@keyframes aurora {
    0% {background-position: 0% 50%;}
    50% {background-position: 100% 50%;}
    100% {background-position: 0% 50%;}
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(120deg, #041026, #093969, #1b735d, #0b2545, #0f3c6d);
    background-size: 400% 400%;
    animation: aurora 12s ease infinite;
    color: white;
}

header {
    background: rgba(0, 0, 0, 0.6);
    padding: 25px;
    text-align: center;
    text-shadow: 0 0 10px #66ffcc;
}

section {
    padding: 20px;
    background: rgba(0, 0, 0, 0.45);
    margin: 10px;
    border-radius: 8px;
    backdrop-filter: blur(4px);
}

footer {
    background: rgba(0, 0, 0, 0.6);
    padding: 10px;
    text-align: center;
}

input {
    margin: 8px 0;
    padding: 10px;
    width: 100%;
    border-radius: 5px;
    border: none;
}

button {
    padding: 12px 20px;
    background: #1b735d;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: 0.3s;
}

button:hover {
    transform: scale(1.05);
    opacity: 0.85;
}