/* BC Attendance Admin Dashboard CSS - AdminLTE 4 Inspired */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f6f9;
    font-size: 14px;
    line-height: 1.6;
}

/* Main Layout */
.wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.main-sidebar {
    width: 250px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1000;
    overflow-y: auto;
    transition: all 0.3s ease;
}

.main-sidebar::-webkit-scrollbar {
    width: 4px;
}

.main-sidebar::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.1);
}

.main-sidebar::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.3);
    border-radius: 2px;
}

/* Brand Logo */
.brand-link {
    display: flex;
    align-items: center;
    padding: 1rem;
    color: #fff;
    text-decoration: none;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.brand-image {
    width: 33px;
    height: 33px;
    background: #fff;
    border-radius: 50%;
    margin-right: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #667eea;
}

.brand-text {
    font-size: 1.2rem;
    font-weight: 600;
}

/* Navigation */
.nav-sidebar {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-item {
    margin: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.nav-link:hover {
    background-color: rgba(255,255,255,0.1);
    color: #fff;
    border-left-color: #fff;
}

.nav-link.active {
    background-color: rgba(255,255,255,0.2);
    color: #fff;
    border-left-color: #fff;
}

.nav-icon {
    width: 20px;
    height: 20px;
    margin-right: 10px;
    font-size: 16px;
    text-align: center;
}

/* Content Area */
.content-wrapper {
    margin-left: 250px;
    flex: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header/Navbar */
.main-header {
    background: #fff;
    border-bottom: 1px solid #dee2e6;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 999;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    height: 60px;
    min-height: 60px;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 1.5rem;
    height: 100%;
    min-height: 60px;
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 600;
    color: #495057;
    margin: 0;
}

.navbar-nav {
    display: flex;
    list-style: none;
    align-items: center;
    margin: 0;
    height: auto;
}

.nav-item.dropdown {
    position: relative;
}

.dropdown-toggle {
    background: none;
    border: none;
    color: #495057;
    padding: 8px 12px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    white-space: nowrap;
    overflow: hidden;
}

.dropdown-toggle:hover {
    background-color: #f8f9fa;
}

.dropdown-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 5px);
    background: #fff;
    border: 1px solid #dee2e6;
    border-radius: 5px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    min-width: 160px;
    z-index: 1050;
    display: none;
}

.dropdown-menu.show {
    display: block;
}

.dropdown-item {
    display: block;
    padding: 8px 16px;
    color: #495057;
    text-decoration: none;
    transition: background-color 0.3s;
}

.dropdown-item:hover {
    background-color: #f8f9fa;
}

/* Main Content */
.content {
    flex: 1;
    padding: 1.5rem;
}

.content-header {
    margin-bottom: 1.5rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: #495057;
    margin: 0;
}

.breadcrumb {
    background: none;
    padding: 0;
    margin: 0.5rem 0 0 0;
    font-size: 0.875rem;
}

.breadcrumb-item {
    color: #6c757d;
}

.breadcrumb-item.active {
    color: #495057;
}

/* Cards */
.card {
    background: #fff;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 1.5rem;
}

.card-header {
    background: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
    padding: 1rem 1.25rem;
    border-radius: 8px 8px 0 0;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #495057;
    margin: 0;
}

.card-body {
    padding: 1.25rem;
}

.card-footer {
    background: #f8f9fa;
    border-top: 1px solid #dee2e6;
    padding: 1rem 1.25rem;
    border-radius: 0 0 8px 8px;
}

/* Stats Cards */
.stats-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border: none;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.stats-card:hover {
    transform: translateY(-5px);
}

.stats-card .card-body {
    padding: 1.5rem;
}

.stats-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stats-label {
    font-size: 1rem;
    opacity: 0.9;
}

.stats-icon {
    font-size: 3rem;
    opacity: 0.3;
    position: absolute;
    right: 1rem;
    top: 1rem;
}

/* Tables */
.table-responsive {
    border-radius: 8px;
    overflow: hidden;
}

.table {
    margin-bottom: 0;
}

.table th {
    background-color: #f8f9fa;
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
    color: #495057;
    padding: 1rem 0.75rem;
}

.table td {
    padding: 0.75rem;
    vertical-align: middle;
    border-top: 1px solid #dee2e6;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(0,0,0,0.02);
}

