.install-page {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 24px 24px 40px;
}

.install-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, .55fr);
  gap: 44px;
  align-items: center;
  min-height: min(520px, calc(100vh - 96px));
  padding: clamp(30px, 6vh, 64px) 0;
  border-bottom: 1px solid var(--border-card);
}

.install-brand-line {
  display: flex;
  align-items: center;
  gap: 18px;
}

.install-app-icon {
  width: 68px;
  height: 68px;
  border: 1px solid var(--border-card);
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 8px 24px rgba(17, 24, 39, .12);
}

.install-eyebrow {
  margin-bottom: 5px;
  color: var(--accent);
  font-size: .72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.install-hero h1 {
  margin: 0;
  color: var(--text-main);
  font-size: 2.25rem;
  font-weight: 800;
}

.install-lead {
  max-width: 640px;
  margin: 24px 0 0;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

.install-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.install-actions .btn {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 8px;
  border-radius: 7px;
  font-weight: 750;
}

.install-feedback {
  min-height: 22px;
  margin: 12px 0 0;
  color: var(--text-muted);
  font-size: .78rem;
}

.install-device-panel {
  display: grid;
  align-self: center;
  border-top: 1px solid var(--border-card);
  border-bottom: 1px solid var(--border-card);
}

.install-device-row {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 17px 2px;
  border-bottom: 1px solid var(--border-card);
}

.install-device-row:last-child {
  border-bottom: 0;
}

.install-device-icon {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--border-card);
  border-radius: 7px;
  color: var(--accent);
}

.install-device-row small,
.install-device-row strong {
  display: block;
}

.install-device-row small {
  color: var(--text-muted);
  font-size: .67rem;
}

.install-device-row strong {
  margin-top: 2px;
  color: var(--text-main);
  font-size: .87rem;
}

.install-readiness {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-bottom: 1px solid var(--border-card);
}

.install-readiness > div {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  padding: 22px 18px;
  border-right: 1px solid var(--border-card);
}

.install-readiness > div:first-child {
  padding-left: 0;
}

.install-readiness > div:last-child {
  padding-right: 0;
  border-right: 0;
}

.install-readiness i {
  color: #14815a;
  font-size: 1.1rem;
}

.install-readiness strong,
.install-readiness small {
  display: block;
}

.install-readiness strong {
  color: var(--text-main);
  font-size: .8rem;
}

.install-readiness small {
  margin-top: 3px;
  color: var(--text-muted);
  font-size: .68rem;
  line-height: 1.45;
}

.install-platform-section {
  padding: 42px 0 32px;
}

.install-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
}

.install-section-head h2 {
  margin: 0;
  color: var(--text-main);
  font-size: 1.35rem;
}

.install-browser-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text-muted);
  font-size: .73rem;
  font-weight: 700;
}

.install-platform-tabs {
  display: grid;
  grid-template-columns: repeat(5, minmax(110px, 1fr));
  gap: 4px;
  margin-top: 22px;
  padding: 4px;
  border: 1px solid var(--border-card);
  border-radius: 8px;
  background: var(--bg-table-stripe);
  overflow-x: auto;
}

.install-platform-tabs button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 8px 10px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
  font-size: .75rem;
  font-weight: 700;
  white-space: nowrap;
}

.install-platform-tabs button[aria-selected="true"] {
  background: var(--bg-card);
  color: var(--accent);
  box-shadow: 0 1px 4px rgba(17, 24, 39, .1);
}

.install-guide {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 18px;
  margin-top: 18px;
  padding: 24px 0;
  outline: none;
}

.install-guide:focus-visible {
  box-shadow: inset 3px 0 0 var(--accent);
}

.install-guide-icon {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border: 1px solid var(--border-card);
  border-radius: 8px;
  color: var(--accent);
  font-size: 1.3rem;
}

.install-guide h3 {
  margin: 0 0 12px;
  color: var(--text-main);
  font-size: 1rem;
}

.install-guide ol {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 21px;
  color: var(--text-main);
  font-size: .8rem;
  line-height: 1.5;
}

.install-guide p {
  margin: 13px 0 0;
  color: var(--text-muted);
  font-size: .73rem;
}

