*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary:#1a56db;--color-primary-hover:#1346c8;--color-danger:#e02020;--color-danger-hover:#c81a1a;--color-text:#111827;--color-text-secondary:#6b7280;--color-border:#e0e0e0;--color-bg:#f5f5f5;--color-surface:#fff;--color-success:#16a34a;--color-success-bg:#dcfce7;--color-neutral-bg:#f3f4f6;--radius:8px;--shadow:0 1px 4px #0000001a, 0 2px 8px #0000000f;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}body{font-family:var(--font);background:var(--color-bg);color:var(--color-text);font-size:14px;line-height:1.5}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:var(--font);font-size:14px}input,textarea,select{font-family:var(--font);font-size:14px}