:root{--bg:#f4f7f6;--surface:#fff;--border:#d8e3e0;--text:#0f2923;--text-muted:#53736b;--accent:#18453b;--rail-bg:#1b4b3d;--rail-active-bg:#2c6b5e;--rail-amber:#d97706}*{box-sizing:border-box}body,html{padding:0;margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}a{color:inherit}.app-shell{display:flex;flex:1 1;min-height:0}.app-sidebar{width:220px;flex-shrink:0;display:flex;flex-direction:column;gap:24px}.app-main{flex:1 1;min-width:0;overflow-x:auto}@media (max-width:720px){.app-shell{flex-direction:column}.app-sidebar{width:100%;flex-direction:row;flex-wrap:wrap;gap:12px}.app-sidebar nav{flex-direction:row!important;flex-wrap:wrap}}.app-main table{min-width:640px}