/* ===== BIBLIOTECA ESPECÍFICA ===== */
/* Estilos para a página de biblioteca que se integram com o sistema existente */

/* ===== NAVEGAÇÃO ATIVA ===== */
.nav-links a.active {
    color: var(--accent-primary);
    font-weight: 600;
}

.nav-links a.active::before {
    width: 100%;
}

/* ===== GRID DA BIBLIOTECA ===== */
.biblioteca-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
}

/* ===== CARDS DAS PALESTRAS ===== */
.palestra-card {
    background: var(--surface-primary);
    border-radius: var(--radius-3xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-secondary);
    transition: all var(--duration-slower) var(--easing-ease-out);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.palestra-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.palestra-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--easing-ease-out);
    pointer-events: none;
}

.palestra-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.palestra-card:hover::after {
    opacity: 1;
}

/* ===== CARD EM BREVE ===== */
.palestra-card.coming-soon {
    opacity: 0.8;
    background: linear-gradient(135deg, var(--surface-secondary) 0%, var(--surface-tertiary) 100%);
}

.palestra-card.coming-soon::before {
    background: linear-gradient(135deg, var(--primary-400) 0%, var(--primary-500) 100%);
}

.palestra-card.coming-soon:hover {
    opacity: 0.9;
}

/* ===== ESTRUTURA DO CARD ===== */
.card-header {
    padding: var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    z-index: 1;
}

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
    transition: all var(--duration-normal) var(--easing-ease-out);
}

.palestra-card:hover .card-icon {
    transform: scale(1.05) rotate(5deg);
}

.card-category {
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid rgba(99, 102, 241, 0.2);
    backdrop-filter: blur(10px);
}

.card-content {
    padding: 0 var(--spacing-xl) var(--spacing-xl);
    flex-grow: 1;
    position: relative;
    z-index: 1;
}

.card-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    text-align: left;
    line-height: 1.3;
}

.card-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    font-size: 1rem;
    text-align: left;
}

/* ===== DETALHES DO CARD ===== */
.card-details {
    margin-bottom: var(--spacing-xl);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--text-tertiary);
    font-size: 0.9375rem;
}

.detail-item i {
    color: var(--accent-primary);
    width: 16px;
    flex-shrink: 0;
}

.detail-item span {
    text-align: left;
}

/* ===== TAGS ===== */
.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.tag {
    background: var(--surface-tertiary);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    border: 1px solid var(--border-primary);
    transition: all var(--duration-normal) var(--easing-ease-out);
}

.tag:hover {
    background: var(--surface-secondary);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* ===== FOOTER DO CARD ===== */
.card-footer {
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border-secondary);
    margin-top: auto;
    position: relative;
    z-index: 1;
}

.card-footer .btn {
    width: 100%;
    justify-content: center;
    font-size: 0.9375rem;
    padding: var(--spacing-md) var(--spacing-lg);
}

/* ===== SEÇÃO DE INFORMAÇÕES ===== */
.info-section {
    background: var(--surface-secondary);
    position: relative;
}

.info-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    position: relative;
    z-index: 1;
}

.info-card {
    background: var(--surface-primary);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-secondary);
    transition: all var(--duration-normal) var(--easing-ease-out);
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left var(--duration-slow) var(--easing-ease-out);
}

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

.info-card:hover::before {
    left: 100%;
}

.info-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.75rem;
    margin: 0 auto var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--duration-normal) var(--easing-ease-out);
}

.info-card:hover .info-icon {
    transform: scale(1.1) rotate(5deg);
}

.info-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.info-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    text-align: center;
}

/* ===== RESPONSIVIDADE TABLET ===== */
@media (max-width: 1024px) {
    .biblioteca-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: var(--spacing-xl);
    }

    .info-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--spacing-xl);
    }
}

/* ===== RESPONSIVIDADE MOBILE ===== */
@media (max-width: 768px) {
    .biblioteca-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        margin-top: var(--spacing-2xl);
    }

