feat: replace native date inputs with shadcn date picker

Add calendar + popover components and a custom DateTimePicker wrapper.
Video forms use date-only; article forms include a time picker.
Also add video player preview to the video edit form.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

packages/frontend/package.json

@@ -15,7 +15,7 @@
     "@iconify-json/ri": "^1.2.10",
     "@iconify/tailwind4": "^1.2.1",
     "@internationalized/date": "^3.11.0",
-    "@lucide/svelte": "^0.577.0",
+    "@lucide/svelte": "^0.561.0",
     "@sveltejs/adapter-node": "^5.5.4",
     "@sveltejs/adapter-static": "^3.0.10",
     "@sveltejs/kit": "^2.53.4",

packages/frontend/src/lib/components/ui/calendar/calendar-caption.svelte

@@ -0,0 +1,76 @@
+<script lang="ts">
+	import type { ComponentProps } from "svelte";
+	import type Calendar from "./calendar.svelte";
+	import CalendarMonthSelect from "./calendar-month-select.svelte";
+	import CalendarYearSelect from "./calendar-year-select.svelte";
+	import { DateFormatter, getLocalTimeZone, type DateValue } from "@internationalized/date";
+
+	let {
+		captionLayout,
+		months,
+		monthFormat,
+		years,
+		yearFormat,
+		month,
+		locale,
+		placeholder = $bindable(),
+		monthIndex = 0,
+	}: {
+		captionLayout: ComponentProps<typeof Calendar>["captionLayout"];
+		months: ComponentProps<typeof CalendarMonthSelect>["months"];
+		monthFormat: ComponentProps<typeof CalendarMonthSelect>["monthFormat"];
+		years: ComponentProps<typeof CalendarYearSelect>["years"];
+		yearFormat: ComponentProps<typeof CalendarYearSelect>["yearFormat"];
+		month: DateValue;
+		placeholder: DateValue | undefined;
+		locale: string;
+		monthIndex: number;
+	} = $props();
+
+	function formatYear(date: DateValue) {
+		const dateObj = date.toDate(getLocalTimeZone());
+		if (typeof yearFormat === "function") return yearFormat(dateObj.getFullYear());
+		return new DateFormatter(locale, { year: yearFormat }).format(dateObj);
+	}
+
+	function formatMonth(date: DateValue) {
+		const dateObj = date.toDate(getLocalTimeZone());
+		if (typeof monthFormat === "function") return monthFormat(dateObj.getMonth() + 1);
+		return new DateFormatter(locale, { month: monthFormat }).format(dateObj);
+	}
+</script>
+
+{#snippet MonthSelect()}
+	<CalendarMonthSelect
+		{months}
+		{monthFormat}
+		value={month.month}
+		onchange={(e) => {
+			if (!placeholder) return;
+			const v = Number.parseInt(e.currentTarget.value);
+			const newPlaceholder = placeholder.set({ month: v });
+			placeholder = newPlaceholder.subtract({ months: monthIndex });
+		}}
+	/>
+{/snippet}
+
+{#snippet YearSelect()}
+	<CalendarYearSelect {years} {yearFormat} value={month.year} />
+{/snippet}
+
+{#if captionLayout === "dropdown"}
+	{@render MonthSelect()}
+	{@render YearSelect()}
+{:else if captionLayout === "dropdown-months"}
+	{@render MonthSelect()}
+	{#if placeholder}
+		{formatYear(placeholder)}
+	{/if}
+{:else if captionLayout === "dropdown-years"}
+	{#if placeholder}
+		{formatMonth(placeholder)}
+	{/if}
+	{@render YearSelect()}
+{:else}
+	{formatMonth(month)} {formatYear(month)}
+{/if}

packages/frontend/src/lib/components/ui/calendar/calendar-cell.svelte

@@ -0,0 +1,19 @@
+<script lang="ts">
+	import { Calendar as CalendarPrimitive } from "bits-ui";
+	import { cn } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		...restProps
+	}: CalendarPrimitive.CellProps = $props();
+</script>
+
+<CalendarPrimitive.Cell
+	bind:ref
+	class={cn(
+		"relative size-(--cell-size) p-0 text-center text-sm focus-within:z-20 [&:first-child[data-selected]_[data-bits-day]]:rounded-s-md [&:last-child[data-selected]_[data-bits-day]]:rounded-e-md",
+		className
+	)}
+	{...restProps}
+/>

