refactor(layout): remove site-header and tighten spacing

replace site-header with inline sidebar trigger, reduce
dashboard padding/gaps, and adjust schedule page layout
to flex properly within the content area.

src/app/dashboard/layout.tsx

@@ -1,8 +1,8 @@
 import { AppSidebar } from "@/components/app-sidebar"
-import { SiteHeader } from "@/components/site-header"
 import {
   SidebarInset,
   SidebarProvider,
+  SidebarTrigger,
 } from "@/components/ui/sidebar"
 
 export default function DashboardLayout({
@@ -15,15 +15,16 @@ export default function DashboardLayout({
       style={
         {
           "--sidebar-width": "calc(var(--spacing) * 72)",
-          "--header-height": "calc(var(--spacing) * 12)",
         } as React.CSSProperties
       }
     >
       <AppSidebar variant="inset" />
       <SidebarInset>
-        <SiteHeader />
         <div className="flex flex-1 flex-col">
-          <div className="@container/main flex flex-1 flex-col gap-2">
+          <div className="@container/main flex flex-1 flex-col">
+            <div className="px-4 pt-2">
+              <SidebarTrigger className="-ml-1" />
+            </div>
             {children}
           </div>
         </div>

src/app/dashboard/page.tsx

@@ -6,9 +6,9 @@ import data from "./data.json"
 
 export default function Page() {
   return (
-    <div className="flex flex-col gap-4 py-4 md:gap-6 md:py-6">
+    <div className="flex flex-col gap-3 py-2 md:gap-4 md:py-3">
       <SectionCards />
-      <div className="px-4 lg:px-6">
+      <div className="px-3 lg:px-4">
         <ChartAreaInteractive />
       </div>
       <DataTable data={data} />

src/app/dashboard/projects/[id]/schedule/page.tsx

@@ -49,7 +49,7 @@ export default async function SchedulePage({
   }
 
   return (
-    <div className="p-6">
+    <div className="px-4 py-2 flex flex-col flex-1 min-h-0">
       <ScheduleView
         projectId={id}
         projectName={projectName}

src/components/schedule/gantt-chart.tsx

@@ -2,6 +2,7 @@
 
 import { useRef, useEffect, useState } from "react"
 import type { FrappeTask } from "@/lib/schedule/gantt-transform"
+import "./gantt.css"
 
 type ViewMode = "Day" | "Week" | "Month"
 
@@ -66,6 +67,15 @@ export function GanttChart({
         },
       })
 
+      // remove overflow from inner gantt-container so popup isn't clipped
+      // the parent wrapper handles horizontal scrolling instead
+      const ganttContainer = containerRef.current.querySelector(
+        ".gantt-container"
+      ) as HTMLElement | null
+      if (ganttContainer) {
+        ganttContainer.style.overflow = "visible"
+      }
+
       setLoaded(true)
     }
 
@@ -88,7 +98,7 @@ export function GanttChart({
   }
 
   return (
-    <div className="gantt-container overflow-x-auto">
+    <div className="gantt-wrapper relative overflow-x-auto">
       <div ref={containerRef} />
     </div>
   )

src/components/schedule/gantt.css

@@ -1,6 +1,6 @@
 /* frappe-gantt base styles (vendored from frappe-gantt/dist/frappe-gantt.css) */
 :root{--g-arrow-color: #1f2937;--g-bar-color: #fff;--g-bar-border: #fff;--g-tick-color-thick: #ededed;--g-tick-color: #f3f3f3;--g-actions-background: #f3f3f3;--g-border-color: #ebeff2;--g-text-muted: #7c7c7c;--g-text-light: #fff;--g-text-dark: #171717;--g-progress-color: #dbdbdb;--g-handle-color: #37352f;--g-weekend-label-color: #dcdce4;--g-expected-progress: #c4c4e9;--g-header-background: #fff;--g-row-color: #fdfdfd;--g-row-border-color: #c7c7c7;--g-today-highlight: #37352f;--g-popup-actions: #ebeff2;--g-weekend-highlight-color: #f7f7f7}
-.gantt-container{line-height:14.5px;position:relative;overflow:auto;font-size:12px;height:var(--gv-grid-height);width:100%;border-radius:8px}
+.gantt-container{line-height:14.5px;position:relative;isolation:isolate;overflow:auto;font-size:12px;height:var(--gv-grid-height);width:100%;border-radius:8px}
 .gantt-container .popup-wrapper{position:absolute;top:0;left:0;background:#fff;box-shadow:0 10px 24px -3px #0003;padding:10px;border-radius:5px;width:max-content;z-index:1000}
 .gantt-container .popup-wrapper .title{margin-bottom:2px;color:var(--g-text-dark);font-size:.85rem;font-weight:650;line-height:15px}
 .gantt-container .popup-wrapper .subtitle{color:var(--g-text-dark);font-size:.8rem;margin-bottom:5px}

src/components/schedule/schedule-calendar-view.tsx

@@ -103,8 +103,8 @@ export function ScheduleCalendarView({
   }
 
   return (
-    <div>
+    <div className="flex flex-col flex-1 min-h-0">
-      <div className="flex items-center justify-between mb-4">
+      <div className="flex items-center justify-between mb-2">
         <div className="flex items-center gap-2">
           <Button
             variant="outline"
@@ -144,7 +144,7 @@ export function ScheduleCalendarView({
         </Select>
       </div>
 
