@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@100;200;300;400;500;600;700;800;900&family=Ubuntu:wght@300;400;500;700&display=swap");

:root {
  --text-color: #0a0b0b;
  --bg-color: #f0f8ff;
  --input-color: azure;
  --border-color: #a4a6a6;
  --btn-color: #0b7d4a;
  --alert-color: #d71919;
  --alert-bg-color: #f9c3c3;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins";
}

body {
  min-height: 100vh;
  height: 100%;
  background-image: url("../ASSETS/lo-fi.jfif");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

img {
  width: 200px;
  height: 200px;
}

/* Hide class for JS manipuling */
.hide {
  display: none;
}

#container {
  background-color: var(--bg-color);
  height: 300px;
  width: 500px;
  border-radius: 10px;
  padding: 20px;
  transition: 0.3s;
}

#container.active {
  height: 550px;
}

/* Header */
#qr_header {
  text-align: center;
}

#qr_header h1 {
  font-size: 1.8rem;
  margin-bottom: 10px;
}

#qr_header p {
  color: var(--text-color);
  font-size: 0.9rem;
}

/* Form */
#qr_form {
  margin: 20px 15px;
  text-align: center;
}

#alert {
  font-size: 1.2rem;
  margin: 10px 0;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--alert-color);
  background-color: var(--alert-bg-color);
  border-radius: 5px;
  border: 1px solid var(--alert-color);
}

#qr_form input,
#qr_form .btn {
  width: 100%;
  height: 55px;
  border: none;
  border-radius: 5px;
  font-size: 0.9rem;
}

#qr_form input {
  background-color: var(--input-color);
  border: 1px solid var(--border-color);
  padding: 10px 15px;
}

#qr_form button {
  background-color: var(--btn-color);
  color: #fff;
  font-size: 1.2rem;
  margin-top: 20px;
  cursor: pointer;
  opacity: 0.9;
  transition: 0.4s;
}

#qr_form button:hover {
  opacity: 1;
}

/* QRcode */
#qr_code {
  display: flex;
  opacity: 0;
  border: 1px solid var(--border-color);
  padding: 30px 0;
  margin: 20px 15px;
  display: flex;
  justify-content: center;
  border-radius: 5px;
  transition: 0.5s;
}

#container.active #qr_code {
  opacity: 1;
}

/* Tablet Screen */
@media (max-width: 780px) {
  #container {
    width: 500px;
    height: 350px;
  }

  #container.active {
    height: 600px;
  }

  #qr_header h1 {
    font-size: 2.5rem;
  }

  #qr_header p {
    font-size: 1.2rem;
  }
}

/* Mobile Screen */
@media (max-width: 450px) {
  body {
    padding-top: 50px;
    align-items: flex-start;
  }

  #container {
    width: 350px;
    height: 450px;
    margin: 0 20px;
  }

  #container.active {
    height: 650px;
  }
}