/* ============================================
   Research Section Styles
   Interactive components for framework navigator,
   concept atlas, and research pages
   ============================================ */

/* Work In Progress Banner */
.wip-banner {
    background: #fff3e0;
    border: 2px solid var(--accent);
    border-radius: 8px;
    padding: 14px 20px;
    margin-bottom: 30px;
    font-size: 0.92rem;
    line-height: 1.6;
    color: #5d4037;
}

.wip-banner strong {
    color: var(--accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* Research Images */
.research-hero-img {
    width: 100%;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.concept-img {
    width: 100%;
    max-width: 560px;
    border-radius: 6px;
    margin: 16px 0;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
}

/* Research Sub-Navigation */
.research-subnav {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 40px;
    padding: 12px 16px;
    background: var(--light);
    border-radius: 8px;
    font-size: 0.9rem;
}

.research-subnav a {
    color: var(--gray);
    text-decoration: none;
    padding: 4px 12px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.research-subnav a:hover {
    color: var(--primary);
    background: rgba(0, 0, 0, 0.04);
}

.research-subnav a.active {
    color: var(--primary);
    font-weight: 600;
    background: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* Research Header */
.research-header {
    margin-bottom: 50px;
}

.research-header .tagline {
    font-size: 1.15rem;
    margin-top: 8px;
}

/* Section Styling for Research Pages */
.research-section {
    margin-bottom: 50px;
}

.research-section h2 {
    font-size: 1.4rem;
    margin-bottom: 16px;
    color: var(--primary);
    font-weight: 600;
}

.research-section h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--primary);
    font-weight: 600;
}

/* Claims / Non-Claims Lists */
.claims-list {
    list-style: none;
    padding: 0;
    margin: 16px 0;
}

.claims-list li {
    padding: 8px 0 8px 24px;
    position: relative;
    line-height: 1.6;
}

.claims-list.positive li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
}

.claims-list.negative li::before {
    content: '';
    position: absolute;
    left: 2px;
    top: 14px;
    width: 8px;
    height: 2px;
    background: var(--gray);
}

/* Concept Cards (used on landing page and concept atlas) */
.concept-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin: 20px 0;
}

.concept-card {
    padding: 20px;
    background: var(--light);
    border-radius: 8px;
    transition: transform 0.3s ease;
    border-left: 3px solid transparent;
}

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

.concept-card h3 {
    font-size: 1.05rem;
    color: var(--accent);
    margin-bottom: 8px;
}

.concept-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #444;
}

.concept-card a {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
}

.concept-card a:hover {
    text-decoration: underline;
}

/* Two Tracks Section */
.tracks-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 20px 0;
}

.track-card {
    padding: 24px;
    background: var(--light);
    border-radius: 8px;
    border-top: 3px solid var(--accent);
}

.track-card h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 8px;
}

.track-card .track-label {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.track-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #444;
}

/* Explore Links */
.explore-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin: 20px 0;
}

.explore-link {
    display: block;
    padding: 16px 20px;
    background: var(--light);
    border-radius: 8px;
    text-decoration: none;
    color: var(--primary);
    font-weight: 500;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.explore-link:hover {
    border-color: var(--accent);
    transform: translateY(-1px);
}

.explore-link .link-desc {
    display: block;
    font-size: 0.85rem;
    color: var(--gray);
    font-weight: 400;
    margin-top: 4px;
}

/* ============================================
   Framework Navigator Styles
   ============================================ */

.navigator-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    padding: 12px 16px;
    background: var(--light);
    border-radius: 8px;
    margin-bottom: 16px;
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.navigator-toolbar button {
    padding: 4px 10px;
    border: 1px solid #ddd;
    background: white;
    border-radius: 4px;
    font-size: 0.82rem;
    cursor: pointer;
    color: var(--primary);
    font-family: inherit;
    transition: all 0.2s ease;
}

