:root {
    --sena-orange: #ff6b00;
    --sena-green: #39a900;
    --dark-bg: #1e1e1e;
    --sidebar-width: 320px;
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    --card-bg: #ffffff;
    --text-color: #212529;
}

body {
    background-color: #f4f7fa;
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Sidebar Styling */
.sidebar {
    height: 100vh;
    width: var(--sidebar-width);
    background: var(--dark-bg);
    color: white;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1040;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sidebar .list-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sidebar-heading {
    padding: 2rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.list-group-item {
    background: transparent !important;
    color: rgba(255, 255, 255, 0.7) !important;
    border: none !important;
    padding: 0.8rem 1.5rem !important;
    margin: 0.2rem 1rem !important;
    border-radius: 10px !important;
    transition: all 0.3s;
}

.list-group-item:hover,
.list-group-item.active {
    background: rgba(255, 255, 255, 0.1) !important;
    color: white !important;
}

.list-group-item.active {
    background: var(--sena-orange) !important;
}

.btn-logout {
    margin-top: auto;
    margin-bottom: 2rem;
    background: #dc3545 !important;
    color: white !important;
}

/* Sidebar Tree Navigation - Refined */
.sidebar-tree-container {
    padding: 0 0.5rem;
}

.course-item {
    margin-bottom: 0.5rem;
}

.course-header {
    display: flex;
    align-items: center;
    padding: 0.7rem 1rem;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 10px;
    transition: all 0.3s;
    cursor: pointer;
}

.course-header:hover {
    background: rgba(255, 255, 255, 0.05);
    color: white;
}

.course-header .toggle-icon {
    margin-left: auto;
    font-size: 0.7rem;
    transition: transform 0.3s;
}

.course-header:not(.collapsed) .toggle-icon {
    transform: rotate(180deg);
}

.course-body {
    padding-left: 1.5rem;
    margin-left: 0.8rem;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-item-nested {
    display: flex;
    align-items: center;
    padding: 0.4rem 0.8rem;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.8rem;
    border-radius: 6px;
    margin: 0.1rem 0;
    transition: all 0.2s;
}

.sidebar-item-nested:hover {
    color: var(--sena-orange);
    background: rgba(255, 255, 255, 0.03);
}

.tree-node-folder {
    margin-top: 0.2rem;
}

.tree-node-folder-label {
    display: flex;
    align-items: center;
    padding: 0.3rem 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    border-radius: 6px;
    user-select: none;
}

.tree-node-folder-label:hover {
    color: white;
    background: rgba(255, 255, 255, 0.03);
}

.tree-node-folder-content {
    padding-left: 1rem;
    margin-left: 0.5rem;
    border-left: 1px dashed rgba(255, 255, 255, 0.1);
}

.tree-file-link {
    display: flex;
    align-items: center;
    padding: 0.3rem 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 0.75rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border-radius: 4px;
}

.tree-file-link:hover {
    color: var(--sena-orange);
    background: rgba(255, 255, 255, 0.03);
}

.sidebar-header-pill {
    font-size: 0.65rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255, 255, 255, 0.3);
    margin: 2rem 1rem 0.8rem 1.5rem;
}

/* Content Area */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1 1 auto;
    padding: 0;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content>.container-fluid:last-of-type {
    flex: 1 1 auto;
    overflow-y: visible;
}

/* Navbar Tuning */
.navbar-custom {
    padding: 1rem 2rem;
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
}

/* Card Enhancements */
.card-premium {
    border: none;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

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

.btn-sena {
    background-color: var(--sena-orange);
    color: white;
    font-weight: 600;
    padding: 0.6rem 1.5rem;
    border-radius: 12px;
    border: none;
    transition: all 0.3s;
}

.btn-sena:hover {
    background-color: #e65a00;
    color: white;
    box-shadow: 0 5px 15px rgba(255, 107, 0, 0.3);
}

