body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
}

/* Lớp phủ mờ */
.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

/* Hộp thông báo */
.notification {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    width: 80%;
    max-width: 400px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transform: translate(-50%, -50%);
    z-index: 1000;
    text-align: center;
    padding: 15px;
}

/* Header thông báo */
.notification-header {
    font-size: 18px;
    font-weight: bold;
    color: red;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 10px;
    border-bottom: 1px solid #ccc;
}

/* Nội dung thông báo */
.notification-body {
    font-size: 16px;
    padding: 10px 0;
}

/* Footer thông báo */
.notification-footer {
    display: flex;
    justify-content: center;
    gap: 10px;
}

/* Nút bấm */
button {
    padding: 8px 15px;
    font-size: 14px;
    cursor: pointer;
    border: none;
    border-radius: 5px;
}

.close-btn {
    background-color: #007bff;
    color: white;
}

.hide-btn {
    background-color: orange;
    color: white;
}