style: improve calendar spacing — more room and height

- Day cell padding: 3px → 6px vertical
- Header/cell padding: 2px → 4px vertical
- Breadcrumb padding: 2px → 4px vertical
- Top row margin-bottom: 6px → 10px
- Line-height: 1.6 on calendar cells

styles.css

@@ -64,7 +64,7 @@
 	display: flex;
 	align-items: center;
 	justify-content: space-between;
-	margin-bottom: 6px;
+	margin-bottom: 10px;
 }
 
 .waypoint-calendar-breadcrumb {
@@ -73,7 +73,7 @@
 	gap: 6px;
 	font-size: var(--font-ui-medium);
 	font-weight: var(--font-semibold);
-	padding: 2px 0;
+	padding: 4px 0;
 }
 
 .waypoint-calendar-breadcrumb .waypoint-clickable {
@@ -127,8 +127,9 @@
 .waypoint-calendar th,
 .waypoint-calendar td {
 	text-align: center;
-	padding: 2px 1px;
+	padding: 4px 2px;
 	font-size: var(--font-ui-small);
+	line-height: 1.6;
 }
 
 .waypoint-calendar th {
@@ -153,7 +154,7 @@
 
 .waypoint-calendar .waypoint-day {
 	cursor: var(--cursor);
-	padding: 3px 0;
+	padding: 6px 0;
 	border-radius: 6px;
 	position: relative;
 	width: 100%;