/* ============================================================
   Tendine dei filtri (js/tendina.js, 17/10): pulsante + pannello.
   La <select> vera resta, nascosta: valore e ascoltatori di sempre.
   ============================================================ */
.tendina-nativa {
  position: absolute !important;
  width: 1px !important; height: 1px !important;
  padding: 0 !important; margin: 0 !important; border: 0 !important;
  opacity: 0; pointer-events: none;
  clip-path: inset(50%); overflow: hidden;
}

/* pulsante */
.tendina-btn {
  display: inline-flex; align-items: center; gap: 8px;
  height: 38px; min-width: 150px; max-width: 260px;
  padding: 0 10px 0 12px;
  border: 1px solid var(--n-200); border-radius: 11px;
  background: var(--n-0);
  font: inherit; font-size: 14px; font-weight: 500; color: var(--n-900);
  box-shadow: 0 1px 2px rgba(16, 24, 40, .05);
  cursor: pointer;
  transition: border-color var(--t-veloce), box-shadow var(--t-veloce), background var(--t-veloce);
}
.tendina-btn[hidden] { display: none; }
.tendina-btn:hover { border-color: var(--n-300); }
.tendina-btn.aperta, .tendina-btn:focus-visible { outline: none; border-color: var(--brand-600); box-shadow: 0 0 0 4px rgba(10, 111, 149, .12); }
.tendina-btn:disabled { opacity: .55; cursor: not-allowed; }
/* filtro attivo: si vede subito che la lista è filtrata */
.tendina-btn.scelta {
  background: color-mix(in srgb, var(--brand-50) 80%, var(--n-0));
  border-color: color-mix(in srgb, var(--brand-600) 30%, var(--n-200));
  color: var(--brand-700); font-weight: 600;
}
.tendina-testo { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: left; }
.tendina-freccia { width: 16px; height: 16px; flex-shrink: 0; color: var(--n-400); transition: transform var(--t); }
.tendina-btn.aperta .tendina-freccia { transform: rotate(180deg); color: var(--brand-600); }

/* foto o iniziali, icona della sede */
.tendina-av {
  width: 24px; height: 24px; flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: 50%;
  background: linear-gradient(140deg, var(--brand-500), var(--brand-700));
  color: #fff; font-size: 9.5px; font-weight: 700; letter-spacing: .02em;
  overflow: hidden;
}
.tendina-btn .tendina-av { width: 22px; height: 22px; margin-left: -4px; }
.tendina-ic {
  width: 24px; height: 24px; flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: 8px;
  background: var(--brand-50); color: var(--brand-600);
  box-shadow: inset 0 0 0 1px var(--brand-100);
}
.tendina-ic svg { width: 14px; height: 14px; }
.tendina-btn .tendina-ic { width: 22px; height: 22px; margin-left: -4px; }

/* pannello */
@keyframes tendina-in { from { opacity: 0; transform: translateY(-4px) scale(.985); } to { opacity: 1; transform: none; } }
.tendina-pop {
  position: fixed; z-index: 1200;
  display: flex; flex-direction: column;
  background: var(--n-0);
  border: 1px solid var(--n-200); border-radius: 16px;
  box-shadow: 0 0 0 1px rgba(16, 24, 40, .03), 0 24px 56px -16px rgba(16, 24, 40, .38);
  overflow: hidden;
  animation: tendina-in .14s var(--ease);
}
.tendina-cerca { display: flex; align-items: center; gap: 9px; padding: 10px 14px; border-bottom: 1px solid var(--n-100); }
.tendina-cerca svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--brand-600); }
.tendina-cerca input {
  flex: 1; height: 26px; padding: 0;
  border: 0 !important; box-shadow: none !important; background: transparent !important;
  font-size: 14px;
}
.tendina-lista { flex: 1; min-height: 0; overflow-y: auto; padding: 6px; overscroll-behavior: contain; }
.tendina-gruppo {
  padding: 10px 10px 4px;
  font-size: 10.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--n-400);
}
.tendina-sep { height: 1px; margin: 4px 8px; background: var(--n-100); }
.tendina-voce {
  display: flex; align-items: center; gap: 10px;
  width: 100%; min-height: 38px; padding: 6px 10px;
  border: 0; border-radius: 10px;
  background: transparent;
  font: inherit; font-size: 14px; color: var(--n-900); text-align: left;
  cursor: pointer;
}
.tendina-voce.attiva { background: color-mix(in srgb, var(--brand-50) 85%, var(--n-0)); }
.tendina-voce.scelta { font-weight: 600; color: var(--brand-700); }
.tendina-voce.tutti { color: var(--n-700); }
.tendina-voce:disabled { opacity: .45; cursor: not-allowed; }
.tendina-spunta { width: 16px; height: 16px; margin-left: auto; flex-shrink: 0; color: var(--brand-600); }
.tendina-vuoto { padding: 16px; text-align: center; font-size: 13px; color: var(--n-500); }

@media (max-width: 820px) {
  .tendina-btn { max-width: none; flex: 1; }
  .tendina-voce { min-height: 44px; }
}
@media (prefers-reduced-motion: reduce) { .tendina-pop { animation: none; } }