/* Smooth fade-in for page content */
.fade-in {
    opacity: 0;
    transition: opacity 0.5s ease;
}
.tuition-wait-lastpage .dashboard-container,
.tuition-wait-lastpage .container-fluid {
    visibility: hidden !important;
}
.fade-in.show {
    opacity: 1;
}

.card-prefade {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.card-visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}
 :root {
     --primary-color: #0d6efd;
     --primary-dark: #000000;
     --secondary-color: #6c757d;
     --success-color: #198754;
     --warning-color: #ffc107;
     --danger-color: #dc3545;
     --light-color: #f8f9fa;
     --dark-color: #212529;
     --sidebar-width: 250px;
    --header-height: 73px;
    --footer-height: 76px;
     --transition-speed: 0.3s;
     --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.08);
     --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.12);
     --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.15);
     --border-radius: 12px;
 }

/* Soft UI additional vars */
:root {
    --glass-bg: rgba(255,255,255,0.6);
    --soft-shadow-1: 8px 8px 20px rgba(16,24,40,0.06);
    --soft-shadow-2: -8px -8px 20px rgba(255,255,255,0.7);
}
 * {
     margin: 0;
     padding: 0;
     box-sizing: border-box;
 }

 body {
     background: #f8f9fa;
     font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
     line-height: 1.6;
     color: #333;
     overflow-x: hidden;
 }
 .container-fluid{
    padding-left: 0px !important;
    padding-right: 0px !important;
 }

 /* Responsive container adjustments */
 @media (max-width: 1200px) {
     .container-fluid {
         padding-left: 1rem !important;
         padding-right: 1rem !important;
     }
 }

 @media (max-width: 768px) {
     .container-fluid {
         padding-left: 0.75rem !important;
         padding-right: 0.75rem !important;
     }
 }

 @media (max-width: 576px) {
     .container-fluid {
         padding-left: 0.5rem !important;
         padding-right: 0.5rem !important;
     }
 }
/* Enhanced Navbar Styles */
.navbar {
    background: #ffffff;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
    border-bottom: 1px solid rgba(15, 23, 42, 0.05);
    padding: 0.45rem 1rem;
    transition: all var(--transition-speed);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    height: var(--header-height);
    min-height: var(--header-height);
    max-height: var(--header-height);
    overflow: visible;
}

 .navbar-brand {
     font-weight: 700;
     font-size: 18px;
     letter-spacing: -0.3px;
     transition: transform 0.25s ease;
     color: var(--dark-color);
     display: flex;
     align-items: center;
     gap: 0.6rem;
 }

 .navbar-brand:hover {
     transform: scale(1.03);
 }

 .navbar-brand img {
    transition: transform 0.3s ease;
    border-radius: 8px;
    max-height: 48px;
    width: auto;
 }

 .navbar-brand:hover img {
     transform: rotate(-5deg);
 }

 .navbar-nav .nav-link {
     color: rgba(0,0,0,0.7) !important;
     font-weight: 600;
     padding: 0.4rem 0.75rem;
     margin: 0 4px;
     border-radius: 10px;
     transition: all 0.18s ease;
     position: relative;
     overflow: hidden;
 }

 .navbar-nav .nav-link::before {
     content: '';
     position: absolute;
     bottom: -3px;
     left: 0;
     width: 0;
     height: 2px;
     background: rgba(255, 255, 255, 0.9);
     transition: width 0.3s ease;
 }

 .navbar-nav .nav-link:hover::before,
 .navbar-nav .nav-link.active::before {
     width: 100%;
 }

 .navbar-nav .nav-link:hover,
 .navbar-nav .nav-link.active {
     color: var(--primary-dark) !important;
     background: linear-gradient(180deg, rgba(13,110,253,0.06), rgba(13,110,253,0.02));
     transform: translateY(-2px);
     box-shadow: var(--soft-shadow-1), var(--soft-shadow-2);
 }

/* Nav avatar improvements */
.nav-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center;
    border: 2px solid #ffffff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    background-color: #f0f2f5;
}

.shadow-elevated {
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08) !important;
}

 .navbar-toggler {
     border: none;
     padding: 0.25rem 0.5rem;
 }

 .navbar-toggler:focus {
     box-shadow: none;
 }

 .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2815, 23, 42, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
 }

 /* Enhanced Dashboard Styles */
 .dashboard-container {
    margin-top: calc(var(--header-height) + 0px);
    padding-bottom: var(--footer-height);
    padding-left: 1rem;
    padding-right: 1rem;
    max-width: 100%;
    overflow-x: hidden;
 }

 /* Responsive container padding */
 @media (max-width: 768px) {
    .dashboard-container {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
 }

 @media (max-width: 576px) {
    .dashboard-container {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
 }

/* Ensure navbar flex alignment to avoid wrapping onto content */
.navbar .container-fluid { 
    display: flex; 
    align-items: center; 
    gap: 0.75rem; 
    justify-content: space-between; 
    flex-wrap: nowrap;
    position: relative;
    overflow: visible;
    height: 100%;
}

.navbar .container-fluid .navbar-brand { 
    order: 1; 
    flex: 0 0 auto; 
    min-width: 0;
}

.navbar .container-fluid .navbar-collapse { 
    order: 2; 
    flex: 1 1 auto; 
    min-width: 0;
}

.navbar .container-fluid .navbar-right { 
    order: 3; 
    flex: 0 0 auto; 
    min-width: 0;
}

.navbar .container-fluid .navbar-toggler { 
    order: 4; 
    flex: 0 0 auto; 
    margin-left: 0.5rem; 
}

.nav-side-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.35);
    backdrop-filter: blur(2px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    z-index: 1054;
}
.nav-side-overlay.show {
    opacity: 1;
    pointer-events: auto;
}
.nav-side-panel {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(360px, 90vw);
    background: #ffffff;
    box-shadow: -20px 0 40px rgba(15, 23, 42, 0.18);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 1055;
    display: flex;
    flex-direction: column;
    border-left: 1px solid rgba(15, 23, 42, 0.08);
}
.nav-side-panel.show {
    transform: translateX(0);
}
.nav-side-panel-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(248, 250, 252, 0.9);
}
.nav-side-panel-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex-grow: 1;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}
.nav-panel-section + .nav-panel-section {
    margin-top: 1.5rem;
}
.nav-panel-list {
    margin: 0;
    padding: 0;
}
.nav-panel-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1rem;
    border-radius: 12px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    color: #0f172a;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
    margin-bottom: 0.75rem;
    background: #ffffff;
}
.nav-panel-link i {
    color: rgba(15, 23, 42, 0.4);
    transition: color 0.2s ease;
}
.nav-panel-link:hover,
.nav-panel-link.active {
    border-color: var(--primary-color);
    color: var(--primary-dark);
    box-shadow: 0 8px 20px rgba(13, 110, 253, 0.15);
    transform: translateX(4px);
}
.nav-panel-link:hover i,
.nav-panel-link.active i {
    color: var(--primary-color);
}
@media (max-width: 991px) {
    .nav-panel-link {
        padding: 0.75rem;
    }
}

.nav-panel-template {
    display: none !important;
}
.navbar .d-flex.align-items-center { 
    margin-left: 0; 
}

/* Ensure navbar dropdowns open directly below their toggles */
/* Use Bootstrap/Popper defaults for navbar dropdown positioning */

@media (max-width: 991px) {
    .navbar .container-fluid {
        gap: 0.5rem;
    }
    
    .navbar .container-fluid .navbar-collapse {
        order: 4;
        flex: 1 1 100%;
        width: 100%;
    }
    
