*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--sidebar-width:220px;--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-danger:#dc2626;--color-success:#16a34a;--color-bg:#f1f5f9;--color-sidebar-bg:#1e293b;--color-sidebar-text:#cbd5e1;--color-sidebar-active:#2563eb;--color-card-bg:#fff;--color-border:#e2e8f0;--color-text:#0f172a;--color-text-muted:#64748b;--radius:8px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--color-bg);color:var(--color-text);font-size:14px;line-height:1.5}a{color:inherit;text-decoration:none}button{cursor:pointer}button,input,select,textarea{font-family:inherit;font-size:14px}table{border-collapse:collapse;width:100%}td,th{text-align:left;padding:10px 12px;border-bottom:1px solid var(--color-border)}th{font-weight:600;color:var(--color-text-muted);font-size:12px;text-transform:uppercase;letter-spacing:.05em;background:var(--color-bg)}