diff --git a/src/components/Card.astro b/src/components/Card.astro
index 63a38f5..1bf61da 100644
--- a/src/components/Card.astro
+++ b/src/components/Card.astro
@@ -1,36 +1,31 @@
 ---
-import { slugifyStr } from "@/utils/slugify";
 import type { CollectionEntry } from "astro:content";
+import { slugifyStr } from "@/utils/slugify";
 import { getPath } from "@/utils/getPath";
 import Datetime from "./Datetime.astro";
 
-export interface Props extends CollectionEntry<"blog"> {
+type Props = {
   variant?: "h2" | "h3";
-}
+} & CollectionEntry<"blog">;
 
-const { variant = "h2", data, id, filePath } = Astro.props;
+const { variant: Heading = "h2", id, data, filePath } = Astro.props;
 
-const { title, description, pubDatetime, modDatetime, timezone } = data;
-
-const headerProps = {
-  style: { viewTransitionName: slugifyStr(title) },
-  class: "text-lg font-medium decoration-dashed hover:underline",
-};
+const { title, description, ...props } = data;
 ---
 
 <li class="my-6">
   <a
     href={getPath(id, filePath)}
-    class="inline-block text-lg font-medium text-accent decoration-dashed underline-offset-4 focus-visible:no-underline focus-visible:underline-offset-0"
+    class:list={[
+      "inline-block text-lg font-medium text-accent",
+      "decoration-dashed underline-offset-4 hover:underline",
+      "focus-visible:no-underline focus-visible:underline-offset-0",
+    ]}
   >
-    {
-      variant === "h2" ? (
-        <h2 {...headerProps}>{title}</h2>
-      ) : (
-        <h3 {...headerProps}>{title}</h3>
-      )
-    }
+    <Heading style={{ viewTransitionName: slugifyStr(title) }}>
+      {title}
+    </Heading>
   </a>
-  <Datetime {pubDatetime} {modDatetime} {timezone} />
+  <Datetime {...props} />
   <p>{description}</p>
 </li>
diff --git a/src/components/Datetime.astro b/src/components/Datetime.astro
index 000dd84..e16834f 100644
--- a/src/components/Datetime.astro
+++ b/src/components/Datetime.astro
@@ -8,13 +8,13 @@ import { SITE } from "@/config";
 dayjs.extend(utc);
 dayjs.extend(timezone);
 
-export interface Props {
+type Props = {
   class?: string;
   size?: "sm" | "lg";
-  timezone: string | undefined;
   pubDatetime: string | Date;
-  modDatetime: string | Date | undefined | null;
-}
+  timezone?: string;
+  modDatetime?: string | Date | null;
+};
 
 const {
   pubDatetime,
@@ -37,7 +37,7 @@ const date = datetime.format("D MMM, YYYY"); // e.g., '22 Mar, 2025'
 <div class:list={["flex items-center gap-x-2 opacity-80", className]}>
   <IconCalendar
     class:list={[
-      "inline-block size-6 min-w-[1.375rem]",
+      "inline-block size-6 min-w-5.5",
       { "scale-90": size === "sm" },
     ]}
   />
diff --git a/src/components/EditPost.astro b/src/components/EditPost.astro
index 79d7d5a..fe3726b 100644
--- a/src/components/EditPost.astro
+++ b/src/components/EditPost.astro
@@ -3,11 +3,11 @@ import type { CollectionEntry } from "astro:content";
 import IconEdit from "@/assets/icons/IconEdit.svg";
 import { SITE } from "@/config";
 
-export interface Props {
+type Props = {
   hideEditPost?: CollectionEntry<"blog">["data"]["hideEditPost"];
   class?: string;
   post: CollectionEntry<"blog">;
-}
+};
 
 const { hideEditPost, post, class: className = "" } = Astro.props;
 
diff --git a/src/components/Footer.astro b/src/components/Footer.astro
index 27d9f70..2283c7f 100644
--- a/src/components/Footer.astro
+++ b/src/components/Footer.astro
@@ -1,16 +1,20 @@
 ---
+import type { HTMLAttributes } from "astro/types";
 import Socials from "./Socials.astro";
 
 const currentYear = new Date().getFullYear();
 
