.install-shell {
  max-width: 820px;
  margin: 0 auto;
  padding: 32px 24px 72px;
}
.install-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 48px;
}
.install-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 25px;
  font-weight: 800;
  color: var(--green, #173d32);
}
.install-brand img {
  width: 38px;
  height: 38px;
}
.install-shell h1 {
  font-size: clamp(32px, 6vw, 46px);
  line-height: 1.15;
}
.install-shell .install-lead {
  font-size: 18px;
  line-height: 1.6;
  max-width: 600px;
}
.install-shell .panel {
  margin-top: 24px;
}
.install-shell .panel h2 {
  margin-top: 0;
}
.install-shell details {
  border-top: 1px solid #dddeda;
  padding: 16px 0;
}
.install-shell summary,
.offline-panel summary {
  cursor: pointer;
  font-weight: 700;
  min-height: 44px;
  padding: 10px 0;
}
.install-shell li {
  margin: 12px 0;
  line-height: 1.6;
}
.install-trip {
  padding: 18px 0;
  border-top: 1px solid #dddeda;
}
.install-trip p {
  margin: 6px 0 14px;
}
.install-trip .actions {
  gap: 10px;
}
.install-note {
  color: #59675e;
  font-size: 14px;
  line-height: 1.6;
}
.offline-panel {
  margin: 20px 0;
  padding: 20px;
  border: 1px solid #c9d5cc;
  border-radius: 16px;
  background: #f1f5ec;
  overflow-wrap: anywhere;
}
.offline-panel h2 {
  font-size: 18px;
  margin: 0 0 10px;
}
.offline-panel p {
  font-size: 14px;
  line-height: 1.6;
}
.offline-panel .offline-consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  margin: 18px 0;
  line-height: 1.5;
}
.offline-panel input {
  margin-top: 3px;
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  accent-color: #173d32;
}
.offline-panel button,
.install-shell .btn {
  min-height: 44px;
  white-space: normal;
}
.offline-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
}
.offline-banner {
  padding: 12px 18px;
  background: #fff1cc;
  border: 1px solid #d8be75;
  border-radius: 12px;
  margin-bottom: 20px;
  line-height: 1.5;
}
@media (max-width: 560px) {
  .install-shell {
    padding: 24px 18px 48px;
  }
  .install-header {
    margin-bottom: 32px;
  }
  .install-header .btn {
    font-size: 12px;
    padding: 10px;
  }
  .offline-panel {
    padding: 18px;
  }
}
@media print {
  .offline-panel,
  .offline-banner {
    display: none;
  }
}