:root {
    --primary-color: #53247F;
    --secondary-color: #9B7BB7;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 8px rgba(0,0,0,0.15);
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: #f5f5f5;
}

/* === MODIFIED: Header styles for accessibility and new logo === */
.header {
    background: var(--primary-color);
    box-shadow: var(--shadow);
    padding: 0;
    margin-bottom: 2rem;
}

.logo-img {
    max-height: 70px;
    height: auto;
    width: auto;
}

.navbar-brand {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.navbar .nav-link {
    font-weight: 500;
    color: #fff;
    /* Added for accessibility */
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}

.dropdown-menu {
    border-radius: 8px;
    box-shadow: var(--shadow-hover);
}
/* === END MODIFICATION === */


.footer {
    background: #000;
    color: white;
    padding: 2rem 2rem 2rem 2rem;
    margin-top: 3rem;
}

.footer a {
    color: var(--secondary-color);
    text-decoration: none;
}

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

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    display: inline-block;
    margin-right: 1.5rem;
    margin-bottom: 0.5rem;
}

.card {
    border: none;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    transition: box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-hover);
}

.card-header {
    background-color: var(--primary-color);
    color: white;
    border-radius: 8px 8px 0 0 !important;
    padding: 1rem 1.5rem;
    font-weight: 500;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: 500;
    letter-spacing: 0.5px;
    padding: 0.5rem 1.5rem;
}

.btn-primary:hover, .btn-primary:focus {
    background-color: #421d66;
    border-color: #421d66;
}

.btn-secondary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: #fff;
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.form-control, .form-select {
    border-radius: 4px;
    border: 1px solid #ddd;
    padding: 0.6rem 0.75rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(83, 36, 127, 0.25);
}

.form-label {
    font-weight: 500;
    color: #555;
    margin-bottom: 0.5rem;
}

div.dataTables_wrapper div.dataTables_filter label {
    text-align: right !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    border-radius: 0% !important;
    padding: 0.0em 0.0em !important;
}

table.dataTable {
    border-collapse: separate !important;
    border-spacing: 0;
}

/* Modified sticky header */
.sticky-header thead {
    position: sticky;
    top: 0;
    background-color: #f8f9fa;
    z-index: 10;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.sticky-header th {
    background-color: var(--primary-color) !important;
    color: white !important;
    font-weight: 500;
    border-bottom: 2px solid #dee2e6;
}

/* Table row styles with custom campus colors */
.campus-ce {
    border-left: 4px solid var(--primary-color);
}

.table-hover tbody tr:hover {
    background-color: rgba(83, 36, 127, 0.05);
    cursor: pointer;
}

/* Active filter badges */
.filter-badge {
    background-color: var(--primary-color);
    color: white;
    border-radius: 12px;
    padding: 0.25rem 0.75rem;
    margin: 0.25rem;
    display: inline-block;
    font-size: 0.875rem;
}

/* Enrollment status badges */
.badge-open {
    background-color: #28a745;
    color: white;
}

.badge-closed {
    background-color: #dc3545;
    color: white;
}

.badge-waitlist {
    background-color: #ffc107;
    color: #000;
}

.badge-full {
    background-color: #fd7e14;
    color: white;
}

/* Material Icons styling */
.material-icons {
    vertical-align: middle;
    font-size: 1.2em;
}

/* Search section styling */
.search-section {
    background-color: white;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
}

/* Filter section */
.filters-section {
    background-color: #f8f9fa;
    border-radius: 8px;
    margin-top: 1rem;
}

.filters-inner {
    padding: 1.5rem;
}

/* Child row expanded content */
.child-row {
    background-color: #f8f9fa;
    padding: 1.5rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    padding: 0.5rem 0;
}

.info-label {
    font-weight: 600;
    min-width: 150px;
    color: #555;
}

.info-value {
    color: #333;
}

/* Class number button styling */
.btn-class-nbr {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-class-nbr:hover {
    background-color: var(--primary-color);
    color: white;
}

.btn-class-nbr.enroll-btn {
    background-color: var(--primary-color);
    color: white;
}

.btn-class-nbr.enroll-btn:hover {
    background-color: #421d66;
}

.btn-class-nbr.waitlist-btn {
    background-color: #ffc107;
    color: #000;
    border-color: #ffc107;
}

.btn-class-nbr.waitlist-btn:hover {
    background-color: #e0a800;
    border-color: #e0a800;
}

/* Help drawer */
.slide-drawer {
    position: fixed;
    right: -400px;
    top: 0;
    width: 400px;
    height: 100vh;
    background-color: white;
    box-shadow: -2px 0 10px rgba(0,0,0,0.1);
    transition: right 0.3s ease;
    z-index: 1050;
    overflow-y: auto;
}

