw-space-x-reverse)));
+    }
+  }
+  .divide-y {
+    :where(& > :not(:last-child)) {
+      --tw-divide-y-reverse: 0;
+      border-bottom-style: var(--tw-border-style);
+      border-top-style: var(--tw-border-style);
+      border-top-width: calc(1px * var(--tw-divide-y-reverse));
+      border-bottom-width: calc(1px * calc(1 - var(--tw-divide-y-reverse)));
+    }
+  }
+  .divide-border {
+    :where(& > :not(:last-child)) {
+      border-color: var(--color-border);
+    }
+  }
+  .overflow-auto {
+    overflow: auto;
+  }
   .overflow-hidden {
     overflow: hidden;
   }
@@ -438,9 +692,15 @@
   .rounded-full {
     border-radius: calc(infinity * 1px);
   }
+  .rounded-lg {
+    border-radius: var(--radius-lg);
+  }
   .rounded-md {
     border-radius: var(--radius-md);
   }
+  .rounded-sm {
+    border-radius: var(--radius-sm);
+  }
   .border {
     border-style: var(--tw-border-style);
     border-width: 1px;
@@ -460,12 +720,21 @@
   .border-border {
     border-color: var(--color-border);
   }
+  .border-destructive {
+    border-color: var(--color-destructive);
+  }
   .border-destructive\/30 {
     border-color: color-mix(in srgb, hsl(var(--destructive)) 30%, transparent);
     @supports (color: color-mix(in lab, red, red)) {
       border-color: color-mix(in oklab, var(--color-destructive) 30%, transparent);
     }
   }
+  .border-destructive\/50 {
+    border-color: color-mix(in srgb, hsl(var(--destructive)) 50%, transparent);
+    @supports (color: color-mix(in lab, red, red)) {
+      border-color: color-mix(in oklab, var(--color-destructive) 50%, transparent);
+    }
+  }
   .border-input {
     border-color: var(--color-input);
   }
@@ -478,6 +747,9 @@
       background-color: color-mix(in oklab, var(--color-black) 50%, transparent);
     }
   }
+  .bg-border {
+    background-color: var(--color-border);
+  }
   .bg-card {
     background-color: var(--color-card);
   }
@@ -496,6 +768,21 @@
       background-color: color-mix(in oklab, var(--color-destructive) 15%, transparent);
     }
   }
+  .bg-input {
+    background-color: var(--color-input);
+  }
+  .bg-muted {
+    background-color: var(--color-muted);
+  }
+  .bg-muted\/50 {
+    background-color: color-mix(in srgb, hsl(var(--muted)) 50%, transparent);
+    @supports (color: color-mix(in lab, red, red)) {
+      background-color: color-mix(in oklab, var(--color-muted) 50%, transparent);
+    }
+  }
+  .bg-popover {
+    background-color: var(--color-popover);
+  }
   .bg-primary {
     background-color: var(--color-primary);
   }
@@ -505,6 +792,18 @@
   .bg-transparent {
     background-color: transparent;
   }
+  .bg-white {
+    background-color: var(--color-white);
+  }
+  .object-cover {
+    object-fit: cover;
+  }
+  .p-0 {
+    padding: calc(var(--spacing) * 0);
+  }
+  .p-1 {
+    padding: calc(var(--spacing) * 1);
+  }
   .p-4 {
     padding: calc(var(--spacing) * 4);
   }
@@ -514,6 +813,9 @@
   .px-2 {
     padding-inline: calc(var(--spacing) * 2);
   }
+  .px-2\.5 {
+    padding-inline: calc(var(--spacing) * 2.5);
+  }
   .px-3 {
     padding-inline: calc(var(--spacing) * 3);
   }
@@ -532,6 +834,9 @@
   .py-1 {
     padding-block: calc(var(--spacing) * 1);
   }
+  .py-1\.5 {
+    padding-block: calc(var(--spacing) * 1.5);
+  }
   .py-2 {
     padding-block: calc(var(--spacing) * 2);
   }
@@ -544,9 +849,24 @@
   .py-12 {
     padding-block: calc(var(--spacing) * 12);
   }
+  .pt-0 {
+    padding-top: calc(var(--spacing) * 0);
+  }
+  .pt-4 {