packages/frontend/src/lib/components/ui/calendar/calendar-day.svelte

@@ -0,0 +1,35 @@
+<script lang="ts">
+	import { buttonVariants } from "$lib/components/ui/button/index.js";
+	import { cn } from "$lib/utils.js";
+	import { Calendar as CalendarPrimitive } from "bits-ui";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		...restProps
+	}: CalendarPrimitive.DayProps = $props();
+</script>
+
+<CalendarPrimitive.Day
+	bind:ref
+	class={cn(
+		buttonVariants({ variant: "ghost" }),
+		"flex size-(--cell-size) flex-col items-center justify-center gap-1 p-0 leading-none font-normal whitespace-nowrap select-none",
+		"[&[data-today]:not([data-selected])]:bg-accent [&[data-today]:not([data-selected])]:text-accent-foreground [&[data-today][data-disabled]]:text-muted-foreground",
+		"data-[selected]:bg-primary dark:data-[selected]:hover:bg-accent/50 data-[selected]:text-primary-foreground",
+		// Outside months
+		"[&[data-outside-month]:not([data-selected])]:text-muted-foreground [&[data-outside-month]:not([data-selected])]:hover:text-accent-foreground",
+		// Disabled
+		"data-[disabled]:text-muted-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50",
+		// Unavailable
+		"data-[unavailable]:text-muted-foreground data-[unavailable]:line-through",
+		// hover
+		"dark:hover:text-accent-foreground",
+		// focus
+		"focus:border-ring focus:ring-ring/50 focus:relative",
+		// inner spans
+		"[&>span]:text-xs [&>span]:opacity-70",
+		className
+	)}
+	{...restProps}
+/>

packages/frontend/src/lib/components/ui/calendar/calendar-grid-body.svelte

@@ -0,0 +1,12 @@
+<script lang="ts">
+	import { Calendar as CalendarPrimitive } from "bits-ui";
+	import { cn } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		...restProps
+	}: CalendarPrimitive.GridBodyProps = $props();
+</script>
+
+<CalendarPrimitive.GridBody bind:ref class={cn(className)} {...restProps} />

packages/frontend/src/lib/components/ui/calendar/calendar-grid-head.svelte

@@ -0,0 +1,12 @@
+<script lang="ts">
+	import { Calendar as CalendarPrimitive } from "bits-ui";
+	import { cn } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		...restProps
+	}: CalendarPrimitive.GridHeadProps = $props();
+</script>
+
+<CalendarPrimitive.GridHead bind:ref class={cn(className)} {...restProps} />

packages/frontend/src/lib/components/ui/calendar/calendar-grid-row.svelte

@@ -0,0 +1,12 @@
+<script lang="ts">
+	import { Calendar as CalendarPrimitive } from "bits-ui";
+	import { cn } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		...restProps
+	}: CalendarPrimitive.GridRowProps = $props();
+</script>
+
+<CalendarPrimitive.GridRow bind:ref class={cn("flex", className)} {...restProps} />

packages/frontend/src/lib/components/ui/calendar/calendar-grid.svelte

@@ -0,0 +1,16 @@
+<script lang="ts">
+	import { Calendar as CalendarPrimitive } from "bits-ui";
+	import { cn } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		...restProps
+	}: CalendarPrimitive.GridProps = $props();
+</script>
+
+<CalendarPrimitive.Grid
+	bind:ref
+	class={cn("mt-4 flex w-full border-collapse flex-col gap-1", className)}
+	{...restProps}
+/>

packages/frontend/src/lib/components/ui/calendar/calendar-head-cell.svelte

@@ -0,0 +1,19 @@
+<script lang="ts">
+	import { Calendar as CalendarPrimitive } from "bits-ui";
+	import { cn } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		...restProps
+	}: CalendarPrimitive.HeadCellProps = $props();
+</script>
+
+<CalendarPrimitive.HeadCell
+	bind:ref
+	class={cn(
+		"text-muted-foreground w-(--cell-size) rounded-md text-[0.8rem] font-normal",
+		className
+	)}
+	{...restProps}
+/>

packages/frontend/src/lib/components/ui/calendar/calendar-header.svelte

@@ -0,0 +1,19 @@
+<script lang="ts">
+	import { Calendar as CalendarPrimitive } from "bits-ui";
+	import { cn } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		...restProps
+	}: CalendarPrimitive.HeaderProps = $props();
+</script>
+
+<CalendarPrimitive.Header
+	bind:ref
+	class={cn(
+		"flex h-(--cell-size) w-full items-center justify-center gap-1.5 text-sm font-medium",
+		className
+	)}
+	{...restProps}
+/>