    .navbar .container-fluid .navbar-right {
        order: 2;
    }
    
    .navbar .container-fluid .navbar-toggler {
        order: 3;
    }
}

/* Notification badge - Industry standard positioning */
/* Breadcrumb + toolbar responsive improvements */
.breadcrumb-container { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; flex-wrap: wrap; }
.breadcrumb-container .breadcrumb { margin: 0; flex: 1 1 auto; min-width: 180px; }
.action-toolbar { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.action-toolbar .btn { flex: 0 0 auto; }
@media (max-width: 576px) {
    .breadcrumb-container { padding: 0.5rem; border-radius: 12px; background: #fff; box-shadow: 0 6px 20px rgba(15,23,42,0.06); }
    .breadcrumb-container .breadcrumb { font-size: 0.9rem; }
    .action-toolbar { width: 100%; justify-content: flex-start; }
}

/* DataTables wrapper resilience on mobile */
.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter { display: flex; align-items: center; gap: 0.5rem; }
@media (max-width: 576px) {
    .dataTables_wrapper .row { display: block; }
    .dataTables_wrapper .dataTables_length,
    .dataTables_wrapper .dataTables_filter { width: 100%; justify-content: space-between; margin-bottom: 0.5rem; }
    .dataTables_wrapper .dataTables_length select { max-width: 140px; }
    .dataTables_wrapper .dataTables_filter label { display: flex; align-items: center; gap: 0.5rem; width: 100%; }
    .dataTables_wrapper .dataTables_filter input { flex: 1 1 auto; width: 100%; }
}

/* Table header filters — single consolidated rules */
table.table.data-table thead tr.filters th {
    padding-top: 0.35rem;
    padding-bottom: 0.35rem;
}
table.table.data-table thead tr.filters input.form-control.form-control-sm {
    min-width: 120px;
    width: 100%;
}
@media (max-width: 768px) {
    table.table.data-table thead tr.filters input.form-control.form-control-sm {
        min-width: 90px;
    }
}
@media (max-width: 576px) {
    table.table.data-table thead tr.filters input.form-control.form-control-sm {
        min-width: 72px;
    }
}
/* Table compact spacing */
.table-compact tbody td, .table-compact thead th { padding: 0.5rem 0.5rem; }
.table-compact .btn-table { padding: 0.15rem 0.35rem; }

/* Prefer horizontal scrolling over column hiding on small screens */
.dataTables_wrapper .dataTables_scrollBody { overflow-x: auto !important; }
/* Ensure header and body tables consume full available width */
.dataTables_wrapper .dataTables_scrollHeadInner,
.dataTables_wrapper .dataTables_scrollBody table {
    width: 100% !important;
    margin-left: 0 !important;
}
/* Allow wrapping if columns are too long to avoid excessive widths */
.dataTables_wrapper .dataTables_scrollBody table {
    white-space: normal;
}
.notification-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background: var(--danger-color);
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 0.7rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #ffffff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    line-height: 1;
    padding: 0;
}

.navbar-right .nav-link {
    position: relative;
    padding: 0.5rem 0.75rem !important;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.navbar-right .nav-link:hover {
    background: rgba(0,0,0,0.05);
}

.navbar-right .nav-link i {
    font-size: 1.1rem;
    color: rgba(0,0,0,0.7);
}

@media (max-width: 991px) {
    .notification-badge {
        width: 16px;
        height: 16px;
        font-size: 0.65rem;
        top: -1px;
        right: -1px;
        border-width: 1.5px;
    }
    
    .navbar-right .nav-link {
        min-width: 36px;
        height: 36px;
        padding: 0.4rem !important;
    }
    
    .navbar-right .nav-link i {
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .notification-badge {
        width: 14px;
        height: 14px;
        font-size: 0.6rem;
        top: 0px;
        right: 0px;
        border-width: 1px;
    }
    
    .navbar-right .nav-link {
        min-width: 32px;
        height: 32px;
        padding: 0.35rem !important;
    }
    
    .navbar-right .nav-link i {
        font-size: 0.9rem;
    }
}

/* Pin the right-side controls (notifications / user) so they don't get wrapped into collapse */
.navbar-right {
    position: relative;
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-left: auto;
    margin-right: 0.5rem;
}

@media (min-width: 992px) {
    .navbar-right {
        position: absolute;
        right: 0rem;
        top: 50%;
        transform: translateY(-50%);
        margin-left: 0;
        margin-right: 0;
        z-index: 11;

    }
    .navbar-right .nav-link{
        border-radius: 12px;
    }
    .navbar-right .navbar-nav .nav-item #notifDropdown{
        padding: 0px !important;
        height: 50px;
    }
    .navbar-right .navbar-nav .nav-item #notifDropdown span{
            top: 10px !important;
            left: 29px !important;
    }
}

/* When navbar is narrow, hide the username text to save space and keep avatar/icon visible */
@media (max-width: 991px) {
    .navbar-right {
        order: 2;
        margin-right: 0.5rem;
        gap: 0.4rem;
    }
    
    .navbar-toggler {
        order: 3;
        margin-left: 0.25rem;
        padding: 0.35rem 0.5rem;
        border-radius: 6px;
        transition: all 0.2s ease;
    }
    
    .navbar-toggler:hover {
        background: rgba(0,0,0,0.05);
    }
    
    .navbar-right .user-dropdown span { 
        display: none; 
    }
    
    .navbar-brand { 
        gap: 0.5rem; 
        flex: 0 0 auto;
        min-width: 0;
    }
    
    .navbar-brand img { 
        max-height: 36px; 
        width: auto;
    }
    
    .navbar-title { 
        display: none; 
    }
    
    .navbar-right .nav-item {
        margin: 0;
    }
    
    .navbar-right .user-dropdown img {
        width: 28px;
        height: 28px;
        margin: 0;
    }
    
    /* Compact dropdowns on mobile */
    .navbar .dropdown-menu {
        max-width: 280px;
        min-width: 180px;
        font-size: 0.9rem;
    }
    
    .navbar .dropdown-item {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
    }
    
    .user-dropdown .dropdown-menu {
        max-width: 200px;
        min-width: 180px;
    }
}

@media (max-width: 768px) {
    .navbar-right {
        gap: 0.3rem;
        margin-right: 0.4rem;
    }
    
    .navbar-toggler {
        padding: 0.3rem 0.45rem;
        margin-left: 0.2rem;
    }
    
    .navbar .dropdown-menu {
        max-width: 260px;
        min-width: 160px;
    }
    
    .user-dropdown .dropdown-menu {
        max-width: 180px;
        min-width: 160px;
    }
}

@media (max-width: 576px) {
    .navbar-right {
        gap: 0.25rem;
        margin-right: 0.25rem;
    }
    
    .navbar-toggler {
        padding: 0.25rem 0.4rem;
        margin-left: 0.15rem;
    }
    
    .navbar-right .user-dropdown img {
        width: 24px;
        height: 24px;
    }
    
    .navbar .dropdown-menu {
        max-width: 240px;
        min-width: 150px;
        font-size: 0.85rem;
    }
    
    .navbar .dropdown-item {
        padding: 0.45rem 0.65rem;
        font-size: 0.8rem;
    }
    
    .user-dropdown .dropdown-menu {
        max-width: 160px;
        min-width: 150px;
    }
    
    .navbar .dropdown-header {
        padding: 0.4rem 0.75rem;
        font-size: 0.7rem;
    }
}

/* Ensure the collapse area occupies full width under the navbar, not pushing right controls */
.navbar .collapse.navbar-collapse {
    order: 2;
    flex: 1 1 100%;
    position: relative;
    overflow: visible;
}

/* Prevent collapse animation from temporarily hiding background */
.navbar .collapse {
    background: #ffffff;
}

/* Ensure dropdowns are positioned absolutely and don't affect navbar height */
.navbar .dropdown {
    position: static;
}

.navbar .dropdown-menu {
    position: absolute !important;
    top: 100% !important;
    left: auto !important;
    /* right: 0 !important; */
    margin-top: 0.5rem !important;
    z-index: 1032 !important;
    transform: none !important;
    will-change: transform, opacity;
}

