/*
 * TVU Brand Identity Custom CSS
 * Trường Đại học Trà Vinh - Tra Vinh University
 * Version: 1.0
 */

/* ==================== TVU BRAND COLORS ==================== */
:root {
    --tvu-blue: #053384;
    --tvu-blue-dark: #042965;
    --tvu-yellow: #FFFF00;
    --tvu-green: #007500;
    --tvu-text-dark: #333333;
    --tvu-text-light: #FFFFFF;
    --tvu-background-light: #FFFFFF;
    --tvu-background-gray: #f8f9fa;
}

/* ==================== TVU FONTS ==================== */
@font-face {
    font-family: 'Roboto';
    src: url('/fonts/Roboto-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Roboto';
    src: url('/fonts/Roboto-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'Roboto';
    src: url('/fonts/Roboto-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
}

/* ==================== GLOBAL STYLES ==================== */
body {
    font-family: 'Roboto', 'Open Sans', sans-serif !important;
}

/* ==================== NAVBAR TVU BRAND ==================== */
.navbar.navbar-default {
    background: var(--tvu-blue) !important;
    background: linear-gradient(135deg, var(--tvu-blue) 0%, var(--tvu-blue-dark) 100%) !important;
    border: none !important;
    box-shadow: 0 2px 10px rgba(5, 51, 132, 0.3) !important;
    min-height: 60px !important;
}

/* Navbar Container */
.navbar-container {
    padding: 8px 15px !important;
}

/* Navbar Brand/Logo Area */
.navbar-brand {
    color: var(--tvu-text-light) !important;
    font-weight: 700 !important;
    font-size: 20px !important;
    padding: 15px 20px !important;
    height: auto !important;
    display: flex !important;
    align-items: center !important;
    transition: all 0.3s ease !important;
}

.navbar-brand small {
    color: var(--tvu-text-light) !important;
    font-size: 18px !important;
    margin-left: 8px !important;
}

.navbar-brand:hover {
    color: var(--tvu-yellow) !important;
    transform: translateY(-1px) !important;
}

/* Logo TVU */
.tvu-logo-navbar {
    max-height: 40px;
    width: auto;
    margin-right: 10px;
    vertical-align: middle;
}

/* Logo Icon trong EvalLMS */
.navbar-brand i,
.navbar-brand .ace-icon {
    font-size: 24px !important;
    margin-right: 8px !important;
    color: var(--tvu-yellow) !important;
}

/* Navbar Header - Container trái */
.navbar-header {
    background: transparent !important;
    border: none !important;
}

/* Form "Chọn giao diện" trong navbar */
.navbar-menu .navbar-form,
.navbar-menu form {
    margin: 10px 15px !important;
    padding: 0 !important;
}

/* Container cho dropdown "Chọn giao diện" */
.navbar-menu .form-group,
.navbar-header .form-group {
    margin: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 10px !important;
    vertical-align: middle !important;
}

/* Label "Chọn giao diện" - Inline với select */
.navbar-menu label,
.navbar-header label,
label[for="layout"] {
    color: var(--tvu-yellow) !important;
    font-size: 13px !important;
    font-weight: 500 !important;
    margin: 0 !important;
    display: inline-block !important;
    white-space: nowrap !important;
    line-height: 40px !important;
    vertical-align: middle !important;
}

/* Dropdown "Chọn giao diện" */
.navbar-menu select,
.navbar-header select,
#layout_select_box,
.navbar-menu .form-control,
.navbar-header .form-control {
    background: rgba(255, 255, 255, 0.15) !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    color: white !important;
    font-weight: 600 !important;
    padding: 8px 40px 8px 15px !important;
    border-radius: 8px !important;
    font-size: 14px !important;
    margin: 0 !important;
    min-width: 180px !important;
    height: 40px !important;
    line-height: normal !important;
    transition: all 0.3s ease !important;
    cursor: pointer !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24'%3E%3Cpath fill='%23FFFFFF' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 12px center !important;
    background-size: 18px !important;
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    display: inline-block !important;
    vertical-align: middle !important;
}

.navbar-menu select:hover,
.navbar-header select:hover,
#layout_select_box:hover,
.navbar-menu .form-control:hover,
.navbar-header .form-control:hover {
    background: rgba(255, 255, 255, 0.25) !important;
    border-color: rgba(255, 255, 255, 0.5) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15) !important;
}

.navbar-menu select:focus,
.navbar-header select:focus,
#layout_select_box:focus,
.navbar-menu .form-control:focus,
.navbar-header .form-control:focus {
    background: rgba(255, 255, 255, 0.25) !important;
    border-color: var(--tvu-yellow) !important;
    outline: none !important;
    box-shadow: 0 0 0 3px rgba(255, 255, 0, 0.2) !important;
}

.navbar-menu select option,
.navbar-header select option,
#layout_select_box option {
    background: white !important;
    color: var(--tvu-text-dark) !important;
    padding: 10px !important;
}

/* Flexbox layout cho navbar header */
.navbar-header {
    display: flex !important;
    align-items: center !important;
    flex-wrap: nowrap !important;
}

/* Căn chỉnh logo và dropdown */
.navbar-brand + * {
    margin-left: auto !important;
}

/* Desktop - Ẩn button toggle avatar, hiển thị menu user dropdown */
@media (min-width: 769px) {
    .navbar-toggle-img {
        display: none !important;
    }
    
    .navbar-buttons.navbar-header {
        display: block !important;
    }
    
    /* Menu toggler trên desktop */
    .navbar .menu-toggler {
        margin-left: 0 !important;
        margin-right: 15px !important;
    }
}

/* ==================== NAVBAR BUTTONS & MENU ==================== */
.navbar .navbar-toggle {
    border-color: rgba(255, 255, 255, 0.3) !important;
}

.navbar .navbar-toggle:hover {
    background-color: rgba(0, 117, 0, 0.2) !important;
}

.navbar .navbar-toggle .icon-bar {
    background-color: var(--tvu-text-light) !important;
}

/* Menu Toggler Button - TVU Brand Style */
.navbar .menu-toggler {
    background-color: rgba(255, 255, 255, 0.1) !important;
    border-color: rgba(255, 255, 255, 0.3) !important;
    border-radius: 6px !important;
    padding: 8px 10px !important;
    transition: all 0.3s ease !important;
}

.navbar .menu-toggler:hover,
.navbar .menu-toggler:focus {
    background-color: var(--tvu-green) !important;
    border-color: rgba(255, 255, 255, 0.5) !important;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2) !important;
}

.navbar .menu-toggler .icon-bar {
    background-color: #FFFFFF !important;
    height: 3px !important;
    border-radius: 2px !important;
    width: 24px !important;
    transition: all 0.3s ease !important;
}

.navbar .menu-toggler:hover .icon-bar {
    background-color: var(--tvu-yellow) !important;
}

/* User Dropdown Menu - Override Ace Colors */
.navbar .nav.ace-nav {
    background: transparent !important;
}

/* Override default Ace theme light-blue colors */
.ace-nav > li.light-blue > a {
    background-color: transparent !important;
    color: var(--tvu-text-light) !important;
}

