/* Authenticated app only; the public marketing navigation remains unchanged. */
@media(max-width:850px){
  .mobile-shortcuts{display:block;padding:10px 16px 6px;overflow:visible}
  .mobile-quick-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
  .mobile-quick-link,.mobile-more-toggle{display:flex;align-items:center;justify-content:center;gap:6px;min-width:0;min-height:46px;padding:9px 5px;border:1px solid var(--border);border-radius:13px;background:var(--surface);color:var(--muted);font-size:12px;font-weight:800;white-space:nowrap}
  .mobile-more-toggle{cursor:pointer;font:inherit;font-size:12px;font-weight:800}
  .mobile-quick-link svg,.mobile-more-toggle svg{width:17px;height:17px;flex-shrink:0}
  .mobile-quick-link.active{background:var(--primary-soft);color:var(--primary);border-color:color-mix(in srgb,var(--primary) 32%,var(--border))}
  .mobile-quick-link:focus-visible,.mobile-more-toggle:focus-visible,.mobile-more-sheet a:focus-visible,.mobile-more-sheet button:focus-visible{outline:3px solid var(--primary);outline-offset:2px}
  .app-top{min-height:65px;padding:11px 16px;gap:8px}
  .app-top>.row{min-width:0;gap:9px}
  .app-top-title{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .app-top-actions{flex-shrink:0;gap:8px}
  .app-top-actions>.site-language-toggle,.app-top-actions>[data-action="theme"]{display:none}
  .app-top-actions .btn-round{width:40px;height:40px;min-height:40px;padding:0}
  .app-top-actions .avatar-sm{width:38px;height:38px}
  .mobile-nav{height:calc(65px + env(safe-area-inset-bottom,0px));padding:6px 8px calc(6px + env(safe-area-inset-bottom,0px));gap:3px}
  .mobile-nav>a:not(.mobile-add){flex:1 1 0;min-width:0;min-height:46px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;text-align:center;font-size:11px;line-height:1.2}
  .mobile-nav a svg{height:22px;width:22px}
  .mobile-nav .mobile-add{flex:0 0 48px;height:48px;width:48px;transform:translateY(-8px)}
  .main-content{padding-bottom:calc(105px + env(safe-area-inset-bottom,0px))}
  .mobile-more-backdrop:not([hidden]){position:fixed;inset:0;z-index:70;background:rgba(2,9,24,.68);backdrop-filter:blur(3px)}
  .mobile-more-sheet:not([hidden]){display:flex;flex-direction:column;position:fixed;z-index:71;inset-inline:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));max-height:min(78dvh,650px);overflow-y:auto;overscroll-behavior:contain;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:21px;box-shadow:0 22px 70px rgba(0,0,0,.45);padding:16px}
  .mobile-more-head{position:sticky;top:-16px;z-index:2;background:var(--surface);display:flex;align-items:center;justify-content:space-between;padding:0 0 12px;gap:12px;border-bottom:1px solid var(--border);font-size:16px}
  .mobile-more-head button{display:grid;place-items:center;border:1px solid var(--border);background:var(--surface2);color:var(--text);border-radius:12px;min-width:44px;min-height:44px}
  .mobile-more-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:14px 0}
  .mobile-more-link{display:flex;align-items:center;gap:9px;min-width:0;min-height:48px;padding:10px;background:var(--surface2);border:1px solid var(--border);border-radius:12px;font-size:13px;font-weight:800;color:var(--text)}
  .mobile-more-link svg{width:19px;height:19px;flex-shrink:0}
  .mobile-more-link span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .mobile-more-link.active{color:var(--primary);border-color:var(--primary)}
  .mobile-more-settings{border-top:1px solid var(--border);padding-top:13px;display:flex;align-items:center;justify-content:space-between;gap:14px;font-weight:800;font-size:13px}
  .mobile-more-settings-actions{display:flex;gap:10px;align-items:center}
  .mobile-more-settings-actions .btn-round{min-width:44px;min-height:44px;width:44px;height:44px;padding:0}
  body.trippbo-mobile-more-open{overflow:hidden}
}
@media(max-width:570px){
  .app-top{min-height:61px;padding:9px 12px}
  .app-top-title{font-size:clamp(13px,3.9vw,16px)}
  .app-top-actions{gap:6px}
  .app-top-actions .btn-round{height:37px;width:37px;min-height:37px}
  .app-top-actions .avatar-sm{height:36px;width:36px}
  .mobile-shortcuts{padding:8px 10px 4px}
  .mobile-quick-links{gap:6px}
  .mobile-quick-link,.mobile-more-toggle{min-height:44px;gap:4px;font-size:11px}
  .mobile-quick-link svg,.mobile-more-toggle svg{width:15px;height:15px}
}
@media(max-width:360px){
  .app-top>.row{gap:5px}
  .app-top-actions{gap:4px}
  .mobile-quick-links{gap:5px}
  .mobile-quick-link,.mobile-more-toggle{font-size:10px;padding-inline:2px}
  .mobile-more-links{grid-template-columns:1fr}
}
@media(min-width:851px){.mobile-more-backdrop,.mobile-more-sheet{display:none!important}}
@media(prefers-reduced-motion:reduce){.mobile-more-sheet,.mobile-more-backdrop{transition:none!important}}
@media(max-width:700px){#trippbo-ai-planner .ai-back,#trippbo-ai-planner .ai-lang{min-height:44px;display:inline-flex;align-items:center;justify-content:center}}