* {
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #042453;
}

.btn {
  padding: 14px 28px;
  border: none;
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  font-size: 16px;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  justify-content: center;
  align-items: center;
}

.modal-box {
  background: #fff;
  width: 300px;
  padding: 25px;
  border-radius: 12px;
  text-align: center;
  position: relative;
}

.close {
  position: absolute;
  right: 12px;
  top: 8px;
  font-size: 22px;
  cursor: pointer;
}

.otp-box {
  display: flex;
  justify-content: space-between;
  margin: 20px 0;
}

.otp-box input {
  width: 50px;
  height: 50px;
  font-size: 18px;
  text-align: center;
  border-radius: 6px;
  border: 1px solid #ccc;
}

.otp-box input:focus {
  outline: none;
  border-color: #4f46e5;
}

.msg {
  margin-top: 10px;
  font-size: 14px;
}