<script setup lang="ts">
import { ref, computed, onMounted, onUnmounted } from 'vue'
import { ElMessage } from 'element-plus'

const API_BASE = 'http://localhost:8082'

// Skills 接口
interface Skill {
  id: string
  skill_name: string
  skill_type: string
  skill_desc: string
  path: string
  status: string
}

// Agents 数据
const agents = ref<any[]>([])

// 获取智能体列表
const fetchAgents = async () => {
  try {
    const response = await fetch('http://localhost:8082/api/agent/list')
    if (!response.ok) throw new Error('Failed to fetch agents')

    const data = await response.json()

    // 转换后端数据为前端格式
    agents.value = (data.agents || []).map((agent: any) => ({
      id: agent.id,
      name: agent.name,
      avatar: agent.avatar || '🤖',
      description: agent.description || '',
      accentColor: '#f97316',
      gradient: 'from-orange-500/20 to-amber-500/20',
      status: 'stopped' as const,
      framework: agent.skills?.length > 0 ? agent.skills.join(', ') : 'None',
      model: agent.model_name || 'claude-sonnet-4-20250514',
      mcpServers: 0,
      createdAt: new Date().toISOString().split('T')[0],
    }))
  } catch (error) {
    console.error('Failed to fetch agents:', error)
    // 保持空数组，不使用假数据
  }
}

// 创建智能体弹窗状态
const showCreateModal = ref(false)
const isCreating = ref(false)
const newAgent = ref({
  name: '',
  description: '',
  skillsMode: 'all' as 'all' | 'include' | 'exclude',
  selectedSkills: [] as string[],
  knowledge: '',
  prompt: '',
  avatar: '🤖',
})

// Skills 选择器状态
const showSkillsDropdown = ref(false)
const showSubSkillsDropdown = ref(false)

// Skills 模式选项
const skillsModeOptions = [
  { value: 'all', label: 'All Skills', desc: 'Use all available skills' },
  { value: 'include', label: 'Include Skills', desc: 'Select specific skills to use' },
  { value: 'exclude', label: 'Exclude Skills', desc: 'Select skills to exclude' },
]

// 切换技能模式下拉框
const toggleSkillsMode = () => {
  showSkillsDropdown.value = !showSkillsDropdown.value
  showSubSkillsDropdown.value = false
}

// 选择技能模式
const selectSkillsMode = (mode: 'all' | 'include' | 'exclude') => {
  newAgent.value.skillsMode = mode
  if (mode === 'all') {
    newAgent.value.selectedSkills = []
  }
  showSkillsDropdown.value = false
  if (mode === 'include' || mode === 'exclude') {
    showSubSkillsDropdown.value = true
  }
}

// 处理技能模式点击（用于模板）
const handleSkillsModeClick = (mode: string) => {
  if (mode === 'all' || mode === 'include' || mode === 'exclude') {
    selectSkillsMode(mode)
  }
}

// 切换子下拉框
const toggleSubSkillsDropdown = () => {
  showSubSkillsDropdown.value = !showSubSkillsDropdown.value
}

// 关闭所有下拉框
const closeAllDropdowns = () => {
  showSkillsDropdown.value = false
  showSubSkillsDropdown.value = false
}

// 获取显示文本
const getSkillsDisplayText = () => {
  if (newAgent.value.skillsMode === 'all') {
    return 'All Skills'
  }
  const count = newAgent.value.selectedSkills.length
  if (count === 0) {
    return newAgent.value.skillsMode === 'include' ? 'Select skills to include...' : 'Select skills to exclude...'
  }
  return `${count} skill${count > 1 ? 's' : ''} ${newAgent.value.skillsMode === 'include' ? 'included' : 'excluded'}`
}

// 切换子下拉框中的技能选择
const toggleSkillSelection = (skillId: string) => {
  const index = newAgent.value.selectedSkills.indexOf(skillId)
  if (index > -1) {
    newAgent.value.selectedSkills.splice(index, 1)
  } else {
    newAgent.value.selectedSkills.push(skillId)
  }
}

// 头像选项
const avatarOptions = [
  '🤖', '🧠', '💻', '📊', '🔬', '🎧', '✨', '💬', '🔮', '🌙',
  '🐉', '☁️', '🎨', '🎯', '🚀', '⚡', '🔥', '💡', '🎭', '🎪'
]