/* Buttons */
.btn {
    padding: 0.5rem 1rem;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46a3 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.btn-success {
    background-color: #28a745;
    color: #fff;
}

.btn-success:hover {
    background-color: #218838;
}

.btn-warning {
    background-color: #ffc107;
    color: #212529;
}

.btn-warning:hover {
    background-color: #e0a800;
}

.btn-danger {
    background-color: #dc3545;
    color: #fff;
}

.btn-danger:hover {
    background-color: #c82333;
}

.btn-info {
    background-color: #17a2b8;
    color: #fff;
}

.btn-info:hover {
    background-color: #138496;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #495057;
}

.form-control {
    display: block;
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    border: 1px solid #ced4da;
    border-radius: 5px;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    border-color: #667eea;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m1 6 7 7 7-7'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.35em 0.65em;
    font-size: 0.75em;
    font-weight: 700;
    line-height: 1;
    color: #fff;
    text-align: center;
    border-radius: 0.375rem;
}

.badge-success {
    background-color: #28a745;
}

.badge-danger {
    background-color: #dc3545;
}

.badge-warning {
    background-color: #ffc107;
    color: #212529;
}

.badge-info {
    background-color: #17a2b8;
}

.badge-secondary {
    background-color: #6c757d;
}

/* Alerts */
.alert {
    position: relative;
    padding: 0.75rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.375rem;
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert-dismissible .btn-close {
    position: absolute;
    top: 0;
    right: 0;
    padding: 0.75rem 1.25rem;
    color: inherit;
    background: none;
    border: none;
    cursor: pointer;
}

/* Pagination */
.pagination {
    display: flex;
    list-style: none;
    border-radius: 5px;
    margin: 0;
}

.page-item {
    margin: 0 2px;
}

.page-link {
    position: relative;
    display: block;
    padding: 0.5rem 0.75rem;
    margin-left: -1px;
    line-height: 1.25;
    color: #667eea;
    background-color: #fff;
    border: 1px solid #dee2e6;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.page-link:hover {
    color: #495057;
    background-color: #e9ecef;
    border-color: #dee2e6;
}

.page-item.active .page-link {
    color: #fff;
    background-color: #667eea;
    border-color: #667eea;
}

.page-item.disabled .page-link {
    color: #6c757d;
    background-color: #fff;
    border-color: #dee2e6;
    cursor: not-allowed;
}

/* Utilities */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mb-3 {
    margin-bottom: 1rem;
}

.mt-3 {
    margin-top: 1rem;
}

.d-flex {
    display: flex;
}

.justify-content-between {
    justify-content: space-between;
}

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

.align-items-center {
    align-items: center;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin-left: -0.75rem;
    margin-right: -0.75rem;
}

.col-md-3, .col-md-4, .col-md-6, .col-md-8, .col-md-12 {
    position: relative;
    width: 100%;
    padding-left: 0.75rem;
    padding-right: 0.75rem;
}

.col-md-3 {
    flex: 0 0 25%;
    max-width: 25%;
}

.col-md-4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
}

.col-md-6 {
    flex: 0 0 50%;
    max-width: 50%;
}

.col-md-8 {
    flex: 0 0 66.666667%;
    max-width: 66.666667%;
}

.col-md-12 {
    flex: 0 0 100%;
    max-width: 100%;
}

/* Mobile Responsive Design */
@media (max-width: 1200px) {
    .content {
        padding: 1rem;
    }
    
    .stats-number {
        font-size: 2rem;
    }
    
    .stats-icon {
        font-size: 2.5rem;
    }
}

@media (max-width: 992px) {
    .main-sidebar {
        width: 280px;
    }
    
    .content-wrapper {
        margin-left: 280px;
    }
    
    .col-md-3, .col-md-4 {
        flex: 0 0 50%;
        max-width: 50%;
    }
    
    .table-responsive {
        font-size: 0.85rem;
    }
    
    .btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 768px) {
    /* Hide sidebar by default on mobile */
    .main-sidebar {
        transform: translateX(-100%);
        z-index: 1100;
        box-shadow: 2px 0 5px rgba(0,0,0,0.1);
    }
    
    /* Content takes full width */
    .content-wrapper {
        margin-left: 0;
    }
    
    /* Show sidebar when open */
    .sidebar-open .main-sidebar {
        transform: translateX(0);
    }
    
