/* Estilos personalizados para a plataforma educacional */

/* Cores principais */
:root {
    --primary-color: #4e73df;
    --secondary-color: #1cc88a;
    --danger-color: #e74a3b;
    --warning-color: #f6c23e;
    --info-color: #36b9cc;
    --dark-color: #5a5c69;
    --light-color: #f8f9fc;
}

/* Estilos gerais */
body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #f8f9fc;
}

/* Ajustes de layout */
.container-fluid {
    padding: 1.5rem;
}

/* Estilos para o login e cadastro */
.bg-login-image {
    background: url('../img/login-bg.jpg');
    background-position: center;
    background-size: cover;
}

.bg-register-image {
    background: url('../img/register-bg.jpg');
    background-position: center;
    background-size: cover;
}

.form-control-user {
    border-radius: 10rem;
    padding: 1.5rem 1rem;
}

.btn-user {
    border-radius: 10rem;
    padding: 0.75rem 1rem;
}

/* Estilos para cards */
.card {
    border: none;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
}

.card-header {
    background-color: #f8f9fc;
    border-bottom: 1px solid #e3e6f0;
}

/* Estilos para tabelas */
.table th {
    background-color: #f8f9fc;
    color: #5a5c69;
    font-weight: 700;
}

.table-hover tbody tr:hover {
    background-color: rgba(78, 115, 223, 0.05);
}

/* Estilos para sidebar */
.sidebar {
    min-height: 100vh;
}

.sidebar .nav-item .nav-link {
    padding: 0.75rem 1rem;
    color: rgba(255, 255, 255, 0.8);
}

.sidebar .nav-item .nav-link:hover {
    color: #fff;
}

.sidebar .nav-item .nav-link i {
    margin-right: 0.5rem;
}

.sidebar .nav-item .nav-link[data-toggle="collapse"]::after {
    float: right;
    content: '\f107';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
}

.sidebar .nav-item .nav-link[data-toggle="collapse"].collapsed::after {
    content: '\f105';
}

.sidebar-dark .sidebar-brand {
    color: #fff;
}

/* Estilos para componentes de curso */
.course-card {
    transition: transform 0.3s ease;
    margin-bottom: 1.5rem;
}

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

.course-card .card-img-top {
    height: 160px;
    object-fit: cover;
}

/* Estilos para componentes de vídeo */
.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    max-width: 100%;
}

.video-container iframe,
.video-container object,
.video-container embed {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Estilos para fóruns */
.forum-post {
    border-left: 3px solid var(--primary-color);
    padding-left: 1rem;
    margin-bottom: 1.5rem;
}

.forum-post .author-info {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.forum-post .author-info img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-right: 0.75rem;
}

/* Estilos para quiz */
.quiz-question {
    background-color: #fff;
    border-radius: 0.35rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
}

.quiz-options .form-check {
    padding: 0.75rem 1.25rem;
    margin-bottom: 0.5rem;
    border: 1px solid #e3e6f0;
    border-radius: 0.35rem;
    transition: all 0.2s ease;
}

.quiz-options .form-check:hover {
    background-color: rgba(78, 115, 223, 0.05);
}

.quiz-options .form-check-input:checked ~ .form-check-label {
    color: var(--primary-color);
    font-weight: 600;
}

/* Estilos para leituras (PDFs) */
.pdf-thumbnail {
    display: block;
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 0.35rem;
    margin-bottom: 0.75rem;
}

/* Estilos para perfil */
.img-profile {
    height: 2rem;
    width: 2rem;
}

/* Estilos responsivos */
@media (max-width: 768px) {
    .sidebar {
        width: 6.5rem !important;
    }
    
    .sidebar .nav-item .nav-link {
        width: 6.5rem;
        text-align: center;
        padding: 0.75rem 1rem;
    }
    
    .sidebar .nav-item .nav-link span {
        display: none;
    }
    
    .sidebar .nav-item .nav-link i {
        margin-right: 0;
        font-size: 1.25rem;
    }
    
    .sidebar .nav-item .collapse {
        position: absolute;
        left: calc(6.5rem + 1.5rem / 2);
        z-index: 1;
        top: 2px;
        animation-name: growIn;
        animation-duration: 200ms;
        animation-timing-function: transform cubic-bezier(0.18, 1.25, 0.4, 1), opacity cubic-bezier(0, 1, 0.4, 1);
    }
    