packages/frontend/src/lib/components/ui/calendar/calendar-heading.svelte

@@ -0,0 +1,16 @@
+<script lang="ts">
+	import { Calendar as CalendarPrimitive } from "bits-ui";
+	import { cn } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		...restProps
+	}: CalendarPrimitive.HeadingProps = $props();
+</script>
+
+<CalendarPrimitive.Heading
+	bind:ref
+	class={cn("px-(--cell-size) text-sm font-medium", className)}
+	{...restProps}
+/>

packages/frontend/src/lib/components/ui/calendar/calendar-month-select.svelte

@@ -0,0 +1,48 @@
+<script lang="ts">
+	import { Calendar as CalendarPrimitive } from "bits-ui";
+	import { cn, type WithoutChildrenOrChild } from "$lib/utils.js";
+	import ChevronDownIcon from "@lucide/svelte/icons/chevron-down";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		value,
+		onchange,
+		...restProps
+	}: WithoutChildrenOrChild<CalendarPrimitive.MonthSelectProps> = $props();
+</script>
+
+<span
+	class={cn(
+		"has-focus:border-ring border-input has-focus:ring-ring/50 relative flex rounded-md border shadow-xs has-focus:ring-[3px]",
+		className
+	)}
+>
+	<CalendarPrimitive.MonthSelect
+		bind:ref
+		class="dark:bg-popover dark:text-popover-foreground absolute inset-0 opacity-0"
+		{...restProps}
+	>
+		{#snippet child({ props, monthItems, selectedMonthItem })}
+			<select {...props} {value} {onchange}>
+				{#each monthItems as monthItem (monthItem.value)}
+					<option
+						value={monthItem.value}
+						selected={value !== undefined
+							? monthItem.value === value
+							: monthItem.value === selectedMonthItem.value}
+					>
+						{monthItem.label}
+					</option>
+				{/each}
+			</select>
+			<span
+				class="[&>svg]:text-muted-foreground flex h-8 items-center gap-1 rounded-md ps-2 pe-1 text-sm font-medium select-none [&>svg]:size-3.5"
+				aria-hidden="true"
+			>
+				{monthItems.find((item) => item.value === value)?.label || selectedMonthItem.label}
+				<ChevronDownIcon class="size-4" />
+			</span>
+		{/snippet}
+	</CalendarPrimitive.MonthSelect>
+</span>

packages/frontend/src/lib/components/ui/calendar/calendar-month.svelte

@@ -0,0 +1,15 @@
+<script lang="ts">
+	import { type WithElementRef, cn } from "$lib/utils.js";
+	import type { HTMLAttributes } from "svelte/elements";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		children,
+		...restProps
+	}: WithElementRef<HTMLAttributes<HTMLElement>> = $props();
+</script>
+
+<div {...restProps} bind:this={ref} class={cn("flex flex-col", className)}>
+	{@render children?.()}
+</div>

packages/frontend/src/lib/components/ui/calendar/calendar-months.svelte

@@ -0,0 +1,19 @@
+<script lang="ts">
+	import type { HTMLAttributes } from "svelte/elements";
+	import { cn, type WithElementRef } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		children,
+		...restProps
+	}: WithElementRef<HTMLAttributes<HTMLDivElement>> = $props();
+</script>
+
+<div
+	bind:this={ref}
+	class={cn("relative flex flex-col gap-4 md:flex-row", className)}
+	{...restProps}
+>
+	{@render children?.()}
+</div>

packages/frontend/src/lib/components/ui/calendar/calendar-nav.svelte

@@ -0,0 +1,19 @@
+<script lang="ts">
+	import { cn, type WithElementRef } from "$lib/utils.js";
+	import type { HTMLAttributes } from "svelte/elements";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		children,
+		...restProps
+	}: WithElementRef<HTMLAttributes<HTMLElement>> = $props();
+</script>
+
+<nav
+	{...restProps}
+	bind:this={ref}
+	class={cn("absolute inset-x-0 top-0 flex w-full items-center justify-between gap-1", className)}
+>
+	{@render children?.()}
+</nav>

packages/frontend/src/lib/components/ui/calendar/calendar-next-button.svelte

@@ -0,0 +1,31 @@
+<script lang="ts">
+	import { Calendar as CalendarPrimitive } from "bits-ui";
+	import ChevronRightIcon from "@lucide/svelte/icons/chevron-right";
+	import { buttonVariants, type ButtonVariant } from "$lib/components/ui/button/index.js";
+	import { cn } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		children,
+		variant = "ghost",
+		...restProps
+	}: CalendarPrimitive.NextButtonProps & {
+		variant?: ButtonVariant;
+	} = $props();
+</script>
+
+{#snippet Fallback()}
+	<ChevronRightIcon class="size-4" />
+{/snippet}
+
+<CalendarPrimitive.NextButton
+	bind:ref
+	class={cn(
+		buttonVariants({ variant }),
+		"size-(--cell-size) bg-transparent p-0 select-none disabled:opacity-50 rtl:rotate-180",
+		className
+	)}
+	children={children || Fallback}
+	{...restProps}
+/>

