* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: system-ui;
}

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

body::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../img/glasslogin/01.jpg');
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
}

body::after
{
  content: '';
  position: absolute;
  inset: 0;
  background: url('../img/glasslogin/02.jpg');
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: .5s;

}

body.signup::after
{
  opacity: 1;

}

.container {
  position: relative;
  width: 350px;
  height: 340px;
  border-radius: 15px;
  box-shadow: 0 5px 25px rgba(0,0,0, 0.25);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  transition: 0.5s;
  overflow: hidden;
}

body.signup .container
{
  height: 440px;
}

.container::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: repeating-conic-gradient(from var(--a), #45f3ff 0%, #45f3ff 10%, transparent 10%, transparent 80%,#45f3ff 100%);
  border-radius: 20px;
  animation: animate 2s linear infinite;
}

body.signup .container::before {
  filter: hue-rotate(140deg);
}
@property --a
{
  syntax: "<angle>";
  inherits: false;
  initial-value: 0deg;
}
@keyframes animate {
  0% {
    --a: 0deg;
  }
  100%
  {
    --a: 360deg;
  }
}

.container span {
  position: absolute;
  inset: 5px;
  overflow: hidden;
  border-radius: 15px;
}

.container span::before {
  content: '';
  position: absolute;
  inset: 5px;
  background: url('../img/glasslogin/01.jpg');
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  filter: blur(10px);
}

.container span::after {
  content: '';
  position: absolute;
  inset: 5px;
  background: url('../img/glasslogin/01.jpg');
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  filter: blur(15px);
}

body.signup .container span::before,
body.signup .container span::after {
  background: url('../img/glasslogin/02.jpg');
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  filter: blur(15px);
}

form
{
  position: absolute;
  left: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  width: 100%;
  gap: 15px;
  transition: .5s;
}

form#signupform {
  left: 100%;
}
body.signup form#signinform
{
  left: -100%;
}

body.signup form#signupform {
  left: 0;
}

form h2 {
  position: relative;
  color: #fff;
  font-size: 1.5em;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 10px;
}

form .inputBox {
  position: relative;
  width: 70%;
  display: flex;
  justify-content: space-between;
}

form .inputBox a {
  color: #fff;
  text-decoration: none;
  font-size: 0.85em;
}

form .inputBox a:nth-child(2) {
  text-decoration: underline;
}

form .inputBox input {
  width: 100%;
  outline: none;
  border: 1px solid rgba(255,255,255, 0.25);
  background: rgba(0,0,0, 0.15);
  padding: 6px 15px;
  border-radius: 4px;
  font-size: 0.85em;
  color: #fff;
}

form .inputBox input::placeholder {
  color: rgba(255,255,255, .5);
}

form .inputBox input[type="submit"] {
  background: #2196f3;
  font-weight: 500;
  cursor: pointer;
}

form#signupform .inputBox input[type="submit"] {
  background: #f4242f;
}
form#signupform b {
  font-weight: 500;
  color: #ffeb3b;
  text-decoration: underline;

}