:root{--color-bg:#ffffff;--color-fg:#111827;--color-muted:#6b7280;--color-border:#e5e7eb;--color-primary:#2563eb;--color-primary-fg:#ffffff;--color-surface:#f9fafb;--admin-sidebar-width:240px;--admin-header-height:60px;--font-sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body,html{padding:0;margin:0}body{color:var(--color-fg);background:var(--color-bg);font-family:var(--font-sans);line-height:1.5}a{color:inherit}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}.container{width:100%;max-width:1120px;margin-inline:auto;padding-inline:1.5rem}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}