/* LEAD LMS - Mobile Responsive Styles */
/* Mobile-first approach with progressive enhancement */

/* Base Mobile Styles (320px and up) */
@media (max-width: 767.98px) {
    /* General Mobile Optimizations */
    body {
        font-size: 14px;
        line-height: 1.4;
    }

    /* Sidebar Responsive Behavior */
    .sidebar {
        position: fixed !important;
        top: 0;
        left: -250px;
        width: 250px !important;
        height: 100vh;
        z-index: 1050;
        transition: left 0.3s ease-in-out;
        overflow-y: auto;
    }

    .sidebar.show {
        left: 0;
    }

    /* Content wrapper adjustments for mobile */
    #content-wrapper {
        margin-left: 0 !important;
        width: 100% !important;
    }

    /* Mobile overlay for sidebar */
    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1040;
        display: none;
    }

    .sidebar-overlay.show {
        display: block;
    }

    /* Topbar mobile adjustments */
    .topbar {
        padding: 0.5rem 1rem;
    }

    .topbar .navbar-nav {
        flex-direction: row;
        align-items: center;
    }

    /* Mobile navigation improvements */
    .navbar-nav .nav-item .nav-link {
        padding: 0.5rem;
        font-size: 0.875rem;
    }

    /* Sidebar brand mobile */
    .sidebar-brand {
        padding: 1rem;
        font-size: 1rem;
    }

    .sidebar-brand-text {
        font-size: 0.9rem;
    }

    /* Sidebar navigation mobile */
    .sidebar .nav-item .nav-link {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }

    .sidebar .nav-item .nav-link span {
        margin-left: 0.5rem;
    }

    /* Container and content adjustments */
    .container-fluid {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    /* Card responsive behavior */
    .card {
        margin-bottom: 1rem;
        border-radius: 0.5rem;
    }

    .card-header {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }

    .card-body {
        padding: 1rem;
    }

    /* Button responsive sizing */
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
        border-radius: 0.375rem;
    }

    .btn-sm {
        padding: 0.375rem 0.75rem;
        font-size: 0.8rem;
    }

    /* Form responsive improvements */
    .form-group {
        margin-bottom: 1rem;
    }

    .form-control {
        padding: 0.75rem;
        font-size: 0.875rem;
        border-radius: 0.375rem;
    }

    .form-control-sm {
        padding: 0.5rem;
        font-size: 0.8rem;
    }

    /* Modal responsive behavior */
    .modal-dialog {
        margin: 1rem;
        max-width: calc(100% - 2rem);
    }

    .modal-content {
        border-radius: 0.5rem;
    }

    .modal-header {
        padding: 1rem;
        border-bottom: 1px solid #dee2e6;
    }

    .modal-body {
        padding: 1rem;
        max-height: 60vh;
        overflow-y: auto;
    }

    .modal-footer {
        padding: 0.75rem 1rem;
        border-top: 1px solid #dee2e6;
    }

    /* Table responsive behavior */
    .table-responsive {
        border: none;
        margin-bottom: 1rem;
    }

    .table {
        font-size: 0.8rem;
        margin-bottom: 0;
    }

    .table th,
    .table td {
        padding: 0.5rem;
        vertical-align: middle;
        border-top: 1px solid #dee2e6;
    }

    .table thead th {
        font-size: 0.75rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    /* Dropdown responsive behavior */
    .dropdown-menu {
        font-size: 0.875rem;
        border-radius: 0.375rem;
        box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.1);
    }

    .dropdown-item {
        padding: 0.5rem 1rem;
    }

    /* Alert responsive styling */
    .alert {
        padding: 0.75rem 1rem;
        margin-bottom: 1rem;
        border-radius: 0.375rem;
        font-size: 0.875rem;
    }

    /* Badge responsive styling */
    .badge {
        font-size: 0.75rem;
        padding: 0.375rem 0.5rem;
        border-radius: 0.25rem;
    }

    /* Progress bar responsive */
    .progress {
        height: 0.75rem;
        border-radius: 0.375rem;
    }

    /* Pagination responsive */
    .pagination {
        margin-bottom: 0;
    }

    .page-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }

    /* Breadcrumb responsive */
    .breadcrumb {
        padding: 0.5rem 0;
        margin-bottom: 1rem;
        font-size: 0.875rem;
        background-color: transparent;
    }

    /* List group responsive */
    .list-group-item {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }

    /* Nav tabs/pills responsive */
    .nav-tabs .nav-link,
    .nav-pills .nav-link {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }

    /* Accordion responsive */
    .accordion .card-header {
        padding: 0.75rem 1rem;
    }

