/* Reset e configurações básicas */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #0f0f0f;
    color: #ffffff;
    line-height: 1.6;
}

/* Variáveis CSS */
:root {
    --primary-color: #e50914;
    --secondary-color: #564d4d;
    --background-dark: #0f0f0f;
    --background-light: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #808080;
    --border-color: #333333;
    --success-color: #46d369;
    --warning-color: #ffa00a;
    --error-color: #e50914;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
}

/* Página de Login */
.login-page {
    background: linear-gradient(135deg, #0f0f0f 0%, #1a1a1a 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-box {
    background: rgba(26, 26, 26, 0.9);
    border-radius: 8px;
    padding: 40px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.logo {
    text-align: center;
    margin-bottom: 30px;
}

.logo h1 {
    color: var(--primary-color);
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 5px;
}

.logo p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.alert {
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-error {
    background: rgba(229, 9, 20, 0.1);
    border: 1px solid var(--error-color);
    color: var(--error-color);
}

.alert-success {
    background: rgba(70, 211, 105, 0.1);
    border: 1px solid var(--success-color);
    color: var(--success-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-size: 16px;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.15);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

.btn-primary:hover {
    background: #f40612;
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.login-footer {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.login-footer p {
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.login-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.login-footer a:hover {
    text-decoration: underline;
}

/* Header */
.header {
    background: linear-gradient(180deg, rgba(0,0,0,0.9) 0%, transparent 100%);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: bold;
}

.main-nav {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    padding: 8px 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-info span {
    color: var(--text-secondary);
    font-weight: 500;
}

.dropdown {
    position: relative;
}

.dropdown-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: var(--transition);
}

.dropdown-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--background-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 0;
    min-width: 150px;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.dropdown-menu a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* Main Content */
.main-content {
    margin-top: 80px;
    padding: 20px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, rgba(229, 9, 20, 0.1) 0%, rgba(26, 26, 26, 0.8) 100%);
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 40px;
    text-align: center;
}

.hero-content h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.progress-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.progress-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    backdrop-filter: blur(10px);
}

.progress-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.progress-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Content Sections */
.content-section {
    margin-bottom: 40px;
}

.section-title {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Course Grid */
.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.course-card {
    background: var(--background-light);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

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

.course-thumbnail {
    position: relative;
    height: 160px;
    overflow: hidden;
}

.course-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.course-card:hover .course-thumbnail img {
    transform: scale(1.05);
}

.course-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.course-card:hover .course-overlay {
    opacity: 1;
}

.progress-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
}

.progress-fill {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.course-info {
    padding: 20px;
}

.course-info h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.course-category {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.course-progress {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 500;
}

.course-description {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.4;
    margin-top: 8px;
}

/* Featured Courses Grid */
.featured-courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.featured-course-card {
    background: var(--background-light);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.featured-course-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.featured-course-card .course-thumbnail {
    height: 200px;
    position: relative;
    overflow: hidden;
}

.featured-course-card .course-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.featured-course-card:hover .course-thumbnail img {
    transform: scale(1.05);
}

.featured-course-card a {
    text-decoration: none;
    color: inherit;
    display: block;
    width: 100%;
    height: 100%;
}

.featured-course-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

/* Category Grid */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.category-card {
    background: var(--background-light);
    border-radius: 8px;
    overflow: hidden;
    text-decoration: none;
    transition: var(--transition);
}

.category-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.category-image {
    height: 120px;
    overflow: hidden;
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.category-card:hover .category-image img {
    transform: scale(1.05);
}

.category-info {
    padding: 15px;
    text-align: center;
}

.category-info h4 {
    color: var(--text-primary);
    margin-bottom: 5px;
}

.category-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Lesson List */
.lesson-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.lesson-item {
    background: var(--background-light);
    border-radius: 8px;
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: var(--transition);
}

.lesson-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.lesson-thumbnail {
    width: 80px;
    height: 60px;
    border-radius: 4px;
    overflow: hidden;
    flex-shrink: 0;
}

.lesson-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lesson-info {
    flex: 1;
}

.lesson-info h4 {
    color: var(--text-primary);
    margin-bottom: 5px;
    font-size: 1rem;
}