packages/frontend/src/lib/components/ui/calendar/calendar-prev-button.svelte

@@ -0,0 +1,31 @@
+<script lang="ts">
+	import { Calendar as CalendarPrimitive } from "bits-ui";
+	import ChevronLeftIcon from "@lucide/svelte/icons/chevron-left";
+	import { buttonVariants, type ButtonVariant } from "$lib/components/ui/button/index.js";
+	import { cn } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		children,
+		variant = "ghost",
+		...restProps
+	}: CalendarPrimitive.PrevButtonProps & {
+		variant?: ButtonVariant;
+	} = $props();
+</script>
+
+{#snippet Fallback()}
+	<ChevronLeftIcon class="size-4" />
+{/snippet}
+
+<CalendarPrimitive.PrevButton
+	bind:ref
+	class={cn(
+		buttonVariants({ variant }),
+		"size-(--cell-size) bg-transparent p-0 select-none disabled:opacity-50 rtl:rotate-180",
+		className
+	)}
+	children={children || Fallback}
+	{...restProps}
+/>

packages/frontend/src/lib/components/ui/calendar/calendar-year-select.svelte

@@ -0,0 +1,47 @@
+<script lang="ts">
+	import { Calendar as CalendarPrimitive } from "bits-ui";
+	import { cn, type WithoutChildrenOrChild } from "$lib/utils.js";
+	import ChevronDownIcon from "@lucide/svelte/icons/chevron-down";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		value,
+		...restProps
+	}: WithoutChildrenOrChild<CalendarPrimitive.YearSelectProps> = $props();
+</script>
+
+<span
+	class={cn(
+		"has-focus:border-ring border-input has-focus:ring-ring/50 relative flex rounded-md border shadow-xs has-focus:ring-[3px]",
+		className
+	)}
+>
+	<CalendarPrimitive.YearSelect
+		bind:ref
+		class="dark:bg-popover dark:text-popover-foreground absolute inset-0 opacity-0"
+		{...restProps}
+	>
+		{#snippet child({ props, yearItems, selectedYearItem })}
+			<select {...props} {value}>
+				{#each yearItems as yearItem (yearItem.value)}
+					<option
+						value={yearItem.value}
+						selected={value !== undefined
+							? yearItem.value === value
+							: yearItem.value === selectedYearItem.value}
+					>
+						{yearItem.label}
+					</option>
+				{/each}
+			</select>
+			<span
+				class="[&>svg]:text-muted-foreground flex h-8 items-center gap-1 rounded-md ps-2 pe-1 text-sm font-medium select-none [&>svg]:size-3.5"
+				aria-hidden="true"
+			>
+				{yearItems.find((item) => item.value === value)?.label || selectedYearItem.label}
+				<ChevronDownIcon class="size-4" />
+			</span>
+		{/snippet}
+	</CalendarPrimitive.YearSelect>
+</span>

