html, body {
  height: 100%;
  min-height: 100vh;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
}

body {
  height: 100%;
  overflow: hidden;
  background: #ffffff; /* Sfondo bianco puro */
}

.login-bg-gradient {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  background: #ffffff; /* Sfondo bianco */
  z-index: 0;
}

#particles-js {
  position: fixed;
  z-index: 1;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  pointer-events: none;
}

/* CENTRATURA CARD E FOOTER */
.login-main-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 2;
  position: relative;
}

.login-footer {
  margin-top: 2.5em;
  text-align: center;
  color: #b7bfd6;
  font-size: 0.98em;
  letter-spacing: .04em;
  width: 100vw;
  z-index: 2;
  position: relative;
}

/* CARD */
.login-card {
  width: 380px;
  max-width: 97vw;
  padding: 2.3em 1.4em 2em 1.4em;
  margin: 0 auto;
  border-radius: 2em;
  box-shadow: 0 8px 40px 0 rgba(76,128,234,0.15), 0 1.5px 4px 0 rgba(123,180,230,0.11);
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(245,250,255,0.60);
  backdrop-filter: blur(14px) saturate(120%);
  border: 1.5px solid rgba(142,201,255,0.11);
  min-height: 330px;
}

.login-card-inner {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.login-card h1 {
  margin: 0 0 1.1em 0;
  font-size: 2em;
  font-weight: bold;
  color: #377dd4;
  letter-spacing: .05em;
}

.tiny-logo {
  max-width: 72px;
  width: 100%;
  height: auto;
  margin-bottom: 18px;
}

.login-card input[type=email],
.login-card input[type=password] {
  width: 93%;
  max-width: 350px;
  margin: .6em auto 1.1em auto;
  font-size: 1.13em;
  border: 1.5px solid #c8def8;
  border-radius: 10px;
  padding: .72em 1em;
  background: rgba(255,255,255,0.86);
  box-shadow: 0 2px 8px rgba(136,190,255,0.06);
  transition: border-color 0.19s;
}

.login-card input:focus {
  border-color: #82bcf7;
  outline: none;
}

/* TASTO ACCEDI: nero con riflessi dark/argento */
.login-btn, .login-card button {
  width: 100%;
  padding: 13px 0;
  border-radius: 14px;
  border: none;
  background: linear-gradient(145deg, #0d0d0d, #1c1c1c);
  color: #f2f2f2;
  font-weight: 700;
  font-size: 1.18rem;
  cursor: pointer;
  margin-top: 4px;
  transition: background 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.65), inset 0 0 10px rgba(50, 50, 50, 0.3);
}

.login-btn:hover, .login-card button:hover {
  background: linear-gradient(145deg, #444444, #a0a0a0);
  color: #ffffff;
  box-shadow: 0 6px 16px rgba(60, 60, 60, 0.6), inset 0 0 12px rgba(100, 100, 100, 0.4);
}

.errore {
  color: #e05050;
  background: rgba(255,60,60,0.10);
  padding: 0.7em 1.2em;
  border-radius: 8px;
  margin-bottom: 1em;
  font-size: 1em;
}

/* RESPONSIVE */
@media (max-width: 600px) {
  .login-card {
    padding: 1em 0.2em;
    min-height: 220px;
  }
  .login-main-container {
    justify-content: flex-start;
  }
  .login-footer {
    margin-top: 2em;
  }
  .login-card h1 {
    font-size: 1.3em;
  }
  .tiny-logo {
    max-width: 60px;
    margin-bottom: 14px;
  }
}

/* Effetto glassmorphism */
.glass {
  background: rgba(255,255,255,0.47);
  border: 1.5px solid rgba(142,201,255,0.13);
  box-shadow: 0 8px 32px 0 rgba(125,168,255,0.12);
  backdrop-filter: blur(13px) saturate(140%);
}

@media (max-width: 600px) {
  .login-main-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center !important;
    align-items: center;
    padding: 6vh 0 4vh 0;
    box-sizing: border-box;
  }

  .cloud-card.login-card {
    padding: 1em 0.3em;
    min-height: 180px;
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    width: 96vw;
    left: 50%;
    transform: translateX(-50%);
  }

  .login-footer {
    margin-top: 1.2em;
    font-size: 0.95em;
  }
}

/* Login Password Eye Icon */
.password-field-container {
  position: relative;
  width: 100%;
}
.password-input {
  width: 100%;
  padding-right: 38px !important;
  box-sizing: border-box;
}
.eye-icon {
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  cursor: pointer;
  width: 22px;
  height: 22px;
  color: #888;
  opacity: 0.7;
  transition: color 0.2s, opacity 0.2s;
  z-index: 10;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  padding: 0;
}
.eye-icon.active {
  color: #0083ff;
  opacity: 1;
}

/* Extra: messaggio errore (ripetuto per compatibilità) */
.errore {
  color: #d96a6a;
  background: #fff7f7;
  border: 1px solid #ffcccc;
  border-radius: 9px;
  padding: 8px 10px;
  margin-bottom: 12px;
  font-size: 1.03em;
  text-align: center;
  font-weight: 600;
  box-shadow: 0 2px 12px 0 #ffebeb60;
}