// Skills 列表
const skillsList = ref<Skill[]>([])
const skillsLoading = ref(false)

// 获取 skills 列表
const fetchSkills = async () => {
  skillsLoading.value = true
  try {
    const response = await fetch(`${API_BASE}/skill/list`)
    const result = await response.json()
    if (result.list) {
      skillsList.value = result.list
    }
  } catch (error) {
    console.error('Failed to fetch skills:', error)
  } finally {
    skillsLoading.value = false
  }
}

// Skills 选项（从真实列表生成）
const skillsOptions = computed(() => {
  return skillsList.value.map(skill => ({
    value: skill.id,
    label: skill.skill_name,
    desc: skill.skill_desc,
  }))
})

// Knowledge 选项
const knowledgeOptions = [
  { value: 'general', label: 'General Knowledge' },
  { value: 'codebase', label: 'Codebase' },
  { value: 'docs', label: 'Documentation' },
  { value: 'api', label: 'API Reference' },
]

// Skills 选择器状态
const skillsSearch = ref('')

// 获取 skill 标签
const getSkillLabel = (id: string) => {
  return skillsOptions.value.find(s => s.value === id)?.label || id
}

// 过滤后的 skills
const filteredSkills = computed(() => {
  if (!skillsSearch.value) return skillsOptions.value
  const search = skillsSearch.value.toLowerCase()
  return skillsOptions.value.filter(s =>
    s.label.toLowerCase().includes(search) ||
    (s.desc && s.desc.toLowerCase().includes(search))
  )
})

// 是否全选
const isAllSelected = computed(() => {
  return skillsOptions.value.length > 0 && newAgent.value.selectedSkills.length === skillsOptions.value.length
})

// 是否半选
const isIndeterminate = computed(() => {
  return newAgent.value.selectedSkills.length > 0 && newAgent.value.selectedSkills.length < skillsOptions.value.length
})

// 切换下拉框
const toggleSkillsDropdown = () => {
  showSkillsDropdown.value = !showSkillsDropdown.value
  if (!showSkillsDropdown.value) {
    skillsSearch.value = ''
  }
}

// 关闭下拉框
const closeSkillsDropdown = () => {
  showSkillsDropdown.value = false
  skillsSearch.value = ''
}

// 全选 skills
const selectAllSkills = () => {
  newAgent.value.selectedSkills = skillsOptions.value.map(s => s.value)
}

// 清空 skills
const clearSkills = () => {
  newAgent.value.selectedSkills = []
}

// 切换全选
const toggleSelectAll = () => {
  if (isAllSelected.value) {
    newAgent.value.selectedSkills = []
  } else {
    newAgent.value.selectedSkills = skillsOptions.value.map(s => s.value)
  }
}

// 点击外部关闭下拉框
const handleClickOutside = (e: MouseEvent) => {
  const target = e.target as HTMLElement
  if (!target.closest('.skills-selector')) {
    closeSkillsDropdown()
  }
}

// 页面加载时获取 skills 和 agents
onMounted(() => {
  fetchSkills()
  fetchAgents()
  document.addEventListener('click', handleClickOutside)
})

onUnmounted(() => {
  document.removeEventListener('click', handleClickOutside)
})

// 打开创建弹窗
const openCreateModal = () => {
  newAgent.value = {
    name: '',
    description: '',
    skillsMode: 'all' as const,
    selectedSkills: [],
    knowledge: '',
    prompt: '',
    avatar: '🤖'
  }
  showCreateModal.value = true
}

// 创建智能体
const createAgent = async () => {
  if (!newAgent.value.name || (newAgent.value.skillsMode !== 'all' && newAgent.value.selectedSkills.length === 0) || !newAgent.value.knowledge) {
    return
  }

  isCreating.value = true
  try {
    // 调用后端 API 创建智能体
    const response = await fetch('http://localhost:8082/api/agent/create', {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
      },
      body: JSON.stringify({
        name: newAgent.value.name,
        description: newAgent.value.description,
        avatar: newAgent.value.avatar,
        skills_mode: newAgent.value.skillsMode,
        skills: newAgent.value.selectedSkills,
        knowledge: newAgent.value.knowledge,
        prompt: newAgent.value.prompt,
      }),
    })

    if (!response.ok) {
      throw new Error(`Failed to create agent: ${response.status}`)
    }

    const result = await response.json()

