.brand { display: inline-flex; align-items: center; gap: 9px; }
.brand img { display: block; flex: 0 0 auto; border-radius: 7px; }
.install-promo { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(230px, .8fr); align-items: center; gap: 24px; margin-top: 18px; padding: 22px 20px; border: 1px solid #d8d8d8; background: #fff; }
.install-promo-copy { display: flex; align-items: center; gap: 18px; }
.install-promo-copy > div { min-width: 0; }
.install-promo .brand-mark { display: block; flex: 0 0 auto; border-radius: 12px; }
.install-kicker { margin: 0 0 5px; color: #1a73e8; font-size: .82rem; font-weight: 700; text-transform: uppercase; }
.install-promo h2 { margin: 0 0 7px; color: #303a41; font-size: 1.35rem; line-height: 1.25; }
.install-promo-copy p:not(.install-kicker) { margin: 0 0 12px; color: #5f6a70; line-height: 1.5; }
.install-link, .install-action { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; border: 1px solid #1355c8; border-radius: 5px; background: #1769e8; color: #fff; cursor: pointer; font: inherit; font-weight: 700; padding: 10px 16px; text-decoration: none; }
.install-link:hover, .install-action:hover { background: #0d55c4; }
.install-promo-qr { display: grid; grid-template-columns: 112px minmax(0, 1fr); align-items: center; gap: 4px 14px; padding-left: 22px; border-left: 1px solid #e0e5e8; }
.install-promo-qr img { grid-row: span 2; display: block; width: 112px; height: 112px; }
.install-promo-qr p { margin: 0 0 5px; color: #47545d; font-size: .88rem; line-height: 1.45; }
.install-promo-qr a { color: #175da8; font-size: .86rem; overflow-wrap: anywhere; }
.app-header-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.language-control select { min-height: 36px; min-width: 116px; border: 1px solid #aeb8c0; border-radius: 4px; background: #fff; color: #303a41; font: inherit; font-size: .84rem; padding: 6px 8px; }
.app-back-link { color: #f0f0f0; text-decoration: none; }
.app-back-link:hover { text-decoration: underline; }
.install-page { padding-top: 24px; }
.install-main { border: 1px solid #d8d8d8; background: #fff; }
.install-hero { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(250px, .65fr); gap: 32px; padding: 30px; border-bottom: 1px solid #e3e7e9; }
.install-hero-copy { max-width: 620px; }
.install-hero-brand { display: flex; align-items: center; gap: 16px; margin-bottom: 12px; }
.install-hero-icon { display: block; flex: 0 0 auto; width: 88px; height: 88px; border-radius: 18px; }
.install-hero h1 { margin: 0 0 10px; color: #25313a; font-size: 2.25rem; line-height: 1.16; }
.install-hero-brand h1 { margin-bottom: 0; }
.install-lede { max-width: 560px; margin: 0 0 20px; color: #59676f; font-size: 1.05rem; line-height: 1.55; }
.install-action { min-width: 220px; font-size: 1rem; }
.install-action:disabled { cursor: default; opacity: .65; }
.install-status { min-height: 24px; margin: 11px 0 4px; color: #53616a; font-size: .9rem; line-height: 1.45; }
.open-site-link { display: inline-block; margin-top: 4px; color: #155eb2; font-size: .92rem; }
.installed-notice { margin: 12px 0 0; color: #24613d; font-weight: 650; }
.install-qr-panel { display: grid; justify-items: center; align-content: center; gap: 8px; padding: 18px; border-left: 1px solid #e3e7e9; text-align: center; }
.install-qr-panel h2 { margin: 0; color: #303a41; font-size: 1rem; }
.install-qr { display: block; width: 192px; height: 192px; image-rendering: pixelated; }
.install-qr-panel p { max-width: 240px; margin: 0; color: #53616a; font-size: .85rem; line-height: 1.45; }
.install-qr-panel a { color: #155eb2; font-size: .84rem; overflow-wrap: anywhere; }
.device-guides { padding: 24px 30px 28px; }
.device-guides > h2 { margin: 0 0 5px; color: #303a41; font-size: 1.35rem; }
.guide-intro { max-width: 760px; margin: 0 0 20px; color: #59676f; line-height: 1.5; }
.guide-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 28px; }
.guide-section { min-width: 0; padding-top: 16px; border-top: 2px solid #d8e4f0; }
.guide-platform { margin: 0 0 5px; color: #1769a9; font-size: .78rem; font-weight: 700; text-transform: uppercase; }
.guide-section h3 { margin: 0 0 10px; color: #303a41; font-size: 1.08rem; }
.guide-section ol { margin: 0; padding-left: 22px; color: #46545d; line-height: 1.65; }
.guide-section li { padding-left: 2px; }
.guide-note, .guide-section > p:last-child { margin: 10px 0 0; color: #63717a; font-size: .88rem; line-height: 1.5; }
.share-symbol { display: inline-block; color: #1769e8; font-size: 1rem; font-weight: 700; }
.guide-fallback { grid-column: 1 / -1; }
.install-page .site-footer { display: flex; justify-content: center; gap: 10px; margin-top: 16px; color: #5e676d; font-size: .9rem; }
.install-page .site-footer a { color: inherit; }
[hidden] { display: none !important; }