packages/frontend/src/lib/components/ui/calendar/calendar.svelte

@@ -0,0 +1,115 @@
+<script lang="ts">
+	import { Calendar as CalendarPrimitive } from "bits-ui";
+	import * as Calendar from "./index.js";
+	import { cn, type WithoutChildrenOrChild } from "$lib/utils.js";
+	import type { ButtonVariant } from "../button/button.svelte";
+	import { isEqualMonth, type DateValue } from "@internationalized/date";
+	import type { Snippet } from "svelte";
+
+	let {
+		ref = $bindable(null),
+		value = $bindable(),
+		placeholder = $bindable(),
+		class: className,
+		weekdayFormat = "short",
+		buttonVariant = "ghost",
+		captionLayout = "label",
+		locale = "en-US",
+		months: monthsProp,
+		years,
+		monthFormat: monthFormatProp,
+		yearFormat = "numeric",
+		day,
+		disableDaysOutsideMonth = false,
+		...restProps
+	}: WithoutChildrenOrChild<CalendarPrimitive.RootProps> & {
+		buttonVariant?: ButtonVariant;
+		captionLayout?: "dropdown" | "dropdown-months" | "dropdown-years" | "label";
+		months?: CalendarPrimitive.MonthSelectProps["months"];
+		years?: CalendarPrimitive.YearSelectProps["years"];
+		monthFormat?: CalendarPrimitive.MonthSelectProps["monthFormat"];
+		yearFormat?: CalendarPrimitive.YearSelectProps["yearFormat"];
+		day?: Snippet<[{ day: DateValue; outsideMonth: boolean }]>;
+	} = $props();
+
+	const monthFormat = $derived.by(() => {
+		if (monthFormatProp) return monthFormatProp;
+		if (captionLayout.startsWith("dropdown")) return "short";
+		return "long";
+	});
+</script>
+
+<!--
+Discriminated Unions + Destructing (required for bindable) do not
+get along, so we shut typescript up by casting `value` to `never`.
+-->
+<CalendarPrimitive.Root
+	bind:value={value as never}
+	bind:ref
+	bind:placeholder
+	{weekdayFormat}
+	{disableDaysOutsideMonth}
+	class={cn(
+		"bg-background group/calendar p-3 [--cell-size:--spacing(8)] [[data-slot=card-content]_&]:bg-transparent [[data-slot=popover-content]_&]:bg-transparent",
+		className
+	)}
+	{locale}
+	{monthFormat}
+	{yearFormat}
+	{...restProps}
+>
+	{#snippet children({ months, weekdays })}
+		<Calendar.Months>
+			<Calendar.Nav>
+				<Calendar.PrevButton variant={buttonVariant} />
+				<Calendar.NextButton variant={buttonVariant} />
+			</Calendar.Nav>
+			{#each months as month, monthIndex (month)}
+				<Calendar.Month>
+					<Calendar.Header>
+						<Calendar.Caption
+							{captionLayout}
+							months={monthsProp}
+							{monthFormat}
+							{years}
+							{yearFormat}
+							month={month.value}
+							bind:placeholder
+							{locale}
+							{monthIndex}
+						/>
+					</Calendar.Header>
+					<Calendar.Grid>
+						<Calendar.GridHead>
+							<Calendar.GridRow class="select-none">
+								{#each weekdays as weekday (weekday)}
+									<Calendar.HeadCell>
+										{weekday.slice(0, 2)}
+									</Calendar.HeadCell>
+								{/each}
+							</Calendar.GridRow>
+						</Calendar.GridHead>
+						<Calendar.GridBody>
+							{#each month.weeks as weekDates (weekDates)}
+								<Calendar.GridRow class="mt-2 w-full">
+									{#each weekDates as date (date)}
+										<Calendar.Cell {date} month={month.value}>
+											{#if day}
+												{@render day({
+													day: date,
+													outsideMonth: !isEqualMonth(date, month.value),
+												})}
+											{:else}
+												<Calendar.Day />
+											{/if}
+										</Calendar.Cell>
+									{/each}
+								</Calendar.GridRow>
+							{/each}
+						</Calendar.GridBody>
+					</Calendar.Grid>
+				</Calendar.Month>
+			{/each}
+		</Calendar.Months>
+	{/snippet}
+</CalendarPrimitive.Root>

packages/frontend/src/lib/components/ui/calendar/index.ts

@@ -0,0 +1,40 @@
+import Root from "./calendar.svelte";
+import Cell from "./calendar-cell.svelte";
+import Day from "./calendar-day.svelte";
+import Grid from "./calendar-grid.svelte";
+import Header from "./calendar-header.svelte";
+import Months from "./calendar-months.svelte";
+import GridRow from "./calendar-grid-row.svelte";
+import Heading from "./calendar-heading.svelte";
+import GridBody from "./calendar-grid-body.svelte";
+import GridHead from "./calendar-grid-head.svelte";
+import HeadCell from "./calendar-head-cell.svelte";
+import NextButton from "./calendar-next-button.svelte";
+import PrevButton from "./calendar-prev-button.svelte";
+import MonthSelect from "./calendar-month-select.svelte";
+import YearSelect from "./calendar-year-select.svelte";
+import Month from "./calendar-month.svelte";
+import Nav from "./calendar-nav.svelte";
+import Caption from "./calendar-caption.svelte";
+
+export {
+	Day,
+	Cell,
+	Grid,
+	Header,
+	Months,
+	GridRow,
+	Heading,
+	GridBody,
+	GridHead,
+	HeadCell,
+	NextButton,
+	PrevButton,
+	Nav,
+	Month,
+	YearSelect,
+	MonthSelect,
+	Caption,
+	//
+	Root as Calendar,
+};