    // 处理 skills 标签
    const skillsLabels = newAgent.value.selectedSkills.map((id: string) => getSkillLabel(id)).join(', ')

    // 添加到列表
    agents.value.unshift({
      id: result.agent_id,
      name: newAgent.value.name,
      avatar: newAgent.value.avatar,
      description: newAgent.value.description,
      accentColor: '#f97316',
      gradient: 'from-orange-500/20 to-amber-500/20',
      status: 'stopped',
      framework: skillsLabels || 'None',
      model: knowledgeOptions.find(k => k.value === newAgent.value.knowledge)?.label || newAgent.value.knowledge,
      mcpServers: 0,
      createdAt: new Date().toISOString().split('T')[0],
    })

    showCreateModal.value = false
    ElMessage.success('Agent created successfully')
  } catch (error) {
    console.error('Failed to create agent:', error)
    ElMessage.error('Failed to create agent')
  } finally {
    isCreating.value = false
  }
}

const searchQuery = ref('')
const filterStatus = ref('all')

// 过滤后的 agents
const filteredAgents = computed(() => {
  return agents.value.filter(agent => {
    const matchSearch = agent.name.toLowerCase().includes(searchQuery.value.toLowerCase()) ||
                       agent.framework.toLowerCase().includes(searchQuery.value.toLowerCase())
    const matchStatus = filterStatus.value === 'all' || agent.status === filterStatus.value
    return matchSearch && matchStatus
  })
})

// 统计数据
const stats = computed(() => ({
  total: agents.value.length,
  running: agents.value.filter(a => a.status === 'running').length,
  stopped: agents.value.filter(a => a.status === 'stopped').length,
}))

// 状态颜色
const statusClass = (status: string) => {
  switch (status) {
    case 'running': return 'bg-primary-success'
    case 'stopped': return 'bg-gray-500'
    default: return 'bg-gray-500'
  }
}

// 切换状态
const toggleStatus = (agent: any) => {
  agent.status = agent.status === 'running' ? 'stopped' : 'running'
}

// 删除 Agent
const deleteAgent = (id: number) => {
  agents.value = agents.value.filter(a => a.id !== id)
}
</script>

<template>
  <!-- 主内容区域 -->
  <div class="p-6 min-h-screen">
    <!-- 顶部导航 -->
    <div class="flex justify-between items-center mb-6">
      <div class="flex items-center gap-2">
        <i class="fa-solid fa-robot text-orange-500"></i>
        <span class="font-medium">Agents</span>
      </div>
      <button @click="openCreateModal" class="btn-primary">
        <i class="fa-solid fa-plus"></i>
        New Agent
      </button>
    </div>

    <!-- 搜索和筛选 -->
    <div class="flex gap-4 mb-6">
      <div class="flex-1 relative">
        <i class="fa-solid fa-search absolute left-3 top-1/2 -translate-y-1/2 text-gray-400"></i>
        <input
          v-model="searchQuery"
          type="text"
          placeholder="Search agents by name or framework..."
          class="search-input w-full"
        >
      </div>
      <el-select v-model="filterStatus" placeholder="Select" class="w-40" size="large">
        <el-option label="All Status" value="all" />
        <el-option label="Running" value="running" />
        <el-option label="Stopped" value="stopped" />
      </el-select>
    </div>

