/* =============================================
   ARTICLE PAGE STYLES
   ============================================= */

/* Article Main Container */
.article-main {
    padding-top: 100px;
    min-height: 100vh;
    background: var(--darker-bg);
}

.article-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

/* Back Link */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 2rem;
    transition: all var(--transition-normal);
}

.back-link:hover {
    color: var(--primary-color);
    gap: 0.75rem;
}

/* Article Header */
.article-header {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.article-meta-header {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.article-meta-header .article-category {
    background: var(--gradient-primary);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.article-meta-header .article-date,
.article-meta-header .article-read-time {
    color: var(--text-muted);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-header h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.2;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.article-lead {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Article Body */
.article-body {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.article-body p {
    margin-bottom: 1.5rem;
}

.article-body a {
    color: var(--primary-color);
    text-decoration: underline;
}

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

.intro-paragraph {
    font-size: 1.15rem;
    color: var(--text-primary);
    padding: 1.5rem;
    background: rgba(6, 104, 225, 0.1);
    border-left: 4px solid var(--primary-color);
    border-radius: 0 12px 12px 0;
    margin-bottom: 2.5rem;
}

/* Article Sections */
.article-section {
    margin-bottom: 3rem;
}

.article-section h2 {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.article-section h2 i {
    color: var(--primary-color);
}

.section-intro {
    font-style: italic;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

/* Observation Cards */
.observation-card {
    display: flex;
    gap: 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: all var(--transition-normal);
}

.observation-card:hover {
    border-color: var(--primary-color);
    transform: translateX(8px);
}

.observation-number {
    flex: 0 0 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.observation-content h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.observation-content p {
    color: var(--text-secondary);
    margin-bottom: 0;
    font-size: 1rem;
}

/* Article Figures */
.article-figure {
    margin: 2.5rem 0;
    background: white;
    border-radius: 16px;
    padding: 1rem;
    text-align: center;
}

.article-figure img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.article-figure.large {
    margin: 3rem -2rem;
    max-width: calc(100% + 4rem);
}

.article-figure figcaption {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #666;
    font-style: italic;
}

/* Caution Section */
.caution-section h2 i {
    color: #f59e0b;
}

.caution-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-left: 4px solid #f59e0b;
    border-radius: 0 16px 16px 0;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.caution-card.highlight {
    border-left-color: #ef4444;
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(239, 68, 68, 0.05) 100%);
}

.caution-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.caution-number {
    flex: 0 0 30px;
    height: 30px;
    border-radius: 50%;
    background: #f59e0b;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 700;
    color: white;
}

.caution-card.highlight .caution-number {
    background: #ef4444;
}

.caution-header h3 {
    font-size: 1.15rem;
    color: var(--text-primary);
    margin: 0;
}

.caution-card > p {
    margin-bottom: 0;
}

/* Frustration List */
.frustration-list {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.frustration-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: rgba(239, 68, 68, 0.1);
    border-radius: 12px;
}

.frustration-item i {
    font-size: 1.5rem;
    color: #ef4444;
}

.frustration-item strong {
    color: var(--text-primary);
}

.frustration-item span {
    display: block;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Takeaway Grid */
.takeaway-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.takeaway-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    border-radius: 12px;
    font-weight: 500;
}

.takeaway-item i {
    font-size: 1.25rem;
}

.takeaway-item.positive {
    background: rgba(0, 212, 170, 0.15);
    color: var(--accent-color);
}

.takeaway-item.neutral {
    background: rgba(6, 104, 225, 0.15);
    color: var(--primary-color);
}

.takeaway-item.caution {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

/* Article Footer */
.article-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.article-tags .tag {
    background: rgba(6, 104, 225, 0.15);
    color: var(--primary-color);
    padding: 0.4rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.article-share {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.article-share a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.article-share a:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.article-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
}

.author-image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.author-title {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .article-container {
        padding: 1rem;
    }
    
    .article-figure.large {
        margin: 2rem -1rem;
        max-width: calc(100% + 2rem);
    }
    
    .observation-card {
        flex-direction: column;
        text-align: center;
    }
    
    .observation-number {
        margin: 0 auto;
    }
    
    .takeaway-grid {
        grid-template-columns: 1fr;
    }
    
    .caution-header {
        flex-direction: column;
        text-align: center;
    }
    
    .frustration-item {
        flex-direction: column;
        text-align: center;
    }
}

/* =============================================
   AI HALLUCINATIONS ARTICLE STYLES
   ============================================= */

/* Intro Figure */
.intro-figure {
    margin-bottom: 2rem;
}

/* Info Callout */
.info-callout {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(6, 104, 225, 0.1);
    border-left: 4px solid var(--primary-color);
    border-radius: 0 12px 12px 0;
    margin-bottom: 2rem;
}

