/* ===== ARTIGOS - CSS ESPECÍFICO ===== */

/* Hero Section para Artigos */
.articles-hero {
    background: var(--gradient-hero);
    padding: var(--space-3xl) 0 var(--space-2xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.articles-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at top, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at bottom, rgba(245, 158, 11, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.articles-hero .container {
    position: relative;
    z-index: 1;
}

.articles-hero h1 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.articles-hero p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Barra de Pesquisa */
.search-bar {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    position: relative;
    box-shadow: var(--shadow-medium);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.search-bar input {
    flex: 1;
    padding: var(--space-lg) var(--space-xl);
    border: none;
    font-size: var(--font-size-base);
    background: var(--surface-primary);
    color: var(--text-primary);
    outline: none;
}

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

.search-btn {
    padding: var(--space-lg) var(--space-xl);
    background: var(--primary-color);
    color: var(--text-inverse);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--font-size-base);
}

.search-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

/* Filtros de Categoria */
.articles-categories {
    padding: var(--space-2xl) 0;
    background: var(--surface-secondary);
    border-top: 1px solid var(--border-primary);
    border-bottom: 1px solid var(--border-primary);
}

.categories-filter {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.category-btn {
    padding: var(--space-md) var(--space-lg);
    background: var(--surface-primary);
    border: 2px solid var(--border-primary);
    border-radius: var(--border-radius-lg);
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
}

.category-btn:hover,
.category-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-inverse);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* Conteúdo dos Artigos */
.articles-content {
    padding: var(--space-3xl) 0;
    background: var(--gradient-main);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

/* Card de Artigo Featured */
.article-card.featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    min-height: 400px;
    background: var(--surface-elevated);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-heavy);
    border: 1px solid var(--border-secondary);
    position: relative;
}

.article-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.article-card.featured .article-image {
    position: relative;
    overflow: hidden;
}

.article-card.featured .article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.article-overlay {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
}

.featured-badge {
    background: var(--accent-color);
    color: var(--text-inverse);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--border-radius);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-medium);
}

.article-card.featured .article-content {
    padding: var(--space-2xl);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* Cards Regulares de Artigo */
.article-card {
    background: var(--surface-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-primary);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-intense);
    border-color: var(--border-light);
}

.article-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

.article-card:hover .article-image img {
    transform: scale(1.1);
}

.article-content {
    padding: var(--space-xl);
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Meta informações */
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.article-category {
    background: var(--primary-light);
    color: var(--primary-color);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.article-date,
.article-read-time {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.article-date::before {
    content: '\f017';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
}

.article-read-time::before {
    content: '\f06e';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
}

/* Título e descrição */
.article-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Tags */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-lg);
}

.tag {
    background: var(--surface-secondary);
    color: var(--text-secondary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-xs);
    border: 1px solid var(--border-primary);
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--primary-color);
    color: var(--text-inverse);
    border-color: var(--primary-color);
}

/* Ações do artigo */
.article-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.article-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.article-link:hover {
    background: var(--primary-color);
    color: var(--text-inverse);
    border-color: var(--primary-color);
    transform: translateX(4px);
}

.article-stats {
    display: flex;
    gap: var(--space-md);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.article-stats span {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

/* Botão Carregar Mais */
.load-more-container {
    text-align: center;
    margin-top: var(--space-2xl);
}

.load-more-btn {
    padding: var(--space-lg) var(--space-2xl);
    font-size: var(--font-size-base);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

.load-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* Newsletter específica para artigos */
.newsletter-section {
    padding: var(--space-3xl) 0;
    background: var(--gradient-card);
    border-top: 1px solid var(--border-secondary);
}

.newsletter-signup {
    background: var(--surface-elevated);
    border-radius: var(--border-radius-xl);
    padding: var(--space-3xl);
    text-align: center;
    box-shadow: var(--shadow-heavy);
    border: 1px solid var(--border-secondary);
    position: relative;
    overflow: hidden;
}

.newsletter-signup::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.newsletter-content h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.newsletter-content p {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter-form {
    display: flex;
    max-width: 400px;
    margin: 0 auto var(--space-xl);
    box-shadow: var(--shadow-medium);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.newsletter-form input {
    flex: 1;
    padding: var(--space-lg);
    border: none;
    font-size: var(--font-size-base);
    background: var(--surface-primary);
    color: var(--text-primary);
    outline: none;
}

.newsletter-form button {
    padding: var(--space-lg) var(--space-xl);
    border: none;
    white-space: nowrap;
}