    .accordion .btn {
        font-size: 0.875rem;
        text-align: left;
    }

    /* Dashboard specific mobile styles */
    .row {
        margin-left: -0.5rem;
        margin-right: -0.5rem;
    }

    .col-xl-3,
    .col-xl-4,
    .col-xl-6,
    .col-xl-8,
    .col-xl-12,
    .col-lg-3,
    .col-lg-4,
    .col-lg-6,
    .col-lg-8,
    .col-lg-12,
    .col-md-3,
    .col-md-4,
    .col-md-6,
    .col-md-8,
    .col-md-12 {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
        margin-bottom: 1rem;
    }

    /* Classroom cards mobile optimization */
    .clickable-classroom {
        margin-bottom: 1rem;
    }

    .clickable-classroom .card-body {
        padding: 0.75rem;
    }

    /* Sort controls mobile */
    .sort-controls {
        flex-direction: column;
        align-items: stretch !important;
        gap: 0.5rem;
    }

    .sort-controls select {
        min-width: 100%;
        width: 100%;
    }

    /* Group headers mobile */
    .group-header {
        font-size: 0.9rem;
        padding: 0.75rem 1rem;
        margin: 1rem 0 0.75rem 0;
    }

    /* File upload mobile */
    .file-upload-area {
        padding: 1rem;
        margin-bottom: 1rem;
    }

    /* Quiz interface mobile */
    .quiz-container {
        padding: 0.75rem;
    }

    .quiz-question {
        margin-bottom: 1rem;
        padding: 0.75rem;
    }

    .quiz-options {
        margin-top: 0.5rem;
    }

    .quiz-option {
        margin-bottom: 0.5rem;
        padding: 0.5rem;
        font-size: 0.875rem;
    }

    /* Assessment mobile styles */
    .assessment-item {
        margin-bottom: 1rem;
        padding: 0.75rem;
    }

    /* Profile modal mobile */
    .profile-info {
        text-align: center;
        padding: 0.5rem;
    }

    /* Search and filter mobile */
    .search-filter-container {
        flex-direction: column;
        gap: 0.5rem;
    }

    .search-input,
    .filter-select {
        width: 100%;
        margin-bottom: 0.5rem;
    }

    /* Responsive text sizing */
    .text-xs { font-size: 0.7rem !important; }
    .text-sm { font-size: 0.8rem !important; }
    .text-lg { font-size: 1.1rem !important; }
    .text-xl { font-size: 1.2rem !important; }

    /* Mobile-specific utilities */
    .mobile-hidden {
        display: none !important;
    }

    .mobile-visible {
        display: block !important;
    }

    .mobile-text-center {
        text-align: center !important;
    }

    .mobile-full-width {
        width: 100% !important;
    }

    /* Touch-friendly improvements */
    .btn,
    .nav-link,
    .dropdown-item,
    .list-group-item {
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    /* Improved spacing for touch */
    .nav-item {
        margin-bottom: 0.25rem;
    }

    /* Mobile menu improvements */
    .mobile-menu-toggle {
        display: block;
        background: none;
        border: none;
        font-size: 1.25rem;
        padding: 0.5rem;
        color: #5a5c69;
    }

    /* Hide desktop-only elements */
    .d-none.d-md-inline,
    .d-none.d-lg-block,
    .d-none.d-xl-block {
        display: none !important;
    }
}

/* Small Mobile Devices (up to 575.98px) */
@media (max-width: 575.98px) {
    /* Extra small screen optimizations */
    body {
        font-size: 13px;
    }

    .container-fluid {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }

    /* Sidebar adjustments for very small screens */
    .sidebar {
        width: 280px !important;
        left: -280px;
    }

    /* Card adjustments */
    .card-body {
        padding: 0.75rem;
    }

    /* Button adjustments */
    .btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }

    /* Form adjustments */
    .form-control {
        padding: 0.625rem;
        font-size: 0.8rem;
    }

    /* Modal adjustments */
    .modal-dialog {
        margin: 0.5rem;
        max-width: calc(100% - 1rem);
    }

    .modal-body {
        max-height: 50vh;
    }

    /* Table adjustments */
    .table {
        font-size: 0.75rem;
    }

    .table th,
    .table td {
        padding: 0.375rem;
    }

    /* Typography adjustments */
    h1, .h1 { font-size: 1.75rem; }
    h2, .h2 { font-size: 1.5rem; }
    h3, .h3 { font-size: 1.25rem; }
    h4, .h4 { font-size: 1.1rem; }
    h5, .h5 { font-size: 1rem; }
    h6, .h6 { font-size: 0.9rem; }

    /* Extra small specific adjustments */
    .row {
        margin-left: -0.25rem;
        margin-right: -0.25rem;
    }

