.install-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 18px;
  background:
    linear-gradient(rgba(6,32,62,.50), rgba(6,32,62,.50)),
    url('/static/tdm-login-background-v97.png') center/cover fixed no-repeat;
}

.install-card {
  width: min(100%, 560px);
  background: rgba(255,255,255,.98);
  border-radius: 22px;
  padding: 32px;
  box-shadow: 0 24px 70px rgba(2,25,54,.35);
  text-align: center;
}

.install-logo {
  display: block;
  width: 305px;
  max-width: 85%;
  height: auto;
  margin: 0 auto 16px;
}

.install-card h1 {
  margin: 0 0 8px;
  color: #173a6b;
  font-size: 2rem;
}

.install-intro {
  margin: 0 auto 26px;
  color: #66758a;
  line-height: 1.55;
}

.install-device {
  text-align: left;
  border: 1px solid #dbe3ec;
  border-radius: 14px;
  padding: 18px;
  margin-top: 16px;
  background: #fff;
}

.install-device h2 {
  margin: 0 0 10px;
  color: #173a6b;
  font-size: 1.05rem;
}

.install-device p,
.install-device ol {
  color: #526176;
  line-height: 1.55;
}

.install-device ol {
  padding-left: 22px;
  margin-bottom: 0;
}

.install-button {
  width: 100%;
  border: 0;
  border-radius: 10px;
  padding: 14px 18px;
  margin-top: 18px;
  background: #173a6b;
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
}

.install-button[hidden],
.install-device[hidden],
.install-status[hidden] {
  display: none !important;
}

.install-status {
  margin-top: 16px;
  color: #315a46;
  font-weight: 700;
}

.install-back {
  display: inline-block;
  margin-top: 24px;
  color: #1264c4;
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 600px) {
  .install-card {
    padding: 26px 20px;
  }

  .install-logo {
    width: 250px;
  }
}

.install-qr {
  text-align: center;
}

.install-qr-image {
  display: block;
  width: 190px;
  height: 190px;
  margin: 16px auto 10px;
  object-fit: contain;
}

.install-qr-caption {
  margin: 0;
  font-size: .85rem;
  color: #7a8797;
  word-break: break-word;
}