/* Import Google Font */
@import url('https://fonts.googleapis.com/css?family=Poppins:400,500,600,700&display=swap');

/* Define Color Variables */
:root {
    --primary-color: #000000;
    --secondary-color: #808080;
    --hover-color: #111;
    --background-color: #f9f9f9;
    --text-color: #ffffff;
    --link-color: #007bff;
    --pagination-color: #ccc;
}

/* Global Styling */
body {
    font-family: 'Poppins', sans-serif;
    border: 5px solid var(--primary-color);
    margin: 0;
    padding: 0;
}

/* Box Styling */
.box {
    border: 2px solid var(--primary-color);
}

.parent-container {
  
  width: 88%;
  margin: 0 auto;
  
}

/* Navigation Bar */
ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #444;
}

li {
    float: left;
}

li a {
    display: block;
    color: var(--text-color);
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

li a:hover {
    background-color: var(--hover-color);
}

.active {
    background-color: var(--primary-color);
}

nav {
    padding: 10px;
    background: var(--primary-color);
    font-family: 'Poppins', sans-serif;
}

nav a {
    color: var(--secondary-color);
}

nav a.navbar-brand {
    color: var(--text-color);
    font-size: 30px !important;
    font-weight: 500;
}

button a {
    color: var(--primary-color);
    font-weight: 500;
}

button a:hover {
    text-decoration: none;
}

/* Table Styling */
table {
    font-family: 'Poppins', sans-serif;
    border-collapse: collapse;
    width: 100%;
}

td, th {
    border: 1px solid var(--primary-color);
    text-align: left;
    padding: 5px;
}

tr:nth-child(even) {
    background-color: #dddddd;
}

/* Popup Container */
.popup {
    position: relative;
    display: inline-block;
    cursor: pointer;
    user-select: none;
}

.popup .popuptext {
    visibility: hidden;
    opacity: 0;
    width: 200%;
    max-width: 800px;
    background-color: var(--hover-color);
    color: var(--text-color);
    text-align: center;
    border-radius: 6px;
    padding: 10px;
    position: absolute;
    z-index: 1;
    top: 130%;
    left: 50%;
    transform: translateX(-50%);
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.popup .popuptext::after {
    content: "";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 6px;
    border-style: solid;
    border-color: var(--hover-color) transparent transparent transparent;
}

.popup:hover .popuptext,
.popup.active .popuptext {
    visibility: visible;
    opacity: 1;
}

/* Button Group */
.btn-group button {
    background-image: url(data/l_y.png);
    color: var(--text-color);
    padding: 35px 24px;
    cursor: pointer;
    width: 100%;
    display: block;
    border-radius: 30px;
}

.btn-group button a {
    color: var(--primary-color);
    font-size: 30px;
    font-weight: 500;
    text-decoration: none;
}

.btn-group button:not(:last-child) {
    border-bottom: none;
}

.btn-group button:hover {
    background-color: var(--primary-color);
}

/* Footer */
footer {
    text-align: right;
    padding: 3px;
    color: gray;
}

/* Pagination */
#paginationLinks {
    text-align: center;
    margin: 20px 0;
}

.pagination-link {
    text-decoration: none;
    color: var(--link-color);
    padding: 8px 16px;
    margin: 0 5px;
    border: 1px solid var(--link-color);
    border-radius: 5px;
    background-color: var(--background-color);
    font-size: 14px;
    transition: background-color 0.3s, color 0.3s;
}

.pagination-link:hover {
    background-color: var(--link-color);
    color: var(--text-color);
}

.pagination-active {
    padding: 8px 16px;
    margin: 0 5px;
    font-size: 14px;
    background-color: var(--link-color);
    color: var(--text-color);
    border-radius: 5px;
    border: 1px solid var(--link-color);
}

.pagination-link:disabled {
    color: var(--pagination-color);
    cursor: not-allowed;
}

.pagination-link, .pagination-active {
    margin-left: 10px;
    margin-right: 10px;
}

.pagination-ellipsis {
    margin: 0 5px;
    color: #999;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        border: none;
    }

    nav {
        padding: 5px;
    }

    nav a.navbar-brand {
        font-size: 20px;
    }

    .btn-group button {
        padding: 20px 12px;
    }

    .popup .popuptext {
        width: 100%;
        max-width: 300px;
    }

    table {
        font-size: 14px;
    }

    td, th {
        padding: 3px;
        padding-left: 7px;
    }
}