    /* Add overlay when sidebar is open */
    .sidebar-open::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.5);
        z-index: 1050;
    }
    
    /* Column layouts become full width */
    .col-md-3, .col-md-4, .col-md-6, .col-md-8 {
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: 1rem;
    }
    
    /* Adjust padding for mobile */
    .content {
        padding: 1rem 0.75rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    /* Make navbar more mobile friendly */
    .navbar {
        padding: 0.5rem 1rem;
    }
    
    .navbar-brand {
        font-size: 1.1rem;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }
    
    /* Sidebar toggle button */
    .sidebar-toggle {
        background: none;
        border: none;
        padding: 0.5rem;
        margin-right: 0.5rem;
        color: #495057;
        cursor: pointer;
        border-radius: 3px;
        transition: background-color 0.3s;
    }
    
    .sidebar-toggle:hover {
        background-color: #f8f9fa;
    }
    
    /* Stats cards on mobile */
    .stats-card {
        margin-bottom: 1rem;
    }
    
    .stats-number {
        font-size: 1.8rem;
    }
    
    .stats-icon {
        font-size: 2rem;
        right: 0.75rem;
        top: 0.75rem;
    }
    
    /* Tables on mobile */
    .table-responsive {
        border: none;
        font-size: 0.8rem;
    }
    
    .table th,
    .table td {
        padding: 0.5rem 0.25rem;
        font-size: 0.8rem;
    }
    
    .table th {
        white-space: nowrap;
    }
    
    /* Forms on mobile */
    .form-control {
        font-size: 1rem; /* Prevent zoom on iOS */
    }
    
    /* Buttons on mobile */
    .btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
        margin-bottom: 0.25rem;
    }
    
    .btn-block {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    /* Cards on mobile */
    .card {
        margin-bottom: 1rem;
        border-radius: 8px;
    }
    
    .card-header {
        padding: 0.75rem 1rem;
    }
    
    .card-title {
        font-size: 1rem;
    }
    
    /* Dropdowns on mobile */
    .dropdown-menu {
        min-width: 200px;
        max-width: 90vw;
        left: auto;
        right: 0;
    }
    
    /* Pagination on mobile */
    .pagination {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .page-link {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
    }
    
    /* Breadcrumbs on mobile */
    .breadcrumb {
        font-size: 0.8rem;
        flex-wrap: wrap;
    }
    
    /* Alerts on mobile */
    .alert {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    /* Extra small devices */
    .main-sidebar {
        width: 280px;
    }
    
    .content {
        padding: 0.75rem 0.5rem;
    }
    
    .navbar {
        padding: 0.5rem 0.75rem;
    }
    
    .navbar-brand {
        font-size: 1rem;
    }
    
    .sidebar-toggle {
        padding: 0.4rem;
        margin-right: 0.3rem;
    }
    
    /* Stats cards extra small */
    .stats-number {
        font-size: 1.5rem;
    }
    
    .stats-label {
        font-size: 0.85rem;
    }
    
    .stats-icon {
        font-size: 1.5rem;
        right: 0.5rem;
        top: 0.5rem;
    }
    
    /* Tables extra small */
    .table th,
    .table td {
        padding: 0.4rem 0.2rem;
        font-size: 0.75rem;
    }
    
    /* Buttons extra small */
    .btn {
        padding: 0.4rem 0.6rem;
        font-size: 0.85rem;
    }
    
    .btn-sm {
        padding: 0.25rem 0.4rem;
        font-size: 0.75rem;
    }
    
    /* Cards extra small */
    .card-body {
        padding: 0.75rem;
    }
    
    .card-header {
        padding: 0.5rem 0.75rem;
    }
    
    .card-title {
        font-size: 0.95rem;
    }
    
    /* Form controls extra small */
    .form-control {
        padding: 0.4rem 0.6rem;
        font-size: 1rem;
    }
    
    /* Dropdown menu extra small */
    .dropdown-menu {
        font-size: 0.85rem;
    }
    
    .dropdown-item {
        padding: 0.4rem 0.75rem;
    }
}

/* Landscape orientation adjustments */
@media (max-width: 768px) and (orientation: landscape) {
    .main-sidebar {
        width: 250px;
    }
    
    .content {
        padding: 0.75rem;
    }
    
    .stats-number {
        font-size: 1.6rem;
    }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    /* Touch devices */
    .btn {
        min-height: 44px;
        touch-action: manipulation;
    }
    
