:root {
    --bg-primary: #fafbfc;
    --bg-secondary: #ffffff;
    --bg-accent: #f8f9fa;
    --text-primary: #1a1d23;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --accent-primary: #2d3748;
    --accent-secondary: #4a5568;
    --autify-primary: #00b894;
    --autify-secondary: #00a085;
    --google-primary: #4285f4;
    --google-secondary: #3367d6;
    --easy-primary: #ff6b6b;
    --easy-secondary: #e55353;
    --success-color: #48bb78;
    --warning-color: #ed8936;
    --error-color: #f56565;
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --gradient-primary: linear-gradient(135deg, var(--autify-primary), var(--google-primary));
    --gradient-secondary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

[data-theme="dark"] {
    --bg-primary: #1a202c;
    --bg-secondary: #2d3748;
    --bg-accent: #4a5568;
    --text-primary: #f7fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #a0aec0;
    --accent-primary: #f7fafc;
    --accent-secondary: #e2e8f0;
    --autify-primary: #48bb78;
    --autify-secondary: #38a169;
    --google-primary: #63b3ed;
    --google-secondary: #4299e1;
    --easy-primary: #fc8181;
    --easy-secondary: #f56565;
    --success-color: #68d391;
    --warning-color: #f6ad55;
    --error-color: #fc8181;
    --border-light: #4a5568;
    --border-medium: #718096;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 16px;
}

.theme-toggle {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 1000;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 50px;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(20px);
}

.theme-toggle:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.theme-toggle i {
    margin-right: 8px;
    color: var(--autify-primary);
    transition: transform 0.3s ease;
}

.theme-toggle:hover i {
    transform: rotate(180deg);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Hero Section */
.hero {
    background: var(--gradient-primary);
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
}

.ocr-visual {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scanning-line {
    position: absolute;
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
    animation: scan 3s infinite;
}

@keyframes scan {
    0% { transform: translateY(-100px); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateY(100px); opacity: 0; }
}

.text-blocks {
    display: flex;
    gap: 40px;
    align-items: center;
    justify-content: center;
}

.text-block {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    animation: float 4s ease-in-out infinite;
}

.text-block:nth-child(1) { animation-delay: 0s; }
.text-block:nth-child(2) { animation-delay: 0.8s; }
.text-block:nth-child(3) { animation-delay: 1.6s; }
.text-block:nth-child(4) { animation-delay: 2.4s; }
.text-block:nth-child(5) { animation-delay: 3.2s; }

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.original-post-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 20px;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.original-post-link:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.original-post-link i {
    font-size: 11px;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.original-post-link:hover i {
    opacity: 1;
    transform: translateX(2px);
}

.company-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    color: white;
    margin-bottom: 16px;
    line-height: 1.1;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
    font-weight: 400;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-meta {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.meta-item i {
    color: rgba(255, 255, 255, 0.9);
}

/* Article Content */
.article {
    background: var(--bg-secondary);
    margin: -40px auto 60px;
    padding: 60px;
    border-radius: 24px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-light);
    position: relative;
    z-index: 2;
}

.title-image-container {
    text-align: center;
    margin-bottom: 48px;
}

.title-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
}

.article h2 {
    font-size: 2rem;
    color: var(--text-primary);
    margin: 48px 0 24px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
}

.article h2:first-child {
    margin-top: 0;
}

.article h2 i {
    color: var(--autify-primary);
    font-size: 1.5rem;
}

.article h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 36px 0 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.article h3 i {
    color: var(--google-primary);
    font-size: 1.2rem;
}

.article p {
    margin-bottom: 24px;
    color: var(--text-primary);
    line-height: 1.8;
}

.article a {
    color: var(--autify-primary);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.article a:hover {
    border-bottom-color: var(--autify-primary);
}

/* Intro Section */
.intro-section {
    margin-bottom: 48px;
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Executive Summary */
.executive-summary {
    background: var(--bg-accent);
    padding: 32px;
    border-radius: 16px;
    margin: 32px 0;
    border: 1px solid var(--border-light);
}

