diff --git a/components/Layout.js b/components/Layout.js
index a4ef427..3ab4196 100644
--- a/components/Layout.js
+++ b/components/Layout.js
@@ -91,8 +91,15 @@ export default function Layout({ children, user = { email: 'me@randallstillwell.
       {/* Mobile Menu Button */}
       <button
         onClick={() => setIsMobileMenuOpen(true)}
-        className="lg:hidden fixed top-4 left-4 z-50 p-2 rounded-lg shadow-lg"
-        style={{ backgroundColor: 'var(--bg-secondary)', color: 'var(--text-primary)' }}
+        className="lg:hidden fixed top-4 left-4 z-50 p-2 rounded-lg shadow-lg focus:outline-none focus:ring-2 focus:ring-offset-2"
+        style={{ 
+          backgroundColor: 'var(--bg-secondary)', 
+          color: 'var(--text-primary)',
+          '--tw-ring-color': 'var(--accent-ember)',
+          '--tw-ring-offset-color': 'var(--bg-primary)'
+        }}
+        aria-label="Open navigation menu"
+        aria-expanded={isMobileMenuOpen}
       >
         <svg className="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
           <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M4 6h16M4 12h16M4 18h16" />
@@ -123,8 +130,13 @@ export default function Layout({ children, user = { email: 'me@randallstillwell.
             </div>
             <button
               onClick={() => setIsMobileMenuOpen(false)}
-              className="p-2 rounded-lg"
-              style={{ color: 'var(--text-secondary)' }}
+              className="p-2 rounded-lg focus:outline-none focus:ring-2 focus:ring-offset-2"
+              style={{ 
+                color: 'var(--text-secondary)',
+                '--tw-ring-color': 'var(--accent-ember)',
+                '--tw-ring-offset-color': 'var(--bg-secondary)'
+              }}
+              aria-label="Close navigation menu"
             >
               <svg className="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                 <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
@@ -140,29 +152,48 @@ export default function Layout({ children, user = { email: 'me@randallstillwell.
             <h1 className="text-xl font-bold" style={{ color: 'var(--text-primary)' }}>Deck Hearth</h1>
           </div>
           
-          <nav className="space-y-2 flex-1">
+          <nav className="space-y-2 flex-1" role="navigation" aria-label="Main navigation">
             {navigation.map((item) => (
               <Link key={item.name} href={item.href}>
                 <div 
-                  className={`flex items-center justify-between px-4 py-3 rounded-2xl transition-all duration-200 cursor-pointer ${
-                    item.active 
-                      ? 'shadow-lg' 
-                      : 'hover:shadow-md'
-                  }`}
+                  className={`
+                    nav-item flex items-center justify-between px-4 py-3 rounded-2xl 
+                    transition-all duration-200 cursor-pointer
+                    focus-within:outline-none focus-within:ring-2 focus-within:ring-offset-2
+                    ${item.active 
+                      ? 'shadow-lg nav-item-active' 
+                      : 'hover:shadow-md nav-item-hover'
+                    }
+                  `}
                   style={{
                     backgroundColor: item.active ? 'var(--bg-tertiary)' : 'transparent',
-                    color: item.active ? 'var(--text-primary)' : 'var(--text-secondary)'
+                    color: item.active ? 'var(--text-primary)' : 'var(--text-secondary)',
+                    '--tw-ring-color': 'var(--accent-ember)',
+                    '--tw-ring-offset-color': 'var(--bg-secondary)'
                   }}
                   onClick={() => setIsMobileMenuOpen(false)}
+                  role="menuitem"
+                  aria-current={item.active ? 'page' : undefined}
+                  tabIndex={0}
+                  onKeyDown={(e) => {
+                    if (e.key === 'Enter' || e.key === ' ') {
+                      e.preventDefault();
+                      setIsMobileMenuOpen(false);
+                    }
+                  }}
                 >
                   <div className="flex items-center">
-                    <span className="mr-3">{getIcon(item.icon)}</span>
+                    <span className="mr-3" aria-hidden="true">{getIcon(item.icon)}</span>
                     <span className="font-medium">{item.name}</span>
                   </div>
                   {item.badge && (
                     <span 
                       className="px-2 py-1 text-xs rounded-full font-medium"
-                      style={{ backgroundColor: 'var(--accent-purple)', color: 'white' }}
+                      style={{ 
+                        backgroundColor: item.badge === 'ADMIN' ? 'var(--accent-ember)' : 'var(--accent-flame)', 
+                        color: 'white' 
+                      }}
+                      aria-label={`${item.badge} items`}
                     >
                       {item.badge}
                     </span>
@@ -192,8 +223,14 @@ export default function Layout({ children, user = { email: 'me@randallstillwell.
                 </div>
                 <button 
                   onClick={toggleTheme}
-                  className="p-2 rounded-lg transition-all duration-200 hover:shadow-md"
-                  style={{ backgroundColor: 'var(--bg-primary)' }}
+                  className="p-2 rounded-lg transition-all duration-200 hover:shadow-md focus:outline-none focus:ring-2 focus:ring-offset-2"
+                  style={{ 
+                    backgroundColor: 'var(--bg-primary)',
+                    '--tw-ring-color': 'var(--accent-ember)',
+                    '--tw-ring-offset-color': 'var(--bg-tertiary)'
+                  }}
+                  aria-label={`Switch to ${theme === 'light' ? 'dark' : 'light'} mode`}
+                  title={`Switch to ${theme === 'light' ? 'dark' : 'light'} mode`}
                 >
                   {theme === 'light' ? (
                     <svg className="h-5 w-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" style={{ color: 'var(--text-primary)' }}>
@@ -209,22 +246,37 @@ export default function Layout({ children, user = { email: 'me@randallstillwell.
             </div>
 