-      <div className="border rounded-md overflow-hidden">
+      <div className="border rounded-md overflow-hidden flex flex-col flex-1 min-h-0">
         <div className="grid grid-cols-7 border-b">
           {["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"].map(
             (day) => (
@@ -158,7 +158,7 @@ export function ScheduleCalendarView({
           )}
         </div>
 
-        <div className="grid grid-cols-7">
+        <div className="grid grid-cols-7 flex-1">
           {days.map((day) => {
             const dateKey = format(day, "yyyy-MM-dd")
             const dayTasks = tasksByDate.get(dateKey) || []
@@ -174,7 +174,7 @@ export function ScheduleCalendarView({
             return (
               <div
                 key={dateKey}
-                className={`min-h-[90px] border-r border-b last:border-r-0 p-1 ${
+                className={`min-h-0 border-r border-b last:border-r-0 p-1 ${
                   !inMonth ? "bg-muted/30" : ""
                 } ${isNonWork ? "bg-muted/50" : ""}`}
               >

src/components/schedule/schedule-gantt-view.tsx

@@ -87,8 +87,8 @@ export function ScheduleGanttView({
   }
 
   return (
-    <div>
+    <div className="flex flex-col flex-1 min-h-0">
-      <div className="flex items-center justify-between mb-4">
+      <div className="flex items-center justify-between mb-2">
         <div className="flex items-center gap-3">
           {(["Day", "Week", "Month"] as ViewMode[]).map((mode) => (
             <Button
@@ -134,7 +134,7 @@ export function ScheduleGanttView({
 
       <ResizablePanelGroup
         orientation="horizontal"
-        className="border rounded-md min-h-[400px]"
+        className="border rounded-md flex-1 min-h-[300px]"
       >
         <ResizablePanel defaultSize={30} minSize={20}>
           <div className="h-full overflow-auto">

src/components/schedule/schedule-list-view.tsx

@@ -296,8 +296,8 @@ export function ScheduleListView({
   })
 
   return (
-    <div>
+    <div className="flex flex-col flex-1 min-h-0">
-      <div className="flex gap-2 mb-4">
+      <div className="flex gap-2 mb-2">
         <Button
           size="sm"
           variant="outline"
@@ -309,7 +309,7 @@ export function ScheduleListView({
         </Button>
       </div>
 
-      <div className="rounded-md border">
+      <div className="rounded-md border flex-1 overflow-auto">
         <Table>
           <TableHeader>
             {table.getHeaderGroups().map((headerGroup) => (

src/components/schedule/schedule-toolbar.tsx

@@ -25,7 +25,7 @@ export function ScheduleToolbar({ onNewItem }: ScheduleToolbarProps) {
   const [offlineMode, setOfflineMode] = useState(false)
 
   return (
-    <div className="flex items-center justify-between py-3 border-b mb-4">
+    <div className="flex items-center justify-between py-1.5 border-b mb-2">
       <div className="flex items-center gap-3">
         <Button variant="ghost" size="icon" className="size-8">
           <IconSettings className="size-4" />

src/components/schedule/schedule-view.tsx

@@ -35,31 +35,37 @@ export function ScheduleView({
   const [taskFormOpen, setTaskFormOpen] = useState(false)
 
   return (
-    <div>
+    <div className="flex flex-col flex-1 min-h-0">
-      <div className="flex items-center justify-between mb-4">
+      <div className="flex items-center justify-between mb-2">
-        <h1 className="text-2xl font-semibold">
+        <h1 className="text-lg font-semibold">
           {projectName} - Schedule
         </h1>
+        <Tabs
+          value={topTab}
+          onValueChange={(v) => setTopTab(v as TopTab)}
+        >
+          <TabsList>
+            <TabsTrigger value="schedule">Schedule</TabsTrigger>
+            <TabsTrigger value="baseline">Baseline</TabsTrigger>
+            <TabsTrigger value="exceptions">
+              Workday Exceptions
+            </TabsTrigger>
+          </TabsList>
+        </Tabs>
       </div>
 
       <Tabs
         value={topTab}
         onValueChange={(v) => setTopTab(v as TopTab)}
+        className="flex flex-col flex-1 min-h-0"
       >
-        <TabsList>
+        <TabsContent value="schedule" className="mt-0 flex flex-col flex-1 min-h-0">
-          <TabsTrigger value="schedule">Schedule</TabsTrigger>
-          <TabsTrigger value="baseline">Baseline</TabsTrigger>
-          <TabsTrigger value="exceptions">
-            Workday Exceptions
-          </TabsTrigger>
-        </TabsList>
-
-        <TabsContent value="schedule" className="mt-0">
           <ScheduleToolbar onNewItem={() => setTaskFormOpen(true)} />
 