.results-overview {
    margin-top: 24px;
}

.accuracy-chart {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.accuracy-bar {
    display: flex;
    align-items: center;
    gap: 20px;
}

.engine-name {
    font-weight: 600;
    min-width: 120px;
    font-size: 14px;
    color: var(--text-primary);
}

.bar-container {
    flex: 1;
    height: 32px;
    background: var(--bg-secondary);
    border-radius: 16px;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.bar {
    height: 100%;
    border-radius: 16px;
    position: relative;
    transition: width 1s ease-in-out;
}

.autify-bar .bar {
    background: linear-gradient(135deg, var(--autify-primary), var(--autify-secondary));
}

.google-bar .bar {
    background: linear-gradient(135deg, var(--google-primary), var(--google-secondary));
}

.easy-bar .bar {
    background: linear-gradient(135deg, var(--easy-primary), var(--easy-secondary));
}

.percentage {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-weight: 700;
    color: white;
    font-size: 14px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* Methodology Section */
.methodology-section {
    margin: 48px 0;
}

.methodology-highlight {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.highlight-item {
    background: var(--bg-secondary);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-light);
    text-align: center;
    transition: all 0.3s ease;
}

.highlight-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.highlight-item i {
    font-size: 2rem;
    color: var(--autify-primary);
    margin-bottom: 16px;
}

.highlight-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

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

/* Dataset Section */
.dataset-pipeline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin: 32px 0;
    flex-wrap: wrap;
}

.pipeline-step {
    background: var(--bg-secondary);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-light);
    text-align: center;
    flex: 1;
    min-width: 200px;
    position: relative;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--autify-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto 16px;
    font-size: 1.2rem;
}

.step-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.data-point {
    background: var(--bg-accent);
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--autify-primary);
    display: inline-block;
}

.pipeline-arrow {
    font-size: 1.5rem;
    color: var(--autify-primary);
    font-weight: 700;
}

/* Results Section */
.results-section {
    margin: 48px 0;
}

.results-content {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.results-narrative {
    background: var(--bg-accent);
    padding: 24px;
    border-radius: 12px;
    border-left: 4px solid var(--autify-primary);
}

.agreement-analysis {
    background: var(--bg-secondary);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-light);
}

.agreement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.agreement-item {
    text-align: center;
    padding: 20px;
    background: var(--bg-accent);
    border-radius: 8px;
}

.agreement-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.agreement-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--autify-primary);
    margin-bottom: 4px;
}

.agreement-note {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.final-accuracy {
    background: var(--bg-secondary);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-light);
}

.accuracy-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin: 20px 0;
}

.accuracy-result {
    background: var(--bg-accent);
    padding: 24px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.3s ease;
}

.accuracy-result:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.result-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.autify-result .result-icon {
    background: linear-gradient(135deg, var(--autify-primary), var(--autify-secondary));
}

.google-result .result-icon {
    background: linear-gradient(135deg, var(--google-primary), var(--google-secondary));
}

.result-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.accuracy-number {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 4px;
}

.autify-result .accuracy-number {
    color: var(--autify-primary);
}

.google-result .accuracy-number {
    color: var(--google-primary);
}

.result-status {
    font-size: 0.9rem;
    font-weight: 500;
    padding: 4px 8px;
    border-radius: 12px;
    display: inline-block;
}

.autify-result .result-status {
    background: var(--autify-primary);
    color: white;
}

.google-result .result-status {
    background: var(--google-primary);
    color: white;
}

/* Analysis Section */
.analysis-section {
    margin: 48px 0;
}

.strength-analysis {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.strength-card {
    background: var(--bg-secondary);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.strength-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.strength-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.autify-strengths .strength-header i {
    color: var(--autify-primary);
}

.google-strengths .strength-header i {
    color: var(--google-primary);
}

.strength-header h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.strength-list {
    list-style: none;
    padding: 0;
}

