:root{--bg: #eef2f9;--surface: #ffffff;--surface-2: #f1f4fa;--border: #e2e6ef;--text: #1f2430;--text-dim: #6b7280;--primary: #1488a8;--primary-dim: #0f6e8a;--green: #16a34a;--red: #ef4444;--amber: #d97706;--radius: 12px;--shadow: 0 1px 3px rgba(15, 23, 42, .08)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:linear-gradient(160deg,#fafbfe,#eaeff8 55%,#e4ebf6);background-attachment:fixed;color:var(--text);font-size:14px}a{color:var(--primary);text-decoration:none}.app-shell{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--surface);border-right:1px solid var(--border);padding:20px 12px;display:flex;flex-direction:column;gap:4px}.sidebar .brand{padding:6px 12px 20px;display:flex;align-items:center}.sidebar .brand-logo{max-width:150px;width:100%;height:auto;display:block}.nav-link{display:block;padding:11px 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