body {
    display: flex;
    justify-content: center;
    min-height: 100vh;
    overflow: hidden;
}

.ACU_log-in {
  display: flex;
  flex-direction: column;
  text-align: center;
  margin: auto;
  max-width: 600px;
  padding: 20px 25px 50px 25px;
  border: 2px solid #4fc3f7;
  border-radius: 25px;
  background: rgba(255,255,255,0.5);
  backdrop-filter: blur(10px);
  box-shadow: 4px 4px 25px rgba(33,150,243,0.10);
}
.ACU_log-in h1 {
  margin-bottom: 50px;
}
.ACU_log-in-form-content {
  display: flex;
  flex-direction: row;
  align-items: center;
  margin-bottom: 20px;
  width: 100%;
  justify-content: flex-start;
}
.ACU_log-in-form-content label {
  font-size: 1.2em;
  color: #1565c0;
  margin-right: 20px;
  font-weight: bold;
  white-space: nowrap;
  min-width: 75px;
}
.ACU_log-in-form-content input[type="text"],.ACU_log-in-form-content input[type="password"] {
  flex: 1;
  min-width: 300px;
  font-size: 1.2em;
  padding: 10px 15px;
  text-align: left;
  border: 2px solid #4fc3f7;
  border-radius: 15px;
  outline: none;
  background: rgba(255,255,255,0.7);
  box-shadow: 2px 2px 10px rgba(33,150,243,0.1);
  transition: 
    transform 0.2s cubic-bezier(.34,1.56,.64,1),
    box-shadow 0.2s,
    border-color 0.2s;
}
.ACU_log-in-form-content input[type="text"]:focus,.ACU_log-in-form-content input[type="password"]:focus {
  border-color: #1565c0;
  box-shadow: 4px 4px 15px rgba(33,150,243,0.2);
  transform: scale(1.1, 0.9);
}
.ACU_log-in-form button[type="submit"] {
  width: 50%;
  padding: 10px 0;
  margin-top: 15px;
  font-size: 1.2em;
  font-weight: bold;
  color: #1565c0;
  background: rgba(255,255,255,0.5);
  border: 2px solid #4fc3f7;
  border-radius: 20px;
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 12px rgba(33,150,243,0.10);
  transition:
    transform 0.2s cubic-bezier(.34,1.56,.64,1),
    box-shadow 0.2s,
    border-color 0.2s,
    background 0.2s;
}
.ACU_log-in-form button[type="submit"]:hover,.ACU_log-in-form button[type="submit"]:focus {
  background: rgba(255,255,255,0.75);
  border-color: #1565c0;
  box-shadow: 5px 5px 25px rgba(33,150,243,0.2);
  transform: scale(1.05, 0.95);
}

.ACU_log-in-status-TRUE,.ACU_log-in-status-FALSE {
  position: absolute;
  top: 1vh;
  left: 50%;
  transform: translate(-50%, 0);
  z-index: 10;
  display: none;
  min-width: 250px;
  padding: 15px 30px;
  font-size: 1.2em;
  font-weight: bold;
  border-radius: 20px;
  backdrop-filter: blur(15px) saturate(180%);
  background: rgba(255,255,255,0.5);
  box-shadow: 4px 4px 25px 0 rgba(0,0,0,0.10);
  margin: 0;
  border-width: 5px;
  border-style: solid;
  box-sizing: border-box;
  transition: 
    transform 0.25s cubic-bezier(.34,1.56,.64,1),
    box-shadow 0.25s,
    border-color 0.25s,
    background 0.25s;
}

.ACU_log-in-status-TRUE {
  border-color: #43a047;
  box-shadow: 4px 4px 25px 0 rgba(67,160,71,0.2);
  background: rgba(67,160,71,0.10);
  color: #2e7d32;
}
.ACU_log-in-status-FALSE {
  border-color: #e53935;
  box-shadow: 4px 4px 25px 0 rgba(229,57,53,0.2);
  background: rgba(229,57,53,0.10);
  color: #b71c1c;
}

.ACU_log-in-status p {
  margin: 0;
  display: block;
}

.ACU_slide-down {
  animation: ACU_slideDown 0.5s cubic-bezier(.34,1.56,.64,1);
}
@keyframes ACU_slideDown {
  from {
    opacity: 0;
    transform: translate(-50%, -40px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0) scale(1);
  }
}