/* Calendar Sidebar Widget */
.sidebar-calendar {
    background: #e9ecef;
    border-radius: 15px;
    margin: 0.8rem 0.5rem;
    padding: 0.8rem 0.4rem;
    color: #333;
}

.calendar-header {
    background: white;
    padding: 10px;
    border-radius: 10px;
    text-align: center;
    font-weight: bold;
    color: var(--sena-green);
    margin-bottom: 15px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.calendar-mini-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0;
    text-align: center;
    font-size: 0.75rem;
}

.calendar-day-name {
    font-weight: bold;
    color: #666;
    padding-bottom: 5px;
}

.calendar-day {
    padding: 5px;
    border-radius: 5px;
}

.calendar-day.today {
    background: var(--sena-green);
    color: white;
    font-weight: bold;
}

.calendar-footer-links {
    margin-top: 15px;
    border-top: 1px solid #dee2e6;
    padding-top: 10px;
}

.calendar-footer-links a {
    display: block;
    color: #495057;
    text-decoration: none;
    font-size: 0.85rem;
    margin-bottom: 5px;
}

.calendar-footer-links a:hover {
    color: var(--sena-orange);
}

/* Full Calendar Styles */
.calendar-full-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    background: #dee2e6;
    gap: 1px;
    border: 1px solid #dee2e6;
    border-radius: 10px;
    overflow: hidden;
}

.calendar-full-day-header {
    background: #f8f9fa;
    padding: 15px;
    text-align: center;
    font-weight: bold;
    color: #333;
}

.calendar-full-day {
    background: white;
    min-height: 120px;
    padding: 10px;
    position: relative;
}

.calendar-number {
    font-weight: bold;
    margin-bottom: 5px;
}

.calendar-number.today {
    background: var(--sena-green);
    color: white;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.calendar-event {
    font-size: 0.75rem;
    padding: 3px 8px;
    border-radius: 4px;
    margin-bottom: 3px;
    color: white;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.event-site {
    background: #39a900;
}

.event-category {
    background: #a333c8;
}

.event-course {
    background: #f2711c;
}

.event-group {
    background: #fbbd08;
}

.event-user {
    background: #2185d0;
}

.event-other {
    background: #767676;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-5px);
    }

    60% {
        transform: translateY(-3px);
    }
}

.bounce {
    animation: bounce 2s infinite;
}

/* ========== BREADCRUMBS ========== */
.lms-breadcrumb {
    padding: 0.6rem 0;
    margin-bottom: 0.5rem;
}

.lms-breadcrumb .breadcrumb {
    background: transparent;
    padding: 0;
    font-size: 0.82rem;
    font-weight: 500;
}

.lms-breadcrumb .breadcrumb-item a {
    color: var(--sena-green);
    text-decoration: none;
    transition: color 0.2s;
}

.lms-breadcrumb .breadcrumb-item a:hover {
    color: var(--sena-orange);
}

.lms-breadcrumb .breadcrumb-item.active {
    color: #6c757d;
    font-weight: 600;
}

.lms-breadcrumb .breadcrumb-item+.breadcrumb-item::before {
    content: "›";
    font-size: 1rem;
    font-weight: 700;
    color: #ccc;
}

.lms-breadcrumb .breadcrumb-item i {
    font-size: 0.75rem;
}

[data-theme="dark"] .lms-breadcrumb .breadcrumb-item.active {
    color: var(--dark-text-muted);
}

[data-theme="dark"] .lms-breadcrumb .breadcrumb-item+.breadcrumb-item::before {
    color: #555;
}

/* ========== DATATABLES CUSTOM ========== */
.dataTables_wrapper .dataTables_filter input {
    border-radius: 10px;
    border: 1px solid #dee2e6;
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}

.dataTables_wrapper .dataTables_length select {
    display: inline-block !important;
    width: auto !important;
    min-width: 70px;
    margin: 0 8px;
    padding: 0.375rem 2.25rem 0.375rem 0.75rem;
    font-size: 0.85rem;
    font-weight: 400;
    line-height: 1.5;
    color: #212529;
    background-color: #fff;
    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='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.55rem center;
    background-size: 14px 10px;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    cursor: pointer;
}