.lesson-course,
.lesson-module,
.lesson-duration {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 2px;
}

.lesson-actions {
    flex-shrink: 0;
}

/* Header e Navegação */
.header {
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.header-left .logo h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: bold;
    text-decoration: none;
}

.header-left .logo-image {
    max-height: 40px;
    max-width: 150px;
    object-fit: contain;
    display: block;
}

.header-nav .nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    padding: 8px 12px;
    border-radius: 4px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.search-box {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 8px 16px;
}

.search-input {
    background: none;
    border: none;
    color: var(--text-primary);
    outline: none;
    width: 200px;
    padding: 4px 8px;
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
}

.user-menu {
    position: relative;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 4px;
    transition: var(--transition);
}

.user-info:hover {
    background: rgba(255, 255, 255, 0.1);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--background-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    min-width: 200px;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
}

.user-menu:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 8px 0;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
}

/* Footer */
.footer {
    background: var(--background-light);
    border-top: 1px solid var(--border-color);
    margin-top: 60px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3,
.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: 15px;
}

.footer-section p {
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-link:hover {
    color: var(--primary-color);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--text-primary);
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Páginas específicas */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.page-title h1 {
    color: var(--text-primary);
    font-size: 2rem;
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-title p {
    color: var(--text-secondary);
}

.page-actions {
    display: flex;
    gap: 10px;
}

/* Filtros */
.filters-section {
    background: var(--background-light);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 30px;
}

.filters-form {
    display: flex;
    gap: 20px;
    align-items: end;
    flex-wrap: wrap;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.filter-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.filter-group input,
.filter-group select {
    width: 100%;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    outline: none;
    transition: var(--transition);
}

.filter-group input:focus,
.filter-group select:focus {
    border-color: var(--primary-color);
}

.results-info {
    margin-bottom: 20px;
    color: var(--text-secondary);
}

/* Grid de cursos */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.course-card {
    background: var(--background-light);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.course-thumbnail {
    position: relative;
    height: 180px;
    overflow: hidden;
}

.course-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.course-card:hover .course-thumbnail img {
    transform: scale(1.05);
}

.course-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--border-color), var(--background-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--text-muted);
}

.course-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: bold;
}

.course-badge.enrolled {
    background: var(--success-color);
    color: white;
}

.course-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.course-card:hover .course-overlay {
    opacity: 1;
}

.course-info {
    padding: 20px;
}

.course-category {
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.course-title h3 {
    margin-bottom: 10px;
}

.course-title a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: bold;
}

.course-title a:hover {
    color: var(--primary-color);
}

.course-description {
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.5;
}

.course-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.meta-item {
    color: var(--text-muted);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.course-progress {
    margin-top: 15px;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 5px;
}

.progress-fill {
    height: 100%;
    background: var(--primary-color);
    transition: var(--transition);
}

.progress-text {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Estado vazio */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 20px;
    color: var(--text-muted);
}

.empty-state h3 {
    color: var(--text-primary);
    margin-bottom: 10px;
}

.empty-state p {
    margin-bottom: 20px;
}

/* Estatísticas */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--background-light);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    border: 1px solid var(--border-color);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.stat-content h3 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.stat-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Atividade */
.activity-section {
    margin-bottom: 40px;
}

.activity-section h2 {
    color: var(--text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.activity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.activity-card {
    background: var(--background-light);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    border: 1px solid var(--border-color);
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--warning-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.activity-content h4 {
    color: var(--text-primary);
    margin-bottom: 5px;
}

.activity-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Cursos em andamento */
.courses-section {
    margin-bottom: 40px;
}

.courses-section h2 {
    color: var(--text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.courses-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.course-progress-card {
    background: var(--background-light);
    border-radius: 8px;
    padding: 20px;
    border: 1px solid var(--border-color);
}

.course-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.course-info h3 {
    margin-bottom: 5px;
}

.course-info h3 a {
    color: var(--text-primary);
    text-decoration: none;
}

.course-info h3 a:hover {
    color: var(--primary-color);
}

.course-category {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.course-progress-info {
    text-align: right;
}

.progress-percentage {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.progress-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.course-progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 15px;
}