:focus-visible { outline: 3px solid #f0a93b; outline-offset: 3px; }

@media (max-width: 820px) {
  .install-promo { grid-template-columns: 1fr; gap: 18px; }
  .install-promo-qr { grid-template-columns: 96px minmax(0, 1fr); padding: 16px 0 0; border-top: 1px solid #e0e5e8; border-left: 0; }
  .install-promo-qr img { width: 96px; height: 96px; }
  .install-hero { grid-template-columns: 1fr; gap: 22px; padding: 24px; }
  .install-qr-panel { grid-template-columns: 112px minmax(0, 1fr); justify-items: start; justify-content: start; padding: 18px 0 0; border-top: 1px solid #e3e7e9; border-left: 0; text-align: left; }
  .install-qr-panel h2, .install-qr-panel p, .install-qr-panel a { grid-column: 2; }
  .install-qr { grid-column: 1; grid-row: 1 / span 3; width: 112px; height: 112px; }
}

@media (max-width: 600px) {
  .install-promo { margin-top: 12px; padding: 16px; }
  .install-promo-copy { align-items: flex-start; gap: 12px; }
  .install-promo .brand-mark { width: 48px; height: 48px; border-radius: 9px; }
  .install-promo h2 { font-size: 1.12rem; }
  .install-promo-copy p:not(.install-kicker) { font-size: .9rem; }
  .install-promo-copy .install-link { width: 100%; }
  .install-promo-qr { display: none; }
  .install-page { padding: 16px 12px 24px; }
  .app-header-actions { gap: 8px; }
  .language-control select { min-width: 104px; max-width: 122px; font-size: .78rem; }
  .install-main { margin: 0 -2px; }
  .install-hero { gap: 18px; padding: 20px 16px; }
  .install-hero-brand { align-items: flex-start; gap: 12px; }
  .install-hero-icon { width: 56px; height: 56px; border-radius: 11px; }
  .install-hero-brand h1 { font-size: 1.55rem; }
  .install-lede { font-size: .96rem; }
  .install-action { width: 100%; }
  .install-qr-panel { grid-template-columns: 88px minmax(0, 1fr); gap: 7px 12px; }
  .install-qr { width: 88px; height: 88px; }
  .install-qr-panel p, .install-qr-panel a { font-size: .78rem; }
  .device-guides { padding: 20px 16px 24px; }
  .guide-grid { grid-template-columns: 1fr; gap: 16px; }
  .guide-fallback { grid-column: auto; }
  .install-page .site-footer { flex-wrap: wrap; }
}