:root{--bg:#fff;--surface:#f8f9fa;--border:#dadce0;--primary:#1a73e8;--primary-hover:#1765cc;--primary-tint:#e8f0fe;--text:#202124;--text-2:#5f6368;--danger:#d93025;--green:#188038;--green-tint:#e6f4ea;--amber:#b06000;--amber-tint:#fef7e0;--gray-tint:#f1f3f4;--shadow:0 1px 2px #3c40431a;--font:system-ui, -apple-system, "Segoe UI", Roboto, Inter, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--text);font:15px/1.5 var(--font);-webkit-font-smoothing:antialiased}h1,h2,p{margin:0}h2{margin-bottom:12px;font-size:18px;font-weight:500}a{color:var(--primary)}:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.muted{color:var(--text-2)}.small{font-size:13px}.strong{color:var(--text);font-weight:600}.error{color:var(--danger);min-height:20px;margin:4px 0 12px;font-size:13px}.container{gap:24px;max-width:960px;margin:0 auto;padding:24px 16px 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