*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body{
  font-family: sans-serif;
  background: #f4f4f4;
  padding: 20px;
}

.container{
  max-width: 500px;
  margin: auto;
  background: white;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1{
  text-align: center;
  margin-bottom: 25px;
}

label{
  display: block;
  margin-top: 15px;
  margin-bottom: 5px;
  font-weight: bold;
}

input,
select,
button{
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-size: 16px;
}

button{
  margin-top: 25px;
  background: #2c7a4b;
  color: white;
  border: none;
  cursor: pointer;
  font-weight: bold;
}

button:hover{
  opacity: 0.9;
}

.result{
  margin-top: 25px;
  line-height: 2;
  font-size: 18px;
}

.totalBox{
  margin-top: 15px;
  background: #222;
  color: white;
  padding: 15px;
  border-radius: 10px;
  font-size: 32px;
  text-align: center;
  font-weight: bold;
  letter-spacing: 1px;
}
.weightTable{
  margin-top: 25px;
  padding: 15px;
  background: #f7f7f7;
  border-radius: 10px;
}

.weightTable h2{
  font-size: 18px;
  margin-bottom: 10px;
}

.weightTable p{
  font-weight: bold;
  margin-top: 12px;
  margin-bottom: 6px;
}

.weightTable button{
  width: 48%;
  padding: 8px;
  margin: 3px 1%;
  font-size: 14px;
}
.weightTable{
  margin-top: 25px;
}

.taxGroup{
  margin-bottom: 20px;
}

.taxButtons{
  display: flex;
  gap: 10px;
}

.taxButtons button{
  flex: 1;
  padding: 10px;
  font-size: 16px;
}
@media (max-width: 600px) {
  body {
    padding: 10px;
  }

  .container {
    width: 100%;
    padding: 16px;
    box-sizing: border-box;
  }

  input,
  select,
  button {
    font-size: 16px;
  }

  .tax-buttons {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .tax-btn {
    padding: 10px 6px;
    font-size: 14px;
  }

  h1 {
    font-size: 22px;
  }

  h4 {
    font-size: 15px;
  }
}
@media (max-width: 600px) {
  body {
    padding: 6px;
  }

  .container {
    width: 100%;
    padding: 12px;
    box-sizing: border-box;
  }

  input,
  select,
  button {
    font-size: 14px;
    padding: 8px;
  }

  .tax-buttons {
  grid-template-columns: repeat(3, minmax(90px, 1fr));
  gap: 4px;
}

  .tax-btn {
  padding: 8px 2px;
  font-size: 9px;
  white-space: nowrap;
  letter-spacing: -0.5px;
}

  h1 {
    font-size: 20px;
    margin-bottom: 10px;
  }

  h4 {
    font-size: 13px;
    margin-bottom: 6px;
  }
}
.result-box {
  background: #f8fafc;
  border: 2px solid #d1d5db;
  border-radius: 14px;
  padding: 14px;
  margin-top: 16px;
  text-align: center;
}

.result-box h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

#total {
  font-size: 28px;
  font-weight: bold;
  color: #111827;
}