/* Background */
body {
    margin: 0;
    padding: 0;
    background: #000; /* solid black */
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: Arial, sans-serif;
    overflow: hidden;
    animation: fadeIn 1.5s ease-in-out;
}

/* Fade Animation */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Container */
.container {
    text-align: center;
    color: white;
    animation: float 3s infinite ease-in-out;
}

/* Floating Animation */
@keyframes float {
    0% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0); }
}

/* Heading */
.container h1 {
    font-size: 45px;
    margin-bottom: 30px;
    text-shadow: 0 0 15px #00aaff;
    animation: glow 2s infinite alternate;
}

/* Glow effect */
@keyframes glow {
    from { text-shadow: 0 0 8px #00aaff; }
    to { text-shadow: 0 0 25px #00aaff; }
}

/* Login Button */
.login-btn {
    display: inline-block;
    padding: 12px 35px;
    font-size: 22px;
    font-weight: bold;
    color: #000;
    text-decoration: none;
    background: #00aaff;
    border-radius: 8px;
    transition: 0.3s ease;
    box-shadow: 0 0 15px #00aaff;
}

/* Hover button effect */
.login-btn:hover {
    background: white;
    color: #00aaff;
    transform: scale(1.1);
    box-shadow: 0 0 25px #00aaff;
}