*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:Arial, sans-serif;
}

body{
  background:#0f1115;
  color:white;
}

.app-container{
  padding:15px;
}

.header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:20px;
}

.header h1{
  font-size:24px;
}

#refreshBtn{
  background:#1f2937;
  color:white;
  border:none;
  padding:10px 14px;
  border-radius:10px;
  cursor:pointer;
}

.search-section{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-bottom:20px;
}

.search-section input,
.search-section select{
  width:100%;
  padding:12px;
  border:none;
  border-radius:12px;
  background:#1f2937;
  color:white;
}

.kpi-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  margin-bottom:20px;
}

.card{
  background:#1f2937;
  padding:15px;
}