.navbar-right .dropdown-menu {
    position: absolute !important;
    top: 100% !important;
    left: auto !important;
    right: 0 !important;
    margin-top: 0.5rem !important;
    will-change: transform, opacity;
}

/* Ensure navbar-right dropdowns position correctly */
.navbar-right .nav-item.dropdown {
    position: relative;
    overflow: visible;
}

.navbar-right .dropdown-menu {
    right: 0 !important;
    left: auto !important;
}

/* Prevent navbar from expanding when dropdowns are open */
.navbar .container-fluid {
    overflow: visible !important;
}

.navbar .navbar-nav {
    overflow: visible;
}

/* Ensure dropdowns don't cause layout shift */
.navbar .dropdown-toggle::after {
    display: inline-block;
}

/* Fix for notification and user dropdowns specifically */
.navbar-right .nav-item {
    position: relative;
    overflow: visible;
}

.navbar-right .dropdown {
    position: relative;
    overflow: visible;
}

 .dashboard-header {
     display: flex;
     justify-content: space-between;
     align-items: center;
     margin-bottom: 1rem;
     flex-wrap: wrap;
     gap: 1rem;
 }

 .dashboard-title {
     font-weight: 700;
     color: var(--dark-color);
     margin: 0;
     position: relative;
     padding-bottom: 0.5rem;
 }

 .dashboard-title::after {
     content: '';
     position: absolute;
     bottom: 0;
     left: 0;
     width: 60px;
     height: 4px;
     background: linear-gradient(to right, var(--primary-color), #4a00e0);
     border-radius: 2px;
 }

 .dashboard-controls {
     display: flex;
     gap: 0.75rem;
 }

 .dashboard-controls .btn {
     border-radius: 8px;
     font-weight: 500;
     display: flex;
     align-items: center;
     gap: 0.5rem;
     transition: all 0.2s ease;
 }

 .dashboard-controls .btn:hover {
     transform: translateY(-2px);
     box-shadow: var(--shadow-medium);
 }

 /* Enhanced Card Styles */
 .card {
     border: none;
     border-radius: calc(var(--border-radius) - 2px);
     box-shadow: var(--soft-shadow-1);
     transition: all var(--transition-speed);
     overflow: hidden;
     height: 100%;
     background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(248,249,250,0.8));
 }

 .card:hover {
     transform: translateY(-5px);
     box-shadow: var(--shadow-heavy);
 }

.card-body {
    padding: 0.75rem;
}

 .card-title {
     font-weight: 600;
     margin-bottom: 0.75rem;
     color: var(--dark-color);
     font-size: 1.1rem;
 }

 .card-text {
     font-size: 2.5rem;
     font-weight: 700;
     margin: 0;
 }

 .card-icon {
     position: absolute;
     top: 1rem;
     right: 1rem;
     font-size: 2rem;
     opacity: 0.2;
 }

 /* Specific Card Color Styles */
 .text-bg-primary {
     background: linear-gradient(135deg, var(--primary-color), #4a00e0) !important;
     color: white;
 }

 .text-bg-success {
     background: linear-gradient(135deg, var(--success-color), #20c997) !important;
     color: white;
 }

 .text-bg-warning {
     background: linear-gradient(135deg, var(--warning-color), #fd7e14) !important;
     color: white;
 }

 .text-bg-danger {
     background: linear-gradient(135deg, var(--danger-color), #e83e8c) !important;
     color: white;
 }

 .text-bg-info {
     background: linear-gradient(135deg, #0dcaf0, #6f42c1) !important;
     color: white;
 }

 .text-bg-secondary {
     background: linear-gradient(135deg, var(--secondary-color), #6c757d) !important;
     color: white;
 }

 /* Responsive adjustments */
 @media (max-width: 768px) {
     .dashboard-header {
         flex-direction: column;
         align-items: flex-start;
     }

     .dashboard-controls {
         width: 100%;
         justify-content: flex-end;
     }

    /* Consolidated in max-width: 991px block */
 }

 /* Animation for page load */
 @keyframes fadeInUp {
     from {
         opacity: 0;
         transform: translateY(20px);
     }

     to {
         opacity: 1;
         transform: translateY(0);
     }
 }

 .dashboard-container .row>div {
     animation: fadeInUp 0.5s ease forwards;
 }

/* Slightly tighter spacing between dashboard cards */
.dashboard-container .row {
    gap: 0px;
    --bs-gutter-x:1rem !important;
    --bs-gutter-y:1rem !important;
}

/* Mobile navbar fixes: ensure contrast and readable collapsed menu - Industry Standard */
@media (max-width: 991px) {
    .navbar {
        background: #ffffff !important;
        box-shadow: 0 2px 8px rgba(16,24,40,0.08);
        padding: 0.5rem 0.75rem;
    }

    .navbar-brand img {
        max-width: 40px;
        height: auto;
        border-radius: 8px;
    }

    /* Ensure the toggler icon is dark on light background */
    .navbar-toggler {
        border: 1px solid rgba(0,0,0,0.1);
        border-radius: 6px;
    }
    
    .navbar-toggler-icon {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23000' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        width: 1.2em;
        height: 1.2em;
    }

    /* When collapsed (show), make menu panel readable - Industry Standard */
    .navbar-collapse.show {
        background: #ffffff;
        padding: 0.5rem 0;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        margin-top: 0.75rem;
        z-index: 1031;
        border: 1px solid rgba(0,0,0,0.05);
        max-height: calc(100vh - 80px);
        overflow-y: auto;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        width: 100%;
    }

    /* Prevent a flash of transparent background while collapsing/expanding */
    .navbar-collapse,
    .navbar-collapse.collapsing {
        background: #ffffff !important;
        transition: all 0.3s ease !important;
        z-index: 1031;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        width: 100%;
    }
    
    /* Ensure navbar doesn't expand when collapse is shown */
    .navbar {
        height: var(--header-height) !important;
        min-height: var(--header-height) !important;
        max-height: var(--header-height) !important;
    }
    
    /* Ensure container-fluid doesn't expand navbar */
    .navbar .container-fluid {
        height: 100%;
        max-height: var(--header-height);
        overflow: visible;
    }

    /* Improve contrast of nav links against white background */
    .navbar-nav .nav-link {
        color: rgba(0,0,0,0.85) !important;
        padding: 0.6rem 1rem !important;
        border-radius: 6px;
        margin: 0.15rem 0.5rem;
    }
    
    .navbar-nav .nav-link:hover {
        background: rgba(13, 110, 253, 0.08) !important;
        color: var(--primary-color) !important;
    }
    
    /* Nested dropdowns in mobile menu */
    .navbar-collapse .dropdown-menu {
        position: static !important;
        float: none;
        width: auto;
        margin-top: 0;
        background-color: rgba(248,249,250,0.8);
        border: none;
        box-shadow: none;
        border-radius: 6px;
        padding: 0.25rem 0;
        margin-left: 1rem;
        margin-right: 1rem;
    }
    
    .navbar-collapse .dropdown-item {
        padding: 0.5rem 1.5rem;
        font-size: 0.9rem;
    }
    
    /* Ensure dropdowns appear above navbar but below modals */
    /* Scoped dropdown menu styling for right cluster to avoid global conflicts */
    .navbar-right .dropdown-menu {
        z-index: 1032 !important;
        max-width: 320px;
        min-width: 200px;
        margin-top: 0.5rem !important;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        border: 1px solid rgba(0,0,0,0.08);
        padding: 0.5rem 0;
        position: absolute !important;
        top: 100% !important;
        left: auto !important;
        right: 0 !important;
    }
    
    /* Ensure dropdown parent doesn't affect navbar height */
    .navbar-right .nav-item.dropdown {
        position: relative;
        overflow: visible;
    }
    