.slide-drawer.open {
    right: 0;
}

.slide-drawer-header {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.slide-drawer-body {
    padding: 1.5rem;
}

.slide-drawer-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0,0,0,0.5);
    z-index: 1040;
    display: none;
}

.slide-drawer-backdrop.open {
    display: block;
}

#floating-help-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: none;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    z-index: 1030;
    transition: all 0.3s;
}

#floating-help-btn:hover {
    background-color: #421d66;
    box-shadow: 0 6px 12px rgba(0,0,0,0.3);
    transform: scale(1.1);
}

/* Timer/refresh status */
.bg-timer {
    background: linear-gradient(135deg, rgba(83, 36, 127, 0.05) 0%, rgba(155, 123, 183, 0.05) 100%);
}

/* Meeting separator styling */
.meeting-separator {
    border: none;
    border-top: 1px solid #dee2e6;
    margin: 0.5rem 0;
}

/* Make meeting patterns more distinct on mobile */
@media (max-width: 768px) {
    .meeting-separator {
        border-top: 2px dashed var(--primary-color);
        margin: 1rem 0;
        opacity: 0.6;
    }
}

/* Navbar collapse for mobile */
@media (max-width: 991px) {
    .navbar-collapse {
        background-color: var(--primary-color);
        padding: 1rem;
        border-top: 1px solid rgba(255,255,255,0.2);
        margin-top: 0.5rem;
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    /* Mobile-specific adjustments */
    #floating-help-btn {
        width: 50px;
        height: 50px;
        bottom: 15px;
        right: 15px;
    }
    #floating-help-btn .material-icons {
        font-size: 1.5rem;
    }
    .search-section {
        padding: 1rem;
    }
    .search-section h4 {
        font-size: 1.2rem;
    }
    .form-label {
        font-size: 0.9rem;
    }
    .form-control, .form-select, .btn {
        font-size: 0.9rem;
    }
    .header {
        margin-bottom: 1rem;
    }
    .card-header {
        font-size: 0.9rem;
    }
    table.dataTable {
        font-size: 0.85rem;
    }

    /* Make collapsible filter header more obvious on mobile */
    .collapsible-filter-header {
        background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
        padding: 0.75rem 1rem !important;
        border-radius: 8px;
        margin-bottom: 1rem;
        cursor: pointer;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        border: none !important;
    }

    .collapsible-filter-header:hover {
        background: linear-gradient(135deg, #dee2e6 0%, #ced4da 100%);
        box-shadow: 0 3px 6px rgba(0,0,0,0.15);
    }

    .collapsible-filter-header::before {
        content: "👇 Tap to expand filters";
        display: block;
        font-size: 0.7em;
        color: #6c757d;
        font-weight: normal;
        margin-bottom: 0.25rem;
        letter-spacing: 0.5px;
    }

    .collapsible-filter-header[aria-expanded="true"]::before {
        content: "👆 Tap to collapse filters";
    }

    .slide-drawer {
        width: 100%;
        right: -100%;
    }

    .th-desktop {
        display: none !important;
    }

    /* Hide the manual expand/collapse control on mobile */
    table.dataTable td.manual-control {
        display: none !important;
    }

    table.dataTable th.manual-control {
        display: none !important;
    }

    /* Make the entire row look more clickable with better visual styling */
    table.dataTable tbody tr,
    table.dataTable tbody tr:nth-child(odd),
    table.dataTable tbody tr:nth-child(even),
    table.dataTable tbody tr.odd,
    table.dataTable tbody tr.even,
    table.dataTable.stripe tbody tr.odd,
    table.dataTable.stripe tbody tr.even,
    table.dataTable.display tbody tr.odd,
    table.dataTable.display tbody tr.even {
        cursor: pointer;
        border: 2px solid #dee2e6;
        border-radius: 8px;
        margin-bottom: 0.5rem;
        display: block;
        padding: 0.75rem;
        background-color: white !important;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }

    table.dataTable tbody tr:hover {
        box-shadow: 0 4px 8px rgba(0,0,0,0.15);
        border-color: var(--primary-color);
    }

    /* Style table headers for mobile */
    table.dataTable thead {
        display: none; /* Hide headers on mobile for cleaner look */
    }

    /* Display table cells as blocks on mobile */
    table.dataTable tbody td {
        display: block;
        text-align: center; /* Center all text on mobile */
        padding: 0.5rem 0;
        border: none;
        background-color: transparent !important; /* Fix banded row issue */
    }