.dataTables_wrapper .dataTables_length label {
    display: flex;
    align-items: center;
    font-size: 0.85rem;
    color: #6c757d;
    white-space: nowrap;
}

.dataTables_wrapper .dataTables_info {
    font-size: 0.8rem;
    color: #6c757d;
}

.dataTables_wrapper .page-link {
    border-radius: 8px !important;
    margin: 0 2px;
    font-size: 0.8rem;
    border: none;
    color: var(--sena-green);
}

.dataTables_wrapper .page-item.active .page-link {
    background: var(--sena-green);
    border-color: var(--sena-green);
    color: white;
}

.dataTables_wrapper .dt-buttons .btn {
    border-radius: 8px;
    font-size: 0.78rem;
    padding: 0.3rem 0.7rem;
}

table.dataTable thead th {
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    color: #495057;
    border-bottom: 2px solid #dee2e6 !important;
}

table.dataTable tbody td {
    font-size: 0.85rem;
    vertical-align: middle;
}

/* Dark mode DataTables */
[data-theme="dark"] .dataTables_wrapper .dataTables_filter input {
    background: var(--dark-bg-input);
    border-color: var(--dark-border);
    color: var(--dark-text);
}

[data-theme="dark"] .dataTables_wrapper .dataTables_length select {
    background: var(--dark-bg-input);
    border-color: var(--dark-border);
    color: var(--dark-text);
}

[data-theme="dark"] .dataTables_wrapper .dataTables_length label {
    color: var(--dark-text-muted);
}

[data-theme="dark"] .dataTables_wrapper .dataTables_info {
    color: var(--dark-text-muted);
}

[data-theme="dark"] .dataTables_wrapper .page-link {
    background: var(--dark-bg-card);
    color: var(--dark-text);
}

[data-theme="dark"] .dataTables_wrapper .page-item.active .page-link {
    background: var(--sena-green);
    color: white;
}

[data-theme="dark"] table.dataTable thead th {
    color: var(--dark-text-muted);
    border-bottom-color: var(--dark-border) !important;
}

[data-theme="dark"] table.dataTable tbody td {
    color: var(--dark-text);
}

[data-theme="dark"] table.dataTable tbody tr:hover {
    background: var(--dark-hover) !important;
}

/* ========== DARK MODE ========== */
[data-theme="dark"] {
    --dark-bg-main: #121212;
    --dark-bg-card: #1e1e1e;
    --dark-bg-input: #2a2a2a;
    --dark-border: #333;
    --dark-text: #e0e0e0;
    --dark-text-muted: #aaa;
    --dark-hover: #2a2a2a;
    --card-bg: #1e1e1e;
    --text-color: #e0e0e0;
}

[data-theme="dark"] body {
    background-color: var(--dark-bg-main) !important;
    color: var(--dark-text) !important;
}

/* Navbar */
[data-theme="dark"] .navbar-custom {
    background: var(--dark-bg-card) !important;
    border-bottom: 1px solid var(--dark-border);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3) !important;
}

[data-theme="dark"] .navbar-custom .navbar-brand,
[data-theme="dark"] .navbar-custom .nav-link,
[data-theme="dark"] .navbar-custom .dropdown-toggle {
    color: var(--dark-text) !important;
}

[data-theme="dark"] .bg-light { background-color: var(--dark-bg-input) !important; color: var(--dark-text) !important; border-color: var(--dark-border) !important; }
[data-theme="dark"] .text-dark { color: #fff !important; }
[data-theme="dark"] .text-muted { color: var(--dark-text-muted) !important; }
[data-theme="dark"] .border { border-color: var(--dark-border) !important; }

