[gravitypdf-bot]

css() read the style attribute of every matched element into one map, merged the new declarations into it, and wrote that one string back to all of them, so each element picked up the others' declarations.

$qp = html5qp('<div><p style="color:red"/><p style="font-size:2px"/></div>', 'p');
$qp->css('margin', '0');

// Before: both are 'color: red;font-size: 2px;margin: 0;'
// After:  'color: red;margin: 0;' and 'font-size: 2px;margin: 0;'

Change: QueryMutators::css() now does the parse, merge and write separately for each element. Non-element matches are still skipped (#98), and the getter is unchanged.

Tests: DOMQueryTest::testCssMergesIntoEachElementsOwnStyle sets styles with both the string and the array form on elements whose existing styles differ, including one with no style attribute, and checks that the getter still returns the first element's raw style. The test fails without the fix. phpunit, lint and lint:min-php all pass.

Fixes #77.

🤖 Generated with Claude Code

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.78%. Comparing base (6ae6acf) to head (91b5d83).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #107      +/-   ##
============================================
+ Coverage     90.69%   90.78%   +0.08%     
  Complexity     1424     1424              
============================================
  Files            25       25              
  Lines          3170     3168       -2     
============================================
+ Hits           2875     2876       +1     
+ Misses          295      292       -3     

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