From a4a27611dd94ecbb6ebb85ee49fd12c83984596e Mon Sep 17 00:00:00 2001
From: omkarht <omkar@mermaidchart.com>
Date: Tue, 1 Jul 2025 18:11:41 +0530
Subject: [PATCH] fix: minor refinement

---
 .../src/diagrams/sequence/sequenceRenderer.ts        | 12 ++++++++----
 packages/mermaid/src/diagrams/sequence/svgDraw.js    | 12 ++++++------
 2 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/packages/mermaid/src/diagrams/sequence/sequenceRenderer.ts b/packages/mermaid/src/diagrams/sequence/sequenceRenderer.ts
index e44431928..d390ebada 100644
--- a/packages/mermaid/src/diagrams/sequence/sequenceRenderer.ts
+++ b/packages/mermaid/src/diagrams/sequence/sequenceRenderer.ts
@@ -1076,10 +1076,11 @@ export const draw = async function (_text: string, id: string, _version: string,
   for (const box of bounds.models.boxes) {
     box.height = bounds.getVerticalPos() - box.y;
     bounds.insert(box.x, box.y, box.x + box.width, box.height);
-    box.startx = box.x;
-    box.starty = box.y;
-    box.stopx = box.startx + box.width;
-    box.stopy = box.starty + box.height;
+    const boxPadding = conf.boxMargin * 2;
+    box.startx = box.x - boxPadding;
+    box.starty = box.y - boxPadding * 0.25;
+    box.stopx = box.startx + box.width + 2 * boxPadding;
+    box.stopy = box.starty + box.height + boxPadding * 0.75;
     box.stroke = 'rgb(0,0,0, 0.5)';
     svgDraw.drawBox(diagram, box, conf);
   }
@@ -1344,6 +1345,9 @@ async function calculateActorMargins(
       return (total += actors.get(aKey).width + (actors.get(aKey).margin || 0));
     }, 0);
 
+    const standardBoxPadding = conf.boxMargin * 8;
+    totalWidth += standardBoxPadding;
+
     totalWidth -= 2 * conf.boxTextMargin;
     if (box.wrap) {
       box.name = utils.wrapLabel(box.name, totalWidth - 2 * conf.wrapPadding, textFont);
diff --git a/packages/mermaid/src/diagrams/sequence/svgDraw.js b/packages/mermaid/src/diagrams/sequence/svgDraw.js
index 5304f57f5..6b8fa0208 100644
--- a/packages/mermaid/src/diagrams/sequence/svgDraw.js
+++ b/packages/mermaid/src/diagrams/sequence/svgDraw.js
@@ -712,13 +712,13 @@ const drawActorTypeControl = function (elem, actor, conf, isFooter) {
     .attr('marker-end', 'url(#filled-head-control)');
 
   const bounds = actElem.node().getBBox();
-  actor.height = bounds.height + conf.boxTextMargin;
+  actor.height = bounds.height + 2 * (conf?.sequence?.labelBoxHeight ?? 0);
 
   _drawTextCandidateFunc(conf, hasKatex(actor.description))(
     actor.description,
     actElem,
     rect.x,
-    rect.y + (!isFooter ? 30 : 40),
+    rect.y + 30,
     rect.width,
     rect.height,
     { class: `actor ${ACTOR_MAN_FIGURE_CLASS}` },
@@ -774,8 +774,8 @@ const drawActorTypeEntity = function (elem, actor, conf, isFooter) {
     .attr('stroke', '#333')
     .attr('stroke-width', 2);
 
-  const boundBox = actElem.node().getBBox();
-  actor.height = boundBox.height + conf.boxTextMargin;
+  const bounds = actElem.node().getBBox();
+  actor.height = bounds.height + (conf.sequence.labelBoxHeight ?? 0);
 
   if (!isFooter) {
     actorCnt++;
@@ -916,7 +916,7 @@ const drawActorTypeDatabase = function (elem, actor, conf, isFooter) {
   const lastPath = cylinderGroup.select('path:last-child');
   if (lastPath.node()) {
     const bounds = lastPath.node().getBBox();
-    actor.height = bounds.height + 2 * conf.boxTextMargin;
+    actor.height = bounds.height + (conf.sequence.labelBoxHeight ?? 0);
   }
 
   return actor.height;
@@ -989,7 +989,7 @@ const drawActorTypeBoundary = function (elem, actor, conf, isFooter) {
     .attr('width', actor.width);
 
   const bounds = actElem.node().getBBox();
-  actor.height = bounds.height + conf.boxTextMargin;
+  actor.height = bounds.height + (conf.sequence.labelBoxHeight ?? 0);
 
   _drawTextCandidateFunc(conf, hasKatex(actor.description))(
     actor.description,