add more infos to overview, fix redo lessons button, add readings to review for clarification

client/src/styles/pages/_lesson.scss

@@ -16,52 +16,6 @@
 	height: $size-hero-wrapper;
 }
 
-.radical-section {
-	width: 100%;
-	background: $color-zinc-900;
-	border-radius: $radius-md;
-	padding: $spacing-md;
-	margin-bottom: $spacing-lg;
-}
-
-.radical-chip {
-	border-radius: $radius-md;
-	border: $border-width-sm solid $color-border;
-	background-color: $color-surface-lighter;
-
-	img {
-		filter: invert(1);
-		width: 100%;
-	}
-}
-
-.readings-grid {
-	display: grid;
-	grid-template-columns: 1fr 1fr;
-	gap: $spacing-lg;
-	width: 100%;
-}
-
-.reading-box {
-	background: $color-reading-box;
-	padding: $spacing-lg;
-	border-radius: $radius-lg;
-	text-align: center;
-
-	.label {
-		font-size: $font-xs;
-		color: #666;
-		letter-spacing: 0.0625rem;
-		text-transform: uppercase;
-		margin-bottom: $spacing-xs;
-	}
-
-	.val {
-		font-size: 1.1rem;
-		font-weight: $weight-bold;
-	}
-}
-
 .lesson-canvas-wrapper {
 	margin: 0 auto;
 }