.newsletter-benefits {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.benefit-item i {
    color: var(--success-color);
    font-size: var(--font-size-base);
}

/* ===== RESPONSIVIDADE PARA ARTIGOS ===== */

/* Tablet */
@media (max-width: 1024px) {
    .articles-hero h1 {
        font-size: var(--font-size-3xl);
    }
    
    .articles-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: var(--space-xl);
    }
    
    .article-card.featured {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    
    .article-card.featured .article-image {
        height: 250px;
    }
    
    .categories-filter {
        gap: var(--space-sm);
    }
    
    .category-btn {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--font-size-xs);
    }
}

/* Mobile */
@media (max-width: 768px) {
    .articles-hero {
        padding: var(--space-2xl) 0 var(--space-xl);
    }
    
    .articles-hero h1 {
        font-size: var(--font-size-2xl);
    }
    
    .articles-hero p {
        font-size: var(--font-size-base);
    }
    
    .search-bar {
        flex-direction: column;
        border-radius: var(--border-radius);
    }
    
    .search-bar input,
    .search-btn {
        padding: var(--space-md);
    }
    
    .articles-categories {
        padding: var(--space-xl) 0;
    }
    
    .categories-filter {
        justify-content: flex-start;
        overflow-x: auto;
        padding: 0 var(--space-md);
        -webkit-overflow-scrolling: touch;
    }
    
    .category-btn {
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .article-content {
        padding: var(--space-lg);
    }
    
    .article-card.featured .article-content {
        padding: var(--space-lg);
    }
    
    .article-content h3 {
        font-size: var(--font-size-lg);
        -webkit-line-clamp: 3;
    }
    
    .article-actions {
        flex-direction: column;
        gap: var(--space-md);
        align-items: stretch;
    }
    
    .article-link {
        justify-content: center;
    }
    
    .newsletter-benefits {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .newsletter-form {
        flex-direction: column;
        border-radius: var(--border-radius);
    }
    
    .newsletter-signup {
        padding: var(--space-xl);
    }
}

/* Mobile pequeno */
@media (max-width: 480px) {
    .articles-content {
        padding: var(--space-xl) 0;
    }
    
    .article-image {
        height: 160px;
    }
    
    .article-card.featured .article-image {
        height: 200px;
    }
    
    .article-meta {
        flex-direction: column;
        gap: var(--space-xs);
    }
    
    .article-tags {
        justify-content: center;
    }
    
    .load-more-btn {
        padding: var(--space-md) var(--space-xl);
        width: 100%;
    }
}

/* ===== ESTILOS DA PÁGINA ANKI ===== */

.anki-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    padding: 8rem 0 4rem;
    text-align: center;
}

.anki-hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.anki-hero .hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
}

.stat-label {
    font-size: 1rem;
    opacity: 0.8;
}

/* Seção Introdução */
.anki-intro {
    padding: 6rem 0;
    background: var(--color-background);
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.content-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.content-text p {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    color: var(--color-text-secondary);
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature-item i {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-top: 0.25rem;
}

.feature-item h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.feature-item p {
    color: var(--color-text-secondary);
    margin: 0;
}

/* Simulação do Anki */
.anki-simulation {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--color-border);
}

.card-demo {
    background: var(--color-surface);
    border-radius: 0.75rem;
    padding: 2rem;
    margin-bottom: 1.5rem;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s ease;
    border: 2px solid var(--color-border);
}

.card-demo:hover {
    transform: translateY(-2px);
}

.card-demo h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
    text-align: center;
}

.card-demo p {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--color-text);
    text-align: center;
}

.card-controls {
    display: flex;
    gap: 0.5rem;
    justify-content: space-between;
}

.card-controls button {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-again {
    background: #e74c3c;
    color: white;
}

.btn-hard {
    background: #f39c12;
    color: white;
}

.btn-good {
    background: #27ae60;
    color: white;
}

.btn-easy {
    background: #3498db;
    color: white;
}

.card-controls button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Como Funciona */
.how-it-works {
    padding: 6rem 0;
    background: var(--color-surface);
}

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
    color: var(--color-text);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.step-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-border);
    position: relative;
}

.step-number {
    width: 3rem;
    height: 3rem;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.step-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.step-card p {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.timeline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.timeline-point {
    padding: 0.5rem 1rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.timeline-point.active {
    background: var(--color-primary);
    color: white;
}

