.app-shell-tools { display: flex; justify-content: flex-end; align-items: center; flex-wrap: wrap; gap: 8px; padding: 0 0 12px; }
.app-shell-tools[hidden] { display: none; }
.app-shell-button { min-height: 38px; border: 1px solid var(--line, #d6d7cb); border-radius: 7px; padding: 7px 12px; }
.app-shell-button:focus-visible { outline: 2px solid var(--green, #315b50); outline-offset: 3px; }
.app-shell-status { width: 100%; margin: 0; font-size: 11px; line-height: 1.7; color: var(--ink, #15171b); text-align: right; }
.app-install-dialog h2 { margin: 12px 0; font-size: 23px; font-weight: 500; letter-spacing: 1px; }
.app-install-intro, .app-install-note { font-size: 12px; line-height: 1.9; color: #707b70; }
.app-install-device { margin: 20px 0 9px; font-size: 12px; font-weight: 600; }
.app-install-steps { padding-left: 22px; margin: 0 0 18px; }
.app-install-steps li { padding-left: 3px; margin: 11px 0; font-size: 12px; line-height: 1.8; }
.app-install-dialog .app-shell-status { text-align: left; margin-bottom: 12px; }
.app-install-dialog > button { width: 100%; margin-top: 8px; }
@media (max-width: 600px) {
  .app-shell-tools { gap: 6px; padding-bottom: 9px; }
  .app-shell-button { font-size: 10px; min-height: 36px; padding: 7px 9px; }
}
@media (display-mode: standalone) { #app-install { display: none; } }

@media (orientation: landscape) and (min-width: 640px) and (max-width: 1000px) and (max-height: 600px) {
  .shell:not(.lobby-shell) > .app-shell-tools { position: absolute; top: max(4px, env(safe-area-inset-top)); left: calc(max(12px, env(safe-area-inset-left)) + 80px); right: auto; padding: 0; }
}
@media (orientation: landscape) and (min-width: 640px) and (max-width: 1000px) and (max-height: 600px) {
  .app-shell-tools { min-height: 22px; padding: 0; flex-shrink: 0; gap: 6px; }
  .app-shell-tools .app-shell-button,
  .shell:not(.lobby-shell) .app-shell-tools .app-shell-button { min-height: 22px; padding: 3px 7px; font-size: 9px; line-height: 1.2; }
  .app-shell-status { font-size: 9px; line-height: 1.4; }
}