/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fafafa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand a {
    text-decoration: none;
}

.nav-brand h2 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    transition: transform 0.3s ease;
}

.nav-brand a:hover h2 {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #667eea;
}

.nav-menu a.explore-border {
    border: 2px solid #667eea;
    border-radius: 8px;
    padding: 0.5rem 1rem;
    text-decoration: none !important;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding-top: 80px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: white;
    color: #333;
    border: 2px solid #e1e5e9;
}

.btn-secondary:hover {
    border-color: #667eea;
    color: #667eea;
}

/* Grid Visualization */
.hero-visual {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

#spin-grid-canvas {
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    background: #f8f9fa;
    transition: transform 0.3s ease;
}

#spin-grid-canvas:hover {
    transform: translateY(-2px);
}

.grid-controls {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}

.control-hint {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.key-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 2px solid #667eea;
    border-radius: 6px;
    background: transparent;
    color: #667eea;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.key-button:hover {
    background: #667eea;
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.3);
}

.key-button.wide {
    width: 64px;
}

.control-label {
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
}

@keyframes spin-flip {
    0% { transform: scaleY(1); }
    50% { transform: scaleY(0); }
    100% { transform: scaleY(1); }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #333;
}

.section-header p {
    font-size: 1.2rem;
    color: #666;
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: #f8f9fa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* Results Section */
.results {
    padding: 6rem 0;
    background: #f8f9fa;
}

.results-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.results-chart h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #333;
}

.chart-placeholder {
    display: flex;
    align-items: end;
    gap: 1rem;
    height: 200px;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.chart-bar {
    flex: 1;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px 4px 0 0;
    display: flex;
    align-items: end;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    padding-bottom: 0.5rem;
    min-height: 40px;
}

.results-summary h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #333;
}

.results-summary ul {
    list-style: none;
}

.results-summary li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #666;
}

.results-summary li::before {
    content: "";
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* Datasets Section */
.datasets {
    padding: 6rem 0;
    background: white;
}

.dataset-showcase {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    align-items: center;
}

.dataset-main-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 3rem;
    border-radius: 16px;
    border: 2px solid #e1e5e9;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    width: 100%;
}

.dataset-card-header {
    margin-bottom: 2rem;
}

.dataset-main-card h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

.dataset-stats {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.dataset-stats span {
    background: #667eea;
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.difficulty-tag {
    background: #e1e5e9 !important;
    color: #666 !important;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.difficulty-tag:hover {
    background: #d1d5d9 !important;
    transform: translateY(-2px);
}

.difficulty-tag.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: white !important;
    border-color: #667eea;
}

.dataset-grid-visual {
    background: #1a1a1a;
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
}

.dataset-grid-visual:hover {
    background: #2a2a2a;
    transform: scale(1.02);
}

.dataset-code {
    background: #1a1a1a;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    font-family: 'Monaco', 'Consolas', 'Courier New', monospace;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.dataset-code:hover {
    background: #2a2a2a;
    border-color: #667eea;
    transform: translateY(-2px);
}

.dataset-code code {
    color: #e6e6e6;
    font-size: 0.95rem;
}

.dataset-main-card p {
    color: #666;
    line-height: 1.6;
    font-size: 1.1rem;
}

.dataset-selector {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.dataset-option {
    background: white;
    border: 2px solid #e1e5e9;
    border-radius: 12px;
    padding: 1.5rem 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    min-width: 120px;
}

.dataset-option:hover {
    border-color: #667eea;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.2);
}

.dataset-option.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
    color: white;
}

.option-label {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.option-nodes {
    font-size: 0.9rem;
    opacity: 0.8;
}

.dataset-option.active .option-label,
.dataset-option.active .option-nodes {
    color: white;
}

/* Documentation Section */
.documentation {
    padding: 6rem 0;
    background: #f8f9fa;
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.doc-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.doc-card:hover {
    transform: translateY(-3px);
}

.doc-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

.doc-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.doc-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.doc-link:hover {
    color: #764ba2;
}

/* Contact/Resources Section */
.contact {
    padding: 6rem 0;
    background: #f8f9fa;
}

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

.resource-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
    border: 2px solid transparent;
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.paper-card:hover {
    border-color: #ff6b6b;
}

.dataset-card:hover {
    border-color: #4ecdc4;
}

.code-card:hover {
    border-color: #45b7d1;
}

.resource-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
}

.resource-card h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

.resource-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.resource-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.arxiv-link {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
    color: white;
}

.huggingface-link {
    background: linear-gradient(135deg, #4ecdc4 0%, #44a08d 100%);
    color: white;
}

.github-link {
    background: linear-gradient(135deg, #45b7d1 0%, #3498db 100%);
    color: white;
}

