Estiliza pagina de upload externo - responsiva4

prova/upload_prova.php

@@ -33,12 +33,43 @@
             margin-bottom: 10px;
             color: #555;
         }
-        input[type="file"] {
+        .custom-file-input {
-            margin-bottom: 20px;
+            position: relative;
+            display: inline-block;
             width: 100%;
-            padding: 10px;
+            height: 40px;
-            border: 1px solid #ccc;
+            margin-bottom: 20px;
+        }
+        .custom-file-input input[type="file"] {
+            position: absolute;
+            width: 100%;
+            height: 100%;
+            opacity: 0;
+            cursor: pointer;
+        }
+        .custom-file-input::before {
+            content: 'Escolher arquivos';
+            display: inline-block;
+            background: #007bff;
+            color: white;
+            border: none;
+            padding: 10px 20px;
             border-radius: 5px;
+            cursor: pointer;
+            text-align: center;
+            width: 100%;
+            height: 100%;
+            line-height: 20px;
+        }
+        .custom-file-input input[type="file"]:focus + ::before {
+            outline: 1px dotted #000;
+            outline: -webkit-focus-ring-color auto 5px;
+        }
+        .custom-file-input input[type="file"]::after {
+            content: 'Nenhum arquivo escolhido';
+            display: block;
+            margin-top: 10px;
+            color: #555;
         }
         button {
             background-color: #007bff;
@@ -69,7 +100,7 @@
                 padding: 12px;
                 font-size: 14px;
             }
-            input[type="file"] {
+            .custom-file-input::before {
                 padding: 12px;
                 font-size: 14px;
             }
@@ -144,7 +175,9 @@
         <h2>Upload de Arquivos</h2>
         <form id="uploadForm" action="./upload.php" method="post" enctype="multipart/form-data">
             <label for="files">Selecione os arquivos para autenticar:</label><br><br>
-            <input type="file" name="files[]" id="files" multiple required><br><br>
+            <div class="custom-file-input">
+                <input type="file" name="files[]" id="files" multiple required>
+            </div>
             <button type="submit">Autenticar</button>
         </form>
     </div>