feat(ui): standardize design system, modals, sidebar, and form inputs

- Implement unified design system tokens, 10px radius, and IRANSans typography
- Modernize sidebar with Gemini-style collapsed expander, square 1:1 items, and elevated profile flyout
- Standardize all modal dialogs with 16px padding, fixed header/footer, 16px medium title, and sticky bottom actions
- Refactor DealFormView and CustomFieldsSection with standard UiField, UiInput, and UiSelect components
- Add draggable bottom-left QuickCreate floating action button

apps/web/src/views/ProjectCardFormView.vue

@@ -157,7 +157,7 @@ onMounted(load);
 .page {
   display: grid;
   gap: 0.85rem;
-  max-width: 640px;
+  max-width: 100%;
   min-width: 0;
   width: 100%;
 }
@@ -178,7 +178,7 @@ onMounted(load);
 .doc-ico {
   width: 44px;
   height: 44px;
-  border-radius: 14px;
+  border-radius: var(--radius);
   display: grid;
   place-items: center;
   background: #ecfdf5;
@@ -237,7 +237,7 @@ h1 {
   display: grid;
   gap: 0.85rem;
   background: #fff;
-  border-radius: 18px;
+  border-radius: var(--radius);
   padding: 1rem;
   box-shadow: 0 8px 22px rgba(15, 23, 42, 0.04);
 }