.app-shell {
  min-height: 100dvh;
  padding-bottom: 88px;
}

.app-top {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 20px;
  background: color-mix(in srgb, var(--ink) 92%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--ink-line);
}

.app-top .wordmark-row {
  font-size: 22px;
}

.app-screen {
  display: none;
  padding: 28px 20px 40px;
  max-width: 520px;
  margin: 0 auto;
}

.app-screen.is-on {
  display: block;
}

.app-screen h1 {
  font-size: 36px;
  margin-bottom: 12px;
}

.app-status {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--copper);
  border: 1px solid var(--ink-line);
  padding: 6px 10px;
  margin-bottom: 18px;
}

.app-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  height: 72px;
  background: var(--ink-lift);
  border-top: 1px solid var(--ink-line);
  padding-bottom: env(safe-area-inset-bottom);
}

.app-nav button {
  background: none;
  border: 0;
  color: var(--dust);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
}

.app-nav button.is-on {
  color: var(--copper);
}

.app-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.app-list li {
  padding: 16px 0;
  border-top: 1px solid var(--ink-line);
  color: var(--sand);
}

.install-card {
  background: var(--ink-lift);
  border: 1px solid var(--ink-line);
  padding: 18px;
  margin-top: 24px;
}

.install-card p {
  margin: 0 0 8px;
  color: var(--sand);
  font-size: 15px;
}

.app-screen .form {
  max-width: none;
  margin-top: 8px;
}

.held {
  display: none;
  background: var(--ink-lift);
  border: 1px solid var(--copper);
  padding: 18px;
  color: var(--sand);
}

.form.is-success .held {
  display: block;
}