<template>
  <div class="data-card fade-in-up" @click="$emit('click')">
    <div class="card-header">
      <div class="card-icon" :style="{ background: iconBg }">
        <el-icon :size="20" :color="iconColor"><component :is="icon" /></el-icon>
      </div>
      <span class="card-label">{{ label }}</span>
    </div>
    <div class="card-body">
      <div class="card-value">
        <span class="value-num">{{ value }}</span>
        <span v-if="unit" class="value-unit">{{ unit }}</span>
      </div>
      <div v-if="trend !== undefined" class="card-trend" :class="trend >= 0 ? 'up' : 'down'">
        <el-icon :size="14">
          <CaretTop v-if="trend >= 0" />
          <CaretBottom v-else />
        </el-icon>
        <span>{{ Math.abs(trend) }}%</span>
        <span class="trend-label">较昨日</span>
      </div>
    </div>
  </div>
</template>

<script setup>
defineProps({
  label: { type: String, required: true },
  value: { type: [String, Number], required: true },
  unit: { type: String, default: '' },
  icon: { type: [String, Object], required: true },
  iconColor: { type: String, default: '#52c41a' },
  iconBg: { type: String, default: '#e8f9e0' },
  trend: { type: Number, default: undefined }
})

defineEmits(['click'])
</script>

<style lang="scss" scoped>
.data-card {
  background: #ffffff;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid #f0f0f0;

  &:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
  }
}

.card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-label {
  font-size: 14px;
  color: #525252;
}

.card-body {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.value-num {
  font-size: 32px;
  font-weight: 700;
  color: #262626;
  line-height: 1;
}

.value-unit {
  font-size: 14px;
  color: #525252;
  margin-left: 4px;
}

.card-trend {
  display: flex;
  align-items: center;
  font-size: 13px;
  font-weight: 500;
  gap: 2px;

  &.up {
    color: #52c41a;
  }
  &.down {
    color: #f5222d;
  }

  .trend-label {
    font-size: 12px;
    color: #bfbfbf;
    font-weight: 400;
    margin-left: 4px;
  }
}
</style>
