body {
    background: #161616;
    margin: 0;
    font-family: 'Poppins', Arial, sans-serif;
    color: white;
    min-height: 100vh;
    width: 100vw;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    width: 90vw;
    max-width: 400px;
    margin: 30px auto;
    padding: 22px 6px 14px 6px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.profile-card {
    background: #212121;
    border-radius: 20px;
    padding: 38px 18px 26px 18px;
    text-align: center;
    box-shadow: 0 0 32px rgba(0,0,0,0.45);
    width: 100%;
    max-width: 410px;
    box-sizing: border-box;
}

.profile-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 5px solid #00fff7;
    object-fit: cover;
    margin-bottom: 18px;
    background: #2e2e2e;
    box-shadow: 0 0 4px #00fff7;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

/* Title, highlight, details */
.title {
    font-size: 2.1rem;
    font-weight: bold;
    margin-bottom: 16px;
}

.highlight {
    color: #00fff7;
    font-size: 1.12rem;
    margin-bottom: 6px;
}

.emoji {
    font-size: 1.2rem;
    margin-left: 6px;
}

.desc {
    color: #ababab;
    margin-bottom: 24px;
    margin-top: 9px;
    font-size: 1.01rem;
    line-height: 1.5;
}

/* Join Button styling */
.join-btn {
    background: #00fff7;
    color: #212121;
    border: none;
    border-radius: 12px;
    padding: 14px 34px;
    font-size: 1.23rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.18s, color 0.18s;
    margin-top: 18px;
    box-shadow: 0 0 4px #00fff780;
    outline: none;
}

.join-btn:hover, .join-btn:active, .join-btn:focus {
    background: #deefef;
    color: #00b5bc;
}

footer {
    text-align: center;
    margin-top: 30px;
    color: #ababab;
    font-size: 1rem;
}

.footer-link {
    color: #00fff7;
    text-decoration: underline;
}

/* Small Device Responsive */
@media (max-width: 535px) {
    .container {
        width: 99vw;
        padding: 0;
        min-height: 90vh;
    }
    .profile-card {
        min-height: 410px;
        padding: 32px 8px 22px 8px;
        max-width: 99vw;
    }
    .profile-img {
        width: 108px;
        height: 108px;
    }
    .title {
        font-size: 1.37rem;
    }
    .join-btn {
        font-size: 1.05rem;
        padding: 12px 22px;
        margin-top: 12px;
    }
}