.call-wave {
  grid-column: 1 / -1;
  margin: 4px 0 -4px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* iPhone / kciuk: dolne menu, jedna kolumna, duże Dzwonię / Wynik */
@media (max-width: 820px) {
  html {
    -webkit-text-size-adjust: 100%;
  }
  body {
    padding-bottom: env(safe-area-inset-bottom);
  }
  .app-shell {
    grid-template-columns: 1fr;
    min-height: 100dvh;
  }
  .sidebar {
    position: fixed;
    z-index: 40;
    left: 0;
    right: 0;
    bottom: 0;
    top: auto;
    height: auto;
    padding: 6px 8px calc(8px + env(safe-area-inset-bottom));
    flex-direction: row;
    align-items: stretch;
    gap: 0;
    background: #12332c;
    box-shadow: 0 -8px 24px rgba(18, 51, 44, .18);
  }
  .sidebar-brand,
  .sidebar-caption,
  .sidebar-bottom {
    display: none;
  }
  .nav {
    display: flex;
    width: 100%;
    gap: 0;
    overflow: visible;
    margin: 0;
  }
  .nav-link {
    flex: 1;
    min-height: 52px;
    width: auto;
    padding: 8px 4px 6px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2px;
    font-size: 10px;
    letter-spacing: .02em;
    white-space: nowrap;
    border-radius: 12px;
  }
  .nav-link span {
    display: block;
    font-size: 18px;
    width: auto;
  }
  .nav-link b {
    margin: 0;
    min-width: 0;
    padding: 0 5px;
    font-size: 10px;
  }
  .workspace {
    padding: 14px 14px calc(88px + env(safe-area-inset-bottom));
  }
  .topbar {
    margin-bottom: 14px;
    align-items: flex-end;
  }
  .topbar h1 {
    font-size: 24px;
  }
  .send-counter {
    min-width: 0;
    padding: 8px 10px;
  }
  .section-head {
    flex-wrap: wrap;
    margin-bottom: 12px;
  }
  .section-head h2 {
    font-size: 22px;
  }
  .section-head-actions .button {
    min-height: 44px;
  }
  #view-calls .who-called {
    margin-bottom: 12px;
  }
  #view-calls .who-called input {
    min-height: 48px;
    font-size: 16px;
  }
  .call-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 12px;
  }
  .call-tabs .tab {
    min-height: 40px;
    padding: 8px 14px;
    flex: 0 0 auto;
  }
  .call-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .call-wave {
    margin: 8px 0 0;
    color: var(--green);
    font-size: 12px;
    letter-spacing: .08em;
    text-transform: uppercase;
  }
  .call-card {
    padding: 16px 16px 14px;
  }
  .call-card.is-current {
    border-color: var(--green);
    box-shadow: 0 10px 28px rgba(22, 94, 75, .14);
  }
  .call-card .call-phone {
    font-size: 26px;
    min-height: 36px;
  }
  .call-card .detail-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 16px;
  }
  .call-card .detail-actions .button {
    min-height: 52px;
    font-size: 16px;
    width: 100%;
  }
  .call-dialog {
    width: min(100vw - 16px, 520px);
    max-height: calc(100dvh - 24px);
    margin: auto;
    padding-bottom: calc(12px + env(safe-area-inset-bottom));
  }
  .call-dialog input,
  .call-dialog select,
  .call-dialog textarea {
    font-size: 16px;
    min-height: 44px;
  }
  .call-dialog .detail-actions .button {
    min-height: 48px;
    flex: 1;
  }
  .toast {
    right: 12px;
    left: 12px;
    bottom: calc(78px + env(safe-area-inset-bottom));
    max-width: none;
  }
  .queue-layout,
  .research-grid,
  .more-grid,
  .launch-grid {
    grid-template-columns: 1fr;
  }
}

@media (display-mode: standalone) {
  .workspace {
    padding-top: max(14px, env(safe-area-inset-top));
  }
}