    .navbar-right .dropdown-header {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        color: #6c757d;
        border-bottom: 1px solid rgba(0,0,0,0.05);
    }
    
    .navbar-right .dropdown-item {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
        transition: all 0.2s ease;
    }
    
    .navbar-right .dropdown-item:hover {
        background: rgba(13, 110, 253, 0.08);
    }
    
    .navbar-right .dropdown-divider {
        margin: 0.5rem 0;
    }
    
    /* Notification dropdown specific styling */
    #notificationDropdown + .dropdown-menu {
        max-height: 400px;
        overflow-y: auto;
        padding: 0;
    }
    
    #notificationDropdown + .dropdown-menu .dropdown-item {
        padding: 0.75rem 1rem;
        border-bottom: 1px solid rgba(0,0,0,0.05);
        white-space: normal;
        word-wrap: break-word;
    }
    
    #notificationDropdown + .dropdown-menu .dropdown-item:last-child {
        border-bottom: none;
    }
    
    #notificationDropdown + .dropdown-menu .dropdown-item:hover {
        background: rgba(13, 110, 253, 0.08);
    }
    
    /* Scrollbar for notification dropdown */
    #notificationDropdown + .dropdown-menu::-webkit-scrollbar {
        width: 6px;
    }
    
    #notificationDropdown + .dropdown-menu::-webkit-scrollbar-thumb {
        background: rgba(0,0,0,0.2);
        border-radius: 3px;
    }
    
    #notificationDropdown + .dropdown-menu::-webkit-scrollbar-track {
        background: rgba(0,0,0,0.05);
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 0.4rem 0.5rem;
    }
    
    .navbar-collapse.show {
        margin-top: 0.5rem;
        max-height: calc(100vh - 70px);
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
    }
    
    .navbar-collapse.collapsing {
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
    }
    
    /* Consolidated nav-link sizing in max-width: 991px block */
    
    /* Compact notification dropdown on tablet */
    #notificationDropdown + .dropdown-menu {
        max-height: 350px;
        max-width: 300px;
    }
}

@media (max-width: 576px) {
    .navbar {
        padding: 0.35rem 0.4rem;
    }
    
    .navbar-collapse.show {
        margin-top: 0.4rem;
        max-height: calc(100vh - 65px);
        padding: 0.4rem 0;
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
    }
    
    .navbar-collapse.collapsing {
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
    }
    
    /* Consolidated nav-link sizing in max-width: 991px block */
    
    .navbar-collapse .dropdown-menu {
        margin-left: 0.8rem;
        margin-right: 0.8rem;
    }
    
    .navbar-collapse .dropdown-item {
        padding: 0.45rem 1.2rem;
        font-size: 0.85rem;
    }
    
    /* Compact notification dropdown on mobile */
    #notificationDropdown + .dropdown-menu {
        max-height: 300px;
        max-width: 280px;
    }
    
    #notificationDropdown + .dropdown-menu .dropdown-item {
        padding: 0.6rem 0.9rem;
        font-size: 0.85rem;
    }
}

/* Branch card small styles and summary tweaks */
.branch-card .card-body.small { padding: .5rem; }
.branch-list::-webkit-scrollbar { height: 8px; }
.branch-list::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border-radius: 6px; }
.branch-card h6 { margin: 0; }
.summary-row .card { height: 100%; }
.summary-row .card .card-text { font-size: 1.6rem; margin-top: .25rem; }

/* Summary cards responsive improvements */
.summary-card {
    transition: all 0.3s ease;
    min-height: 120px;
}

.summary-card .card-icon {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 2.5rem;
    opacity: 0.15;
    transition: all 0.3s ease;
}

.summary-card:hover .card-icon {
    opacity: 0.25;
    transform: scale(1.1);
}

.summary-card .card-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.summary-card .card-text {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
}

@media (max-width: 768px) {
    .summary-card {
        min-height: 100px;
    }
    
    .summary-card .card-text {
        font-size: 1.5rem;
    }
    
    .summary-card .card-icon {
        font-size: 2rem;
        top: 0.75rem;
        right: 0.75rem;
    }
    
    .summary-card .card-title {
        font-size: 0.8rem;
    }
}

@media (max-width: 576px) {
    .summary-card {
        min-height: 90px;
    }
    
    .summary-card .card-text {
        font-size: 1.3rem;
    }
    
    .summary-card .card-icon {
        font-size: 1.5rem;
        top: 0.5rem;
        right: 0.5rem;
    }
    
    .summary-card .card-body {
        padding: 0.75rem !important;
    }
}

/* Expanded grid view for branch list */
.branch-list.grid { display:flex; flex-wrap:wrap; overflow-x:visible; }
.branch-list.grid .branch-card { flex: 1 0 22%; min-width: 180px; }
.branch-list.compact .branch-card { min-width:220px; }

/* Branch cards responsive */
.branch-card {
    transition: all 0.3s ease;
    border: 1px solid rgba(0,0,0,0.08) !important;
}

.branch-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12) !important;
}

.branch-name {
    word-break: break-word;
}

.branch-address {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.branch-actions .btn {
    font-size: 0.75rem;
    padding: 0.35rem 0.5rem;
    white-space: nowrap;
}

@media (max-width: 992px) {
    .branch-list.compact .branch-card { 
        min-width: 200px; 
    }
    
    .branch-actions .btn span {
        display: none !important;
    }
}

@media (max-width: 768px) {
    .branch-list.compact .branch-card { 
        min-width: 180px; 
    }
    
    .branch-card .card-body {
        padding: 0.75rem !important;
    }
    
    .branch-student-count {
        font-size: 1rem !important;
    }
    
    .section-title {
        font-size: 1.1rem;
    }
}

@media (max-width: 576px) {
    .branch-list.compact .branch-card { 
        min-width: 160px; 
    }
    
    .branch-card .card-body {
        padding: 0.5rem !important;
    }
    
    .branch-name {
        font-size: 0.85rem !important;
    }
    
    .branch-address {
        font-size: 0.7rem !important;
    }
}

/* Increase dashboard calendar minimum height so it shows more content */
#dashboard-calendar {
    min-height: 600px;
}

.calendar-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.reminders-wrapper {
    max-height: 500px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.reminders-wrapper::-webkit-scrollbar {
    width: 6px;
}

.reminders-wrapper::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,0.15);
    border-radius: 3px;
}

/* Calendar and Reminders responsive */
@media (max-width: 992px) {
    #dashboard-calendar {
        min-height: 500px;
    }
    
    .reminders-wrapper {
        max-height: 400px;
    }
}

@media (max-width: 768px) {
    #dashboard-calendar {
        min-height: 450px;
    }
    
    .reminders-wrapper {
        max-height: 350px;
    }
    
    /* FullCalendar responsive adjustments */
    .fc-header-toolbar {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .fc-toolbar-chunk {
        display: flex;
        flex-wrap: wrap;
        gap: 0.25rem;
    }
    
    .fc-button {
        padding: 0.25rem 0.5rem;
        font-size: 0.85rem;
    }
    
    .fc-toolbar-title {
        font-size: 1.2rem !important;
    }
}

@media (max-width: 576px) {
    #dashboard-calendar {
        min-height: 400px;
    }
    
