feat: implement comprehensive frontend design improvements

src/App.vue

@@ -1,11 +1,22 @@
 <template>
-  <div id="app">
-    <router-view />
+  <div id="app" class="transition-colors duration-200">
+    <PageTransition>
+      <router-view />
+    </PageTransition>
   </div>
 </template>
 
 <script setup lang="ts">
-// App root component
+import { onMounted } from 'vue'
+import PageTransition from '@/components/PageTransition.vue'
+import { useTheme } from '@/composables/useTheme'
+
+// Initialize theme on app start
+const { initTheme } = useTheme()
+
+onMounted(() => {
+  initTheme()
+})
 </script>
 
 <style>

src/components/BaseBadge.vue

@@ -0,0 +1,106 @@
+<template>
+  <span :class="badgeClasses" v-bind="$attrs">
+    <span v-if="$slots.icon || dot" class="flex items-center mr-1" :class="{ 'mr-0': !$slots.default }" aria-hidden="true">
+      <slot name="icon">
+        <div v-if="dot" :class="dotClasses"></div>
+      </slot>
+    </span>
+
+    <span v-if="$slots.default">
+      <slot />
+    </span>
+
+    <span v-if="$slots.iconRight" class="flex items-center ml-1" aria-hidden="true">
+      <slot name="iconRight" />
+    </span>
+  </span>
+</template>
+
+<script setup lang="ts">
+import { computed } from 'vue'
+
+interface Props {
+  variant?: 'default' | 'primary' | 'secondary' | 'success' | 'warning' | 'danger' | 'info'
+  size?: 'xs' | 'sm' | 'md' | 'lg'
+  dot?: boolean
+  rounded?: boolean
+  outline?: boolean
+  pulse?: boolean
+}
+
+const props = withDefaults(defineProps<Props>(), {
+  variant: 'default',
+  size: 'md',
+  dot: false,
+  rounded: false,
+  outline: false,
+  pulse: false
+})
+
+// Base classes
+const baseClasses = 'inline-flex items-center font-medium transition-all duration-200'
+
+// Size classes
+const sizeClasses = {
+  xs: 'px-2 py-0.5 text-xs',
+  sm: 'px-2.5 py-1 text-xs',
+  md: 'px-3 py-1 text-sm',
+  lg: 'px-4 py-1.5 text-sm'
+}
+
+// Variant classes (filled)
+const variantClasses = {
+  default: 'bg-gray-100 text-gray-700',
+  primary: 'bg-blue-100 text-blue-700',
+  secondary: 'bg-gray-100 text-gray-700',
+  success: 'bg-green-100 text-green-700',
+  warning: 'bg-yellow-100 text-yellow-700',
+  danger: 'bg-red-100 text-red-700',
+  info: 'bg-cyan-100 text-cyan-700'
+}
+
+// Outline variant classes
+const outlineVariantClasses = {
+  default: 'border border-gray-300 text-gray-700 bg-white',
+  primary: 'border border-blue-300 text-blue-700 bg-white',
+  secondary: 'border border-gray-300 text-gray-700 bg-white',
+  success: 'border border-green-300 text-green-700 bg-white',
+  warning: 'border border-yellow-300 text-yellow-700 bg-white',
+  danger: 'border border-red-300 text-red-700 bg-white',
+  info: 'border border-cyan-300 text-cyan-700 bg-white'
+}
+
+// Dot color classes
+const dotColorClasses = {
+  default: 'bg-gray-400',
+  primary: 'bg-blue-500',
+  secondary: 'bg-gray-400',
+  success: 'bg-green-500',
+  warning: 'bg-yellow-500',
+  danger: 'bg-red-500',
+  info: 'bg-cyan-500'
+}
+
+// Computed classes
+const badgeClasses = computed(() => [
+  baseClasses,
+  sizeClasses[props.size],
+  props.outline ? outlineVariantClasses[props.variant] : variantClasses[props.variant],
+  {
+    'rounded-full': props.rounded || props.size === 'xs',
+    'rounded-lg': !props.rounded && props.size !== 'xs',
+    'animate-pulse': props.pulse
+  }
+])
+
+const dotClasses = computed(() => [
+  'rounded-full',
+  dotColorClasses[props.variant],
+  {
+    'w-1.5 h-1.5': props.size === 'xs',
+    'w-2 h-2': props.size === 'sm' || props.size === 'md',
+    'w-2.5 h-2.5': props.size === 'lg',
+    'animate-pulse': props.pulse
+  }
+])
+</script>

