:root{--bg: #f4f5fa;--surface: #ffffff;--surface-2: #f8f9fc;--border: #e4e7ef;--border-strong: #d4d8e3;--text: #1c2030;--text-muted: #6b7180;--primary: #4f46e5;--primary-dark: #4338ca;--primary-soft: #eef0fe;--danger: #e2483d;--danger-soft: #fdecea;--success: #138a5e;--shadow-sm: 0 1px 2px rgba(20, 24, 40, .06);--shadow-md: 0 8px 24px rgba(20, 24, 40, .08);--shadow-lg: 0 20px 50px rgba(20, 24, 40, .18);--radius: 12px;--radius-sm: 8px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.5}h1,h2,h3{margin:0;font-weight:650;letter-spacing:-.01em}h1{font-size:24px}a{color:inherit;text-decoration:none}.muted{color:var(--text-muted)}.small{font-size:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid 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