-export interface Props {
+type Props = {
   noMarginTop?: boolean;
-}
+} & HTMLAttributes<"footer">;
 
-const { noMarginTop = false } = Astro.props;
+const { noMarginTop = false, class: className, ...attrs } = Astro.props;
 ---
 
-<footer class:list={["app-layout", { "mt-auto": !noMarginTop }]}>
+<footer
+  class:list={["app-layout", { "mt-auto": !noMarginTop }, className]}
+  {...attrs}
+>
   <div
     class:list={[
       "py-6 sm:py-4",
diff --git a/src/components/Pagination.astro b/src/components/Pagination.astro
index 5fb3a83..1f6f367 100644
--- a/src/components/Pagination.astro
+++ b/src/components/Pagination.astro
@@ -5,9 +5,9 @@ import IconArrowLeft from "@/assets/icons/IconArrowLeft.svg";
 import IconArrowRight from "@/assets/icons/IconArrowRight.svg";
 import LinkButton from "./LinkButton.astro";
 
-export interface Props {
+type Props = {
   page: Page<CollectionEntry<"blog">>;
-}
+};
 
 const { page } = Astro.props;
 ---
diff --git a/src/layouts/AboutLayout.astro b/src/layouts/AboutLayout.astro
index fd4c3fa..f9e3665 100644
--- a/src/layouts/AboutLayout.astro
+++ b/src/layouts/AboutLayout.astro
@@ -1,16 +1,12 @@
 ---
+import type { MarkdownLayoutProps } from "astro";
 import Header from "@/components/Header.astro";
 import Footer from "@/components/Footer.astro";
 import Breadcrumb from "@/components/Breadcrumb.astro";
 import Layout from "./Layout.astro";
 import { SITE } from "@/config";
 
-export interface Props {
-  frontmatter: {
-    title: string;
-    description?: string;
-  };
-}
+type Props = MarkdownLayoutProps<{ title: string }>;
 
 const { frontmatter } = Astro.props;
 ---
diff --git a/src/layouts/Layout.astro b/src/layouts/Layout.astro
index 2a3f1de..380886c 100644
--- a/src/layouts/Layout.astro
+++ b/src/layouts/Layout.astro
@@ -4,7 +4,7 @@ import { PUBLIC_GOOGLE_SITE_VERIFICATION } from "astro:env/client";
 import { SITE } from "@/config";
 import "@/styles/global.css";
 
-export interface Props {
+type Props = {
   title?: string;
   author?: string;
   profile?: string;
@@ -14,7 +14,7 @@ export interface Props {
   pubDatetime?: Date;
   modDatetime?: Date | null;
   scrollSmooth?: boolean;
-}
+};
 
 const {
   title = SITE.title,
diff --git a/src/layouts/Main.astro b/src/layouts/Main.astro
index 96dd51a..18cdb30 100644
--- a/src/layouts/Main.astro
+++ b/src/layouts/Main.astro
@@ -2,18 +2,10 @@
 import Breadcrumb from "@/components/Breadcrumb.astro";
 import { SITE } from "@/config";
 
-interface StringTitleProp {
-  pageTitle: string;
-  pageDesc?: string;
-}
+type StringTitle = { pageTitle: string };
+type ArrayTitle = { pageTitle: [string, string]; titleTransition: string };
 
-interface ArrayTitleProp {
-  pageTitle: [string, string];
-  titleTransition: string;
-  pageDesc?: string;
-}
-
-export type Props = StringTitleProp | ArrayTitleProp;
+type Props = (StringTitle | ArrayTitle) & { pageDesc?: string };
 
 const { props } = Astro;
 
diff --git a/src/pages/posts/[...slug]/index.astro b/src/pages/posts/[...slug]/index.astro
index 340be11..cb3b666 100644
--- a/src/pages/posts/[...slug]/index.astro
+++ b/src/pages/posts/[...slug]/index.astro
@@ -4,9 +4,9 @@ import PostDetails from "@/layouts/PostDetails.astro";
 import getSortedPosts from "@/utils/getSortedPosts";
 import { getPath } from "@/utils/getPath";
 
-export interface Props {
+type Props = {
   post: CollectionEntry<"blog">;
-}
+};
 
 export async function getStaticPaths() {
   const posts = await getCollection("blog", ({ data }) => !data.draft);