+    padding-top: calc(var(--spacing) * 4);
+  }
+  .pb-4 {
+    padding-bottom: calc(var(--spacing) * 4);
+  }
   .text-center {
     text-align: center;
   }
+  .text-left {
+    text-align: left;
+  }
+  .align-middle {
+    vertical-align: middle;
+  }
   .text-2xl {
     font-size: var(--text-2xl);
     line-height: var(--tw-leading, var(--text-2xl--line-height));
@@ -579,6 +899,10 @@
     --tw-font-weight: var(--font-weight-medium);
     font-weight: var(--font-weight-medium);
   }
+  .font-normal {
+    --tw-font-weight: var(--font-weight-normal);
+    font-weight: var(--font-weight-normal);
+  }
   .font-semibold {
     --tw-font-weight: var(--font-weight-semibold);
     font-weight: var(--font-weight-semibold);
@@ -587,9 +911,15 @@
     --tw-tracking: var(--tracking-tight);
     letter-spacing: var(--tracking-tight);
   }
+  .break-words {
+    overflow-wrap: break-word;
+  }
   .whitespace-nowrap {
     white-space: nowrap;
   }
+  .text-card-foreground {
+    color: var(--color-card-foreground);
+  }
   .text-destructive {
     color: var(--color-destructive);
   }
@@ -602,6 +932,9 @@
   .text-muted-foreground {
     color: var(--color-muted-foreground);
   }
+  .text-popover-foreground {
+    color: var(--color-popover-foreground);
+  }
   .text-primary {
     color: var(--color-primary);
   }
@@ -618,9 +951,18 @@
     -webkit-font-smoothing: antialiased;
     -moz-osx-font-smoothing: grayscale;
   }
+  .accent-primary {
+    accent-color: var(--color-primary);
+  }
   .opacity-0 {
     opacity: 0%;
   }
+  .opacity-70 {
+    opacity: 70%;
+  }
+  .opacity-90 {
+    opacity: 90%;
+  }
   .shadow {
     --tw-shadow: 0 1px 3px 0 var(--tw-shadow-color, rgb(0 0 0 / 0.1)), 0 1px 2px -1px var(--tw-shadow-color, rgb(0 0 0 / 0.1));
     box-shadow: var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
@@ -629,10 +971,18 @@
     --tw-shadow: 0 10px 15px -3px var(--tw-shadow-color, rgb(0 0 0 / 0.1)), 0 4px 6px -4px var(--tw-shadow-color, rgb(0 0 0 / 0.1));
     box-shadow: var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
   }
+  .shadow-md {
+    --tw-shadow: 0 4px 6px -1px var(--tw-shadow-color, rgb(0 0 0 / 0.1)), 0 2px 4px -2px var(--tw-shadow-color, rgb(0 0 0 / 0.1));
+    box-shadow: var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
+  }
   .shadow-sm {
     --tw-shadow: 0 1px 3px 0 var(--tw-shadow-color, rgb(0 0 0 / 0.1)), 0 1px 2px -1px var(--tw-shadow-color, rgb(0 0 0 / 0.1));
     box-shadow: var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
   }
+  .ring-0 {
+    --tw-ring-shadow: var(--tw-ring-inset,) 0 0 0 calc(0px + var(--tw-ring-offset-width)) var(--tw-ring-color, currentcolor);
+    box-shadow: var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
+  }
   .ring-offset-background {
     --tw-ring-offset-color: var(--color-background);
   }
@@ -648,6 +998,11 @@
     -webkit-backdrop-filter: var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,);
     backdrop-filter: var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,);
   }
+  .transition-all {
+    transition-property: all;
+    transition-timing-function: var(--tw-ease, var(--default-transition-timing-function));
+    transition-duration: var(--tw-duration, var(--default-transition-duration));
+  }
   .transition-colors {
     transition-property: color, background-color, border-color, outline-color, text-decoration-color, fill, stroke, --tw-gradient-from, --tw-gradient-via, --tw-gradient-to;
     transition-timing-function: var(--tw-ease, var(--default-transition-timing-function));
