src/layouts/AdminLayout.astro

---
import OverlayWallpaper from "@components/features/OverlayWallpaper.astro";
import Navbar from "@components/layout/Navbar.astro";
import ImageWrapper from "@/components/common/ImageWrapper.astro";
import { backgroundWallpaper, siteConfig } from "@/config";
import { getBackgroundImages } from "@/utils/layout-utils";
import Layout from "./Layout.astro";

interface Props {
	title?: string;
	description?: string;
}

const { title, description } = Astro.props;
const backgroundImages = getBackgroundImages();
const bannerImage =
	typeof backgroundImages.desktop === "string"
		? backgroundImages.desktop
		: typeof backgroundImages.mobile === "string"
			? backgroundImages.mobile
			: "";
const isOverlayMode = backgroundWallpaper.mode === "overlay";
const isWallpaperSwitchable = backgroundWallpaper.switchable ?? true;
---

<Layout title={title} description={description}>
	{(isWallpaperSwitchable || isOverlayMode) && (
		<OverlayWallpaper
			config={{
				src: {
					desktop:
						typeof backgroundImages.desktop === "string"
							? backgroundImages.desktop
							: "",
					mobile:
						typeof backgroundImages.mobile === "string"
							? backgroundImages.mobile
							: "",
				},
				zIndex: backgroundWallpaper.overlay?.zIndex,
				opacity: backgroundWallpaper.overlay?.opacity,
				blur: backgroundWallpaper.overlay?.blur,
			}}
			className={isOverlayMode ? undefined : "hidden opacity-0"}
		/>
	)}

	<slot slot="head" name="head" />

	<div
		id="admin-top-row"
		class:list={[
			"z-50 pointer-events-none relative transition-all duration-700 mx-auto",
			siteConfig.navbar.widthFull ? "" : "max-w-(--page-width) px-0 md:px-4",
		]}
	>
		<div id="navbar-wrapper" class="pointer-events-auto sticky top-0 transition-all">
			<Navbar />
		</div>
	</div>

	<section class="relative z-20 w-full px-2 pt-6 md:px-4 md:pt-8">
		<div class="mx-auto max-w-(--page-width)">
			<div class="card-base admin-hero overflow-hidden">
				<div class="admin-hero-frame">
					{bannerImage ? (
						<ImageWrapper
							src={bannerImage}
							alt="Admin banner image"
							class="admin-hero-media absolute inset-0 h-full w-full"
							loading="eager"
							fetchpriority="high"
							layout="none"
							widths={[1280, 1920]}
							sizes="100vw"
						/>
					) : (
						<div class="admin-hero-fallback absolute inset-0" />
					)}
					<div class="absolute inset-0 admin-hero-overlay" />
					<div class="absolute inset-0 admin-hero-grid gap-5 p-6 text-white md:p-8">
						<div class="admin-hero-copy flex max-w-3xl flex-col gap-4">
							<div class="inline-flex w-fit items-center gap-2 rounded-full bg-white/15 px-3 py-1 text-sm font-medium backdrop-blur-md">
							<span class="h-2.5 w-2.5 rounded-full bg-[oklch(0.75_0.14_var(--hue))]" />
							Firefly Admin
							</div>
							<div class="max-w-3xl">
								<h1 class="banner-title text-3xl font-bold md:text-5xl">
									博客后台管理
								</h1>
								<p class="banner-subtitle mt-3 max-w-2xl text-sm text-white/85 md:text-lg">
									统一管理站点配置、文章、图片与重建状态，界面风格和前台博客保持一致。
								</p>
							</div>
						</div>
					</div>
				</div>
			</div>
		</div>
	</section>

	<main class="relative z-30 -mt-5 w-full px-2 pb-10 pt-0 md:-mt-6 md:px-4">
		<div class="mx-auto max-w-(--page-width)">
			<slot />
		</div>
	</main>
</Layout>

<style>
	#admin-top-row {
		height: auto;
	}

	.admin-hero-overlay {
		background:
			linear-gradient(135deg, rgb(9 23 30 / 0.86), rgb(18 38 48 / 0.56)),
			linear-gradient(180deg, rgb(0 0 0 / 0.12), rgb(0 0 0 / 0.42));
	}

	.admin-hero-frame {
		position: relative;
		height: clamp(15rem, 26vw, 20rem);
	}

	.admin-hero-media {
		position: absolute;
		inset: 0;
	}

	.admin-hero :global(picture),
	.admin-hero :global(img[data-astro-image]),
	.admin-hero :global(img) {
		display: block;
		width: 100%;
		height: 100% !important;
		max-width: none;
		object-fit: cover;
	}

	.admin-hero-fallback {
		background:
			radial-gradient(circle at top right, rgb(255 255 255 / 0.18), transparent 36%),
			linear-gradient(135deg, oklch(0.32 0.06 calc(var(--hue) * 1deg)), oklch(0.42 0.08 calc(var(--hue) * 1deg)));
	}

	.admin-hero-grid {
		display: flex;
		align-items: flex-start;
	}

	.admin-hero-copy {
		padding-top: clamp(0.5rem, 2vw, 1.25rem);
	}

	@media (max-width: 959px) {
		.admin-hero-frame {
			height: auto;
			min-height: 14rem;
		}
	}
</style>