    <!-- Agents 列表 -->
    <div class="bg-dark-700 rounded-xl overflow-hidden">
      <table v-if="filteredAgents.length > 0" class="w-full">
        <thead class="bg-dark-600">
          <tr>
            <th class="text-left px-5 py-3 text-sm font-medium text-gray-400">Agent Name</th>
            <th class="text-left px-5 py-3 text-sm font-medium text-gray-400">Framework</th>
            <th class="text-left px-5 py-3 text-sm font-medium text-gray-400">Model</th>
            <th class="text-center px-5 py-3 text-sm font-medium text-gray-400">MCP</th>
            <th class="text-left px-5 py-3 text-sm font-medium text-gray-400">Status</th>
            <th class="text-left px-5 py-3 text-sm font-medium text-gray-400">Created</th>
            <th class="text-right px-5 py-3 text-sm font-medium text-gray-400">Actions</th>
          </tr>
        </thead>
        <tbody>
          <tr v-for="agent in filteredAgents" :key="agent.id" class="table-row">
            <td class="px-5 py-4">
              <div class="flex items-center gap-3">
                <div
                  class="w-10 h-10 rounded-lg flex items-center justify-center text-lg"
                  :style="{ backgroundColor: agent.accentColor + '20', color: agent.accentColor }"
                >
                  {{ agent.avatar }}
                </div>
                <div>
                  <div class="font-medium text-white">{{ agent.name }}</div>
                  <div class="text-xs text-gray-500">{{ agent.description }}</div>
                </div>
              </div>
            </td>
            <td class="px-5 py-4">
              <span class="bg-dark-500 px-2 py-1 rounded text-sm text-gray-300">{{ agent.framework }}</span>
            </td>
            <td class="px-5 py-4 text-gray-300">{{ agent.model }}</td>
            <td class="px-5 py-4 text-center">
              <span class="text-primary-cyan">{{ agent.mcpServers }}</span>
            </td>
            <td class="px-5 py-4">
              <div class="flex items-center gap-2">
                <span class="w-2 h-2 rounded-full" :class="statusClass(agent.status)"></span>
                <span class="capitalize text-sm text-gray-300">{{ agent.status }}</span>
              </div>
            </td>
            <td class="px-5 py-4 text-gray-400 text-sm">{{ agent.createdAt }}</td>
            <td class="px-5 py-4">
              <div class="flex items-center justify-end gap-2">
                <button
                  @click="toggleStatus(agent)"
                  class="btn-icon"
                  :title="agent.status === 'running' ? 'Stop' : 'Start'"
                >
                  <i :class="['fa-solid', agent.status === 'running' ? 'fa-stop' : 'fa-play', 'text-gray-400']"></i>
                </button>
                <button class="btn-icon" title="Edit">
                  <i class="fa-solid fa-pen text-gray-400"></i>
                </button>
                <button class="btn-icon" title="Settings">
                  <i class="fa-solid fa-gear text-gray-400"></i>
                </button>
                <button
                  @click="deleteAgent(agent.id)"
                  class="btn-icon"
                  title="Delete"
                >
                  <i class="fa-solid fa-trash text-gray-400 hover:text-primary-danger"></i>
                </button>
              </div>
            </td>
          </tr>
        </tbody>
      </table>

      <!-- 空状态 -->
      <div v-if="filteredAgents.length === 0" class="empty-box">
        <div class="empty-icon">
          <i class="fa-solid fa-robot"></i>
        </div>
        <p class="empty-text">No agents found</p>
        <p class="empty-tip">Click "New Agent" to create one</p>
      </div>
    </div>
  </div>

  <!-- 创建智能体弹窗 -->
  <Teleport to="body">
    <div v-if="showCreateModal" class="fixed inset-0 bg-black/60 flex items-center justify-center z-50">
      <div class="bg-dark-700 rounded-2xl w-full max-w-lg border border-dark-500 shadow-2xl">
        <div class="flex items-center justify-between p-5 border-b border-dark-500">
          <h3 class="text-lg font-semibold">Create New Agent</h3>
          <button @click="showCreateModal = false" class="text-gray-400 hover:text-white transition-colors">
            <i class="fa-solid fa-xmark text-xl"></i>
          </button>
        </div>

        <div class="p-5 space-y-4">
          <div>
            <label class="block text-sm font-medium text-gray-300 mb-2">Agent Name *</label>
            <input
              v-model="newAgent.name"
              type="text"
              placeholder="Enter agent name..."
              class="w-full bg-dark-600 border border-dark-500 rounded-lg px-4 py-2.5 text-white placeholder-gray-500 focus:outline-none focus:border-primary-orange"
            >
          </div>

          <div>
            <label class="block text-sm font-medium text-gray-300 mb-2">Description</label>
            <textarea
              v-model="newAgent.description"
              rows="3"
              placeholder="Describe what this agent does..."
              class="w-full bg-dark-600 border border-dark-500 rounded-lg px-4 py-2.5 text-white placeholder-gray-500 focus:outline-none focus:border-primary-orange resize-none"
            ></textarea>
          </div>

