/* =========================================
   ENCYCLOPEDIA DETAIL - Matching Design System
   ========================================= */

.encyclopedia-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

.encyclopedia-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 2rem 3rem 4rem;
    width: 100%;
    position: relative;
    z-index: 1;
}

/* =========================================
   BREADCRUMBS
   ========================================= */
.breadcrumbs {
    margin-bottom: 2rem;
}

.breadcrumbs a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    background: rgba(28, 25, 23, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.breadcrumbs a:hover {
    color: var(--text-primary);
    background: rgba(28, 25, 23, 0.7);
    border-color: var(--border-default);
}

.breadcrumbs a i {
    width: 16px;
    height: 16px;
}

/* =========================================
   CONCEPT DETAIL CARD
   ========================================= */
.concept-detail-card {
    background: rgba(28, 25, 23, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

/* Gradient border effect */
.concept-detail-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(20, 184, 166, 0.3));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

/* =========================================
   CONCEPT HEADER
   ========================================= */
.concept-header {
    margin-bottom: 2rem;
}

.concept-type-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.85rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-400);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.concept-header h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin: 0;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

/* =========================================
   CONCEPT BODY
   ========================================= */
.concept-body {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-subtle);
}

.concept-body.markdown-content {
    opacity: 0;
    transition: opacity 0.1s ease-in-out;
}

/* Markdown content styling */
.concept-body.markdown-content h1,
.concept-body.markdown-content h2,
.concept-body.markdown-content h3 {
    color: var(--text-primary);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.concept-body.markdown-content h2 {
    font-size: 1.4rem;
}

.concept-body.markdown-content h3 {
    font-size: 1.2rem;
}

.concept-body.markdown-content p {
    margin-bottom: 1rem;
}

.concept-body.markdown-content ul,
.concept-body.markdown-content ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.concept-body.markdown-content li {
    margin-bottom: 0.5rem;
}

.concept-body.markdown-content code {
    font-family: var(--font-mono);
    background: rgba(0, 0, 0, 0.3);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.9em;
}

.concept-body.markdown-content pre {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 1rem;
    overflow-x: auto;
    margin-bottom: 1rem;
}

.concept-body.markdown-content pre code {
    background: transparent;
    padding: 0;
}

/* =========================================
   ONTOLOGY RELATIONS
   ========================================= */
.ontology-relations {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.relation-column h3 {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-subtle);
}

.relation-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.relation-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(0, 0, 0, 0.2);
    padding: 0.875rem 1rem;
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
    transition: all 0.2s ease;
}

.relation-item:hover {
    border-color: var(--primary-500);
    background: rgba(99, 102, 241, 0.1);
    transform: translateX(4px);
}

.relation-type {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-400);
    background: rgba(99, 102, 241, 0.15);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: var(--font-mono);
}

.relation-target {
    font-weight: 500;
    flex: 1;
}

.relation-type-tag {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 768px) {
    .encyclopedia-container {
        padding: 1.5rem 1rem 2rem;
    }
    
    .concept-detail-card {
        padding: 1.5rem;
    }
    
    .ontology-relations {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}