    .sidebar .nav-item .collapse .collapse-inner {
        box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
        border-radius: 0.35rem;
    }
    
    .sidebar .nav-item .collapsing {
        display: none;
        transition: none;
    }
}

/* Animações */
@keyframes growIn {
    0% {
        transform: scale(0.9);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Estilos para o rodapé */
.sticky-footer {
    padding: 1rem 0;
    flex-shrink: 0;
}

/* Estilos para alertas e notificações */
.alert-dismissible .close {
    position: absolute;
    top: 0;
    right: 0;
    padding: 0.75rem 1.25rem;
    color: inherit;
}

/* Estilos para paginação */
.pagination .page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.pagination .page-link {
    color: var(--primary-color);
}

/* Estilos para botões */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #2e59d9;
    border-color: #2653d4;
}

.btn-success {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn-success:hover {
    background-color: #17a673;
    border-color: #169b6b;
}

/* Estilos para gráficos */
.chart-area {
    position: relative;
    height: 20rem;
    width: 100%;
}

.chart-pie {
    position: relative;
    height: 15rem;
    width: 100%;
}

/* Estilos para progresso */
.progress {
    height: 0.5rem;
    margin-bottom: 0.5rem;
}

/* Estilos para modais */
.modal-header {
    background-color: var(--primary-color);
    color: white;
}

.modal-header .close {
    color: white;
}

/* Estilos para tooltips */
.tooltip-inner {
    max-width: 200px;
    padding: 0.25rem 0.5rem;
    color: #fff;
    text-align: center;
    background-color: var(--dark-color);
    border-radius: 0.35rem;
}

/* Estilos para badges */
.badge-counter {
    position: absolute;
    transform: scale(0.7);
    transform-origin: top right;
    right: 0.25rem;
    margin-top: -0.25rem;
}

/* Estilos para dropdown */
.dropdown .dropdown-menu {
    font-size: 0.85rem;
    border: none;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
}

.dropdown .dropdown-menu .dropdown-header {
    font-weight: 800;
    font-size: 0.65rem;
    color: #b7b9cc;
}

.dropdown .dropdown-menu .dropdown-item {
    padding: 0.5rem 1rem;
    font-weight: 400;
    color: #3a3b45;
}

.dropdown .dropdown-menu .dropdown-item:hover {
    background-color: #f8f9fc;
}

.dropdown .dropdown-menu .dropdown-item:active {
    background-color: var(--primary-color);
    color: white;
}

.dropdown .dropdown-menu .dropdown-item i {
    margin-right: 0.5rem;
    color: #b7b9cc;
}

.dropdown .dropdown-menu .dropdown-item:active i {
    color: white;
}

/* Estilos para topbar */
.topbar {
    height: 4.375rem;
}

.topbar #sidebarToggleTop {
    height: 2.5rem;
    width: 2.5rem;
}

.topbar #sidebarToggleTop:hover {
    background-color: #eaecf4;
}

.topbar #sidebarToggleTop:active {
    background-color: #dddfeb;
}

.topbar .navbar-search {
    width: 25rem;
}

.topbar .navbar-search input {
    font-size: 0.85rem;
}

.topbar .topbar-divider {
    width: 0;
    border-right: 1px solid #e3e6f0;
    height: calc(4.375rem - 2rem);
    margin: auto 1rem;
}

.topbar .nav-item .nav-link {
    height: 4.375rem;
    display: flex;
    align-items: center;
    padding: 0 0.75rem;
}

.topbar .nav-item .nav-link:focus {
    outline: none;
}

.topbar .nav-item:focus {
    outline: none;
}

/* Estilos para mensagens de erro de validação */
.is-invalid {
    border-color: var(--danger-color);
}

.invalid-feedback {
    color: var(--danger-color);
    display: block;
    margin-top: 0.25rem;
}

/* Estilos para links */
a {
    color: var(--primary-color);
    text-decoration: none;
    background-color: transparent;
}

a:hover {
    color: #224abe;
    text-decoration: underline;
}

/* Estilos para breadcrumbs */
.breadcrumb {
    background-color: transparent;
    padding: 0;
    margin-bottom: 1.5rem;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "\f105";
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    color: #b7b9cc;
}

/* Estilos para listas */
.list-group-item-action:hover {
    background-color: rgba(78, 115, 223, 0.05);
}

/* Estilos para comentários */
.comment {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #e3e6f0;
}

