body {
    padding: 0;
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #fff;
}

.Nav_Menu_Header {
    padding: 15px 20px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
}

.menu-btn {
    font-size: 28px;
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    z-index: 999;
    position: relative;
}

.overlay {
    display: flex;
    height: 100%;
    width: 90%;
    position: fixed;
    top: 0;
    left: -100%; /* Start hidden */
    z-index: 1000;
    background-color: #fff;
    flex-direction: row;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transform: scale(0.95);
    pointer-events: none;
    transition: left 0.8s ease, opacity 0.8s ease, transform 0.8s ease;

}

.overlay.show {
    left: 0;
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
}

.overlay-left {
    width: 180px;
    background-color: #3a3960;
    color: white;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.username {
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 10px;
}

.username-line {
    width: 100%;
    border-bottom: 1px solid #ffffff44;
    margin-bottom: 30px;
    padding: 9px;
}

.menu a {
    display: block;
    padding: 12px 0;
    font-size: 18px;
    color: white;
    text-decoration: none;
    background-color: darkslateblue;
    text-align: center;
}

.menu a:hover {
    color: #FC5404;
}

.overlay-right {
    flex: 1;
    background-color: white;
    display: flex;
    flex-direction: column;
}

.top-area {
    background-color:#3a3960;
    color: white;
    padding: 10px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    position: relative;
}

.close-btn {
    font-size: 42px;
    background: none;
    border: none;
    cursor: pointer;
    color: white;
    z-index: 1002;
}

.close-line {
    width: 100%;
    height: 4px;
    background-color: #3a3960
}

.welcome-text {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 28px;
    font-weight: bold;
    color: #001f2b;
}

@media (max-width: 768px) {
    .overlay-left {
        width: 150px;
    }

    .username {
        font-size: 18px;
    }

    .menu a {
        font-size: 16px;
    }

    .close-btn {
        font-size: 36px;
    }

    .close-line {
        height: 3px;
    }

    .welcome-text {
        font-size: 22px;
        padding: 0 10px;
        text-align: center;
    }
}