/* Notifiche (zs-toast): linguetta che si ribalta in giù dal bordo alto, come un'anta incernierata.
 * Valori dalla sorgente della reference (fonti.json, voce "toast"):
 * transform-origin top center; perspective(600px) rotateX(90deg) → perspective(250px) rotateX(0);
 * transition transform .6s cubic-bezier(.87,0,.13,1); in alto a destra, max 420px;
 * sotto i 900px in basso con cerniera sul bordo basso. Intestazione colorata, corpo, azioni. */
.zs-toasts {
  --zs-toast-dur: .6s;
  --zs-toast-ease: cubic-bezier(.87, 0, .13, 1);
  position: fixed;
  --zs-toast-edge: .5rem;
  top: var(--zs-toast-edge);
  right: var(--zs-toast-edge);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  width: min(26.25rem, calc(100vw - 2 * var(--zs-toast-edge)));
  margin: 0;
  padding: 0;
  list-style: none;
  pointer-events: none}
.zs-toasts, .zs-toasts *, .zs-toasts *::before, .zs-toasts *::after { box-sizing: border-box}
.zs-toast {
  pointer-events: auto;
  overflow: hidden;
  border: 1px solid var(--z-line, color-mix(in srgb,color-mix(in srgb,var(--b-bg) 10%,var(--b-text)) 16%,transparent));
  border-radius: 0;
  background: var(--z-bg, var(--b-bg));
  color: var(--z-ink, color-mix(in srgb,var(--b-primary) 81%,var(--b-text)));
  font-family: var(--b-font-body);
  font-size: .9rem;
  box-shadow: var(--b-shadow-sm);
  transform-origin: top center;
  transform: perspective(600px) rotateX(90deg);
  transition: transform var(--zs-toast-dur) var(--zs-toast-ease)}
.zs-toast.is-in { transform: perspective(250px) rotateX(0deg)}

.zs-toast__head {
  display: flex;
  align-items: center;
  gap: .75rem;
  min-height: 2rem;
  padding: 0 0 0 .9rem;
  background: var(--z-accent, color-mix(in srgb,var(--b-primary) 81%,var(--b-bg)));
  color: var(--z-accent-ink, var(--b-bg));
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase}
.zs-toast__title { flex: 1; margin: 0; font:var(--b-font-body)}
.zs-toast__close {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 0;
  border-left: 1px solid color-mix(in srgb, currentColor 35%, transparent);
  background: none;
  color: inherit;
  cursor: pointer}
.zs-toast__close svg { width: .85rem; height: .85rem}
.zs-toast__body { display: grid; gap: .75rem; padding: .9rem}
.zs-toast__msg { margin: 0; line-height: 1.45}
.zs-toast__actions { display: flex; gap: .5rem}
.zs-toast__action:last-child:not(:first-child) { flex: 1}
.zs-toast__action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0 1rem;
  border: 1px solid var(--z-ink, color-mix(in srgb,var(--b-primary) 81%,var(--b-text)));
  border-radius: var(--z-radius, 2px);
  background: none;
  color: inherit;
  font:var(--b-font-body);
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer}
/* l'azione principale è l'ultima, piena; le altre a filo */
.zs-toast__action:last-child { background: var(--z-accent, color-mix(in srgb,var(--b-primary) 81%,var(--b-bg))); border-color: var(--z-accent, color-mix(in srgb,var(--b-primary) 81%,var(--b-bg))); color: var(--z-accent-ink, var(--b-bg))}
.zs-toast :focus-visible { outline: 2px solid currentColor; outline-offset: -4px}

/* Tipi: l'intestazione cambia tono, il resto resta del template */
.zs-toast[data-type="error"] .zs-toast__head { background: var(--z-ink, color-mix(in srgb,var(--b-primary) 81%,var(--b-text))); color: var(--z-bg, var(--b-bg))}
.zs-toast[data-type="error"] { border-color: var(--z-ink, color-mix(in srgb,var(--b-primary) 81%,var(--b-text)))}

/* Barra del tempo: si ferma con la pausa (hover/focus) */
.zs-toast__timer { height: 2px; background: var(--z-accent, color-mix(in srgb,var(--b-primary) 81%,var(--b-bg))); transform-origin: left; animation: zs-toast-timer var(--zs-toast-time, 5s) linear forwards}
.zs-toast.is-paused .zs-toast__timer { animation-play-state: paused}
@keyframes zs-toast-timer { to { transform: scaleX(0)} }

@media (max-width: 56.25rem) {
  .zs-toasts { --zs-toast-edge: .3rem; top: auto; bottom: var(--zs-toast-edge); left: var(--zs-toast-edge); right: var(--zs-toast-edge); width: auto; flex-direction: column-reverse}
  .zs-toast { transform-origin: bottom center; transform: perspective(600px) rotateX(-90deg)}
}

@media (prefers-reduced-motion: reduce) {
  .zs-toast { transition: opacity .01ms; transform: none !important; opacity: 0}
  .zs-toast.is-in { opacity: 1}
  .zs-toast__timer { animation: none}
}