:root{--bg: #F5F7FA;--surface: #FFFFFF;--border: #E5E7EB;--text: #0F172A;--muted: #64748B;--brand: #22D383;--brand-dark: #0EA968;--brand-soft: #D1F4E4;--danger: #DC2626;--warn: #F59E0B;--info: #2563EB;--radius: 12px;--radius-sm: 8px}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Inter,system-ui,sans-serif;color:var(--text);background:var(--bg)}a{color:inherit;text-decoration:none}button{cursor:pointer;font:inherit}input,textarea{font:inherit}h1,h2,h3,h4{margin:0;letter-spacing:-.3px}.app{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--surface);border-right:1px solid var(--border);padding:20px 14px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;padding:0 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