diff --git a/src/Command/TailwindBuildCommand.php b/src/Command/TailwindBuildCommand.php
index 8e3ae27..855b28b 100644
--- a/src/Command/TailwindBuildCommand.php
+++ b/src/Command/TailwindBuildCommand.php
@@ -49,18 +49,34 @@ protected function execute(InputInterface $input, OutputInterface $output): int
         $io = new SymfonyStyle($input, $output);
         $this->tailwindBuilder->setOutput($io);
 
-        $process = $this->tailwindBuilder->runBuild(
-            watch: $input->getOption('watch'),
-            poll: $input->getOption('poll'),
-            minify: $input->getOption('minify'),
-            inputFile: $input->getArgument('input_css'),
-            postCssConfigFile: $input->getOption('postcss'),
-        );
-        $process->wait(static function ($type, $buffer) use ($io) {
-            $io->write($buffer);
-        });
+        $inputFile = $input->getArgument('input_css');
+        // Tailwind takes a single input per run, so each configured file gets its own process.
+        // They are started together, which is also what makes --watch work for all of them.
+        $inputFiles = null !== $inputFile ? [$inputFile] : $this->tailwindBuilder->getInputCssPaths();
 
-        if (!$process->isSuccessful()) {
+        $processes = [];
+
+        foreach ($inputFiles as $file) {
+            $processes[] = $this->tailwindBuilder->runBuild(
+                watch: $input->getOption('watch'),
+                poll: $input->getOption('poll'),
+                minify: $input->getOption('minify'),
+                inputFile: $file,
+                postCssConfigFile: $input->getOption('postcss'),
+            );
+        }
+
+        $failed = false;
+
+        foreach ($processes as $process) {
+            $process->wait(static function ($type, $buffer) use ($io) {
+                $io->write($buffer);
+            });
+
+            $failed = $failed || !$process->isSuccessful();
+        }
+
+        if ($failed) {
             $io->error('Tailwind CSS build failed: see output above.');
 
             return self::FAILURE;
diff --git a/tests/Command/TailwindBuildCommandTest.php b/tests/Command/TailwindBuildCommandTest.php
index 546392b..f8dc73b 100644
--- a/tests/Command/TailwindBuildCommandTest.php
+++ b/tests/Command/TailwindBuildCommandTest.php
@@ -30,4 +30,28 @@ public function testBuild(): void
         $tester->assertCommandIsSuccessful();
         $this->assertFileExists($builtCss);
     }
+
+    public function testBuildEveryConfiguredInput(): void
+    {
+        self::bootKernel([
+            'project_dir' => $this->tempDir,
+            'tailwind_config' => [
+                'input_css' => [
+                    self::FIXTURES_DIR.'/assets/styles/v4.css',
+                    self::FIXTURES_DIR.'/assets/styles/second.css',
+                ],
+                'binary_version' => 'v4.0.7',
+            ],
+        ]);
+
+        $this->assertFileDoesNotExist($this->tempDir.'/var/tailwind/v4.built.css');
+        $this->assertFileDoesNotExist($this->tempDir.'/var/tailwind/second.built.css');
+
+        $tester = $this->commandTester('tailwind:build');
+        $tester->execute([]);
+
+        $tester->assertCommandIsSuccessful();
+        $this->assertFileExists($this->tempDir.'/var/tailwind/v4.built.css');
+        $this->assertFileExists($this->tempDir.'/var/tailwind/second.built.css');
+    }
 }