packages/frontend/src/lib/components/ui/date-picker/date-picker.svelte

@@ -0,0 +1,85 @@
+<script lang="ts">
+  import { parseDate, type DateValue } from "@internationalized/date";
+  import { Calendar } from "$lib/components/ui/calendar";
+  import * as Popover from "$lib/components/ui/popover";
+  import { Button } from "$lib/components/ui/button";
+
+  let {
+    value = $bindable(""),
+    placeholder = "Pick a date",
+    showTime = true,
+  }: {
+    value?: string;
+    placeholder?: string;
+    showTime?: boolean;
+  } = $props();
+
+  function toCalendarDate(v: string): DateValue | undefined {
+    if (!v) return undefined;
+    try {
+      return parseDate(v.slice(0, 10));
+    } catch {
+      return undefined;
+    }
+  }
+
+  function pad(n: number) {
+    return String(n).padStart(2, "0");
+  }
+
+  let calendarDate = $state<DateValue | undefined>(toCalendarDate(value));
+  let timeStr = $state(value.length >= 16 ? value.slice(11, 16) : "00:00");
+  let open = $state(false);
+
+  $effect(() => {
+    if (calendarDate) {
+      const d = calendarDate;
+      const dateStr = `${d.year}-${pad(d.month)}-${pad(d.day)}`;
+      value = showTime ? `${dateStr}T${timeStr}` : dateStr;
+    } else {
+      value = "";
+    }
+  });
+
+  let displayLabel = $derived.by(() => {
+    if (!calendarDate) return placeholder;
+    const d = calendarDate;
+    const date = new Date(d.year, d.month - 1, d.day);
+    const dateLabel = date.toLocaleDateString("en-US", {
+      year: "numeric",
+      month: "long",
+      day: "numeric",
+    });
+    return showTime ? `${dateLabel} ${timeStr}` : dateLabel;
+  });
+</script>
+
+<Popover.Root bind:open>
+  <Popover.Trigger>
+    {#snippet child({ props })}
+      <Button
+        variant="outline"
+        {...props}
+        class="w-full justify-start font-normal {!calendarDate ? 'text-muted-foreground' : ''}"
+      >
+        <span class="icon-[ri--calendar-line] h-4 w-4 mr-2 shrink-0"></span>
+        {displayLabel}
+      </Button>
+    {/snippet}
+  </Popover.Trigger>
+  <Popover.Content class="w-auto p-0" align="start">
+    <Calendar bind:value={calendarDate} />
+    {#if showTime}
+      <div class="border-t border-border/40 p-3">
+        <input
+          type="time"
+          value={timeStr}
+          oninput={(e) => {
+            timeStr = (e.target as HTMLInputElement).value;
+          }}
+          class="w-full rounded-md border border-input bg-background px-3 py-1.5 text-sm ring-offset-background focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
+        />
+      </div>
+    {/if}
+  </Popover.Content>
+</Popover.Root>

packages/frontend/src/lib/components/ui/date-picker/index.ts

@@ -0,0 +1 @@
+export { default as DatePicker } from "./date-picker.svelte";

packages/frontend/src/lib/components/ui/popover/index.ts

@@ -0,0 +1,19 @@
+import Root from "./popover.svelte";
+import Close from "./popover-close.svelte";
+import Content from "./popover-content.svelte";
+import Trigger from "./popover-trigger.svelte";
+import Portal from "./popover-portal.svelte";
+
+export {
+	Root,
+	Content,
+	Trigger,
+	Close,
+	Portal,
+	//
+	Root as Popover,
+	Content as PopoverContent,
+	Trigger as PopoverTrigger,
+	Close as PopoverClose,
+	Portal as PopoverPortal,
+};

packages/frontend/src/lib/components/ui/popover/popover-close.svelte

@@ -0,0 +1,7 @@
+<script lang="ts">
+	import { Popover as PopoverPrimitive } from "bits-ui";
+
+	let { ref = $bindable(null), ...restProps }: PopoverPrimitive.CloseProps = $props();
+</script>
+
+<PopoverPrimitive.Close bind:ref data-slot="popover-close" {...restProps} />

