V2.4.0 — Theme moderne Catppuccin + recadrage non-modal

- Theme sombre Catppuccin Mocha sur toute l'interface :
  - Menus, toolbars, dialogues, spinbox, combo, boutons
  - Scrollbars custom, bordures arrondies, hover states
  - Panneau vignettes repensé
  - Sections outils avec titre bleu
- Recadrage : dialogue non-modal (Qt.Tool) pour pouvoir
  interagir avec le viewer pendant la selection
- Fond viewer plus sombre (#11111b)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

app/main_window.py

@@ -65,19 +65,111 @@ class MainWindow(QMainWindow):
         self._setup_ui()
         self._setup_statusbar()
 
-        # Style global
+        # Style global moderne
         self.setStyleSheet("""
-            QMainWindow { background: #1a1a2e; }
-            QMenuBar { background: #16213e; color: #e0e0e0; font-size: 13px; padding: 2px; }
-            QMenuBar::item:selected { background: #0f3460; }
-            QMenu { background: #16213e; color: #e0e0e0; border: 1px solid #333; }
-            QMenu::item:selected { background: #0f3460; }
-            QMenu::separator { background: #333; height: 1px; margin: 4px 10px; }
-            QToolBar { background: #16213e; border: none; spacing: 4px; padding: 2px; }
-            QToolBar QToolButton { color: #e0e0e0; padding: 4px 8px; border-radius: 3px; }
-            QToolBar QToolButton:hover { background: #0f3460; }
-            QStatusBar { background: #0f0f23; color: #888; font-size: 11px; }
-            QSplitter::handle { background: #333; width: 3px; }
+            * { font-family: 'Segoe UI', sans-serif; }
+
+            QMainWindow { background: #1e1e2e; }
+
+            QMenuBar {
+                background: #181825; color: #cdd6f4; font-size: 13px;
+                padding: 3px 0; border-bottom: 1px solid #313244;
+            }
+            QMenuBar::item { padding: 4px 12px; border-radius: 4px; margin: 1px 2px; }
+            QMenuBar::item:selected { background: #45475a; }
+
+            QMenu {
+                background: #1e1e2e; color: #cdd6f4; border: 1px solid #45475a;
+                border-radius: 8px; padding: 4px;
+            }
+            QMenu::item { padding: 6px 24px; border-radius: 4px; }
+            QMenu::item:selected { background: #45475a; }
+            QMenu::separator { background: #313244; height: 1px; margin: 4px 12px; }
+
+            QToolBar {
+                background: #181825; border: none; spacing: 2px; padding: 4px;
+                border-bottom: 1px solid #313244;
+            }
+            QToolBar QToolButton {
+                color: #bac2de; padding: 5px 10px; border-radius: 6px;
+                font-size: 12px; border: 1px solid transparent;
+            }
+            QToolBar QToolButton:hover {
+                background: #313244; border: 1px solid #45475a; color: #cdd6f4;
+            }
+            QToolBar QToolButton:pressed { background: #45475a; }
+
+            QStatusBar {
+                background: #11111b; color: #6c7086; font-size: 11px;
+                border-top: 1px solid #313244;
+            }
+
+            QSplitter::handle { background: #313244; width: 2px; }
+            QSplitter::handle:hover { background: #89b4fa; }
+
+            QDialog {
+                background: #1e1e2e; color: #cdd6f4;
+            }
+            QGroupBox {
+                color: #cdd6f4; border: 1px solid #45475a; border-radius: 8px;
+                margin-top: 12px; padding-top: 16px; font-weight: bold;
+            }
+            QGroupBox::title {
+                subcontrol-origin: margin; left: 12px; padding: 0 6px;
+                color: #89b4fa;
+            }
+            QLabel { color: #cdd6f4; }
+            QLineEdit, QSpinBox, QDoubleSpinBox, QComboBox, QTextEdit {
+                background: #313244; color: #cdd6f4; border: 1px solid #45475a;
+                border-radius: 6px; padding: 4px 8px;
+            }
+            QLineEdit:focus, QSpinBox:focus, QDoubleSpinBox:focus, QComboBox:focus, QTextEdit:focus {
+                border: 1px solid #89b4fa;
+            }
+            QComboBox::drop-down {
+                border: none; padding-right: 8px;
+            }
+            QComboBox QAbstractItemView {
+                background: #313244; color: #cdd6f4; border: 1px solid #45475a;
+                selection-background-color: #45475a;
+            }
+            QPushButton {
+                background: #45475a; color: #cdd6f4; border: 1px solid #585b70;
+                border-radius: 6px; padding: 6px 14px; font-size: 12px;
+            }
+            QPushButton:hover { background: #585b70; border-color: #89b4fa; }
+            QPushButton:pressed { background: #313244; }
+
+            QRadioButton, QCheckBox { color: #cdd6f4; spacing: 6px; }
+            QRadioButton::indicator, QCheckBox::indicator {
+                width: 16px; height: 16px;
+            }
+
+            QDialogButtonBox QPushButton {
+                min-width: 80px;
+            }
+
+            QProgressBar {
+                background: #11111b; border: none; height: 3px;
+            }
+            QProgressBar::chunk { background: #89b4fa; border-radius: 1px; }
+
+            QScrollBar:vertical {
+                background: #181825; width: 10px; border: none;
+            }
+            QScrollBar::handle:vertical {
+                background: #45475a; border-radius: 5px; min-height: 30px;
+            }
+            QScrollBar::handle:vertical:hover { background: #585b70; }
+            QScrollBar::add-line, QScrollBar::sub-line { height: 0; }
+
+            QScrollBar:horizontal {
+                background: #181825; height: 10px; border: none;
+            }
+            QScrollBar::handle:horizontal {
+                background: #45475a; border-radius: 5px; min-width: 30px;
+            }
+            QScrollBar::handle:horizontal:hover { background: #585b70; }
         """)
 