.comment:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.comment .comment-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 1rem;
}

.comment .comment-content {
    flex: 1;
}

.comment .comment-meta {
    font-size: 0.85rem;
    color: #b7b9cc;
    margin-bottom: 0.5rem;
}

/* Estilos para anexos */
.attachment-preview {
    display: inline-block;
    width: 100px;
    height: 100px;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    border-radius: 0.35rem;
    overflow: hidden;
    position: relative;
}

.attachment-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.attachment-preview .attachment-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.attachment-preview:hover .attachment-overlay {
    opacity: 1;
}

.attachment-preview .attachment-overlay a {
    color: white;
    margin: 0 0.25rem;
}

/* Estilos para notificações */
.notification-item {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #e3e6f0;
}

.notification-item:last-child {
    border-bottom: none;
}

.notification-item.unread {
    background-color: rgba(78, 115, 223, 0.05);
}

.notification-item .notification-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
}

.notification-item .notification-icon.primary {
    background-color: rgba(78, 115, 223, 0.1);
    color: var(--primary-color);
}

.notification-item .notification-icon.success {
    background-color: rgba(28, 200, 138, 0.1);
    color: var(--secondary-color);
}

.notification-item .notification-icon.warning {
    background-color: rgba(246, 194, 62, 0.1);
    color: var(--warning-color);
}

.notification-item .notification-icon.danger {
    background-color: rgba(231, 74, 59, 0.1);
    color: var(--danger-color);
}

.notification-item .notification-content {
    flex: 1;
}

.notification-item .notification-time {
    font-size: 0.75rem;
    color: #b7b9cc;
}

/* Estilos para calendário */
.calendar-event {
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    border-radius: 0.35rem;
    color: white;
}

.calendar-event.primary {
    background-color: var(--primary-color);
}

.calendar-event.success {
    background-color: var(--secondary-color);
}

.calendar-event.warning {
    background-color: var(--warning-color);
}

.calendar-event.danger {
    background-color: var(--danger-color);
}

.calendar-event.info {
    background-color: var(--info-color);
}

/* Estilos para timeline */
.timeline {
    position: relative;
    padding-left: 1.5rem;
    list-style: none;
}

.timeline:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0.75rem;
    height: 100%;
    width: 2px;
    background-color: #e3e6f0;
}

.timeline .timeline-item {
    position: relative;
    margin-bottom: 1.5rem;
}

.timeline .timeline-item:last-child {
    margin-bottom: 0;
}

.timeline .timeline-item:before {
    content: '';
    position: absolute;
    left: -1.5rem;
    top: 0.25rem;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background-color: var(--primary-color);
    z-index: 1;
}

.timeline .timeline-date {
    font-size: 0.85rem;
    color: #b7b9cc;
    margin-bottom: 0.5rem;
}

.timeline .timeline-content {
    padding: 1rem;
    background-color: white;
    border-radius: 0.35rem;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
}

/* Estilos para estatísticas */
.stat-card {
    padding: 1.5rem;
    border-radius: 0.35rem;
    background-color: white;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    margin-bottom: 1.5rem;
}

.stat-card .stat-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    font-size: 1.5rem;
}

.stat-card .stat-icon.primary {
    background-color: rgba(78, 115, 223, 0.1);
    color: var(--primary-color);
}

.stat-card .stat-icon.success {
    background-color: rgba(28, 200, 138, 0.1);
    color: var(--secondary-color);
}

.stat-card .stat-icon.warning {
    background-color: rgba(246, 194, 62, 0.1);
    color: var(--warning-color);
}

.stat-card .stat-icon.danger {
    background-color: rgba(231, 74, 59, 0.1);
    color: var(--danger-color);
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: #b7b9cc;
    text-transform: uppercase;
}

/* Estilos para cartões de curso */
.course-card .course-progress {
    height: 0.5rem;
    margin-top: 1rem;
}

.course-card .course-info {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: #b7b9cc;
}

/* Estilos para avaliações */
.rating {
    display: inline-flex;
    margin-right: 0.5rem;
}

.rating i {
    color: #f6c23e;
    margin-right: 0.1rem;
}

/* Estilos para tags */
.tag {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 0.35rem;
    margin-right: 0.25rem;
    margin-bottom: 0.25rem;
}

.tag.primary {
    background-color: rgba(78, 115, 223, 0.1);
    color: var(--primary-color);
}

