:root{--bg:#F8FAFC;--surface:#FFFFFF;--surface-raised:#FFFFFF;--border:#E2E8F0;--border-light:#F1F5F9;--primary:#4F46E5;--primary-hover:#4338CA;--primary-light:#EEF2FF;--primary-muted:#C7D2FE;--primary-text:#4338CA;--text:#0F172A;--text-secondary:#475569;--text-muted:#64748B;--text-faint:#94A3B8;--success-bg:#F0FDF4;--success-border:#BBF7D0;--success-text:#15803D;--warn-bg:#FFFBEB;--warn-border:#FDE68A;--warn-text:#B45309;--danger-bg:#FEF2F2;--danger-border:#FECACA;--danger-text:#B91C1C;--info-bg:#EFF6FF;--info-border:#BFDBFE;--info-text:#1D4ED8;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--r-sm:6px;--r-md:8px;--r-lg:12px;--r-xl:16px;--r-full:9999px;--shadow-xs:0 1px 2px rgba(0,0,0,0.05);--shadow-sm:0 1px 3px rgba(0,0,0,0.08),0 1px 2px rgba(0,0,0,0.04);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.07),0 2px 4px -2px rgba(0,0,0,0.04);--shadow-lg:0 10px 20px -3px rgba(0,0,0,0.08),0 4px 6px -4px rgba(0,0,0,0.04);--sidebar-w:248px;--topbar-h:60px;color-scheme:light}*,:after,:before{box-sizing:border-box}body,html{height:100%;margin:0}body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.5}button,input,select,textarea{font:inherit}a{color:inherit}:focus-visible{outline:2px solid var(--primary);outline-offset:2px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-faint)}