.navigator-toolbar button:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.navigator-toolbar button.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.navigator-toolbar .toolbar-sep {
    width: 1px;
    height: 20px;
    background: #ddd;
    margin: 0 4px;
}

.navigator-search {
    flex: 1;
    min-width: 160px;
    padding: 6px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.9rem;
    font-family: inherit;
    background: white;
    color: var(--primary);
}

.navigator-search:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(255, 107, 53, 0.15);
}

.navigator-search::placeholder {
    color: #aaa;
}

/* Breadcrumb */
.navigator-breadcrumb {
    font-size: 0.85rem;
    color: var(--gray);
    padding: 8px 0;
    margin-bottom: 12px;
    min-height: 1.5em;
    line-height: 1.5;
}

.navigator-breadcrumb span {
    cursor: pointer;
    transition: color 0.2s ease;
}

.navigator-breadcrumb span:hover {
    color: var(--accent);
}

/* Navigator Tree */
.navigator-tree {
    font-size: 0.95rem;
    line-height: 1.5;
}

.nav-node {
    margin-left: 0;
}

.nav-node .nav-node {
    margin-left: 20px;
}

.nav-node-header {
    display: flex;
    align-items: baseline;
    gap: 6px;
    padding: 4px 0;
    cursor: pointer;
    user-select: none;
    transition: background 0.15s ease;
    border-radius: 4px;
    padding-left: 4px;
}

.nav-node-header:hover {
    background: rgba(0, 0, 0, 0.03);
}

.nav-toggle {
    font-size: 0.7rem;
    color: var(--gray);
    width: 14px;
    flex-shrink: 0;
    transition: transform 0.2s ease;
    display: inline-block;
}

.nav-toggle.expanded {
    transform: rotate(90deg);
}

.nav-toggle.leaf {
    visibility: hidden;
}

.nav-id {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.8rem;
    color: var(--gray);
    flex-shrink: 0;
    min-width: 2em;
}

.nav-title {
    font-weight: 500;
    color: var(--primary);
}

.nav-title.highlight {
    background: rgba(255, 107, 53, 0.15);
    border-radius: 2px;
    padding: 0 2px;
}

/* Level-based title styling */
.nav-node-header[data-level="1"] .nav-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--accent);
}

.nav-node-header[data-level="2"] .nav-title {
    font-weight: 600;
    font-size: 1rem;
}

.nav-node-header[data-level="3"] .nav-title {
    font-weight: 500;
    font-size: 0.95rem;
    color: #333;
}

.nav-node-header[data-level="4"] .nav-title,
.nav-node-header[data-level="5"] .nav-title {
    font-weight: 400;
    font-size: 0.9rem;
    color: #555;
}

/* Node content */
.nav-node-content {
    display: none;
    padding: 8px 12px 12px 24px;
    font-size: 0.9rem;
    line-height: 1.7;
    color: #444;
    border-left: 2px solid var(--light);
    margin-left: 10px;
    margin-bottom: 8px;
}

.nav-node-content.visible {
    display: block;
}

.nav-node-content p {
    margin-bottom: 10px;
}

.nav-node-content ul, .nav-node-content ol {
    margin: 8px 0;
    padding-left: 20px;
}

.nav-node-content li {
    margin-bottom: 4px;
}

.nav-node-content code {
    background: var(--light);
    padding: 2px 5px;
    border-radius: 3px;
    font-size: 0.88em;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

.nav-node-content pre {
    background: var(--light);
    padding: 12px;
    border-radius: 6px;
    overflow-x: auto;
    margin: 10px 0;
}

.nav-node-content pre code {
    background: none;
    padding: 0;
}

.nav-node-content strong {
    color: var(--primary);
}

.nav-node-content em {
    color: #555;
}

.nav-node-content a {
    color: var(--accent);
    text-decoration: none;
}

.nav-node-content a:hover {
    text-decoration: underline;
}

/* Children container */
.nav-children {
    display: none;
}

.nav-children.expanded {
    display: block;
}

/* Navigator intro text */
.navigator-intro {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.7;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--light);
}

