.app-submit-status[hidden] { display: none !important; }
.app-submit-status { position: fixed; inset: 0; z-index: 10000; display: grid; place-items: center; padding: 24px; background: rgba(15, 23, 42, .42); backdrop-filter: blur(3px); }
.app-submit-status__card { display: flex; align-items: center; gap: 12px; width: min(100%, 320px); min-height: 64px; padding: 14px 18px; border: 1px solid rgba(255, 255, 255, .7); border-radius: 16px; background: #fff; color: #2c3e50; box-shadow: 0 20px 55px rgba(15, 23, 42, .28); font-size: .95rem; font-weight: 600; line-height: 1.3; }
.app-submit-status__spinner { flex: 0 0 auto; width: 22px; height: 22px; border: 3px solid #dce7f5; border-top-color: #1a5fb4; border-radius: 50%; animation: app-submit-spin .75s linear infinite; }
.app-submit-status.is-error { inset: auto 12px calc(12px + env(safe-area-inset-bottom)); place-items: end center; padding: 0; background: transparent; backdrop-filter: none; pointer-events: none; }
.app-submit-status.is-error .app-submit-status__spinner { display: none; }
@keyframes app-submit-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .app-submit-status__spinner { animation-duration: 1.5s; } }
@media (max-width: 720px), (max-width: 900px) and (max-height: 500px) {
  .theme-toggle { display: none !important; }
  .app-container { align-items: flex-start !important; padding: calc(10px + env(safe-area-inset-top)) 10px 20px !important; }
  .main-content { max-width: 460px !important; padding: 16px !important; border-radius: 14px !important; }
  h1 { margin: 0 0 4px !important; font-size: clamp(1.35rem, 6vw, 1.65rem) !important; line-height: 1.15 !important; }
  .tagline { margin: 0 auto 14px !important; font-size: .85rem !important; line-height: 1.35 !important; }
  .tab-toggle { margin-bottom: 14px !important; }
  .tab-btn { min-height: 48px; padding: .65rem .4rem !important; }
  .form-grid { gap: 14px !important; }
  .form-row { gap: 12px !important; margin-bottom: 0 !important; }
  .spacer { height: 0 !important; }
}