.resource-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.link-arrow {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.resource-link:hover .link-arrow {
    transform: translateX(3px);
}

/* Get Started Section */
.get-started {
    padding: 6rem 0;
    background: white;
}

.code-example {
    background: #1e1e1e;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    max-width: 800px;
    margin: 0 auto;
}

.code-tabs {
    display: flex;
    background: #2d2d2d;
    border-bottom: 1px solid #404040;
}

.tab-btn {
    background: none;
    border: none;
    padding: 1rem 2rem;
    color: #aaa;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 2px solid transparent;
}

.tab-btn.active,
.tab-btn:hover {
    color: #667eea;
    border-bottom-color: #667eea;
}

.code-content {
    position: relative;
}

.tab-panel {
    display: none;
    padding: 0;
}

.tab-panel.active {
    display: block;
}

.tab-panel pre {
    margin: 0;
    padding: 2rem;
    background: #1e1e1e;
    color: #e6e6e6;
    font-family: 'Monaco', 'Consolas', 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    overflow-x: auto;
}

.tab-panel code {
    color: #e6e6e6;
}

.github-examples-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #667eea;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    padding: 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: rgba(102, 126, 234, 0.1);
}

.github-examples-link:hover {
    background: rgba(102, 126, 234, 0.2);
    transform: translateX(4px);
}

.github-icon {
    font-size: 1.3rem;
}

/* Python Syntax Highlighting */
.keyword {
    color: #ff7b7b;
    font-weight: 600;
}

.string {
    color: #98d982;
}

.comment {
    color: #7c7c7c;
    font-style: italic;
}

.function {
    color: #82aaff;
}

.class {
    color: #ffcb6b;
    font-weight: 600;
}

.variable {
    color: #f07178;
}

.parameter {
    color: #c792ea;
}

.module {
    color: #89ddff;
}

.builtin {
    color: #ffcb6b;
}

.command {
    color: #89ddff;
}

/* Explore Page */
.explore-hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding-top: 80px;
    text-align: center;
}

.explore-content h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.explore-content p {
    font-size: 1.5rem;
    color: #666;
}

/* Explore Section on Homepage */
.explore-section {
    padding: 6rem 0;
    background: #f8f9fa;
}

.explore-content-home {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.explore-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #333;
}

.explore-text p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.explore-preview {
    display: flex;
    justify-content: center;
    align-items: center;
}

.preview-link {
    text-decoration: none;
    display: inline-block;
    transition: transform 0.3s ease;
}

.preview-link:hover {
    transform: scale(1.05);
}

.preview-screen {
    background: #1a1a1a;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    max-width: 300px;
    width: 100%;
}

.preview-header {
    background: #2d2d2d;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid #404040;
}

.preview-dots {
    display: flex;
    gap: 0.25rem;
}

.preview-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #666;
}

.preview-dots span:first-child {
    background: #ff5f56;
}

.preview-dots span:nth-child(2) {
    background: #ffbd2e;
}

.preview-dots span:nth-child(3) {
    background: #27ca3f;
}

.preview-title {
    color: #aaa;
    font-size: 0.8rem;
    font-weight: 500;
}

.preview-content {
    padding: 1.5rem;
    background: #1a1a1a;
}

.preview-graph {
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
}

.explore-node {
    animation: pulse-explore 2s ease-in-out infinite alternate;
}

@keyframes pulse-explore {
    0% { opacity: 0.6; r: 3; }
    100% { opacity: 1; r: 5; }
}

.preview-stats {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.stat-item {
    text-align: center;
}

.stat-label {
    display: block;
    color: #aaa;
    font-size: 0.7rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    display: block;
    color: #667eea;
    font-size: 1rem;
    font-weight: 700;
}

/* Explore Page Sections */
.explore-hero {
    padding: 8rem 0 4rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.explore-hero .explore-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: white;
    background: none;
    -webkit-text-fill-color: white;
}

.explore-hero .explore-content p {
    font-size: 1.3rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    color: white;
}

.explore-section:nth-child(odd) {
    background: #f8f9fa;
}

/* Data Section */
.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.data-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    border: 2px solid transparent;
}

.data-card:hover {
    transform: translateY(-5px);
    border-color: #667eea;
}

.data-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.data-card h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

.data-stats {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.data-stats .stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.data-stats .stat-label {
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
    text-transform: none;
    letter-spacing: normal;
    margin-bottom: 0;
}

.data-stats .stat-value {
    font-size: 1rem;
    font-weight: 600;
    color: #667eea;
}

