#premium_gate_container {
    max-width: 480px;
    margin: 64px auto 32px auto;
    text-align: center;
    padding: 32px 24px;
    background-color: #f9f9f9;
    border-radius: 12px;
    border: 2px solid #e6c200;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

#premium_gate_icon {
    font-size: 38px;
    margin-bottom: 16px;
}

#premium_gate_title {
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 12px;
    color: #333;
}

#premium_gate_subtitle {
    font-size: 15px;
    color: #555;
    margin-bottom: 24px;
    line-height: 1.5;
}

#premium_gate_upgrade_button {
    display: inline-block;
    background-color: black;
    color: white;
    padding: 12px 32px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 16px;
    font-weight: bold;
    border: 1px solid black;
    transition: opacity 0.2s ease;
}

#premium_gate_upgrade_button:hover {
    opacity: 0.7;
}

#premium_gate_upgrade_button:visited {
    color: white;
}

#premium_gate_archive_link {
    display: block;
    margin-top: 20px;
    font-size: 14px;
    color: #666;
}

#premium_gate_archive_link a {
    color: #000;
    text-decoration: underline;
}

#premium_gate_archive_link a:visited {
    color: #000;
}

/* Mobile */
@media screen and (max-width: 900px) {
    #premium_gate_container {
        margin: 32px 12px;
        padding: 24px 16px;
    }

    #premium_gate_title {
        font-size: 19px;
    }

    #premium_gate_subtitle {
        font-size: 13px;
    }

    #premium_gate_upgrade_button {
        font-size: 14px;
        padding: 10px 24px;
    }
}