/* Notebooks & Codexes Styling */
/* Enhanced navigation and content presentation for Leonardo's manuscripts */

.notebook-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.notebook-card {
    background: var(--da-vinci-cream);
    border: 2px solid var(--da-vinci-gold);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(139, 69, 19, 0.1);
}

.notebook-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(139, 69, 19, 0.2);
    border-color: var(--da-vinci-brown);
}

.notebook-card h3 {
    color: var(--da-vinci-brown);
    margin: 0 0 0.5rem 0;
    font-family: 'Cinzel', serif;
    font-size: 1.4rem;
}

.notebook-card h3 a {
    color: inherit;
    text-decoration: none;
}

.notebook-card h3 a:hover {
    color: var(--da-vinci-gold);
}

.notebook-meta {
    font-size: 0.9rem;
    color: var(--da-vinci-brown);
    margin: 0.5rem 0;
    font-weight: 500;
}

.notebook-meta .period {
    background: var(--da-vinci-gold);
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

.notebook-meta .pages {
    color: var(--da-vinci-brown);
}

.notebook-description {
    color: #444;
    line-height: 1.5;
    margin: 1rem 0;
}

.notebook-location {
    font-size: 0.85rem;
    color: var(--da-vinci-brown);
    margin: 0.5rem 0 0 0;
    font-style: italic;
}

/* Codex Navigation Styling */
.codex-nav {
    background: linear-gradient(135deg, var(--da-vinci-cream), #f8f6f0);
    border-left: 4px solid var(--da-vinci-gold);
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 0 8px 8px 0;
}

.codex-nav h3 {
    color: var(--da-vinci-brown);
    font-family: 'Cinzel', serif;
    margin: 0 0 1rem 0;
}

.codex-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.codex-nav li {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.codex-nav li::before {
    content: '📜';
    position: absolute;
    left: 0;
    top: 0;
}

.codex-nav a {
    color: var(--da-vinci-brown);
    text-decoration: none;
    font-weight: 500;
}

.codex-nav a:hover {
    color: var(--da-vinci-gold);
    text-decoration: underline;
}

/* Subject Categories */
.subject-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.subject-category {
    background: white;
    border: 1px solid #e0d5c7;
    border-radius: 6px;
    padding: 1.5rem;
    box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

.subject-category h4 {
    color: var(--da-vinci-brown);
    font-family: 'Cinzel', serif;
    margin: 0 0 1rem 0;
    font-size: 1.2rem;
}

.subject-category ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.subject-category li {
    margin: 0.75rem 0;
    padding-left: 1.2rem;
    position: relative;
}

.subject-category li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--da-vinci-gold);
    font-weight: bold;
}

/* Manuscript Viewer Styling */
.manuscript-viewer {
    background: var(--da-vinci-cream);
    border: 2px solid var(--da-vinci-gold);
    border-radius: 8px;
    padding: 2rem;
    margin: 2rem 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.manuscript-header {
    text-align: center;
    border-bottom: 2px solid var(--da-vinci-gold);
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}

.manuscript-title {
    font-family: 'Cinzel', serif;
    font-size: 2rem;
    color: var(--da-vinci-brown);
    margin: 0 0 0.5rem 0;
}

.manuscript-details {
    color: #666;
    font-size: 0.9rem;
}

.manuscript-content {
    line-height: 1.7;
    font-family: 'Crimson Text', serif;
    font-size: 1.1rem;
    color: #333;
}

.mirror-script {
    font-family: 'Fira Code', monospace;
    background: #f5f5f5;
    padding: 1rem;
    border-radius: 4px;
    margin: 1rem 0;
    font-size: 0.9rem;
    direction: rtl; /* Right-to-left for mirror effect */
    border-left: 4px solid var(--da-vinci-gold);
}

/* Notebook Navigation Breadcrumbs */
.notebook-breadcrumbs {
    background: #f8f6f0;
    padding: 1rem;
    border-radius: 6px;
    margin: 1rem 0 2rem 0;
    font-size: 0.9rem;
}

.notebook-breadcrumbs a {
    color: var(--da-vinci-brown);
    text-decoration: none;
    font-weight: 500;
}

.notebook-breadcrumbs a:hover {
    text-decoration: underline;
}

/* Timeline Styling for Notebook Dates */
.notebook-timeline {
    position: relative;
    padding: 2rem 0;
    margin: 2rem 0;
}

.notebook-timeline::before {
    content: '';
    position: absolute;
    left: 2rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--da-vinci-gold);
}

.timeline-entry {
    position: relative;
    padding-left: 5rem;
    margin: 2rem 0;
}

.timeline-entry::before {
    content: '';
    position: absolute;
    left: 1.2rem;
    top: 0.5rem;
    width: 1.6rem;
    height: 1.6rem;
    background: var(--da-vinci-gold);
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 2px var(--da-vinci-gold);
}

.timeline-date {
    font-family: 'Cinzel', serif;
    font-weight: 600;
    color: var(--da-vinci-brown);
    margin: 0 0 0.5rem 0;
}

.timeline-content {
    background: white;
    padding: 1rem;
    border-radius: 6px;
    border: 1px solid #e0d5c7;
    box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .notebook-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .subject-categories {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .manuscript-viewer {
        padding: 1rem;
        margin: 1rem 0;
    }
    
    .manuscript-title {
        font-size: 1.5rem;
    }
    
    .timeline-entry {
        padding-left: 3rem;
    }
    
    .notebook-timeline::before {
        left: 1rem;
    }
    
    .timeline-entry::before {
        left: 0.2rem;
    }
}

/* Special notebook content styling */
.notebook-content img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 1rem 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.notebook-quote {
    background: var(--da-vinci-cream);
    border-left: 4px solid var(--da-vinci-gold);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    font-style: italic;
    font-family: 'Crimson Text', serif;
    font-size: 1.1rem;
    color: var(--da-vinci-brown);
}

.notebook-quote::before {
    content: '"';
    font-size: 2rem;
    color: var(--da-vinci-gold);
    line-height: 1;
}

.notebook-quote::after {
    content: '"';
    font-size: 2rem;
    color: var(--da-vinci-gold);
    line-height: 1;
}

/* Enhanced search for notebooks */
.notebook-search {
    background: white;
    border: 2px solid var(--da-vinci-gold);
    border-radius: 25px;
    padding: 0.75rem 1.5rem;
    margin: 2rem 0;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    display: block;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.notebook-search:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1);
    border-color: var(--da-vinci-brown);
}