.data-card p {
    color: #666;
    line-height: 1.6;
}

/* Oracle Section */
.oracle-section {
    background: #f8f9fa;
}

.oracle-content {
    display: block;
    width: 100%;
}

.oracle-description {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.oracle-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
    border: 2px solid transparent;
    transition: transform 0.3s ease;
    width: 85%;
    margin: 0 auto;
}

.oracle-card:hover {
    transform: translateY(-3px);
    border-color: #764ba2;
}

.oracle-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.oracle-card h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

.oracle-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.oracle-formula {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid #667eea;
    font-family: 'Courier New', monospace;
}

.oracle-formula code {
    font-size: 1.1rem;
    color: #333;
}

.oracle-metrics {
    display: flex;
    gap: 2rem;
}

.metric {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    flex: 1;
}

.metric-label {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.metric-value {
    font-size: 1.3rem;
    font-weight: 600;
    color: #667eea;
}

/* Oracle Visualization */
.oracle-visualization {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.oracle-demo h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
    text-align: center;
}

.oracle-demo h5 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 1.5rem 0 1rem 0;
    color: #333;
    text-align: center;
}

.oracle-demo p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1rem;
    text-align: left;
}

.range-comparison {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.range-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.range-item:hover {
    transform: scale(1.02);
}

.range-label {
    font-weight: 600;
    color: #333;
    margin-bottom: 0.8rem;
}

.range-visual {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 0.8rem;
    position: relative;
    background: radial-gradient(circle, #667eea 0%, transparent 70%);
}

.range-visual.local {
    background: radial-gradient(circle, #ff6b6b 0%, transparent 30%);
}

.range-visual.medium {
    background: radial-gradient(circle, #4ecdc4 0%, transparent 50%);
}

.range-visual.oracle {
    background: radial-gradient(circle, #667eea 0%, transparent 70%);
    animation: oracleGlow 2s infinite;
}

@keyframes oracleGlow {
    0%, 100% { box-shadow: 0 0 20px rgba(102, 126, 234, 0.3); }
    50% { box-shadow: 0 0 30px rgba(102, 126, 234, 0.6); }
}

.range-accuracy {
    font-size: 0.9rem;
    color: #666;
    text-align: center;
}

/* Oracle Data Visualization */
.oracle-viz-container {
    margin-top: 2rem;
}

/* Oracle Overview Visualization */
.oracle-overview-container {
    margin-top: 2rem;
}

.overview-chart-container {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
    overflow-x: auto;
}

.overview-chart-container canvas {
    max-width: 100%;
    height: auto;
}

.overview-legend {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.overview-legend h5 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

.legend-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.legend-line {
    width: 24px;
    height: 3px;
    border-radius: 2px;
}

.legend-text {
    font-size: 0.85rem;
    color: #666;
    font-weight: 500;
}

.oracle-controls {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.size-buttons,
.difficulty-buttons {
    display: flex;
    flex-direction: column;
}

.button-row {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.size-btn,
.difficulty-btn {
    padding: 0.6rem 1.2rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    background: white;
    color: #666;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.size-btn:hover,
.difficulty-btn:hover {
    border-color: #667eea;
    color: #333;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.2);
}

.size-btn.selected,
.difficulty-btn.selected {
    background: #667eea;
    border-color: #667eea;
    color: white;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.size-btn.selected:hover,
.difficulty-btn.selected:hover {
    background: #5a6fd8;
    border-color: #5a6fd8;
}

.dataset-info {
    flex: 1;
}

.info-grid {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.8rem;
    background: #f8f9fa;
    border-radius: 6px;
    min-width: 80px;
}

.info-label {
    font-size: 0.8rem;
    color: #666;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    font-size: 1rem;
    font-weight: 600;
    color: #667eea;
}

.oracle-chart-container {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
    overflow-x: auto;
}

.oracle-chart-container canvas {
    max-width: 100%;
    height: auto;
}

.chart-header {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1rem;
}

.log-scale-btn {
    background: #f8f9fa;
    color: #667eea;
    border: 2px solid #667eea;
    border-radius: 6px;
    padding: 0.4rem 0.8rem;
    font-family: 'Inter', sans-serif;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.log-scale-btn:hover {
    background: #667eea;
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(102, 126, 234, 0.3);
}

.oracle-table-controls {
    text-align: center;
    margin: 2rem 0;
}

.toggle-table-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.toggle-table-btn:hover {
    background: #5a6fd8;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.toggle-table-btn:active {
    transform: translateY(0);
}

.oracle-data-table h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

.data-table-wrapper {
    overflow-x: auto;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.oracle-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.oracle-table th,
.oracle-table td {
    padding: 0.8rem 1rem;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

.oracle-table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #333;
    border-bottom: 2px solid #e0e0e0;
}

