refactored event styling

src/core/draw/event.typ

@@ -1,18 +1,26 @@
+#import "/src/cetz.typ": styles
+
 #import "/src/consts.typ": *
 #import "/src/core/utils.typ": get-ctx, set-ctx
 
 #let render(evt) = get-ctx(ctx => {
+  let style = styles.resolve(
+    ctx.style,
+    merge: evt.style,
+    root: "event",
+    base: ()
+  )
+
   let par-name = evt.participant
   let i = ctx.pars-i.at(par-name)
   let par = ctx.participants.at(i)
   let line = ctx.lifelines.at(i)
-  let entry = (type: evt.event, y: ctx.y)
+  let entry = (type: evt.event, y: ctx.y, style: style)
 
   if evt.event == "disable" {
     line.level -= 1
   } else if evt.event == "enable" {
     line.level += 1
-    entry.insert("style", evt.lifeline-style)
   } else if evt.event == "create" {
     ctx.y -= CREATE-OFFSET
     entry.y = ctx.y