/* Cards */
[data-theme="dark"] .card,
[data-theme="dark"] .card-premium {
    background: var(--dark-bg-card) !important;
    border-color: var(--dark-border) !important;
    color: var(--dark-text) !important;
}

[data-theme="dark"] .card-body {
    color: var(--dark-text) !important;
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
    color: var(--dark-text) !important;
}

[data-theme="dark"] .text-muted {
    color: var(--dark-text-muted) !important;
}

[data-theme="dark"] .text-dark {
    color: var(--dark-text) !important;
}

/* Tables */
[data-theme="dark"] .table {
    color: var(--dark-text) !important;
    --bs-table-bg: var(--dark-bg-card);
    --bs-table-striped-bg: var(--dark-hover);
    --bs-table-hover-bg: var(--dark-hover);
    border-color: var(--dark-border) !important;
}

[data-theme="dark"] .table td.fw-bold,
[data-theme="dark"] .table td strong {
    color: #ffffff !important;
}

[data-theme="dark"] .table thead.bg-light {
    background-color: #252525 !important;
}

[data-theme="dark"] .table thead th {
    background: #252525 !important;
    color: var(--dark-text) !important;
    border-color: var(--dark-border) !important;
}

[data-theme="dark"] .table td,
[data-theme="dark"] .table th {
    border-color: var(--dark-border) !important;
}

/* Forms */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: var(--dark-bg-input) !important;
    color: var(--dark-text) !important;
    border-color: var(--dark-border) !important;
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background-color: #333 !important;
    color: var(--dark-text) !important;
    border-color: var(--sena-orange) !important;
}

[data-theme="dark"] .form-control::placeholder {
    color: #666 !important;
}

[data-theme="dark"] .input-group-text {
    background-color: var(--dark-bg-input) !important;
    color: var(--dark-text-muted) !important;
    border-color: var(--dark-border) !important;
}

[data-theme="dark"] .form-label {
    color: var(--dark-text) !important;
}

/* Modals */
[data-theme="dark"] .modal-content {
    background-color: var(--dark-bg-card) !important;
    color: var(--dark-text) !important;
    border-color: var(--dark-border) !important;
}

[data-theme="dark"] .modal-header,
[data-theme="dark"] .modal-footer {
    border-color: var(--dark-border) !important;
}

[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Alerts */
[data-theme="dark"] .alert {
    border-color: var(--dark-border) !important;
    color: #fff !important;
}

[data-theme="dark"] .alert h1,
[data-theme="dark"] .alert h2,
[data-theme="dark"] .alert h3,
[data-theme="dark"] .alert h4,
[data-theme="dark"] .alert h5,
[data-theme="dark"] .alert h6,
[data-theme="dark"] .alert p,
[data-theme="dark"] .alert i,
[data-theme="dark"] .alert strong {
    color: #fff !important;
}

[data-theme="dark"] .alert-success {
    background-color: #143e23 !important;
}

[data-theme="dark"] .alert-danger {
    background-color: #5d1b1b !important;
}

[data-theme="dark"] .alert-warning {
    background-color: #5a3f00 !important;
}

[data-theme="dark"] .alert-info {
    background-color: #0c3b5d !important;
}

/* Dropdowns */
[data-theme="dark"] .dropdown-menu {
    background-color: var(--dark-bg-card) !important;
    border-color: var(--dark-border) !important;
}

[data-theme="dark"] .dropdown-item {
    color: var(--dark-text) !important;
}

[data-theme="dark"] .dropdown-item:hover {
    background-color: var(--dark-hover) !important;
}

/* Badges */
[data-theme="dark"] .badge.bg-light {
    background-color: #333 !important;
    color: var(--dark-text) !important;
}

/* Borders */
[data-theme="dark"] .border,
[data-theme="dark"] .border-top,
[data-theme="dark"] .border-bottom,
[data-theme="dark"] .border-start,
[data-theme="dark"] .border-end {
    border-color: var(--dark-border) !important;
}