.info-callout > i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.info-callout strong {
    color: var(--text-primary);
}

/* Insight Callout */
.insight-callout {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(0, 212, 170, 0.1);
    border-left: 4px solid var(--accent-color);
    border-radius: 0 12px 12px 0;
    margin: 2rem 0;
}

.insight-callout > i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.insight-callout strong {
    color: var(--text-primary);
}

/* Warning Callout */
.warning-callout {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(245, 158, 11, 0.1);
    border-left: 4px solid #f59e0b;
    border-radius: 0 12px 12px 0;
    margin: 2rem 0;
}

.warning-callout > i {
    font-size: 1.5rem;
    color: #f59e0b;
}

.warning-callout strong {
    color: var(--text-primary);
}

/* Hallucination Cards */
.hallucination-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.hallucination-card.factual {
    border-left: 4px solid #ef4444;
}

.hallucination-card.contextual {
    border-left: 4px solid #f59e0b;
}

.hallucination-card.logical {
    border-left: 4px solid #8b5cf6;
}

.hallucination-card.multimodal {
    border-left: 4px solid var(--primary-color);
}

.hallucination-header {
    margin-bottom: 1rem;
}

.hallucination-type {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.hallucination-type i {
    font-size: 1.25rem;
}

.hallucination-card.factual .hallucination-type i { color: #ef4444; }
.hallucination-card.contextual .hallucination-type i { color: #f59e0b; }
.hallucination-card.logical .hallucination-type i { color: #8b5cf6; }
.hallucination-card.multimodal .hallucination-type i { color: var(--primary-color); }

/* Example Boxes */
.example-box {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 1rem;
    margin-top: 1rem;
}

.example-prompt {
    padding: 0.75rem;
    background: rgba(6, 104, 225, 0.1);
    border-radius: 8px;
    margin-bottom: 0.75rem;
}

.example-correct,
.example-wrong {
    display: flex;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 0.5rem;
}

.example-correct {
    background: rgba(0, 212, 170, 0.1);
}

.example-correct i {
    color: var(--accent-color);
    font-size: 1.25rem;
}

.example-wrong {
    background: rgba(239, 68, 68, 0.1);
}

.example-wrong i {
    color: #ef4444;
    font-size: 1.25rem;
}

.example-wrong em {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Logic List */
.logic-list {
    margin: 1rem 0 1rem 1.5rem;
    color: var(--text-secondary);
}

.logic-list li {
    margin-bottom: 0.5rem;
}

.logic-list em {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Code Example */
.code-example {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    overflow: hidden;
    margin-top: 1rem;
}

.code-header {
    background: rgba(6, 104, 225, 0.2);
    padding: 0.75rem 1rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.code-example pre {
    margin: 0;
    padding: 1rem;
    overflow-x: auto;
}

.code-example code {
    font-family: 'Fira Code', 'Monaco', 'Consolas', monospace;
    font-size: 0.9rem;
    color: var(--accent-color);
}

.code-explanation {
    padding: 1rem;
    background: rgba(239, 68, 68, 0.1);
    margin: 0;
    font-size: 0.9rem;
}

.code-explanation code {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-family: 'Fira Code', 'Monaco', 'Consolas', monospace;
    font-size: 0.85rem;
}

/* Measurement Grid */
.measurement-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

.measurement-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
}

.measurement-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(6, 104, 225, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.measurement-icon i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.measurement-card h3 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.measurement-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

.formula-block {
    background: rgba(0, 0, 0, 0.2);
    padding: 0.75rem;
    border-radius: 8px;
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
}

.formula-block p {
    margin-bottom: 0.25rem !important;
}

/* Mitigation Grid */
.mitigation-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

.mitigation-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
}

.mitigation-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: rgba(0, 212, 170, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.mitigation-icon i {
    font-size: 1.25rem;
    color: var(--accent-color);
}

.mitigation-item h4 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.mitigation-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* RAG Process */
.rag-process {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    margin: 2rem 0;
}

.rag-process h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.rag-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.rag-step {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(6, 104, 225, 0.15);
    padding: 0.75rem 1rem;
    border-radius: 25px;
}

.step-number {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    color: white;
}

.rag-steps > i {
    color: var(--accent-color);
}

/* Responsive for Hallucination Article */
@media (max-width: 1024px) {
    .measurement-grid {
        grid-template-columns: 1fr;
    }
    
    .mitigation-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .info-callout,
    .insight-callout,
    .warning-callout {
        flex-direction: column;
        text-align: center;
    }
    
    .rag-steps {
        flex-direction: column;
    }
    
    .rag-steps > i {
        transform: rotate(90deg);
    }
}