    /* Only show Class #, Course & Title, Days, Start Time, End Time, Instructor, and Dates on mobile */
    table.dataTable tbody td:nth-child(2), /* Class # */
    table.dataTable tbody td:nth-child(3), /* Course & Title */
    table.dataTable tbody td:nth-child(6), /* Days */
    table.dataTable tbody td:nth-child(7), /* Start Time */
    table.dataTable tbody td:nth-child(8), /* End Time */
    table.dataTable tbody td:nth-child(9), /* Instructor */
    table.dataTable tbody td:nth-child(10) /* Dates */
    {
        display: block !important;
    }

    /* Hide all other columns on mobile */
    table.dataTable tbody td:nth-child(4),  /* Status */
    table.dataTable tbody td:nth-child(5),  /* Location */
    table.dataTable tbody td:nth-child(11), /* Session */
    table.dataTable tbody td:nth-child(12)  /* Hidden column */
    {
        display: none !important;
    }

    /* Style Class # to look like a prominent button on mobile - CE Purple */
    table.dataTable tbody td:nth-child(2) {
        font-size: 1.1em;
        font-weight: 700;
        padding: 0.75rem;
        margin: -0.75rem -0.75rem 0.5rem -0.75rem;
        background: linear-gradient(135deg, #53247F 0%, #421d66 100%);
        color: white;
        text-align: center;
        border-radius: 6px 6px 0 0;
        position: relative;
        box-shadow: 0 2px 4px rgba(83, 36, 127, 0.3);
        text-shadow: 0 1px 2px rgba(0,0,0,0.3);
    }

    table.dataTable tbody td:nth-child(2)::before {
        content: "📱 TAP FOR DETAILS • Class #";
        display: block;
        margin-bottom: 0.25rem;
        font-size: 0.7em;
        font-weight: 400;
        opacity: 0.95;
        letter-spacing: 0.5px;
    }

    /* Make the Class Nbr button full width on mobile */
    table.dataTable tbody td:nth-child(2) .btn-class-nbr {
        width: 100%;
        justify-content: center;
        border-radius: 0;
        padding: 0.75rem;
        font-size: 1.1em;
        background: transparent;
        box-shadow: none;
        text-shadow: inherit;
    }

    table.dataTable tbody td:nth-child(2) .btn-class-nbr:hover {
        background: transparent;
        transform: none;
    }

    /* CE campus-specific colors for mobile header */
    table.dataTable tbody tr.campus-ce td:nth-child(2) {
        background: linear-gradient(135deg, #53247F 0%, #421d66 100%);
        box-shadow: 0 2px 4px rgba(83, 36, 127, 0.3);
    }

    /* Style Course & Title prominently */
    table.dataTable tbody td:nth-child(3) {
        font-size: 1.05em;
        font-weight: 500;
        padding: 0.5rem 0;
        border-bottom: 1px solid #eee;
        margin-bottom: 0.5rem;
    }

    /* Add tap instruction at the bottom of mobile rows */
    table.dataTable tbody tr::after {
        content: "Tap anywhere to view full details";
        display: block;
        text-align: center;
        font-size: 1em;
        color: #000;
        font-style: normal;
        padding-top: 0.5rem;
        margin-top: 0.5rem;
        border-top: 1px dashed #ddd;
    }

    table.dataTable tbody tr.shown::after {
        content: "Tap to collapse details";
    }

    /* Hide tap instruction for linked class nested rows on mobile */
    table.dataTable tbody tr.linked-class-row::after {
        display: none !important;
    }

    /* Style linked class nested row on mobile */
    tr.linked-class-row td {
        padding: 0.75rem 1rem !important;
        font-size: 0.95em !important;
        text-align: left !important;
    }

    /* Style Meeting Info (Days, Times, Instructor, Dates) */
    table.dataTable tbody td:nth-child(6),  /* Days */
    table.dataTable tbody td:nth-child(7),  /* Start Time */
    table.dataTable tbody td:nth-child(8),  /* End Time */
    table.dataTable tbody td:nth-child(9),  /* Instructor */
    table.dataTable tbody td:nth-child(10)  /* Dates */
    {
        font-size: 0.95em;
        color: #555;
        padding: 0.25rem 0;
        display: block !important;
    }

    table.dataTable tbody td:nth-child(6)::before {
        content: "📅 Days: ";
        margin-right: 0.25rem;
    }

    table.dataTable tbody td:nth-child(7)::before {
        content: "🕐 Start: ";
        margin-right: 0.25rem;
    }

    table.dataTable tbody td:nth-child(8)::before {
        content: "🕐 End: ";
        margin-right: 0.25rem;
    }

    table.dataTable tbody td:nth-child(9)::before {
        content: "👤 ";
        margin-right: 0.25rem;
    }

    table.dataTable tbody td:nth-child(10)::before {
        content: "📆 Dates: ";
        margin-right: 0.25rem;
    }