    .palestra-card {
        margin-bottom: 0;
    }

    .card-header {
        padding: var(--spacing-lg);
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
        text-align: center;
    }

    .card-icon {
        width: 70px;
        height: 70px;
        font-size: 1.75rem;
    }

    .card-content {
        padding: 0 var(--spacing-lg) var(--spacing-lg);
        text-align: center;
    }

    .card-content h3 {
        text-align: center;
        font-size: 1.375rem;
    }

    .card-description {
        text-align: center;
    }

    .detail-item {
        justify-content: center;
        text-align: center;
    }

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

    .card-footer {
        padding: var(--spacing-lg);
    }

    .info-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .info-card {
        padding: var(--spacing-xl);
    }

    .info-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

/* ===== RESPONSIVIDADE MOBILE PEQUENO ===== */
@media (max-width: 480px) {
    .biblioteca-grid {
        gap: var(--spacing-lg);
    }

    .card-header {
        padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
    }

    .card-content {
        padding: 0 var(--spacing-lg) var(--spacing-lg);
    }

    .card-footer {
        padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-lg);
    }

    .card-content h3 {
        font-size: 1.25rem;
    }

    .card-description {
        font-size: 0.9375rem;
    }

    .detail-item {
        font-size: 0.875rem;
    }

    .tag {
        font-size: 0.75rem;
        padding: calc(var(--spacing-xs) - 1px) var(--spacing-sm);
    }

    .info-card {
        padding: var(--spacing-lg);
    }

    .info-icon {
        width: 56px;
        height: 56px;
        font-size: 1.375rem;
    }

    .info-card h3 {
        font-size: 1.125rem;
    }

    .info-card p {
        font-size: 0.9375rem;
    }
}

/* ===== MELHORIAS DE ACESSIBILIDADE ===== */
@media (prefers-reduced-motion: reduce) {
    .palestra-card,
    .info-card,
    .card-icon,
    .info-icon,
    .tag {
        transition: none;
    }

    .palestra-card::after,
    .info-card::before {
        transition: none;
    }
}

/* ===== FOCUS STATES ===== */
.palestra-card:focus-within {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.info-card:focus-within {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* ===== PRINT STYLES ===== */
@media print {
    .palestra-card,
    .info-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--border-primary);
    }

    .palestra-card::before,
    .palestra-card::after,
    .info-card::before {
        display: none;
    }
}

/* ===== CSS PARA AS OPÇÕES DE HERO ===== */
/* Adicione este CSS ao arquivo biblioteca.css */

/* ===== OPÇÃO 1: HERO CENTRALIZADO ===== */
.hero-centered {
    text-align: center;
}

.hero-content-centered {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
}

.hero-text-centered {
    max-width: 800px;
    margin: 0 auto;
}

.hero-text-centered h1 {
    text-align: center;
}

.hero-text-centered .subtitle {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
    flex-wrap: wrap;
}

.stat-pill {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-md);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--duration-normal) var(--easing-ease-out);
}

.stat-pill:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    background: rgba(255, 255, 255, 1);
}

.stat-pill i {
    color: var(--accent-primary);
    font-size: 1.125rem;
}

/* ===== OPÇÃO 2: CARD DE ESTATÍSTICAS ===== */
.stats-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-3xl);
    padding: var(--spacing-3xl);
    text-align: center;
    box-shadow: var(--shadow-2xl);
    transform: perspective(1000px) rotateY(-10deg) rotateX(5deg);
    transition: all var(--duration-slower) var(--easing-ease-out);
    position: relative;
    overflow: hidden;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 2s var(--easing-ease-out);
}

.stats-card:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) translateY(-10px);
}

.stats-card:hover::before {
    left: 100%;
}

.stats-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stats-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    box-shadow: var(--shadow-md);
}

.stats-header h3 {
    margin: 0;
    font-size: 1.375rem;
    color: var(--text-primary);
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