           <Tabs
             value={subTab}
             onValueChange={(v) => setSubTab(v as ScheduleSubTab)}
+            className="flex flex-col flex-1 min-h-0"
           >
             <TabsList className="bg-transparent border-b rounded-none h-auto p-0 gap-4">
               <TabsTrigger
@@ -82,7 +88,7 @@ export function ScheduleView({
               </TabsTrigger>
             </TabsList>
 
-            <TabsContent value="calendar" className="mt-4">
+            <TabsContent value="calendar" className="mt-2 flex flex-col flex-1 min-h-0">
               <ScheduleCalendarView
                 projectId={projectId}
                 tasks={initialData.tasks}
@@ -90,7 +96,7 @@ export function ScheduleView({
               />
             </TabsContent>
 
-            <TabsContent value="list" className="mt-4">
+            <TabsContent value="list" className="mt-2 flex flex-col flex-1 min-h-0">
               <ScheduleListView
                 projectId={projectId}
                 tasks={initialData.tasks}
@@ -98,7 +104,7 @@ export function ScheduleView({
               />
             </TabsContent>
 
-            <TabsContent value="gantt" className="mt-4">
+            <TabsContent value="gantt" className="mt-2 flex flex-col flex-1 min-h-0">
               <ScheduleGanttView
                 projectId={projectId}
                 tasks={initialData.tasks}
@@ -108,7 +114,7 @@ export function ScheduleView({
           </Tabs>
         </TabsContent>
 
-        <TabsContent value="baseline" className="mt-4">
+        <TabsContent value="baseline" className="mt-2">
           <ScheduleBaselineView
             projectId={projectId}
             baselines={baselines}
@@ -116,7 +122,7 @@ export function ScheduleView({
           />
         </TabsContent>
 
-        <TabsContent value="exceptions" className="mt-4">
+        <TabsContent value="exceptions" className="mt-2">
           <WorkdayExceptionsView
             projectId={projectId}
             exceptions={initialData.exceptions}

src/components/schedule/task-form-dialog.tsx

@@ -19,6 +19,14 @@ import {
   FormMessage,
 } from "@/components/ui/form"
 import { Input } from "@/components/ui/input"
+import { Calendar } from "@/components/ui/calendar"
+import {
+  Popover,
+  PopoverContent,
+  PopoverTrigger,
+} from "@/components/ui/popover"
+import { IconCalendar } from "@tabler/icons-react"
+import { format, parseISO } from "date-fns"
 import { Slider } from "@/components/ui/slider"
 import {
   Select,
@@ -178,9 +186,33 @@ export function TaskFormDialog({
                 render={({ field }) => (
                   <FormItem>
                     <FormLabel>Start Date</FormLabel>
-                    <FormControl>
+                    <Popover>
-                      <Input type="date" {...field} />
+                      <PopoverTrigger asChild>
-                    </FormControl>
+                        <FormControl>
+                          <Button
+                            variant="outline"
+                            className="w-full justify-start text-left font-normal"
+                          >
+                            <IconCalendar className="size-4 mr-2 text-muted-foreground" />
+                            {field.value
+                              ? format(parseISO(field.value), "MMM d, yyyy")
+                              : "Pick a date"}
+                          </Button>
+                        </FormControl>
+                      </PopoverTrigger>
+                      <PopoverContent className="w-auto p-0" align="start">
+                        <Calendar
+                          mode="single"
+                          selected={field.value ? parseISO(field.value) : undefined}
+                          onSelect={(date) => {
+                            if (date) {
+                              field.onChange(format(date, "yyyy-MM-dd"))
+                            }
+                          }}
+                          initialFocus
+                        />
+                      </PopoverContent>
+                    </Popover>
                     <FormMessage />
                   </FormItem>
                 )}

src/components/section-cards.tsx

@@ -12,7 +12,7 @@ import {
 
 export function SectionCards() {
   return (
-    <div className="*:data-[slot=card]:from-primary/5 *:data-[slot=card]:to-card dark:*:data-[slot=card]:bg-card grid grid-cols-1 gap-4 px-4 *:data-[slot=card]:bg-gradient-to-t *:data-[slot=card]:shadow-xs lg:px-6 @xl/main:grid-cols-2 @5xl/main:grid-cols-4">
+    <div className="*:data-[slot=card]:from-primary/5 *:data-[slot=card]:to-card dark:*:data-[slot=card]:bg-card grid grid-cols-1 gap-3 px-3 *:data-[slot=card]:bg-gradient-to-t *:data-[slot=card]:shadow-xs lg:px-4 @xl/main:grid-cols-2 @5xl/main:grid-cols-4">
       <Card className="@container/card">
         <CardHeader>
           <CardDescription>Total Revenue</CardDescription>