@@ -663,6 +1018,14 @@
     transition-timing-function: var(--tw-ease, var(--default-transition-timing-function));
     transition-duration: var(--tw-duration, var(--default-transition-duration));
   }
+  .duration-150 {
+    --tw-duration: 150ms;
+    transition-duration: 150ms;
+  }
+  .duration-200 {
+    --tw-duration: 200ms;
+    transition-duration: 200ms;
+  }
   .duration-300 {
     --tw-duration: 300ms;
     transition-duration: 300ms;
@@ -671,10 +1034,21 @@
     --tw-ease: var(--ease-in-out);
     transition-timing-function: var(--ease-in-out);
   }
+  .outline-none {
+    --tw-outline-style: none;
+    outline-style: none;
+  }
   .select-none {
     -webkit-user-select: none;
     user-select: none;
   }
+  .group-hover\:opacity-100 {
+    &:is(:where(.group):hover *) {
+      @media (hover: hover) {
+        opacity: 100%;
+      }
+    }
+  }
   .peer-disabled\:cursor-not-allowed {
     &:is(:where(.peer):disabled ~ *) {
       cursor: not-allowed;
@@ -685,11 +1059,59 @@
       opacity: 70%;
     }
   }
+  .file\:border-0 {
+    &::file-selector-button {
+      border-style: var(--tw-border-style);
+      border-width: 0px;
+    }
+  }
+  .file\:bg-transparent {
+    &::file-selector-button {
+      background-color: transparent;
+    }
+  }
+  .file\:text-sm {
+    &::file-selector-button {
+      font-size: var(--text-sm);
+      line-height: var(--tw-leading, var(--text-sm--line-height));
+    }
+  }
+  .file\:font-medium {
+    &::file-selector-button {
+      --tw-font-weight: var(--font-weight-medium);
+      font-weight: var(--font-weight-medium);
+    }
+  }
+  .file\:text-foreground {
+    &::file-selector-button {
+      color: var(--color-foreground);
+    }
+  }
   .placeholder\:text-muted-foreground {
     &::placeholder {
       color: var(--color-muted-foreground);
     }
   }
+  .backdrop\:bg-black\/50 {
+    &::backdrop {
+      background-color: color-mix(in srgb, #000 50%, transparent);
+      @supports (color: color-mix(in lab, red, red)) {
+        background-color: color-mix(in oklab, var(--color-black) 50%, transparent);
+      }
+    }
+  }
+  .backdrop\:backdrop-blur-sm {
+    &::backdrop {
+      --tw-backdrop-blur: blur(var(--blur-sm));
+      -webkit-backdrop-filter: var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,);
+      backdrop-filter: var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,);
+    }
+  }
+  .open\:block {
+    &:is([open], :popover-open, :open) {
+      display: block;
+    }
+  }
   .hover\:bg-accent {
     &:hover {
       @media (hover: hover) {
@@ -697,6 +1119,16 @@
       }
     }
   }
+  .hover\:bg-destructive\/80 {
+    &:hover {
+      @media (hover: hover) {
+        background-color: color-mix(in srgb, hsl(var(--destructive)) 80%, transparent);
+        @supports (color: color-mix(in lab, red, red)) {
+          background-color: color-mix(in oklab, var(--color-destructive) 80%, transparent);
+        }
+      }
+    }
+  }
   .hover\:bg-destructive\/90 {
     &:hover {
       @media (hover: hover) {
@@ -707,6 +1139,26 @@
       }
     }
   }
+  .hover\:bg-muted\/50 {
+    &:hover {
+      @media (hover: hover) {
+        background-color: color-mix(in srgb, hsl(var(--muted)) 50%, transparent);
+        @supports (color: color-mix(in lab, red, red)) {
+          background-color: color-mix(in oklab, var(--color-muted) 50%, transparent);
+        }
+      }
+    }
+  }
+  .hover\:bg-primary\/80 {
+    &:hover {
