/* --------------------------------------------------
   Pagina di login — palette e misure in un solo posto
   -------------------------------------------------- */
:root {
  --bg: #f0f0f1;
  --surface: #ffffff;
  --border: #dcdcde;
  --text: #1e1e1e;
  --muted: #50575e;
  --grey: #646970;
  --accent: #2f4bd8;
  --accent-hover: #253ab3;
  --danger: #b32d2e;
  --danger-bg: #fcf0f1;
  --focus: 0 0 0 3px rgba(47, 75, 216, .25);
}

* { box-sizing: border-box; }

/* Alcuni reset di tema sovrascrivono display: serve garantire [hidden] */
[hidden] { display: none !important; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: clamp(32px, 8vh, 88px) 20px 48px;
  background: var(--bg);
  color: var(--text);
  font: 400 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.login {
  width: 100%;
  max-width: 320px;
}

/* Logo ------------------------------------------------- */
.login__brand {
  display: block;
  width: max-content;
  margin: 0 auto 24px;
}

.login__logo {
  display: block;
  width: 84px;
  height: 84px;
  object-fit: contain;
}

/* Card ------------------------------------------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .04);
  padding: 26px 24px 24px;
}

/* Campi ------------------------------------------------ */
.field { margin-bottom: 18px; }

.field label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--muted);
}

input[type="text"],
input[type="password"],
select {
  width: 100%;
  padding: 9px 12px;
  font-size: 16px; /* evita lo zoom automatico su iOS */
  color: var(--text);
  background: var(--surface);
  border: 1px solid #8c8f94;
  border-radius: 0;
  transition: border-color .15s, box-shadow .15s;
}

input[type="text"]:focus,
input[type="password"]:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--focus);
}

.field__group { position: relative; }
.field__group input { padding-right: 44px; }

.reveal {
  position: absolute;
  top: 50%;
  right: 4px;
  transform: translateY(-50%);
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  padding: 0;
  color: var(--accent);
  background: none;
  border: 0;
  cursor: pointer;
}

.reveal svg { width: 20px; height: 20px; }
.reveal:hover { background: #f0f2ff; }
.reveal:focus-visible { outline: none; box-shadow: var(--focus); }

.field__hint,
.field__error {
  margin: 6px 0 0;
  font-size: 13px;
}

.field__hint { color: var(--muted); }
.field__error { color: var(--danger); }

input[aria-invalid="true"] { border-color: var(--danger); }
input[aria-invalid="true"]:focus { box-shadow: 0 0 0 3px rgba(179, 45, 46, .2); }

/* Riga finale: ricordami + pulsante ------------------- */
.form__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 22px;
}

.check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
  cursor: pointer;
}

.check input {
  width: 16px;
  height: 16px;
  margin: 0;
  border-radius: 0;
  accent-color: var(--accent);
}

/* Icona "?" e relativo popup -------------------------- */
.help {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.help__toggle {
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  padding: 0;
  font: 700 12px/1 inherit;
  color: #fff;
  background: var(--grey);
  border: 0;
  border-radius: 50%; /* l'iconcina resta tonda, come nel modello */
  cursor: pointer;
  transition: background-color .15s;
}

.help__toggle:hover { background: var(--text); }

/* Blu mentre il popup è aperto */
.help__toggle[aria-expanded="true"],
.help__toggle[aria-expanded="true"]:hover { background: var(--accent); }

.help__toggle:focus-visible { outline: none; box-shadow: var(--focus); }

.help__popup {
  position: absolute;
  bottom: calc(100% + 12px);
  left: 0;
  z-index: 10;
  width: 300px;
  max-width: calc(100vw - 56px);
  padding: 18px 38px 18px 18px;
  font-size: 14px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, .16);
}

.help__popup p { margin: 0; }

.help__close {
  position: absolute;
  top: 8px;
  right: 8px;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  padding: 0;
  font: 400 20px/1 inherit;
  color: var(--muted);
  background: none;
  border: 0;
  cursor: pointer;
}

.help__close:hover { color: var(--text); }
.help__close:focus-visible { outline: none; box-shadow: var(--focus); }

/* Pulsanti -------------------------------------------- */
.btn {
  padding: 9px 18px;
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 0;
  cursor: pointer;
  transition: background-color .15s;
}

.btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn:focus-visible { outline: none; box-shadow: var(--focus); }
.btn[disabled] { opacity: .6; cursor: default; }

.btn--ghost {
  color: var(--accent);
  background: transparent;
  font-weight: 500;
}

.btn--ghost:hover { background: #f0f2ff; border-color: var(--accent); }

/* Messaggio di errore generale ------------------------ */
.alert {
  margin: 0 0 18px;
  padding: 10px 12px;
  font-size: 14px;
  color: var(--danger);
  background: var(--danger-bg);
  border-left: 4px solid var(--danger);
}

/* Link sotto la card ---------------------------------- */
/* Rientro di 24px: si allineano al contenuto della card, non al suo bordo. */
.links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
  padding: 0 24px;
  font-size: 13px;
}

.links a {
  color: var(--muted);
  text-decoration: underline;
}

.links a:hover { color: var(--accent); }

.privacy {
  margin: 3em 0 0;
  padding: 0 24px;
  text-align: center;
  font-size: 13px;
}

.privacy a {
  color: var(--accent);
  text-decoration: underline;
}

.privacy a:hover { color: var(--accent-hover); }

/* Selettore lingua ------------------------------------ */
/* Etichetta + icona sopra, select + pulsante sotto: il gruppo e' centrato
   sulla colonna e l'etichetta si allinea al bordo sinistro del gruppo. */
.lang {
  display: flex;
  justify-content: center;
  margin-top: 48px;
}

.lang__inner { width: max-content; }

.lang__label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--muted);
}

.lang__icon {
  flex: none;
  width: auto;
  height: 22px;
  display: block;
}

.lang__group { display: flex; gap: 8px; }

.lang__group select {
  width: 176px;
  padding: 8px 12px;
}

.lang__group .btn {
  padding: 6px 14px;
  font-size: 13px;
}

/* Schermi piccoli ------------------------------------- */
@media (max-width: 380px) {
  .form__footer { flex-direction: column; align-items: stretch; }
  .help { justify-content: flex-start; }
  .form__footer > .btn { width: 100%; }
}