.ace-nav > li.light-blue > a:focus,
.ace-nav > li.light-blue > a:hover,
.ace-nav > li.open.light-blue > a {
    background-color: rgba(0, 117, 0, 0.3) !important;
    color: var(--tvu-text-light) !important;
}

/* Override default Ace nav colors */
.ace-nav > li > a {
    background-color: transparent !important;
    color: var(--tvu-text-light) !important;
}

.ace-nav > li.open > a,
.ace-nav > li > a:focus,
.ace-nav > li > a:hover {
    background-color: var(--tvu-blue-dark) !important;
    color: var(--tvu-text-light) !important;
}

.nav .open > a,
.nav .open > a:focus,
.nav .open > a:hover {
    background-color: rgba(0, 117, 0, 0.2) !important;
    border-color: var(--tvu-green) !important;
}

.navbar .nav.ace-nav > li.light-blue > a,
.navbar .nav.ace-nav > li > a {
    color: var(--tvu-text-light) !important;
}

.navbar .nav.ace-nav > li.light-blue:hover,
.navbar .nav.ace-nav > li:hover {
    background-color: rgba(0, 117, 0, 0.2) !important;
}

/* Dropdown User Menu */
.user-menu.dropdown-menu {
    background-color: var(--tvu-background-light) !important;
    border: 2px solid var(--tvu-blue) !important;
    box-shadow: 0 4px 15px rgba(5, 51, 132, 0.2) !important;
}

.user-menu.dropdown-menu:before {
    border-bottom-color: var(--tvu-blue) !important;
}

.user-menu.dropdown-menu:after {
    border-bottom-color: var(--tvu-background-light) !important;
}

.user-menu.dropdown-menu > li > a {
    color: var(--tvu-text-dark) !important;
    transition: all 0.3s ease !important;
}

.user-menu.dropdown-menu > li > a:hover {
    background-color: var(--tvu-blue) !important;
    color: var(--tvu-text-light) !important;
}

.user-menu.dropdown-menu > li > a i {
    color: var(--tvu-blue) !important;
}

.user-menu.dropdown-menu > li > a:hover i {
    color: var(--tvu-yellow) !important;
}

.user-menu.dropdown-menu > li.divider {
    background-color: var(--tvu-blue) !important;
    height: 2px !important;
}

/* User Info Text */
.navbar .nav.ace-nav .user-info {
    color: var(--tvu-text-light) !important;
}

.navbar .nav.ace-nav .user-info small {
    color: rgba(255, 255, 255, 0.8) !important;
}

/* ==================== SIDEBAR TVU BRAND ==================== */
.sidebar {
    background: #f5f5f5 !important;
    border-right: 3px solid transparent !important;
    border-image: linear-gradient(to bottom, var(--tvu-blue), var(--tvu-green), var(--tvu-yellow)) 1 !important;
    position: fixed !important;
    top: 60px !important;
    left: 0 !important;
    bottom: 0 !important;
    width: 230px !important;
    z-index: 1000 !important;
}

.main-content {
    margin-left: 230px !important;
    padding: 0 !important;
    width: auto !important;
    max-width: none !important;
}

.page-content {
    padding: 15px 20px !important;
    width: 100% !important;
    max-width: none !important;
}

/* Đảm bảo container sử dụng full width */
.page-content .container,
.page-content .container-fluid {
    width: 100% !important;
    max-width: none !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
}

/* Fix cho row trong page-content */
.page-content .row {
    margin-left: -15px !important;
    margin-right: -15px !important;
    width: auto !important;
}

.page-content .col-xs-12 {
    width: 100% !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
}

/* Tables sử dụng full width */
.page-content table {
    width: 100% !important;
}

.page-content .table-responsive {
    width: 100% !important;
    overflow-x: auto !important;
}

@media (max-width: 991px) {
    .sidebar {
        position: static !important;
        width: 100% !important;
        border-right: none !important;
    }
    .main-content {
        margin-left: 0 !important;
    }
}

/* Hide sidebar shortcuts */
.sidebar-shortcuts {
    display: none !important;
}

/* Sidebar text wrapping and spacing improvements */
.sidebar .nav-list > li > a,
.sidebar .nav-list .submenu > li > a {
    white-space: normal !important; /* allow wrapping for long Vietnamese labels */
    line-height: 1.35 !important;
    padding-right: 28px !important; /* room for dropdown arrow */
}

.sidebar .nav-list > li > a .menu-text,
.sidebar .nav-list .submenu > li > a .menu-text {
    display: inline-block !important;
    vertical-align: middle !important;
}

/* Position the dropdown arrow so it doesn't overlap text */
.sidebar .nav-list > li > a .arrow,
.sidebar .nav-list > li > a .fa-angle-down {
    right: 10px !important;
}

.sidebar .nav-list > li.active > a {
    background-color: var(--tvu-blue) !important;
    color: var(--tvu-text-light) !important;
    font-weight: 600 !important;
    border-left: 4px solid var(--tvu-yellow) !important;
}

.sidebar .nav-list > li.active > a:before {
    border-right-color: var(--tvu-blue) !important;
}

.sidebar .nav-list > li > a:hover {
    background-color: rgba(5, 51, 132, 0.1) !important;
    color: var(--tvu-blue) !important;
    border-left: 4px solid var(--tvu-green) !important;
}

.sidebar .nav-list > li.active > a .menu-icon {
    color: var(--tvu-yellow) !important;
}

/* ==================== BUTTONS TVU BRAND - MODERN STYLE ==================== */
/* Override Ace Theme Colors */
.btn,
.btn.focus,
.btn:focus,
.btn:active,
.btn.active {
    border-radius: 6px !important;
    padding: 8px 16px !important;
    font-weight: 500 !important;
    font-size: 13px !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1) !important;
    border: none !important;
    outline: none !important;
}

.btn:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15) !important;
}

/* Button Default - TVU Blue Style */
.btn-default,
.btn-default.focus,
.btn-default:focus,
.btn-default:hover,
.btn-default:active,
.btn-default.active {
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%) !important;
    background-color: #6c757d !important;
    border-color: #6c757d !important;
    color: var(--tvu-text-light) !important;
}

/* Button Primary - TVU Blue */
.btn-primary,
.btn-primary.focus,
.btn-primary:focus,
.btn-primary:active,
.btn-primary.active {
    background: linear-gradient(135deg, var(--tvu-blue) 0%, #0648a8 100%) !important;
    background-color: var(--tvu-blue) !important;
    border-color: var(--tvu-blue) !important;
    color: var(--tvu-text-light) !important;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--tvu-blue-dark) 0%, var(--tvu-blue) 100%) !important;
    background-color: var(--tvu-blue-dark) !important;
    border-color: var(--tvu-blue-dark) !important;
}

/* Button Success - TVU Green */
.btn-success,
.btn-success.focus,
.btn-success:focus,
.btn-success:active,
.btn-success.active {
    background: linear-gradient(135deg, var(--tvu-green) 0%, #009500 100%) !important;
    background-color: var(--tvu-green) !important;
    border-color: var(--tvu-green) !important;
    color: var(--tvu-text-light) !important;
}

