/* Chapter page shared styles */
.chapter-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.chapter-title {
    font-size: 2rem;
    color: #e5e7eb;
    margin-bottom: 1rem;
}

.chapter-author {
    color: #9ca3af;
    margin-bottom: 2rem;
}

.chapter-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-top: 1px solid #374151;
    border-bottom: 1px solid #374151;
    margin: 2rem 0;
}

.chapter-nav-btn {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    text-decoration: none;
    font-weight: 500;
    transition: transform 0.2s, box-shadow 0.2s;
}

.chapter-nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.chapter-nav-btn.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: #374151;
    border-radius: 2px;
    overflow: hidden;
}

.chapter-text p {
    line-height: 1.8;
    margin-bottom: 1rem;
    color: #d1d5db;
}