    /* Child row styling for mobile */
    table.dataTable tbody tr.child {
        display: block !important;
        padding: 1rem;
        background-color: #f8f9fa;
        border: 2px solid #dee2e6;
        border-radius: 8px;
        margin-top: 0.5rem;
        box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
    }

    table.dataTable tbody tr.child td {
        display: block !important;
        padding: 0 !important;
    }

    table.dataTable tbody tr.child ul {
        margin: 0;
        padding: 0;
        list-style: none;
    }

    /* Dark mode mobile adjustments */
    body.dark-mode table.dataTable tbody tr,
    body.dark-mode table.dataTable tbody tr:nth-child(odd),
    body.dark-mode table.dataTable tbody tr:nth-child(even) {
        background-color: #2d2d2d !important;
        border-color: #444;
    }

    body.dark-mode table.dataTable tbody tr.child {
        background-color: #1a1a1a;
        border-color: #444;
    }
}

@media (max-width: 992px) {
    .th-none {
        display: none !important;
    }
}

/* DataTables responsive plugin styles */
table.dataTable.dtr-inline.collapsed > tbody > tr > td.dtr-control:before,
table.dataTable.dtr-inline.collapsed > tbody > tr > th.dtr-control:before {
    background-color: var(--primary-color);
}

table.dataTable.dtr-inline.collapsed > tbody > tr.parent > td.dtr-control:before,
table.dataTable.dtr-inline.collapsed > tbody > tr.parent > th.dtr-control:before {
    background-color: #dc3545;
}

/* Web Awesome component overrides */
wa-button[variant="brand"]::part(base) {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

wa-button[variant="brand"]:hover::part(base) {
    background-color: #421d66;
    border-color: #421d66;
}

wa-button[variant="accent"]::part(base) {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

/* Choices.js customization */
.choices__inner {
    border-radius: 4px;
    border: 1px solid #ddd;
    min-height: 42px;
}

.choices__list--multiple .choices__item {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.choices__list--dropdown .choices__item--selectable.is-highlighted {
    background-color: rgba(83, 36, 127, 0.1);
}

/* Dark mode support */
body.dark-mode {
    background-color: #1a1a1a;
    color: #e0e0e0;
}

body.dark-mode .card {
    background-color: #2a2a2a;
    color: #e0e0e0;
}

body.dark-mode .search-section {
    background-color: #2a2a2a;
}

body.dark-mode .filters-section {
    background-color: #333;
}

body.dark-mode .child-row {
    background-color: #333;
}

body.dark-mode .form-control,
body.dark-mode .form-select {
    background-color: #333;
    color: #e0e0e0;
    border-color: #555;
}

body.dark-mode .table {
    color: #e0e0e0;
}

body.dark-mode .table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: rgba(255, 255, 255, 0.02);
}

/* High contrast mode */
body.high-contrast {
    background-color: #000;
    color: #fff;
}

body.high-contrast .card {
    background-color: #000;
    border: 2px solid #fff;
    color: #fff;
}

body.high-contrast .btn-primary {
    background-color: #fff;
    color: #000;
    border: 2px solid #fff;
}

body.high-contrast .form-control,
body.high-contrast .form-select {
    background-color: #000;
    color: #fff;
    border: 2px solid #fff;
}

/* Print styles */
@media print {
    .header,
    .footer,
    #floating-help-btn,
    .slide-drawer,
    .btn,
    .filters-section {
        display: none !important;
    }

    .table {
        font-size: 10pt;
    }

    body {
        background-color: white;
    }
}

/* Additional CE-specific styles */
.ce-program-badge {
    background-color: var(--secondary-color);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.875rem;
}

.material-fee-badge {
    background-color: #17a2b8;
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.875rem;
}

.hyflex-badge {
    background-color: #6f42c1;
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.875rem;
}

.cbe-badge {
    background-color: #20c997;
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.875rem;
}

/* Icons in labels */
.chain-icon {
    color: var(--primary-color);
    font-size: 1.2em;
}

.date-icon {
    color: var(--primary-color);
    cursor: pointer;
}

.date-icon:hover {
    color: #421d66;
}

/* CCN Table in info section */
.ccntable-container {
    width: 100%;
    overflow-x: auto;
}

.ccntable-container table {
    width: 100%;
    border-collapse: collapse;
    background-color: rgba(83, 36, 127, 0.05);
    color: inherit;
}

.ccntable-container th,
.ccntable-container td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid rgba(83, 36, 127, 0.1);
}

.ccntable-container th {
    background-color: rgba(83, 36, 127, 0.1);
    font-weight: 600;
}

/* Alert customizations */
.alert-primary {
    background-color: rgba(83, 36, 127, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.alert-secondary {
    background-color: rgba(155, 123, 183, 0.1);
    border-color: var(--secondary-color);
}