:root{--bg: #f5f6f8;--surface: #ffffff;--surface-2: #f8fafc;--border: #e6e8ec;--border-strong: #d4d9e0;--text: #1d2330;--text-muted: #6b7280;--primary: #4f46e5;--primary-hover: #4338ca;--primary-weak: #eef2ff;--danger: #dc2626;--danger-weak: #fef2f2;--success: #15803d;--success-weak: #ecfdf3;--radius: 10px;--radius-sm: 7px;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .07);--shadow-md: 0 6px 18px rgba(16, 24, 40, .1);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--font);font-size:14px;line-height:1.5;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}h1,h2,h3,h4{margin:0 0 .5rem;font-weight:650;letter-spacing:-.01em}h1{font-size:1.55rem}h2{font-size:1.25rem}h3{font-size:1.05rem}p{margin:0 0 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