    .nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .dropdown-toggle {
        min-height: 44px;
    }
    
    .form-control {
        min-height: 44px;
        touch-action: manipulation;
    }
    
    .page-link {
        min-height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* Print styles */
@media print {
    .main-sidebar,
    .main-header,
    .btn,
    .pagination,
    .sidebar-toggle {
        display: none !important;
    }
    
    .content-wrapper {
        margin-left: 0 !important;
    }
    
    .content {
        padding: 0 !important;
    }
    
    .card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .table {
        font-size: 0.8rem;
    }
    
    .table th,
    .table td {
        padding: 0.3rem;
    }
}

/* Loading */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Treeview Menu Styles */
.nav-item.has-treeview > .nav-link .right {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    transition: transform 0.3s ease;
}

.nav-item.has-treeview.menu-open > .nav-link .right {
    transform: translateY(-50%) rotate(-90deg);
}

.nav-treeview {
    display: none;
    padding-left: 0;
    list-style: none;
}

.nav-item.has-treeview.menu-open > .nav-treeview {
    display: block;
}

.nav-treeview .nav-item {
    border-left: 2px solid rgba(255,255,255,0.2);
    margin-left: 1rem;
}

.nav-treeview .nav-link {
    padding: 0.5rem 1rem 0.5rem 2rem;
    font-size: 13px;
    position: relative;
    color: rgba(255,255,255,0.95) !important;
    font-weight: 500;
}

.nav-treeview .nav-link:hover {
    background-color: rgba(255,255,255,0.15);
    color: #fff !important;
    border-left-color: #fff;
}

.nav-treeview .nav-link.active {
    background-color: rgba(255,255,255,0.25);
    color: #fff !important;
    border-left-color: #fff;
    font-weight: 600;
}

.nav-treeview .nav-link:before {
    content: '';
    position: absolute;
    left: -2px;
    top: 50%;
    width: 8px;
    height: 2px;
    background: rgba(255,255,255,0.5);
    transform: translateY(-50%);
}

.nav-treeview .nav-link.active:before {
    background: white;
    width: 10px;
}

.nav-treeview .nav-link:hover:before {
    background: rgba(255,255,255,0.8);
    width: 10px;
}

.nav-treeview .nav-icon {
    margin-right: 0.5rem;
    font-size: 12px;
    color: inherit;
}

/* Dropdown Toggle Functionality */
.nav-item.has-treeview > .nav-link {
    cursor: pointer;
}

/* Enhanced treeview visibility */
.nav-item.has-treeview.menu-open {
    background-color: rgba(255,255,255,0.1);
}

.nav-item.has-treeview.menu-open > .nav-link {
    background-color: rgba(255,255,255,0.15);
    color: #fff !important;
    border-left-color: #fff;
}

/* Text shadow for better readability on gradient background */
.nav-treeview .nav-link {
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.nav-link {
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

/* Mobile-specific attendance page styles */
@media (max-width: 768px) {
    /* Attendance filter section */
    .filter-section .row {
        margin: 0;
    }
    
    .filter-section .col-md-3,
    .filter-section .col-md-4 {
        padding: 0.25rem;
        margin-bottom: 0.5rem;
    }
    
    /* Attendance summary cards */
    .attendance-summary .col-md-3 {
        flex: 0 0 50%;
        max-width: 50%;
        padding: 0.25rem;
    }
    
    .attendance-summary .card {
        margin-bottom: 0.5rem;
    }
    
    .attendance-summary .card-body {
        padding: 0.75rem 0.5rem;
        text-align: center;
    }
    
    .attendance-summary h4 {
        font-size: 1.2rem;
        margin-bottom: 0.25rem;
    }
    
    /* Attendance table on mobile */
    .attendance-table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .attendance-table {
        min-width: 600px;
        font-size: 0.8rem;
    }
    
    .attendance-table th,
    .attendance-table td {
        padding: 0.4rem 0.3rem;
        white-space: nowrap;
    }
    
    .attendance-table .student-name {
        min-width: 120px;
        max-width: 150px;
        white-space: normal;
        word-wrap: break-word;
    }
    
    /* Attendance buttons on mobile */
    .attendance-btn {
        padding: 0.3rem 0.6rem;
        font-size: 0.75rem;
        min-width: 70px;
    }
    