    .col-xl-3,
    .col-xl-4,
    .col-xl-6,
    .col-xl-8,
    .col-xl-12,
    .col-lg-3,
    .col-lg-4,
    .col-lg-6,
    .col-lg-8,
    .col-lg-12,
    .col-md-3,
    .col-md-4,
    .col-md-6,
    .col-md-8,
    .col-md-12 {
        padding-left: 0.25rem;
        padding-right: 0.25rem;
    }

    /* Smaller cards for very small screens */
    .card {
        margin-bottom: 0.75rem;
    }

    .card-header {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
    }

    /* Compact navigation */
    .sidebar .nav-item .nav-link {
        padding: 0.625rem 0.75rem;
        font-size: 0.8rem;
    }

    .sidebar-brand {
        padding: 0.75rem;
    }

    .sidebar-brand-text {
        font-size: 0.85rem;
    }
}

/* Tablet Styles (768px to 991.98px) */
@media (min-width: 768px) and (max-width: 991.98px) {
    /* Tablet optimizations */
    .sidebar {
        width: 200px;
    }

    #content-wrapper {
        margin-left: 200px;
    }

    .container-fluid {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    /* Tablet card adjustments */
    .card-body {
        padding: 1.25rem;
    }

    /* Tablet form adjustments */
    .form-control {
        padding: 0.75rem;
        font-size: 0.9rem;
    }

    /* Tablet table adjustments */
    .table {
        font-size: 0.875rem;
    }

    .table th,
    .table td {
        padding: 0.75rem;
    }

    /* Tablet modal adjustments */
    .modal-dialog {
        max-width: 600px;
        margin: 1.75rem auto;
    }

    /* Tablet navigation */
    .sidebar .nav-item .nav-link {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }

    /* Tablet grid adjustments */
    .col-xl-3,
    .col-lg-3 {
        flex: 0 0 50%;
        max-width: 50%;
    }

    .col-xl-4,
    .col-lg-4 {
        flex: 0 0 50%;
        max-width: 50%;
    }

    .col-xl-6,
    .col-lg-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* Large Tablet/Small Desktop (992px to 1199.98px) */
@media (min-width: 992px) and (max-width: 1199.98px) {
    /* Large tablet optimizations */
    .sidebar {
        width: 224px;
    }

    #content-wrapper {
        margin-left: 224px;
    }

    .container-fluid {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    /* Adjust grid for large tablets */
    .col-xl-3 {
        flex: 0 0 33.333333%;
        max-width: 33.333333%;
    }

    .col-xl-4 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

/* Large Desktop (1200px and up) */
@media (min-width: 1200px) {
    /* Large desktop optimizations */
    .container-fluid {
        padding-left: 2rem;
        padding-right: 2rem;
    }

    /* Enhanced spacing for large screens */
    .card {
        margin-bottom: 1.5rem;
    }

    .card-body {
        padding: 1.5rem;
    }

    /* Better typography for large screens */
    .table {
        font-size: 0.9rem;
    }

    .table th,
    .table td {
        padding: 1rem;
    }

    /* Enhanced modals for large screens */
    .modal-dialog {
        max-width: 800px;
    }

    .modal-lg {
        max-width: 1000px;
    }
}

/* Extra Large Desktop (1400px and up) */
@media (min-width: 1400px) {
    .container-fluid {
        max-width: 1320px;
        margin: 0 auto;
        padding-left: 2rem;
        padding-right: 2rem;
    }

    /* Enhanced spacing for extra large screens */
    .card {
        margin-bottom: 2rem;
    }

    .card-body {
        padding: 2rem;
    }
}

/* Landscape Mobile Orientation */
@media (max-width: 767.98px) and (orientation: landscape) {
    /* Landscape mobile optimizations */
    .sidebar {
        width: 200px !important;
        left: -200px;
    }

    .modal-body {
        max-height: 40vh;
    }

    /* Compact header for landscape */
    .topbar {
        padding: 0.25rem 1rem;
    }

    /* Reduce vertical spacing in landscape */
    .card {
        margin-bottom: 0.75rem;
    }

    .card-body {
        padding: 0.75rem;
    }

    /* Compact forms in landscape */
    .form-control {
        padding: 0.5rem;
    }

    .btn {
        padding: 0.375rem 0.75rem;
    }
}

/* Print Styles */
@media print {
    /* Hide navigation and non-essential elements */
    .sidebar,
    .topbar,
    .btn,
    .dropdown,
    .modal,
    .alert {
        display: none !important;
    }

    /* Full width for content */
    #content-wrapper {
        margin-left: 0 !important;
        width: 100% !important;
    }

    /* Print-friendly styling */
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: #000;
        background: #fff;
    }