+      @media (hover: hover) {
+        background-color: color-mix(in srgb, hsl(var(--primary)) 80%, transparent);
+        @supports (color: color-mix(in lab, red, red)) {
+          background-color: color-mix(in oklab, var(--color-primary) 80%, transparent);
+        }
+      }
+    }
+  }
   .hover\:bg-primary\/90 {
     &:hover {
       @media (hover: hover) {
@@ -734,6 +1186,13 @@
       }
     }
   }
+  .hover\:text-foreground {
+    &:hover {
+      @media (hover: hover) {
+        color: var(--color-foreground);
+      }
+    }
+  }
   .hover\:underline {
     &:hover {
       @media (hover: hover) {
@@ -741,6 +1200,29 @@
       }
     }
   }
+  .hover\:opacity-100 {
+    &:hover {
+      @media (hover: hover) {
+        opacity: 100%;
+      }
+    }
+  }
+  .focus\:bg-accent {
+    &:focus {
+      background-color: var(--color-accent);
+    }
+  }
+  .focus\:text-accent-foreground {
+    &:focus {
+      color: var(--color-accent-foreground);
+    }
+  }
+  .focus\:ring-1 {
+    &:focus {
+      --tw-ring-shadow: var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color, currentcolor);
+      box-shadow: var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
+    }
+  }
   .focus\:ring-2 {
     &:focus {
       --tw-ring-shadow: var(--tw-ring-inset,) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color, currentcolor);
@@ -813,6 +1295,11 @@
       grid-template-columns: repeat(2, minmax(0, 1fr));
     }
   }
+  .sm\:flex-col {
+    @media (width >= 40rem) {
+      flex-direction: column;
+    }
+  }
   .md\:relative {
     @media (width >= 48rem) {
       position: relative;
@@ -823,6 +1310,11 @@
       display: none;
     }
   }
+  .md\:max-w-\[420px\] {
+    @media (width >= 48rem) {
+      max-width: 420px;
+    }
+  }
   .md\:translate-x-0 {
     @media (width >= 48rem) {
       --tw-translate-x: calc(var(--spacing) * 0);
@@ -840,12 +1332,59 @@
       box-shadow: var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
     }
   }
+  .\[\&_p\]\:leading-relaxed {
+    & p {
+      --tw-leading: var(--leading-relaxed);
+      line-height: var(--leading-relaxed);
+    }
+  }
   .\[\&\.open\]\:translate-x-0 {
     &.open {
       --tw-translate-x: calc(var(--spacing) * 0);
       translate: var(--tw-translate-x) var(--tw-translate-y);
     }
   }
+  .\[\&\:has\(\[role\=checkbox\]\)\]\:pr-0 {
+    &:has([role=checkbox]) {
+      padding-right: calc(var(--spacing) * 0);
+    }
+  }
+  .\[\&\>svg\]\:absolute {
+    &>svg {
+      position: absolute;
+    }
+  }
+  .\[\&\>svg\]\:top-4 {
+    &>svg {
+      top: calc(var(--spacing) * 4);
+    }
+  }
+  .\[\&\>svg\]\:left-4 {
+    &>svg {
+      left: calc(var(--spacing) * 4);
+    }
+  }
+  .\[\&\>svg\]\:text-destructive {
+    &>svg {
+      color: var(--color-destructive);
+    }
+  }
+  .\[\&\>svg\]\:text-foreground {
+    &>svg {
+      color: var(--color-foreground);
+    }
+  }
+  .\[\&\>svg\+div\]\:translate-y-\[-3px\] {
+    &>svg+div {
+      --tw-translate-y: -3px;
+      translate: var(--tw-translate-x) var(--tw-translate-y);
+    }
+  }
+  .\[\&\>svg\~\*\]\:pl-7 {
+    &>svg~* {
+      padding-left: calc(var(--spacing) * 7);
+    }
+  }
 }
 @layer base {
   :root {
@@ -1121,11 +1660,41 @@
   inherits: false;
   initial-value: 0;
 }
+@property --tw-rotate-x {
+  syntax: "*";
+  inherits: false;
+}
+@property --tw-rotate-y {
+  syntax: "*";
+  inherits: false;
+}
+@property --tw-rotate-z {
+  syntax: "*";
+  inherits: false;
+}
+@property --tw-skew-x {
+  syntax: "*";
