:root{--background:#f6f8fb;--surface:#fff;--surface-muted:#eef3f8;--text:#172033;--text-muted:#667085;--border:#d9e2ec;--accent:#0f766e;--accent-strong:#0b5f59;--danger:#b42318;--shadow:0 8px 24px #17203314}*{box-sizing:border-box}html,body{background:var(--background);min-height:100%;color:var(--text);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.appShell{grid-template-columns:264px minmax(0,1fr);min-height:100vh;display:grid}.sidebar{border-right:1px solid var(--border);background:#fff;height:100vh;padding:24px 18px;position:sticky;top:0}.brand{border-bottom:1px solid var(--border);flex-direction:column;gap:4px;padding:0 8px 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