Task 7: Build DashboardLayout and wire up App.tsx

Three-zone layout: TopBar (fixed) + Sidebar (fixed left) + Main
(scrollable card grid). Framer Motion staggered entrance animations
with prefers-reduced-motion support. Card grid responsive at 900px.
Replaces PMRInterface in the pmr phase.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/App.tsx

@@ -3,7 +3,7 @@ import type { Phase } from './types'
 import { BootSequence } from './components/BootSequence'
 import { ECGAnimation } from './components/ECGAnimation'
 import { LoginScreen } from './components/LoginScreen'
-import { PMRInterface } from './components/PMRInterface'
+import { DashboardLayout } from './components/DashboardLayout'
 import { AccessibilityProvider } from './contexts/AccessibilityContext'
 
 function SkipButton({ onSkip }: { onSkip: () => void }) {
@@ -76,7 +76,7 @@ function App() {
           <LoginScreen onComplete={() => setPhase('pmr')} />
         )}
 
-        {phase === 'pmr' && <PMRInterface />}
+        {phase === 'pmr' && <DashboardLayout />}
 
         {(phase === 'boot' || phase === 'ecg') && (
           <SkipButton onSkip={skipToLogin} />

src/components/DashboardLayout.tsx

@@ -0,0 +1,111 @@
+import { useState } from 'react'
+import { motion } from 'framer-motion'
+import { TopBar } from './TopBar'
+import Sidebar from './Sidebar'
+
+const prefersReducedMotion = window.matchMedia('(prefers-reduced-motion: reduce)').matches
+
+const topbarVariants = {
+  hidden: prefersReducedMotion ? { y: 0, opacity: 1 } : { y: -48, opacity: 0 },
+  visible: {
+    y: 0,
+    opacity: 1,
+    transition: prefersReducedMotion
+      ? { duration: 0 }
+      : { duration: 0.2, ease: 'easeOut' },
+  },
+}
+
+const sidebarVariants = {
+  hidden: prefersReducedMotion ? { x: 0, opacity: 1 } : { x: -272, opacity: 0 },
+  visible: {
+    x: 0,
+    opacity: 1,
+    transition: prefersReducedMotion
+      ? { duration: 0 }
+      : { duration: 0.25, ease: 'easeOut', delay: 0.05 },
+  },
+}
+
+const contentVariants = {
+  hidden: prefersReducedMotion ? { opacity: 1 } : { opacity: 0 },
+  visible: {
+    opacity: 1,
+    transition: prefersReducedMotion
+      ? { duration: 0 }
+      : { duration: 0.3, delay: 0.15 },
+  },
+}
+
+export function DashboardLayout() {
+  const [, setCommandPaletteOpen] = useState(false)
+
+  const handleSearchClick = () => {
+    setCommandPaletteOpen(true)
+  }
+
+  return (
+    <div
+      className="font-ui"
+      style={{ background: 'var(--bg-dashboard)', minHeight: '100vh' }}
+    >
+      {/* TopBar — fixed at top */}
+      <motion.div initial="hidden" animate="visible" variants={topbarVariants}>
+        <TopBar onSearchClick={handleSearchClick} />
+      </motion.div>
+
+      {/* Layout below TopBar: Sidebar + Main */}
+      <div
+        style={{
+          display: 'flex',
+          marginTop: 'var(--topbar-height)',
+          height: 'calc(100vh - var(--topbar-height))',
+        }}
+      >
+        {/* Sidebar — fixed left */}
+        <motion.div
+          initial="hidden"
+          animate="visible"
+          variants={sidebarVariants}
+          style={{ flexShrink: 0 }}
+        >
+          <Sidebar />
+        </motion.div>
+
+        {/* Main content — scrollable card grid */}
+        <motion.main
+          initial="hidden"
+          animate="visible"
+          variants={contentVariants}
+          aria-label="Dashboard content"
+          className="pmr-scrollbar"
+          style={{
+            flex: 1,
+            overflowY: 'auto',
+            padding: '24px 28px 40px',
+          }}
+        >
+          <div
+            style={{
+              display: 'grid',
+              gridTemplateColumns: 'repeat(2, 1fr)',
+              gap: '16px',
+            }}
+            className="dashboard-grid"
+          >
+            {/* Tiles will be added in Tasks 8-15 */}
+            {/* PatientSummaryTile — full width */}
+            {/* LatestResultsTile — half width (left) */}
+            {/* CoreSkillsTile — half width (right) */}
+            {/* LastConsultationTile — full width */}
+            {/* CareerActivityTile — full width */}
+            {/* EducationTile — full width */}
+            {/* ProjectsTile — full width */}
+          </div>
+        </motion.main>
+      </div>
+
+      {/* Command palette will be rendered here (Task 18) */}
+    </div>
+  )
+}

src/index.css

@@ -265,3 +265,14 @@ html {
 .pmr-scrollbar::-webkit-scrollbar-thumb:hover {
   background: var(--text-tertiary);
 }
+
+/* Dashboard card grid responsive */
+.dashboard-grid {
+  grid-template-columns: repeat(2, 1fr);
+}
+
+@media (max-width: 900px) {
+  .dashboard-grid {
+    grid-template-columns: 1fr;
+  }
+}