packages/frontend/src/lib/components/ui/popover/popover-content.svelte

@@ -0,0 +1,31 @@
+<script lang="ts">
+	import { Popover as PopoverPrimitive } from "bits-ui";
+	import PopoverPortal from "./popover-portal.svelte";
+	import { cn, type WithoutChildrenOrChild } from "$lib/utils.js";
+	import type { ComponentProps } from "svelte";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		sideOffset = 4,
+		align = "center",
+		portalProps,
+		...restProps
+	}: PopoverPrimitive.ContentProps & {
+		portalProps?: WithoutChildrenOrChild<ComponentProps<typeof PopoverPortal>>;
+	} = $props();
+</script>
+
+<PopoverPortal {...portalProps}>
+	<PopoverPrimitive.Content
+		bind:ref
+		data-slot="popover-content"
+		{sideOffset}
+		{align}
+		class={cn(
+			"bg-popover text-popover-foreground data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-end-2 data-[side=right]:slide-in-from-start-2 data-[side=top]:slide-in-from-bottom-2 z-50 w-72 origin-(--bits-popover-content-transform-origin) rounded-md border p-4 shadow-md outline-hidden",
+			className
+		)}
+		{...restProps}
+	/>
+</PopoverPortal>

packages/frontend/src/lib/components/ui/popover/popover-portal.svelte

@@ -0,0 +1,7 @@
+<script lang="ts">
+	import { Popover as PopoverPrimitive } from "bits-ui";
+
+	let { ...restProps }: PopoverPrimitive.PortalProps = $props();
+</script>
+
+<PopoverPrimitive.Portal {...restProps} />

packages/frontend/src/lib/components/ui/popover/popover-trigger.svelte

@@ -0,0 +1,17 @@
+<script lang="ts">
+	import { cn } from "$lib/utils.js";
+	import { Popover as PopoverPrimitive } from "bits-ui";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		...restProps
+	}: PopoverPrimitive.TriggerProps = $props();
+</script>
+
+<PopoverPrimitive.Trigger
+	bind:ref
+	data-slot="popover-trigger"
+	class={cn("", className)}
+	{...restProps}
+/>

packages/frontend/src/lib/components/ui/popover/popover.svelte

@@ -0,0 +1,7 @@
+<script lang="ts">
+	import { Popover as PopoverPrimitive } from "bits-ui";
+
+	let { open = $bindable(false), ...restProps }: PopoverPrimitive.RootProps = $props();
+</script>
+
+<PopoverPrimitive.Root bind:open {...restProps} />

packages/frontend/src/routes/admin/articles/[id]/+page.svelte

@@ -12,6 +12,7 @@
   import { FileDropZone, MEGABYTE } from "$lib/components/ui/file-drop-zone";
   import { getAssetUrl } from "$lib/api";
   import { Select, SelectContent, SelectItem, SelectTrigger } from "$lib/components/ui/select";
+  import { DatePicker } from "$lib/components/ui/date-picker";
 
   const { data } = $props();
 
@@ -178,8 +179,8 @@
         <Input id="category" bind:value={category} />
       </div>
       <div class="space-y-1.5">
-        <Label for="publishDate">{$_("admin.common.publish_date")}</Label>
+        <Label>{$_("admin.common.publish_date")}</Label>
-        <Input id="publishDate" type="datetime-local" bind:value={publishDate} />
+        <DatePicker bind:value={publishDate} placeholder={$_("admin.common.publish_date")} />
       </div>
     </div>
 

packages/frontend/src/routes/admin/articles/new/+page.svelte

@@ -9,6 +9,7 @@
   import { Label } from "$lib/components/ui/label";
   import { Textarea } from "$lib/components/ui/textarea";
   import { TagsInput } from "$lib/components/ui/tags-input";
+  import { DatePicker } from "$lib/components/ui/date-picker";
   import { FileDropZone, MEGABYTE } from "$lib/components/ui/file-drop-zone";
 
   let title = $state("");
@@ -154,8 +155,8 @@
         <Input id="category" bind:value={category} placeholder={$_("admin.article_form.category_placeholder")} />
       </div>
       <div class="space-y-1.5">
-        <Label for="publishDate">{$_("admin.common.publish_date")}</Label>
+        <Label>{$_("admin.common.publish_date")}</Label>
-        <Input id="publishDate" type="datetime-local" bind:value={publishDate} />
+        <DatePicker bind:value={publishDate} placeholder={$_("admin.common.publish_date")} />
       </div>
     </div>
 

packages/frontend/src/routes/admin/videos/[id]/+page.svelte

@@ -11,6 +11,7 @@
   import { FileDropZone, MEGABYTE } from "$lib/components/ui/file-drop-zone";
   import { getAssetUrl } from "$lib/api";
   import { Select, SelectContent, SelectItem, SelectTrigger } from "$lib/components/ui/select";
+  import { DatePicker } from "$lib/components/ui/date-picker";
 
   const { data } = $props();
 
