:root{--bg: #ffffff;--bg-elev: #f7f7f8;--bg-elev-2: #f0f0f2;--border: #e5e5e5;--border-strong: #d4d4d8;--text: #0a0a0a;--text-dim: #6b7280;--text-muted: #9ca3af;--primary: #0a0a0a;--primary-hover: #262626;--success: #16a34a;--warn: #6b7280;--error: #dc2626;--info: #4b5563;--shadow-sm: 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 2px 8px rgba(0,0,0,.06);--shadow-lg: 0 8px 24px rgba(0,0,0,.08);--radius: 10px;--radius-sm: 6px;--transition: .16s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--text);text-decoration:none}a:hover{color:var(--primary-hover)}h1,h2,h3{margin:0 0 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