             {/* Bottom Navigation */}
-            <nav className="space-y-1">
+            <nav className="space-y-1" role="navigation" aria-label="User navigation">
               {bottomNavigation.map((item) => (
                 <Link key={item.name} href={item.href}>
                   <div 
-                    className={`flex items-center px-4 py-2 rounded-xl transition-all duration-200 cursor-pointer ${
-                      item.active 
-                        ? 'shadow-md' 
-                        : 'hover:shadow-sm'
-                    }`}
+                    className={`
+                      nav-item-bottom flex items-center px-4 py-2 rounded-xl 
+                      transition-all duration-200 cursor-pointer
+                      focus-within:outline-none focus-within:ring-2 focus-within:ring-offset-2
+                      ${item.active 
+                        ? 'shadow-md nav-item-active' 
+                        : 'hover:shadow-sm nav-item-hover'
+                      }
+                    `}
                     style={{
                       backgroundColor: item.active ? 'var(--bg-tertiary)' : 'transparent',
-                      color: item.active ? 'var(--text-primary)' : 'var(--text-secondary)'
+                      color: item.active ? 'var(--text-primary)' : 'var(--text-secondary)',
+                      '--tw-ring-color': 'var(--accent-ember)',
+                      '--tw-ring-offset-color': 'var(--bg-secondary)'
                     }}
                     onClick={() => setIsMobileMenuOpen(false)}
+                    role="menuitem"
+                    aria-current={item.active ? 'page' : undefined}
+                    tabIndex={0}
+                    onKeyDown={(e) => {
+                      if (e.key === 'Enter' || e.key === ' ') {
+                        e.preventDefault();
+                        setIsMobileMenuOpen(false);
+                      }
+                    }}
                   >
-                    <span className="mr-3">{getIcon(item.icon)}</span>
+                    <span className="mr-3" aria-hidden="true">{getIcon(item.icon)}</span>
                     <span className="text-sm font-medium">{item.name}</span>
                   </div>
                 </Link>
diff --git a/styles/globals.css b/styles/globals.css
index eeade37..1ffe8ba 100644
--- a/styles/globals.css
+++ b/styles/globals.css
@@ -181,6 +181,57 @@ body {
   box-shadow: 0 0 15px rgba(216, 67, 21, 0.4);
 }
 
+/* Navigation Accessibility Enhancements */
+.nav-item:hover,
+.nav-item-bottom:hover {
+  background-color: var(--bg-tertiary) !important;
+  color: var(--text-primary) !important;
+  transform: translateX(4px);
+}
+
+.nav-item:focus-within,
+.nav-item-bottom:focus-within {
+  background-color: var(--bg-tertiary) !important;
+  color: var(--text-primary) !important;
+  transform: translateX(4px);
+}
+
+.nav-item-active {
+  background-color: var(--bg-tertiary) !important;
+  color: var(--text-primary) !important;
+  border-left: 3px solid var(--accent-ember);
+  padding-left: calc(1rem - 3px);
+}
+
+.nav-item-hover:hover {
+  border-left: 3px solid var(--accent-flame);
+  padding-left: calc(1rem - 3px);
+}
+
+.nav-item-hover:focus-within {
+  border-left: 3px solid var(--accent-ember);
+  padding-left: calc(1rem - 3px);
+}
+
+/* High contrast mode support */
+@media (prefers-contrast: high) {
+  .nav-item:hover,
+  .nav-item-bottom:hover,
+  .nav-item:focus-within,
+  .nav-item-bottom:focus-within {
+    outline: 2px solid var(--accent-ember);
+    outline-offset: 2px;
+  }
+}
+
+/* Reduced motion support */
+@media (prefers-reduced-motion: reduce) {
+  .nav-item,
+  .nav-item-bottom {
+    transition: none;
+  }
+}
+
 .btn-secondary {
   @apply font-bold py-3 px-6 rounded-2xl transition-all duration-300 shadow-lg hover:shadow-xl;
   background: var(--gradient-secondary);