+  inherits: false;
+}
+@property --tw-skew-y {
+  syntax: "*";
+  inherits: false;
+}
 @property --tw-space-y-reverse {
   syntax: "*";
   inherits: false;
   initial-value: 0;
 }
+@property --tw-space-x-reverse {
+  syntax: "*";
+  inherits: false;
+  initial-value: 0;
+}
+@property --tw-divide-y-reverse {
+  syntax: "*";
+  inherits: false;
+  initial-value: 0;
+}
 @property --tw-border-style {
   syntax: "*";
   inherits: false;
@@ -1310,13 +1879,25 @@
   syntax: "*";
   inherits: false;
 }
+@keyframes pulse {
+  50% {
+    opacity: 0.5;
+  }
+}
 @layer properties {
   @supports ((-webkit-hyphens: none) and (not (margin-trim: inline))) or ((-moz-orient: inline) and (not (color:rgb(from red r g b)))) {
     *, ::before, ::after, ::backdrop {
       --tw-translate-x: 0;
       --tw-translate-y: 0;
       --tw-translate-z: 0;
+      --tw-rotate-x: initial;
+      --tw-rotate-y: initial;
+      --tw-rotate-z: initial;
+      --tw-skew-x: initial;
+      --tw-skew-y: initial;
       --tw-space-y-reverse: 0;
+      --tw-space-x-reverse: 0;
+      --tw-divide-y-reverse: 0;
       --tw-border-style: solid;
       --tw-leading: initial;
       --tw-font-weight: initial;

Htmx.ApiDemo/wwwroot/js/components.js

@@ -456,3 +456,262 @@
   document.addEventListener('DOMContentLoaded', initAll);
   document.addEventListener('htmx:afterSwap',   initAll);
 })();
+
+
+// ── Switch ────────────────────────────────────────────────────────────────
+
+(function () {
+  function updateSwitch(input) {
+    var track = input.parentElement && input.parentElement.querySelector('.switch-track');
+    if (!track) return;
+    var thumb = track.querySelector('.switch-thumb');
+    if (input.checked) {
+      track.classList.add('bg-primary');
+      track.classList.remove('bg-input');
+      if (thumb) thumb.style.transform = 'translateX(1.375rem)';
+    } else {
+      track.classList.remove('bg-primary');
+      track.classList.add('bg-input');
+      if (thumb) thumb.style.transform = '';
+    }
+  }
+
+  function initAll() {
+    document.querySelectorAll('.switch-checkbox').forEach(function (input) {
+      updateSwitch(input);
+      if (!input._switchBound) {
+        input._switchBound = true;
+        input.addEventListener('change', function () { updateSwitch(input); });
+      }
+    });
+  }
+
+  document.addEventListener('DOMContentLoaded', initAll);
+  document.addEventListener('htmx:afterSwap',   initAll);
+})();
+
+
+// ── Tabs ──────────────────────────────────────────────────────────────────
+
+(function () {
+  var ACTIVE   = 'bg-background text-foreground shadow-sm';
+  var INACTIVE = 'text-muted-foreground';
+
+  function initTabs(root) {
+    if (root._tabsInitialised) return;
+    root._tabsInitialised = true;
+
+    var triggers = Array.from(root.querySelectorAll('.tabs-trigger'));
+    var panels   = Array.from(root.querySelectorAll('.tabs-panel'));
+
+    function activate(idx) {
+      triggers.forEach(function (t, i) {
+        var active = i === idx;
+        t.setAttribute('aria-selected', String(active));
+        ACTIVE.split(' ').forEach(function (c) { t.classList.toggle(c, active); });
+        INACTIVE.split(' ').forEach(function (c) { t.classList.toggle(c, !active); });
+      });
+      panels.forEach(function (p, i) { p.hidden = i !== idx; });
+    }
+
+    triggers.forEach(function (trigger, idx) {
+      trigger.addEventListener('click', function () { activate(idx); });
+    });
+    activate(0);
+  }
+
+  function initAll() {
