body {
  font-family: Arial, sans-serif;
  background: #d4e0ee;
  padding: 20px;
}

.container {
  background: rgb(167, 203, 243);
  padding: 22px;
  max-width: 400px;
  margin: auto;
  border-radius: 14px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.06);
}

h2 {
  text-align: center;
  color: #3b6ea8;
}

label {
  font-weight: bold;
  color: #3b6ea8;
}

input {
  padding: 10px;
  width: 90%;
  margin: 6px 0 12px;
  border-radius: 8px;
  border: 1px solid #cfdff1;
}

input:focus {
  outline: none;
  border-color: #659ae0;
}

button {
  padding: 10px;
  border: none;
  border-radius: 8px;
  background: #659ae0;
  color: white;
  cursor: pointer;
}

button:hover {
  background: #659ae0;
}

.btn-full {
  width: 100%;
}

.row {
  display: flex;
  gap: 6px;
}

hr {
  margin: 20px 0;
  border: none;
  border-top: 1px solid #dbe7f5;
}

#sisaTotal {
  text-align: center;
  font-weight: bold;
  color: #2f5f9b;
}

/* kebutuhan */
.kebutuhan-item {
  background: #f5f9ff;
  border-radius: 10px;
  padding: 12px;
  margin-top: 12px;
}

.kebutuhan-row {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}

.kebutuhan-row input {
  flex: 1;
}