/* Backgrounds */
[data-theme="dark"] .bg-white {
    background-color: var(--dark-bg-card) !important;
}

[data-theme="dark"] .bg-light,
[data-theme="dark"] .card.bg-light {
    background-color: var(--dark-bg-input) !important;
    border: 1px solid var(--dark-border) !important;
}

[data-theme="dark"] .shadow-sm,
[data-theme="dark"] .shadow {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3) !important;
}

/* Calendar widget in sidebar */
[data-theme="dark"] .sidebar-calendar {
    background: var(--dark-bg-card) !important;
    color: var(--dark-text) !important;
    border: 1px solid var(--dark-border);
}

[data-theme="dark"] .calendar-header {
    background: var(--dark-bg-input) !important;
    color: var(--sena-green) !important;
    box-shadow: none;
    border-bottom: 1px solid var(--dark-border);
}

[data-theme="dark"] .calendar-day-name {
    color: var(--dark-text-muted) !important;
}

[data-theme="dark"] .calendar-day {
    color: var(--dark-text) !important;
}

[data-theme="dark"] .calendar-day:not(.today):hover {
    background: var(--dark-hover) !important;
}

[data-theme="dark"] .calendar-day.today {
    background: var(--sena-green) !important;
    color: white !important;
}

[data-theme="dark"] .calendar-footer-links {
    border-top: 1px solid var(--dark-border) !important;
}

[data-theme="dark"] .calendar-footer-links a {
    color: var(--dark-text-muted) !important;
}

[data-theme="dark"] .calendar-footer-links a:hover {
    color: var(--sena-orange) !important;
}

/* Calendar full page */
[data-theme="dark"] .calendar-full-grid {
    background: var(--dark-border) !important;
}

[data-theme="dark"] .calendar-full-day {
    background: var(--dark-bg-card) !important;
    color: var(--dark-text) !important;
}

[data-theme="dark"] .calendar-full-day-header {
    background: var(--dark-bg-input) !important;
    color: var(--dark-text) !important;
}

/* Pagination */
[data-theme="dark"] .page-link {
    background-color: var(--dark-bg-card) !important;
    color: var(--dark-text) !important;
    border-color: var(--dark-border) !important;
}

[data-theme="dark"] .page-item.active .page-link {
    background-color: var(--sena-orange) !important;
    border-color: var(--sena-orange) !important;
}

/* Scrollbar */
[data-theme="dark"] ::-webkit-scrollbar {
    width: 8px;
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--dark-bg-main);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: #444;
    border-radius: 4px;
}

/* Footer Dark Mode */
[data-theme="dark"] .lms-footer {
    background: var(--dark-bg-card) !important;
    border-top: 1px solid var(--dark-border);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3) !important;
}

[data-theme="dark"] .lms-footer .footer-content p {
    color: var(--dark-text) !important;
}

[data-theme="dark"] .lms-footer .footer-content p.text-muted {
    color: var(--dark-text-muted) !important;
}

/* Dark mode toggle button */
.dark-mode-toggle {
    background: none;
    border: 2px solid #dee2e6;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    color: #666;
    font-size: 0.9rem;
}

.dark-mode-toggle:hover {
    border-color: var(--sena-orange);
    color: var(--sena-orange);
    transform: rotate(30deg);
}

/* ========== DESKTOP: hide mobile-only elements ========== */
.sidebar-toggle {
    display: none;
}

.sidebar-overlay {
    display: none;
}

/* ========== TABLET & MOBILE (<=992px) ========== */
@media (max-width: 992px) {

    /* --- Sidebar off-canvas --- */
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0 !important;
    }

    .sidebar-overlay {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1035;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s;
    }

    .sidebar-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    .sidebar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        position: fixed;
        bottom: 20px;
        left: 20px;
        z-index: 1050;
        background: var(--sena-orange);
        color: white;
        border: none;
        border-radius: 50%;
        width: 50px;
        height: 50px;
        box-shadow: 0 4px 15px rgba(255, 107, 0, 0.4);
        font-size: 1.2rem;
    }

