Remove Header component and update layout for full-screen display

- Deleted the Header component to simplify the application structure.
- Adjusted layout in the RootDocument and Home components to utilize full-screen height, enhancing the visual experience.
- Ensured consistent styling across components by updating height calculations.

src/components/Header.tsx

@@ -1,144 +0,0 @@
-import { useState } from 'react'
-import { Link } from '@tanstack/react-router'
-import { motion, AnimatePresence } from 'framer-motion'
-import { Activity, Home, Menu, X } from 'lucide-react'
-import { CrabIdleAnimation } from '~/components/ani'
-
-export function Header() {
-  const [isOpen, setIsOpen] = useState(false)
-
-  return (
-    <>
-      <header className="px-4 py-3 flex items-center bg-shell-900 border-b-2 border-shell-700 relative">
-        {/* Subtle gradient overlay */}
-        <div className="absolute inset-0 bg-linear-to-r from-crab-950/10 via-transparent to-transparent pointer-events-none" />
-
-        <button
-          onClick={() => setIsOpen(true)}
-          className="relative p-2.5 hover:bg-shell-800 rounded-lg transition-all duration-150 border border-transparent hover:border-shell-600 group"
-          aria-label="Open menu"
-        >
-          <Menu size={22} className="text-gray-400 group-hover:text-crab-400 transition-colors" />
-        </button>
-
-        <Link to="/" className="ml-4 flex items-center gap-3 group">
-          <div className="crab-icon-glow">
-            <CrabIdleAnimation className="w-8 h-8" />
-          </div>
-          <span className="font-arcade text-sm text-crab-400 glow-red tracking-wider">
-            CRABWALK
-          </span>
-        </Link>
-
-        {/* Decorative claw brackets */}
-        <div className="ml-auto flex items-center gap-2 text-shell-600 font-console text-xs">
-          <span className="text-crab-700">❮</span>
-          <span>v3.0</span>
-          <span className="text-crab-700">❯</span>
-        </div>
-      </header>
-
-      {/* Sidebar navigation */}
-      <AnimatePresence>
-        {isOpen && (
-          <>
-            {/* Overlay */}
-            <motion.div
-              initial={{ opacity: 0 }}
-              animate={{ opacity: 1 }}
-              exit={{ opacity: 0 }}
-              onClick={() => setIsOpen(false)}
-              className="fixed inset-0 bg-black/60 backdrop-blur-sm z-40"
-            />
-
-            {/* Sidebar panel */}
-            <motion.aside
-              initial={{ x: '-100%', opacity: 0 }}
-              animate={{ x: 0, opacity: 1 }}
-              exit={{ x: '-100%', opacity: 0 }}
-              transition={{ type: 'spring', damping: 30, stiffness: 300 }}
-              className="fixed top-0 left-0 h-full w-80 bg-shell-900 border-r-2 border-shell-700 z-50 flex flex-col overflow-hidden"
-            >
-              {/* Scanline texture */}
-              <div className="absolute inset-0 texture-scanlines pointer-events-none" />
-
-              {/* Header */}
-              <div className="relative flex items-center justify-between p-4 border-b-2 border-shell-700 bg-shell-950/50">
-                <div className="flex items-center gap-3">
-                  <CrabIdleAnimation className="w-7 h-7" />
-                  <h2 className="font-display text-lg font-semibold text-gray-200 tracking-wide">
-                    NAVIGATION
-                  </h2>
-                </div>
-                <button
-                  onClick={() => setIsOpen(false)}
-                  className="p-2 hover:bg-shell-800 rounded-lg transition-colors border border-transparent hover:border-shell-600"
-                  aria-label="Close menu"
-                >
-                  <X size={20} className="text-gray-400" />
-                </button>
-              </div>
-
-              {/* Navigation links */}
-              <nav className="relative flex-1 p-4 overflow-y-auto">
-                <Link
-                  to="/"
-                  onClick={() => setIsOpen(false)}
-                  className="flex items-center gap-3 p-3 rounded-lg hover:bg-shell-800 transition-all duration-150 mb-2 border-2 border-transparent hover:border-shell-600 group"
-                  activeProps={{
-                    className: 'flex items-center gap-3 p-3 rounded-lg bg-crab-900/30 border-2 border-crab-700 mb-2 group box-glow-red',
-                  }}
-                >
-                  <Home size={18} className="text-gray-400 group-hover:text-crab-400" />
-                  <span className="font-display font-medium text-sm tracking-wide text-gray-200 group-hover:text-white">
-                    HOME
-                  </span>
-                </Link>
-
-                <Link
-                  to="/monitor"
-                  onClick={() => setIsOpen(false)}
-                  className="flex items-center gap-3 p-3 rounded-lg hover:bg-shell-800 transition-all duration-150 mb-2 border-2 border-transparent hover:border-shell-600 group"
-                  activeProps={{
-                    className: 'flex items-center gap-3 p-3 rounded-lg bg-crab-900/30 border-2 border-crab-700 mb-2 group box-glow-red',
-                  }}
-                >
-                  <Activity size={18} className="text-gray-400 group-hover:text-crab-400" />
-                  <span className="font-display font-medium text-sm tracking-wide text-gray-200 group-hover:text-white">
-                    MONITOR
-                  </span>
-                </Link>
-
-                {/* Decorative separator */}
-                <div className="my-6 h-px bg-linear-to-r from-transparent via-shell-600 to-transparent" />
-
-                {/* Console-style info */}
-                <div className="font-console text-shell-500 text-[10px] leading-relaxed">
-                  <div className="mb-1">
-                    <span className="text-crab-600">&gt;</span> system: active
-                  </div>
-                  <div className="mb-1">
-                    <span className="text-crab-600">&gt;</span> protocol: v3
-                  </div>
-                  <div>
-                    <span className="text-crab-600">&gt;</span> gateway: ws://127.0.0.1:18789
-                  </div>
-                </div>
-              </nav>
-
-              {/* Footer */}
-              <div className="relative p-4 border-t-2 border-shell-700 bg-shell-950/50">
-                <div className="flex items-center justify-center gap-2">
-                  <span className="w-2 h-2 rounded-full bg-neon-mint animate-pulse" />
-                  <span className="font-console text-xs text-shell-500">
-                    crabwalk online
-                  </span>
-                </div>
-              </div>
-            </motion.aside>
-          </>
-        )}
-      </AnimatePresence>
-    </>
-  )
-}

