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

body{
  background-color: #F4F7FB;
  display: flex;
  justify-content: center;
  align-items: center;
}
.app{
  width: 100%;
  max-width: 450px;
  background: #fff;
  padding: 25px;
  border: 2px solid #E2E8F0;
  border-radius: 15px;
  margin-top: 20px;
}

h1{
  color: #2563EB;
  text-align: center;
  margin-bottom: 13px;
}

.subtitle{
  color: #64748B ;
  text-align: center;
  margin-bottom: 13px;
}

.form-box {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.form-box input {
  padding: 12px;
  border: 2px solid #ddd;
  border-radius: 8px;
  font-size: 16px;
  outline: none;
}

.form-box input:hover {
  border-color: #3498db;
}

.form-box input:focus {
background-color: #DBEAFE;
  transition: .3s;
}


#saveBtn{
  padding: 12px;
  font-size: 15px;
  background: #2563EB;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

#saveBtn:hover{
  background: #1D4ED8;
  transition: 0.3s;
}
#message{
  text-align: center;
  color: green;
  font-weight: bold;
  margin-bottom: 17px;
}
.relat{
  height: 60px;
  position: relative;
}
.list-box h2 {
  color: #E2E8F0;
  font-size: 21px;
  border: none;
  border-radius: 8px;
  position: absolute;
  margin-bottom: 15px;
  background: #2563EB;
  padding: 8px;
}

#total{
  color: #E2E8F0;
  font-size: 21px;
  border: none;
  border-radius: 8px;
  position: absolute;
  margin-bottom: 15px;
  background: #2563EB;
  padding: 8px;
  right: 1px;
}
#productList {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.product-card {
  background: #f8f9fa;
  border-left: 5px solid #3498db;
  padding: 15px;
  border-radius: 10px;
  transition: .3s;
  animation: show .4s ease;
}
.product-card h3 {
  color: #2c3e50;
  margin-bottom: 10px;
}

.product-card p {
  color: #666;
  margin-bottom: 6px;
}

.product-card button {
  padding: 8px 14px;
  border: none;
  border-radius: 6px;
  color: white;
  cursor: pointer;
  margin-top: 10px;
  margin-right: 8px;
  transition: .3s;
}

.editbtn{
  background-color: #f39c12;
}

.editbtn:hover {
  background: #d68910;
  transition: .3s;
}

.delbtn {
  background: #e74c3c;
  
}

.delbtn:hover {
  background: #c0392b;
  transition: .3s;
}


li{
  margin-left: 6px;
  margin-bottom: 5px;
}