/* Navigator meta */
.navigator-meta {
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--light);
}

/* ============================================
   Concept Atlas Styles
   ============================================ */

.concept-atlas-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 12px 16px;
    background: var(--light);
    border-radius: 8px;
    margin-bottom: 24px;
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.concept-atlas-nav a {
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--gray);
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.concept-atlas-nav a:hover,
.concept-atlas-nav a.active {
    color: var(--primary);
    background: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.concept-atlas-search {
    flex: 1;
    min-width: 140px;
    padding: 4px 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.85rem;
    font-family: inherit;
    background: white;
}

.concept-atlas-search:focus {
    outline: none;
    border-color: var(--accent);
}

.concept-entry {
    margin-bottom: 40px;
    padding: 28px;
    background: var(--light);
    border-radius: 8px;
    border-left: 4px solid var(--accent);
    scroll-margin-top: 80px;
}

.concept-entry.hidden {
    display: none;
}

.concept-entry h2 {
    font-size: 1.3rem;
    color: var(--accent);
    margin-bottom: 4px;
}

.concept-entry .concept-number {
    font-size: 0.85rem;
    color: var(--gray);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.concept-entry .concept-definition {
    line-height: 1.7;
    margin-bottom: 16px;
    color: #333;
}

.concept-analogy {
    background: white;
    border-radius: 6px;
    padding: 16px 20px;
    margin: 16px 0;
    border-left: 3px solid var(--accent);
}

.concept-analogy .analogy-label {
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.concept-analogy p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #444;
    font-style: italic;
}

.concept-relations {
    margin-top: 16px;
    font-size: 0.9rem;
}

.concept-relations .relation-label {
    font-weight: 600;
    color: var(--primary);
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.concept-relations a {
    display: inline-block;
    padding: 3px 10px;
    margin: 3px 4px 3px 0;
    background: white;
    border-radius: 4px;
    color: var(--accent);
    text-decoration: none;
    font-size: 0.85rem;
    border: 1px solid #e5e5e5;
    transition: all 0.2s ease;
}

.concept-relations a:hover {
    border-color: var(--accent);
    background: rgba(255, 107, 53, 0.05);
}

/* ============================================
   Writing List (for published writing page)
   ============================================ */

.article-list {
    margin: 20px 0;
}

.article-item {
    padding: 24px;
    background: var(--light);
    border-radius: 8px;
    margin-bottom: 16px;
    transition: transform 0.3s ease;
}

.article-item:hover {
    transform: translateY(-2px);
}

.article-item h3 {
    font-size: 1.1rem;
    margin-bottom: 6px;
}

.article-item h3 a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.article-item h3 a:hover {
    color: var(--accent);
}

.article-item .article-meta {
    font-size: 0.85rem;
    color: var(--gray);
    margin-bottom: 8px;
}

.article-item .article-venue {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(255, 107, 53, 0.1);
    color: var(--accent);
    border-radius: 3px;
    font-size: 0.8rem;
    font-weight: 500;
}

.article-item p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #444;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
    .tracks-grid {
        grid-template-columns: 1fr;
    }

    .concept-grid {
        grid-template-columns: 1fr;
    }

    .navigator-toolbar {
        position: relative;
    }

    .concept-atlas-nav {
        position: relative;
    }

    .concept-entry {
        padding: 20px;
    }
}

@media (max-width: 600px) {
    .research-subnav {
        gap: 4px;
        padding: 8px 12px;
    }

    .research-subnav a {
        padding: 4px 8px;
        font-size: 0.85rem;
    }

    .explore-links {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Print - Hide interactive elements
   ============================================ */
@media print {
    .research-subnav,
    .navigator-toolbar,
    .concept-atlas-nav,
    .navigator-breadcrumb {
        display: none !important;
    }

    .nav-children {
        display: block !important;
    }

    .nav-node-content {
        display: block !important;
    }

    .concept-entry {
        break-inside: avoid;
    }
}