          <div>
            <label class="block text-sm font-medium text-gray-300 mb-2">Avatar</label>
            <div class="flex flex-wrap gap-2">
              <button
                v-for="avatar in avatarOptions"
                :key="avatar"
                type="button"
                @click="newAgent.avatar = avatar"
                class="w-10 h-10 rounded-lg flex items-center justify-center text-lg transition-all"
                :class="newAgent.avatar === avatar ? 'bg-primary-orange text-white ring-2 ring-orange-400' : 'bg-dark-600 text-gray-300 hover:bg-dark-500'"
              >
                {{ avatar }}
              </button>
            </div>
          </div>

          <div>
            <label class="block text-sm font-medium text-gray-300 mb-2">Skills *</label>
            <!-- 技能模式选择 - 两级下拉框 -->
            <div class="skills-selector">
              <!-- 已选 tags 显示区域 -->
              <div class="selected-tags" @click="toggleSkillsDropdown">
                <div v-if="newAgent.skillsMode === 'all'" class="placeholder">
                  All Skills
                </div>
                <div v-else class="tags-container">
                  <span
                    v-for="skillId in newAgent.selectedSkills.slice(0, 3)"
                    :key="skillId"
                    class="selected-tag"
                  >
                    {{ getSkillLabel(skillId) }}
                  </span>
                  <span v-if="newAgent.selectedSkills.length > 3" class="more-tag">
                    +{{ newAgent.selectedSkills.length - 3 }}
                  </span>
                </div>
                <svg class="dropdown-icon" :class="{ 'rotate-180': showSkillsDropdown }" xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                  <path d="m6 9 6 6 6-6"/>
                </svg>
              </div>

              <!-- 第一级下拉面板：模式选择 -->
              <Transition name="dropdown">
                <div v-if="showSkillsDropdown" class="dropdown-panel">
                  <div class="skills-mode-options">
                    <div
                      v-for="option in skillsModeOptions"
                      :key="option.value"
                      class="skills-mode-item"
                      :class="{ 'active': newAgent.skillsMode === option.value }"
                      @click="handleSkillsModeClick(option.value)"
                    >
                      <div class="mode-radio">
                        <div v-if="newAgent.skillsMode === option.value" class="radio-dot"></div>
                      </div>
                      <div class="mode-content">
                        <span class="mode-label">{{ option.label }}</span>
                        <span class="mode-desc">{{ option.desc }}</span>
                      </div>
                      <!-- 显示展开图标 -->
                      <svg v-if="option.value !== 'all'" class="sub-arrow" xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                        <path d="m9 18 6-6-6-6"/>
                      </svg>
                    </div>
                  </div>
                </div>
              </Transition>

              <!-- 第二级下拉面板：技能列表（悬浮窗形式） -->
              <Transition name="dropdown">
                <div v-if="showSubSkillsDropdown" class="sub-dropdown-panel" @click.stop>
                  <!-- 标题 -->
                  <div class="sub-dropdown-header">
                    <span class="sub-dropdown-title">
                      {{ newAgent.skillsMode === 'include' ? 'Select skills to include' : 'Select skills to exclude' }}
                    </span>
                    <button @click="showSubSkillsDropdown = false" class="sub-dropdown-close">
                      <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                        <path d="M18 6 6 18"/><path d="m6 6 12 12"/>
                      </svg>
                    </button>
                  </div>

                  <!-- 搜索框 -->
                  <div class="search-box">
                    <svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="search-icon">
                      <circle cx="11" cy="11" r="8"/><path d="m21 21-4.3-4.3"/>
                    </svg>
                    <input
                      v-model="skillsSearch"
                      type="text"
                      placeholder="Search skills..."
                      class="search-input"
                    >
                  </div>

                  <!-- 操作按钮 -->
                  <div class="action-bar">
                    <label class="checkbox-label cursor-pointer">
                      <input
                        type="checkbox"
                        :checked="isAllSelected"
                        :indeterminate="isIndeterminate"
                        @change="toggleSelectAll"
                        class="checkbox"
                      >
                      <span class="checkbox-text">Select All</span>
                    </label>
                    <button
                      v-if="newAgent.selectedSkills.length > 0"
                      type="button"
                      @click="clearSkills"
                      class="clear-btn"
                    >
                      Clear
                    </button>
                  </div>

