/* Portale su telefono: menu laterale a scomparsa con hamburger, tab compatte.
   Caricato dopo portal.css: qui sopra si sovrascrivono le regole mobile di la'. */
.burger, .top-logo, .scrim, .bottom-nav { display: none; }
/* le voci del menu non si comprimono mai (Progetti/Esperimenti hanno overflow hidden per il riflesso): se non ci stanno, il menu scorre */
.side > * { flex-shrink: 0; }

@media (max-width: 820px) {
  .topbar { gap: 10px; padding: 0 12px 0 8px; height: 58px; }
  .burger { display: inline-flex; align-items: center; gap: 6px; height: 38px; padding: 0 12px 0 9px; border: 0; background: var(--lime); border-radius: 999px; color: var(--ink); cursor: pointer; flex: 0 0 auto; font: inherit; font-weight: 800; font-size: 14px; }
  .burger-t { line-height: 1; }
  .burger:active { background: var(--bg); }
  .burger svg.i { width: 20px; height: 20px; }
  .top-logo { display: block; }
  .top-logo .logo { height: 26px; }
  .company { font-size: 0; gap: 0; }
  .company .avatar { width: 32px; height: 32px; }
  .logout { padding: 7px 10px; }

  /* menu laterale a scomparsa */
  .side { position: fixed; top: 0; left: 0; bottom: 0; z-index: 40; width: 280px; max-width: 86vw; height: 100%;
    flex-direction: column; overflow-y: auto; overflow-x: hidden; padding: 18px 14px; gap: 4px;
    border-right: 1px solid var(--line); border-bottom: 0; box-shadow: 0 0 40px rgba(17,21,10,.18);
    transform: translateX(-105%); transition: transform .28s cubic-bezier(.3,.7,.3,1); }
  .side .logo, .side-group, .nav-item.locked { display: flex; }
  .side .logo { display: block; }
  .side-group { display: block; }
  .nav-item { white-space: normal; width: 100%; }
  .app.nav-open .side { transform: none; }
  .scrim { display: block; position: fixed; inset: 0; z-index: 35; background: rgba(17,21,10,.35); opacity: 0; pointer-events: none; transition: opacity .25s ease; }
  .app.nav-open .scrim { opacity: 1; pointer-events: auto; }
  body.nav-lock { overflow: hidden; }

  /* tab di Progetti: etichette su una riga, si va a capo tra una tab e l'altra */
  .tabs { flex-wrap: wrap; gap: 2px 4px; }
  .tab { padding: 9px 8px 11px; font-size: 14px; white-space: nowrap; }
  .tab .n { width: 20px; height: 20px; font-size: 11px; }

  /* elenco conversazioni: griglia a due colonne, niente scorrimento orizzontale */
  .conv-list { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; overflow: visible; padding: 8px; }
  .conv-item { min-width: 0; padding: 8px; gap: 8px; }
  .conv-item .ch { width: 28px; height: 28px; }
  .conv-item .pill { display: none; }
  .conv-item .ci b { font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

  /* barra in basso: le sezioni principali sempre a vista, "Menu" apre tutto il resto */
  .bottom-nav { display: grid; grid-template-columns: repeat(5, 1fr); align-items: stretch; position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
    background: rgba(255,255,255,.97); backdrop-filter: blur(8px); border-top: 1px solid var(--line);
    padding: 6px 6px calc(8px + env(safe-area-inset-bottom)); box-shadow: 0 -6px 20px rgba(17,21,10,.06); }
  .bn { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; height: 58px; margin: 0; padding: 0;
    border: 0; background: none; font: inherit; font-size: 11px; font-weight: 700; line-height: 1; color: var(--ink-mute); cursor: pointer; -webkit-tap-highlight-color: transparent; }
  .bn svg.i { display: block; box-sizing: border-box; flex: 0 0 auto; width: 52px; height: 32px; padding: 6px 16px; border-radius: 999px; transition: background .2s ease, color .2s ease; }
  .bn span { display: block; line-height: 1; white-space: nowrap; }
  .bn.on { color: var(--ink); }
  .bn.on svg.i { background: var(--lime); }
  .bn-menu { color: var(--ink); }
  .bn-menu svg.i { background: var(--ink); color: var(--lime); }
  .bn-menu.hint svg.i { animation: bnPulse 1.2s ease-in-out 3; }

  /* invito a cliccare su Progetti ed Esperimenti, finche' non vengono aperti (come nel menu laterale) */
  .bn-new:not(.seen):not(.on) { color: var(--ink); }
  .bn-new:not(.seen):not(.on) svg.i { background: var(--lime-soft); box-shadow: inset 0 0 0 1.5px var(--lime); animation: bnGlow 2.4s ease-in-out infinite; }
  .bn-new:not(.seen):not(.on)::after { content: ""; position: absolute; top: 6px; left: calc(50% + 17px); width: 9px; height: 9px; border-radius: 50%;
    background: var(--ink); box-shadow: 0 0 0 2px #fff; animation: bnDot 1.4s ease-out infinite; }
  .bn-new[data-go="esperimenti"] svg.i, .bn-new[data-go="esperimenti"]::after { animation-delay: 1.2s; }
  .content { padding-bottom: 96px; }
  .toast { bottom: 86px; }

  .content { overflow-x: clip; }
  .page-h h1 { font-size: 24px; }
  .page-h .pill { white-space: normal; }
}

@keyframes bnDot { 0% { box-shadow: 0 0 0 2px #fff, 0 0 0 2px rgba(17,21,10,.45); } 100% { box-shadow: 0 0 0 2px #fff, 0 0 0 10px rgba(17,21,10,0); } }
@keyframes bnGlow { 0%, 100% { background: var(--lime-soft); transform: scale(1); } 50% { background: var(--lime); transform: scale(1.07); } }
@keyframes bnPulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.18); } }

@media (prefers-reduced-motion: reduce) {
  .side, .scrim { transition: none; }
  .bn-new::after, .bn-new svg.i, .bn-menu.hint svg.i { animation: none; }
}