    .reminders-wrapper {
        max-height: 300px;
    }
    
    .fc-button {
        padding: 0.2rem 0.4rem;
        font-size: 0.75rem;
    }
    
    .fc-toolbar-title {
        font-size: 1rem !important;
    }
    
    .fc-daygrid-day {
        font-size: 0.75rem;
    }
}

 .dashboard-container .row>div:nth-child(1) {
     animation-delay: 0.1s;
 }

 .dashboard-container .row>div:nth-child(2) {
     animation-delay: 0.2s;
 }

 .dashboard-container .row>div:nth-child(3) {
     animation-delay: 0.3s;
 }

 .dashboard-container .row>div:nth-child(4) {
     animation-delay: 0.4s;
 }

 .dashboard-container .row>div:nth-child(5) {
     animation-delay: 0.5s;
 }

 .dashboard-container .row>div:nth-child(6) {
     animation-delay: 0.6s;
 }

 /* Notification badge */
 .notification-badge {
     position: absolute;
     top: -5px;
     right: -5px;
     background: var(--danger-color);
     color: white;
     border-radius: 50%;
     width: 18px;
     height: 18px;
     font-size: 0.7rem;
     display: flex;
     align-items: center;
     justify-content: center;
 }

 /* Search box in navbar */
 .navbar-search {
     max-width: 300px;
     margin-right: 1rem;
 }

 .navbar-search .form-control {
     border-radius: 20px;
     border: none;
     padding-left: 2rem;
     background: rgba(255, 255, 255, 0.15);
     color: white;
 }

 .navbar-search .form-control::placeholder {
     color: rgba(255, 255, 255, 0.7);
 }

 .navbar-search .search-icon {
     position: absolute;
     left: 0.75rem;
     top: 50%;
     transform: translateY(-50%);
     color: rgba(255, 255, 255, 0.7);
 }

 /* User dropdown - Industry standard */
 .user-dropdown .dropdown-toggle {
     background: transparent;
     border: none;
     color: rgba(0,0,0,0.7);
     display: flex;
     align-items: center;
     gap: 0.5rem;
     padding: 0.4rem 0.6rem;
     border-radius: 20px;
     transition: all 0.2s ease;
     min-width: auto;
     height: auto;
 }

 .user-dropdown .dropdown-toggle:hover {
     background: rgba(0,0,0,0.05);
 }

 .user-dropdown .dropdown-menu {
     border: 1px solid rgba(0,0,0,0.08);
     box-shadow: 0 4px 12px rgba(0,0,0,0.15);
     border-radius: 8px;
     padding: 0.5rem 0;
     min-width: 200px;
     max-width: 250px;
     margin-top: 0.5rem;
 }
 
 .user-dropdown .dropdown-menu .dropdown-item {
     padding: 0.6rem 1rem;
     font-size: 0.9rem;
     display: flex;
     align-items: center;
     gap: 0.75rem;
     transition: all 0.2s ease;
     border-radius: 0;
 }
 
 .user-dropdown .dropdown-menu .dropdown-item i {
     width: 18px;
     text-align: center;
     color: #6c757d;
 }
 
 .user-dropdown .dropdown-menu .dropdown-item:hover {
     background: rgba(13, 110, 253, 0.08);
     color: var(--primary-color);
 }
 
 .user-dropdown .dropdown-menu .dropdown-item:hover i {
     color: var(--primary-color);
 }
 
 .user-dropdown .dropdown-menu .dropdown-divider {
     margin: 0.5rem 0;
 }
/* Uniform modal and grid styles for consistent UI */
.modal { z-index: 1055 !important; }
.modal-backdrop { z-index: 1050 !important; }
.modal .modal-dialog { max-width: 980px; z-index: 1056 !important; }
.modal .modal-content { border-radius: 12px; box-shadow: var(--soft-shadow-1); }
.modal .modal-header { padding: 0.8rem 1rem; border-bottom: 1px solid rgba(0,0,0,0.05); }
.modal .modal-body { padding: 1rem; }
.modal .modal-footer { padding: 0.75rem 1rem; border-top: 1px solid rgba(0,0,0,0.03); }

/* Uniform table/grid style */
.table.data-table { border-collapse: collapse; }
.table.data-table th, .table.data-table td { vertical-align: middle; padding: 0.6rem; }
.advanced-table-container .table-responsive { border-radius: 10px; overflow: hidden; box-shadow: var(--soft-shadow-1); background: white; }

/* Make modal inputs full width and consistent spacing */
.modal .form-control { border-radius: 8px; }
.modal .form-label { font-weight: 600; }

 .user-dropdown .dropdown-item {
     border-radius: 6px;
     padding: 0.5rem 1rem;
     display: flex;
     align-items: center;
     gap: 0.5rem;
     transition: all 0.2s ease;
 }

 .user-dropdown .dropdown-item:hover {
     background: rgba(13, 110, 253, 0.1);
 }

 /* Footer */
.footer {
    background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(248,249,250,0.95));
    padding: 1rem 0 1rem 0;
    box-shadow: 0 -6px 20px rgba(16,24,40,0.04);
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100vw;
    text-align: center;
    z-index: 1000;
}

.footer .container-fluid {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
}

.footer .text-muted {
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .footer {
        padding: 0.75rem 0;
    }
    
    .footer .text-muted {
        font-size: 0.85rem;
    }
    
    .footer .container-fluid {
        padding-left: 0.75rem !important;
        padding-right: 0.75rem !important;
    }
}

@media (max-width: 576px) {
    .footer {
        padding: 0.5rem 0;
    }
    
    .footer .text-muted {
        font-size: 0.8rem;
    }
    
    .footer .container-fluid {
        padding-left: 0.5rem !important;
        padding-right: 0.5rem !important;
    }
}

 /* Reusable Table Styles */
 .advanced-table-container {
     background: white;
     border-radius: var(--border-radius);
     box-shadow: var(--soft-shadow-1), var(--soft-shadow-2);
     overflow: hidden;
     margin-bottom: 2rem;
 }

/* Modern card header for table */
.advanced-table-container .table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(0,0,0,0.04);
    background: linear-gradient(90deg, rgba(13,110,253,0.03), rgba(111,66,193,0.02));
}

 .table-controls {
     padding: 10px;
     border-bottom: 1px solid #dee2e6;
     background: var(--light-color);
 }

 .table-header {
     display: flex;
     justify-content: space-between;
     align-items: center;
     flex-wrap: wrap;
     gap: 0.5rem;
     padding: 0.75rem 1rem;
     background: linear-gradient(180deg, rgba(255,255,255,0.6), rgba(248,249,250,0.6));
     border-bottom: 1px solid rgba(0,0,0,0.04);
}

 .search-box {
     position: relative;
     max-width: 300px;
 }

 .search-box .form-control {
     padding-left: 2.5rem;
     border-radius: 12px;
     border: 1px solid rgba(16,24,40,0.06);
     background: var(--glass-bg);
     box-shadow: var(--soft-shadow-2) inset;
     transition: var(--transition);
 }

 .search-box .form-control:focus {
     box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
     border-color: var(--primary-color);
 }

 .search-icon {
     position: absolute;
     left: 1rem;
     top: 50%;
     transform: translateY(-50%);
     color: #6c757d;
 }

 .action-buttons {
     display: flex;
     gap: 0.5rem;
     flex-wrap: wrap;
 }

 .btn-action {
     border-radius: 6px;
     font-weight: 500;
     display: flex;
     align-items: center;
     gap: 0.5rem;
     transition: var(--transition);
 }

.btn-action {
    padding: 0.45rem 0.7rem;
    background: linear-gradient(180deg, #ffffff, #f4f6fb);
    color: var(--primary-dark);
    border: 1px solid rgba(16,24,40,0.06);
    box-shadow: var(--soft-shadow-1);
}

.btn-action i { opacity: 0.95; }

.btn-action.btn-secondary { background: linear-gradient(90deg, #6c757d, #565e64); }
.btn-action.btn-info { background: linear-gradient(90deg, #0dcaf0, #6f42c1); }
.btn-action.btn-success { background: linear-gradient(90deg, #198754, #1e7e34); }

/* Ensure button hover contrast */
.btn-action:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(16,24,40,0.08);
    background: var(--primary-color) !important;
    color: #fff !important;
}