                  <!-- 技能列表 -->
                  <div class="options-list">
                    <template v-if="filteredSkills.length > 0">
                      <label
                        v-for="skill in filteredSkills"
                        :key="skill.value"
                        class="option-item"
                      >
                        <input
                          type="checkbox"
                          :value="skill.value"
                          v-model="newAgent.selectedSkills"
                          class="checkbox"
                        >
                        <div class="option-content">
                          <span class="option-label">{{ skill.label }}</span>
                          <span v-if="skill.desc" class="option-desc">{{ skill.desc }}</span>
                        </div>
                      </label>
                    </template>
                    <div v-else class="no-results">
                      <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="no-results-icon">
                        <path d="M21 12a9 9 0 1 1-9-9c2.52 0 4.93 1 6.74 2.74L21 8"/>
                        <path d="M21 3v5h-5"/>
                      </svg>
                      <span>No skills available</span>
                    </div>
                  </div>
                </div>
              </Transition>
            </div>
          </div>

          <div>
            <label class="block text-sm font-medium text-gray-300 mb-2">Knowledge *</label>
            <el-select v-model="newAgent.knowledge" placeholder="Select knowledge" class="w-full" size="large" popper-class="dark-select-dropdown">
              <el-option v-for="k in knowledgeOptions" :key="k.value" :label="k.label" :value="k.value" />
            </el-select>
          </div>

          <div>
            <label class="block text-sm font-medium text-gray-300 mb-2">Custom Prompt</label>
            <textarea
              v-model="newAgent.prompt"
              rows="4"
              placeholder="Define the agent's behavior and instructions..."
              class="w-full bg-dark-600 border border-dark-500 rounded-lg px-4 py-2.5 text-white placeholder-gray-500 focus:outline-none focus:border-primary-orange resize-none"
            ></textarea>
          </div>
        </div>

        <div class="flex items-center justify-end gap-3 p-5 border-t border-dark-500">
          <button
            @click="showCreateModal = false"
            class="px-4 py-2 rounded-lg bg-dark-600 text-gray-300 hover:bg-dark-500 transition-colors"
          >
            Cancel
          </button>
          <button
            @click="createAgent"
            :disabled="isCreating || !newAgent.name || (newAgent.skillsMode !== 'all' && newAgent.selectedSkills.length === 0) || !newAgent.knowledge"
            class="px-4 py-2 rounded-lg bg-gradient-to-r from-primary-orange to-red-500 text-white hover:from-orange-500 hover:to-red-600 transition-all disabled:opacity-50 disabled:cursor-not-allowed flex items-center gap-2"
          >
            <i v-if="isCreating" class="fa-solid fa-circle-notch fa-spin"></i>
            {{ isCreating ? 'Creating...' : 'Create Agent' }}
          </button>
        </div>
      </div>
    </div>
  </Teleport>
</template>

<style scoped>
/* Skills Selector Styles */
.skills-selector {
  position: relative;
}

/* Skills Mode Options */
.skills-mode-options {
  padding: 8px;
  border-bottom: 1px solid #2a2c36;
}

.skills-mode-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.skills-mode-item:hover {
  background: #1a1c25;
}

.skills-mode-item.active {
  background: rgba(249, 115, 22, 0.1);
}

.mode-radio {
  width: 18px;
  height: 18px;
  border: 2px solid #6b7280;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.skills-mode-item.active .mode-radio {
  border-color: #f97316;
}

.radio-dot {
  width: 10px;
  height: 10px;
  background: #f97316;
  border-radius: 50%;
}

.mode-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mode-label {
  font-size: 14px;
  font-weight: 500;
  color: #f3f4f6;
}

.mode-desc {
  font-size: 12px;
  color: #9ca3af;
}

/* 子下拉框箭头 */
.sub-arrow {
  margin-left: auto;
  color: #9ca3af;
  transition: transform 0.2s ease;
}

.skills-mode-item:hover .sub-arrow {
  color: #f97316;
}

/* 子下拉面板 */
.sub-dropdown-panel {
  position: absolute;
  top: 0;
  left: 100%;
  margin-left: 8px;
  width: 280px;
  background: #171922;
  border: 1px solid #2a2c36;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  z-index: 100;
  overflow: hidden;
}