    .btn-group-toggle .btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
    
    /* Search box on mobile */
    .search-container input {
        font-size: 1rem;
        padding: 0.5rem 0.75rem;
    }
    
    /* Action buttons section */
    .action-buttons {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
        margin-bottom: 1rem;
    }
    
    .action-buttons .btn {
        flex: 1;
        min-width: calc(50% - 0.25rem);
        margin-bottom: 0.5rem;
    }
    
    /* Pagination on attendance page */
    .attendance-pagination {
        margin-top: 1rem;
        display: flex;
        justify-content: center;
    }
    
    .attendance-pagination .pagination {
        margin: 0;
    }
}

@media (max-width: 576px) {
    /* Extra small devices - attendance page */
    .attendance-summary .col-md-3 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .attendance-table {
        min-width: 500px;
        font-size: 0.75rem;
    }
    
    .attendance-table th,
    .attendance-table td {
        padding: 0.3rem 0.2rem;
    }
    
    .attendance-btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.7rem;
        min-width: 60px;
    }
    
    .action-buttons .btn {
        flex: 0 0 100%;
        min-width: 100%;
    }
}

/* Dashboard mobile styles */
@media (max-width: 768px) {
    .dashboard-stats .row {
        margin: 0 -0.25rem;
    }
    
    .dashboard-stats .col-md-3 {
        padding: 0.25rem;
        margin-bottom: 0.5rem;
    }
    
    .dashboard-quick-actions .col-md-3 {
        padding: 0.25rem;
        margin-bottom: 0.5rem;
    }
    
    .dashboard-quick-actions .btn {
        padding: 1rem 0.5rem;
        height: auto;
        white-space: normal;
        line-height: 1.2;
    }
    
    .dashboard-quick-actions .btn i {
        display: block;
        margin-bottom: 0.5rem;
        font-size: 1.5rem;
    }
}

/* Reports page mobile styles */
@media (max-width: 768px) {
    .report-filters .row {
        margin: 0;
    }
    
    .report-filters .col-md-3,
    .report-filters .col-md-4 {
        padding: 0.25rem;
        margin-bottom: 0.5rem;
    }
    
    .export-buttons .btn {
        margin-bottom: 0.5rem;
        width: 100%;
    }
    
    .report-results table {
        font-size: 0.8rem;
    }
    
    .report-results th,
    .report-results td {
        padding: 0.4rem 0.3rem;
    }
}

/* Form improvements for mobile */
@media (max-width: 768px) {
    .form-row .col-md-6 {
        margin-bottom: 1rem;
    }
    
    .form-group label {
        font-weight: 600;
        margin-bottom: 0.25rem;
    }
    
    .input-group {
        margin-bottom: 1rem;
    }
    
    .input-group .form-control {
        border-radius: 0.375rem 0 0 0.375rem;
    }
    
    .input-group-append .btn {
        border-radius: 0 0.375rem 0.375rem 0;
    }
}

/* Modal improvements for mobile */
@media (max-width: 768px) {
    .modal-dialog {
        margin: 0.5rem;
        max-width: calc(100vw - 1rem);
    }
    
    .modal-content {
        border-radius: 0.5rem;
    }
    
    .modal-header {
        padding: 0.75rem 1rem;
        border-bottom: 1px solid #dee2e6;
    }
    
    .modal-title {
        font-size: 1.1rem;
    }
    
    .modal-body {
        padding: 1rem;
        max-height: calc(100vh - 200px);
        overflow-y: auto;
    }
    
    .modal-footer {
        padding: 0.75rem 1rem;
        flex-wrap: wrap;
    }
    
    .modal-footer .btn {
        margin-bottom: 0.5rem;
        flex: 1;
        min-width: calc(50% - 0.25rem);
    }
}

/* Table card mobile styles */
@media (max-width: 768px) {
    .table-card {
        margin-bottom: 1rem;
        border-radius: 0.5rem;
        overflow: hidden;
    }
    
    .table-card .card-header {
        padding: 0.75rem 1rem;
        background: #f8f9fa;
        border-bottom: 1px solid #dee2e6;
    }
    
    .table-card .card-title {
        font-size: 1rem;
        margin: 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    
    .table-card .card-tools {
        display: flex;
        gap: 0.5rem;
    }
    
    .table-card .card-tools .btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.8rem;
    }
}