:root{--bg-color: #f8fafc;--panel-bg: #ffffff;--text-color: #0f172a;--border-color: #e2e8f0;--primary-color: #2563eb;--primary-hover: #1d4ed8;--danger-color: #ef4444;--danger-hover: #dc2626;--code-bg: #1e293b;--code-text: #f8fafc;--focus-ring: 0 0 0 3px rgba(37, 99, 235, .4);--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 2rem;--border-radius: 8px}@media (prefers-color-scheme: dark){:root{--bg-color: #0f172a;--panel-bg: #1e293b;--text-color: #f8fafc;--border-color: #334155;--primary-color: #3b82f6;--primary-hover: #60a5fa;--code-bg: #000000}}*{box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-color);line-height:1.5;margin:0;padding:0}.container{max-width:1400px;margin:0 auto;padding:0 var(--spacing-md)}.hero{background-color:var(--panel-bg);border-bottom:1px solid var(--border-color);padding:var(--spacing-lg) 0;text-align:center}.hero h1{margin:0 0 var(--spacing-sm);font-size:2.5rem}.hero p{margin:0 0 var(--spacing-lg);font-size:1.2rem;color:#64748b}@media (prefers-color-scheme: dark){.hero p{color:#94a3b8}}.install-commands{display:inline-flex;align-items:center;gap:var(--spacing-sm);background:var(--bg-color);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--border-radius);border:1px solid var(--border-color);margin-bottom:var(--spacing-md)}.install-commands code{font-family:monospace;font-size:1.1rem}.notice{display:inline-block;background-color:#2563eb1a;color:var(--primary-color);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--border-radius);font-size:.9rem}.layout{display:grid;grid-template-columns:350px 1fr;gap:var(--spacing-lg);margin-top:var(--spacing-lg);margin-bottom:var(--spacing-lg);align-items:start}@media (max-width: 900px){.layout{grid-template-columns:1fr}}.sidebar>section{background:var(--panel-bg);border:1px solid 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button[aria-selected=true]{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.tab-panel{margin-bottom:var(--spacing-sm)}.tab-panel[hidden]{display:none}.tab-panel pre{margin:0;background:var(--code-bg);color:var(--code-text);padding:var(--spacing-md);border-radius:0 4px 4px;overflow-x:auto;font-size:.85rem}button{background:var(--primary-color);color:#fff;border:none;padding:.5rem 1rem;border-radius:4px;cursor:pointer;font-size:.9rem;font-family:inherit}button:hover{background:var(--primary-hover)}button:focus-visible{outline:none;box-shadow:var(--focus-ring)}input,select{width:100%;padding:.5rem;border:1px solid var(--border-color);border-radius:4px;background:var(--bg-color);color:var(--text-color);font-family:inherit}input:focus-visible,select:focus-visible{outline:none;box-shadow:var(--focus-ring)}.input-row{display:flex;gap:var(--spacing-sm)}.input-row input{flex:1}.playground-section{background:var(--panel-bg);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:var(--spacing-lg);margin-bottom:var(--spacing-lg)}.playground-section h2{margin-top:0;border-bottom:1px solid var(--border-color);padding-bottom:var(--spacing-sm)}.controls-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-md);margin-bottom:var(--spacing-md)}.control-group label{display:block;font-size:.9rem;font-weight:700;margin-bottom:.25rem}.preset-buttons{display:flex;flex-wrap:wrap;gap:var(--spacing-sm)}.preset-buttons button{background:var(--bg-color);color:var(--text-color);border:1px solid var(--border-color)}.preset-buttons button:hover{border-color:var(--primary-color)}.help-text{font-size:.85rem;color:#64748b;margin-top:.25rem}@media (prefers-color-scheme: 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