    .card {
        border: 1px solid #000;
        margin-bottom: 1rem;
        page-break-inside: avoid;
    }

    .table {
        border-collapse: collapse;
        width: 100%;
    }

    .table th,
    .table td {
        border: 1px solid #000;
        padding: 0.5rem;
    }

    /* Page breaks */
    h1, h2, h3 {
        page-break-after: avoid;
    }

    .page-break {
        page-break-before: always;
    }
}

/* Additional Mobile Enhancements */
@media (max-width: 767.98px) {
    /* Enhanced mobile sidebar behavior */
    .sidebar.mobile-open {
        left: 0 !important;
        box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    }

    /* Mobile-specific topbar enhancements */
    .topbar .navbar-nav .nav-item .nav-link {
        padding: 0.75rem 0.5rem;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Enhanced mobile forms */
    .form-row {
        flex-direction: column;
    }

    .form-row .col,
    .form-row .col-md-6,
    .form-row .col-lg-6 {
        width: 100%;
        margin-bottom: 1rem;
    }

    /* Mobile-friendly input groups */
    .input-group {
        flex-direction: column;
    }

    .input-group .form-control {
        border-radius: 0.375rem !important;
        margin-bottom: 0.5rem;
    }

    .input-group-append,
    .input-group-prepend {
        width: 100%;
        margin-left: 0;
        margin-right: 0;
    }

    .input-group-append .btn,
    .input-group-prepend .btn {
        width: 100%;
        border-radius: 0.375rem !important;
    }

    /* Enhanced mobile cards */
    .card-columns {
        column-count: 1;
    }

    .card-deck {
        flex-direction: column;
    }

    .card-deck .card {
        margin-bottom: 1rem;
    }

    /* Mobile-friendly progress bars */
    .progress {
        height: 1rem;
        margin-bottom: 1rem;
    }

    /* Enhanced mobile alerts */
    .alert {
        border-radius: 0.5rem;
        margin-bottom: 1rem;
    }

    .alert-dismissible .close {
        padding: 0.75rem 1rem;
        font-size: 1.25rem;
    }

    /* Mobile-friendly badges */
    .badge {
        font-size: 0.8rem;
        padding: 0.5rem 0.75rem;
        border-radius: 0.375rem;
    }

    /* Enhanced mobile tooltips and popovers */
    .tooltip,
    .popover {
        font-size: 0.875rem;
    }

    /* Mobile-specific utility classes */
    .mobile-stack {
        flex-direction: column !important;
    }

    .mobile-center {
        text-align: center !important;
    }

    .mobile-full {
        width: 100% !important;
    }

    .mobile-hide {
        display: none !important;
    }

    .mobile-show {
        display: block !important;
    }

    /* Enhanced touch targets */
    .btn-group-vertical .btn {
        min-height: 44px;
    }

    .list-group-item-action {
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    /* Mobile-friendly carousel */
    .carousel-control-prev,
    .carousel-control-next {
        width: 15%;
        opacity: 0.8;
    }

    .carousel-indicators {
        bottom: 10px;
    }

    .carousel-indicators li {
        width: 12px;
        height: 12px;
        border-radius: 50%;
    }

    /* Enhanced mobile navigation */
    .nav-pills .nav-link {
        border-radius: 0.5rem;
        margin-bottom: 0.25rem;
    }

    .nav-tabs .nav-link {
        border-radius: 0.5rem 0.5rem 0 0;
        margin-bottom: 0.25rem;
    }

    /* Mobile-friendly file inputs */
    .custom-file {
        margin-bottom: 1rem;
    }

    .custom-file-label {
        padding: 0.75rem;
        border-radius: 0.375rem;
    }

    /* Enhanced mobile switches and checkboxes */
    .custom-switch {
        padding-left: 3rem;
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .custom-control {
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .custom-control-label {
        padding-left: 0.5rem;
    }

    /* Mobile-friendly date pickers */
    .datepicker {
        font-size: 1rem;
    }

    .datepicker td,
    .datepicker th {
        width: 44px;
        height: 44px;
        line-height: 44px;
    }
}

/* Touch device specific enhancements */
.touch-device {
    /* Larger touch targets */
}

.touch-device .btn,
.touch-device .nav-link,
.touch-device .dropdown-item {
    min-height: 44px;
    min-width: 44px;
}

.touch-device .form-control {
    min-height: 44px;
}

/* High DPI display optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Crisp borders and shadows for high DPI displays */
    .card,
    .btn,
    .form-control {
        border-width: 0.5px;
    }

    .shadow {
        box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important;
    }

    .shadow-sm {
        box-shadow: 0 0.0625rem 0.1875rem rgba(0, 0, 0, 0.075) !important;
    }

    .shadow-lg {
        box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
    }
}