 /* Table Styles */
 .table-responsive {
     border-radius: 0 0 var(--border-radius) var(--border-radius);
 }

 .data-table {
     margin: 0;
     border-collapse: separate;
     border-spacing: 0;
 }

 .data-table thead th {
     background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(248,249,250,0.98));
     color: rgba(16,24,40,0.9);
     border: 1px solid rgba(16,24,40,0.04);
    padding: 8px 10px;
     font-weight: 700;
     position: sticky;
     top: 0;
 }

 .data-table tbody tr {
     transition: var(--transition);
 }

 .data-table tbody tr:hover {
     background-color: rgba(13, 110, 253, 0.03);
     transform: translateY(-2px);
 }

 .data-table tbody td {
     padding: 6px 8px; /* compact cells */
     border-bottom: 1px solid #e9ecef;
     vertical-align: middle;
     font-size: 0.95rem;
 }

/* compact table utility */
.table-compact .data-table tbody td { padding: 4px 4px; }
.table-compact .data-table thead th { padding: 4px 4px; }

/* modern row hover: subtle lift without layout shift */
.data-table tbody tr { transition: box-shadow 0.18s ease, background-color 0.12s ease; }
.data-table tbody tr:hover { box-shadow: 0 6px 18px rgba(13,110,253,0.06); background-color: rgba(13,110,253,0.03); }

/* make action icon buttons cleaner */
 .table-actions .btn-table { background: transparent; border: 1px solid rgba(16,24,40,0.04); padding: 0.25rem 0.5rem; border-radius: 8px; }
 .table-actions .btn-table i { color: rgba(16,24,40,0.9); }

/* DataTables Buttons custom styling */
.dt-button { border-radius: 6px; padding: 0.4rem 0.6rem; margin-right: 6px; background: #ffffff; border: 1px solid #e9ecef; color: #333; }
.dt-button:hover { background: #f8f9fb; box-shadow: var(--shadow-light); }

/* DataTables wrapper responsive */
.dataTables_wrapper {
    width: 100%;
    overflow-x: auto;
}

.dataTables_wrapper .dataTables_scroll {
    overflow-x: auto;
}

/* Ensure DataTables doesn't break on mobile */
@media (max-width: 768px) {
    .dataTables_wrapper .dataTables_scrollBody {
        overflow-x: visible !important;
    }
    
    /* Hide fixed header on mobile for better UX */
    .dataTables_wrapper .fixedHeader-floating {
        display: none !important;
    }
    
    /* Make DataTables controls stack */
    .dataTables_wrapper .dataTables_length,
    .dataTables_wrapper .dataTables_filter {
        float: none !important;
        text-align: left;
        margin-bottom: 0.75rem;
    }
    
    .dataTables_wrapper .dataTables_info {
        float: none !important;
        text-align: center;
        margin-bottom: 0.5rem;
    }
    
    .dataTables_wrapper .dataTables_paginate {
        float: none !important;
        text-align: center;
        margin-top: 0.5rem;
    }
}

@media (max-width: 768px) {
    .advanced-table-container .table-header { flex-direction: column; gap: 0.5rem; }
    .action-buttons.d-none.d-md-flex { display: flex !important; gap: 0.5rem; }
    .btn-action { padding: 0.35rem 0.5rem; font-size: 0.85rem; }
}

/* make header a bit more elevated and compact */
.data-table thead th {
    background: linear-gradient(180deg, #ffffff, #f8f9fb);
    box-shadow: 0 1px 0 rgba(0,0,0,0.02) inset;
}

 /* Status Badges */
 .status-badge {
     padding: 0.35rem 0.75rem;
     border-radius: 20px;
     font-size: 0.875rem;
     font-weight: 500;
 }

 .status-active {
     background: rgba(25, 135, 84, 0.1);
     color: var(--success-color);
     border: 1px solid var(--success-color);
 }

 .status-inactive {
     background: rgba(220, 53, 69, 0.1);
     color: var(--danger-color);
     border: 1px solid var(--danger-color);
 }

 /* Action Buttons in Table */
 .table-actions {
     display: flex;
     gap: 0.25rem;
     justify-content: center;
 }

 .btn-table {
     padding: 0.375rem 0.75rem;
     border-radius: 4px;
     font-size: 0.875rem;
     transition: var(--transition);
 }

 .btn-table:hover {
     transform: scale(1.05);
 }

 /* Pagination */
 .pagination-container {
     padding: 1rem 1.5rem;
     border-top: 1px solid #dee2e6;
     background: var(--light-color);
     display: flex;
     justify-content: space-between;
     align-items: center;
     flex-wrap: wrap;
     gap: 1rem;
 }

 .pagination-info {
     color: #6c757d;
     font-size: 0.9rem;
 }

 .pagination .page-link {
     border-radius: 6px;
     margin: 0 2px;
     border: 1px solid #dee2e6;
     color: var(--primary-color);
     transition: var(--transition);
 }

 .pagination .page-item.active .page-link {
     background: var(--primary-color);
     border-color: var(--primary-color);
     color: white;
 }

 .pagination .page-link:hover {
     background: var(--primary-color);
     color: white;
     border-color: var(--primary-color);
 }

 /* Breadcrumbs */
 .breadcrumb-container {
     background: white;
     /* border-radius: var(--border-radius); */
     box-shadow: var(--shadow-light);
     padding: 0.75rem 1rem;
     /* margin-bottom: 1.5rem; */
     margin-bottom: 1rem;
 }

 .breadcrumb {
     margin: 0;
     background: transparent;
     padding: 0;
     font-size: 0.9rem;
 }

 .breadcrumb-item {
     display: flex;
     align-items: center;
 }

 .breadcrumb-item a {
     color: var(--primary-color);
     text-decoration: none;
     transition: var(--transition);
     display: flex;
     align-items: center;
     gap: 0.25rem;
 }

 .breadcrumb-item a:hover {
     color: var(--primary-dark);
     text-decoration: underline;
 }

 .breadcrumb-item.active {
     color: #6c757d;
     display: flex;
     align-items: center;
     gap: 0.25rem;
 }

 .breadcrumb-item + .breadcrumb-item::before {
     content: var(--bs-breadcrumb-divider, "/");
     padding: 0 0.5rem;
     color: #6c757d;
 }

 @media (max-width: 768px) {
     .breadcrumb-container {
         padding: 0.5rem 0.75rem;
     }
     
     .breadcrumb {
         font-size: 0.85rem;
     }
     
     .breadcrumb-item + .breadcrumb-item::before {
         padding: 0 0.35rem;
     }
 }

 @media (max-width: 576px) {
     .breadcrumb-container {
         padding: 0.5rem;
     }
     
     .breadcrumb {
         font-size: 0.8rem;
     }
     
     .breadcrumb-item i {
         font-size: 0.85rem;
     }
 }

 /* Empty State */
 .empty-state {
     text-align: center;
     padding: 3rem 2rem;
     color: #6c757d;
 }

 .empty-state i {
     font-size: 2.5rem;
     margin-bottom: 0.75rem;
     color: rgba(16,24,40,0.06);
 }

 /* Loading State */
 .loading-overlay {
     position: absolute;
     top: 0;
     left: 0;
     right: 0;
     bottom: 0;
     background: rgba(255, 255, 255, 0.9);
     display: flex;
     align-items: center;
     justify-content: center;
     z-index: 10;
     border-radius: var(--border-radius);
 }

 .spinner {
     width: 3rem;
     height: 3rem;
 }

 /* Responsive */
 @media (max-width: 768px) {
     .table-header {
         flex-direction: column;
         align-items: stretch;
     }

     .search-box {
         max-width: 100%;
     }

     .action-buttons {
         justify-content: center;
     }

     .pagination-container {
         flex-direction: column;
         text-align: center;
     }