.tag.success {
    background-color: rgba(28, 200, 138, 0.1);
    color: var(--secondary-color);
}

.tag.warning {
    background-color: rgba(246, 194, 62, 0.1);
    color: var(--warning-color);
}

.tag.danger {
    background-color: rgba(231, 74, 59, 0.1);
    color: var(--danger-color);
}

.tag.info {
    background-color: rgba(54, 185, 204, 0.1);
    color: var(--info-color);
}

/* Estilos para paginação de curso */
.course-pagination {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #e3e6f0;
}

/* Estilos para certificados */
.certificate {
    position: relative;
    padding: 2rem;
    border: 10px solid var(--primary-color);
    border-radius: 0.35rem;
    text-align: center;
    background-color: white;
    margin-bottom: 2rem;
}

.certificate:before {
    content: '';
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    right: 0.5rem;
    bottom: 0.5rem;
    border: 2px solid var(--primary-color);
    border-radius: 0.25rem;
    pointer-events: none;
}

.certificate .certificate-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.certificate .certificate-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.certificate .certificate-name {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--dark-color);
}

.certificate .certificate-description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.certificate .certificate-date {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.certificate .certificate-signature {
    margin-top: 2rem;
    display: flex;
    justify-content: space-around;
}

.certificate .certificate-signature .signature-line {
    width: 200px;
    border-top: 1px solid #000;
    padding-top: 0.5rem;
    font-size: 1rem;
}

/* Estilos para mensagens */
.message {
    display: flex;
    margin-bottom: 1.5rem;
}

.message .message-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 1rem;
}

.message .message-content {
    flex: 1;
    background-color: #f8f9fc;
    padding: 1rem;
    border-radius: 0.35rem;
    position: relative;
}

.message .message-content:before {
    content: '';
    position: absolute;
    top: 10px;
    left: -10px;
    border-width: 10px 10px 10px 0;
    border-style: solid;
    border-color: transparent #f8f9fc transparent transparent;
}

.message.message-right {
    flex-direction: row-reverse;
}

.message.message-right .message-avatar {
    margin-right: 0;
    margin-left: 1rem;
}

.message.message-right .message-content {
    background-color: #e3e6f0;
}

.message.message-right .message-content:before {
    left: auto;
    right: -10px;
    border-width: 10px 0 10px 10px;
    border-color: transparent transparent transparent #e3e6f0;
}

.message .message-meta {
    font-size: 0.85rem;
    color: #b7b9cc;
    margin-top: 0.5rem;
}

/* Estilos para anexos de mensagem */
.message-attachments {
    margin-top: 1rem;
}

.message-attachment {
    display: flex;
    align-items: center;
    padding: 0.5rem;
    background-color: white;
    border-radius: 0.35rem;
    margin-bottom: 0.5rem;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
}

.message-attachment .attachment-icon {
    width: 40px;
    height: 40px;
    border-radius: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    background-color: rgba(78, 115, 223, 0.1);
    color: var(--primary-color);
}

.message-attachment .attachment-info {
    flex: 1;
}

.message-attachment .attachment-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.message-attachment .attachment-size {
    font-size: 0.75rem;
    color: #b7b9cc;
}

.message-attachment .attachment-actions a {
    margin-left: 0.5rem;
    color: #b7b9cc;
}

.message-attachment .attachment-actions a:hover {
    color: var(--primary-color);
}

/* Estilos para formulário de mensagem */
.message-form {
    background-color: white;
    padding: 1rem;
    border-radius: 0.35rem;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
}

.message-form .form-control {
    border: none;
    border-bottom: 1px solid #e3e6f0;
    border-radius: 0;
    padding: 0.75rem 0;
    resize: none;
}

.message-form .form-control:focus {
    box-shadow: none;
    border-color: var(--primary-color);
}

.message-form .message-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
}

.message-form .message-attachments-preview {
    margin-top: 1rem;
}

/* Estilos para loader */
.loader {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 0.25rem solid rgba(78, 115, 223, 0.2);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Estilos para tooltips personalizados */
.custom-tooltip {
    position: relative;
    display: inline-block;
}

.custom-tooltip .tooltip-text {
    visibility: hidden;
    width: 200px;
    background-color: var(--dark-color);
    color: white;
    text-align: center;
    border-radius: 0.35rem;
    padding: 0.5rem;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
}

.custom-tooltip .tooltip-text::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--dark-color) transparent transparent transparent;
}

