:root{--color-primary:#2563eb;--color-primary-dark:#1d4ed8;--color-secondary:#1e3a5f;--color-accent:#10b981;--color-danger:#ef4444;--color-warning:#f59e0b;--color-bg:#f1f5f9;--color-surface:#fff;--color-border:#e2e8f0;--color-text:#1e293b;--color-text-muted:#64748b;--border-radius:8px;--border-radius-sm:4px;--font-family:"Inter", Arial, sans-serif;--font-size-base:16px;--sidebar-width:240px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);font-size:var(--font-size-base);background:var(--color-bg);color:var(--color-text);line-height:1.5}a{color:var(--color-primary);text-decoration:none}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit;font-size:inherit}@media (width<=768px){.mobile-topbar{display:flex!important}main{margin-left:0!important;padding:16px!important}}@media (width<=600px){.stats-row{grid-template-columns:1fr!important}}