+    document.querySelectorAll('.tabs-root').forEach(initTabs);
+  }
+
+  document.addEventListener('DOMContentLoaded', initAll);
+  document.addEventListener('htmx:afterSwap',   initAll);
+})();
+
+
+// ── Accordion ─────────────────────────────────────────────────────────────
+
+(function () {
+  function initAccordion(root) {
+    if (root._accInitialised) return;
+    root._accInitialised = true;
+
+    root.querySelectorAll('.accordion-trigger').forEach(function (trigger) {
+      trigger.addEventListener('click', function () {
+        var expanded = trigger.getAttribute('aria-expanded') === 'true';
+        var panel    = trigger.closest('.accordion-item').querySelector('.accordion-panel');
+        if (expanded) {
+          trigger.setAttribute('aria-expanded', 'false');
+          panel.style.height  = '0';
+          panel.style.opacity = '0';
+        } else {
+          trigger.setAttribute('aria-expanded', 'true');
+          panel.style.height  = panel.scrollHeight + 'px';
+          panel.style.opacity = '1';
+        }
+        var chevron = trigger.querySelector('.accordion-chevron');
+        if (chevron) chevron.style.transform = expanded ? '' : 'rotate(180deg)';
+      });
+    });
+  }
+
+  function initAll() {
+    document.querySelectorAll('.accordion-root').forEach(initAccordion);
+  }
+
+  document.addEventListener('DOMContentLoaded', initAll);
+  document.addEventListener('htmx:afterSwap',   initAll);
+})();
+
+
+// ── Toast ─────────────────────────────────────────────────────────────────
+
+(function () {
+  function dismissToast(toast) {
+    toast.style.opacity   = '0';
+    toast.style.transform = 'translateY(0.5rem)';
+    setTimeout(function () { if (toast.parentNode) toast.parentNode.removeChild(toast); }, 300);
+  }
+
+  window.showToast = function (options) {
+    var viewport = document.querySelector('.toast-viewport');
+    if (!viewport) return;
+
+    var title       = options.title       || '';
+    var description = options.description || '';
+    var variant     = options.variant     || 'default';
+    var duration    = typeof options.duration === 'number' ? options.duration : 5000;
+
+    var variantCls = variant === 'destructive' ? ' border-destructive text-destructive' : '';
+
+    var toast = document.createElement('div');
+    toast.setAttribute('role', 'alert');
+    toast.className = 'toast-item pointer-events-auto relative flex w-full items-center justify-between' +
+      ' space-x-4 overflow-hidden rounded-md border border-border bg-background p-4' +
+      ' shadow-lg transition-all duration-300 opacity-0 translate-y-2' + variantCls;
+
+    toast.innerHTML =
+      '<div class="grid gap-1">' +
+        (title       ? '<div class="text-sm font-semibold">'  + title       + '</div>' : '') +
+        (description ? '<div class="text-sm opacity-90">'     + description + '</div>' : '') +
+      '</div>' +
+      '<button type="button" aria-label="Dismiss"' +
+        ' class="toast-close inline-flex h-8 w-8 shrink-0 items-center justify-center rounded-md' +
+        ' text-muted-foreground hover:text-foreground focus:outline-none">' +
+        '<svg class="h-4 w-4" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none"' +
+        ' stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">' +
+        '<path d="M18 6 6 18"/><path d="m6 6 12 12"/></svg>' +
+      '</button>';
+
+    viewport.appendChild(toast);
+
+    requestAnimationFrame(function () {