.custom-tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* Estilos para botões de ação flutuantes */
.floating-action-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    z-index: 1030;
    transition: all 0.3s ease;
}

.floating-action-btn:hover {
    transform: scale(1.1);
    background-color: #2e59d9;
    color: white;
}

.floating-action-btn i {
    font-size: 1.5rem;
}

/* Estilos para botões de mídia social */
.social-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    margin-right: 0.5rem;
    color: white;
    transition: all 0.3s ease;
}

.social-btn:hover {
    transform: translateY(-3px);
    color: white;
}

.social-btn.facebook {
    background-color: #3b5998;
}

.social-btn.twitter {
    background-color: #1da1f2;
}

.social-btn.google {
    background-color: #db4437;
}

.social-btn.linkedin {
    background-color: #0077b5;
}

.social-btn.youtube {
    background-color: #ff0000;
}

.social-btn.instagram {
    background: linear-gradient(45deg, #405de6, #5851db, #833ab4, #c13584, #e1306c, #fd1d1d);
}

/* Estilos para botões de compartilhamento */
.share-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 0.35rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    color: white;
    transition: all 0.3s ease;
}

.share-btn:hover {
    transform: translateY(-3px);
    color: white;
}

.share-btn i {
    margin-right: 0.5rem;
}

.share-btn.facebook {
    background-color: #3b5998;
}

.share-btn.twitter {
    background-color: #1da1f2;
}

.share-btn.linkedin {
    background-color: #0077b5;
}

.share-btn.whatsapp {
    background-color: #25d366;
}

.share-btn.email {
    background-color: #7d7d7d;
}

/* Estilos para botões de download */
.download-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.35rem;
    background-color: var(--primary-color);
    color: white;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.download-btn:hover {
    background-color: #2e59d9;
    color: white;
    transform: translateY(-3px);
}

.download-btn i {
    margin-right: 0.75rem;
    font-size: 1.25rem;
}

/* Estilos para botões de impressão */
.print-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.35rem;
    background-color: var(--dark-color);
    color: white;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.print-btn:hover {
    background-color: #3a3b45;
    color: white;
    transform: translateY(-3px);
}

.print-btn i {
    margin-right: 0.75rem;
    font-size: 1.25rem;
}

/* Estilos para botões de exportação */
.export-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.35rem;
    background-color: var(--success-color);
    color: white;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.export-btn:hover {
    background-color: #17a673;
    color: white;
    transform: translateY(-3px);
}

.export-btn i {
    margin-right: 0.75rem;
    font-size: 1.25rem;
}

/* Estilos para botões de importação */
.import-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.35rem;
    background-color: var(--info-color);
    color: white;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.import-btn:hover {
    background-color: #2c9faf;
    color: white;
    transform: translateY(-3px);
}

.import-btn i {
    margin-right: 0.75rem;
    font-size: 1.25rem;
}

/* Estilos para botões de filtro */
.filter-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 0.35rem;
    background-color: white;
    color: var(--dark-color);
    border: 1px solid #e3e6f0;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.filter-btn:hover {
    background-color: #f8f9fc;
    color: var(--primary-color);
}

.filter-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.filter-btn i {
    margin-right: 0.5rem;
}

/* Estilos para botões de ordenação */
.sort-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 0.35rem;
    background-color: white;
    color: var(--dark-color);
    border: 1px solid #e3e6f0;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.sort-btn:hover {
    background-color: #f8f9fc;
    color: var(--primary-color);
}

.sort-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.sort-btn i {
    margin-right: 0.5rem;
}

/* Estilos para botões de visualização */
.view-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.35rem;
    background-color: white;
    color: var(--dark-color);
    border: 1px solid #e3e6f0;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.view-btn:hover {
    background-color: #f8f9fc;
    color: var(--primary-color);
}

.view-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Estilos para botões de ação em tabelas */
.table-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 0.35rem;
    background-color: white;
    color: var(--dark-color);
    border: 1px solid #e3e6f0;
    transition: all 0.3s ease;
    margin-right: 0.25rem;
}

.table-action-btn:hover {
    background-color: #f8f9fc;
}

.table-action-btn.view:hover {
    color: var(--primary-color);
}

.table-action-btn.edit:hover {
    color: var(--warning-color);
}

.table-action-btn.delete:hover {
    color: var(--danger-color);
}

/* Estilos para botões de paginação */
.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.35rem;
    background-color: white;
    color: var(--dark-color);
    border: 1px solid #e3e6f0;
    transition: all 0.3s ease;
    margin-right: 0.25rem;
}

