:root{--bg:#f0f5ff;--card:#fff;--primary:#2d60ff;--primary-light:#ebf0ff;--primary-hover:#1d4ed8;--text:#1a1d29;--text-secondary:#6b7280;--border:#e5e7eb;--success:#10b981;--success-bg:#ecfdf5;--error:#ef4444;--error-bg:#fef2f2;--warning:#f59e0b;--warning-bg:#fffbeb;--shadow:0 2px 8px #0000000f;--shadow-lg:0 4px 16px #00000014;--radius:12px;--radius-sm:8px;--sans:"Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--mono:"JetBrains Mono", ui-monospace, Consolas, monospace;font:15px/1.6 var(--sans);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0}#root{min-height:100vh}h1,h2,h3,h4{font-family:var(--sans);color:var(--text);margin:0;font-weight:600}h2{font-size:22px}h3{font-size:17px}h4{font-size:15px}p{color:var(--text-secondary);margin:0}code{font-family:var(--mono);background:var(--primary-light);color:var(--primary);border-radius:4px;padding:2px 6px;font-size:13px}button,input,textarea{font-family:var(--sans)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}*{scrollbar-width:thin;scrollbar-color:var(--border) var(--bg)}