+      toast.classList.remove('opacity-0', 'translate-y-2');
+    });
+
+    var timer = duration > 0 ? setTimeout(function () { dismissToast(toast); }, duration) : null;
+
+    toast.querySelector('.toast-close').addEventListener('click', function () {
+      if (timer) clearTimeout(timer);
+      dismissToast(toast);
+    });
+  };
+
+  // Delegate clicks on server-rendered toast close buttons
+  document.addEventListener('click', function (e) {
+    var btn = e.target.closest('.toast-close');
+    if (btn) {
+      var item = btn.closest('.toast-item');
+      if (item) dismissToast(item);
+    }
+  });
+
+  document.addEventListener('keydown', function (e) {
+    var trigger = e.target.closest('.dropdown-trigger');
+    if (!trigger) return;
+    if (e.key !== 'Enter' && e.key !== ' ') return;
+
+    e.preventDefault();
+    var root = trigger.closest('.dropdown-root');
+    var content = root && root.querySelector('.dropdown-content');
+    var isOpen = content && !content.classList.contains('hidden');
+
+    document.querySelectorAll('.dropdown-root').forEach(closeDropdown);
+    if (!isOpen && root) openDropdown(root);
+  });
+})();
+
+
+// ── Dialog ────────────────────────────────────────────────────────────────
+
+(function () {
+  document.addEventListener('click', function (e) {
+    // Open
+    var openBtn = e.target.closest('[data-dialog-open]');
+    if (openBtn) {
+      var dlg = document.getElementById('dlg-' + openBtn.dataset.dialogOpen);
+      if (dlg && dlg.showModal) dlg.showModal();
+    }
+    // Close via button
+    var closeBtn = e.target.closest('[data-dialog-close], .dialog-close');
+    if (closeBtn) {
+      var dlg = closeBtn.closest('dialog');
+      if (dlg) dlg.close();
+    }
+  });
+
+  // Close on backdrop click
+  document.addEventListener('click', function (e) {
+    if (e.target && e.target.tagName === 'DIALOG') {
+      e.target.close();
+    }
+  });
+})();
+
+
+// ── DropdownMenu ──────────────────────────────────────────────────────────
+
+(function () {
+  function closeDropdown(root) {
+    var trigger = root.querySelector('.dropdown-trigger');
+    var content = root.querySelector('.dropdown-content');
+    if (!trigger || !content) return;
+    content.classList.add('hidden');
+    trigger.setAttribute('aria-expanded', 'false');
+  }
+
+  function openDropdown(root) {
+    var trigger = root.querySelector('.dropdown-trigger');
+    var content = root.querySelector('.dropdown-content');
+    if (!trigger || !content) return;
+    content.classList.remove('hidden');
+    trigger.setAttribute('aria-expanded', 'true');
+  }
+
+  document.addEventListener('click', function (e) {
+    var trigger = e.target.closest('.dropdown-trigger');
+    if (trigger) {
+      var root = trigger.closest('.dropdown-root');
+      var content = root && root.querySelector('.dropdown-content');
+      var isOpen = content && !content.classList.contains('hidden');
+
+      document.querySelectorAll('.dropdown-root').forEach(closeDropdown);
+      if (!isOpen && root) openDropdown(root);
+      return;
+    }
+
+    var insideMenu = e.target.closest('.dropdown-content');
+    if (insideMenu) {
+      var rootInMenu = insideMenu.closest('.dropdown-root');
+      if (e.target.closest('a, button') && rootInMenu) {
+        closeDropdown(rootInMenu);
+      }
+      return;
+    }
+
+    document.querySelectorAll('.dropdown-root').forEach(function (root) {
+      if (!root.contains(e.target)) closeDropdown(root);
+    });
+  });
+})();
+