.btn-success:hover {
    background: linear-gradient(135deg, #005700 0%, var(--tvu-green) 100%) !important;
    background-color: #005700 !important;
    border-color: #005700 !important;
}

/* Button Warning - Orange */
.btn-warning,
.btn-warning.focus,
.btn-warning:focus,
.btn-warning:active,
.btn-warning.active {
    background: linear-gradient(135deg, #ff9800 0%, #ff6f00 100%) !important;
    background-color: #ff9800 !important;
    border-color: #ff9800 !important;
    color: var(--tvu-text-light) !important;
}

.btn-warning:hover {
    background: linear-gradient(135deg, #f57c00 0%, #e65100 100%) !important;
    background-color: #f57c00 !important;
    border-color: #f57c00 !important;
}

/* Button Info - Override Ace Blue (#6FB3E0) với TVU Blue */
.btn-info,
.btn-info.focus,
.btn-info:focus,
.btn-info:hover,
.btn-info:active,
.btn-info.active {
    background: linear-gradient(135deg, var(--tvu-blue) 0%, #0648a8 100%) !important;
    background-color: var(--tvu-blue) !important;
    border-color: var(--tvu-blue) !important;
    color: var(--tvu-text-light) !important;
}

.btn-info:hover {
    background: linear-gradient(135deg, var(--tvu-blue-dark) 0%, var(--tvu-blue) 100%) !important;
    background-color: var(--tvu-blue-dark) !important;
    border-color: var(--tvu-blue-dark) !important;
}

/* Button Danger - Red */
.btn-danger,
.btn-danger.focus,
.btn-danger:focus,
.btn-danger:active,
.btn-danger.active {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%) !important;
    background-color: #dc3545 !important;
    border-color: #dc3545 !important;
    color: var(--tvu-text-light) !important;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #c82333 0%, #bd2130 100%) !important;
    background-color: #c82333 !important;
    border-color: #c82333 !important;
}

/* Buttons nhỏ trong bảng */
.btn-xs,
.btn-sm,
.btn-group-xs > .btn {
    padding: 6px 12px !important;
    font-size: 12px !important;
    border-radius: 5px !important;
    border-width: 1px !important;
}

/* Button Links */
.btn-link {
    color: var(--tvu-blue) !important;
    background: transparent !important;
    box-shadow: none !important;
}

.btn-link:hover {
    color: var(--tvu-blue-dark) !important;
    text-decoration: underline !important;
    background: transparent !important;
    transform: none !important;
}

/* ==================== BREADCRUMBS ==================== */
.breadcrumb {
    background-color: rgba(5, 51, 132, 0.05) !important;
    border-left: 3px solid var(--tvu-blue) !important;
}

.breadcrumb > li + li:before {
    color: var(--tvu-blue) !important;
}

.breadcrumb > .active {
    color: var(--tvu-blue) !important;
    font-weight: 600 !important;
}

/* ==================== PAGE HEADER ==================== */
.page-header {
    background: white !important;
    padding: 20px 25px !important;
    margin: 0 0 20px 0 !important;
    border-radius: 10px !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06) !important;
    border-left: 5px solid var(--tvu-blue) !important;
}

.page-header h1 {
    color: var(--tvu-blue) !important;
    font-weight: 700 !important;
    font-size: 28px !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    letter-spacing: -0.5px !important;
    display: flex !important;
    align-items: center !important;
}

.page-header h1 i,
.page-header h1 .icon {
    margin-right: 12px !important;
    color: var(--tvu-green) !important;
    font-size: 32px !important;
}

.page-header h1 small {
    color: #6b7280 !important;
    font-size: 16px !important;
    font-weight: 400 !important;
    margin-left: 15px !important;
}

/* Page Content Title */
h1, h2, h3, h4 {
    color: var(--tvu-blue) !important;
    font-weight: 600 !important;
}

/* ==================== TABLES - PROFESSIONAL DESIGN ==================== */
.table {
    border-collapse: separate !important;
    border-spacing: 0 !important;
    border-radius: 8px !important;
    overflow: hidden !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08) !important;
}

/* ==================== STICKY HEADER TABLE ==================== */
/* Container with scroll */
.table-sticky-container {
    max-height: 600px !important;
    overflow-y: auto !important;
    overflow-x: auto !important;
    position: relative !important;
    display: block !important;
    border: 1px solid #e8eaf6 !important;
    border-radius: 8px !important;
    background: white !important;
    scroll-behavior: smooth !important;
    -webkit-overflow-scrolling: touch !important;
}

/* Table inside scrollable container */
.table-sticky-container .table {
    margin-bottom: 0 !important;
    border-collapse: separate !important;
    border-spacing: 0 !important;
}

/* STICKY HEADER - Optimized for smooth scrolling */
.table-sticky-container .table thead th {
    position: -webkit-sticky !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 100 !important;
    background: linear-gradient(135deg, var(--tvu-blue) 0%, #0648a8 100%) !important;
    background-color: var(--tvu-blue) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15) !important;
    will-change: transform !important;
    backface-visibility: hidden !important;
    -webkit-backface-visibility: hidden !important;
    transform: translateZ(0) !important;
    -webkit-transform: translateZ(0) !important;
}

/* Ensure header stays on top when scrolling */
.table-sticky-container .table thead {
    position: relative !important;
    z-index: 100 !important;
}

/* Responsive hide helpers */
.col-sm-hide { /* hide on small screens */
    display: table-cell !important;
}

.col-md-hide { /* hide on medium screens */
    display: table-cell !important;
}

@media (max-width: 768px) {
    .col-sm-hide {
        display: none !important;
    }
}

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

.table-striped > tbody > tr:nth-of-type(odd) {
    background-color: rgba(5, 51, 132, 0.02) !important;
}

.table-striped > tbody > tr:nth-of-type(even) {
    background-color: #ffffff !important;
}

/* Table Header - Modern & Clean */
.table > thead > tr > th {
    background: linear-gradient(135deg, var(--tvu-blue) 0%, #0648a8 100%) !important;
    color: var(--tvu-text-light) !important;
    font-weight: 600 !important;
    font-size: 11px !important;
    text-transform: uppercase !important;
    letter-spacing: 0.3px !important;
    padding: 12px 8px !important;
    border-bottom: 3px solid var(--tvu-yellow) !important;
    vertical-align: middle !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    min-width: 80px !important;
    max-width: 150px !important;
}

/* OVERRIDE for sticky tables - Must come after general table styles */
.table-sticky-container .table > thead > tr > th {
    position: -webkit-sticky !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 1000 !important;
}

/* Links trong table header - Must be white/yellow on blue background */
.table > thead > tr > th a,
.table > thead > tr > th > a,
.table-sticky-container .table > thead > tr > th a {
    color: var(--tvu-text-light) !important;
    text-decoration: none !important;
    transition: color 0.2s ease !important;
    display: inline-block !important;
}

.table > thead > tr > th a:hover,
.table > thead > tr > th > a:hover,
.table-sticky-container .table > thead > tr > th a:hover {
    color: var(--tvu-yellow) !important;
    text-decoration: none !important;
}

