body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f7f7ff;
}

.page {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

/* Background Animasi */
.bg-1, .bg-2, .bg-3 {
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    opacity: 0.4;
}

.bg-1 {
    width: 300px; height: 300px;
    background: rgba(255,255,255,0.3);
    top: 10%; left: 10%;
    animation: glow 4s infinite alternate;
}

.bg-2 {
    width: 400px; height: 400px;
    background: rgba(255,120,200,0.3);
    bottom: 10%; right: 10%;
    animation: float 6s infinite;
}

.bg-3 {
    width: 250px; height: 250px;
    background: rgba(200,100,255,0.3);
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    animation: glow 5s infinite alternate;
}

@keyframes glow {
    0% { opacity: 0.2; }
    100% { opacity: 0.55; }
}

@keyframes float {
    0% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0); }
}

/* Container */
.container {
    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);
}

/* Icon */
.icon-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

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

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

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

/* Form */
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;
}

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

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

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

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