style(admin): reduce header height and simplify layout spacing and menu item focus styles

src/shared/components/Badge.js

@@ -24,9 +24,9 @@ const Badge = ({
     };
     
     const sizes = {
-        sm: 'px-2 py-0.5 rounded-full text-xs',
-        md: 'px-2.5 py-0.5 rounded-full text-xs',
-        lg: 'px-3 py-1 rounded-full text-sm'
+        sm: 'px-2 py-0.5 rounded-lg text-[11px]',
+        md: 'px-2.5 py-0.5 rounded-lg text-[11px]',
+        lg: 'px-3 py-1 rounded-lg text-xs'
     };
 
     return (

src/shared/components/Button.js

@@ -15,7 +15,7 @@ const Button = ({
     className = '',
     ...props
 }) => {
-    const baseClassName = 'cursor-pointer inline-flex items-center justify-center font-medium rounded-xl transition-all duration-200 focus:outline-none focus:ring-1 disabled:opacity-50 disabled:cursor-not-allowed';
+    const baseClassName = 'cursor-pointer inline-flex items-center justify-center font-medium rounded-xl transition-all duration-[120ms] ease-out focus:outline-none focus:ring-1 disabled:opacity-50 disabled:cursor-not-allowed';
     
     const variants = {
         primary: 'bg-neutral-900 text-white hover:bg-neutral-800 focus:ring-neutral-900/20 dark:bg-white dark:text-black dark:hover:bg-neutral-100 dark:focus:ring-white/20',
@@ -27,7 +27,7 @@ const Button = ({
     };
     
     const sizes = {
-        sm: 'px-3 py-2 text-xs gap-1.5',
+        sm: 'px-3 py-1.5 text-xs gap-1.5',
         md: 'px-4 py-2.5 text-sm gap-2',
         lg: 'px-6 py-3 text-base gap-2.5'
     };

src/shared/components/Card.js

@@ -10,12 +10,12 @@ const Card = ({
     footer,
     variant = 'default',
     padding = 'md',
-    hover = true,
+    hover = false,
     spacing = 'md',
     className = '',
     ...props
 }) => {
-    const baseClassName = 'border transition-all duration-300';
+    const baseClassName = 'border transition-all duration-[120ms] ease-out';
     const isLightDark = variant === 'lightDark';
 
     const variants = {
@@ -23,7 +23,7 @@ const Card = ({
         elevated: 'rounded-xl bg-neutral-50/80 dark:bg-neutral-900/40 border-neutral-200 dark:border-neutral-800/50',
         outline: 'rounded-xl bg-transparent border-neutral-300 dark:border-neutral-700/50',
         solid: 'rounded-xl bg-neutral-100 dark:bg-neutral-800 border-neutral-200 dark:border-neutral-700',
-        lightDark: 'rounded-2xl bg-white/80 dark:bg-neutral-900/40 border-neutral-200/80 dark:border-neutral-800/50',
+        lightDark: 'rounded-xl bg-white dark:bg-neutral-900/40 border-neutral-200 dark:border-neutral-800/50',
         success: 'rounded-xl bg-green-50 dark:bg-green-900/30 border-green-200 dark:border-green-900/50',
         info: 'rounded-xl bg-blue-50 dark:bg-blue-900/30 border-blue-200 dark:border-blue-900/50',
         warning: 'rounded-xl bg-yellow-50 dark:bg-yellow-900/30 border-yellow-200 dark:border-yellow-900/50',

src/shared/components/Input.js

@@ -18,7 +18,7 @@ const Input = ({
     step,
     ...props
 }) => {
-    const baseInputClassName = `w-full px-3 py-2.5 rounded-xl text-sm focus:outline-none transition-all duration-200 disabled:opacity-50 disabled:cursor-not-allowed bg-white border border-neutral-300 text-neutral-900 placeholder-neutral-400 focus:border-neutral-500 focus:ring-1 focus:ring-neutral-500/20 dark:bg-neutral-900/60 dark:border-neutral-700/50 dark:text-white dark:placeholder-neutral-500 dark:focus:border-neutral-600 dark:focus:ring-neutral-600/20 dark:hover:bg-neutral-900/80 ${
+    const baseInputClassName = `w-full px-3 py-2.5 rounded-xl text-sm focus:outline-none transition-all duration-[120ms] ease-out disabled:opacity-50 disabled:cursor-not-allowed bg-white border border-neutral-300 text-neutral-900 placeholder-neutral-400 focus:border-neutral-500 focus:ring-1 focus:ring-neutral-500/20 dark:bg-neutral-900/60 dark:border-neutral-700/50 dark:text-white dark:placeholder-neutral-500 dark:focus:border-neutral-600 dark:focus:ring-neutral-600/20 dark:hover:bg-neutral-900/80 ${
         error ? 'border-red-500/50 dark:border-red-500/50' : ''
     } ${className}`;
 

src/shared/components/StatCard.js

@@ -1,6 +1,5 @@
 'use client';
 
-import React from 'react';
 import { Skeleton } from './LoadingState';
 
 const StatCard = ({
@@ -31,7 +30,7 @@ const StatCard = ({
 
     return (
         <div 
-            className={`group bg-white dark:bg-neutral-900/40 backdrop-blur-sm border border-neutral-200 dark:border-neutral-800/50 rounded-2xl p-4 sm:p-6 hover:bg-neutral-50 dark:hover:bg-neutral-900/50 hover:border-neutral-300 dark:hover:border-neutral-700/50 transition-all duration-300 ${className}`}
+            className={`bg-white dark:bg-neutral-900/40 border border-neutral-200 dark:border-neutral-800/50 rounded-xl p-4 sm:p-6 transition-all duration-[120ms] ease-out ${className}`}
             {...props}
         >
             <div className="flex items-start justify-between">