.table > thead > tr > th a:visited,
.table-sticky-container .table > thead > tr > th a:visited {
    color: var(--tvu-text-light) !important;
}

/* Table Body - Clean & Spacious */
.table > tbody > tr > td {
    padding: 10px 8px !important;
    vertical-align: middle !important;
    border-bottom: 1px solid #e8eaf6 !important;
    font-size: 13px !important;
    color: #333 !important;
    max-width: 200px !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: normal !important;
    word-wrap: break-word !important;
}

/* Table Row Hover Effect - Optimized for smooth performance */
.table > tbody > tr {
    transition: background-color 0.2s ease !important;
}

.table > tbody > tr:hover {
    background-color: rgba(5, 51, 132, 0.06) !important;
}

/* Column Số thứ tự */
.table > tbody > tr > td:first-child,
.table > thead > tr > th:first-child {
    text-align: center !important;
    font-weight: 600 !important;
    color: var(--tvu-blue) !important;
    background-color: rgba(5, 51, 132, 0.03) !important;
    width: 40px !important;
    min-width: 40px !important;
    max-width: 40px !important;
}

/* Specific column width control for courses table */
.table.has-checked-item > thead > tr > th:nth-child(2),
.table.has-checked-item > tbody > tr > td:nth-child(2) {
    max-width: 250px !important;
    min-width: 150px !important;
}

.table.has-checked-item > thead > tr > th:nth-child(6),
.table.has-checked-item > tbody > tr > td:nth-child(6) {
    max-width: 180px !important;
    min-width: 120px !important;
}

.table.has-checked-item > thead > tr > th:last-child,
.table.has-checked-item > tbody > tr > td:last-child {
    width: 40px !important;
    min-width: 40px !important;
    max-width: 40px !important;
    text-align: center !important;
}

.table.has-checked-item > thead > tr > th:nth-last-child(2),
.table.has-checked-item > tbody > tr > td:nth-last-child(2) {
    width: 120px !important;
    min-width: 120px !important;
    max-width: 120px !important;
    text-align: center !important;
    white-space: nowrap !important;
}


/* ==================== PANELS & WIDGETS - MODERN CARD DESIGN ==================== */
.widget-box {
    border: none !important;
    border-radius: 12px !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08) !important;
    margin-bottom: 20px !important;
    overflow: hidden !important;
    background: white !important;
    transition: all 0.3s ease !important;
}

.widget-box:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12) !important;
    transform: translateY(-2px) !important;
}

.widget-header {
    background: #f8f9fa !important;
    background: linear-gradient(to right, #f8f9fa 0%, #ffffff 100%) !important;
    color: var(--tvu-blue) !important;
    padding: 16px 20px !important;
    border-bottom: 2px solid #e8eaf6 !important;
    border-left: 4px solid var(--tvu-blue) !important;
}

.widget-header h4 {
    font-weight: 600 !important;
    font-size: 16px !important;
    margin: 0 !important;
    letter-spacing: 0.3px !important;
    color: var(--tvu-blue) !important;
}

.widget-body {
    padding: 20px !important;
}

.widget-toolbar {
    opacity: 0.9 !important;
}

.widget-toolbar:hover {
    opacity: 1 !important;
}

/* ==================== FOOTER TVU BRAND ==================== */
.footer {
    background: #f8f9fa !important;
    background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%) !important;
    color: var(--tvu-text-dark) !important;
    border-top: 5px solid transparent !important;
    border-image: linear-gradient(90deg, var(--tvu-blue), var(--tvu-green), var(--tvu-yellow)) 1 !important;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1) !important;
}

.footer-inner {
    padding: 15px 20px !important;
}

.footer-inner .footer-content {
    color: var(--tvu-text-dark) !important;
    font-size: 14px !important;
}

.footer-inner .footer-content .blue.bolder,
.footer-inner .footer-content .blue {
    color: var(--tvu-blue) !important;
    font-weight: 700 !important;
    font-size: 16px !important;
}

.footer-inner .footer-content .action-buttons a {
    color: var(--tvu-blue) !important;
    transition: all 0.3s ease !important;
}

.footer-inner .footer-content .action-buttons a:hover {
    color: var(--tvu-green) !important;
    transform: scale(1.1) !important;
}

/* ==================== LINKS ==================== */
a {
    color: var(--tvu-blue) !important;
}

a:hover {
    color: var(--tvu-blue-dark) !important;
}

/* ==================== BADGES & LABELS - MODERN DESIGN ==================== */
.badge, .label {
    border-radius: 12px !important;
    padding: 5px 12px !important;
    font-weight: 600 !important;
    font-size: 11px !important;
    letter-spacing: 0.3px !important;
    text-transform: uppercase !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1) !important;
    border: none !important;
}

.badge.badge-primary, .label.label-primary {
    background: linear-gradient(135deg, var(--tvu-blue) 0%, #0648a8 100%) !important;
    color: white !important;
}

.badge.badge-success, .label.label-success {
    background: linear-gradient(135deg, var(--tvu-green) 0%, #009500 100%) !important;
    color: white !important;
}

.badge.badge-warning, .label.label-warning {
    background: linear-gradient(135deg, #ff9800 0%, #ff6f00 100%) !important;
    color: white !important;
}

.badge.badge-info, .label.label-info {
    background: linear-gradient(135deg, #2196F3 0%, #1976D2 100%) !important;
    color: white !important;
}

.badge.badge-danger, .label.label-danger {
    background: linear-gradient(135deg, #f44336 0%, #d32f2f 100%) !important;
    color: white !important;
}

/* Badge trong bảng */
.table .badge, .table .label {
    display: inline-block !important;
    margin: 2px !important;
    font-size: 10px !important;
    padding: 4px 8px !important;
    max-width: 100% !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}

/* ==================== EVALUATION RESULT BADGES - CHUẨN HÓA ==================== */
/* Badge kết quả đánh giá - Style chuẩn và rõ ràng */
.evaluation-badge-pass,
.evaluation-badge-fail,
.evaluation-badge-pending {
    font-size: 12px !important;
    padding: 6px 12px !important;
    font-weight: 600 !important;
    border-radius: 20px !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    white-space: nowrap !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15) !important;
    transition: all 0.2s ease !important;
}

/* Badge ĐẠT - Xanh lá đậm */
.evaluation-badge-pass {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%) !important;
    background-color: #28a745 !important;
    color: white !important;
    border: none !important;
}

.evaluation-badge-pass:hover {
    box-shadow: 0 3px 8px rgba(40, 167, 69, 0.3) !important;
    transform: translateY(-1px) !important;
}

.evaluation-badge-pass i {
    font-size: 13px !important;
    color: white !important;
}

/* Badge KHÔNG ĐẠT - Đỏ nổi bật */
.evaluation-badge-fail {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%) !important;
    background-color: #dc3545 !important;
    color: white !important;
    border: none !important;
}

.evaluation-badge-fail:hover {
    box-shadow: 0 3px 8px rgba(220, 53, 69, 0.4) !important;
    transform: translateY(-1px) !important;
}

