body, input, textarea, button {
  font-family: 'Vazir', sans-serif;
}
body {
  direction: rtl;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background: linear-gradient(to right, #ffe0e9, #e0eaff);
}
.container {
  background: white;
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  width: 300px;
  text-align: center;
}
input {
  padding: 0.5rem;
  border: 2px solid #ccc;
  border-radius: 0.5rem;
  width: 100%;
  box-sizing: border-box;
  font-size: 1rem;
  transition: box-shadow 0.3s, border-color 0.3s;
}
input.invalid {
  border-color: red;
  box-shadow: 0 0 5px red;
}
.bank-name {
  margin-top: 1rem;
  font-size: 1.1rem;
  font-weight: bold;
}