/* Playground-specific styles */

.playground-main {
    padding-top: 64px;
}

.playground-hero {
    padding: 6rem 2rem 4rem;
    text-align: center;
    background: linear-gradient(180deg, rgba(74, 144, 217, 0.1) 0%, transparent 100%);
}

.playground-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.playground-hero .hero-subtitle {
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.playground-hero .hero-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Claim Validation Section */
.claim-validation {
    padding: 4rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.scale-selector {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.scale-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.scale-btn {
    padding: 0.75rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 100px;
    color: var(--text);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.scale-btn:hover {
    border-color: var(--primary);
}

.scale-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

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

.claim-category {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.claim-category h3 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
    color: var(--primary);
}

.claim-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem;
    margin-bottom: 1rem;
    transition: all 0.2s;
}

.claim-card:last-child {
    margin-bottom: 0;
}

.claim-card:hover {
    border-color: rgba(74, 144, 217, 0.5);
}

.claim-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.claim-status {
    font-size: 1rem;
}

.claim-status.pass { color: #00d4aa; }
.claim-status.fail { color: #ff6b6b; }
.claim-status.pending { color: #ffd93d; }

.claim-header h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0;
}

.experimental-badge,
.optional-badge {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 500;
}

.experimental-badge {
    background: rgba(255, 217, 61, 0.2);
    color: #ffd93d;
}

.optional-badge {
    background: rgba(74, 144, 217, 0.2);
    color: var(--primary);
}

.claim-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.claim-metrics {
    margin-bottom: 0.75rem;
}

.metric {
    font-size: 0.8rem;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-secondary);
    background: rgba(0, 0, 0, 0.2);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.metric.highlight {
    background: rgba(0, 212, 170, 0.15);
    color: var(--accent);
}

.run-btn {
    width: 100%;
    padding: 0.5rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.run-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.run-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Google Colab Section */
.colab-section {
    padding: 4rem 2rem;
    background: var(--bg-elevated);
}

.colab-container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.colab-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 1rem;
}

.colab-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.colab-icon {
    width: 32px;
    height: 32px;
}

.colab-title h3 {
    margin: 0;
    font-size: 1.1rem;
}

.colab-actions {
    display: flex;
    gap: 0.75rem;
}

.colab-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
}

.colab-btn.primary {
    background: #F9AB00;
    color: #000;
}

.colab-btn.primary:hover {
    background: #FFC107;
    transform: translateY(-1px);
}

.colab-btn.secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}

.colab-btn.secondary:hover {
    border-color: var(--text);
}

.colab-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--border);
}

.colab-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.colab-feature code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    background: rgba(0, 0, 0, 0.3);
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    color: var(--accent);
}

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

.colab-preview {
    position: relative;
    padding: 1.5rem;
    background: rgba(18, 18, 26, 0.8);
}

.notebook-preview {
    opacity: 0.7;
}

.cell {
    margin-bottom: 1rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
}

.cell:last-child {
    margin-bottom: 0;
}

.cell-type {
    padding: 0.4rem 0.75rem;
    background: rgba(0, 0, 0, 0.3);
    font-size: 0.7rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

.cell pre {
    margin: 0;
    padding: 0.75rem;
    font-size: 0.8rem;
    line-height: 1.6;
    overflow-x: auto;
}

.cell code {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text);
}

.preview-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
}

.open-colab-btn {
    padding: 1rem 2rem;
    background: #F9AB00;
    color: #000;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s;
}

.open-colab-btn:hover {
    background: #FFC107;
    transform: scale(1.05);
}

.colab-benchmarks {
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--border);
}

.colab-benchmarks h4 {
    margin: 0 0 0.75rem 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.colab-benchmarks ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.colab-benchmarks li {
    font-size: 0.85rem;
    color: var(--text);
}

.rust-note {
    max-width: 900px;
    margin: 1.5rem auto 0;
    padding: 1rem 1.5rem;
    background: rgba(74, 144, 217, 0.1);
    border: 1px solid rgba(74, 144, 217, 0.2);
    border-radius: var(--radius);
}

.rust-note h4 {
    margin: 0 0 0.5rem 0;
    font-size: 0.95rem;
}

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

.rust-note code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    background: rgba(0, 0, 0, 0.3);
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    color: var(--accent);
}

.rust-note a {
    color: var(--accent);
}

/* PythonAnywhere Section */
.pythonanywhere-section {
    padding: 4rem 2rem;
    background: var(--bg-card);
}

.pythonanywhere-container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.pythonanywhere-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 1rem;
}

