/* CORPO PRINCIPAL (A MENSAGEM) */
.main-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.book-title {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 2rem;
    text-align: center;
    color: #fff;
}

.book-intro {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    text-align: justify;
    color: #e0e0e0;
}

.book-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: #1a1a1a;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.book-section h2 {
    font-size: 1.4rem;
    color: #4CAF50;
    margin-bottom: 1rem;
}

.book-section p {
    margin-bottom: 0.5rem;
    text-align: justify;
    color: #e0e0e0;
}

.book-summary {
    margin-top: 3rem;
    padding: 1.5rem;
    background-color: #1a1a1a;
    border-radius: 8px;
    border-left: 4px solid #4CAF50;
}

.book-summary h2 {
    font-size: 1.4rem;
    color: #4CAF50;
    margin-bottom: 1rem;
}

.book-image {
    display: block;
    margin: 0 auto 1.5rem auto;
    max-width: 100%;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}

.article-date {
    font-size: 0.95rem;
    color: #bdbdbd;
    text-align: center;
    margin-bottom: 1.2rem;
    letter-spacing: 1px;
}

.instruction-list {
    list-style: none;
    padding-left: 0;
    margin: 1rem 0;
}

.instruction-list li {
    margin: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #e0e0e0;
}

.instruction-list li i {
    color: #00BCD4;
    font-size: 0.9rem;
}

.highlight-text {
    background-color: #1a1a1a;
    padding: 1rem;
    border-radius: 4px;
    margin: 1rem 0;
}

.highlight-text code {
    color: #00BCD4;
    font-family: 'Consolas', monospace;
    padding: 0.2rem 0.4rem;
    background-color: #2c2c2c;
    border-radius: 3px;
}

.highlight-word {
    color: #4CAF50;
    font-weight: 600;
}

.reaction-list {
    margin: 1.5rem 0;
}

.reaction-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 0.8rem 0;
    padding: 0.5rem;
    background-color: #2c2c2c;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.reaction-item:hover {
    background-color: #333;
}

.reaction-item .trigger {
    color: #FFA726;
    font-weight: 500;
}

.reaction-item .response {
    color: #e0e0e0;
}

.reaction-item i {
    color: #00BCD4;
    font-size: 0.9rem;
}

.reaction-emphasis {
    text-align: center;
    font-size: 1.1rem;
    color: #4CAF50;
    margin: 1.5rem 0;
    font-weight: 500;
}

.reflection-questions {
    margin: 1.5rem 0;
}

.question-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin: 1rem 0;
    padding: 1rem;
    background-color: #2c2c2c;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.question-item:hover {
    background-color: #333;
}

.question-item i {
    color: #4CAF50;
    font-size: 1.2rem;
    margin-top: 0.2rem;
}

.question-item p {
    margin: 0;
    color: #e0e0e0;
    font-size: 1.1rem;
}

.observation-text {
    text-align: center;
    font-size: 1.1rem;
    color: #4CAF50;
    margin: 1.5rem 0;
    font-weight: 500;
}

/* Estilos para posts relacionados */
.related-posts {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: #1f1f1f;
    border-radius: 8px;
    border: 1px solid #333;
}

.related-posts h3 {
    color: #00BCD4;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.related-posts ul {
    list-style: none;
    padding: 0;
}

.related-posts li {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #333;
}

.related-posts li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.related-posts a {
    color: #00BCD4;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.related-posts a:hover {
    color: #fff;
    text-decoration: underline;
}

.related-posts li {
    color: #ccc;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* RESPONSIVO */
@media (max-width: 768px) {
    .main-body {
        padding: 1rem;
    }

    .book-title {
        font-size: 1.8rem;
    }

    .book-intro {
        font-size: 1rem;
    }

    .book-section {
        padding: 1rem;
    }

    .book-section h2 {
        font-size: 1.3rem;
    }
}

/* Estilos específicos para comparação PromptKey vs Grammarly */
.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.feature-comparison {
    background-color: #2c2c2c;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #444;
}

.feature-comparison h3 {
    color: #4CAF50;
    margin-bottom: 1rem;
    font-size: 1.2rem;
    text-align: center;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0.8rem 0;
    padding: 0.5rem;
    background-color: #1a1a1a;
    border-radius: 4px;
    color: #e0e0e0;
}

.feature-list li i.bi-check2 {
    color: #4CAF50;
    font-size: 1rem;
}

.feature-list li i.bi-x {
    color: #f44336;
    font-size: 1rem;
}

/* Call-to-Action Box */
.cta-box {
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    margin: 2rem 0;
    box-shadow: 0 4px 16px rgba(76, 175, 80, 0.3);
}

.cta-box h3 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.cta-box p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: white;
    color: #2E7D32;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    transition: transform 0.2s, box-shadow 0.2s;
    margin: 1rem 0;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    text-decoration: none;
    color: #1B5E20;
}

.cta-button i {
    margin-right: 0.5rem;
}

.cta-subtitle {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 0.5rem;
}

/* Responsividade para comparação */
@media (max-width: 768px) {
    .comparison-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .feature-comparison {
        padding: 1rem;
    }
    
    .cta-box {
        padding: 1.5rem;
    }
    
    .cta-box h3 {
        font-size: 1.2rem;
    }
    
    .cta-button {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
}