src/components/BaseButton.vue

@@ -0,0 +1,117 @@
+<template>
+  <component 
+    :is="tag" 
+    :to="to"
+    :href="href"
+    :target="target"
+    :rel="rel"
+    :type="type"
+    :disabled="disabled || loading"
+    :class="buttonClasses"
+    :aria-label="ariaLabel"
+    :aria-describedby="ariaDescribedby"
+    @click="handleClick"
+    v-bind="$attrs"
+  >
+    <span v-if="loading" class="flex items-center justify-center mr-2" aria-hidden="true">
+      <svg class="animate-spin h-4 w-4" fill="none" viewBox="0 0 24 24">
+        <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
+        <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
+      </svg>
+      <span class="sr-only">Loading...</span>
+    </span>
+
+    <span v-if="$slots.icon && !loading" class="flex items-center mr-2" aria-hidden="true">
+      <slot name="icon" />
+    </span>
+
+    <span :class="{ 'opacity-75': loading }">
+      <slot />
+    </span>
+
+    <span v-if="$slots.iconRight && !loading" class="flex items-center ml-2" aria-hidden="true">
+      <slot name="iconRight" />
+    </span>
+  </component>
+</template>
+
+<script setup lang="ts">
+import { computed } from 'vue'
+
+interface Props {
+  variant?: 'primary' | 'secondary' | 'outline' | 'ghost' | 'danger'
+  size?: 'xs' | 'sm' | 'md' | 'lg' | 'xl'
+  tag?: 'button' | 'a' | 'router-link'
+  to?: string | object
+  href?: string
+  target?: string
+  rel?: string
+  type?: 'button' | 'submit' | 'reset'
+  disabled?: boolean
+  loading?: boolean
+  block?: boolean
+  rounded?: boolean
+  shadow?: boolean
+  ariaLabel?: string
+  ariaDescribedby?: string
+}
+
+const props = withDefaults(defineProps<Props>(), {
+  variant: 'primary',
+  size: 'md',
+  tag: 'button',
+  type: 'button',
+  disabled: false,
+  loading: false,
+  block: false,
+  rounded: false,
+  shadow: true
+})
+
+const emit = defineEmits<{
+  click: [event: Event]
+}>()
+
+// Base classes
+const baseClasses = 'inline-flex items-center justify-center font-semibold transition-all duration-200 focus:outline-none focus:ring-2 focus:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50'
+
+// Size classes
+const sizeClasses = {
+  xs: 'px-2.5 py-1.5 text-xs',
+  sm: 'px-3 py-2 text-sm',
+  md: 'px-4 py-2.5 text-sm',
+  lg: 'px-6 py-3 text-base',
+  xl: 'px-8 py-4 text-lg'
+}
+
+// Variant classes
+const variantClasses = {
+  primary: 'bg-gradient-to-r from-blue-600 to-indigo-600 hover:from-blue-700 hover:to-indigo-700 text-white focus:ring-blue-500',
+  secondary: 'bg-gray-100 hover:bg-gray-200 text-gray-900 focus:ring-gray-500',
+  outline: 'border-2 border-gray-300 hover:border-blue-600 bg-white hover:bg-blue-50 text-gray-700 hover:text-blue-600 focus:ring-blue-500',
+  ghost: 'bg-transparent hover:bg-gray-100 text-gray-700 hover:text-gray-900 focus:ring-gray-500',
+  danger: 'bg-red-600 hover:bg-red-700 text-white focus:ring-red-500'
+}
+
+// Computed classes
+const buttonClasses = computed(() => [
+  baseClasses,
+  sizeClasses[props.size],
+  variantClasses[props.variant],
+  {
+    'w-full': props.block,
+    'rounded-xl': props.rounded || props.size === 'lg' || props.size === 'xl',
+    'rounded-lg': !props.rounded && (props.size === 'md' || props.size === 'sm'),
+    'rounded-md': !props.rounded && props.size === 'xs',
+    'shadow-lg hover:shadow-xl transform hover:-translate-y-0.5': props.shadow && props.variant === 'primary',
+    'shadow-md hover:shadow-lg': props.shadow && props.variant !== 'primary',
+    'cursor-wait': props.loading
+  }
+])
+
+const handleClick = (event: Event) => {
+  if (!props.disabled && !props.loading) {
+    emit('click', event)
+  }
+}
+</script>