    /* --- Navbar --- */
    .navbar-custom {
        padding: 0.6rem 1rem;
    }

    .navbar-custom .navbar-brand {
        font-size: 0.9rem;
    }

    /* --- Content padding --- */
    .container {
        padding-left: 10px !important;
        padding-right: 10px !important;
    }

    .main-content .container-fluid {
        padding: 1rem 0.8rem !important;
    }

    /* --- Page headings --- */
    .main-content h2 {
        font-size: 1.3rem;
    }

    /* --- Header action bars: stack vertically --- */
    .d-flex.justify-content-between.align-items-center.mb-4 {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 0.75rem;
    }

    /* --- Buttons: full-width groups on mobile --- */
    .d-flex.gap-2 {
        flex-wrap: wrap;
    }

    .d-flex.gap-2 .btn {
        font-size: 0.8rem;
        padding: 0.5rem 0.8rem;
    }

    /* --- DataTables mobile layout --- */
    .dataTables_wrapper .row.align-items-center.mb-3 {
        gap: 0.5rem;
    }

    .dataTables_wrapper .row.align-items-center.mb-3>[class*="col-md"] {
        flex: 0 0 100%;
        max-width: 100%;
        text-align: left !important;
    }

    .dataTables_wrapper .dataTables_filter {
        text-align: left !important;
    }

    .dataTables_wrapper .dataTables_filter input {
        width: 100% !important;
        margin-left: 0 !important;
    }

    .dataTables_wrapper .dataTables_length label {
        font-size: 0.8rem;
    }

    .dataTables_wrapper .dt-buttons {
        display: flex;
        gap: 0.3rem;
        flex-wrap: wrap;
    }

    .dataTables_wrapper .dt-buttons .btn {
        font-size: 0.7rem;
        padding: 0.25rem 0.5rem;
    }

    /* DataTables pagination */
    .dataTables_wrapper .row.align-items-center.mt-3>[class*="col-md"] {
        flex: 0 0 100%;
        max-width: 100%;
        text-align: center !important;
    }

    .dataTables_wrapper .dataTables_info {
        text-align: center;
        margin-bottom: 0.5rem;
    }

    .dataTables_wrapper .dataTables_paginate {
        text-align: center;
    }

    /* Table cells: reduce padding */
    table.dataTable thead th,
    table.dataTable tbody td {
        padding: 0.5rem 0.4rem;
        font-size: 0.78rem;
    }

    /* Action button groups: smaller */
    .btn-group .btn-sm {
        padding: 0.3rem 0.4rem;
        font-size: 0.75rem;
    }

    /* --- Modals: near full-width on mobile --- */
    .modal-dialog.modal-lg,
    .modal-dialog.modal-xl {
        max-width: calc(100% - 1rem);
        margin: 0.5rem auto;
    }

    .modal-body {
        padding: 1rem;
    }

    .modal-body .row>[class*="col-md-6"] {
        margin-bottom: 0.5rem;
    }

    /* --- Cards: reduce hover lift on mobile (prevents jank) --- */
    .card-premium:hover {
        transform: none;
    }

    /* --- Dashboard stat cards --- */
    .row.g-3.mb-4>[class*="col-md"] {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .row.g-3.mb-4 .card-body.p-4 {
        padding: 1rem !important;
    }

    .row.g-3.mb-4 .card-body h3 {
        font-size: 1.5rem;
    }

    .row.g-3.mb-4 .card-body .fs-1 {
        font-size: 1.5rem !important;
    }

    /* --- Ficha selection cards --- */
    .ficha-card .card {
        margin-bottom: 1rem;
    }

    /* --- Calendar full grid: hide on tablet/mobile --- */
    .calendar-full-grid {
        display: none;
    }