.pythonanywhere-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pythonanywhere-icon {
    width: 32px;
    height: 32px;
}

.pythonanywhere-title h3 {
    margin: 0;
    font-size: 1.1rem;
}

.pythonanywhere-actions {
    display: flex;
    gap: 0.75rem;
}

.pythonanywhere-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
}

.pythonanywhere-btn.primary {
    background: #3776ab;
    color: #fff;
}

.pythonanywhere-btn.primary:hover {
    background: #4a8bc2;
    transform: translateY(-1px);
}

.pythonanywhere-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--border);
}

.pythonanywhere-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.pythonanywhere-benchmarks {
    padding: 1.25rem 1.5rem;
}

.pythonanywhere-benchmarks h4 {
    margin: 0 0 0.75rem 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.pythonanywhere-benchmarks ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pythonanywhere-benchmarks li {
    font-size: 0.85rem;
    color: var(--text);
    padding: 0.4rem 0;
    padding-left: 1.25rem;
    position: relative;
}

.pythonanywhere-benchmarks li::before {
    content: ">";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
}

.pythonanywhere-note {
    padding: 1rem 1.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.1);
    margin: 0;
}

/* Benchmark Results */
.benchmark-results {
    padding: 4rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.benchmark-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
}

.benchmark-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.benchmark-card.highlight {
    border-color: rgba(0, 212, 170, 0.3);
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.05) 0%, var(--bg-elevated) 100%);
}

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

.benchmark-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.benchmark-table th,
.benchmark-table td {
    padding: 0.75rem 0.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.benchmark-table th {
    color: var(--text-secondary);
    font-weight: 500;
}

.benchmark-table .result {
    font-family: 'JetBrains Mono', monospace;
}

.benchmark-table .speedup {
    color: var(--accent);
}

.benchmark-table .ratio {
    color: var(--primary);
}

.benchmark-table .status {
    text-align: center;
}

.benchmark-note {
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Code Samples Section */
.code-samples {
    padding: 4rem 2rem;
    background: var(--bg-elevated);
    max-width: 1000px;
    margin: 0 auto;
}

.code-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.code-tab {
    padding: 0.6rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.code-tab:hover {
    color: var(--text);
    border-color: var(--primary);
}

.code-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.code-panel {
    display: none;
}

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

.code-block {
    background: rgba(18, 18, 26, 0.9);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.2);
}

.code-header span {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
}

.copy-btn {
    padding: 0.4rem 0.75rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}

.copy-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.copy-btn.copied {
    background: var(--accent);
    border-color: var(--accent);
    color: #000;
}

.code-block pre {
    padding: 1.5rem;
    margin: 0;
    overflow-x: auto;
    max-height: 500px;
}

.code-block code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    line-height: 1.7;
    color: var(--text);
}

/* Syntax highlighting */
.code-block .kw { color: #c792ea; }
.code-block .st { color: #c3e88d; }
.code-block .nu { color: #f78c6c; }
.code-block .cm { color: #546e7a; }
.code-block .fn { color: #82aaff; }

/* Methodology Section */
.methodology {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.methodology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.method-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

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

.method-card ul {
    list-style: none;
    padding: 0;
}

.method-card li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding: 0.4rem 0;
    padding-left: 1.25rem;
    position: relative;
}

.method-card li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent);
}

.method-card code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    background: rgba(0, 0, 0, 0.3);
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    color: var(--accent);
}

/* FAQ Section */
.faq {
    padding: 4rem 2rem;
    background: var(--bg-elevated);
    max-width: 1000px;
    margin: 0 auto;
}

.faq-grid {
    display: grid;
    gap: 1rem;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: all 0.2s;
}

.faq-item:hover {
    border-color: rgba(74, 144, 217, 0.3);
}

.faq-item h4 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--text);
}

.faq-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.faq-item code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    background: rgba(0, 0, 0, 0.3);
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    color: var(--accent);
}

/* Active nav link */
nav a.active {
    color: var(--accent);
}

/* Responsive */
@media (max-width: 768px) {
    .playground-hero h1 {
        font-size: 2rem;
    }
    
    .claims-grid {
        grid-template-columns: 1fr;
    }
    
    .benchmark-grid {
        grid-template-columns: 1fr;
    }
    
    .scale-selector {
        flex-direction: column;
    }
    
    .language-tabs {
        flex-direction: column;
        align-items: stretch;
    }
    
    .lang-tab {
        text-align: center;
    }
    
    .replit-container iframe {
        height: 400px;
    }
    
    .code-tabs {
        flex-direction: column;
    }
    
    .code-tab {
        text-align: center;
    }
}