.evaluation-badge-fail i {
    font-size: 13px !important;
    color: white !important;
    animation: pulse-fail 2s ease-in-out infinite !important;
}

/* Animation cho icon không đạt */
@keyframes pulse-fail {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.1);
    }
}

/* Badge CHƯA ĐÁNH GIÁ - Xám */
.evaluation-badge-pending {
    background: linear-gradient(135deg, #6c757d 0%, #5a6268 100%) !important;
    background-color: #6c757d !important;
    color: white !important;
    border: none !important;
    opacity: 0.85 !important;
}

.evaluation-badge-pending i {
    font-size: 12px !important;
    color: white !important;
}

/* Lý do không đạt - Text bên dưới badge */
.evaluation-reason {
    display: block !important;
    margin-top: 4px !important;
    font-size: 11px !important;
    font-style: italic !important;
    color: #dc3545 !important;
    line-height: 1.4 !important;
    padding: 2px 0 !important;
}

.evaluation-reason i {
    font-size: 11px !important;
    margin-right: 3px !important;
    color: #dc3545 !important;
}

/* Tooltip cho badge không đạt */
.evaluation-badge-fail[data-toggle="tooltip"] {
    cursor: help !important;
}

/* Trong table cell */
.table td .evaluation-badge-pass,
.table td .evaluation-badge-fail,
.table td .evaluation-badge-pending {
    margin: 2px 0 !important;
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .evaluation-badge-pass,
    .evaluation-badge-fail,
    .evaluation-badge-pending {
        font-size: 11px !important;
        padding: 5px 10px !important;
    }
    
    .evaluation-reason {
        font-size: 10px !important;
    }
}

/* ==================== ACTION BUTTONS IN TABLE - MODERN & BEAUTIFUL ==================== */
/* Cell chứa action buttons */
.action-buttons-cell {
    white-space: nowrap !important;
    text-align: center !important;
    padding: 8px 12px !important;
    vertical-align: middle !important;
}

/* Base style cho action buttons */
.btn-action {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 6px !important;
    padding: 8px 16px !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    border-radius: 8px !important;
    border: none !important;
    margin: 0 4px !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1) !important;
    text-decoration: none !important;
    white-space: nowrap !important;
    cursor: pointer !important;
}

.btn-action i {
    font-size: 14px !important;
    margin: 0 !important;
    transition: transform 0.3s ease !important;
}

.btn-action span {
    display: inline-block !important;
    transition: opacity 0.3s ease !important;
}

.btn-action:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
    text-decoration: none !important;
}

.btn-action:active {
    transform: translateY(0) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1) !important;
}

/* Button XEM - TVU Blue */
.btn-action-view {
    background: linear-gradient(135deg, var(--tvu-blue) 0%, #0561c9 100%) !important;
    background-color: var(--tvu-blue) !important;
    color: white !important;
}

.btn-action-view:hover {
    background: linear-gradient(135deg, #0561c9 0%, #0771e8 100%) !important;
    background-color: #0561c9 !important;
    color: white !important;
}

.btn-action-view:hover i {
    transform: scale(1.15) !important;
    animation: eye-blink 0.5s ease !important;
}

@keyframes eye-blink {
    0%, 100% { transform: scale(1.15); }
    50% { transform: scale(1.3); }
}

.btn-action-view:active {
    background: linear-gradient(135deg, var(--tvu-blue-dark) 0%, var(--tvu-blue) 100%) !important;
}

/* Button SỬA - Orange/Warning */
.btn-action-edit {
    background: linear-gradient(135deg, #ff9800 0%, #fb8c00 100%) !important;
    background-color: #ff9800 !important;
    color: white !important;
}

.btn-action-edit:hover {
    background: linear-gradient(135deg, #fb8c00 0%, #f57c00 100%) !important;
    background-color: #fb8c00 !important;
    color: white !important;
}

.btn-action-edit:hover i {
    transform: rotate(-15deg) scale(1.15) !important;
    animation: edit-shake 0.5s ease !important;
}

@keyframes edit-shake {
    0%, 100% { transform: rotate(-15deg) scale(1.15); }
    25% { transform: rotate(-20deg) scale(1.2); }
    75% { transform: rotate(-10deg) scale(1.2); }
}

.btn-action-edit:active {
    background: linear-gradient(135deg, #f57c00 0%, #e65100 100%) !important;
}

/* Responsive - Tablet */
@media (max-width: 992px) {
    .btn-action {
        padding: 7px 12px !important;
        font-size: 12px !important;
        margin: 0 2px !important;
        gap: 5px !important;
    }
    
    .btn-action i {
        font-size: 13px !important;
    }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .action-buttons-cell {
        padding: 6px 8px !important;
    }
    
    .btn-action {
        padding: 6px 10px !important;
        font-size: 11px !important;
        margin: 2px 1px !important;
        gap: 4px !important;
        border-radius: 6px !important;
    }
    
    .btn-action i {
        font-size: 12px !important;
    }
    
    /* Ẩn text trên mobile, chỉ hiển thị icon */
    .btn-action span {
        display: none !important;
    }
    
    .btn-action {
        padding: 8px !important;
        min-width: 36px !important;
        justify-content: center !important;
    }
}

/* Responsive - Very small mobile */
@media (max-width: 480px) {
    .btn-action {
        padding: 6px !important;
        min-width: 32px !important;
    }
    
    .btn-action i {
        font-size: 11px !important;
    }
}

/* ==================== FORM CONTROLS - MODERN DESIGN ==================== */
.form-control {
    border-radius: 6px !important;
    border: 1px solid #d1d5db !important;
    padding: 10px 14px !important;
    font-size: 14px !important;
    transition: all 0.3s ease !important;
    background-color: #ffffff !important;
}

.form-control:focus {
    border-color: var(--tvu-green) !important;
    box-shadow: 0 0 0 3px rgba(0, 117, 0, 0.1) !important;
    background-color: #ffffff !important;
}

.form-control::placeholder {
    color: #9ca3af !important;
    font-style: italic !important;
}

/* Select dropdown - Modern Design */
select.form-control,
select.chosen-select,
select {
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24'%3E%3Cpath fill='%23053384' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 10px center !important;
    background-size: 20px !important;
    padding-right: 40px !important;
    cursor: pointer !important;
    height: auto !important;
    min-height: 38px !important;
}

select.form-control:focus,
select:focus {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24'%3E%3Cpath fill='%23007500' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E") !important;
}

/* Chosen Select Plugin Override */
.chosen-container {
    width: 100% !important;
}

.chosen-container-single .chosen-single {
    height: 38px !important;
    line-height: 36px !important;
    border-radius: 6px !important;
    border: 1px solid #d1d5db !important;
    background: white !important;
    box-shadow: none !important;
    padding: 0 14px !important;
    font-size: 14px !important;
    transition: all 0.3s ease !important;
}

.chosen-container-single .chosen-single:hover,
.chosen-container-active.chosen-with-drop .chosen-single {
    border-color: var(--tvu-blue) !important;
}

