/* ── Responsive / Mobile ──────────────────────────────────────────────────── */

/* Tablet: ≤ 900px */
@media (max-width: 900px) {
  body { overflow: auto; }
  .view { height: auto; min-height: 100vh; }
  #app { height: auto; min-height: 100vh; }

  /* Dashboard: stack sidebar on top */
  #view-dashboard { flex-direction: column; }

  .sidebar {
    width: 100%;
    min-width: unset;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    padding: 12px 16px;
    gap: 12px;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .sidebar-brand { margin-bottom: 0; }
  .sidebar-nav { flex-direction: row; flex: 1; gap: 4px; flex-wrap: wrap; }
  .sidebar-user { margin-top: 0; border-top: none; padding: 0; }

  .main-content { padding: 20px; }

  /* Campaign form: stack cards */
  .campaign-form-grid {
    grid-template-columns: 1fr;
  }

  /* Section header: stack actions below title */
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .section-header .btn-primary { width: auto; }

  /* Modal: near-fullscreen */
  .modal-window {
    width: 96vw;
    max-width: none;
    max-height: 96vh;
  }

  /* Form row: stack fields */
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* Mobile: ≤ 600px */
@media (max-width: 600px) {
  .login-card {
    width: 100%;
    margin: 16px;
    padding: 28px 20px;
  }
  .login-title { font-size: 26px; }

  .sidebar {
    padding: 10px 12px;
  }
  .sidebar-brand span:last-child { display: none; }
  .sidebar-user .user-info { display: none; }

  .main-content { padding: 16px; }

  .section-header h2 { font-size: 20px; }

  .campaigns-grid {
    grid-template-columns: 1fr;
  }

  .form-card { padding: 16px; }

  /* Campaign card actions: scroll orizzontale se troppo strette */
  .card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  .card-actions .btn-preview { flex: 1; min-width: 120px; }

  /* Modal */
  .modal-window {
    width: 100%;
    height: 100%;
    max-height: 100vh;
    border-radius: 0;
  }
  .modal-header { padding: 12px 16px; }
  .stream-controls { padding: 8px 12px; }

  /* Share modal */
  .modal-window.small {
    width: 100%;
    border-radius: 0;
    align-self: flex-end;
  }
  .share-link-container { flex-direction: column; }
  .share-link-container .btn-primary { width: 100%; }

  /* Site picker */
  .site-picker-toolbar {
    flex-wrap: wrap;
    gap: 8px;
  }
  .site-picker-stage { min-height: 220px; }

  /* Toggle group: full width */
  .toggle-group { flex-direction: column; }
  .toggle-btn { width: 100%; }
}