style(ai): selecteurs Fournisseur/Modele alignes a droite et reordonnes (#82)

frontend/style.css

@@ -9187,8 +9187,9 @@ body.popup-mode .content-area {
   color: var(--text-secondary); padding: 5px; border-radius: 6px; display: flex; align-items: center; }
 .bookslm-header button:hover { background: var(--surface2); color: var(--text-primary); }
 /* Provider/model picker on its own row so the header actions never get hidden. */
-.bookslm-toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
-  padding: 8px 12px; border-bottom: 1px solid var(--border); background: var(--bg-secondary); }
+.bookslm-toolbar { display: flex; align-items: center; justify-content: flex-end; gap: 8px;
+  flex-wrap: wrap; padding: 8px 12px; border-bottom: 1px solid var(--border);
+  background: var(--bg-secondary); }
 .bookslm-toolbar-label { font-size: 11px; color: var(--text-secondary);
   text-transform: uppercase; letter-spacing: .04em; flex-shrink: 0; }
 .bookslm-toolbar .ai-picker { margin-left: 0; padding-left: 0; border-left: none;
@@ -9421,7 +9422,7 @@ body.bookslm-resizing { cursor: ew-resize; user-select: none; }
   font-size: 1rem; line-height: 1; padding: 5px 7px; border-radius: 6px; }
 .ai-picker-info:hover, .ai-picker-info:focus { color: var(--accent); }
 .ai-picker-info.hidden { display: none; }
-.ai-picker-caps-pop { position: absolute; top: calc(100% + 4px); right: 0; z-index: 60;
+.ai-picker-caps-pop { position: absolute; top: calc(100% + 4px); left: 0; z-index: 60;
   min-width: 220px; max-width: 300px; background: var(--bg-primary);
   border: 1px solid var(--border); border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,0.35);
   padding: 8px 10px; }