.course-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 15px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.course-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.badge.completed {
    background: var(--success-color);
    color: white;
}

/* Aulas recentes */
.recent-lessons-section {
    margin-bottom: 40px;
}

.recent-lessons-section h2 {
    color: var(--text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.lessons-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.lesson-item {
    background: var(--background-light);
    border-radius: 8px;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border-color);
}

.lesson-info h4 {
    margin-bottom: 5px;
}

.lesson-info h4 a {
    color: var(--text-primary);
    text-decoration: none;
}

.lesson-info h4 a:hover {
    color: var(--primary-color);
}

.lesson-course {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.lesson-course a {
    color: var(--primary-color);
    text-decoration: none;
}

.separator {
    margin: 0 8px;
    color: var(--text-muted);
}

.lesson-status {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
}

.status {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: bold;
}

.status.completed {
    background: var(--success-color);
    color: white;
}

.status.in-progress {
    background: var(--warning-color);
    color: white;
}

.lesson-date {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Perfil */
.profile-content {
    display: grid;
    gap: 30px;
}

.profile-section {
    background: var(--background-light);
    border-radius: 8px;
    padding: 30px;
    border: 1px solid var(--border-color);
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.profile-info h2 {
    color: var(--text-primary);
    margin-bottom: 5px;
}

.user-email,
.user-role,
.user-joined {
    color: var(--text-secondary);
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.profile-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.forms-section {
    display: grid;
    gap: 30px;
}

.form-card {
    background: var(--background-light);
    border-radius: 8px;
    padding: 30px;
    border: 1px solid var(--border-color);
}

.form-card h3 {
    color: var(--text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.profile-form .form-group,
.password-form .form-group {
    margin-bottom: 20px;
}

.profile-form label,
.password-form label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.profile-form input,
.profile-form textarea,
.password-form input {
    width: 100%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    outline: none;
    transition: var(--transition);
}

.profile-form input:focus,
.profile-form textarea:focus,
.password-form input:focus {
    border-color: var(--primary-color);
}

.profile-form textarea {
    resize: vertical;
    min-height: 80px;
}

.btn-warning {
    background: var(--warning-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}

.btn-warning:hover {
    background: #e69500;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Certificados */
.certificates-section {
    margin-bottom: 40px;
}

.certificates-section h3 {
    color: var(--text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.certificate-card {
    background: var(--background-light);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    border: 1px solid var(--border-color);
}

.certificate-icon {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    background: var(--warning-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.certificate-info {
    flex: 1;
}

.certificate-info h4 {
    color: var(--text-primary);
    margin-bottom: 5px;
}

.certificate-category,
.certificate-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 3px;
}

.certificate-actions {
    flex-shrink: 0;
}

/* Atividade recente */
.activity-timeline {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.activity-item {
    background: var(--background-light);
    border-radius: 8px;
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    border: 1px solid var(--border-color);
}

.activity-item .activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--success-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.activity-content {
    flex: 1;
}

.activity-content h4 {
    color: var(--text-primary);
    margin-bottom: 5px;
}

.activity-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.activity-date {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Responsividade */
@media (max-width: 768px) {
    .header-container {
        padding: 0 15px;
    }
    
    .header-nav {
        display: none;
    }
    
    .search-box {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .page-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .filters-form {
        flex-direction: column;
    }
    
    .filter-group {
        min-width: auto;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .activity-grid {
        grid-template-columns: 1fr;
    }
    
    .course-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .course-progress-info {
        text-align: left;
    }
    
    .course-details {
        grid-template-columns: 1fr;
    }
    
    .course-actions {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    
    .lesson-item {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .lesson-status {
        align-items: center;
    }
    
    .profile-header {
        flex-direction: column;
        text-align: center;
    }
    
    .profile-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .certificates-grid {
        grid-template-columns: 1fr;
    }
    
    .certificate-card {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .login-box {
        padding: 30px 20px;
    }
    
    .main-content {
        padding: 15px;
    }
    
    .hero-section {
        padding: 30px 20px;
    }
    
    .hero-content h2 {
        font-size: 1.8rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .profile-stats {
        grid-template-columns: 1fr;
    }
}