Refactor stylesheet to use dynamic properties for state management

Added a theme section so we can easily change values. Removed inline styles.

Author: kelltom

main.py

@@ -431,7 +431,7 @@ def _create_input_section(self):
 
         row = QHBoxLayout()
         self.input_label = QLabel("No file selected")
-        self.input_label.setStyleSheet("color: #888888; padding: 5px;")
+        self.input_label.setProperty("labelState", "inactive")
         self.input_label.setWordWrap(True)
         row.addWidget(self.input_label, 1)
 
@@ -443,7 +443,7 @@ def _create_input_section(self):
         layout.addLayout(row)
 
         self.page_info_label = QLabel("")
-        self.page_info_label.setStyleSheet("color: #aaaaaa; font-size: 10pt;")
+        self.page_info_label.setObjectName("pageInfoLabel")
         layout.addWidget(self.page_info_label)
 
         group.setLayout(layout)
@@ -478,7 +478,7 @@ def _create_page_section(self):
         layout.addWidget(self.page_entry)
 
         self.help_label = QLabel(self.current_mode.help_text)
-        self.help_label.setStyleSheet("color: #aaaaaa; font-size: 9pt;")
+        self.help_label.setObjectName("helpLabel")
         layout.addWidget(self.help_label)
 
         group.setLayout(layout)
@@ -497,7 +497,7 @@ def _create_output_section(self):
 
         row = QHBoxLayout()
         self.output_label = QLabel("No output location selected")
-        self.output_label.setStyleSheet("color: #888888; padding: 5px;")
+        self.output_label.setProperty("labelState", "inactive")
         self.output_label.setWordWrap(True)
         row.addWidget(self.output_label, 1)
 
@@ -514,8 +514,18 @@ def _update_label(self, label, text, active=False):
         """Update a label with truncated text and appropriate styling."""
         display_text = text if len(text) < 80 else f"...{text[-77:]}"
         label.setText(display_text)
-        color = "#ffffff" if active else "#888888"
-        label.setStyleSheet(f"color: {color}; padding: 5px;")
+        # Use dynamic property instead of inline styles
+        label.setProperty("labelState", "active" if active else "inactive")
+        # Force style refresh
+        label.style().unpolish(label)
+        label.style().polish(label)
+    
+    def _set_label_state(self, label, state):
+        """Set a label's state property and refresh styling."""
+        label.setProperty("labelState", state)
+        if style := label.style():
+            style.unpolish(label)
+            style.polish(label)
 
     def _get_base_name(self):
         """Get base filename from input path."""
@@ -615,7 +625,7 @@ def process_pdf(self):
             return
 
         self.status_label.setText("Processing...")
-        self.status_label.setStyleSheet("color: #aaaaaa;")
+        self._set_label_state(self.status_label, "processing")
         QApplication.processEvents()
 
         try:
@@ -641,7 +651,7 @@ def process_pdf(self):
 
         except Exception as e:
             self.status_label.setText("Failed")
-            self.status_label.setStyleSheet("color: #f44336;")
+            self._set_label_state(self.status_label, "error")
             QMessageBox.critical(self, "Error", str(e))
 
     def _confirm_overwrite(self):
@@ -656,7 +666,7 @@ def _confirm_overwrite(self):
     def _show_success(self, message):
         """Display success message."""
         self.status_label.setText(f"Success! Saved to: {self.output_folder}")
-        self.status_label.setStyleSheet("color: #4caf50;")
+        self._set_label_state(self.status_label, "success")
 
         # Create custom message box with "Open Folder" button
         msg_box = QMessageBox(self)

style.qss

@@ -1,26 +1,51 @@
+/* 
+ * ChiselPDF Dark Theme
+ * 
+ * Color Palette:
+ * - Background: #2b2b2b (dark gray)
+ * - Secondary background: #3c3c3c (medium gray)
+ * - Border: #555555 (light gray)
+ * - Text primary: #ffffff (white)
+ * - Text secondary: #aaaaaa (light gray)
+ * - Text inactive: #888888 (medium gray)
+ * - Accent (normal): #1b75d0 (blue)
+ * - Accent (hover): #155ca1 (darker blue)
+ * - Accent (pressed): #0c3b6a (darkest blue)
+ * - Success: #4caf50 (green)
+ * - Error: #f44336 (red)
+ */
+
+/* Base Application Styles */
 QMainWindow, QWidget {
     background-color: #2b2b2b;
     color: #ffffff;
 }
+
+/* Group Boxes */
 QGroupBox {
     border: 1px solid #555555;
     border-radius: 5px;
     margin-top: 10px;
     padding-top: 10px;
     font-weight: bold;
 }
+
 QGroupBox::title {
     subcontrol-origin: margin;
     left: 10px;
     padding: 0 5px;
 }
+
+/* Text Input Fields */
 QLineEdit {
     background-color: #3c3c3c;
     color: #ffffff;
     border: 1px solid #555555;
     border-radius: 3px;
     padding: 5px;
 }
+
+/* Buttons */
 QPushButton {
     background-color: #1b75d0;
     color: #ffffff;
@@ -29,26 +54,71 @@ QPushButton {
     padding: 8px;
     font-weight: bold;
 }
+
 QPushButton:hover {
     background-color: #155ca1;
 }
+
 QPushButton:pressed {
     background-color: #0c3b6a;
 }
+
 QPushButton:disabled {
     background-color: #555555;
     color: #888888;
 }
+
+/* Radio Buttons */
 QRadioButton::indicator {
     width: 14px;
     height: 14px;
     border-radius: 9px;
     background-color: #555555;
     border: 2px solid #555555;
 }
+
 QRadioButton::indicator:checked {
     background-color: #1b75d0;
 }
+
 QRadioButton::indicator:hover {
     border: 2px solid #155ca1;
 }
+
+/* Labels - Dynamic States */
+QLabel[labelState="inactive"] {
+    color: #888888;
+    padding: 5px;
+}
+
+QLabel[labelState="active"] {
+    color: #ffffff;
+    padding: 5px;
+}
+
+QLabel[labelState="info"] {
+    color: #aaaaaa;
+}
+
+QLabel[labelState="processing"] {
+    color: #aaaaaa;
+}
+
+QLabel[labelState="success"] {
+    color: #4caf50;
+}
+
+QLabel[labelState="error"] {
+    color: #f44336;
+}
+
+/* Specific UI Elements */
+#pageInfoLabel {
+    color: #aaaaaa;
+    font-size: 10pt;
+}
+
+#helpLabel {
+    color: #aaaaaa;
+    font-size: 9pt;
+}