@@ -124,7 +125,12 @@
     <div class="space-y-1.5">
       <Label>{$_("admin.video_form.video_file")}</Label>
       {#if movieId}
-        <p class="text-xs text-muted-foreground mb-1">{$_("admin.video_form.current_file", { values: { id: movieId } })}</p>
+        <video
+          src={getAssetUrl(movieId)}
+          poster={imageId ? getAssetUrl(imageId, "preview") ?? undefined : undefined}
+          controls
+          class="w-full rounded-lg bg-black max-h-72 mb-2"
+        ></video>
       {/if}
       <FileDropZone accept="video/*" maxFileSize={2000 * MEGABYTE} onUpload={handleVideoUpload} />
     </div>
@@ -135,8 +141,8 @@
     </div>
 
     <div class="space-y-1.5">
-      <Label for="uploadDate">{$_("admin.common.publish_date")}</Label>
+      <Label>{$_("admin.common.publish_date")}</Label>
-      <Input id="uploadDate" type="datetime-local" bind:value={uploadDate} />
+      <DatePicker bind:value={uploadDate} placeholder={$_("admin.common.publish_date")} showTime={false} />
     </div>
 
     <div class="flex gap-6">

packages/frontend/src/routes/admin/videos/new/+page.svelte

@@ -8,6 +8,7 @@
   import { Label } from "$lib/components/ui/label";
   import { Textarea } from "$lib/components/ui/textarea";
   import { TagsInput } from "$lib/components/ui/tags-input";
+  import { DatePicker } from "$lib/components/ui/date-picker";
   import { FileDropZone, MEGABYTE } from "$lib/components/ui/file-drop-zone";
 
   const { data } = $props();
@@ -151,8 +152,8 @@
     </div>
 
     <div class="space-y-1.5">
-      <Label for="uploadDate">{$_("admin.common.publish_date")}</Label>
+      <Label>{$_("admin.common.publish_date")}</Label>
-      <Input id="uploadDate" type="datetime-local" bind:value={uploadDate} />
+      <DatePicker bind:value={uploadDate} placeholder={$_("admin.common.publish_date")} showTime={false} />
     </div>
 
     <div class="flex gap-6">

pnpm-lock.yaml

@@ -186,8 +186,8 @@ importers:
         specifier: ^3.11.0
         version: 3.11.0
       '@lucide/svelte':
-        specifier: ^0.577.0
+        specifier: ^0.561.0
-        version: 0.577.0(svelte@5.53.7)
+        version: 0.561.0(svelte@5.53.7)
       '@sveltejs/adapter-node':
         specifier: ^5.5.4
         version: 5.5.4(@sveltejs/kit@2.53.4(@sveltejs/vite-plugin-svelte@6.2.4(svelte@5.53.7)(vite@7.3.1(@types/node@25.3.3)(jiti@2.6.1)(lightningcss@1.31.1)(terser@5.46.0)(tsx@4.21.0)))(svelte@5.53.7)(typescript@5.9.3)(vite@7.3.1(@types/node@25.3.3)(jiti@2.6.1)(lightningcss@1.31.1)(terser@5.46.0)(tsx@4.21.0)))
@@ -1202,8 +1202,8 @@ packages:
   '@jridgewell/trace-mapping@0.3.31':
     resolution: {integrity: sha512-zzNR+SdQSDJzc8joaeP8QQoCQr8NuYx2dIIytl1QeBEZHJ9uW6hebsrYgbz8hJwUQao3TWCMtmfV8Nu1twOLAw==}
 
-  '@lucide/svelte@0.577.0':
+  '@lucide/svelte@0.561.0':
-    resolution: {integrity: sha512-0P6mkySd2MapIEgq08tADPmcN4DHndC/02PWwaLkOerXlx5Sv9aT4BxyXLIY+eccr0g/nEyCYiJesqS61YdBZQ==}
+    resolution: {integrity: sha512-vofKV2UFVrKE6I4ewKJ3dfCXSV6iP6nWVmiM83MLjsU91EeJcEg7LoWUABLp/aOTxj1HQNbJD1f3g3L0JQgH9A==}
     peerDependencies:
       svelte: ^5
 
@@ -4138,7 +4138,7 @@ snapshots:
       '@jridgewell/resolve-uri': 3.1.2
       '@jridgewell/sourcemap-codec': 1.5.5
 
-  '@lucide/svelte@0.577.0(svelte@5.53.7)':
+  '@lucide/svelte@0.561.0(svelte@5.53.7)':
     dependencies:
       svelte: 5.53.7