.timeline-point:not(.active) {
    background: var(--color-border);
    color: var(--color-text-secondary);
}

.timeline-line {
    width: 2rem;
    height: 2px;
    background: var(--color-border);
}

.outcome-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.outcome {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: white;
}

.outcome.easy {
    background: #3498db;
}

.outcome.good {
    background: #27ae60;
}

.outcome.hard {
    background: #f39c12;
}

.outcome.again {
    background: #e74c3c;
}

.efficiency-chart {
    display: flex;
    align-items: end;
    justify-content: center;
    gap: 0.5rem;
    height: 4rem;
}

.chart-bar {
    background: var(--color-primary);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 500;
    display: flex;
    align-items: end;
    justify-content: center;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    min-width: 2rem;
}

/* Matérias para Concursos */
.anki-for-exams {
    padding: 6rem 0;
    background: var(--color-background);
}

.anki-for-exams h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
    color: var(--color-text);
}

.subjects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.subject-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-border);
    transition: transform 0.2s ease;
}

.subject-card:hover {
    transform: translateY(-4px);
}

.subject-icon {
    width: 4rem;
    height: 4rem;
    background: var(--color-primary);
    color: white;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.subject-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.subject-card ul {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
}

.subject-card li {
    padding: 0.5rem 0;
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-border);
}

.subject-card li:last-child {
    border-bottom: none;
}

.subject-card li::before {
    content: "✓";
    color: var(--color-success);
    font-weight: bold;
    margin-right: 0.5rem;
}

.example-card {
    background: var(--color-surface);
    border-radius: 0.5rem;
    padding: 1rem;
    font-size: 0.875rem;
    border-left: 3px solid var(--color-primary);
}

/* Dicas Avançadas */
.advanced-tips {
    padding: 6rem 0;
    background: var(--color-surface);
}

.advanced-tips h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
    color: var(--color-text);
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.tip-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-border);
}

.tip-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.tip-content h4 {
    font-size: 1.125rem;
    margin: 1.5rem 0 0.75rem;
    color: var(--color-text);
}

.tip-content ul {
    margin-bottom: 1.5rem;
}

.tip-content li {
    margin-bottom: 0.5rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.warning-box, .success-box {
    background: var(--color-surface);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-top: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.warning-box {
    border-left: 3px solid var(--color-warning);
}

.success-box {
    border-left: 3px solid var(--color-success);
}

.warning-box i {
    color: var(--color-warning);
    margin-top: 0.125rem;
}

.success-box i {
    color: var(--color-success);
    margin-top: 0.125rem;
}

/* Recursos */
.resources {
    padding: 6rem 0;
    background: var(--color-background);
}

.resources h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
    color: var(--color-text);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.resource-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-border);
}

.resource-icon {
    width: 4rem;
    height: 4rem;
    background: var(--color-primary);
    color: white;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1.5rem;
}

.resource-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.resource-card p {
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.download-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.download-buttons .btn {
    flex: 1;
    min-width: 120px;
}

.deck-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.deck-link {
    display: block;
    padding: 0.75rem 1rem;
    background: var(--color-surface);
    border-radius: 0.5rem;
    text-decoration: none;
    color: var(--color-text);
    transition: background 0.2s ease;
}

.deck-link:hover {
    background: var(--color-border);
}

/* FAQ */
.faq {
    padding: 6rem 0;
    background: var(--color-surface);
}

.faq h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
    color: var(--color-text);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.faq-item {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-border);
}

.faq-item h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--color-text);
    line-height: 1.4;
}

.faq-item p {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* CTA Final */
.cta-final {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    text-align: center;
}

.cta-final h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-final p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Responsividade */
@media (max-width: 768px) {
    .anki-hero h1 {
        font-size: 2.5rem;
    }
    
    .anki-hero .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .download-buttons {
        flex-direction: column;
    }
    
    .card-controls {
        flex-wrap: wrap;
    }
    
    .card-controls button {
        flex: 1;
        min-width: 120px;
    }
}

/* Dark Mode para página Anki */
[data-theme="dark"] .anki-simulation,
[data-theme="dark"] .step-card,
[data-theme="dark"] .subject-card,
[data-theme="dark"] .tip-card,
[data-theme="dark"] .resource-card,
[data-theme="dark"] .faq-item {
    background: var(--color-surface);
    border-color: var(--color-border);
}

[data-theme="dark"] .card-demo {
    background: var(--color-background);
    border-color: var(--color-border);
}

