/* CSS Variables for Multiple Themes */
:root {
    /* Default Blue Theme */
    --bg-body: #f4f7f6;
    --bg-topbar: #003d82;
    --bg-navbar: #0056b3;
    --text-nav: #ffffff;
    --bg-card-header: #0056b3;
    --text-card-header: #ffffff;
    --bg-card: #ffffff;
    --text-main: #333333;
    --link-color: #0056b3;
    --border-color: #dee2e6;
}

[data-theme="green"] {
    --bg-body: #f1f8f5;
    --bg-topbar: #0f5132;
    --bg-navbar: #198754;
    --text-nav: #ffffff;
    --bg-card-header: #198754;
    --text-card-header: #ffffff;
    --bg-card: #ffffff;
    --text-main: #333333;
    --link-color: #198754;
    --border-color: #c3e6cb;
}

[data-theme="dark"] {
    --bg-body: #121212;
    --bg-topbar: #000000;
    --bg-navbar: #1e1e1e;
    --text-nav: #e0e0e0;
    --bg-card-header: #1e1e1e;
    --text-card-header: #ffc107;
    --bg-card: #242424;
    --text-main: #e0e0e0;
    --link-color: #66b2ff;
    --border-color: #444444;
}

body {
    background-color: var(--bg-body);
    color: var(--text-main);
    font-size: 1rem; /* Base font size for scaling */
    transition: all 0.3s ease;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Top Accessibility Bar */
.top-bar {
    background-color: var(--bg-topbar);
    color: #fff;
    padding: 6px 0;
    font-size: 0.85rem;
}

    .top-bar a, .top-bar button {
        color: #fff;
        text-decoration: none;
        margin: 0 5px;
        font-weight: 500;
        background: none;
        border: 1px solid rgba(255,255,255,0.3);
        padding: 2px 8px;
        border-radius: 4px;
        cursor: pointer;
        transition: background 0.2s;
    }

        .top-bar a:hover, .top-bar button:hover {
            background-color: rgba(255,255,255,0.2);
        }

.theme-btn {
    width: 18px;
    height: 18px;
    display: inline-block;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid #fff;
    vertical-align: middle;
}

/* Header */
.main-header {
    background-color: var(--bg-card);
    padding: 15px 0;
    border-bottom: 2px solid var(--border-color);
}

/* Navbar */
.custom-navbar {
    background-color: var(--bg-navbar);
    padding: 0;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

    .custom-navbar .nav-link {
        color: var(--text-nav);
        font-weight: 600;
        padding: 12px 15px;
        transition: background 0.3s;
    }

        .custom-navbar .nav-link:hover {
            background-color: rgba(0,0,0,0.2);
        }

.navbar-nav .nav-item {
    position: relative;
    padding: 0 10px;
}

    .navbar-nav .nav-item:not(:last-child)::after {
        content: "";
        position: absolute;
        top: 50%;
        right: 0;
        transform: translateY(-50%);
        width: 1px;
        height: 20px;
        background: rgba(255,255,255,0.5); /* White separator */
    }

.dropdown-menu {
    background-color: var(--bg-card);
    border-color: var(--border-color);
}

.dropdown-item {
    color: var(--text-main);
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-color);
}

    .dropdown-item:last-child {
        border-bottom: none;
    }

    .dropdown-item:hover {
        background-color: var(--bg-body);
        color: var(--link-color);
    }


/* Cards and Sections */
.custom-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    height: 100%;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.custom-card-header {
    background-color: var(--bg-card-header);
    color: var(--text-card-header);
    font-weight: 700;
    padding: 12px;
    text-align: center;
}

/* Custom Scrollbar for Lists */
.scrollable-content {
    height: 287px;
    overflow-y: auto;
    padding: 0;
}

    .scrollable-content::-webkit-scrollbar {
        width: 6px;
    }

    .scrollable-content::-webkit-scrollbar-track {
        background: var(--bg-body);
    }

    .scrollable-content::-webkit-scrollbar-thumb {
        background: var(--bg-navbar);
        border-radius: 4px;
    }

.list-group-item {
    background-color: transparent;
    color: var(--text-main);
    border-color: var(--border-color);
    font-size: 0.9rem;
    padding: 10px 15px;
    transition: background 0.2s;
}

    .list-group-item:hover {
        background-color: rgba(0,0,0,0.03);
        color: var(--link-color);
    }

    .list-group-item i {
        color: var(--link-color);
        margin-right: 8px;
    }

/* News Items */
.news-item {
    display: block;
    padding: 10px 15px;
    border-bottom: 1px dashed var(--border-color);
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.85rem;
    transition: background 0.2s;
}

    .news-item:hover {
        background-color: rgba(0,0,0,0.03);
        color: var(--link-color);
    }

.badge-date {
    background-color: var(--bg-navbar);
    color: var(--text-nav);
    padding: 3px 6px;
    border-radius: 3px;
    font-size: 0.75rem;
    margin-right: 5px;
}

/* Carousel constraints */
.carousel-item img {
    height: 380px;
    object-fit: cover;
}

/* News Ticker */
.news-ticker {
    background: #fff3cd;
    border: 1px solid #ffe69c;
    color: #664d03;
}

.text-danger {
    --bs-text-opacity: 1;
    color: rgba(var(--bs-danger-rgb), var(--bs-text-opacity)) !important;
}

i {
    margin-right: 5px;
}

/* Footer Links Section */
.footer-links-section {
    background-color: #fff8dc;
    padding: 20px 0;
    border-top: 1px solid #e0d8b6;
}

