.login-button {
    position: absolute;
    top: 5px;
    right: 10px;
    z-index: 9999; /* Highest z-index for the login button */
    margin: 1px;
}

.login-button button {
    padding: 10px 20px;
    background-color: var(--input-button-color);
    color: var(--text-color);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.login-button button:hover {
    background-color: var(--input-button-hover-color);
}

/* Overlay for popup - full screen and centered */
.popup-overlay {
    position: fixed; /* Fixed to cover the entire viewport */
    top: 0;          /* Ensure it starts from the top */
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000; /* Higher than the header to cover the screen */
}

/* Popup content box */
.popup-content {
    background: var(--background-color);
    color: var(--text-color);
    padding: 30px;
    border-radius: 10px;
    width: 300px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Input styles */
.popup-content input {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid var(--input-border-color);
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.popup-content input:focus {
    border-color: var(--input-button-color);
    outline: none; /* Remove default outline */
}

/* Close button */
.close-popup {
    background: red; /* Exception to the rule */
    color: var(--text-color);
    border: none;
    border-radius: 5px;
    padding: 5px 10px;
    cursor: pointer;
    margin-top: 20px;
}

.log-into-account {
    background: green; /* Exception to the rule */
    color: var(--text-color);
    border: none;
    border-radius: 5px;
    padding: 5px 10px;
    cursor: pointer;
    margin-top: 20px;
}

/* Footer section */
.popup-footer {
    margin-top: 15px;
}

.popup-footer button {
    margin-right: 10px;
    padding: 8px 15px;
    background-color: var(--input-button-color);
    color: var(--text-color);
    border: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.popup-footer button:hover {
    background-color: var(--input-button-hover-color);
}

.popup-footer a {
    color: var(--user-message-color);
    text-decoration: none;
}

.popup-footer a:hover {
    text-decoration: underline;
}

.popup-content p {
    color: var(--pop-up-text);
    margin: 10px;
}