[data-theme="dark"] .example-card,
[data-theme="dark"] .warning-box,
[data-theme="dark"] .success-box {
    background: var(--color-background);
}

/* ===== FIM DOS ESTILOS DA PÁGINA ANKI ===== */

.dark-mode .articles-hero {
    background: var(--gradient-hero);
}

.dark-mode .search-bar input {
    background: var(--surface-primary);
    color: var(--text-primary);
}

.dark-mode .category-btn {
    background: var(--surface-primary);
    border-color: var(--border-primary);
    color: var(--text-secondary);
}

.dark-mode .category-btn:hover,
.dark-mode .category-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-inverse);
}

.dark-mode .article-card {
    background: var(--surface-primary);
    border-color: var(--border-primary);
}

.dark-mode .article-card.featured {
    background: var(--surface-elevated);
    border-color: var(--border-secondary);
}

.dark-mode .article-category {
    background: var(--primary-dark);
    color: var(--primary-light);
}

.dark-mode .tag {
    background: var(--surface-secondary);
    color: var(--text-secondary);
    border-color: var(--border-primary);
}

.dark-mode .tag:hover {
    background: var(--primary-color);
    color: var(--text-inverse);
    border-color: var(--primary-color);
}

.dark-mode .newsletter-signup {
    background: var(--surface-elevated);
    border-color: var(--border-secondary);
}

.dark-mode .newsletter-form input {
    background: var(--surface-primary);
    color: var(--text-primary);
}

/* ===== ANIMAÇÕES E TRANSIÇÕES ===== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.article-card {
    animation: fadeInUp 0.6s ease-out;
}

.article-card:nth-child(even) {
    animation-delay: 0.1s;
}

.article-card:nth-child(3n) {
    animation-delay: 0.2s;
}

/* Hover effects avançados */
.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
    transform-origin: left;
}

.article-card:hover::before {
    transform: scaleX(1);
}

/* Loading states */
.loading-skeleton {
    background: linear-gradient(90deg, var(--surface-secondary) 25%, var(--surface-primary) 50%, var(--surface-secondary) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ===== NOVOS ESTILOS PARA SISTEMA DINÂMICO ===== */

/* Categories Filter Enhancement */
.category-select {
    padding: 0.5rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--background-color);
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 200px;
}

.category-select:hover,
.category-select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px var(--primary-color-alpha);
}

/* Loading States */
.loading-articles {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    grid-column: 1 / -1;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

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

/* No Articles State */
.no-articles {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    grid-column: 1 / -1;
    background: var(--surface-color);
    border-radius: 12px;
    border: 2px dashed var(--border-color);
}

.no-articles-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.6;
}

.no-articles h3 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.no-articles p {
    color: var(--text-secondary);
    font-size: 1rem;
    max-width: 400px;
}

/* Article Cards Enhancements */
.article-image-placeholder {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-color-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    height: 200px;
    color: white;
    font-size: 3rem;
}

.article-stats {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.article-stats span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* Modal Enhancements */
.modal-article-header {
    margin-bottom: 2rem;
}

.modal-featured-image {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.modal-article-meta {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.meta-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.meta-row:last-child {
    margin-bottom: 0;
}

.category-badge {
    background: var(--primary-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.publish-date,
.author,
.reading-time {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.article-stats-modal {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.stat {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.modal-article-content {
    padding: 2rem 0;
    line-height: 1.8;
    font-size: 1.1rem;
}

.modal-article-content h1,
.modal-article-content h2,
.modal-article-content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.modal-article-content h2 {
    font-size: 1.5rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.modal-article-content h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
}

.modal-article-content p {
    margin-bottom: 1rem;
    text-align: justify;
}

.modal-article-content ul,
.modal-article-content ol {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

.modal-article-content li {
    margin-bottom: 0.5rem;
}

.modal-article-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    margin-top: 2rem;
}

.article-tags-modal {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.article-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.action-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.like-btn:hover {
    background: #e74c3c;
    border-color: #e74c3c;
}

.share-btn:hover {
    background: #3498db;
    border-color: #3498db;
}

/* Responsive Design Enhancement */
@media (max-width: 768px) {
    .article-actions {
        flex-direction: column;
    }
    
    .action-btn {
        width: 100%;
        justify-content: center;
    }
    
    .meta-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .article-stats-modal {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .categories-filter {
        justify-content: stretch;
    }
    
    .category-select {
        min-width: auto;
        width: 100%;
    }
}