src/routes/__root.tsx

@@ -3,7 +3,6 @@ import { HeadContent, Scripts, createRootRoute, Link } from '@tanstack/react-rou
 import { TanStackRouterDevtools } from '@tanstack/react-router-devtools'
 import { motion } from 'framer-motion'
 import appCss from '../styles.css?url'
-import { Header } from '../components/Header'
 import { QueryProvider } from '../integrations/query/provider'
 import { queryDevtoolsPlugin } from '../integrations/query/devtools'
 import { CrabIdleAnimation } from '../components/ani'
@@ -32,7 +31,7 @@ export const Route = createRootRoute({
 
 function NotFound() {
   return (
-    <div className="min-h-[calc(100vh-72px)] bg-shell-950 texture-grid flex items-center justify-center relative overflow-hidden">
+    <div className="min-h-screen bg-shell-950 texture-grid flex items-center justify-center relative overflow-hidden">
       {/* Background glow */}
       <div className="absolute inset-0 flex items-center justify-center">
         <div className="w-96 h-96 bg-crab-600/10 rounded-full blur-3xl" />
@@ -77,7 +76,6 @@ function RootDocument({ children }: { children: React.ReactNode }) {
       </head>
       <body className="bg-shell-950 text-gray-100">
         <QueryProvider>
-          <Header />
           {children}
           <TanStackRouterDevtools />
           {devtoolsPlugins.map((plugin, i) => (

src/routes/index.tsx

@@ -59,7 +59,7 @@ function Home() {
   }, [isHovering])
 
   return (
-    <div className="min-h-[calc(100vh-72px)] bg-shell-950 texture-grid relative overflow-hidden">
+    <div className="min-h-screen bg-shell-950 texture-grid relative overflow-hidden">
       {/* Decorative background elements */}
       <div className="absolute inset-0 bg-linear-to-br from-crab-950/20 via-transparent to-shell-950" />
       <div className="absolute top-0 left-0 w-96 h-96 bg-crab-600/5 rounded-full blur-3xl -translate-x-1/2 -translate-y-1/2" />
@@ -70,7 +70,7 @@ function Home() {
       <CrabSilhouette className="absolute bottom-32 left-16 w-16 h-16 text-crab-900/8 -rotate-6" />
 
       {/* Main content */}
-      <div className="relative flex items-center justify-center min-h-[calc(100vh-72px)] px-4">
+      <div className="relative flex items-center justify-center min-h-screen px-4">
         <div className="text-center max-w-2xl">
           {/* Interactive animated crab with glow */}
           <motion.div