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

.stats-grid .number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stats-grid .label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-top: var(--spacing-xs);
}

.stats-note {
    font-size: 0.9375rem;
    color: var(--text-tertiary);
    font-style: italic;
    margin: 0;
}

/* ===== OPÇÃO 3: CARD DE TEMAS ===== */
.topics-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-3xl);
    padding: var(--spacing-3xl);
    text-align: center;
    box-shadow: var(--shadow-2xl);
    transform: perspective(1000px) rotateY(-10deg) rotateX(5deg);
    transition: all var(--duration-slower) var(--easing-ease-out);
    position: relative;
    overflow: hidden;
}

.topics-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 2s var(--easing-ease-out);
}

.topics-card:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) translateY(-10px);
}

.topics-card:hover::before {
    left: 100%;
}

.topics-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.topics-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    box-shadow: var(--shadow-md);
}

.topics-header h3 {
    margin: 0;
    font-size: 1.375rem;
    color: var(--text-primary);
}

.topics-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.topic-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(99, 102, 241, 0.2);
    transition: all var(--duration-normal) var(--easing-ease-out);
}

.topic-item:hover {
    background: rgba(99, 102, 241, 0.15);
    transform: translateX(5px);
}

.topic-item i {
    color: var(--accent-primary);
    font-size: 1.125rem;
    width: 20px;
    flex-shrink: 0;
}

.topic-item span {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9375rem;
}

.topics-note {
    font-size: 0.9375rem;
    color: var(--text-tertiary);
    font-style: italic;
    margin: 0;
}

/* ===== RESPONSIVIDADE PARA TODAS AS OPÇÕES ===== */

/* Tablet */
@media (max-width: 1024px) {
    .hero-stats {
        gap: var(--spacing-md);
    }
    
    .stats-grid {
        gap: var(--spacing-md);
    }
    
    .topics-list {
        gap: var(--spacing-sm);
    }
}

/* Mobile */
@media (max-width: 768px) {
    /* Opção 1 - Centralizado */
    .hero-content-centered {
        min-height: 70vh;
        padding: var(--spacing-xl) 0;
    }
    
    .hero-text-centered {
        padding: 0 var(--spacing-md);
    }
    
    .hero-stats {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
        margin: var(--spacing-xl) 0;
    }
    
    .stat-pill {
        width: 100%;
        max-width: 200px;
        justify-content: center;
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    /* Opções 2 e 3 - Cards laterais */
    .stats-card,
    .topics-card {
        transform: none;
        margin-top: var(--spacing-2xl);
        padding: var(--spacing-2xl);
    }
    
    .stats-header,
    .topics-header {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .stats-header h3,
    .topics-header h3 {
        font-size: 1.25rem;
    }
    
    .stats-icon,
    .topics-icon {
        width: 45px;
        height: 45px;
        font-size: 1.125rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }
    
    .stats-grid .number {
        font-size: 1.5rem;
    }
    
    .stats-grid .label {
        font-size: 0.8125rem;
    }
    
    .topic-item {
        padding: var(--spacing-sm) var(--spacing-md);
        gap: var(--spacing-sm);
    }
    
    .topic-item span {
        font-size: 0.875rem;
    }
}

/* Mobile pequeno */
@media (max-width: 480px) {
    .hero-content-centered {
        min-height: 60vh;
    }
    
    .hero-text-centered h1 {
        font-size: 1.75rem;
    }
    
    .hero-text-centered .subtitle {
        font-size: 1rem;
    }
    
    .stat-pill {
        font-size: 0.875rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .stat-pill i {
        font-size: 1rem;
    }
    
    .stats-card,
    .topics-card {
        padding: var(--spacing-xl);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .topic-item {
        padding: var(--spacing-sm);
        gap: var(--spacing-xs);
        flex-direction: column;
        text-align: center;
    }
    
    .topic-item i {
        margin-bottom: var(--spacing-xs);
    }
}