body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #d9a7ff, #fbc2eb, #a1c4fd);
  min-height: 100vh;
  overflow-y: auto;      
  overflow-x: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container, .login-card {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(10px);
  padding: 40px;
  border-radius: 25px;
  width: 350px;
  z-index: 10;
  box-shadow: 0 10px 28px rgba(0,0,0,0.2);
  position: relative;
}

.icon-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
  position: relative;
}

.icon-bg {
  width: 90px; height: 90px;
  background: linear-gradient(45deg, purple, hotpink);
  border-radius: 50%;
  filter: blur(12px);
  position: absolute;
  animation: glow 3s infinite alternate;
}

.icon {
  width: 70px; height: 70px;
  border-radius: 50%;
  background: linear-gradient(45deg, purple, hotpink);
  display: flex;
  justify-content: center;
  align-items: center;
}

.title {
  text-align: center;
  font-size: 22px;
  margin-bottom: 10px;
  background: linear-gradient(45deg, purple, hotpink);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle {
  text-align: center;
  color: gray;
  margin-bottom: 20px;
}

label {
  font-size: 14px;
  color: #444;
}

input {
  width: 100%;
  padding: 12px;
  border-radius: 12px;
  border: 2px solid #ccc;
  background: #fafafa;
  margin-bottom: 15px;
}

input:focus {
  outline: none;
  border-color: purple;
}

#errorBox {
  color: red;
  background: #ffe5e5;
  padding: 10px;
  border-radius: 10px;
  margin-bottom: 10px;
  display: none;
}

.btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(45deg, purple, hotpink);
  color: white;
  border-radius: 15px;
  border: none;
  cursor: pointer;
  font-size: 16px;
  transition: 0.2s;
}

.btn:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.btn-login {
  width: 100%;
  padding: 14px;
  background: linear-gradient(45deg, purple, hotpink);
  color: white;
  border-radius: 15px;
  border: none;
  cursor: pointer;
  font-size: 16px;
  transition: 0.25s ease;
}

.btn-login:hover {
  transform: scale(1.03);
  box-shadow: 0 4px 15px rgba(0,0,0,0.25);
}

.login-container {
    max-height: none;
    height: auto;
    overflow: visible; /* Penting */
    padding-bottom: 40px; /* Biar bagian bawah tidak kepotong */
}

.login-link {
  text-align: center;
  margin-top: 15px;
}

.login-link a {
  color: purple;
  text-decoration: underline;
}

.glitter {
  position: absolute;
  width: 4px;
  height: 4px;
  background: purple;
  border-radius: 50%;
  opacity: 0;
  animation: glitter-burst 2s infinite ease-out;
  pointer-events: none;
}

/* Tombol Toggle Demo */
.demo-toggle {
  margin-top: 10px;
  width: 100%;
  padding: 10px;
  border: none;
  border-radius: 12px;
  background: rgba(255,255,255,0.6);
  cursor: pointer;
  font-size: 15px;
  transition: 0.3s;
}

.demo-section {
    margin-top: 20px;
    padding-bottom: 20px;
    overflow: visible;
}

.demo-toggle:hover {
  background: rgba(255,255,255,0.85);
}

.demo-box {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.5s ease, opacity 0.4s ease;
  background: rgba(255, 255, 255, 0.6);
  padding: 15px;
  border-radius: 12px;
  line-height: 1.6;
}

.demo-box.show {
  max-height: 1000px;   
  opacity: 1;
}


@keyframes glitter-burst {
  0% {
    transform: scale(0.4) translate(0,0);
    opacity: 0.9;
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: scale(1) translate(var(--x), var(--y));
    opacity: 0;
  }
}
@keyframes glow {
    0% { opacity: 0.2; }
    100% { opacity: 0.55; }
}