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

client/src/styles/components/_readings.scss

@@ -0,0 +1,28 @@
+@use '../abstracts' as *;
+
+.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;
+	}
+}