.pagination-btn:hover {
    background-color: #f8f9fc;
    color: var(--primary-color);
}

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

.pagination-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Estilos para botões de navegação */
.nav-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.35rem;
    background-color: white;
    color: var(--dark-color);
    border: 1px solid #e3e6f0;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.nav-btn:hover {
    background-color: #f8f9fc;
    color: var(--primary-color);
}

.nav-btn.prev i {
    margin-right: 0.5rem;
}

.nav-btn.next i {
    margin-left: 0.5rem;
}

/* Estilos para botões de ação em cards */
.card-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background-color: white;
    color: var(--dark-color);
    border: 1px solid #e3e6f0;
    transition: all 0.3s ease;
    margin-right: 0.25rem;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
}

.card-action-btn:hover {
    transform: translateY(-3px);
}

.card-action-btn.view:hover {
    color: var(--primary-color);
}

.card-action-btn.edit:hover {
    color: var(--warning-color);
}

.card-action-btn.delete:hover {
    color: var(--danger-color);
}

/* Estilos para botões de ação em perfil */
.profile-action-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 0.35rem;
    background-color: white;
    color: var(--dark-color);
    border: 1px solid #e3e6f0;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.profile-action-btn:hover {
    background-color: #f8f9fc;
    color: var(--primary-color);
}

.profile-action-btn i {
    margin-right: 0.5rem;
}

/* Estilos para botões de ação em comentários */
.comment-action-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: 0.35rem;
    background-color: transparent;
    color: #b7b9cc;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
}

.comment-action-btn:hover {
    color: var(--primary-color);
}

.comment-action-btn i {
    margin-right: 0.25rem;
}

/* Estilos para botões de ação em mensagens */
.message-action-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: 0.35rem;
    background-color: transparent;
    color: #b7b9cc;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
}

.message-action-btn:hover {
    color: var(--primary-color);
}

.message-action-btn i {
    margin-right: 0.25rem;
}

/* Estilos para botões de ação em notificações */
.notification-action-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: 0.35rem;
    background-color: transparent;
    color: #b7b9cc;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
}

.notification-action-btn:hover {
    color: var(--primary-color);
}

.notification-action-btn i {
    margin-right: 0.25rem;
}

/* Estilos para botões de ação em anexos */
.attachment-action-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: 0.35rem;
    background-color: transparent;
    color: #b7b9cc;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
}

.attachment-action-btn:hover {
    color: var(--primary-color);
}

.attachment-action-btn.download:hover {
    color: var(--primary-color);
}

.attachment-action-btn.delete:hover {
    color: var(--danger-color);
}

.attachment-action-btn i {
    margin-right: 0.25rem;
}

/* Estilos para botões de ação em eventos */
.event-action-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: 0.35rem;
    background-color: transparent;
    color: #b7b9cc;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
}

.event-action-btn:hover {
    color: var(--primary-color);
}

.event-action-btn i {
    margin-right: 0.25rem;
}

/* Estilos para botões de ação em tarefas */
.task-action-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: 0.35rem;
    background-color: transparent;
    color: #b7b9cc;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
}

.task-action-btn:hover {
    color: var(--primary-color);
}

.task-action-btn.complete:hover {
    color: var(--secondary-color);
}

.task-action-btn.delete:hover {
    color: var(--danger-color);
}

.task-action-btn i {
    margin-right: 0.25rem;
}

/* Estilos para botões de ação em lembretes */
.reminder-action-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: 0.35rem;
    background-color: transparent;
    color: #b7b9cc;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
}

.reminder-action-btn:hover {
    color: var(--primary-color);
}

.reminder-action-btn.snooze:hover {
    color: var(--warning-color);
}

.reminder-action-btn.dismiss:hover {
    color: var(--danger-color);
}

.reminder-action-btn i {
    margin-right: 0.25rem;
}

/* Estilos para botões de ação em alertas */
.alert-action-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: 0.35rem;
    background-color: transparent;
    color: inherit;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
}

.alert-action-btn:hover {
    opacity: 0.8;
}

.alert-action-btn i {
    margin-right: 0.25rem;
}

/* Estilos para botões de ação em modais */
.modal-action-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 0.35rem;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
}