.bottom-footer {
    background-color: var(--bg-navbar);
    padding: 15px 0;
    position: relative;
    transition: background-color 0.3s;
}

.btn-outline-light:hover,
.btn-outline-light:focus {
    background: transparent;
    color: #fff !important;
    border-color: #fff;
}

.back-to-top {
    position: absolute;
    right: 20px;
    top: -20px;
    background-color: #212529;
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    text-decoration: none;
}

.new-badge {
    max-height: 15px;
    margin-right: 5px;
}

/* =========================
   Responsive CSS
========================= */

/* Tablet */
@media (max-width: 991.98px) {

    /* Header */
    .main-header {
        text-align: center;
    }

        .main-header img {
            max-width: 90px;
            margin-bottom: 10px;
        }

        .main-header h2 {
            font-size: 1.5rem;
        }

        .main-header h5 {
            font-size: 1rem;
        }

    /* Navbar */
    /*.custom-navbar .navbar-nav {
        padding: 10px 0;
    }

    .custom-navbar .nav-link {
        padding: 10px 15px;
    }*/

    /* Remove separators on mobile menu */
    /* .navbar-nav .nav-item::after {
        display: none;
    }*/

    /* Dropdown */
    .dropdown-menu {
        border: none;
        box-shadow: none;
    }

    /* Carousel */
    .carousel-item img {
        height: 300px;
    }

    /* Scrollable list */
    .scrollable-content {
        height: 250px;
    }

    /* Footer */
    .bottom-footer {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

        .bottom-footer a {
            width: 100%;
            max-width: 350px;
        }
}
/* Navbar */
@media (max-width:991px) {

    .custom-navbar {
        padding: 0;
    }

    .navbar-collapse {
        background: #fff;
        margin-top: 10px;
        border-radius: 8px;
        box-shadow: 0 5px 15px rgba(0,0,0,.15);
        padding: 10px;
    }

    .navbar-nav {
        width: 100%;
    }

        .navbar-nav .nav-item {
            padding: 0;
            border-bottom: 1px solid #eee;
        }

            .navbar-nav .nav-item:last-child {
                border: none;
            }

            .navbar-nav .nav-item::after {
                display: none;
            }

    .custom-navbar .nav-link {
        color: #003d82 !important;
        font-size: 16px;
        font-weight: 600;
        padding: 14px 18px;
    }

        .custom-navbar .nav-link:hover {
            background: #f3f7fd;
            color: #0056b3 !important;
        }

    .dropdown-menu {
        position: static !important;
        border: none;
        box-shadow: none;
        padding-left: 20px;
    }

    .navbar-toggler {
        border: 2px solid #fff;
    }
}

/* Mobile */
@media (max-width: 767.98px) {

    body {
        font-size: 14px;
    }

    .top-bar {
        text-align: center;
    }

        .top-bar .d-flex {
            flex-direction: column;
            gap: 8px;
        }

    .main-header {
        padding: 10px;
    }

        .main-header img {
            max-width: 70px;
        }

        .main-header h2 {
            font-size: 1.25rem;
        }

        .main-header h5 {
            font-size: 0.95rem;
        }

    .custom-card {
        margin-bottom: 20px;
    }

    .custom-card-header {
        font-size: 16px;
    }

    .carousel-item img {
        height: 250px;
    }

    .scrollable-content {
        height: auto;
        max-height: 300px;
    }

    .list-group-item,
    .news-item {
        font-size: 14px;
        padding: 10px;
    }

    .footer-links-section {
        text-align: center;
    }

    .back-to-top {
        right: 15px;
        width: 35px;
        height: 35px;
    }
}

/* Extra Small Devices */
@media (max-width: 575.98px) {

    .main-header h2 {
        font-size: 1.1rem;
    }

    .main-header h5 {
        font-size: .85rem;
    }

    .carousel-item img {
        height: 220px;
    }

    .btn {
        width: 100%;
    }

    .bottom-footer {
        padding: 15px;
    }
}


.top-bar {
    background: #003d82;
    padding: 6px 15px;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}

.top-links,
.top-settings {
    display: flex;
    align-items: center;
    gap: 6px;
}

    .top-links a,
    .top-settings button {
        color: #fff;
        text-decoration: none;
        border: 1px solid rgba(255,255,255,.3);
        padding: 3px 8px;
        border-radius: 4px;
        font-size: 12px;
        background: none;
    }

    .top-settings span {
        color: #fff;
        font-size: 12px;
        font-weight: 600;
    }

.theme-btn {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid #fff;
    cursor: pointer;
}

.top-settings, .edu-social, .edu-heading {
    display: unset;
}

.edu-heading-mobile
{
    display:none;
}

/* ================= Mobile ================= */
@media(max-width:768px) {

    .top-bar {
        padding: 8px;
    }

    .top-bar-content {
        flex-direction: column;
        align-items: center;
    }

    .top-links,
    .top-settings {
        justify-content: center;
        flex-wrap: wrap;
        width: 100%;
    }

        .top-links a,
        .top-settings button {
            font-size: 11px;
            padding: 3px 6px;
        }

    .top-settings, .edu-social, .edu-heading {
        display: none;
    }

    .edu-heading-mobile
    {
        display:unset;
    }
}