    .calendar-full-day {
        min-height: 80px;
        padding: 6px;
    }

    /* --- Auth pages --- */
    .card-glass {
        margin: 0 0.5rem;
    }

    /* --- Signature canvas in loan modal --- */
    .signature-canvas {
        height: 140px !important;
    }

    /* --- Dark mode toggle: move up to avoid overlap with sidebar toggle --- */
    .dark-mode-toggle {
        bottom: 80px !important;
    }

    /* --- Breadcrumbs --- */
    .lms-breadcrumb .breadcrumb {
        font-size: 0.75rem;
    }

    /* --- Table responsive wrapper: ensure horizontal scroll --- */
    .table-responsive {
        -webkit-overflow-scrolling: touch;
    }
}

/* ========== SMALL PHONES (<=576px) ========== */
@media (max-width: 576px) {
    .main-content .container-fluid {
        padding: 0.75rem 0.5rem !important;
    }

    .main-content h2 {
        font-size: 1.1rem;
    }

    .main-content h2 i {
        display: none;
    }

    /* Stack action buttons fully */
    .d-flex.gap-2 {
        width: 100%;
    }

    .d-flex.gap-2 .btn {
        flex: 1 1 auto;
        text-align: center;
    }

    /* Navbar brand shorter */
    .navbar-custom .navbar-brand {
        font-size: 0.8rem;
        max-width: 200px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    /* Sidebar: full width on small phones */
    .sidebar {
        width: 100vw;
    }

    /* Modal: truly full width */
    .modal-dialog {
        max-width: 100%;
        margin: 0.25rem;
    }

    /* Reduce badge sizes */
    .badge {
        font-size: 0.65rem;
        padding: 0.25rem 0.5rem;
    }

    /* Dashboard stat cards: horizontal layout */
    .row.g-3.mb-4 .card-body.text-center {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        text-align: left !important;
    }

    .row.g-3.mb-4 .card-body.text-center .fs-1,
    .row.g-3.mb-4 .card-body.text-center i.fs-1 {
        font-size: 1.2rem !important;
        margin-bottom: 0 !important;
    }

    .row.g-3.mb-4 .card-body.text-center h3 {
        font-size: 1.2rem;
        margin-bottom: 0;
    }

    .row.g-3.mb-4 .card-body.text-center p {
        margin-bottom: 0;
    }

    /* Alerts: smaller text */
    .alert {
        font-size: 0.82rem;
        padding: 0.6rem 0.8rem;
    }

    /* Form labels */
    .form-label {
        font-size: 0.82rem;
    }

    /* Sidebar toggle: slightly smaller */
    .sidebar-toggle {
        width: 44px;
        height: 44px;
        bottom: 16px;
        left: 16px;
        font-size: 1rem;
    }

    .dark-mode-toggle {
        width: 32px;
        height: 32px;
        font-size: 0.8rem;
        bottom: 70px !important;
        right: 16px !important;
    }
}

/* ========== FOOTER STYLES ========== */
.lms-footer {
    background: #fff;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    margin-left: var(--sidebar-width);
    transition: all 0.3s ease;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.02);
    width: auto;
    flex-shrink: 0;
}

.lms-footer .footer-content p {
    font-size: 0.9rem;
    color: #444;
}

.lms-footer .footer-content p.text-muted {
    font-size: 0.8rem;
    color: #6c757d !important;
}

@media (max-width: 992px) {
    .lms-footer {
        margin-left: 0 !important;
    }
}

/* Dark Mode Footer Fixes */
[data-theme="dark"] .lms-footer {
    background: #1a1a1a;
    border-top-color: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .lms-footer .footer-content p {
    color: #ccc;
}

/* Dashboard Specific Footer */
.dashboard-footer {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    background: transparent;
    padding-top: 2rem;
    padding-bottom: 2rem;
    margin-top: auto;
}

.dashboard-footer .footer-content p {
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
}

[data-theme="dark"] .dashboard-footer .footer-content p.text-dark {
    color: rgba(255, 255, 255, 0.7) !important;
}