diff --git a/server/index.js b/server/index.js
index af53218b..5747e95d 100644
--- a/server/index.js
+++ b/server/index.js
@@ -72,7 +72,7 @@ MANDATORY STYLE & QUALITY RULES — MUST FOLLOW EXACTLY:
 - Every visible element MUST be FULLY CLOSED paths (use Z/z to close <path>, or <circle>/<ellipse>/<polygon>/<rect>). NO open paths, NO <line>, NO <polyline> unless closed, NO stroke-only lines without enclosed fill regions.
 - Forbidden forever: blobs, distorted/wrong anatomy (e.g. elephant with pigtails, sheep with leaf legs), floating disconnected lines/parts, random dots/scribbles/noise/artifacts, self-intersecting paths making uncolorable slivers, cut-off/incomplete shapes, inconsistent stroke widths, tiny details, fill="none" on main objects (except holes), any greyscale/shading.
 - Stroke: #000000 solid (no dasharray except for traceable writing). Fill: #ffffff on all colorable regions.
-- ViewBox: exactly '0 0 500 500'. Center content with 50–100px margins on all sides. No touching edges.
+- ViewBox: exactly '0 0 500 500'. MAXIMIZE PAGE USAGE. Use the full 500x500 canvas with MINIMAL margins (10-20px). Make the main subject FILL the available space.
 - Attributes: single quotes ' only for all XML.
 - SVG: complete valid XML — <svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 500 500'> ... </svg>. Use smooth curves (C, Q, S) for natural shapes. 8–20 large closed regions for coloring fun.
 - High-quality kid style: bold thick outlines, big simple shapes, cute friendly expressions (big round eyes as circles/ovals, smiling curved mouth), balanced proportions (big head for cuteness), no complexity/noise.