.sub-dropdown-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid #2a2c36;
  background: #1a1c25;
}

.sub-dropdown-title {
  font-size: 13px;
  font-weight: 500;
  color: #f3f4f6;
}

.sub-dropdown-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  color: #9ca3af;
  transition: all 0.2s ease;
}

.sub-dropdown-close:hover {
  background: #374151;
  color: #f3f4f6;
}

/* 无结果样式 */
.no-results {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  color: #6b7280;
  gap: 8px;
}

.no-results-icon {
  opacity: 0.5;
}

.selected-tags {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  padding: 0 12px;
  background: #171922;
  border: 1px solid #2a2c36;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.selected-tags:hover {
  border-color: #f97316;
}

.selected-tags .placeholder {
  color: #9ca3af;
  font-size: 14px;
}

.tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  flex: 1;
  overflow: hidden;
}

.selected-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
  color: white;
  font-size: 12px;
  font-weight: 500;
  border-radius: 4px;
  white-space: nowrap;
}

.more-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  background: #374151;
  color: #d1d5db;
  font-size: 12px;
  border-radius: 4px;
}

.dropdown-icon {
  color: #9ca3af;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.dropdown-icon.rotate-180 {
  transform: rotate(180deg);
}

/* Dropdown Panel */
.dropdown-panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: #171922;
  border: 1px solid #2a2c36;
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  z-index: 100;
  overflow: hidden;
}

/* Search Box */
.search-box {
  position: relative;
  padding: 12px;
  border-bottom: 1px solid #2a2c36;
}

.search-icon {
  position: absolute;
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
  color: #9ca3af;
}

.search-input {
  width: 100%;
  padding: 8px 12px 8px 36px;
  background: #111827;
  border: 1px solid #374151;
  border-radius: 6px;
  color: white;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s ease;
}

.search-input:focus {
  border-color: #f97316;
}

.search-input::placeholder {
  color: #6b7280;
}

/* Action Bar */
.action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: #111827;
  border-bottom: 1px solid #374151;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.checkbox {
  width: 16px;
  height: 16px;
  accent-color: #f97316;
  cursor: pointer;
}

.checkbox-text {
  font-size: 13px;
  font-weight: 500;
  color: #f97316;
}

.clear-btn {
  padding: 4px 10px;
  background: transparent;
  border: 1px solid #4b5563;
  border-radius: 4px;
  color: #9ca3af;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.clear-btn:hover {
  background: #374151;
  color: white;
}

/* Options List */
.options-list {
  max-height: 240px;
  overflow-y: auto;
  padding: 8px;
}

.options-list::-webkit-scrollbar {
  width: 6px;
}

.options-list::-webkit-scrollbar-track {
  background: #171922;
}

.options-list::-webkit-scrollbar-thumb {
  background: #4b5563;
  border-radius: 3px;
}

.option-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s ease;
}

.option-item:hover {
  background: #374151;
}

.option-item .checkbox {
  margin-top: 2px;
  flex-shrink: 0;
}

.option-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}

.option-label {
  font-size: 14px;
  font-weight: 500;
  color: white;
}

.option-desc {
  font-size: 12px;
  color: #9ca3af;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.no-results {
  padding: 20px;
  text-align: center;
  color: #6b7280;
  font-size: 14px;
}

/* Dropdown Transition */
.dropdown-enter-active,
.dropdown-leave-active {
  transition: all 0.2s ease;
}

.dropdown-enter-from,
.dropdown-leave-to {
  opacity: 0;
  transform: translateY(-8px);
}

/* Indeterminate checkbox */
input[type="checkbox"]:indeterminate {
  accent-color: #f97316;
}

/* Empty Box */
.empty-box {
  min-height: 340px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.empty-icon {
  width: 100px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1f2937, #111827);
  border-radius: 24px;
  margin-bottom: 20px;
}

.empty-icon i {
  font-size: 40px;
  color: #6b7280;
}

.empty-text {
  color: #d1d5db;
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 8px;
}

.empty-tip {
  font-size: 14px;
  color: #9ca3af;
  margin: 0;
}
</style>