     # ── Drag & Drop ──
@@ -175,12 +267,20 @@ class MainWindow(QMainWindow):
         rtb.setMovable(False)
         rtb.setOrientation(Qt.Orientation.Vertical)
         rtb.setStyleSheet("""
-            QToolBar { background: #12122a; border-left: 1px solid #333; padding: 4px 2px; spacing: 2px; }
-            QToolBar QToolButton {
-                color: #ccc; padding: 6px; border-radius: 4px;
-                font-size: 10px; min-width: 60px;
+            QToolBar {
+                background: #181825; border-left: 1px solid #313244;
+                padding: 6px 4px; spacing: 1px;
             }
-            QToolBar QToolButton:hover { background: #0f3460; color: white; }
+            QToolBar QToolButton {
+                color: #a6adc8; padding: 7px 4px; border-radius: 6px;
+                font-size: 11px; min-width: 64px;
+                border: 1px solid transparent;
+            }
+            QToolBar QToolButton:hover {
+                background: #313244; color: #cdd6f4;
+                border: 1px solid #45475a;
+            }
+            QToolBar QToolButton:pressed { background: #45475a; }
         """)
         self.addToolBar(Qt.ToolBarArea.RightToolBarArea, rtb)
 
@@ -218,7 +318,11 @@ class MainWindow(QMainWindow):
     def _make_section_label(self, text):
         lbl = QLabel(text)
         lbl.setAlignment(Qt.AlignmentFlag.AlignCenter)
-        lbl.setStyleSheet("color: #555; font-size: 9px; font-weight: bold; letter-spacing: 1px; padding: 4px 0 2px 0;")
+        lbl.setStyleSheet("""
+            color: #89b4fa; font-size: 9px; font-weight: bold;
+            letter-spacing: 2px; padding: 8px 0 3px 0;
+            border-bottom: 1px solid #313244; margin: 0 4px;
+        """)
         return lbl
 
     # ── UI principale ──
@@ -613,7 +717,8 @@ class MainWindow(QMainWindow):
             viewer=self._viewer,
             parent=self
         )
-        if dlg.exec():
+
+        def on_accepted():
             self._show_progress()
             settings = dlg.get_settings()
             output = self._make_temp()
@@ -624,6 +729,9 @@ class MainWindow(QMainWindow):
                 self._hide_progress()
                 QMessageBox.critical(self, "Erreur", str(e))
 
+        dlg.accepted.connect(on_accepted)
+        dlg.show()
+
     def _do_print(self):
         if not self._require_file():
             return