     .table-actions {
         flex-direction: column;
     }
 }

/* DataTables Responsive Styles */
.dtr-details {
    list-style: none;
    padding: 0.5rem 0;
    margin: 0;
}

.dtr-details li {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dtr-details li:last-child {
    border-bottom: none;
}

.dtr-title {
    font-weight: 600;
    color: #6c757d;
    margin-right: 1rem;
    flex: 0 0 40%;
}

.dtr-data {
    flex: 1;
    text-align: right;
    word-break: break-word;
}

/* DataTables responsive child row styling */
table.dataTable.dtr-inline.collapsed > tbody > tr > td.child,
table.dataTable.dtr-inline.collapsed > tbody > tr > th.child,
table.dataTable.dtr-inline.collapsed > tbody > tr > td.dataTables_empty {
    cursor: default !important;
}

table.dataTable.dtr-inline.collapsed > tbody > tr > td.child:before,
table.dataTable.dtr-inline.collapsed > tbody > tr > th.child:before,
table.dataTable.dtr-inline.collapsed > tbody > tr > td.dataTables_empty:before {
    display: none !important;
}

table.dataTable.dtr-inline.collapsed > tbody > tr[role="row"] > td:first-child:before,
table.dataTable.dtr-inline.collapsed > tbody > tr[role="row"] > th:first-child:before {
    top: 50%;
    transform: translateY(-50%);
    left: 0.5rem;
    background-color: var(--primary-color);
    border: 2px solid #ffffff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

table.dataTable.dtr-inline.collapsed > tbody > tr.parent > td:first-child:before,
table.dataTable.dtr-inline.collapsed > tbody > tr.parent > th:first-child:before {
    background-color: var(--success-color);
}

/* Mobile responsive table improvements */
@media (max-width: 768px) {
    /* DataTables responsive controls */
    .dataTables_wrapper .dataTables_length,
    .dataTables_wrapper .dataTables_filter {
        margin-bottom: 0.75rem;
    }
    
    .dataTables_wrapper .dataTables_length select,
    .dataTables_wrapper .dataTables_filter input {
        font-size: 0.9rem;
        padding: 0.4rem 0.6rem;
    }
    
    /* DataTables pagination responsive */
    .dataTables_wrapper .dataTables_paginate {
        margin-top: 0.75rem;
    }
    
    .dataTables_wrapper .dataTables_paginate .paginate_button {
        padding: 0.35rem 0.6rem;
        font-size: 0.85rem;
        margin: 0 0.15rem;
    }
    
    /* Table responsive child row */
    table.dataTable.dtr-inline.collapsed > tbody > tr > td.child,
    table.dataTable.dtr-inline.collapsed > tbody > tr > th.child {
        padding: 0.75rem !important;
        background: rgba(248,249,250,0.8);
    }
    
    .dtr-details {
        padding: 0.25rem 0;
    }
    
    .dtr-details li {
        padding: 0.4rem 0.6rem;
        font-size: 0.9rem;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .dtr-title {
        margin-bottom: 0.25rem;
        margin-right: 0;
        flex: 0 0 100%;
        font-size: 0.85rem;
    }
    
    .dtr-data {
        text-align: left;
        width: 100%;
    }
    
    /* Hide fixed header on mobile */
    .dataTables_wrapper .fixedHeader-floating {
        display: none !important;
    }
    
    /* Table actions in responsive mode */
    .dtr-details .table-actions {
        width: 100%;
        justify-content: flex-start;
        margin-top: 0.5rem;
        gap: 0.5rem;
    }
    
    .dtr-details .table-actions .btn-table {
        min-width: 36px;
        padding: 0.35rem 0.5rem;
    }
}

@media (max-width: 576px) {
    /* DataTables controls stack on very small screens */
    .dataTables_wrapper .dataTables_length,
    .dataTables_wrapper .dataTables_filter {
        width: 50%;
        text-align: left;
        /* margin-bottom: 0.5rem; */
    }
    
    .dataTables_wrapper .dataTables_length label,
    .dataTables_wrapper .dataTables_filter label {
        display: flex;
        flex-direction: row;
        gap: 0.25rem;
        width: 100%;
        justify-content: flex-start;
        align-items: center;
    }
    .dataTables_wrapper .dataTables_length select{
        width: 55px !important;
        padding: 5px !important;
    }
    
    .dataTables_wrapper .dataTables_length select,
    .dataTables_wrapper .dataTables_filter input {
        width: 100%;
        max-width: 100%;
    }
    
    /* Pagination on mobile */
    .dataTables_wrapper .dataTables_paginate {
        width: 100%;
        text-align: center;
    }
    
    .dataTables_wrapper .dataTables_paginate .paginate_button {
        padding: 0.3rem 0.5rem;
        font-size: 0.8rem;
        margin: 0 0.1rem;
    }
    
    /* Smaller child row details */
    .dtr-details li {
        padding: 0.35rem 0.5rem;
        font-size: 0.85rem;
    }
    
    .dtr-title {
        font-size: 0.8rem;
    }
    
    table.dataTable.dtr-inline.collapsed > tbody > tr[role="row"] > td:first-child:before,
    table.dataTable.dtr-inline.collapsed > tbody > tr[role="row"] > th:first-child:before {
        left: 0.25rem;
        width: 18px;
        height: 18px;
        font-size: 0.7rem;
        line-height: 14px;
    }
    .table-actions{
        flex-direction: row;
    }
}

/* Additional DataTables responsive improvements */
table.dataTable.dtr-inline.collapsed > tbody > tr > td:first-child,
table.dataTable.dtr-inline.collapsed > tbody > tr > th:first-child {
    position: relative;
    padding-left: 2rem !important;
}

/* Ensure child rows are properly styled */
table.dataTable.dtr-inline.collapsed > tbody > tr > td.child {
    white-space: normal;
    padding: 0.75rem !important;
    background: rgba(248,249,250,0.9);
}

table.dataTable.dtr-inline.collapsed > tbody > tr.parent > td.child {
    background: rgba(248,249,250,0.95);
}

/* Better spacing for responsive details */
.dtr-details {
    width: 100%;
}

.dtr-details .dtr-title {
    display: inline-block;
    min-width: 30%;
    font-weight: 600;
    color: #495057;
}

.dtr-details .dtr-data {
    display: inline-block;
    word-break: break-word;
}

/* Status badges in responsive mode */
.dtr-details .status-badge {
    display: inline-block;
    margin-top: 0.25rem;
}

/* Action buttons in responsive details */
.dtr-details .table-actions {
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(0,0,0,0.1);
}

/* Ensure table doesn't overflow on mobile */
@media (max-width: 768px) {
    .advanced-table-container {
        overflow: visible;
    }
    
    .table-responsive {
        overflow: visible;
    }
    
    /* Make sure DataTables doesn't create horizontal scroll */
    .dataTables_wrapper {
        overflow-x: visible;
    }
    
    table.dataTable {
        width: 100% !important;
        margin: 0 !important;
    }
}

/* Prevent layout shift when modals or dynamic content toggle scrollbars */
html {
    /* keep space for scrollbar to avoid content jumping in modern browsers */
    scrollbar-gutter: stable both-edges;
}
body {
    /* Always reserve vertical scrollbar space to avoid page shake when content changes */
    overflow-y: scroll;
}

/* Login page specific styles */
.login-brand { text-align: center; margin-top: 1.5rem; }
.login-logo { max-width: 140px; height: auto; display: inline-block; border-radius: 8px; box-shadow: var(--soft-shadow-1); }
.login-card { margin-top: 0.5rem; border-radius: 12px; box-shadow: 0 10px 30px rgba(16,24,40,0.06); }
@media (max-width: 576px) {
    .login-logo { max-width: 110px; }
    .login-card { margin: 0 1rem; }
}

