.wallpaper-calc-container {
  padding: 20px;
  background: #f9f9f9;
  border-radius: 16px;
  max-width: 600px;
  margin: 40px auto;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  font-family: Arial, sans-serif;
}
.inp-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 16px;
}
.inp-group label {
  font-weight: bold;
  margin-bottom: 6px;
}
.inp-vals {
  display: flex;
  gap: 10px;
}
.wp-inp {
  padding: 10px;
  flex: 1;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 14px;
}
#calculate-btn {
  padding: 12px 24px;
  background: #F29F05;
  color: white;
  font-size: 16px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.3s ease;
}
#calculate-btn:hover {
  background: #F29F05;
  border:1px solid white;
}
#result-message {
  margin-top: 20px;
  font-size: 18px;
  font-weight: bold;
  text-align: center;
}
.note-text {
  margin-top: 30px;
  font-size: 14px;
  text-align: center;
  color: #555;
}
.calc-author {
  margin-top: 20px;
  font-size: 13px;
  color: #888;
  text-align: center;
}
@media (max-width: 600px) {
  .inp-vals {
    flex-direction: column;
  }
}