Fix extra newline in inline styles

README.md

@@ -147,11 +147,15 @@ const style = (zz.Style{})
     .alignH(.center);
 
 const output = try style.render(allocator, "Hello, World!");
+// render() does not append an implicit trailing '\n'
 
 // Text transforms
 const upper_style = (zz.Style{}).transform(zz.transforms.uppercase);
 const shouting = try upper_style.render(allocator, "hello"); // "HELLO"
 
+// Inline mode is useful when embedding block-styled output in a single line
+const inline = (zz.Style{}).fg(zz.Color.cyan()).inline_style(true);
+
 // Whitespace formatting controls
 const ws_style = (zz.Style{})
     .underline(true)

src/style/style.zig

@@ -639,6 +639,10 @@ pub const Style = struct {
             }
         }
 
+        if (!self.inline_mode and result.items.len > 0 and result.items[result.items.len - 1] == '\n') {
+            _ = result.pop();
+        }
+
         return result.toOwnedSlice();
     }
 

tests/style_tests.zig

@@ -63,6 +63,20 @@ test "Style render" {
     // Result should contain ANSI codes and the text
     try testing.expect(result.len > 5); // "Hello" + ANSI codes
     try testing.expect(std.mem.indexOf(u8, result, "Hello") != null);
+    try testing.expect(!std.mem.endsWith(u8, result, "\n"));
+}
+
+test "Style render keeps internal newlines but no trailing newline" {
+    const allocator = testing.allocator;
+
+    var style = zz.Style{};
+    style = style.fg(zz.Color.cyan());
+
+    const result = try style.render(allocator, "A\nB");
+    defer allocator.free(result);
+
+    try testing.expect(std.mem.indexOfScalar(u8, result, '\n') != null);
+    try testing.expect(!std.mem.endsWith(u8, result, "\n"));
 }
 
 test "Border styles exist" {