.strength-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
    padding: 8px 0;
}

.strength-list li:last-child {
    margin-bottom: 0;
}

.strength-list li i {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 2px;
}

.strength-list li span {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.limitation-analysis {
    background: var(--bg-accent);
    padding: 24px;
    border-radius: 12px;
    border-left: 4px solid var(--warning-color);
    margin: 32px 0;
}

.limitation-analysis h3 {
    color: var(--warning-color);
    margin-bottom: 16px;
}

/* Samples Section */
.samples-section {
    margin: 48px 0;
}

.samples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 32px;
    margin: 32px 0;
}

.sample-item {
    background: var(--bg-secondary);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.sample-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.sample-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--bg-accent);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sample-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.sample-item:hover .sample-image img {
    transform: scale(1.05);
}

.sample-analysis {
    padding: 20px;
}

.sample-result {
    margin-bottom: 16px;
}

.result-label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
    margin-bottom: 8px;
    display: block;
}

.engine-results {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.engine-result {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    color: white;
}

.engine-result.success {
    background: var(--success-color);
}

.engine-result.failure {
    background: var(--error-color);
}

.sample-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

/* Conclusion Section */
.conclusion-section {
    margin: 48px 0;
}

.conclusion-content {
    background: var(--bg-accent);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid var(--border-light);
}

.key-takeaways {
    margin-top: 32px;
}

.key-takeaways h3 {
    color: var(--text-primary);
    margin-bottom: 24px;
}

.takeaway-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.takeaway-item {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.takeaway-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.takeaway-item i {
    font-size: 1.5rem;
    color: var(--autify-primary);
    margin-bottom: 12px;
}

.takeaway-item h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.takeaway-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

/* Tags Section */
.tags-section {
    margin: 48px 0;
}

.tags-section h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
}

.tags-section h3 i {
    color: var(--autify-primary);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.tag {
    background: var(--autify-primary);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.tag:hover {
    background: var(--autify-secondary);
    transform: translateY(-2px);
}

/* Navigation */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 28px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 50px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    margin: 80px 0 60px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-md);
}

.back-link:hover {
    background: var(--autify-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.back-link i {
    transition: transform 0.3s ease;
}

.back-link:hover i {
    transform: translateX(-4px);
}

/* Footer */
.footer {
    text-align: center;
    padding: 60px 0;
    border-top: 1px solid var(--border-light);
    color: var(--text-muted);
    font-size: 14px;
    background: var(--bg-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 80px 0 60px;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-meta {
        gap: 16px;
        flex-direction: column;
        align-items: center;
    }
    
    .text-blocks {
        gap: 20px;
    }
    
    .text-block {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .article {
        padding: 32px 24px;
        margin: -20px auto 40px;
    }
    
    .article h2 {
        font-size: 1.6rem;
        margin: 36px 0 20px;
    }
    
    .article h3 {
        font-size: 1.3rem;
    }
    
    .methodology-highlight {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .dataset-pipeline {
        flex-direction: column;
    }
    
    .pipeline-arrow {
        transform: rotate(90deg);
    }
    
    .accuracy-bar {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }
    
    .engine-name {
        min-width: auto;
    }
    
    .bar-container {
        width: 100%;
    }
    
    .agreement-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .accuracy-comparison {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .strength-analysis {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .samples-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .takeaway-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .theme-toggle {
        top: 16px;
        right: 16px;
        padding: 10px 16px;
    }
    
    body {
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
    }
    
    .article {
        padding: 24px 16px;
    }
    
    .executive-summary,
    .methodology-highlight,
    .conclusion-content {
        padding: 20px;
    }
    
    .tags {
        gap: 8px;
    }
    
    .tag {
        font-size: 13px;
        padding: 6px 12px;
    }
    
    .text-blocks {
        gap: 12px;
    }
    
    .text-block {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 32px;
    }
    
    .article {
        padding: 80px;
    }
    
    .samples-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .takeaway-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}