 .login-card .card-title { font-weight: 700; color: var(--dark-color); }

/* Course cards responsive */
.course-card-item {
    transition: all 0.3s ease;
    background: linear-gradient(180deg, rgba(255,255,255,0.95), rgba(248,249,250,0.9));
}

.course-card-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.1);
    border-color: var(--primary-color) !important;
}

.course-title {
    font-size: 0.95rem;
    line-height: 1.4;
    word-break: break-word;
}

@media (max-width: 768px) {
    .course-card-item {
        padding: 0.75rem !important;
    }
    
    .course-title {
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .course-card-item {
        padding: 0.6rem !important;
    }
    
    .course-title {
        font-size: 0.85rem;
    }
}

/* General responsive improvements */
@media (max-width: 1200px) {
    .container-fluid {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

@media (max-width: 768px) {
    .card-body {
        padding: 1rem !important;
    }
    
    .card-title {
        font-size: 1rem;
    }
    
    h5.card-title {
        font-size: 1.1rem;
    }
    
    h6.card-title {
        font-size: 0.95rem;
    }
}

@media (max-width: 576px) {
    .card-body {
        padding: 0.75rem !important;
    }
    
    .card-title {
        font-size: 0.95rem;
    }
    
    h5.card-title {
        font-size: 1rem;
    }
    
    h6.card-title {
        font-size: 0.9rem;
    }
    
    .btn-sm {
        padding: 0.25rem 0.5rem;
        font-size: 0.8rem;
    }
}

/* Improve spacing on mobile */
@media (max-width: 768px) {
    .row {
        --bs-gutter-x: 0.75rem;
        --bs-gutter-y: 0.75rem;
    }
    
    .mt-3 {
        margin-top: 1rem !important;
    }
    
    .mb-3 {
        margin-bottom: 1rem !important;
    }
    
    /* Grid responsive improvements */
    .row.g-4 {
        --bs-gutter-x: 1rem;
        --bs-gutter-y: 1rem;
    }
    
    /* Settings page grid cards */
    .col-md-3 {
        margin-bottom: 1rem;
    }
    
    /* Settings page card responsive */
    .card.text-bg-primary,
    .card.text-bg-success,
    .card.text-bg-warning,
    .card.text-bg-info,
    .card.text-bg-secondary,
    .card.text-bg-danger,
    .card.text-bg-dark,
    .card.text-bg-light {
        min-height: 180px;
    }
    
    .card .fa-2x {
        font-size: 1.5rem !important;
    }
    
    .card h5.card-title {
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .row {
        --bs-gutter-x: 0.5rem;
        --bs-gutter-y: 0.5rem;
    }
    
    .mt-3 {
        margin-top: 0.75rem !important;
    }
    
    .mb-3 {
        margin-bottom: 0.75rem !important;
    }
    
    /* Grid responsive improvements */
    .row.g-4 {
        --bs-gutter-x: 0.75rem;
        --bs-gutter-y: 0.75rem;
    }
    
    /* Settings page grid cards - full width on mobile */
    .col-md-3 {
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: 0.75rem;
    }
    
    /* Settings page card responsive on mobile */
    .card.text-bg-primary,
    .card.text-bg-success,
    .card.text-bg-warning,
    .card.text-bg-info,
    .card.text-bg-secondary,
    .card.text-bg-danger,
    .card.text-bg-dark,
    .card.text-bg-light {
        min-height: 160px;
    }
    
    .card .fa-2x {
        font-size: 1.25rem !important;
    }
    
    .card h5.card-title {
        font-size: 0.95rem;
    }
    
    .card .btn {
        font-size: 0.85rem;
        padding: 0.4rem 0.8rem;
    }
}

/* Responsive grid layouts for settings and similar pages */
@media (max-width: 992px) {
    .col-md-3 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

@media (max-width: 768px) {
    .col-md-3 {
        flex: 0 0 50%;
        max-width: 50%;
    }
    
    .col-md-4 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .col-md-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .col-md-8 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

@media (max-width: 576px) {
    .col-md-3,
    .col-md-4,
    .col-md-6,
    .col-md-8,
    .col-md-12 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* Table responsive improvements */
@media (max-width: 768px) {
    .advanced-table-container {
        margin-bottom: 1rem;
    }
    
    .table-header {
        padding: 0.5rem 0.75rem !important;
    }
    
    .action-buttons {
        flex-wrap: wrap;
        gap: 0.25rem;
    }
}

/* Modal responsive improvements */
.modal {
    z-index: 1055 !important;
}

.modal-backdrop {
    z-index: 1050 !important;
}

.modal.show {
    z-index: 1055 !important;
}

.modal-dialog {
    z-index: 1056 !important;
}

@media (max-width: 768px) {
    .modal-dialog {
        margin: 0.5rem;
        max-width: calc(100% - 1rem);
    }
    
    .modal-content {
        border-radius: 8px;
    }
    
    .modal-header {
        padding: 0.75rem 1rem !important;
    }
    
    .modal-body {
        padding: 1rem !important;
        max-height: calc(100vh - 200px);
        overflow-y: auto;
    }
    
    .modal-footer {
        padding: 0.75rem 1rem !important;
    }
}

@media (max-width: 576px) {
    .modal-dialog {
        margin: 0.25rem;
        max-width: calc(100% - 0.5rem);
    }
    
    .modal-header {
        padding: 0.5rem 0.75rem !important;
    }
    
    .modal-body {
        padding: 0.75rem !important;
        max-height: calc(100vh - 150px);
        overflow-y: auto;
    }
    
    .modal-footer {
        padding: 0.5rem 0.75rem !important;
    }
    
    .modal-title {
        font-size: 1rem;
    }
}

/* Form responsive improvements */
@media (max-width: 768px) {
    .form-label {
        font-size: 0.9rem;
        margin-bottom: 0.4rem;
    }
    
    .form-control {
        font-size: 0.9rem;
        padding: 0.5rem 0.75rem;
    }
    
    .form-select {
        font-size: 0.9rem;
        padding: 0.5rem 0.75rem;
    }
    
    /* Modal form grids responsive */
    .modal .row.g-3 .col-md-4,
    .modal .row.g-3 .col-md-6,
    .modal .row.g-3 .col-md-8,
    .modal .row.g-3 .col-md-12 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .modal .row .col-md-4,
    .modal .row .col-md-6,
    .modal .row .col-md-8 {
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: 0.75rem;
    }
}

@media (max-width: 576px) {
    .form-label {
        font-size: 0.85rem;
        margin-bottom: 0.35rem;
    }
    
    .form-control {
        font-size: 0.85rem;
        padding: 0.45rem 0.65rem;
    }
    
    .form-select {
        font-size: 0.85rem;
        padding: 0.45rem 0.65rem;
    }
    
    textarea.form-control {
        min-height: 80px;
    }
}

/* Badge responsive */
@media (max-width: 576px) {
    .badge {
        font-size: 0.7rem;
        padding: 0.25rem 0.5rem;
    }
}

/* Button group responsive */
@media (max-width: 768px) {
    .btn-group {
        flex-wrap: wrap;
    }
    
    .btn-group .btn {
        flex: 1 1 auto;
        min-width: 0;
    }
}

/* Improve text readability on mobile */
@media (max-width: 768px) {
    body {
        font-size: 0.95rem;
    }
    
    small {
        font-size: 0.8rem;
    }
}

/* Ensure images are responsive */
img {
    max-width: 100%;
    height: auto;
}

/* Improve scrollbar appearance on mobile */
@media (max-width: 768px) {
    ::-webkit-scrollbar {
        width: 6px;
        height: 6px;
    }
    
    ::-webkit-scrollbar-thumb {
        background: rgba(0,0,0,0.2);
        border-radius: 3px;
    }
    
    ::-webkit-scrollbar-track {
        background: rgba(0,0,0,0.05);
    }
}