.install-boundary {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 18px 0;
  border-top: 1px solid var(--border-card);
  color: var(--text-muted);
}

.install-boundary i {
  color: var(--accent);
}

.install-boundary p {
  margin: 0;
  font-size: .75rem;
  line-height: 1.55;
}

.install-boundary strong {
  color: var(--text-main);
}

.install-notification-section {
  padding: 36px 0;
  border-top: 1px solid var(--border-card);
}

.install-notification-heading-icon {
  color: var(--accent);
  font-size: 1.25rem;
}

.install-notification-layout {
  margin-top: 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .8fr);
  gap: 28px;
  padding: 22px;
  border: 1px solid var(--border-card);
  border-radius: 8px;
  background: var(--bg-card);
}

.install-notification-copy > strong {
  color: var(--text-main);
  font-size: .9rem;
}

.install-notification-copy > p {
  max-width: 520px;
  margin: 7px 0 0;
  color: var(--text-muted);
  font-size: .75rem;
  line-height: 1.55;
}

.install-notification-actions {
  margin-top: 17px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.install-notification-status[data-state="success"] { color: var(--success); }
.install-notification-status[data-state="warning"] { color: var(--danger); }
.install-notification-status[data-state="info"] { color: var(--accent); }

.install-notification-preferences {
  display: grid;
  align-content: start;
  border: 1px solid var(--border-card);
  border-radius: 7px;
  overflow: hidden;
}

.install-preference-heading {
  padding: 9px 12px;
  background: var(--bg-table-stripe);
  color: var(--text-muted);
  font-size: .64rem;
  font-weight: 800;
  text-transform: uppercase;
}

.install-notification-preferences label {
  min-height: 52px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--border-card);
}

.install-notification-preferences span,
.install-notification-preferences strong,
.install-notification-preferences small { display: block; }
.install-notification-preferences strong { color: var(--text-main); font-size: .75rem; }
.install-notification-preferences small { margin-top: 2px; color: var(--text-muted); font-size: .65rem; }
.install-notification-preferences input { width: 17px; height: 17px; accent-color: var(--accent); }

@media (max-width: 900px) {
  .install-hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
    min-height: auto;
  }

  .install-device-panel {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .install-device-row {
    grid-template-columns: 34px minmax(0, 1fr);
    padding: 14px 10px;
    border-right: 1px solid var(--border-card);
    border-bottom: 0;
  }

  .install-device-row:last-child {
    border-right: 0;
  }

  .install-notification-layout {
    grid-template-columns: 1fr;
  }

  .install-device-icon {
    width: 32px;
    height: 32px;
  }

  .install-platform-tabs {
    grid-template-columns: repeat(5, minmax(120px, 1fr));
  }
}

@media (max-width: 680px) {
  .install-page {
    padding: 12px 14px 96px;
  }

  .install-hero {
    gap: 24px;
    padding: 28px 0 24px;
  }

  .install-brand-line {
    gap: 13px;
  }

  .install-app-icon {
    width: 56px;
    height: 56px;
  }

  .install-hero h1 {
    font-size: 1.75rem;
  }

  .install-lead {
    margin-top: 18px;
    font-size: .9rem;
  }

  .install-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    margin-top: 22px;
  }

  .install-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .install-device-panel,
  .install-readiness {
    grid-template-columns: minmax(0, 1fr);
  }

  .install-device-row {
    border-right: 0;
    border-bottom: 1px solid var(--border-card);
  }

  .install-readiness > div,
  .install-readiness > div:first-child,
  .install-readiness > div:last-child {
    padding: 15px 0;
    border-right: 0;
    border-bottom: 1px solid var(--border-card);
  }

  .install-readiness > div:last-child {
    border-bottom: 0;
  }

  .install-platform-section {
    padding-top: 30px;
  }

  .install-section-head {
    align-items: flex-start;
  }

  .install-browser-badge {
    display: none;
  }

  .install-platform-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-left: -2px;
    margin-right: -2px;
    overflow-x: visible;
  }

  .install-platform-tabs button {
    width: 100%;
    min-width: 0;
  }

  .install-guide {
    grid-template-columns: minmax(0, 1fr);
    padding-top: 18px;
  }
}