.oracle-table td {
    color: #666;
}

.oracle-table tbody tr:hover {
    background: #f8f9fa;
}

.oracle-table tbody tr:last-child td {
    border-bottom: none;
}

.loading {
    text-align: center;
    padding: 2rem;
    color: #666;
    font-style: italic;
}

.error {
    text-align: center;
    padding: 2rem;
    color: #dc3545;
    background: #f8d7da;
    border-radius: 6px;
    margin: 1rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }
    
    .results-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .resource-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .explore-content-home {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .chart-placeholder {
        height: 150px;
        padding: 1rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .datasets-grid,
    .docs-grid {
        grid-template-columns: 1fr;
    }
    
    .code-tabs {
        flex-direction: column;
    }
    
    .tab-btn {
        text-align: center;
        border-bottom: 1px solid #404040;
        border-right: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .hero-container,
    .nav-container {
        padding: 0 15px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .explore-content h1 {
        font-size: 2.5rem;
    }
    
    .tab-panel pre {
        padding: 1rem;
        font-size: 0.8rem;
    }
    
    .explore-text h2 {
        font-size: 2rem;
    }
    
    .preview-screen {
        max-width: 250px;
    }
}

/* Dataset Visualizer Section */
#data.explore-section {
    background: white;
}

/* Oracle Predictor Section */
#oracle.explore-section {
    background: #f8f9fa;
}

/* Get Started CTA Section */
.get-started-cta {
    padding: 6rem 0;
    background: white;
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #333;
}

.cta-content p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.btn-large {
    font-size: 1.1rem;
    padding: 1rem 2.5rem;
}

/* Dataset Visualizer Styles */
.dataset-controls {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    margin: 0 auto 2rem auto;
    max-width: 500px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.control-row {
    margin-bottom: 1.5rem;
}

.control-row:last-child {
    margin-bottom: 0;
}

.control-row h3 {
    color: #333;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.keyboard-hint {
    font-size: 0.8rem;
    font-weight: 400;
    color: #666;
}

.key {
    background: #f3f4f6;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    padding: 0.15rem 0.4rem;
    font-family: 'Inter', monospace;
    font-size: 0.75rem;
    color: #374151;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.size-selector {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.size-btn {
    padding: 0.5rem 0.75rem;
    border: 2px solid #e0e7ff;
    background: white;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    color: #667eea;
    cursor: pointer;
    transition: all 0.2s ease;
}

.size-btn:hover {
    border-color: #667eea;
    background: #f8faff;
}

.size-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
}

.difficulty-selector {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

.difficulty-btn {
    padding: 0.5rem 1.5rem;
    border: 2px solid #e0e7ff;
    background: white;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    color: #667eea;
    cursor: pointer;
    transition: all 0.2s ease;
}

.difficulty-btn:hover {
    border-color: #667eea;
    background: #f8faff;
}

.difficulty-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
}

.nav-btn {
    width: 40px;
    height: 40px;
    border: 2px solid #e0e7ff;
    background: white;
    border-radius: 50%;
    font-size: 1.2rem;
    color: #667eea;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-btn:hover {
    border-color: #667eea;
    background: #f8faff;
}

.nav-btn:active {
    transform: scale(0.95);
}

.sample-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    justify-content: center;
}

.sample-indicator {
    font-weight: 500;
    color: #555;
    min-width: 120px;
    text-align: center;
}

#current-sample {
    color: #667eea;
    font-weight: 600;
}

.dataset-visualization {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.viz-container {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.viz-panel {
    text-align: center;
}

.viz-panel h4 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
}

#spin-canvas,
#energy-canvas {
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    background: white;
    margin-bottom: 1rem;
}

.dataset-info {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

#dataset-title {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.dataset-info p {
    color: #666;
    line-height: 1.6;
}

.viz-legend {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: #555;
}

.spin-color,
.energy-color {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.8);
}

.spin-color.up {
    background-color: #667eea;
}

.spin-color.down {
    background-color: #ff6b6b;
}

.energy-color.low {
    background-color: #7c3aed;
}

.energy-color.high {
    background-color: #f97316;
}

/* Histogram Card Styles */
.histogram-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem auto 0 auto;
    max-width: 600px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.histogram-card .section-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.histogram-card .section-header h3 {
    color: #333;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.histogram-card .section-header p {
    color: #666;
    font-size: 0.9rem;
}

#histogram-canvas {
    display: block;
    margin: 0 auto;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    background: white;
    max-width: 100%;
    height: auto;
}

/* Responsive Design for Dataset Visualizer */
@media (max-width: 768px) {
    .viz-container {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    #spin-canvas,
    #energy-canvas {
        max-width: 100%;
        height: auto;
    }
    
    .size-selector {
        justify-content: center;
    }
    
    .viz-legend {
        gap: 1rem;
    }
}