.chosen-container-single .chosen-single div b {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24'%3E%3Cpath fill='%23053384' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E") !important;
    background-position: center !important;
    background-repeat: no-repeat !important;
    background-size: 18px !important;
}

.chosen-container .chosen-drop {
    border-radius: 6px !important;
    border: 2px solid var(--tvu-blue) !important;
    box-shadow: 0 4px 12px rgba(5, 51, 132, 0.15) !important;
    margin-top: 4px !important;
}

.chosen-container .chosen-results li.highlighted {
    background: var(--tvu-blue) !important;
    color: white !important;
}

/* Input groups */
.input-group {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05) !important;
    border-radius: 6px !important;
}

.input-group-addon {
    background-color: var(--tvu-background-gray) !important;
    border-color: #d1d5db !important;
    color: var(--tvu-text-dark) !important;
    font-weight: 500 !important;
}

/* ==================== SCROLL TO TOP BUTTON ==================== */
.btn-scroll-up {
    background-color: var(--tvu-blue) !important;
    border-color: var(--tvu-blue) !important;
}

.btn-scroll-up:hover {
    background-color: var(--tvu-blue-dark) !important;
}

/* ==================== PAGE CONTENT IMPROVEMENTS ==================== */
.page-content {
    background-color: #f8f9fa !important;
    padding: 20px !important;
}

/* Search/Filter Area Styling */
.row.search-form,
.filter-section,
.filter-bar {
    background: white !important;
    padding: 20px !important;
    border-radius: 10px !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06) !important;
    margin-bottom: 20px !important;
    border-left: 4px solid var(--tvu-blue) !important;
    overflow: hidden !important;
}

/* Filter Toggle Wrapper */
.filter-toggle-wrapper {
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
    padding: 10px 15px !important;
    background: rgba(5, 51, 132, 0.02) !important;
    border-radius: 8px !important;
    border: 1px dashed rgba(5, 51, 132, 0.2) !important;
}

#toggle-filter-btn {
    min-width: 150px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    transition: all 0.3s ease !important;
}

#toggle-filter-btn i {
    font-size: 14px !important;
    transition: transform 0.3s ease !important;
}

#toggle-filter-btn:hover i {
    transform: scale(1.1) !important;
}

.filter-toggle-wrapper .text-muted {
    font-size: 12px !important;
    color: #6c757d !important;
    font-style: italic !important;
}

.filter-toggle-wrapper .text-muted i {
    margin-right: 4px !important;
}

/* Form Groups trong Filter */
.form-group {
    margin-bottom: 15px !important;
}

.form-group label {
    font-weight: 600 !important;
    
    font-size: 13px !important;
    margin-bottom: 6px !important;
    display: block !important;
}

/* Form Inline */
.form-inline .form-group {
    margin-right: 15px !important;
    margin-bottom: 10px !important;
}

.form-inline .form-control {
    display: inline-block !important;
    width: auto !important;
    vertical-align: middle !important;
}

.form-inline select.form-control {
    min-width: 200px !important;
}

/* Filter Actions */
.filter-actions {
    margin-top: 15px !important;
    padding-top: 15px !important;
    border-top: 1px solid #e5e7eb !important;
}

/* Action Buttons Group */
.btn-group {
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08) !important;
    border-radius: 6px !important;
}

/* Icons trong bảng */
.table i, .table .icon {
    font-size: 16px !important;
    margin: 0 2px !important;
}

/* Edit/Delete Icon Buttons */
.btn.btn-xs i {
    margin: 0 !important;
}

/* Alert Messages */
.alert {
    border-radius: 8px !important;
    border-left: 4px solid !important;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08) !important;
    padding: 16px 20px !important;
}

.alert-success {
    background-color: rgba(0, 117, 0, 0.1) !important;
    border-left-color: var(--tvu-green) !important;
    color: #005700 !important;
}

.alert-warning {
    background-color: rgba(255, 152, 0, 0.1) !important;
    border-left-color: #ff9800 !important;
    color: #e65100 !important;
}

.alert-info {
    background-color: rgba(33, 150, 243, 0.1) !important;
    border-left-color: #2196F3 !important;
    color: #1565C0 !important;
}

.alert-danger {
    background-color: rgba(244, 67, 54, 0.1) !important;
    border-left-color: #f44336 !important;
    color: #c62828 !important;
}

/* Global Timeline cleanup: remove vertical guideline from Ace default */
.timeline-container:before,
.timeline-container:last-child:before {
    display: none !important;
    width: 0 !important;
    border: 0 !important;
    background: transparent !important;
}

/* Timeline pages: alerts without left border to avoid vertical line feel */
.teacher-timeline .alert,
.timeline-container .alert {
    border-left: none !important;
}

/* Pagination Styling */
.pagination > li > a,
.pagination > li > span {
    border-radius: 6px !important;
    margin: 0 3px !important;
    border: 1px solid #d1d5db !important;
    color: var(--tvu-blue) !important;
    font-weight: 500 !important;
    transition: all 0.3s ease !important;
    background-color: white !important;
}

.pagination > li > a:hover {
    background-color: var(--tvu-blue) !important;
    color: white !important;
    border-color: var(--tvu-blue) !important;
    transform: translateY(-1px) !important;
}

/* Pagination Active State - Màu chữ trắng rõ ràng */
.pagination > .active > a,
.pagination > .active > a:hover,
.pagination > .active > a:focus,
.pagination > .active > span,
.pagination > .active > span:hover,
.pagination > .active > span:focus {
    background: linear-gradient(135deg, var(--tvu-blue) 0%, #0561c9 100%) !important;
    background-color: var(--tvu-blue) !important;
    border-color: var(--tvu-blue) !important;
    color: white !important;
    font-weight: 700 !important;
    box-shadow: 0 3px 8px rgba(5, 51, 132, 0.4) !important;
    cursor: default !important;
}

/* Disabled state */
.pagination > .disabled > a,
.pagination > .disabled > span {
    background-color: #f5f5f5 !important;
    color: #ccc !important;
    border-color: #ddd !important;
    cursor: not-allowed !important;
}

.pagination > .disabled > a:hover,
.pagination > .disabled > span:hover {
    background-color: #f5f5f5 !important;
    color: #ccc !important;
    border-color: #ddd !important;
    transform: none !important;
}

/* Checkbox & Radio Styling */
input[type="checkbox"],
input[type="radio"] {
    cursor: pointer !important;
    transform: scale(1.2) !important;
    margin: 5px !important;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    /* Navbar */
    .navbar.navbar-default {
        min-height: auto !important;
    }
    
    .navbar-brand {
        font-size: 16px !important;
        padding: 12px 15px !important;
    }
    
    .navbar-brand small {
        font-size: 14px !important;
        display: none !important;
    }
    
    .navbar-brand i {
        font-size: 20px !important;
    }
    
    .tvu-logo-navbar {
        max-height: 32px !important;
    }
    
    /* Fix Mobile Navigation - Ẩn avatar thừa và căn chỉnh layout */
    /* Ẩn menu dropdown user bên phải trên mobile */
    .navbar-buttons.navbar-header {
        display: none !important;
    }
    
