[Ai] Improved File upload, some documentation

src/css.h

@@ -7,6 +7,15 @@ body {
     background-color: #f4f4f4; /* Light background */
 }
 
+.playlist-container {
+    max-height: 300px;
+    overflow-y: auto;
+    border: 1px solid #ccc;
+    padding: 10px;
+    margin-top: 20px;
+    text-align: left; /* Align playlist text to the left */
+}
+
 li {
     cursor: pointer;
     list-style-type: none;
@@ -74,4 +83,150 @@ li {
     margin: 20px 0; /* Space out elements */
 }
 
-)rawliteral";
+/* Upload progress bar styles */
+.progress-bar {
+    width: 100%;
+    height: 20px;
+    background-color: #e0e0e0;
+    border-radius: 10px;
+    overflow: hidden;
+    margin: 10px 0;
+    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
+}
+
+.progress-fill {
+    height: 100%;
+    background: linear-gradient(90deg, #007bff, #0056b3);
+    width: 0%;
+    transition: width 0.3s ease;
+    border-radius: 10px;
+}
+
+#uploadProgress {
+    margin: 15px 0;
+    text-align: center;
+}
+
+#progressText {
+    font-weight: bold;
+    color: #007bff;
+    margin-left: 10px;
+}
+
+#uploadStatus {
+    margin: 10px 0;
+    padding: 8px;
+    border-radius: 4px;
+    font-weight: bold;
+}
+
+#uploadStatus:not(:empty) {
+    background-color: #e7f3ff;
+    border: 1px solid #007bff;
+    color: #0056b3;
+}
+
+/* Form styling improvements */
+#uploadForm {
+    background-color: white;
+    padding: 20px;
+    border-radius: 8px;
+    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+    margin: 20px 0;
+}
+
+#uploadButton {
+    background-color: #007bff;
+    color: white;
+    border: none;
+    padding: 10px 20px;
+    border-radius: 4px;
+    cursor: pointer;
+    font-size: 16px;
+    margin-left: 10px;
+    transition: background-color 0.3s ease;
+}
+
+#uploadButton:hover:not(:disabled) {
+    background-color: #0056b3;
+}
+
+#uploadButton:disabled {
+    background-color: #6c757d;
+    cursor: not-allowed;
+}
+
+#uploadFile {
+    padding: 8px;
+    border: 1px solid #ccc;
+    border-radius: 4px;
+    margin-right: 10px;
+}
+
+/* RFID mapping form styling */
+#editMappingForm {
+    background-color: white;
+    padding: 20px;
+    border-radius: 8px;
+    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+    margin: 20px 0;
+    text-align: left;
+}
+
+#editMappingForm label {
+    display: block;
+    margin: 10px 0 5px 0;
+    font-weight: bold;
+}
+
+#editMappingForm input[type="text"] {
+    width: 100%;
+    padding: 8px;
+    border: 1px solid #ccc;
+    border-radius: 4px;
+    margin-bottom: 10px;
+    box-sizing: border-box;
+}
+
+#editMappingForm button {
+    background-color: #28a745;
+    color: white;
+    border: none;
+    padding: 10px 20px;
+    border-radius: 4px;
+    cursor: pointer;
+    font-size: 16px;
+    margin-top: 10px;
+    transition: background-color 0.3s ease;
+}
+
+#editMappingForm button:hover {
+    background-color: #218838;
+}
+
+/* Responsive design improvements */
+@media (max-width: 600px) {
+    body {
+        padding: 10px;
+    }
+    
+    .slider {
+        width: 95%;
+    }
+    
+    #uploadForm, #editMappingForm {
+        padding: 15px;
+    }
+    
+    #uploadButton, #editMappingForm button {
+        width: 100%;
+        margin: 10px 0;
+    }
+    
+    #uploadFile {
+        width: 100%;
+        margin: 10px 0;
+    }
+}
+
+)rawliteral";