.modal-action-btn.confirm {
    background-color: var(--primary-color);
    color: white;
}

.modal-action-btn.confirm:hover {
    background-color: #2e59d9;
}

.modal-action-btn.cancel {
    background-color: #e3e6f0;
    color: var(--dark-color);
}

.modal-action-btn.cancel:hover {
    background-color: #d1d3e2;
}

.modal-action-btn.delete {
    background-color: var(--danger-color);
    color: white;
}

.modal-action-btn.delete:hover {
    background-color: #be2617;
}

.modal-action-btn i {
    margin-right: 0.5rem;
}

/* Estilos para botões de ação em tooltips */
.tooltip-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background-color: white;
    color: var(--dark-color);
    border: 1px solid #e3e6f0;
    transition: all 0.3s ease;
    margin-right: 0.25rem;
}

.tooltip-action-btn:hover {
    background-color: #f8f9fc;
    color: var(--primary-color);
}

/* Estilos para botões de ação em dropdowns */
.dropdown-action-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    color: #3a3b45;
    transition: all 0.3s ease;
    width: 100%;
    text-align: left;
}

.dropdown-action-btn:hover {
    background-color: #f8f9fc;
    color: var(--primary-color);
}

.dropdown-action-btn i {
    margin-right: 0.5rem;
    color: #b7b9cc;
}

.dropdown-action-btn:hover i {
    color: var(--primary-color);
}

/* Estilos para botões de ação em popovers */
.popover-action-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 0.35rem;
    background-color: white;
    color: var(--dark-color);
    border: 1px solid #e3e6f0;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.popover-action-btn:hover {
    background-color: #f8f9fc;
    color: var(--primary-color);
}

.popover-action-btn i {
    margin-right: 0.5rem;
}

/* Estilos para botões de ação em cards de curso */
.course-action-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 0.35rem;
    background-color: var(--primary-color);
    color: white;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.course-action-btn:hover {
    background-color: #2e59d9;
    color: white;
    transform: translateY(-3px);
}

.course-action-btn i {
    margin-right: 0.5rem;
}

/* Estilos para botões de ação em lições */
.lesson-action-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 0.35rem;
    background-color: white;
    color: var(--dark-color);
    border: 1px solid #e3e6f0;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.lesson-action-btn:hover {
    background-color: #f8f9fc;
    color: var(--primary-color);
}

.lesson-action-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.lesson-action-btn i {
    margin-right: 0.5rem;
}

/* Estilos para botões de ação em quiz */
.quiz-action-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 0.35rem;
    background-color: var(--primary-color);
    color: white;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.quiz-action-btn:hover {
    background-color: #2e59d9;
    color: white;
}

.quiz-action-btn i {
    margin-right: 0.5rem;
}

/* Estilos para botões de ação em fóruns */
.forum-action-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 0.35rem;
    background-color: var(--primary-color);
    color: white;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.forum-action-btn:hover {
    background-color: #2e59d9;
    color: white;
}

.forum-action-btn i {
    margin-right: 0.5rem;
}

/* Estilos para botões de ação em certificados */
.certificate-action-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 0.35rem;
    background-color: var(--primary-color);
    color: white;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.certificate-action-btn:hover {
    background-color: #2e59d9;
    color: white;
    transform: translateY(-3px);
}

.certificate-action-btn i {
    margin-right: 0.5rem;
}

/* Estilos para botões de ação em relatórios */
.report-action-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 0.35rem;
    background-color: var(--primary-color);
    color: white;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.report-action-btn:hover {
    background-color: #2e59d9;
    color: white;
}

.report-action-btn i {
    margin-right: 0.5rem;
}

/* Estilos para botões de ação em estatísticas */
.stat-action-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 0.35rem;
    background-color: var(--primary-color);
    color: white;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.stat-action-btn:hover {
    background-color: #2e59d9;
    color: white;
}

.stat-action-btn i {
    margin-right: 0.5rem;
}

/* Estilos para botões de ação em configurações */
.config-action-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 0.35rem;
    background-color: var(--primary-color);
    color: white;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.config-action-btn:hover {
    background-color: #2e59d9;
    color: white;
}

.config-action-btn i {
    margin-right: 0.5rem;
}

/* Estilos para impressão */
@media print {
    .sidebar,
    .topbar,
    .footer,
    .no-print {
        display: none !important;
    }
    
    .content {
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
    
    body {
        background-color: white !important;
    }
}