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/components/dashboard/HomeHero.vue

@@ -137,7 +137,7 @@ function alertIcon(tone: string) {
   align-items: start;
   min-height: 0;
   padding: 0.8rem 1.5rem 0.9rem;
-  border-radius: 28px;
+  border-radius: var(--radius);
   overflow: visible;
   color: #fff;
   background: transparent;
@@ -148,7 +148,7 @@ function alertIcon(tone: string) {
   position: absolute;
   inset: 0;
   z-index: 0;
-  border-radius: 28px;
+  border-radius: var(--radius);
   overflow: hidden;
   background-color: #134e4a;
   background-image:
@@ -248,7 +248,7 @@ function alertIcon(tone: string) {
 .greet-text h1 {
   margin: 0;
   font-size: clamp(1.35rem, 2vw, 1.75rem);
-  font-weight: 800;
+  font-weight: 600;
   letter-spacing: -0.01em;
   color: #fff;
 }
@@ -273,7 +273,7 @@ function alertIcon(tone: string) {
   gap: 0.4rem;
   min-width: 0;
   padding: 0.4rem 0.5rem;
-  border-radius: 12px;
+  border-radius: var(--radius);
   background: #fff;
   color: #0f172a;
   text-decoration: none;
@@ -308,7 +308,7 @@ function alertIcon(tone: string) {
 .chip-ico {
   width: 22px;
   height: 22px;
-  border-radius: 8px;
+  border-radius: var(--radius);
   display: grid;
   place-items: center;
   flex-shrink: 0;
@@ -366,7 +366,7 @@ function alertIcon(tone: string) {
   color: #94a3b8;
   background: #f1f5f9;
   border: 1px solid #e2e8f0;
-  border-radius: 7px;
+  border-radius: var(--radius);
   padding: 0.14rem 0.38rem;
   flex-shrink: 0;
 }