html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
  background: #f5f7fb;
  color: #152238;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}

.qr-shell {
  display: grid;
  min-height: calc(100vh - 170px);
  place-items: center;
  padding: 3rem 0;
}

.qr-panel {
  width: min(100%, 760px);
  padding: 2rem;
  background: #ffffff;
  border: 1px solid #d9e1ee;
  border-radius: 8px;
  box-shadow: 0 20px 55px rgba(21, 34, 56, 0.09);
}

.qr-heading {
  margin-bottom: 1.5rem;
}

.qr-heading h1 {
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.qr-heading p {
  margin-bottom: 0;
  color: #5c6b80;
}

.qr-kicker {
  color: #0d6efd !important;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.qr-form .input-group {
  align-items: stretch;
}

.qr-preview {
  width: min(100%, 320px);
  aspect-ratio: 1;
  image-rendering: pixelated;
}

.download-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.download-actions form {
  margin: 0;
}

@media (max-width: 575.98px) {
  .qr-panel {
    padding: 1.25rem;
  }

  .qr-form .input-group {
    display: grid;
    gap: 0.75rem;
  }

  .qr-form .btn,
  .download-actions .btn {
    width: 100%;
  }

  .download-actions,
  .download-actions form {
    width: 100%;
  }
}