    /* Container navbar - Flexbox để quản lý tất cả các item */
    .navbar-container {
        display: flex !important;
        flex-wrap: nowrap !important;
        align-items: center !important;
        min-height: 56px !important;
        padding: 6px 8px !important;
    }
    
    /* Button toggle sidebar (3 gạch) - nằm ngoài navbar-header */
    .navbar-container > .menu-toggler,
    .navbar-container > .navbar-toggle:not(.navbar-toggle-img) {
        display: flex !important;
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        order: 1 !important;
        margin: 0 !important;
        padding: 10px !important;
        position: relative !important;
        float: none !important;
        height: 44px !important;
        width: 44px !important;
        background-color: rgba(255, 255, 255, 0.15) !important;
        border: 1px solid rgba(255, 255, 255, 0.3) !important;
        border-radius: 8px !important;
        flex-shrink: 0 !important;
    }
    
    .navbar-container > .menu-toggler:hover,
    .navbar-container > .menu-toggler:focus {
        background-color: var(--tvu-green) !important;
        border-color: rgba(255, 255, 255, 0.5) !important;
    }
    
    .navbar-container > .menu-toggler .icon-bar {
        background-color: #FFFFFF !important;
        display: block !important;
        width: 22px !important;
        height: 2px !important;
        border-radius: 2px !important;
        margin: 3px 0 !important;
    }
    
    .navbar-container > .menu-toggler:hover .icon-bar {
        background-color: var(--tvu-yellow) !important;
    }
    
    /* Navbar header - chứa logo và avatar button */
    .navbar-header {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        flex: 1 !important;
        order: 2 !important;
        float: none !important;
        padding: 0 8px !important;
        min-height: 44px !important;
        margin: 0 !important;
    }
    
    /* Logo/Brand - căn trái trong navbar-header */
    .navbar-header .navbar-brand {
        flex: 1 !important;
        margin: 0 !important;
        padding: 10px 8px !important;
        height: auto !important;
        float: none !important;
        order: 1 !important;
    }
    
    /* Button toggle với avatar - bên trong navbar-header */
    .navbar-header .navbar-toggle-img {
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        order: 2 !important;
        border: none !important;
        background: transparent !important;
        padding: 0 !important;
        margin: 0 !important;
        position: relative !important;
        float: none !important;
        height: 44px !important;
        width: 44px !important;
        flex-shrink: 0 !important;
    }
    
    .navbar-header .navbar-toggle-img img {
        width: 40px !important;
        height: 40px !important;
        border-radius: 50% !important;
        border: 2px solid rgba(255, 255, 255, 0.6) !important;
        object-fit: cover !important;
        transition: all 0.3s ease !important;
    }
    
    .navbar-header .navbar-toggle-img:hover img {
        border-color: var(--tvu-yellow) !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2) !important;
    }
    
    /* Ẩn navbar-buttons và navbar-menu trên mobile để tránh conflict */
    .navbar-buttons {
        display: none !important;
    }
    
    .navbar-menu {
        order: 3 !important;
        width: 100% !important;
    }
    
    /* Ẩn các menu khác trên mobile khi chưa toggle */
    .navbar-menu.collapse:not(.in) {
        display: none !important;
    }
    
    /* Form trong navbar */
    .navbar-menu .navbar-form,
    .navbar-menu form {
        margin: 8px 10px !important;
    }
    
    /* Container dropdown trong navbar */
    .navbar-menu .form-group,
    .navbar-header .form-group,
    .navbar-header > div {
        margin: 0 !important;
        gap: 8px !important;
        flex-wrap: nowrap !important;
    }
    
    /* Dropdown trong navbar */
    .navbar-menu select,
    .navbar-header select,
    #layout_select_box,
    .navbar-menu .form-control,
    .navbar-header .form-control {
        min-width: 120px !important;
        font-size: 12px !important;
        padding: 6px 30px 6px 10px !important;
        height: 36px !important;
        margin: 0 !important;
    }
    
    .navbar-menu label,
    .navbar-header label,
    label[for="layout"] {
        font-size: 11px !important;
        margin: 0 !important;
        line-height: 36px !important;
    }
    
    /* Page Header */
    .page-header {
        padding: 15px 20px !important;
    }
    
    .page-header h1 {
        font-size: 22px !important;
        flex-direction: column !important;
        align-items: flex-start !important;
    }
    
    .page-header h1 small {
        margin-left: 0 !important;
        margin-top: 5px !important;
        font-size: 14px !important;
    }
    
    /* Table */
    .table {
        font-size: 12px !important;
    }
    
    .table > thead > tr > th {
        font-size: 11px !important;
        padding: 12px 8px !important;
    }
    
    .table > tbody > tr > td {
        padding: 10px 8px !important;
        font-size: 12px !important;
    }
    
    /* Buttons */
    .btn {
        font-size: 11px !important;
        padding: 6px 10px !important;
    }
    
    .btn-xs, .btn-sm {
        padding: 4px 8px !important;
        font-size: 10px !important;
    }
    
    /* Widgets */
    .widget-box {
        margin-bottom: 15px !important;
    }
    
    .widget-header {
        padding: 12px 15px !important;
    }
    
    .widget-body {
        padding: 15px !important;
    }
    
    /* Forms */
    .form-control {
        font-size: 13px !important;
        padding: 8px 12px !important;
    }
    
    select.form-control {
        min-width: 150px !important;
    }
    
    /* Filter Toggle */
    .filter-toggle-wrapper {
        flex-direction: column !important;
        align-items: flex-start !important;
        padding: 10px !important;
    }
    
    #toggle-filter-btn {
        width: 100% !important;
        margin-bottom: 8px !important;
    }
    
    .filter-toggle-wrapper .text-muted {
        font-size: 11px !important;
    }
}

@media (max-width: 480px) {
    .navbar-brand {
        font-size: 14px !important;
        padding: 10px 12px !important;
    }
    
    .navbar-menu .navbar-form,
    .navbar-menu form {
        margin: 5px !important;
    }
    
    .navbar-menu .form-group,
    .navbar-header .form-group,
    .navbar-header > div {
        margin: 0 !important;
        gap: 5px !important;
    }
    
    .navbar-menu label,
    .navbar-header label,
    label[for="layout"] {
        font-size: 10px !important;
        line-height: 32px !important;
    }
    
    .navbar-menu select,
    .navbar-header select,
    #layout_select_box {
        min-width: 100px !important;
        font-size: 11px !important;
        height: 32px !important;
        padding: 5px 28px 5px 8px !important;
    }
    
    .page-header h1 {
        font-size: 18px !important;
    }
}

/* ==========================================
   TVU Course View Styles (admin_view.ctp)
   ========================================== */

/* Header Card */
.tvu-course-view .tvu-header-card {
    background: linear-gradient(135deg, #053384 0%, #0648a8 100%);
    border-radius: 12px;
    margin-bottom: 15px;
    box-shadow: 0 4px 15px rgba(5, 51, 132, 0.25);
    overflow: hidden;
}

