@media (max-width: 760px) {
  .explorer {
    --header-height: calc(64px + env(safe-area-inset-top));
    position: fixed;
    top: var(--mobile-viewport-top, 0px);
    width: 100%;
    height: var(--mobile-viewport-height, 100dvh);
  }
  .explorer .topbar {
    display: flex;
    padding: calc(8px + env(safe-area-inset-top)) 16px 8px;
    gap: 12px;
  }
  .explorer .brand { max-width: calc(100% - 56px); align-self: center; }
  .explorer .brand h1 { font-size: 20px; }
  .explorer .brand p { font-size: 9px; letter-spacing: 1.2px; max-width: calc(100vw - 115px); }
  .explorer.conversation-first #world,
  .explorer.conversation-first .vignette { bottom: 0; }
  .explorer.conversation-first.debug-open #world,
  .explorer.conversation-first.debug-open .vignette { bottom: 0; }
  .explorer.conversation-first:not(.debug-open) .loading {
    top: calc(var(--header-height) + (100% - var(--header-height)) / 2);
    max-height: calc(100% - var(--header-height) - 40px);
    overflow-y: auto; padding: 18px; background: #102125;
  }
  .explorer .companion {
    top: auto; left: 8px; right: 8px; bottom: calc(48px + env(safe-area-inset-bottom));
    width: auto; max-height: min(70%, calc(100% - var(--header-height) - 64px - env(safe-area-inset-bottom)));
    border-radius: 20px; box-shadow: 0 -6px 28px #0002;
  }
  .explorer .companion-heading { min-height: 62px; padding: 8px 10px 8px 14px; }
  .explorer .companion-heading strong { font-size: 13px; }
  .explorer .companion-body { padding: 14px; }
  .explorer .command-intro { font-size: 27px; margin: 0 0 8px; }
  .explorer .chat-eyebrow { display: none; }
  .explorer .command-hint { font-size: 12px; margin-bottom: 12px; }
  .explorer .command-examples { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
  .explorer .command-examples button { flex-direction: column; align-items: flex-start; gap: 8px; padding: 9px; font-size: 11px; min-height: 74px; }
  .explorer .command-examples small { display: none; }
  .explorer .companion-composer { padding: 0 10px 10px; }
  .explorer .composer-hint { visibility: hidden; }
  .explorer .companion.has-conversation .companion-body { height: 360px; }
  .explorer .companion .voice-transcript { max-height: none; }
  .explorer .chat-bubble { font-size: 14px; }
  .explorer.compact-viewport .companion { max-height: calc(100% - var(--header-height) - 64px - env(safe-area-inset-bottom)); }
  .explorer.compact-viewport .companion-heading { min-height: 54px; padding-top: 4px; padding-bottom: 4px; }
  .explorer.compact-viewport .companion-body { padding-top: 6px; padding-bottom: 6px; }
  .explorer.compact-viewport .chat-form textarea { max-height: 72px; }
  .explorer.compact-viewport .command-status { max-height: 44px; padding-top: 4px; padding-bottom: 4px; }
  .explorer.compact-viewport #voice-error { max-height: 40px; overflow-y: auto; }
  .explorer .scout-panel { max-height: calc(100% - var(--header-height) - 48px); }
  .explorer .scout-scroll { max-height: none; }
}
@media (max-height: 500px) {
  .voice-caption span { -webkit-line-clamp: 2; }
  .voice-caption { padding: 6px 12px; }
  .voice-caption.user { display: none; }
}