*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  color: #1c241f;
  background:
    radial-gradient(circle at top left, #3a9d86 0%, transparent 42%),
    linear-gradient(160deg, #1f6b5a 0%, #143f36 100%);
  min-height: 100dvh;
}

.schermo {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px calc(24px + env(safe-area-inset-bottom));
}

.card {
  width: min(100%, 400px);
  background: #f7f4ee;
  border-radius: 24px;
  padding: 32px 24px 28px;
  box-shadow: 0 24px 50px rgba(8, 24, 20, 0.28);
}

.logo {
  display: flex;
  justify-content: center;
  margin-bottom: 12px;
}

h1 {
  margin: 0 0 24px;
  text-align: center;
  font-size: 1.8rem;
  letter-spacing: 0.08em;
}

.sottotitolo {
  margin: -12px 0 24px;
  text-align: center;
  color: #5b665f;
  font-size: 1rem;
}

.sottotitolo[hidden] {
  display: none;
}

.campo {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
  font-size: 0.92rem;
  font-weight: 600;
}

.campo input {
  width: 100%;
  border: 1px solid #d5d0c6;
  background: #fff;
  border-radius: 12px;
  padding: 14px 14px;
  font: inherit;
  font-weight: 400;
  min-height: 48px;
}

.campo input:focus {
  outline: 2px solid #1f6b5a;
  border-color: #1f6b5a;
}

.opzione-password {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: -4px 0 14px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #5b665f;
  cursor: pointer;
}

.opzione-password input {
  width: 18px;
  height: 18px;
  accent-color: #1f6b5a;
}

.messaggio {
  margin: 0 0 14px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.92rem;
  font-weight: 600;
}

.messaggio.errore {
  background: #fde8e4;
  color: #8a2b16;
}

.messaggio.ok {
  background: #e4f4ee;
  color: #145c45;
}

.bottone-principale {
  width: 100%;
  min-height: 50px;
  border: 0;
  border-radius: 14px;
  background: #1f6b5a;
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.bottone-principale:disabled {
  opacity: 0.65;
  cursor: wait;
}

.cambio-modo {
  margin: 18px 0 0;
  text-align: center;
  color: #5b665f;
}

.link {
  border: 0;
  background: none;
  color: #1f6b5a;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  min-height: 44px;
}