.tvu-course-view .tvu-header-content {
    padding: 18px 25px;
    color: #FFFFFF;
}

.tvu-course-view .tvu-course-title {
    font-size: 20px;
    color: #FFFFFF !important;
    margin: 0 0 12px 0;
    font-weight: 600;
    line-height: 1.3;
}

.tvu-course-view .tvu-title-icon {
    color: #FFD700;
    margin-right: 12px;
    font-size: 26px;
}

.tvu-course-view .tvu-meta-info {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 15px;
    font-size: 14px;
}

.tvu-course-view .tvu-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.tvu-course-view .tvu-meta-item i {
    color: #FFD700;
}

.tvu-course-view .tvu-meta-value {
    background: rgba(255, 255, 255, 0.15);
    padding: 4px 10px;
    border-radius: 4px;
    font-weight: 600;
}

/* Action Buttons */
.tvu-course-view .tvu-action-buttons {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.tvu-course-view .tvu-btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.tvu-course-view .tvu-btn-edit {
    background: #FFD700;
    color: #053384 !important;
    border: 2px solid #FFD700;
}

.tvu-course-view .tvu-btn-edit:hover {
    background: #FFC700;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
}

.tvu-course-view .tvu-btn-list {
    background: white;
    color: #053384 !important;
    border: 2px solid white;
}

.tvu-course-view .tvu-btn-list:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

/* Grid Layout */
.tvu-course-view .tvu-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 12px 20px;
    padding: 15px 20px;
}

.tvu-course-view .tvu-info-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.tvu-course-view .tvu-info-item .tvu-label {
    font-size: 12px;
    font-weight: 600;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.tvu-course-view .tvu-info-item .tvu-label i {
    color: #053384;
    font-size: 14px;
}

.tvu-course-view .tvu-info-item .tvu-value {
    font-size: 13px;
    font-weight: 500;
    color: #333;
    padding: 6px 10px;
    background: #f8f9fa;
    border-radius: 6px;
    border-left: 3px solid #053384;
    min-height: 32px;
    display: flex;
    align-items: center;
}

/* Info Card */
.tvu-course-view .tvu-info-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    margin-bottom: 15px;
    overflow: hidden;
}

/* Table Styles */
.tvu-course-view .tvu-info-table {
    width: 100%;
    margin: 0 !important;
}

.tvu-course-view .tvu-info-table td {
    padding: 15px 25px;
    vertical-align: middle;
}

.tvu-course-view .tvu-info-table .tvu-label {
    width: 30%;
    font-weight: 600;
    color: #053384;
    background: rgba(5, 51, 132, 0.03);
}

.tvu-course-view .tvu-info-table .tvu-label i {
    color: #007500;
    margin-right: 8px;
}

.tvu-course-view .tvu-info-table .tvu-value {
    color: #1a1a1a;
    font-size: 15px;
}

.tvu-course-view .tvu-info-table tr {
    border-bottom: 1px solid #e8eaf6;
    transition: background-color 0.2s;
}

.tvu-course-view .tvu-info-table tr:hover {
    background-color: rgba(5, 51, 132, 0.02);
}

/* Compact table overrides */
.tvu-course-view .table-striped {
    margin-bottom: 0 !important;
}

.tvu-course-view .table-striped td,
.tvu-course-view .table-striped th {
    padding: 10px 12px !important;
    font-size: 13px !important;
}

/* Info Header - Base */
.tvu-course-view .tvu-info-header {
    background: linear-gradient(135deg, #053384 0%, #0648a8 100%);
    padding: 15px 20px;
    border-bottom: 3px solid #FFD700;
}

/* Evaluation Results Header - Green */
.tvu-course-view .tvu-evaluation-header {
    background: linear-gradient(135deg, #007500 0%, #009500 100%) !important;
    padding: 15px 20px;
    border-bottom: 3px solid #FFD700;
}

/* Teaching Staff Header - Blue */
.tvu-course-view .tvu-teaching-header {
    background: linear-gradient(135deg, #053384 0%, #0648a8 100%) !important;
    padding: 15px 20px;
    border-bottom: 3px solid #FFD700;
}

.tvu-course-view .tvu-info-title {
    color: #FFFFFF !important;
    margin: 0;
    font-size: 17px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: 0.3px;
}

.tvu-course-view .tvu-info-title i {
    color: #FFD700;
    font-size: 20px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* Count Badge */
.tvu-course-view .tvu-count-badge {
    background: rgba(255, 255, 255, 0.25);
    padding: 4px 14px;
    border-radius: 16px;
    font-size: 13px;
    font-weight: 600;
    margin-left: 10px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.2);
}

/* Badges */
.tvu-course-view .tvu-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 14px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.tvu-course-view .tvu-badge-blue {
    background: linear-gradient(135deg, #053384, #0648a8);
    color: white;
}

.tvu-course-view .tvu-badge-green {
    background: #006400;
    color: white;
}

.tvu-course-view .tvu-badge-orange {
    background: #E67E00;
    color: white;
}

.tvu-course-view .tvu-code {
    background: rgba(5, 51, 132, 0.1);
    color: #053384;
    padding: 6px 12px;
    border-radius: 4px;
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

/* Responsive - Course View */
@media (max-width: 768px) {
    .tvu-course-view .tvu-header-content {
        padding: 15px 12px;
    }
    
    .tvu-course-view .tvu-course-title {
        font-size: 16px;
    }
    
    .tvu-course-view .tvu-meta-info {
        flex-direction: column;
        gap: 8px;
    }
    
    .tvu-course-view .tvu-action-buttons {
        flex-direction: column;
    }
    
    .tvu-course-view .tvu-btn {
        width: 100%;
        justify-content: center;
    }
    
    .tvu-course-view .tvu-info-table .tvu-label,
    .tvu-course-view .tvu-info-table .tvu-value {
        display: block;
        width: 100%;
        padding: 6px 12px !important;
    }
    
    .tvu-course-view .tvu-info-grid {
        grid-template-columns: 1fr;
        padding: 15px;
        gap: 12px;
    }
    
    .tvu-course-view .tvu-info-header,
    .tvu-course-view .tvu-evaluation-header,
    .tvu-course-view .tvu-teaching-header {
        padding: 12px 15px;
    }
    
    .tvu-course-view .tvu-info-title {
        font-size: 14px;
    }
    
    .tvu-course-view .tvu-info-title i {
        font-size: 16px;
    }
    
    .tvu-course-view .tvu-count-badge {
        padding: 3px 10px;
        font-size: 11px;
        margin-left: 6px;
    }
    
    .tvu-course-view .table-striped td,
    .tvu-course-view .table-striped th {
        padding: 8px 10px !important;
        font-size: 12px !important;
    }
    
    .tvu-course-view .tvu-header-card {
        margin-bottom: 15px;
    }
    
    .tvu-course-view .tvu-info-card {
        margin-bottom: 15px;
    }
    
    /* Hide text in action buttons on mobile */
    .tvu-course-view .btn-action span {
        display: none !important;
    }
    
    .tvu-course-view .btn-action {
        padding: 5px 8px !important;
        min-width: 32px !important;
    }
}