feat: styles and mark tasks

src/components/task.tsx

@@ -1,16 +1,40 @@
 import { FunctionComponent } from "preact";
+import { tv } from "tailwind-variants";
 import classes from "./task.module.scss";
 
 interface TaskProps {
   name: string;
+  checked?: boolean;
 }
 
-const Task: FunctionComponent<TaskProps> = ({ name }: TaskProps) => {
+const taskStyle = tv({
+  base: "flex aspect-square h-full flex-col items-center justify-center rounded-full border",
+  variants: {
+    checked: {
+      true: "bg-black",
+      false: "bg-white",
+    },
+  },
+});
+
+const markStyle = tv({
+  base: "text-4xl font-light text-white",
+  variants: {
+    checked: {
+      true: "block",
+      false: "hidden",
+    },
+  },
+});
+
+const Task: FunctionComponent<TaskProps> = ({ name, checked = false }: TaskProps) => {
   return (
     // Временное действие для тестирования
     <button onClick={() => alert(name)}>
       <div class={classes.task}>
-        <div class="aspect-square h-full rounded-full border bg-white"></div>
+        <div class={taskStyle({ checked })}>
+          <p class={markStyle({ checked })}>✓</p>
+        </div>
         {name}
       </div>
     </button>