/* Reset */
body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #4a2e91, #9b59b6);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* Portal Animation */
.portal-container {
    position: relative;
    width: 100%;
    height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.portal-animation {
    position: relative;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(74, 46, 145, 0.7), transparent);
    box-shadow: 0 0 30px 20px rgba(155, 89, 182, 0.7);
    animation: pulse 3s infinite;
}

.portal-animation .glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    background: conic-gradient(from 0deg, rgba(155, 89, 182, 0.5), rgba(74, 46, 145, 0.2));
    animation: spin 6s linear infinite;
}

.portal-animation .stars {
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('https://cdn.pixabay.com/photo/2013/07/12/18/39/starry-sky-153409_960_720.png') no-repeat center/cover;
    clip-path: circle(50% at center);
    opacity: 0.7;
}

/* Button */
.button-container {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    text-align: center;
}

.login-button {
    display: inline-block;
    padding: 10px 30px;
    background-color: #4a2e91;
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    text-decoration: none;
    border-radius: 5px;
    box-shadow: 0 0 15px rgba(74, 46, 145, 0.5);
    transition: all 0.3s ease;
}

.login-button:hover {
    background-color: #3a2373;
    box-shadow: 0 0 25px rgba(58, 35, 115, 1);
}

/* Footer */
footer {
    margin-top: auto;
    padding: 10px;
    text-align: center;
    font-size: 14px;
    color: #fff;
}

footer a {
    font-weight: bold;       /* Makes the link bold */
    text-decoration: none;   /* Removes underline */
    color: inherit;          /* Keeps the link's default color */
}

footer a:hover {
    color: rgba(155, 89, 182, 1);
}

/* Animations */
@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 30px 20px rgba(155, 89, 182, 0.7);
    }
    50% {
        box-shadow: 0 0 50px 30px rgba(155, 89, 182, 0.9);
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}